diff options
Diffstat (limited to 'core/java/android/webkit/WebViewClassic.java')
| -rw-r--r-- | core/java/android/webkit/WebViewClassic.java | 8766 |
1 files changed, 0 insertions, 8766 deletions
diff --git a/core/java/android/webkit/WebViewClassic.java b/core/java/android/webkit/WebViewClassic.java deleted file mode 100644 index a324502f4471..000000000000 --- a/core/java/android/webkit/WebViewClassic.java +++ /dev/null @@ -1,8766 +0,0 @@ -/* - * Copyright (C) 2012 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.webkit; - -import android.accessibilityservice.AccessibilityServiceInfo; -import android.animation.ObjectAnimator; -import android.annotation.Widget; -import android.app.ActivityManager; -import android.app.AlertDialog; -import android.content.BroadcastReceiver; -import android.content.ClipData; -import android.content.ClipboardManager; -import android.content.ComponentCallbacks2; -import android.content.Context; -import android.content.DialogInterface; -import android.content.Intent; -import android.content.IntentFilter; -import android.content.pm.PackageManager; -import android.content.res.Configuration; -import android.database.DataSetObserver; -import android.graphics.Bitmap; -import android.graphics.BitmapFactory; -import android.graphics.BitmapShader; -import android.graphics.Canvas; -import android.graphics.Color; -import android.graphics.ColorFilter; -import android.graphics.DrawFilter; -import android.graphics.Paint; -import android.graphics.PaintFlagsDrawFilter; -import android.graphics.Picture; -import android.graphics.Point; -import android.graphics.PointF; -import android.graphics.Rect; -import android.graphics.RectF; -import android.graphics.Region; -import android.graphics.RegionIterator; -import android.graphics.Shader; -import android.graphics.drawable.Drawable; -import android.net.Proxy; -import android.net.ProxyProperties; -import android.net.Uri; -import android.net.http.SslCertificate; -import android.os.AsyncTask; -import android.os.Build; -import android.os.Bundle; -import android.os.Handler; -import android.os.Looper; -import android.os.Message; -import android.os.SystemClock; -import android.security.KeyChain; -import android.text.Editable; -import android.text.InputType; -import android.text.Selection; -import android.text.TextUtils; -import android.util.DisplayMetrics; -import android.util.EventLog; -import android.util.Log; -import android.view.Gravity; -import android.view.HapticFeedbackConstants; -import android.view.HardwareCanvas; -import android.view.InputDevice; -import android.view.KeyCharacterMap; -import android.view.KeyEvent; -import android.view.LayoutInflater; -import android.view.MotionEvent; -import android.view.ScaleGestureDetector; -import android.view.SoundEffectConstants; -import android.view.VelocityTracker; -import android.view.View; -import android.view.View.MeasureSpec; -import android.view.ViewConfiguration; -import android.view.ViewGroup; -import android.view.ViewParent; -import android.view.ViewRootImpl; -import android.view.accessibility.AccessibilityEvent; -import android.view.accessibility.AccessibilityManager; -import android.view.accessibility.AccessibilityNodeInfo; -import android.view.inputmethod.BaseInputConnection; -import android.view.inputmethod.EditorInfo; -import android.view.inputmethod.InputConnection; -import android.view.inputmethod.InputMethodManager; -import android.webkit.WebView.HitTestResult; -import android.webkit.WebView.PictureListener; -import android.webkit.WebViewCore.DrawData; -import android.webkit.WebViewCore.EventHub; -import android.webkit.WebViewCore.TextFieldInitData; -import android.webkit.WebViewCore.TextSelectionData; -import android.webkit.WebViewCore.WebKitHitTest; -import android.widget.AbsoluteLayout; -import android.widget.Adapter; -import android.widget.AdapterView; -import android.widget.AdapterView.OnItemClickListener; -import android.widget.ArrayAdapter; -import android.widget.CheckedTextView; -import android.widget.LinearLayout; -import android.widget.ListView; -import android.widget.OverScroller; -import android.widget.PopupWindow; -import android.widget.Scroller; -import android.widget.TextView; -import android.widget.Toast; - -import junit.framework.Assert; - -import java.io.BufferedWriter; -import java.io.ByteArrayOutputStream; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; -import java.net.URLDecoder; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.HashSet; -import java.util.List; -import java.util.Locale; -import java.util.Map; -import java.util.Set; -import java.util.Vector; - -/** - * Implements a backend provider for the {@link WebView} public API. - * @hide - */ -// TODO: Check if any WebView published API methods are called from within here, and if so -// we should bounce the call out via the proxy to enable any sub-class to override it. -@Widget -@SuppressWarnings("deprecation") -public final class WebViewClassic implements WebViewProvider, WebViewProvider.ScrollDelegate, - WebViewProvider.ViewDelegate { - /** - * InputConnection used for ContentEditable. This captures changes - * to the text and sends them either as key strokes or text changes. - */ - class WebViewInputConnection extends BaseInputConnection { - // Used for mapping characters to keys typed. - private KeyCharacterMap mKeyCharacterMap; - private boolean mIsKeySentByMe; - private int mInputType; - private int mImeOptions; - private String mHint; - private int mMaxLength; - private boolean mIsAutoFillable; - private boolean mIsAutoCompleteEnabled; - private String mName; - private int mBatchLevel; - - public WebViewInputConnection() { - super(mWebView, true); - } - - public void setAutoFillable(int queryId) { - mIsAutoFillable = getSettings().getAutoFillEnabled() - && (queryId != WebTextView.FORM_NOT_AUTOFILLABLE); - int variation = mInputType & EditorInfo.TYPE_MASK_VARIATION; - if (variation != EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD - && (mIsAutoFillable || mIsAutoCompleteEnabled)) { - if (mName != null && mName.length() > 0) { - requestFormData(mName, mFieldPointer, mIsAutoFillable, - mIsAutoCompleteEnabled); - } - } - } - - @Override - public boolean beginBatchEdit() { - if (mBatchLevel == 0) { - beginTextBatch(); - } - mBatchLevel++; - return false; - } - - @Override - public boolean endBatchEdit() { - mBatchLevel--; - if (mBatchLevel == 0) { - commitTextBatch(); - } - return false; - } - - public boolean getIsAutoFillable() { - return mIsAutoFillable; - } - - @Override - public boolean sendKeyEvent(KeyEvent event) { - // Some IMEs send key events directly using sendKeyEvents. - // WebViewInputConnection should treat these as text changes. - if (!mIsKeySentByMe) { - if (event.getAction() == KeyEvent.ACTION_UP) { - if (event.getKeyCode() == KeyEvent.KEYCODE_DEL) { - return deleteSurroundingText(1, 0); - } else if (event.getKeyCode() == KeyEvent.KEYCODE_FORWARD_DEL) { - return deleteSurroundingText(0, 1); - } else if (event.getUnicodeChar() != 0){ - String newComposingText = - Character.toString((char)event.getUnicodeChar()); - return commitText(newComposingText, 1); - } - } else if (event.getAction() == KeyEvent.ACTION_DOWN && - (event.getKeyCode() == KeyEvent.KEYCODE_DEL - || event.getKeyCode() == KeyEvent.KEYCODE_FORWARD_DEL - || event.getUnicodeChar() != 0)) { - return true; // only act on action_down - } - } - return super.sendKeyEvent(event); - } - - public void setTextAndKeepSelection(CharSequence text) { - Editable editable = getEditable(); - int selectionStart = Selection.getSelectionStart(editable); - int selectionEnd = Selection.getSelectionEnd(editable); - text = limitReplaceTextByMaxLength(text, editable.length()); - editable.replace(0, editable.length(), text); - restartInput(); - // Keep the previous selection. - selectionStart = Math.min(selectionStart, editable.length()); - selectionEnd = Math.min(selectionEnd, editable.length()); - setSelection(selectionStart, selectionEnd); - finishComposingText(); - } - - public void replaceSelection(CharSequence text) { - Editable editable = getEditable(); - int selectionStart = Selection.getSelectionStart(editable); - int selectionEnd = Selection.getSelectionEnd(editable); - text = limitReplaceTextByMaxLength(text, selectionEnd - selectionStart); - setNewText(selectionStart, selectionEnd, text); - editable.replace(selectionStart, selectionEnd, text); - restartInput(); - // Move caret to the end of the new text - int newCaret = selectionStart + text.length(); - setSelection(newCaret, newCaret); - } - - @Override - public boolean setComposingText(CharSequence text, int newCursorPosition) { - Editable editable = getEditable(); - int start = getComposingSpanStart(editable); - int end = getComposingSpanEnd(editable); - if (start < 0 || end < 0) { - start = Selection.getSelectionStart(editable); - end = Selection.getSelectionEnd(editable); - } - if (end < start) { - int temp = end; - end = start; - start = temp; - } - CharSequence limitedText = limitReplaceTextByMaxLength(text, end - start); - setNewText(start, end, limitedText); - if (limitedText != text) { - newCursorPosition -= text.length() - limitedText.length(); - } - super.setComposingText(limitedText, newCursorPosition); - updateSelection(); - if (limitedText != text) { - int lastCaret = start + limitedText.length(); - finishComposingText(); - setSelection(lastCaret, lastCaret); - } - return true; - } - - @Override - public boolean commitText(CharSequence text, int newCursorPosition) { - setComposingText(text, newCursorPosition); - finishComposingText(); - return true; - } - - @Override - public boolean deleteSurroundingText(int leftLength, int rightLength) { - // This code is from BaseInputConnection#deleteSurroundText. - // We have to delete the same text in webkit. - Editable content = getEditable(); - int a = Selection.getSelectionStart(content); - int b = Selection.getSelectionEnd(content); - - if (a > b) { - int tmp = a; - a = b; - b = tmp; - } - - int ca = getComposingSpanStart(content); - int cb = getComposingSpanEnd(content); - if (cb < ca) { - int tmp = ca; - ca = cb; - cb = tmp; - } - if (ca != -1 && cb != -1) { - if (ca < a) a = ca; - if (cb > b) b = cb; - } - - int endDelete = Math.min(content.length(), b + rightLength); - if (endDelete > b) { - setNewText(b, endDelete, ""); - } - int startDelete = Math.max(0, a - leftLength); - if (startDelete < a) { - setNewText(startDelete, a, ""); - } - return super.deleteSurroundingText(leftLength, rightLength); - } - - @Override - public boolean performEditorAction(int editorAction) { - - boolean handled = true; - switch (editorAction) { - case EditorInfo.IME_ACTION_NEXT: - mWebView.requestFocus(View.FOCUS_FORWARD); - break; - case EditorInfo.IME_ACTION_PREVIOUS: - mWebView.requestFocus(View.FOCUS_BACKWARD); - break; - case EditorInfo.IME_ACTION_DONE: - WebViewClassic.this.hideSoftKeyboard(); - break; - case EditorInfo.IME_ACTION_GO: - case EditorInfo.IME_ACTION_SEARCH: - WebViewClassic.this.hideSoftKeyboard(); - String text = getEditable().toString(); - passToJavaScript(text, new KeyEvent(KeyEvent.ACTION_DOWN, - KeyEvent.KEYCODE_ENTER)); - passToJavaScript(text, new KeyEvent(KeyEvent.ACTION_UP, - KeyEvent.KEYCODE_ENTER)); - break; - - default: - handled = super.performEditorAction(editorAction); - break; - } - - return handled; - } - - public void initEditorInfo(WebViewCore.TextFieldInitData initData) { - int type = initData.mType; - int inputType = InputType.TYPE_CLASS_TEXT - | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT; - int imeOptions = EditorInfo.IME_FLAG_NO_EXTRACT_UI - | EditorInfo.IME_FLAG_NO_FULLSCREEN; - if (!initData.mIsSpellCheckEnabled) { - inputType |= InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS; - } - if (WebTextView.TEXT_AREA != type) { - if (initData.mIsTextFieldNext) { - imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_NEXT; - } - if (initData.mIsTextFieldPrev) { - imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS; - } - } - int action = EditorInfo.IME_ACTION_GO; - switch (type) { - case WebTextView.NORMAL_TEXT_FIELD: - break; - case WebTextView.TEXT_AREA: - inputType |= InputType.TYPE_TEXT_FLAG_MULTI_LINE - | InputType.TYPE_TEXT_FLAG_CAP_SENTENCES - | InputType.TYPE_TEXT_FLAG_AUTO_CORRECT; - action = EditorInfo.IME_ACTION_NONE; - break; - case WebTextView.PASSWORD: - inputType |= EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD; - break; - case WebTextView.SEARCH: - action = EditorInfo.IME_ACTION_SEARCH; - break; - case WebTextView.EMAIL: - // inputType needs to be overwritten because of the different text variation. - inputType = InputType.TYPE_CLASS_TEXT - | InputType.TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS; - break; - case WebTextView.NUMBER: - // inputType needs to be overwritten because of the different class. - inputType = InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_VARIATION_NORMAL - | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL; - // Number and telephone do not have both a Tab key and an - // action, so set the action to NEXT - break; - case WebTextView.TELEPHONE: - // inputType needs to be overwritten because of the different class. - inputType = InputType.TYPE_CLASS_PHONE; - break; - case WebTextView.URL: - // TYPE_TEXT_VARIATION_URI prevents Tab key from showing, so - // exclude it for now. - inputType |= InputType.TYPE_TEXT_VARIATION_URI; - break; - default: - break; - } - imeOptions |= action; - mHint = initData.mLabel; - mInputType = inputType; - mImeOptions = imeOptions; - mMaxLength = initData.mMaxLength; - mIsAutoCompleteEnabled = initData.mIsAutoCompleteEnabled; - mName = initData.mName; - mAutoCompletePopup.clearAdapter(); - } - - public void setupEditorInfo(EditorInfo outAttrs) { - outAttrs.inputType = mInputType; - outAttrs.imeOptions = mImeOptions; - outAttrs.hintText = mHint; - outAttrs.initialCapsMode = getCursorCapsMode(InputType.TYPE_CLASS_TEXT); - - Editable editable = getEditable(); - int selectionStart = Selection.getSelectionStart(editable); - int selectionEnd = Selection.getSelectionEnd(editable); - if (selectionStart < 0 || selectionEnd < 0) { - selectionStart = editable.length(); - selectionEnd = selectionStart; - } - outAttrs.initialSelStart = selectionStart; - outAttrs.initialSelEnd = selectionEnd; - } - - @Override - public boolean setSelection(int start, int end) { - boolean result = super.setSelection(start, end); - updateSelection(); - return result; - } - - @Override - public boolean setComposingRegion(int start, int end) { - boolean result = super.setComposingRegion(start, end); - updateSelection(); - return result; - } - - /** - * Send the selection and composing spans to the IME. - */ - private void updateSelection() { - Editable editable = getEditable(); - int selectionStart = Selection.getSelectionStart(editable); - int selectionEnd = Selection.getSelectionEnd(editable); - int composingStart = getComposingSpanStart(editable); - int composingEnd = getComposingSpanEnd(editable); - InputMethodManager imm = InputMethodManager.peekInstance(); - if (imm != null) { - imm.updateSelection(mWebView, selectionStart, selectionEnd, - composingStart, composingEnd); - } - } - - /** - * Sends a text change to webkit indirectly. If it is a single- - * character add or delete, it sends it as a key stroke. If it cannot - * be represented as a key stroke, it sends it as a field change. - * @param start The start offset (inclusive) of the text being changed. - * @param end The end offset (exclusive) of the text being changed. - * @param text The new text to replace the changed text. - */ - private void setNewText(int start, int end, CharSequence text) { - mIsKeySentByMe = true; - Editable editable = getEditable(); - CharSequence original = editable.subSequence(start, end); - boolean isCharacterAdd = false; - boolean isCharacterDelete = false; - int textLength = text.length(); - int originalLength = original.length(); - int selectionStart = Selection.getSelectionStart(editable); - int selectionEnd = Selection.getSelectionEnd(editable); - if (selectionStart == selectionEnd) { - if (textLength > originalLength) { - isCharacterAdd = (textLength == originalLength + 1) - && TextUtils.regionMatches(text, 0, original, 0, - originalLength); - } else if (originalLength > textLength) { - isCharacterDelete = (textLength == originalLength - 1) - && TextUtils.regionMatches(text, 0, original, 0, - textLength); - } - } - if (isCharacterAdd) { - sendCharacter(text.charAt(textLength - 1)); - } else if (isCharacterDelete) { - sendKey(KeyEvent.KEYCODE_DEL); - } else if ((textLength != originalLength) || - !TextUtils.regionMatches(text, 0, original, 0, - textLength)) { - // Send a message so that key strokes and text replacement - // do not come out of order. - Message replaceMessage = mPrivateHandler.obtainMessage( - REPLACE_TEXT, start, end, text.toString()); - mPrivateHandler.sendMessage(replaceMessage); - } - if (mAutoCompletePopup != null) { - StringBuilder newText = new StringBuilder(); - newText.append(editable.subSequence(0, start)); - newText.append(text); - newText.append(editable.subSequence(end, editable.length())); - mAutoCompletePopup.setText(newText.toString()); - } - mIsKeySentByMe = false; - } - - /** - * Send a single character to the WebView as a key down and up event. - * @param c The character to be sent. - */ - private void sendCharacter(char c) { - if (mKeyCharacterMap == null) { - mKeyCharacterMap = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD); - } - char[] chars = new char[1]; - chars[0] = c; - KeyEvent[] events = mKeyCharacterMap.getEvents(chars); - if (events != null) { - for (KeyEvent event : events) { - sendKeyEvent(event); - } - } else { - Message msg = mPrivateHandler.obtainMessage(KEY_PRESS, (int) c, 0); - mPrivateHandler.sendMessage(msg); - } - } - - /** - * Send a key event for a specific key code, not a standard - * unicode character. - * @param keyCode The key code to send. - */ - private void sendKey(int keyCode) { - long eventTime = SystemClock.uptimeMillis(); - sendKeyEvent(new KeyEvent(eventTime, eventTime, - KeyEvent.ACTION_DOWN, keyCode, 0, 0, - KeyCharacterMap.VIRTUAL_KEYBOARD, 0, - KeyEvent.FLAG_SOFT_KEYBOARD)); - sendKeyEvent(new KeyEvent(SystemClock.uptimeMillis(), eventTime, - KeyEvent.ACTION_UP, keyCode, 0, 0, - KeyCharacterMap.VIRTUAL_KEYBOARD, 0, - KeyEvent.FLAG_SOFT_KEYBOARD)); - } - - private CharSequence limitReplaceTextByMaxLength(CharSequence text, - int numReplaced) { - if (mMaxLength > 0) { - Editable editable = getEditable(); - int maxReplace = mMaxLength - editable.length() + numReplaced; - if (maxReplace < text.length()) { - maxReplace = Math.max(maxReplace, 0); - // New length is greater than the maximum. trim it down. - text = text.subSequence(0, maxReplace); - } - } - return text; - } - - private void restartInput() { - InputMethodManager imm = InputMethodManager.peekInstance(); - if (imm != null) { - // Since the text has changed, do not allow the IME to replace the - // existing text as though it were a completion. - imm.restartInput(mWebView); - } - } - } - - private class PastePopupWindow extends PopupWindow implements View.OnClickListener { - private ViewGroup mContentView; - private TextView mPasteTextView; - - public PastePopupWindow() { - super(mContext, null, - com.android.internal.R.attr.textSelectHandleWindowStyle); - setClippingEnabled(true); - LinearLayout linearLayout = new LinearLayout(mContext); - linearLayout.setOrientation(LinearLayout.HORIZONTAL); - mContentView = linearLayout; - mContentView.setBackgroundResource( - com.android.internal.R.drawable.text_edit_paste_window); - - LayoutInflater inflater = (LayoutInflater)mContext. - getSystemService(Context.LAYOUT_INFLATER_SERVICE); - - ViewGroup.LayoutParams wrapContent = new ViewGroup.LayoutParams( - ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); - - mPasteTextView = (TextView) inflater.inflate( - com.android.internal.R.layout.text_edit_action_popup_text, null); - mPasteTextView.setLayoutParams(wrapContent); - mContentView.addView(mPasteTextView); - mPasteTextView.setText(com.android.internal.R.string.paste); - mPasteTextView.setOnClickListener(this); - this.setContentView(mContentView); - } - - public void show(Point cursorBottom, Point cursorTop, - int windowLeft, int windowTop) { - measureContent(); - - int width = mContentView.getMeasuredWidth(); - int height = mContentView.getMeasuredHeight(); - int y = cursorTop.y - height; - int x = cursorTop.x - (width / 2); - if (y < windowTop) { - // There's not enough room vertically, move it below the - // handle. - ensureSelectionHandles(); - y = cursorBottom.y + mSelectHandleCenter.getIntrinsicHeight(); - x = cursorBottom.x - (width / 2); - } - if (x < windowLeft) { - x = windowLeft; - } - if (!isShowing()) { - showAtLocation(mWebView, Gravity.NO_GRAVITY, x, y); - } - update(x, y, width, height); - } - - public void hide() { - dismiss(); - } - - @Override - public void onClick(View view) { - pasteFromClipboard(); - selectionDone(); - } - - protected void measureContent() { - final DisplayMetrics displayMetrics = mContext.getResources().getDisplayMetrics(); - mContentView.measure( - View.MeasureSpec.makeMeasureSpec(displayMetrics.widthPixels, - View.MeasureSpec.AT_MOST), - View.MeasureSpec.makeMeasureSpec(displayMetrics.heightPixels, - View.MeasureSpec.AT_MOST)); - } - } - - // if AUTO_REDRAW_HACK is true, then the CALL key will toggle redrawing - // the screen all-the-time. Good for profiling our drawing code - static private final boolean AUTO_REDRAW_HACK = false; - - // The rate at which edit text is scrolled in content pixels per millisecond - static private final float TEXT_SCROLL_RATE = 0.01f; - - // The presumed scroll rate for the first scroll of edit text - static private final long TEXT_SCROLL_FIRST_SCROLL_MS = 16; - - // Buffer pixels of the caret rectangle when moving edit text into view - // after resize. - static private final int EDIT_RECT_BUFFER = 10; - - static private final long SELECTION_HANDLE_ANIMATION_MS = 150; - - // true means redraw the screen all-the-time. Only with AUTO_REDRAW_HACK - private boolean mAutoRedraw; - - // Reference to the AlertDialog displayed by InvokeListBox. - // It's used to dismiss the dialog in destroy if not done before. - private AlertDialog mListBoxDialog = null; - - // Reference to the save password dialog so it can be dimissed in - // destroy if not done before. - private AlertDialog mSavePasswordDialog = null; - - static final String LOGTAG = "webview"; - - private ZoomManager mZoomManager; - - private final Rect mInvScreenRect = new Rect(); - private final Rect mScreenRect = new Rect(); - private final RectF mVisibleContentRect = new RectF(); - private boolean mIsWebViewVisible = true; - WebViewInputConnection mInputConnection = null; - private int mFieldPointer; - private PastePopupWindow mPasteWindow; - private AutoCompletePopup mAutoCompletePopup; - Rect mEditTextContentBounds = new Rect(); - Rect mEditTextContent = new Rect(); - int mEditTextLayerId; - boolean mIsEditingText = false; - ArrayList<Message> mBatchedTextChanges = new ArrayList<Message>(); - boolean mIsBatchingTextChanges = false; - private long mLastEditScroll = 0; - - private static class OnTrimMemoryListener implements ComponentCallbacks2 { - private static OnTrimMemoryListener sInstance = null; - - static void init(Context c) { - if (sInstance == null) { - sInstance = new OnTrimMemoryListener(c.getApplicationContext()); - } - } - - private OnTrimMemoryListener(Context c) { - c.registerComponentCallbacks(this); - } - - @Override - public void onConfigurationChanged(Configuration newConfig) { - // Ignore - } - - @Override - public void onLowMemory() { - // Ignore - } - - @Override - public void onTrimMemory(int level) { - if (DebugFlags.WEB_VIEW) { - Log.d("WebView", "onTrimMemory: " + level); - } - // When framework reset EGL context during high memory pressure, all - // the existing GL resources for the html5 video will be destroyed - // at native side. - // Here we just need to clean up the Surface Texture which is static. - if (level > TRIM_MEMORY_UI_HIDDEN) { - HTML5VideoInline.cleanupSurfaceTexture(); - HTML5VideoView.release(); - } - WebViewClassic.nativeOnTrimMemory(level); - } - } - - // A final CallbackProxy shared by WebViewCore and BrowserFrame. - private CallbackProxy mCallbackProxy; - - private WebViewDatabaseClassic mDatabase; - - // SSL certificate for the main top-level page (if secure) - private SslCertificate mCertificate; - - // Native WebView pointer that is 0 until the native object has been - // created. - private int mNativeClass; - // This would be final but it needs to be set to null when the WebView is - // destroyed. - private WebViewCore mWebViewCore; - // Handler for dispatching UI messages. - /* package */ final Handler mPrivateHandler = new PrivateHandler(); - // Used to ignore changes to webkit text that arrives to the UI side after - // more key events. - private int mTextGeneration; - - /* package */ void incrementTextGeneration() { mTextGeneration++; } - - // Used by WebViewCore to create child views. - /* package */ ViewManager mViewManager; - - // Used to display in full screen mode - PluginFullScreenHolder mFullScreenHolder; - - /** - * Position of the last touch event in pixels. - * Use integer to prevent loss of dragging delta calculation accuracy; - * which was done in float and converted to integer, and resulted in gradual - * and compounding touch position and view dragging mismatch. - */ - private int mLastTouchX; - private int mLastTouchY; - private int mStartTouchX; - private int mStartTouchY; - private float mAverageAngle; - - /** - * Time of the last touch event. - */ - private long mLastTouchTime; - - /** - * Time of the last time sending touch event to WebViewCore - */ - private long mLastSentTouchTime; - - /** - * The minimum elapsed time before sending another ACTION_MOVE event to - * WebViewCore. This really should be tuned for each type of the devices. - * For example in Google Map api test case, it takes Dream device at least - * 150ms to do a full cycle in the WebViewCore by processing a touch event, - * triggering the layout and drawing the picture. While the same process - * takes 60+ms on the current high speed device. If we make - * TOUCH_SENT_INTERVAL too small, there will be multiple touch events sent - * to WebViewCore queue and the real layout and draw events will be pushed - * to further, which slows down the refresh rate. Choose 50 to favor the - * current high speed devices. For Dream like devices, 100 is a better - * choice. Maybe make this in the buildspec later. - * (Update 12/14/2010: changed to 0 since current device should be able to - * handle the raw events and Map team voted to have the raw events too. - */ - private static final int TOUCH_SENT_INTERVAL = 0; - private int mCurrentTouchInterval = TOUCH_SENT_INTERVAL; - - /** - * Helper class to get velocity for fling - */ - VelocityTracker mVelocityTracker; - private int mMaximumFling; - private float mLastVelocity; - private float mLastVelX; - private float mLastVelY; - - // The id of the native layer being scrolled. - private int mCurrentScrollingLayerId; - private Rect mScrollingLayerRect = new Rect(); - - // only trigger accelerated fling if the new velocity is at least - // MINIMUM_VELOCITY_RATIO_FOR_ACCELERATION times of the previous velocity - private static final float MINIMUM_VELOCITY_RATIO_FOR_ACCELERATION = 0.2f; - - /** - * Touch mode - * TODO: Some of this is now unnecessary as it is handled by - * WebInputTouchDispatcher (such as click, long press, and double tap). - */ - private int mTouchMode = TOUCH_DONE_MODE; - private static final int TOUCH_INIT_MODE = 1; - private static final int TOUCH_DRAG_START_MODE = 2; - private static final int TOUCH_DRAG_MODE = 3; - private static final int TOUCH_SHORTPRESS_START_MODE = 4; - private static final int TOUCH_SHORTPRESS_MODE = 5; - private static final int TOUCH_DOUBLE_TAP_MODE = 6; - private static final int TOUCH_DONE_MODE = 7; - private static final int TOUCH_PINCH_DRAG = 8; - private static final int TOUCH_DRAG_LAYER_MODE = 9; - private static final int TOUCH_DRAG_TEXT_MODE = 10; - - // true when the touch movement exceeds the slop - private boolean mConfirmMove; - private boolean mTouchInEditText; - - // Whether or not to draw the cursor ring. - private boolean mDrawCursorRing = true; - - // true if onPause has been called (and not onResume) - private boolean mIsPaused; - - private HitTestResult mInitialHitTestResult; - private WebKitHitTest mFocusedNode; - - /** - * Customizable constant - */ - // pre-computed square of ViewConfiguration.getScaledTouchSlop() - private int mTouchSlopSquare; - // pre-computed square of ViewConfiguration.getScaledDoubleTapSlop() - private int mDoubleTapSlopSquare; - // pre-computed density adjusted navigation slop - private int mNavSlop; - // This should be ViewConfiguration.getTapTimeout() - // But system time out is 100ms, which is too short for the browser. - // In the browser, if it switches out of tap too soon, jump tap won't work. - // In addition, a double tap on a trackpad will always have a duration of - // 300ms, so this value must be at least that (otherwise we will timeout the - // first tap and convert it to a long press). - private static final int TAP_TIMEOUT = 300; - // This should be ViewConfiguration.getLongPressTimeout() - // But system time out is 500ms, which is too short for the browser. - // With a short timeout, it's difficult to treat trigger a short press. - private static final int LONG_PRESS_TIMEOUT = 1000; - // needed to avoid flinging after a pause of no movement - private static final int MIN_FLING_TIME = 250; - // draw unfiltered after drag is held without movement - private static final int MOTIONLESS_TIME = 100; - // The amount of content to overlap between two screens when going through - // pages with the space bar, in pixels. - private static final int PAGE_SCROLL_OVERLAP = 24; - - /** - * These prevent calling requestLayout if either dimension is fixed. This - * depends on the layout parameters and the measure specs. - */ - boolean mWidthCanMeasure; - boolean mHeightCanMeasure; - - // Remember the last dimensions we sent to the native side so we can avoid - // sending the same dimensions more than once. - int mLastWidthSent; - int mLastHeightSent; - // Since view height sent to webkit could be fixed to avoid relayout, this - // value records the last sent actual view height. - int mLastActualHeightSent; - - private int mContentWidth; // cache of value from WebViewCore - private int mContentHeight; // cache of value from WebViewCore - - // Need to have the separate control for horizontal and vertical scrollbar - // style than the View's single scrollbar style - private boolean mOverlayHorizontalScrollbar = true; - private boolean mOverlayVerticalScrollbar = false; - - // our standard speed. this way small distances will be traversed in less - // time than large distances, but we cap the duration, so that very large - // distances won't take too long to get there. - private static final int STD_SPEED = 480; // pixels per second - // time for the longest scroll animation - private static final int MAX_DURATION = 750; // milliseconds - - // Used by OverScrollGlow - OverScroller mScroller; - Scroller mEditTextScroller; - - private boolean mInOverScrollMode = false; - private static Paint mOverScrollBackground; - private static Paint mOverScrollBorder; - - private boolean mWrapContent; - private static final int MOTIONLESS_FALSE = 0; - private static final int MOTIONLESS_PENDING = 1; - private static final int MOTIONLESS_TRUE = 2; - private static final int MOTIONLESS_IGNORE = 3; - private int mHeldMotionless; - - // Lazily-instantiated instance for injecting accessibility. - private AccessibilityInjector mAccessibilityInjector; - - /** - * How long the caret handle will last without being touched. - */ - private static final long CARET_HANDLE_STAMINA_MS = 3000; - - private Drawable mSelectHandleLeft; - private Drawable mSelectHandleRight; - private Drawable mSelectHandleCenter; - private Point mSelectOffset; - private Point mSelectCursorBase = new Point(); - private Rect mSelectHandleBaseBounds = new Rect(); - private int mSelectCursorBaseLayerId; - private QuadF mSelectCursorBaseTextQuad = new QuadF(); - private Point mSelectCursorExtent = new Point(); - private Rect mSelectHandleExtentBounds = new Rect(); - private int mSelectCursorExtentLayerId; - private QuadF mSelectCursorExtentTextQuad = new QuadF(); - private Point mSelectDraggingCursor; - private QuadF mSelectDraggingTextQuad; - private boolean mIsCaretSelection; - static final int HANDLE_ID_BASE = 0; - static final int HANDLE_ID_EXTENT = 1; - - // the color used to highlight the touch rectangles - static final int HIGHLIGHT_COLOR = 0x6633b5e5; - // the region indicating where the user touched on the screen - private Region mTouchHighlightRegion = new Region(); - // the paint for the touch highlight - private Paint mTouchHightlightPaint = new Paint(); - // debug only - private static final boolean DEBUG_TOUCH_HIGHLIGHT = true; - private static final int TOUCH_HIGHLIGHT_ELAPSE_TIME = 2000; - private Paint mTouchCrossHairColor; - private int mTouchHighlightX; - private int mTouchHighlightY; - private boolean mShowTapHighlight; - - // Basically this proxy is used to tell the Video to update layer tree at - // SetBaseLayer time and to pause when WebView paused. - private HTML5VideoViewProxy mHTML5VideoViewProxy; - - // If we are using a set picture, don't send view updates to webkit - private boolean mBlockWebkitViewMessages = false; - - // cached value used to determine if we need to switch drawing models - private boolean mHardwareAccelSkia = false; - - /* - * Private message ids - */ - private static final int REMEMBER_PASSWORD = 1; - private static final int NEVER_REMEMBER_PASSWORD = 2; - private static final int SWITCH_TO_SHORTPRESS = 3; - private static final int SWITCH_TO_LONGPRESS = 4; - private static final int RELEASE_SINGLE_TAP = 5; - private static final int REQUEST_FORM_DATA = 6; - private static final int DRAG_HELD_MOTIONLESS = 8; - private static final int PREVENT_DEFAULT_TIMEOUT = 10; - private static final int SCROLL_SELECT_TEXT = 11; - - - private static final int FIRST_PRIVATE_MSG_ID = REMEMBER_PASSWORD; - private static final int LAST_PRIVATE_MSG_ID = SCROLL_SELECT_TEXT; - - /* - * Package message ids - */ - static final int SCROLL_TO_MSG_ID = 101; - static final int NEW_PICTURE_MSG_ID = 105; - static final int WEBCORE_INITIALIZED_MSG_ID = 107; - static final int UPDATE_TEXTFIELD_TEXT_MSG_ID = 108; - static final int UPDATE_ZOOM_RANGE = 109; - static final int TAKE_FOCUS = 110; - static final int CLEAR_TEXT_ENTRY = 111; - static final int UPDATE_TEXT_SELECTION_MSG_ID = 112; - static final int SHOW_RECT_MSG_ID = 113; - static final int LONG_PRESS_CENTER = 114; - static final int PREVENT_TOUCH_ID = 115; - static final int WEBCORE_NEED_TOUCH_EVENTS = 116; - // obj=Rect in doc coordinates - static final int INVAL_RECT_MSG_ID = 117; - static final int REQUEST_KEYBOARD = 118; - static final int SHOW_FULLSCREEN = 120; - static final int HIDE_FULLSCREEN = 121; - static final int UPDATE_MATCH_COUNT = 126; - static final int CENTER_FIT_RECT = 127; - static final int SET_SCROLLBAR_MODES = 129; - static final int HIT_TEST_RESULT = 130; - static final int SAVE_WEBARCHIVE_FINISHED = 131; - static final int SET_AUTOFILLABLE = 132; - static final int AUTOFILL_COMPLETE = 133; - static final int SCREEN_ON = 134; - static final int UPDATE_ZOOM_DENSITY = 135; - static final int EXIT_FULLSCREEN_VIDEO = 136; - static final int COPY_TO_CLIPBOARD = 137; - static final int INIT_EDIT_FIELD = 138; - static final int REPLACE_TEXT = 139; - static final int CLEAR_CARET_HANDLE = 140; - static final int KEY_PRESS = 141; - static final int RELOCATE_AUTO_COMPLETE_POPUP = 142; - static final int FOCUS_NODE_CHANGED = 143; - static final int AUTOFILL_FORM = 144; - static final int SCROLL_EDIT_TEXT = 145; - static final int EDIT_TEXT_SIZE_CHANGED = 146; - static final int SHOW_CARET_HANDLE = 147; - static final int UPDATE_CONTENT_BOUNDS = 148; - static final int SCROLL_HANDLE_INTO_VIEW = 149; - - private static final int FIRST_PACKAGE_MSG_ID = SCROLL_TO_MSG_ID; - private static final int LAST_PACKAGE_MSG_ID = HIT_TEST_RESULT; - - static final String[] HandlerPrivateDebugString = { - "REMEMBER_PASSWORD", // = 1; - "NEVER_REMEMBER_PASSWORD", // = 2; - "SWITCH_TO_SHORTPRESS", // = 3; - "SWITCH_TO_LONGPRESS", // = 4; - "RELEASE_SINGLE_TAP", // = 5; - "REQUEST_FORM_DATA", // = 6; - "RESUME_WEBCORE_PRIORITY", // = 7; - "DRAG_HELD_MOTIONLESS", // = 8; - "", // = 9; - "PREVENT_DEFAULT_TIMEOUT", // = 10; - "SCROLL_SELECT_TEXT" // = 11; - }; - - static final String[] HandlerPackageDebugString = { - "SCROLL_TO_MSG_ID", // = 101; - "102", // = 102; - "103", // = 103; - "104", // = 104; - "NEW_PICTURE_MSG_ID", // = 105; - "UPDATE_TEXT_ENTRY_MSG_ID", // = 106; - "WEBCORE_INITIALIZED_MSG_ID", // = 107; - "UPDATE_TEXTFIELD_TEXT_MSG_ID", // = 108; - "UPDATE_ZOOM_RANGE", // = 109; - "UNHANDLED_NAV_KEY", // = 110; - "CLEAR_TEXT_ENTRY", // = 111; - "UPDATE_TEXT_SELECTION_MSG_ID", // = 112; - "SHOW_RECT_MSG_ID", // = 113; - "LONG_PRESS_CENTER", // = 114; - "PREVENT_TOUCH_ID", // = 115; - "WEBCORE_NEED_TOUCH_EVENTS", // = 116; - "INVAL_RECT_MSG_ID", // = 117; - "REQUEST_KEYBOARD", // = 118; - "DO_MOTION_UP", // = 119; - "SHOW_FULLSCREEN", // = 120; - "HIDE_FULLSCREEN", // = 121; - "DOM_FOCUS_CHANGED", // = 122; - "REPLACE_BASE_CONTENT", // = 123; - "RETURN_LABEL", // = 125; - "UPDATE_MATCH_COUNT", // = 126; - "CENTER_FIT_RECT", // = 127; - "REQUEST_KEYBOARD_WITH_SELECTION_MSG_ID", // = 128; - "SET_SCROLLBAR_MODES", // = 129; - "SELECTION_STRING_CHANGED", // = 130; - "SET_TOUCH_HIGHLIGHT_RECTS", // = 131; - "SAVE_WEBARCHIVE_FINISHED", // = 132; - "SET_AUTOFILLABLE", // = 133; - "AUTOFILL_COMPLETE", // = 134; - "SELECT_AT", // = 135; - "SCREEN_ON", // = 136; - "ENTER_FULLSCREEN_VIDEO", // = 137; - "UPDATE_SELECTION", // = 138; - "UPDATE_ZOOM_DENSITY" // = 139; - }; - - // If the site doesn't use the viewport meta tag to specify the viewport, - // use DEFAULT_VIEWPORT_WIDTH as the default viewport width - static final int DEFAULT_VIEWPORT_WIDTH = 980; - - // normally we try to fit the content to the minimum preferred width - // calculated by the Webkit. To avoid the bad behavior when some site's - // minimum preferred width keeps growing when changing the viewport width or - // the minimum preferred width is huge, an upper limit is needed. - static int sMaxViewportWidth = DEFAULT_VIEWPORT_WIDTH; - - // initial scale in percent. 0 means using default. - private int mInitialScaleInPercent = 0; - - // Whether or not a scroll event should be sent to webkit. This is only set - // to false when restoring the scroll position. - private boolean mSendScrollEvent = true; - - private int mSnapScrollMode = SNAP_NONE; - private static final int SNAP_NONE = 0; - private static final int SNAP_LOCK = 1; // not a separate state - private static final int SNAP_X = 2; // may be combined with SNAP_LOCK - private static final int SNAP_Y = 4; // may be combined with SNAP_LOCK - private boolean mSnapPositive; - - // keep these in sync with their counterparts in WebView.cpp - private static final int DRAW_EXTRAS_NONE = 0; - private static final int DRAW_EXTRAS_SELECTION = 1; - private static final int DRAW_EXTRAS_CURSOR_RING = 2; - - // keep this in sync with WebCore:ScrollbarMode in WebKit - private static final int SCROLLBAR_AUTO = 0; - private static final int SCROLLBAR_ALWAYSOFF = 1; - // as we auto fade scrollbar, this is ignored. - private static final int SCROLLBAR_ALWAYSON = 2; - private int mHorizontalScrollBarMode = SCROLLBAR_AUTO; - private int mVerticalScrollBarMode = SCROLLBAR_AUTO; - - /** - * Max distance to overscroll by in pixels. - * This how far content can be pulled beyond its normal bounds by the user. - */ - private int mOverscrollDistance; - - /** - * Max distance to overfling by in pixels. - * This is how far flinged content can move beyond the end of its normal bounds. - */ - private int mOverflingDistance; - - private OverScrollGlow mOverScrollGlow; - - // Used to match key downs and key ups - private Vector<Integer> mKeysPressed; - - /* package */ static boolean mLogEvent = true; - - // for event log - private long mLastTouchUpTime = 0; - - private WebViewCore.AutoFillData mAutoFillData; - - private static boolean sNotificationsEnabled = true; - - /** - * URI scheme for telephone number - */ - public static final String SCHEME_TEL = "tel:"; - /** - * URI scheme for email address - */ - public static final String SCHEME_MAILTO = "mailto:"; - /** - * URI scheme for map address - */ - public static final String SCHEME_GEO = "geo:0,0?q="; - - private int mBackgroundColor = Color.WHITE; - - private static final long SELECT_SCROLL_INTERVAL = 1000 / 60; // 60 / second - private int mAutoScrollX = 0; - private int mAutoScrollY = 0; - private int mMinAutoScrollX = 0; - private int mMaxAutoScrollX = 0; - private int mMinAutoScrollY = 0; - private int mMaxAutoScrollY = 0; - private Rect mScrollingLayerBounds = new Rect(); - private boolean mSentAutoScrollMessage = false; - - // used for serializing asynchronously handled touch events. - private WebViewInputDispatcher mInputDispatcher; - - // Used to track whether picture updating was paused due to a window focus change. - private boolean mPictureUpdatePausedForFocusChange = false; - - // Used to notify listeners of a new picture. - private PictureListener mPictureListener; - - // Used to notify listeners about find-on-page results. - private WebView.FindListener mFindListener; - - // Used to prevent resending save password message - private Message mResumeMsg; - - /** - * Refer to {@link WebView#requestFocusNodeHref(Message)} for more information - */ - static class FocusNodeHref { - static final String TITLE = "title"; - static final String URL = "url"; - static final String SRC = "src"; - } - - public WebViewClassic(WebView webView, WebView.PrivateAccess privateAccess) { - mWebView = webView; - mWebViewPrivate = privateAccess; - mContext = webView.getContext(); - } - - /** - * See {@link WebViewProvider#init(Map, boolean)} - */ - @Override - public void init(Map<String, Object> javaScriptInterfaces, boolean privateBrowsing) { - Context context = mContext; - - // Used by the chrome stack to find application paths - JniUtil.setContext(context); - - mCallbackProxy = new CallbackProxy(context, this); - mViewManager = new ViewManager(this); - L10nUtils.setApplicationContext(context.getApplicationContext()); - mWebViewCore = new WebViewCore(context, this, mCallbackProxy, javaScriptInterfaces); - mDatabase = WebViewDatabaseClassic.getInstance(context); - mScroller = new OverScroller(context, null, 0, 0, false); //TODO Use OverScroller's flywheel - mZoomManager = new ZoomManager(this, mCallbackProxy); - - /* The init method must follow the creation of certain member variables, - * such as the mZoomManager. - */ - init(); - setupPackageListener(context); - setupProxyListener(context); - setupTrustStorageListener(context); - updateMultiTouchSupport(context); - - if (privateBrowsing) { - startPrivateBrowsing(); - } - - mAutoFillData = new WebViewCore.AutoFillData(); - mEditTextScroller = new Scroller(context); - - // Calculate channel distance - calculateChannelDistance(context); - } - - /** - * Calculate sChannelDistance based on the screen information. - * @param context A Context object used to access application assets. - */ - private void calculateChannelDistance(Context context) { - // The channel distance is adjusted for density and screen size - final DisplayMetrics metrics = context.getResources().getDisplayMetrics(); - final double screenSize = Math.hypot((double)(metrics.widthPixels/metrics.densityDpi), - (double)(metrics.heightPixels/metrics.densityDpi)); - if (screenSize < 3.0) { - sChannelDistance = 16; - } else if (screenSize < 5.0) { - sChannelDistance = 22; - } else if (screenSize < 7.0) { - sChannelDistance = 28; - } else { - sChannelDistance = 34; - } - sChannelDistance = (int)(sChannelDistance * metrics.density); - if (sChannelDistance < 16) sChannelDistance = 16; - - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "sChannelDistance : " + sChannelDistance - + ", density : " + metrics.density - + ", screenSize : " + screenSize - + ", metrics.heightPixels : " + metrics.heightPixels - + ", metrics.widthPixels : " + metrics.widthPixels - + ", metrics.densityDpi : " + metrics.densityDpi); - } - } - - // WebViewProvider bindings - - static class Factory implements WebViewFactoryProvider, WebViewFactoryProvider.Statics { - @Override - public String findAddress(String addr) { - return WebViewClassic.findAddress(addr); - } - @Override - public void setPlatformNotificationsEnabled(boolean enable) { - if (enable) { - WebViewClassic.enablePlatformNotifications(); - } else { - WebViewClassic.disablePlatformNotifications(); - } - } - - @Override - public Statics getStatics() { return this; } - - @Override - public WebViewProvider createWebView(WebView webView, WebView.PrivateAccess privateAccess) { - return new WebViewClassic(webView, privateAccess); - } - - @Override - public GeolocationPermissions getGeolocationPermissions() { - return GeolocationPermissionsClassic.getInstance(); - } - - @Override - public CookieManager getCookieManager() { - return CookieManagerClassic.getInstance(); - } - - @Override - public WebIconDatabase getWebIconDatabase() { - return WebIconDatabaseClassic.getInstance(); - } - - @Override - public WebStorage getWebStorage() { - return WebStorageClassic.getInstance(); - } - - @Override - public WebViewDatabase getWebViewDatabase(Context context) { - return WebViewDatabaseClassic.getInstance(context); - } - - @Override - public String getDefaultUserAgent(Context context) { - return WebSettingsClassic.getDefaultUserAgentForLocale(context, - Locale.getDefault()); - } - } - - private void onHandleUiEvent(MotionEvent event, int eventType, int flags) { - switch (eventType) { - case WebViewInputDispatcher.EVENT_TYPE_LONG_PRESS: - HitTestResult hitTest = getHitTestResult(); - if (hitTest != null) { - mWebView.performLongClick(); - } - break; - case WebViewInputDispatcher.EVENT_TYPE_DOUBLE_TAP: - mZoomManager.handleDoubleTap(event.getX(), event.getY()); - break; - case WebViewInputDispatcher.EVENT_TYPE_TOUCH: - onHandleUiTouchEvent(event); - break; - case WebViewInputDispatcher.EVENT_TYPE_CLICK: - if (mFocusedNode != null && mFocusedNode.mIntentUrl != null) { - mWebView.playSoundEffect(SoundEffectConstants.CLICK); - overrideLoading(mFocusedNode.mIntentUrl); - } - break; - } - } - - private void onHandleUiTouchEvent(MotionEvent ev) { - final ScaleGestureDetector detector = - mZoomManager.getScaleGestureDetector(); - - int action = ev.getActionMasked(); - final boolean pointerUp = action == MotionEvent.ACTION_POINTER_UP; - final boolean configChanged = - action == MotionEvent.ACTION_POINTER_UP || - action == MotionEvent.ACTION_POINTER_DOWN; - final int skipIndex = pointerUp ? ev.getActionIndex() : -1; - - // Determine focal point - float sumX = 0, sumY = 0; - final int count = ev.getPointerCount(); - for (int i = 0; i < count; i++) { - if (skipIndex == i) continue; - sumX += ev.getX(i); - sumY += ev.getY(i); - } - final int div = pointerUp ? count - 1 : count; - float x = sumX / div; - float y = sumY / div; - - if (configChanged) { - mLastTouchX = Math.round(x); - mLastTouchY = Math.round(y); - mLastTouchTime = ev.getEventTime(); - mWebView.cancelLongPress(); - mPrivateHandler.removeMessages(SWITCH_TO_LONGPRESS); - } - - if (detector != null) { - detector.onTouchEvent(ev); - if (detector.isInProgress()) { - mLastTouchTime = ev.getEventTime(); - - if (!mZoomManager.supportsPanDuringZoom()) { - return; - } - mTouchMode = TOUCH_DRAG_MODE; - if (mVelocityTracker == null) { - mVelocityTracker = VelocityTracker.obtain(); - } - } - } - - if (action == MotionEvent.ACTION_POINTER_DOWN) { - cancelTouch(); - action = MotionEvent.ACTION_DOWN; - } else if (action == MotionEvent.ACTION_MOVE) { - // negative x or y indicate it is on the edge, skip it. - if (x < 0 || y < 0) { - return; - } - } - - handleTouchEventCommon(ev, action, Math.round(x), Math.round(y)); - } - - // The webview that is bound to this WebViewClassic instance. Primarily needed for supplying - // as the first param in the WebViewClient and WebChromeClient callbacks. - final private WebView mWebView; - // Callback interface, provides priviledged access into the WebView instance. - final private WebView.PrivateAccess mWebViewPrivate; - // Cached reference to mWebView.getContext(), for convenience. - final private Context mContext; - - /** - * @return The webview proxy that this classic webview is bound to. - */ - public WebView getWebView() { - return mWebView; - } - - @Override - public ViewDelegate getViewDelegate() { - return this; - } - - @Override - public ScrollDelegate getScrollDelegate() { - return this; - } - - public static WebViewClassic fromWebView(WebView webView) { - return webView == null ? null : (WebViewClassic) webView.getWebViewProvider(); - } - - // Accessors, purely for convenience (and to reduce code churn during webview proxy migration). - int getScrollX() { - return mWebView.getScrollX(); - } - - int getScrollY() { - return mWebView.getScrollY(); - } - - int getWidth() { - return mWebView.getWidth(); - } - - int getHeight() { - return mWebView.getHeight(); - } - - Context getContext() { - return mContext; - } - - void invalidate() { - mWebView.invalidate(); - } - - // Setters for the Scroll X & Y, without invoking the onScrollChanged etc code paths. - void setScrollXRaw(int mScrollX) { - mWebViewPrivate.setScrollXRaw(mScrollX); - } - - void setScrollYRaw(int mScrollY) { - mWebViewPrivate.setScrollYRaw(mScrollY); - } - - private static class TrustStorageListener extends BroadcastReceiver { - @Override - public void onReceive(Context context, Intent intent) { - if (intent.getAction().equals(KeyChain.ACTION_STORAGE_CHANGED)) { - handleCertTrustChanged(); - } - } - } - private static TrustStorageListener sTrustStorageListener; - - /** - * Handles update to the trust storage. - */ - private static void handleCertTrustChanged() { - // send a message for indicating trust storage change - WebViewCore.sendStaticMessage(EventHub.TRUST_STORAGE_UPDATED, null); - } - - /* - * @param context This method expects this to be a valid context. - */ - private static void setupTrustStorageListener(Context context) { - if (sTrustStorageListener != null ) { - return; - } - IntentFilter filter = new IntentFilter(); - filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); - sTrustStorageListener = new TrustStorageListener(); - Intent current = - context.getApplicationContext().registerReceiver(sTrustStorageListener, filter); - if (current != null) { - handleCertTrustChanged(); - } - } - - private static class ProxyReceiver extends BroadcastReceiver { - @Override - public void onReceive(Context context, Intent intent) { - if (intent.getAction().equals(Proxy.PROXY_CHANGE_ACTION)) { - handleProxyBroadcast(intent); - } - } - } - - /* - * Receiver for PROXY_CHANGE_ACTION, will be null when it is not added handling broadcasts. - */ - private static ProxyReceiver sProxyReceiver; - - /* - * @param context This method expects this to be a valid context - */ - private static synchronized void setupProxyListener(Context context) { - if (sProxyReceiver != null || sNotificationsEnabled == false) { - return; - } - IntentFilter filter = new IntentFilter(); - filter.addAction(Proxy.PROXY_CHANGE_ACTION); - sProxyReceiver = new ProxyReceiver(); - Intent currentProxy = context.getApplicationContext().registerReceiver( - sProxyReceiver, filter); - if (currentProxy != null) { - handleProxyBroadcast(currentProxy); - } - } - - /* - * @param context This method expects this to be a valid context - */ - private static synchronized void disableProxyListener(Context context) { - if (sProxyReceiver == null) - return; - - context.getApplicationContext().unregisterReceiver(sProxyReceiver); - sProxyReceiver = null; - } - - private static void handleProxyBroadcast(Intent intent) { - ProxyProperties proxyProperties = (ProxyProperties)intent.getExtra(Proxy.EXTRA_PROXY_INFO); - if (proxyProperties == null || proxyProperties.getHost() == null) { - WebViewCore.sendStaticMessage(EventHub.PROXY_CHANGED, null); - return; - } - WebViewCore.sendStaticMessage(EventHub.PROXY_CHANGED, proxyProperties); - } - - /* - * A variable to track if there is a receiver added for ACTION_PACKAGE_ADDED - * or ACTION_PACKAGE_REMOVED. - */ - private static boolean sPackageInstallationReceiverAdded = false; - - /* - * A set of Google packages we monitor for the - * navigator.isApplicationInstalled() API. Add additional packages as - * needed. - */ - private static Set<String> sGoogleApps; - static { - sGoogleApps = new HashSet<String>(); - sGoogleApps.add("com.google.android.youtube"); - } - - private static class PackageListener extends BroadcastReceiver { - @Override - public void onReceive(Context context, Intent intent) { - final String action = intent.getAction(); - final String packageName = intent.getData().getSchemeSpecificPart(); - final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); - if (Intent.ACTION_PACKAGE_REMOVED.equals(action) && replacing) { - // if it is replacing, refreshPlugins() when adding - return; - } - - if (sGoogleApps.contains(packageName)) { - if (Intent.ACTION_PACKAGE_ADDED.equals(action)) { - WebViewCore.sendStaticMessage(EventHub.ADD_PACKAGE_NAME, packageName); - } else { - WebViewCore.sendStaticMessage(EventHub.REMOVE_PACKAGE_NAME, packageName); - } - } - - PluginManager pm = PluginManager.getInstance(context); - if (pm.containsPluginPermissionAndSignatures(packageName)) { - pm.refreshPlugins(Intent.ACTION_PACKAGE_ADDED.equals(action)); - } - } - } - - private void setupPackageListener(Context context) { - - /* - * we must synchronize the instance check and the creation of the - * receiver to ensure that only ONE receiver exists for all WebView - * instances. - */ - synchronized (WebViewClassic.class) { - - // if the receiver already exists then we do not need to register it - // again - if (sPackageInstallationReceiverAdded) { - return; - } - - IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED); - filter.addAction(Intent.ACTION_PACKAGE_REMOVED); - filter.addDataScheme("package"); - BroadcastReceiver packageListener = new PackageListener(); - context.getApplicationContext().registerReceiver(packageListener, filter); - sPackageInstallationReceiverAdded = true; - } - - // check if any of the monitored apps are already installed - AsyncTask<Void, Void, Set<String>> task = new AsyncTask<Void, Void, Set<String>>() { - - @Override - protected Set<String> doInBackground(Void... unused) { - Set<String> installedPackages = new HashSet<String>(); - PackageManager pm = mContext.getPackageManager(); - for (String name : sGoogleApps) { - try { - pm.getPackageInfo(name, - PackageManager.GET_ACTIVITIES | PackageManager.GET_SERVICES); - installedPackages.add(name); - } catch (PackageManager.NameNotFoundException e) { - // package not found - } - } - return installedPackages; - } - - // Executes on the UI thread - @Override - protected void onPostExecute(Set<String> installedPackages) { - if (mWebViewCore != null) { - mWebViewCore.sendMessage(EventHub.ADD_PACKAGE_NAMES, installedPackages); - } - } - }; - task.execute(); - } - - void updateMultiTouchSupport(Context context) { - mZoomManager.updateMultiTouchSupport(context); - } - - void updateJavaScriptEnabled(boolean enabled) { - if (isAccessibilityInjectionEnabled()) { - getAccessibilityInjector().updateJavaScriptEnabled(enabled); - } - } - - private void init() { - OnTrimMemoryListener.init(mContext); - mWebView.setWillNotDraw(false); - mWebView.setClickable(true); - mWebView.setLongClickable(true); - - final ViewConfiguration configuration = ViewConfiguration.get(mContext); - int slop = configuration.getScaledTouchSlop(); - mTouchSlopSquare = slop * slop; - slop = configuration.getScaledDoubleTapSlop(); - mDoubleTapSlopSquare = slop * slop; - final float density = WebViewCore.getFixedDisplayDensity(mContext); - // use one line height, 16 based on our current default font, for how - // far we allow a touch be away from the edge of a link - mNavSlop = (int) (16 * density); - mZoomManager.init(density); - mMaximumFling = configuration.getScaledMaximumFlingVelocity(); - - // Compute the inverse of the density squared. - DRAG_LAYER_INVERSE_DENSITY_SQUARED = 1 / (density * density); - - mOverscrollDistance = configuration.getScaledOverscrollDistance(); - mOverflingDistance = configuration.getScaledOverflingDistance(); - - setScrollBarStyle(mWebViewPrivate.super_getScrollBarStyle()); - // Initially use a size of two, since the user is likely to only hold - // down two keys at a time (shift + another key) - mKeysPressed = new Vector<Integer>(2); - mHTML5VideoViewProxy = null ; - } - - @Override - public boolean shouldDelayChildPressedState() { - return true; - } - - @Override - public boolean performAccessibilityAction(int action, Bundle arguments) { - if (!mWebView.isEnabled()) { - // Only default actions are supported while disabled. - return mWebViewPrivate.super_performAccessibilityAction(action, arguments); - } - - if (getAccessibilityInjector().supportsAccessibilityAction(action)) { - return getAccessibilityInjector().performAccessibilityAction(action, arguments); - } - - switch (action) { - case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: - case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: { - final int convertedContentHeight = contentToViewY(getContentHeight()); - final int adjustedViewHeight = getHeight() - mWebView.getPaddingTop() - - mWebView.getPaddingBottom(); - final int maxScrollY = Math.max(convertedContentHeight - adjustedViewHeight, 0); - final boolean canScrollBackward = (getScrollY() > 0); - final boolean canScrollForward = ((getScrollY() - maxScrollY) > 0); - if ((action == AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) && canScrollBackward) { - mWebView.scrollBy(0, adjustedViewHeight); - return true; - } - if ((action == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) && canScrollForward) { - mWebView.scrollBy(0, -adjustedViewHeight); - return true; - } - return false; - } - } - - return mWebViewPrivate.super_performAccessibilityAction(action, arguments); - } - - @Override - public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { - if (!mWebView.isEnabled()) { - // Only default actions are supported while disabled. - return; - } - - info.setScrollable(isScrollableForAccessibility()); - - final int convertedContentHeight = contentToViewY(getContentHeight()); - final int adjustedViewHeight = getHeight() - mWebView.getPaddingTop() - - mWebView.getPaddingBottom(); - final int maxScrollY = Math.max(convertedContentHeight - adjustedViewHeight, 0); - final boolean canScrollBackward = (getScrollY() > 0); - final boolean canScrollForward = ((getScrollY() - maxScrollY) > 0); - - if (canScrollForward) { - info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD); - } - - if (canScrollForward) { - info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD); - } - - getAccessibilityInjector().onInitializeAccessibilityNodeInfo(info); - } - - @Override - public void onInitializeAccessibilityEvent(AccessibilityEvent event) { - event.setScrollable(isScrollableForAccessibility()); - event.setScrollX(getScrollX()); - event.setScrollY(getScrollY()); - final int convertedContentWidth = contentToViewX(getContentWidth()); - final int adjustedViewWidth = getWidth() - mWebView.getPaddingLeft() - - mWebView.getPaddingLeft(); - event.setMaxScrollX(Math.max(convertedContentWidth - adjustedViewWidth, 0)); - final int convertedContentHeight = contentToViewY(getContentHeight()); - final int adjustedViewHeight = getHeight() - mWebView.getPaddingTop() - - mWebView.getPaddingBottom(); - event.setMaxScrollY(Math.max(convertedContentHeight - adjustedViewHeight, 0)); - } - - /* package */ void handleSelectionChangedWebCoreThread(String selection, int token) { - if (isAccessibilityInjectionEnabled()) { - getAccessibilityInjector().onSelectionStringChangedWebCoreThread(selection, token); - } - } - - private boolean isAccessibilityInjectionEnabled() { - final AccessibilityManager manager = AccessibilityManager.getInstance(mContext); - if (!manager.isEnabled()) { - return false; - } - - // Accessibility scripts should be injected only when a speaking service - // is enabled. This may need to change later to accommodate Braille. - final List<AccessibilityServiceInfo> services = manager.getEnabledAccessibilityServiceList( - AccessibilityServiceInfo.FEEDBACK_SPOKEN); - if (services.isEmpty()) { - return false; - } - - return true; - } - - private AccessibilityInjector getAccessibilityInjector() { - if (mAccessibilityInjector == null) { - mAccessibilityInjector = new AccessibilityInjector(this); - } - return mAccessibilityInjector; - } - - private boolean isScrollableForAccessibility() { - return (contentToViewX(getContentWidth()) > getWidth() - mWebView.getPaddingLeft() - - mWebView.getPaddingRight() - || contentToViewY(getContentHeight()) > getHeight() - mWebView.getPaddingTop() - - mWebView.getPaddingBottom()); - } - - @Override - public void setOverScrollMode(int mode) { - if (mode != View.OVER_SCROLL_NEVER) { - if (mOverScrollGlow == null) { - mOverScrollGlow = new OverScrollGlow(this); - } - } else { - mOverScrollGlow = null; - } - } - - /* package */ void adjustDefaultZoomDensity(int zoomDensity) { - final float density = WebViewCore.getFixedDisplayDensity(mContext) - * 100 / zoomDensity; - updateDefaultZoomDensity(density); - } - - /* package */ void updateDefaultZoomDensity(float density) { - mNavSlop = (int) (16 * density); - mZoomManager.updateDefaultZoomDensity(density); - } - - /* package */ int getScaledNavSlop() { - return viewToContentDimension(mNavSlop); - } - - /* package */ boolean onSavePassword(String schemePlusHost, String username, - String password, final Message resumeMsg) { - boolean rVal = false; - if (resumeMsg == null) { - // null resumeMsg implies saving password silently - mDatabase.setUsernamePassword(schemePlusHost, username, password); - } else { - if (mResumeMsg != null) { - Log.w(LOGTAG, "onSavePassword should not be called while dialog is up"); - resumeMsg.sendToTarget(); - return true; - } - mResumeMsg = resumeMsg; - final Message remember = mPrivateHandler.obtainMessage( - REMEMBER_PASSWORD); - remember.getData().putString("host", schemePlusHost); - remember.getData().putString("username", username); - remember.getData().putString("password", password); - remember.obj = resumeMsg; - - final Message neverRemember = mPrivateHandler.obtainMessage( - NEVER_REMEMBER_PASSWORD); - neverRemember.getData().putString("host", schemePlusHost); - neverRemember.getData().putString("username", username); - neverRemember.getData().putString("password", password); - neverRemember.obj = resumeMsg; - - mSavePasswordDialog = new AlertDialog.Builder(mContext) - .setTitle(com.android.internal.R.string.save_password_label) - .setMessage(com.android.internal.R.string.save_password_message) - .setPositiveButton(com.android.internal.R.string.save_password_notnow, - new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - if (mResumeMsg != null) { - resumeMsg.sendToTarget(); - mResumeMsg = null; - } - mSavePasswordDialog = null; - } - }) - .setNeutralButton(com.android.internal.R.string.save_password_remember, - new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - if (mResumeMsg != null) { - remember.sendToTarget(); - mResumeMsg = null; - } - mSavePasswordDialog = null; - } - }) - .setNegativeButton(com.android.internal.R.string.save_password_never, - new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - if (mResumeMsg != null) { - neverRemember.sendToTarget(); - mResumeMsg = null; - } - mSavePasswordDialog = null; - } - }) - .setOnDismissListener(new DialogInterface.OnDismissListener() { - @Override - public void onDismiss(DialogInterface dialog) { - if (mResumeMsg != null) { - resumeMsg.sendToTarget(); - mResumeMsg = null; - } - mSavePasswordDialog = null; - } - }).show(); - // Return true so that WebViewCore will pause while the dialog is - // up. - rVal = true; - } - return rVal; - } - - @Override - public void setScrollBarStyle(int style) { - if (style == View.SCROLLBARS_INSIDE_INSET - || style == View.SCROLLBARS_OUTSIDE_INSET) { - mOverlayHorizontalScrollbar = mOverlayVerticalScrollbar = false; - } else { - mOverlayHorizontalScrollbar = mOverlayVerticalScrollbar = true; - } - } - - /** - * See {@link WebView#setHorizontalScrollbarOverlay(boolean)} - */ - @Override - public void setHorizontalScrollbarOverlay(boolean overlay) { - mOverlayHorizontalScrollbar = overlay; - } - - /** - * See {@link WebView#setVerticalScrollbarOverlay(boolean) - */ - @Override - public void setVerticalScrollbarOverlay(boolean overlay) { - mOverlayVerticalScrollbar = overlay; - } - - /** - * See {@link WebView#overlayHorizontalScrollbar()} - */ - @Override - public boolean overlayHorizontalScrollbar() { - return mOverlayHorizontalScrollbar; - } - - /** - * See {@link WebView#overlayVerticalScrollbar()} - */ - @Override - public boolean overlayVerticalScrollbar() { - return mOverlayVerticalScrollbar; - } - - /* - * Return the width of the view where the content of WebView should render - * to. - * Note: this can be called from WebCoreThread. - */ - /* package */ int getViewWidth() { - if (!mWebView.isVerticalScrollBarEnabled() || mOverlayVerticalScrollbar) { - return getWidth(); - } else { - return Math.max(0, getWidth() - mWebView.getVerticalScrollbarWidth()); - } - } - - // Interface to enable the browser to override title bar handling. - public interface TitleBarDelegate { - int getTitleHeight(); - public void onSetEmbeddedTitleBar(final View title); - } - - /** - * Returns the height (in pixels) of the embedded title bar (if any). Does not care about - * scrolling - */ - protected int getTitleHeight() { - if (mWebView instanceof TitleBarDelegate) { - return ((TitleBarDelegate) mWebView).getTitleHeight(); - } - return 0; - } - - /** - * See {@link WebView#getVisibleTitleHeight()} - */ - @Override - @Deprecated - public int getVisibleTitleHeight() { - // Actually, this method returns the height of the embedded title bar if one is set via the - // hidden setEmbeddedTitleBar method. - return getVisibleTitleHeightImpl(); - } - - private int getVisibleTitleHeightImpl() { - // need to restrict mScrollY due to over scroll - return Math.max(getTitleHeight() - Math.max(0, getScrollY()), - getOverlappingActionModeHeight()); - } - - private int mCachedOverlappingActionModeHeight = -1; - - private int getOverlappingActionModeHeight() { - if (mFindCallback == null) { - return 0; - } - if (mCachedOverlappingActionModeHeight < 0) { - mWebView.getGlobalVisibleRect(mGlobalVisibleRect, mGlobalVisibleOffset); - mCachedOverlappingActionModeHeight = Math.max(0, - mFindCallback.getActionModeGlobalBottom() - mGlobalVisibleRect.top); - } - return mCachedOverlappingActionModeHeight; - } - - /* - * Return the height of the view where the content of WebView should render - * to. Note that this excludes mTitleBar, if there is one. - * Note: this can be called from WebCoreThread. - */ - /* package */ int getViewHeight() { - return getViewHeightWithTitle() - getVisibleTitleHeightImpl(); - } - - int getViewHeightWithTitle() { - int height = getHeight(); - if (mWebView.isHorizontalScrollBarEnabled() && !mOverlayHorizontalScrollbar) { - height -= mWebViewPrivate.getHorizontalScrollbarHeight(); - } - return height; - } - - /** - * See {@link WebView#getCertificate()} - */ - @Override - public SslCertificate getCertificate() { - return mCertificate; - } - - /** - * See {@link WebView#setCertificate(SslCertificate)} - */ - @Override - public void setCertificate(SslCertificate certificate) { - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "setCertificate=" + certificate); - } - // here, the certificate can be null (if the site is not secure) - mCertificate = certificate; - } - - //------------------------------------------------------------------------- - // Methods called by activity - //------------------------------------------------------------------------- - - /** - * See {@link WebView#savePassword(String, String, String)} - */ - @Override - public void savePassword(String host, String username, String password) { - mDatabase.setUsernamePassword(host, username, password); - } - - /** - * See {@link WebView#setHttpAuthUsernamePassword(String, String, String, String)} - */ - @Override - public void setHttpAuthUsernamePassword(String host, String realm, - String username, String password) { - mDatabase.setHttpAuthUsernamePassword(host, realm, username, password); - } - - /** - * See {@link WebView#getHttpAuthUsernamePassword(String, String)} - */ - @Override - public String[] getHttpAuthUsernamePassword(String host, String realm) { - return mDatabase.getHttpAuthUsernamePassword(host, realm); - } - - /** - * Remove Find or Select ActionModes, if active. - */ - private void clearActionModes() { - if (mSelectCallback != null) { - mSelectCallback.finish(); - } - if (mFindCallback != null) { - mFindCallback.finish(); - } - } - - /** - * Called to clear state when moving from one page to another, or changing - * in some other way that makes elements associated with the current page - * (such as ActionModes) no longer relevant. - */ - private void clearHelpers() { - hideSoftKeyboard(); - clearActionModes(); - dismissFullScreenMode(); - cancelDialogs(); - } - - private void cancelDialogs() { - if (mListBoxDialog != null) { - mListBoxDialog.cancel(); - mListBoxDialog = null; - } - if (mSavePasswordDialog != null) { - mSavePasswordDialog.dismiss(); - mSavePasswordDialog = null; - } - } - - /** - * See {@link WebView#destroy()} - */ - @Override - public void destroy() { - if (mWebView.getViewRootImpl() != null) { - Log.e(LOGTAG, Log.getStackTraceString( - new Throwable("Error: WebView.destroy() called while still attached!"))); - } - ensureFunctorDetached(); - destroyJava(); - destroyNative(); - } - - private void ensureFunctorDetached() { - if (mWebView.isHardwareAccelerated()) { - int drawGLFunction = nativeGetDrawGLFunction(mNativeClass); - ViewRootImpl viewRoot = mWebView.getViewRootImpl(); - if (drawGLFunction != 0 && viewRoot != null) { - viewRoot.detachFunctor(drawGLFunction); - } - } - } - - private void destroyJava() { - mCallbackProxy.blockMessages(); - if (mAccessibilityInjector != null) { - mAccessibilityInjector.destroy(); - mAccessibilityInjector = null; - } - if (mWebViewCore != null) { - // Tell WebViewCore to destroy itself - synchronized (this) { - WebViewCore webViewCore = mWebViewCore; - mWebViewCore = null; // prevent using partial webViewCore - webViewCore.destroy(); - } - // Remove any pending messages that might not be serviced yet. - mPrivateHandler.removeCallbacksAndMessages(null); - } - } - - private void destroyNative() { - if (mNativeClass == 0) return; - int nptr = mNativeClass; - mNativeClass = 0; - if (Thread.currentThread() == mPrivateHandler.getLooper().getThread()) { - // We are on the main thread and can safely delete - nativeDestroy(nptr); - } else { - mPrivateHandler.post(new DestroyNativeRunnable(nptr)); - } - } - - private static class DestroyNativeRunnable implements Runnable { - - private int mNativePtr; - - public DestroyNativeRunnable(int nativePtr) { - mNativePtr = nativePtr; - } - - @Override - public void run() { - // nativeDestroy also does a stopGL() - nativeDestroy(mNativePtr); - } - - } - - /** - * See {@link WebView#enablePlatformNotifications()} - */ - @Deprecated - public static void enablePlatformNotifications() { - synchronized (WebViewClassic.class) { - sNotificationsEnabled = true; - Context context = JniUtil.getContext(); - if (context != null) - setupProxyListener(context); - } - } - - /** - * See {@link WebView#disablePlatformNotifications()} - */ - @Deprecated - public static void disablePlatformNotifications() { - synchronized (WebViewClassic.class) { - sNotificationsEnabled = false; - Context context = JniUtil.getContext(); - if (context != null) - disableProxyListener(context); - } - } - - /** - * Sets JavaScript engine flags. - * - * @param flags JS engine flags in a String - * - * This is an implementation detail. - */ - public void setJsFlags(String flags) { - mWebViewCore.sendMessage(EventHub.SET_JS_FLAGS, flags); - } - - /** - * See {@link WebView#setNetworkAvailable(boolean)} - */ - @Override - public void setNetworkAvailable(boolean networkUp) { - mWebViewCore.sendMessage(EventHub.SET_NETWORK_STATE, - networkUp ? 1 : 0, 0); - } - - /** - * Inform WebView about the current network type. - */ - public void setNetworkType(String type, String subtype) { - Map<String, String> map = new HashMap<String, String>(); - map.put("type", type); - map.put("subtype", subtype); - mWebViewCore.sendMessage(EventHub.SET_NETWORK_TYPE, map); - } - - /** - * See {@link WebView#saveState(Bundle)} - */ - @Override - public WebBackForwardList saveState(Bundle outState) { - if (outState == null) { - return null; - } - // We grab a copy of the back/forward list because a client of WebView - // may have invalidated the history list by calling clearHistory. - WebBackForwardListClassic list = copyBackForwardList(); - final int currentIndex = list.getCurrentIndex(); - final int size = list.getSize(); - // We should fail saving the state if the list is empty or the index is - // not in a valid range. - if (currentIndex < 0 || currentIndex >= size || size == 0) { - return null; - } - outState.putInt("index", currentIndex); - // FIXME: This should just be a byte[][] instead of ArrayList but - // Parcel.java does not have the code to handle multi-dimensional - // arrays. - ArrayList<byte[]> history = new ArrayList<byte[]>(size); - for (int i = 0; i < size; i++) { - WebHistoryItemClassic item = list.getItemAtIndex(i); - if (null == item) { - // FIXME: this shouldn't happen - // need to determine how item got set to null - Log.w(LOGTAG, "saveState: Unexpected null history item."); - return null; - } - byte[] data = item.getFlattenedData(); - if (data == null) { - // It would be very odd to not have any data for a given history - // item. And we will fail to rebuild the history list without - // flattened data. - return null; - } - history.add(data); - } - outState.putSerializable("history", history); - if (mCertificate != null) { - outState.putBundle("certificate", - SslCertificate.saveState(mCertificate)); - } - outState.putBoolean("privateBrowsingEnabled", isPrivateBrowsingEnabled()); - mZoomManager.saveZoomState(outState); - return list; - } - - /** - * See {@link WebView#savePicture(Bundle, File)} - */ - @Override - @Deprecated - public boolean savePicture(Bundle b, final File dest) { - if (dest == null || b == null) { - return false; - } - final Picture p = capturePicture(); - // Use a temporary file while writing to ensure the destination file - // contains valid data. - final File temp = new File(dest.getPath() + ".writing"); - new Thread(new Runnable() { - @Override - public void run() { - FileOutputStream out = null; - try { - out = new FileOutputStream(temp); - p.writeToStream(out); - // Writing the picture succeeded, rename the temporary file - // to the destination. - temp.renameTo(dest); - } catch (Exception e) { - // too late to do anything about it. - } finally { - if (out != null) { - try { - out.close(); - } catch (Exception e) { - // Can't do anything about that - } - } - temp.delete(); - } - } - }).start(); - // now update the bundle - b.putInt("scrollX", getScrollX()); - b.putInt("scrollY", getScrollY()); - mZoomManager.saveZoomState(b); - return true; - } - - private void restoreHistoryPictureFields(Picture p, Bundle b) { - int sx = b.getInt("scrollX", 0); - int sy = b.getInt("scrollY", 0); - - mDrawHistory = true; - mHistoryPicture = p; - - setScrollXRaw(sx); - setScrollYRaw(sy); - mZoomManager.restoreZoomState(b); - final float scale = mZoomManager.getScale(); - mHistoryWidth = Math.round(p.getWidth() * scale); - mHistoryHeight = Math.round(p.getHeight() * scale); - - invalidate(); - } - - /** - * See {@link WebView#restorePicture(Bundle, File)}; - */ - @Override - @Deprecated - public boolean restorePicture(Bundle b, File src) { - if (src == null || b == null) { - return false; - } - if (!src.exists()) { - return false; - } - try { - final FileInputStream in = new FileInputStream(src); - final Bundle copy = new Bundle(b); - new Thread(new Runnable() { - @Override - public void run() { - try { - final Picture p = Picture.createFromStream(in); - if (p != null) { - // Post a runnable on the main thread to update the - // history picture fields. - mPrivateHandler.post(new Runnable() { - @Override - public void run() { - restoreHistoryPictureFields(p, copy); - } - }); - } - } finally { - try { - in.close(); - } catch (Exception e) { - // Nothing we can do now. - } - } - } - }).start(); - } catch (FileNotFoundException e){ - e.printStackTrace(); - } - return true; - } - - /** - * Saves the view data to the output stream. The output is highly - * version specific, and may not be able to be loaded by newer versions - * of WebView. - * @param stream The {@link OutputStream} to save to - * @param callback The {@link ValueCallback} to call with the result - */ - public void saveViewState(OutputStream stream, ValueCallback<Boolean> callback) { - if (mWebViewCore == null) { - callback.onReceiveValue(false); - return; - } - mWebViewCore.sendMessageAtFrontOfQueue(EventHub.SAVE_VIEW_STATE, - new WebViewCore.SaveViewStateRequest(stream, callback)); - } - - /** - * Loads the view data from the input stream. See - * {@link #saveViewState(java.io.OutputStream, ValueCallback)} for more information. - * @param stream The {@link InputStream} to load from - */ - public void loadViewState(InputStream stream) { - mBlockWebkitViewMessages = true; - new AsyncTask<InputStream, Void, DrawData>() { - - @Override - protected DrawData doInBackground(InputStream... params) { - try { - return ViewStateSerializer.deserializeViewState(params[0]); - } catch (IOException e) { - return null; - } - } - - @Override - protected void onPostExecute(DrawData draw) { - if (draw == null) { - Log.e(LOGTAG, "Failed to load view state!"); - return; - } - int viewWidth = getViewWidth(); - int viewHeight = getViewHeightWithTitle() - getTitleHeight(); - draw.mViewSize = new Point(viewWidth, viewHeight); - draw.mViewState.mDefaultScale = getDefaultZoomScale(); - mLoadedPicture = draw; - setNewPicture(mLoadedPicture, true); - mLoadedPicture.mViewState = null; - } - - }.execute(stream); - } - - /** - * Clears the view state set with {@link #loadViewState(InputStream)}. - * This WebView will then switch to showing the content from webkit - */ - public void clearViewState() { - mBlockWebkitViewMessages = false; - mLoadedPicture = null; - invalidate(); - } - - /** - * See {@link WebView#restoreState(Bundle)} - */ - @Override - public WebBackForwardList restoreState(Bundle inState) { - WebBackForwardListClassic returnList = null; - if (inState == null) { - return returnList; - } - if (inState.containsKey("index") && inState.containsKey("history")) { - mCertificate = SslCertificate.restoreState( - inState.getBundle("certificate")); - - final WebBackForwardListClassic list = mCallbackProxy.getBackForwardList(); - final int index = inState.getInt("index"); - // We can't use a clone of the list because we need to modify the - // shared copy, so synchronize instead to prevent concurrent - // modifications. - synchronized (list) { - final List<byte[]> history = - (List<byte[]>) inState.getSerializable("history"); - final int size = history.size(); - // Check the index bounds so we don't crash in native code while - // restoring the history index. - if (index < 0 || index >= size) { - return null; - } - for (int i = 0; i < size; i++) { - byte[] data = history.remove(0); - if (data == null) { - // If we somehow have null data, we cannot reconstruct - // the item and thus our history list cannot be rebuilt. - return null; - } - WebHistoryItem item = new WebHistoryItemClassic(data); - list.addHistoryItem(item); - } - // Grab the most recent copy to return to the caller. - returnList = copyBackForwardList(); - // Update the copy to have the correct index. - returnList.setCurrentIndex(index); - } - // Restore private browsing setting. - if (inState.getBoolean("privateBrowsingEnabled")) { - getSettings().setPrivateBrowsingEnabled(true); - } - mZoomManager.restoreZoomState(inState); - // Remove all pending messages because we are restoring previous - // state. - mWebViewCore.removeMessages(); - if (isAccessibilityInjectionEnabled()) { - getAccessibilityInjector().addAccessibilityApisIfNecessary(); - } - // Send a restore state message. - mWebViewCore.sendMessage(EventHub.RESTORE_STATE, index); - } - return returnList; - } - - /** - * See {@link WebView#loadUrl(String, Map)} - */ - @Override - public void loadUrl(String url, Map<String, String> additionalHttpHeaders) { - loadUrlImpl(url, additionalHttpHeaders); - } - - private void loadUrlImpl(String url, Map<String, String> extraHeaders) { - switchOutDrawHistory(); - WebViewCore.GetUrlData arg = new WebViewCore.GetUrlData(); - arg.mUrl = url; - arg.mExtraHeaders = extraHeaders; - mWebViewCore.sendMessage(EventHub.LOAD_URL, arg); - clearHelpers(); - } - - /** - * See {@link WebView#loadUrl(String)} - */ - @Override - public void loadUrl(String url) { - loadUrlImpl(url); - } - - private void loadUrlImpl(String url) { - if (url == null) { - return; - } - loadUrlImpl(url, null); - } - - /** - * See {@link WebView#postUrl(String, byte[])} - */ - @Override - public void postUrl(String url, byte[] postData) { - if (URLUtil.isNetworkUrl(url)) { - switchOutDrawHistory(); - WebViewCore.PostUrlData arg = new WebViewCore.PostUrlData(); - arg.mUrl = url; - arg.mPostData = postData; - mWebViewCore.sendMessage(EventHub.POST_URL, arg); - clearHelpers(); - } else { - loadUrlImpl(url); - } - } - - /** - * See {@link WebView#loadData(String, String, String)} - */ - @Override - public void loadData(String data, String mimeType, String encoding) { - loadDataImpl(data, mimeType, encoding); - } - - private void loadDataImpl(String data, String mimeType, String encoding) { - StringBuilder dataUrl = new StringBuilder("data:"); - dataUrl.append(mimeType); - if ("base64".equals(encoding)) { - dataUrl.append(";base64"); - } - dataUrl.append(","); - dataUrl.append(data); - loadUrlImpl(dataUrl.toString()); - } - - /** - * See {@link WebView#loadDataWithBaseURL(String, String, String, String, String)} - */ - @Override - public void loadDataWithBaseURL(String baseUrl, String data, - String mimeType, String encoding, String historyUrl) { - - if (baseUrl != null && baseUrl.toLowerCase().startsWith("data:")) { - loadDataImpl(data, mimeType, encoding); - return; - } - switchOutDrawHistory(); - WebViewCore.BaseUrlData arg = new WebViewCore.BaseUrlData(); - arg.mBaseUrl = baseUrl; - arg.mData = data; - arg.mMimeType = mimeType; - arg.mEncoding = encoding; - arg.mHistoryUrl = historyUrl; - mWebViewCore.sendMessage(EventHub.LOAD_DATA, arg); - clearHelpers(); - } - - /** - * See {@link WebView#saveWebArchive(String)} - */ - @Override - public void saveWebArchive(String filename) { - saveWebArchiveImpl(filename, false, null); - } - - /* package */ static class SaveWebArchiveMessage { - SaveWebArchiveMessage (String basename, boolean autoname, ValueCallback<String> callback) { - mBasename = basename; - mAutoname = autoname; - mCallback = callback; - } - - /* package */ final String mBasename; - /* package */ final boolean mAutoname; - /* package */ final ValueCallback<String> mCallback; - /* package */ String mResultFile; - } - - /** - * See {@link WebView#saveWebArchive(String, boolean, ValueCallback)} - */ - @Override - public void saveWebArchive(String basename, boolean autoname, ValueCallback<String> callback) { - saveWebArchiveImpl(basename, autoname, callback); - } - - private void saveWebArchiveImpl(String basename, boolean autoname, - ValueCallback<String> callback) { - mWebViewCore.sendMessage(EventHub.SAVE_WEBARCHIVE, - new SaveWebArchiveMessage(basename, autoname, callback)); - } - - /** - * See {@link WebView#stopLoading()} - */ - @Override - public void stopLoading() { - // TODO: should we clear all the messages in the queue before sending - // STOP_LOADING? - switchOutDrawHistory(); - mWebViewCore.sendMessage(EventHub.STOP_LOADING); - } - - /** - * See {@link WebView#reload()} - */ - @Override - public void reload() { - clearHelpers(); - switchOutDrawHistory(); - mWebViewCore.sendMessage(EventHub.RELOAD); - } - - /** - * See {@link WebView#canGoBack()} - */ - @Override - public boolean canGoBack() { - WebBackForwardListClassic l = mCallbackProxy.getBackForwardList(); - synchronized (l) { - if (l.getClearPending()) { - return false; - } else { - return l.getCurrentIndex() > 0; - } - } - } - - /** - * See {@link WebView#goBack()} - */ - @Override - public void goBack() { - goBackOrForwardImpl(-1); - } - - /** - * See {@link WebView#canGoForward()} - */ - @Override - public boolean canGoForward() { - WebBackForwardListClassic l = mCallbackProxy.getBackForwardList(); - synchronized (l) { - if (l.getClearPending()) { - return false; - } else { - return l.getCurrentIndex() < l.getSize() - 1; - } - } - } - - /** - * See {@link WebView#goForward()} - */ - @Override - public void goForward() { - goBackOrForwardImpl(1); - } - - /** - * See {@link WebView#canGoBackOrForward(int)} - */ - @Override - public boolean canGoBackOrForward(int steps) { - WebBackForwardListClassic l = mCallbackProxy.getBackForwardList(); - synchronized (l) { - if (l.getClearPending()) { - return false; - } else { - int newIndex = l.getCurrentIndex() + steps; - return newIndex >= 0 && newIndex < l.getSize(); - } - } - } - - /** - * See {@link WebView#goBackOrForward(int)} - */ - @Override - public void goBackOrForward(int steps) { - goBackOrForwardImpl(steps); - } - - private void goBackOrForwardImpl(int steps) { - goBackOrForward(steps, false); - } - - private void goBackOrForward(int steps, boolean ignoreSnapshot) { - if (steps != 0) { - clearHelpers(); - mWebViewCore.sendMessage(EventHub.GO_BACK_FORWARD, steps, - ignoreSnapshot ? 1 : 0); - } - } - - /** - * See {@link WebView#isPrivateBrowsingEnabled()} - */ - @Override - public boolean isPrivateBrowsingEnabled() { - WebSettingsClassic settings = getSettings(); - return (settings != null) ? settings.isPrivateBrowsingEnabled() : false; - } - - private void startPrivateBrowsing() { - getSettings().setPrivateBrowsingEnabled(true); - } - - private boolean extendScroll(int y) { - int finalY = mScroller.getFinalY(); - int newY = pinLocY(finalY + y); - if (newY == finalY) return false; - mScroller.setFinalY(newY); - mScroller.extendDuration(computeDuration(0, y)); - return true; - } - - /** - * See {@link WebView#pageUp(boolean)} - */ - @Override - public boolean pageUp(boolean top) { - if (mNativeClass == 0) { - return false; - } - if (top) { - // go to the top of the document - return pinScrollTo(getScrollX(), 0, true, 0); - } - // Page up - int h = getHeight(); - int y; - if (h > 2 * PAGE_SCROLL_OVERLAP) { - y = -h + PAGE_SCROLL_OVERLAP; - } else { - y = -h / 2; - } - return mScroller.isFinished() ? pinScrollBy(0, y, true, 0) - : extendScroll(y); - } - - /** - * See {@link WebView#pageDown(boolean)} - */ - @Override - public boolean pageDown(boolean bottom) { - if (mNativeClass == 0) { - return false; - } - if (bottom) { - return pinScrollTo(getScrollX(), computeRealVerticalScrollRange(), true, 0); - } - // Page down. - int h = getHeight(); - int y; - if (h > 2 * PAGE_SCROLL_OVERLAP) { - y = h - PAGE_SCROLL_OVERLAP; - } else { - y = h / 2; - } - return mScroller.isFinished() ? pinScrollBy(0, y, true, 0) - : extendScroll(y); - } - - /** - * See {@link WebView#clearView()} - */ - @Override - public void clearView() { - mContentWidth = 0; - mContentHeight = 0; - setBaseLayer(0, false, false); - mWebViewCore.sendMessage(EventHub.CLEAR_CONTENT); - } - - /** - * See {@link WebView#capturePicture()} - */ - @Override - public Picture capturePicture() { - if (mNativeClass == 0) return null; - Picture result = new Picture(); - nativeCopyBaseContentToPicture(result); - return result; - } - - /** - * See {@link WebView#getScale()} - */ - @Override - public float getScale() { - return mZoomManager.getScale(); - } - - /** - * Compute the reading level scale of the WebView - * @param scale The current scale. - * @return The reading level scale. - */ - /*package*/ float computeReadingLevelScale(float scale) { - return mZoomManager.computeReadingLevelScale(scale); - } - - /** - * See {@link WebView#setInitialScale(int)} - */ - @Override - public void setInitialScale(int scaleInPercent) { - mZoomManager.setInitialScaleInPercent(scaleInPercent); - } - - /** - * See {@link WebView#invokeZoomPicker()} - */ - @Override - public void invokeZoomPicker() { - if (!getSettings().supportZoom()) { - Log.w(LOGTAG, "This WebView doesn't support zoom."); - return; - } - clearHelpers(); - mZoomManager.invokeZoomPicker(); - } - - /** - * See {@link WebView#getHitTestResult()} - */ - @Override - public HitTestResult getHitTestResult() { - return mInitialHitTestResult; - } - - // No left edge for double-tap zoom alignment - static final int NO_LEFTEDGE = -1; - - int getBlockLeftEdge(int x, int y, float readingScale) { - float invReadingScale = 1.0f / readingScale; - int readingWidth = (int) (getViewWidth() * invReadingScale); - int left = NO_LEFTEDGE; - if (mFocusedNode != null) { - final int length = mFocusedNode.mEnclosingParentRects.length; - for (int i = 0; i < length; i++) { - Rect rect = mFocusedNode.mEnclosingParentRects[i]; - if (rect.width() < mFocusedNode.mHitTestSlop) { - // ignore bounding boxes that are too small - continue; - } else if (rect.width() > readingWidth) { - // stop when bounding box doesn't fit the screen width - // at reading scale - break; - } - - left = rect.left; - } - } - - return left; - } - - /** - * See {@link WebView#requestFocusNodeHref(Message)} - */ - @Override - public void requestFocusNodeHref(Message hrefMsg) { - if (hrefMsg == null) { - return; - } - int contentX = viewToContentX(mLastTouchX + getScrollX()); - int contentY = viewToContentY(mLastTouchY + getScrollY()); - if (mFocusedNode != null && mFocusedNode.mHitTestX == contentX - && mFocusedNode.mHitTestY == contentY) { - hrefMsg.getData().putString(FocusNodeHref.URL, mFocusedNode.mLinkUrl); - hrefMsg.getData().putString(FocusNodeHref.TITLE, mFocusedNode.mAnchorText); - hrefMsg.getData().putString(FocusNodeHref.SRC, mFocusedNode.mImageUrl); - hrefMsg.sendToTarget(); - return; - } - mWebViewCore.sendMessage(EventHub.REQUEST_CURSOR_HREF, - contentX, contentY, hrefMsg); - } - - /** - * See {@link WebView#requestImageRef(Message)} - */ - @Override - public void requestImageRef(Message msg) { - if (0 == mNativeClass) return; // client isn't initialized - String url = mFocusedNode != null ? mFocusedNode.mImageUrl : null; - Bundle data = msg.getData(); - data.putString("url", url); - msg.setData(data); - msg.sendToTarget(); - } - - static int pinLoc(int x, int viewMax, int docMax) { -// Log.d(LOGTAG, "-- pinLoc " + x + " " + viewMax + " " + docMax); - if (docMax < viewMax) { // the doc has room on the sides for "blank" - // pin the short document to the top/left of the screen - x = 0; -// Log.d(LOGTAG, "--- center " + x); - } else if (x < 0) { - x = 0; -// Log.d(LOGTAG, "--- zero"); - } else if (x + viewMax > docMax) { - x = docMax - viewMax; -// Log.d(LOGTAG, "--- pin " + x); - } - return x; - } - - // Expects x in view coordinates - int pinLocX(int x) { - if (mInOverScrollMode) return x; - return pinLoc(x, getViewWidth(), computeRealHorizontalScrollRange()); - } - - // Expects y in view coordinates - int pinLocY(int y) { - if (mInOverScrollMode) return y; - return pinLoc(y, getViewHeightWithTitle(), - computeRealVerticalScrollRange() + getTitleHeight()); - } - - /** - * Given a distance in view space, convert it to content space. Note: this - * does not reflect translation, just scaling, so this should not be called - * with coordinates, but should be called for dimensions like width or - * height. - */ - private int viewToContentDimension(int d) { - return Math.round(d * mZoomManager.getInvScale()); - } - - /** - * Given an x coordinate in view space, convert it to content space. Also - * may be used for absolute heights. - */ - /*package*/ int viewToContentX(int x) { - return viewToContentDimension(x); - } - - /** - * Given a y coordinate in view space, convert it to content space. - * Takes into account the height of the title bar if there is one - * embedded into the WebView. - */ - /*package*/ int viewToContentY(int y) { - return viewToContentDimension(y - getTitleHeight()); - } - - /** - * Given a x coordinate in view space, convert it to content space. - * Returns the result as a float. - */ - private float viewToContentXf(int x) { - return x * mZoomManager.getInvScale(); - } - - /** - * Given a y coordinate in view space, convert it to content space. - * Takes into account the height of the title bar if there is one - * embedded into the WebView. Returns the result as a float. - */ - private float viewToContentYf(int y) { - return (y - getTitleHeight()) * mZoomManager.getInvScale(); - } - - /** - * Given a distance in content space, convert it to view space. Note: this - * does not reflect translation, just scaling, so this should not be called - * with coordinates, but should be called for dimensions like width or - * height. - */ - /*package*/ int contentToViewDimension(int d) { - return Math.round(d * mZoomManager.getScale()); - } - - /** - * Given an x coordinate in content space, convert it to view - * space. - */ - /*package*/ int contentToViewX(int x) { - return contentToViewDimension(x); - } - - /** - * Given a y coordinate in content space, convert it to view - * space. Takes into account the height of the title bar. - */ - /*package*/ int contentToViewY(int y) { - return contentToViewDimension(y) + getTitleHeight(); - } - - private Rect contentToViewRect(Rect x) { - return new Rect(contentToViewX(x.left), contentToViewY(x.top), - contentToViewX(x.right), contentToViewY(x.bottom)); - } - - /* To invalidate a rectangle in content coordinates, we need to transform - the rect into view coordinates, so we can then call invalidate(...). - - Normally, we would just call contentToView[XY](...), which eventually - calls Math.round(coordinate * mActualScale). However, for invalidates, - we need to account for the slop that occurs with antialiasing. To - address that, we are a little more liberal in the size of the rect that - we invalidate. - - This liberal calculation calls floor() for the top/left, and ceil() for - the bottom/right coordinates. This catches the possible extra pixels of - antialiasing that we might have missed with just round(). - */ - - // Called by JNI to invalidate the View, given rectangle coordinates in - // content space - private void viewInvalidate(int l, int t, int r, int b) { - final float scale = mZoomManager.getScale(); - final int dy = getTitleHeight(); - mWebView.invalidate((int)Math.floor(l * scale), - (int)Math.floor(t * scale) + dy, - (int)Math.ceil(r * scale), - (int)Math.ceil(b * scale) + dy); - } - - // Called by JNI to invalidate the View after a delay, given rectangle - // coordinates in content space - private void viewInvalidateDelayed(long delay, int l, int t, int r, int b) { - final float scale = mZoomManager.getScale(); - final int dy = getTitleHeight(); - mWebView.postInvalidateDelayed(delay, - (int)Math.floor(l * scale), - (int)Math.floor(t * scale) + dy, - (int)Math.ceil(r * scale), - (int)Math.ceil(b * scale) + dy); - } - - private void invalidateContentRect(Rect r) { - viewInvalidate(r.left, r.top, r.right, r.bottom); - } - - // stop the scroll animation, and don't let a subsequent fling add - // to the existing velocity - private void abortAnimation() { - mScroller.abortAnimation(); - mLastVelocity = 0; - } - - /* call from webcoreview.draw(), so we're still executing in the UI thread - */ - private void recordNewContentSize(int w, int h, boolean updateLayout) { - - // premature data from webkit, ignore - if ((w | h) == 0) { - invalidate(); - return; - } - - // don't abort a scroll animation if we didn't change anything - if (mContentWidth != w || mContentHeight != h) { - // record new dimensions - mContentWidth = w; - mContentHeight = h; - // If history Picture is drawn, don't update scroll. They will be - // updated when we get out of that mode. - if (!mDrawHistory) { - // repin our scroll, taking into account the new content size - updateScrollCoordinates(pinLocX(getScrollX()), pinLocY(getScrollY())); - if (!mScroller.isFinished()) { - // We are in the middle of a scroll. Repin the final scroll - // position. - mScroller.setFinalX(pinLocX(mScroller.getFinalX())); - mScroller.setFinalY(pinLocY(mScroller.getFinalY())); - } - } - invalidate(); - } - contentSizeChanged(updateLayout); - } - - // Used to avoid sending many visible rect messages. - private Rect mLastVisibleRectSent = new Rect(); - private Rect mLastGlobalRect = new Rect(); - private Rect mVisibleRect = new Rect(); - private Rect mGlobalVisibleRect = new Rect(); - private Point mScrollOffset = new Point(); - - Rect sendOurVisibleRect() { - if (mZoomManager.isPreventingWebkitUpdates()) return mLastVisibleRectSent; - calcOurContentVisibleRect(mVisibleRect); - // Rect.equals() checks for null input. - if (!mVisibleRect.equals(mLastVisibleRectSent)) { - if (!mBlockWebkitViewMessages) { - mScrollOffset.set(mVisibleRect.left, mVisibleRect.top); - mWebViewCore.removeMessages(EventHub.SET_SCROLL_OFFSET); - mWebViewCore.sendMessage(EventHub.SET_SCROLL_OFFSET, - mSendScrollEvent ? 1 : 0, mScrollOffset); - } - mLastVisibleRectSent.set(mVisibleRect); - mPrivateHandler.removeMessages(SWITCH_TO_LONGPRESS); - } - if (mWebView.getGlobalVisibleRect(mGlobalVisibleRect) - && !mGlobalVisibleRect.equals(mLastGlobalRect)) { - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "sendOurVisibleRect=(" + mGlobalVisibleRect.left + "," - + mGlobalVisibleRect.top + ",r=" + mGlobalVisibleRect.right + ",b=" - + mGlobalVisibleRect.bottom); - } - // TODO: the global offset is only used by windowRect() - // in ChromeClientAndroid ; other clients such as touch - // and mouse events could return view + screen relative points. - if (!mBlockWebkitViewMessages) { - mWebViewCore.sendMessage(EventHub.SET_GLOBAL_BOUNDS, mGlobalVisibleRect); - } - mLastGlobalRect.set(mGlobalVisibleRect); - } - return mVisibleRect; - } - - private Point mGlobalVisibleOffset = new Point(); - // Sets r to be the visible rectangle of our webview in view coordinates - private void calcOurVisibleRect(Rect r) { - mWebView.getGlobalVisibleRect(r, mGlobalVisibleOffset); - r.offset(-mGlobalVisibleOffset.x, -mGlobalVisibleOffset.y); - } - - // Sets r to be our visible rectangle in content coordinates - private void calcOurContentVisibleRect(Rect r) { - calcOurVisibleRect(r); - r.left = viewToContentX(r.left); - // viewToContentY will remove the total height of the title bar. Add - // the visible height back in to account for the fact that if the title - // bar is partially visible, the part of the visible rect which is - // displaying our content is displaced by that amount. - r.top = viewToContentY(r.top + getVisibleTitleHeightImpl()); - r.right = viewToContentX(r.right); - r.bottom = viewToContentY(r.bottom); - } - - private final Rect mTempContentVisibleRect = new Rect(); - // Sets r to be our visible rectangle in content coordinates. We use this - // method on the native side to compute the position of the fixed layers. - // Uses floating coordinates (necessary to correctly place elements when - // the scale factor is not 1) - private void calcOurContentVisibleRectF(RectF r) { - calcOurVisibleRect(mTempContentVisibleRect); - viewToContentVisibleRect(r, mTempContentVisibleRect); - } - - static class ViewSizeData { - int mWidth; - int mHeight; - float mHeightWidthRatio; - int mActualViewHeight; - int mTextWrapWidth; - int mAnchorX; - int mAnchorY; - float mScale; - boolean mIgnoreHeight; - } - - /** - * Compute unzoomed width and height, and if they differ from the last - * values we sent, send them to webkit (to be used as new viewport) - * - * @param force ensures that the message is sent to webkit even if the width - * or height has not changed since the last message - * - * @return true if new values were sent - */ - boolean sendViewSizeZoom(boolean force) { - if (mBlockWebkitViewMessages) return false; - if (mZoomManager.isPreventingWebkitUpdates()) return false; - - int viewWidth = getViewWidth(); - int newWidth = Math.round(viewWidth * mZoomManager.getInvScale()); - // This height could be fixed and be different from actual visible height. - int viewHeight = getViewHeightWithTitle() - getTitleHeight(); - int newHeight = Math.round(viewHeight * mZoomManager.getInvScale()); - // Make the ratio more accurate than (newHeight / newWidth), since the - // latter both are calculated and rounded. - float heightWidthRatio = (float) viewHeight / viewWidth; - /* - * Because the native side may have already done a layout before the - * View system was able to measure us, we have to send a height of 0 to - * remove excess whitespace when we grow our width. This will trigger a - * layout and a change in content size. This content size change will - * mean that contentSizeChanged will either call this method directly or - * indirectly from onSizeChanged. - */ - if (newWidth > mLastWidthSent && mWrapContent) { - newHeight = 0; - heightWidthRatio = 0; - } - // Actual visible content height. - int actualViewHeight = Math.round(getViewHeight() * mZoomManager.getInvScale()); - // Avoid sending another message if the dimensions have not changed. - if (newWidth != mLastWidthSent || newHeight != mLastHeightSent || force || - actualViewHeight != mLastActualHeightSent) { - ViewSizeData data = new ViewSizeData(); - data.mWidth = newWidth; - data.mHeight = newHeight; - data.mHeightWidthRatio = heightWidthRatio; - data.mActualViewHeight = actualViewHeight; - data.mTextWrapWidth = Math.round(viewWidth / mZoomManager.getTextWrapScale()); - data.mScale = mZoomManager.getScale(); - data.mIgnoreHeight = mZoomManager.isFixedLengthAnimationInProgress() - && !mHeightCanMeasure; - data.mAnchorX = mZoomManager.getDocumentAnchorX(); - data.mAnchorY = mZoomManager.getDocumentAnchorY(); - mWebViewCore.sendMessage(EventHub.VIEW_SIZE_CHANGED, data); - mLastWidthSent = newWidth; - mLastHeightSent = newHeight; - mLastActualHeightSent = actualViewHeight; - mZoomManager.clearDocumentAnchor(); - return true; - } - return false; - } - - /** - * Update the double-tap zoom. - */ - /* package */ void updateDoubleTapZoom(int doubleTapZoom) { - mZoomManager.updateDoubleTapZoom(doubleTapZoom); - } - - private int computeRealHorizontalScrollRange() { - if (mDrawHistory) { - return mHistoryWidth; - } else { - // to avoid rounding error caused unnecessary scrollbar, use floor - return (int) Math.floor(mContentWidth * mZoomManager.getScale()); - } - } - - @Override - public int computeHorizontalScrollRange() { - int range = computeRealHorizontalScrollRange(); - - // Adjust reported range if overscrolled to compress the scroll bars - final int scrollX = getScrollX(); - final int overscrollRight = computeMaxScrollX(); - if (scrollX < 0) { - range -= scrollX; - } else if (scrollX > overscrollRight) { - range += scrollX - overscrollRight; - } - - return range; - } - - @Override - public int computeHorizontalScrollOffset() { - return Math.max(getScrollX(), 0); - } - - private int computeRealVerticalScrollRange() { - if (mDrawHistory) { - return mHistoryHeight; - } else { - // to avoid rounding error caused unnecessary scrollbar, use floor - return (int) Math.floor(mContentHeight * mZoomManager.getScale()); - } - } - - @Override - public int computeVerticalScrollRange() { - int range = computeRealVerticalScrollRange(); - - // Adjust reported range if overscrolled to compress the scroll bars - final int scrollY = getScrollY(); - final int overscrollBottom = computeMaxScrollY(); - if (scrollY < 0) { - range -= scrollY; - } else if (scrollY > overscrollBottom) { - range += scrollY - overscrollBottom; - } - - return range; - } - - @Override - public int computeVerticalScrollOffset() { - return Math.max(getScrollY() - getTitleHeight(), 0); - } - - @Override - public int computeVerticalScrollExtent() { - return getViewHeight(); - } - - @Override - public void onDrawVerticalScrollBar(Canvas canvas, - Drawable scrollBar, - int l, int t, int r, int b) { - if (getScrollY() < 0) { - t -= getScrollY(); - } - scrollBar.setBounds(l, t + getVisibleTitleHeightImpl(), r, b); - scrollBar.draw(canvas); - } - - @Override - public void onOverScrolled(int scrollX, int scrollY, boolean clampedX, - boolean clampedY) { - // Special-case layer scrolling so that we do not trigger normal scroll - // updating. - if (mTouchMode == TOUCH_DRAG_TEXT_MODE) { - scrollEditText(scrollX, scrollY); - return; - } - if (mTouchMode == TOUCH_DRAG_LAYER_MODE) { - scrollLayerTo(scrollX, scrollY); - animateHandles(); - return; - } - mInOverScrollMode = false; - int maxX = computeMaxScrollX(); - int maxY = computeMaxScrollY(); - if (maxX == 0) { - // do not over scroll x if the page just fits the screen - scrollX = pinLocX(scrollX); - } else if (scrollX < 0 || scrollX > maxX) { - mInOverScrollMode = true; - } - if (scrollY < 0 || scrollY > maxY) { - mInOverScrollMode = true; - } - - int oldX = getScrollX(); - int oldY = getScrollY(); - - mWebViewPrivate.super_scrollTo(scrollX, scrollY); - - animateHandles(); - - if (mOverScrollGlow != null) { - mOverScrollGlow.pullGlow(getScrollX(), getScrollY(), oldX, oldY, maxX, maxY); - } - } - - /** - * See {@link WebView#getUrl()} - */ - @Override - public String getUrl() { - WebHistoryItem h = mCallbackProxy.getBackForwardList().getCurrentItem(); - return h != null ? h.getUrl() : null; - } - - /** - * See {@link WebView#getOriginalUrl()} - */ - @Override - public String getOriginalUrl() { - WebHistoryItem h = mCallbackProxy.getBackForwardList().getCurrentItem(); - return h != null ? h.getOriginalUrl() : null; - } - - /** - * See {@link WebView#getTitle()} - */ - @Override - public String getTitle() { - WebHistoryItem h = mCallbackProxy.getBackForwardList().getCurrentItem(); - return h != null ? h.getTitle() : null; - } - - /** - * See {@link WebView#getFavicon()} - */ - @Override - public Bitmap getFavicon() { - WebHistoryItem h = mCallbackProxy.getBackForwardList().getCurrentItem(); - return h != null ? h.getFavicon() : null; - } - - /** - * See {@link WebView#getTouchIconUrl()} - */ - @Override - public String getTouchIconUrl() { - WebHistoryItemClassic h = mCallbackProxy.getBackForwardList().getCurrentItem(); - return h != null ? h.getTouchIconUrl() : null; - } - - /** - * See {@link WebView#getProgress()} - */ - @Override - public int getProgress() { - return mCallbackProxy.getProgress(); - } - - /** - * See {@link WebView#getContentHeight()} - */ - @Override - public int getContentHeight() { - return mContentHeight; - } - - /** - * See {@link WebView#getContentWidth()} - */ - @Override - public int getContentWidth() { - return mContentWidth; - } - - public int getPageBackgroundColor() { - if (mNativeClass == 0) return Color.WHITE; - return nativeGetBackgroundColor(mNativeClass); - } - - /** - * See {@link WebView#pauseTimers()} - */ - @Override - public void pauseTimers() { - mWebViewCore.sendMessage(EventHub.PAUSE_TIMERS); - } - - /** - * See {@link WebView#resumeTimers()} - */ - @Override - public void resumeTimers() { - mWebViewCore.sendMessage(EventHub.RESUME_TIMERS); - } - - /** - * See {@link WebView#onPause()} - */ - @Override - public void onPause() { - if (!mIsPaused) { - mIsPaused = true; - mWebViewCore.sendMessage(EventHub.ON_PAUSE); - // We want to pause the current playing video when switching out - // from the current WebView/tab. - if (mHTML5VideoViewProxy != null) { - mHTML5VideoViewProxy.pauseAndDispatch(); - } - if (mNativeClass != 0) { - nativeSetPauseDrawing(mNativeClass, true); - } - - cancelDialogs(); - WebCoreThreadWatchdog.pause(); - } - } - - @Override - public void onWindowVisibilityChanged(int visibility) { - updateDrawingState(); - } - - void updateDrawingState() { - if (mNativeClass == 0 || mIsPaused) return; - if (mWebView.getWindowVisibility() != View.VISIBLE) { - nativeSetPauseDrawing(mNativeClass, true); - } else if (mWebView.getVisibility() != View.VISIBLE) { - nativeSetPauseDrawing(mNativeClass, true); - } else { - nativeSetPauseDrawing(mNativeClass, false); - } - } - - /** - * See {@link WebView#onResume()} - */ - @Override - public void onResume() { - if (mIsPaused) { - mIsPaused = false; - mWebViewCore.sendMessage(EventHub.ON_RESUME); - if (mNativeClass != 0) { - nativeSetPauseDrawing(mNativeClass, false); - } - } - // We get a call to onResume for new WebViews (i.e. mIsPaused will be false). We need - // to ensure that the Watchdog thread is running for the new WebView, so call - // it outside the if block above. - WebCoreThreadWatchdog.resume(); - } - - /** - * See {@link WebView#isPaused()} - */ - @Override - public boolean isPaused() { - return mIsPaused; - } - - /** - * See {@link WebView#freeMemory()} - */ - @Override - public void freeMemory() { - mWebViewCore.sendMessage(EventHub.FREE_MEMORY); - } - - /** - * See {@link WebView#clearCache(boolean)} - */ - @Override - public void clearCache(boolean includeDiskFiles) { - // Note: this really needs to be a static method as it clears cache for all - // WebView. But we need mWebViewCore to send message to WebCore thread, so - // we can't make this static. - mWebViewCore.sendMessage(EventHub.CLEAR_CACHE, - includeDiskFiles ? 1 : 0, 0); - } - - /** - * See {@link WebView#clearFormData()} - */ - @Override - public void clearFormData() { - if (mAutoCompletePopup != null) { - mAutoCompletePopup.clearAdapter(); - } - } - - /** - * See {@link WebView#clearHistory()} - */ - @Override - public void clearHistory() { - mCallbackProxy.getBackForwardList().setClearPending(); - mWebViewCore.sendMessage(EventHub.CLEAR_HISTORY); - } - - /** - * See {@link WebView#clearSslPreferences()} - */ - @Override - public void clearSslPreferences() { - mWebViewCore.sendMessage(EventHub.CLEAR_SSL_PREF_TABLE); - } - - /** - * See {@link WebView#copyBackForwardList()} - */ - @Override - public WebBackForwardListClassic copyBackForwardList() { - return mCallbackProxy.getBackForwardList().clone(); - } - - /** - * See {@link WebView#setFindListener(WebView.FindListener)}. - * @hide - */ - @Override - public void setFindListener(WebView.FindListener listener) { - mFindListener = listener; - } - - /** - * See {@link WebView#findNext(boolean)} - */ - @Override - public void findNext(boolean forward) { - if (0 == mNativeClass) return; // client isn't initialized - if (mFindRequest != null) { - mWebViewCore.sendMessage(EventHub.FIND_NEXT, forward ? 1 : 0, mFindRequest); - } - } - - /** - * See {@link WebView#findAll(String)} - */ - @Override - public int findAll(String find) { - return findAllBody(find, false); - } - - @Override - public void findAllAsync(String find) { - findAllBody(find, true); - } - - private int findAllBody(String find, boolean isAsync) { - if (0 == mNativeClass) return 0; // client isn't initialized - mFindRequest = null; - if (find == null) return 0; - mWebViewCore.removeMessages(EventHub.FIND_ALL); - mFindRequest = new WebViewCore.FindAllRequest(find); - if (isAsync) { - mWebViewCore.sendMessage(EventHub.FIND_ALL, mFindRequest); - return 0; // no need to wait for response - } - synchronized(mFindRequest) { - try { - mWebViewCore.sendMessageAtFrontOfQueue(EventHub.FIND_ALL, mFindRequest); - while (mFindRequest.mMatchCount == -1) { - mFindRequest.wait(); - } - } - catch (InterruptedException e) { - return 0; - } - return mFindRequest.mMatchCount; - } - } - - /** - * Start an ActionMode for finding text in this WebView. Only works if this - * WebView is attached to the view system. - * @param text If non-null, will be the initial text to search for. - * Otherwise, the last String searched for in this WebView will - * be used to start. - * @param showIme If true, show the IME, assuming the user will begin typing. - * If false and text is non-null, perform a find all. - * @return boolean True if the find dialog is shown, false otherwise. - */ - @Override - public boolean showFindDialog(String text, boolean showIme) { - FindActionModeCallback callback = new FindActionModeCallback(mContext); - if (mWebView.getParent() == null || mWebView.startActionMode(callback) == null) { - // Could not start the action mode, so end Find on page - return false; - } - mCachedOverlappingActionModeHeight = -1; - mFindCallback = callback; - setFindIsUp(true); - mFindCallback.setWebView(getWebView()); - if (showIme) { - mFindCallback.showSoftInput(); - } else if (text != null) { - mFindCallback.setText(text); - mFindCallback.findAll(); - return true; - } - if (text == null) { - text = mFindRequest == null ? null : mFindRequest.mSearchText; - } - if (text != null) { - mFindCallback.setText(text); - mFindCallback.findAll(); - } - return true; - } - - /** - * Keep track of the find callback so that we can remove its titlebar if - * necessary. - */ - private FindActionModeCallback mFindCallback; - - /** - * Toggle whether the find dialog is showing, for both native and Java. - */ - private void setFindIsUp(boolean isUp) { - mFindIsUp = isUp; - } - - // Used to know whether the find dialog is open. Affects whether - // or not we draw the highlights for matches. - private boolean mFindIsUp; - - // Keep track of the last find request sent. - private WebViewCore.FindAllRequest mFindRequest = null; - - /** - * Return the first substring consisting of the address of a physical - * location. Currently, only addresses in the United States are detected, - * and consist of: - * - a house number - * - a street name - * - a street type (Road, Circle, etc), either spelled out or abbreviated - * - a city name - * - a state or territory, either spelled out or two-letter abbr. - * - an optional 5 digit or 9 digit zip code. - * - * All names must be correctly capitalized, and the zip code, if present, - * must be valid for the state. The street type must be a standard USPS - * spelling or abbreviation. The state or territory must also be spelled - * or abbreviated using USPS standards. The house number may not exceed - * five digits. - * @param addr The string to search for addresses. - * - * @return the address, or if no address is found, return null. - */ - public static String findAddress(String addr) { - return findAddress(addr, false); - } - - /** - * Return the first substring consisting of the address of a physical - * location. Currently, only addresses in the United States are detected, - * and consist of: - * - a house number - * - a street name - * - a street type (Road, Circle, etc), either spelled out or abbreviated - * - a city name - * - a state or territory, either spelled out or two-letter abbr. - * - an optional 5 digit or 9 digit zip code. - * - * Names are optionally capitalized, and the zip code, if present, - * must be valid for the state. The street type must be a standard USPS - * spelling or abbreviation. The state or territory must also be spelled - * or abbreviated using USPS standards. The house number may not exceed - * five digits. - * @param addr The string to search for addresses. - * @param caseInsensitive addr Set to true to make search ignore case. - * - * @return the address, or if no address is found, return null. - */ - public static String findAddress(String addr, boolean caseInsensitive) { - return WebViewCore.nativeFindAddress(addr, caseInsensitive); - } - - /** - * See {@link WebView#clearMatches()} - */ - @Override - public void clearMatches() { - if (mNativeClass == 0) - return; - mWebViewCore.removeMessages(EventHub.FIND_ALL); - mWebViewCore.sendMessage(EventHub.FIND_ALL, null); - } - - - /** - * Called when the find ActionMode ends. - */ - @Override - public void notifyFindDialogDismissed() { - mFindCallback = null; - mCachedOverlappingActionModeHeight = -1; - if (mWebViewCore == null) { - return; - } - clearMatches(); - setFindIsUp(false); - // Now that the dialog has been removed, ensure that we scroll to a - // location that is not beyond the end of the page. - pinScrollTo(getScrollX(), getScrollY(), false, 0); - invalidate(); - } - - /** - * See {@link WebView#documentHasImages(Message)} - */ - @Override - public void documentHasImages(Message response) { - if (response == null) { - return; - } - mWebViewCore.sendMessage(EventHub.DOC_HAS_IMAGES, response); - } - - /** - * Request the scroller to abort any ongoing animation - */ - public void stopScroll() { - mScroller.forceFinished(true); - mLastVelocity = 0; - } - - @Override - public void computeScroll() { - if (mScroller.computeScrollOffset()) { - int oldX = getScrollX(); - int oldY = getScrollY(); - int x = mScroller.getCurrX(); - int y = mScroller.getCurrY(); - invalidate(); // So we draw again - - if (!mScroller.isFinished()) { - int rangeX = computeMaxScrollX(); - int rangeY = computeMaxScrollY(); - int overflingDistance = mOverflingDistance; - - // Use the layer's scroll data if needed. - if (mTouchMode == TOUCH_DRAG_LAYER_MODE) { - oldX = mScrollingLayerRect.left; - oldY = mScrollingLayerRect.top; - rangeX = mScrollingLayerRect.right; - rangeY = mScrollingLayerRect.bottom; - // No overscrolling for layers. - overflingDistance = 0; - } else if (mTouchMode == TOUCH_DRAG_TEXT_MODE) { - oldX = getTextScrollX(); - oldY = getTextScrollY(); - rangeX = getMaxTextScrollX(); - rangeY = getMaxTextScrollY(); - overflingDistance = 0; - } - - mWebViewPrivate.overScrollBy(x - oldX, y - oldY, oldX, oldY, - rangeX, rangeY, - overflingDistance, overflingDistance, false); - - if (mOverScrollGlow != null) { - mOverScrollGlow.absorbGlow(x, y, oldX, oldY, rangeX, rangeY); - } - } else { - if (mTouchMode == TOUCH_DRAG_LAYER_MODE) { - // Update the layer position instead of WebView. - scrollLayerTo(x, y); - } else if (mTouchMode == TOUCH_DRAG_TEXT_MODE) { - scrollEditText(x, y); - } else { - setScrollXRaw(x); - setScrollYRaw(y); - } - abortAnimation(); - nativeSetIsScrolling(false); - if (!mBlockWebkitViewMessages) { - WebViewCore.resumePriority(); - if (!mSelectingText) { - WebViewCore.resumeUpdatePicture(mWebViewCore); - } - } - if (oldX != getScrollX() || oldY != getScrollY()) { - sendOurVisibleRect(); - } - } - } else { - mWebViewPrivate.super_computeScroll(); - } - } - - private void scrollLayerTo(int x, int y) { - int dx = mScrollingLayerRect.left - x; - int dy = mScrollingLayerRect.top - y; - if ((dx == 0 && dy == 0) || mNativeClass == 0) { - return; - } - if (mSelectingText) { - if (mSelectCursorBaseLayerId == mCurrentScrollingLayerId) { - mSelectCursorBase.offset(dx, dy); - mSelectCursorBaseTextQuad.offset(dx, dy); - } - if (mSelectCursorExtentLayerId == mCurrentScrollingLayerId) { - mSelectCursorExtent.offset(dx, dy); - mSelectCursorExtentTextQuad.offset(dx, dy); - } - } - if (mAutoCompletePopup != null && - mCurrentScrollingLayerId == mEditTextLayerId) { - mEditTextContentBounds.offset(dx, dy); - mAutoCompletePopup.resetRect(); - } - nativeScrollLayer(mNativeClass, mCurrentScrollingLayerId, x, y); - mScrollingLayerRect.left = x; - mScrollingLayerRect.top = y; - mWebViewCore.sendMessage(WebViewCore.EventHub.SCROLL_LAYER, mCurrentScrollingLayerId, - mScrollingLayerRect); - mWebViewPrivate.onScrollChanged(getScrollX(), getScrollY(), getScrollX(), getScrollY()); - invalidate(); - } - - private static int computeDuration(int dx, int dy) { - int distance = Math.max(Math.abs(dx), Math.abs(dy)); - int duration = distance * 1000 / STD_SPEED; - return Math.min(duration, MAX_DURATION); - } - - // helper to pin the scrollBy parameters (already in view coordinates) - // returns true if the scroll was changed - private boolean pinScrollBy(int dx, int dy, boolean animate, int animationDuration) { - return pinScrollTo(getScrollX() + dx, getScrollY() + dy, animate, animationDuration); - } - // helper to pin the scrollTo parameters (already in view coordinates) - // returns true if the scroll was changed - private boolean pinScrollTo(int x, int y, boolean animate, int animationDuration) { - abortAnimation(); - x = pinLocX(x); - y = pinLocY(y); - int dx = x - getScrollX(); - int dy = y - getScrollY(); - - if ((dx | dy) == 0) { - return false; - } - if (animate) { - // Log.d(LOGTAG, "startScroll: " + dx + " " + dy); - mScroller.startScroll(getScrollX(), getScrollY(), dx, dy, - animationDuration > 0 ? animationDuration : computeDuration(dx, dy)); - invalidate(); - } else { - mWebView.scrollTo(x, y); - } - return true; - } - - // Scale from content to view coordinates, and pin. - // Also called by jni webview.cpp - private boolean setContentScrollBy(int cx, int cy, boolean animate) { - if (mDrawHistory) { - // disallow WebView to change the scroll position as History Picture - // is used in the view system. - // TODO: as we switchOutDrawHistory when trackball or navigation - // keys are hit, this should be safe. Right? - return false; - } - cx = contentToViewDimension(cx); - cy = contentToViewDimension(cy); - if (mHeightCanMeasure) { - // move our visible rect according to scroll request - if (cy != 0) { - Rect tempRect = new Rect(); - calcOurVisibleRect(tempRect); - tempRect.offset(cx, cy); - mWebView.requestRectangleOnScreen(tempRect); - } - // FIXME: We scroll horizontally no matter what because currently - // ScrollView and ListView will not scroll horizontally. - // FIXME: Why do we only scroll horizontally if there is no - // vertical scroll? -// Log.d(LOGTAG, "setContentScrollBy cy=" + cy); - return cy == 0 && cx != 0 && pinScrollBy(cx, 0, animate, 0); - } else { - return pinScrollBy(cx, cy, animate, 0); - } - } - - /** - * Called by CallbackProxy when the page starts loading. - * @param url The URL of the page which has started loading. - */ - /* package */ void onPageStarted(String url) { - // every time we start a new page, we want to reset the - // WebView certificate: if the new site is secure, we - // will reload it and get a new certificate set; - // if the new site is not secure, the certificate must be - // null, and that will be the case - mWebView.setCertificate(null); - - if (isAccessibilityInjectionEnabled()) { - getAccessibilityInjector().onPageStarted(url); - } - - // Don't start out editing. - mIsEditingText = false; - } - - /** - * Called by CallbackProxy when the page finishes loading. - * @param url The URL of the page which has finished loading. - */ - /* package */ void onPageFinished(String url) { - mZoomManager.onPageFinished(url); - - if (isAccessibilityInjectionEnabled()) { - getAccessibilityInjector().onPageFinished(url); - } - } - - // scale from content to view coordinates, and pin - private void contentScrollTo(int cx, int cy, boolean animate) { - if (mDrawHistory) { - // disallow WebView to change the scroll position as History Picture - // is used in the view system. - return; - } - int vx = contentToViewX(cx); - int vy = contentToViewY(cy); - pinScrollTo(vx, vy, animate, 0); - } - - /** - * These are from webkit, and are in content coordinate system (unzoomed) - */ - private void contentSizeChanged(boolean updateLayout) { - // suppress 0,0 since we usually see real dimensions soon after - // this avoids drawing the prev content in a funny place. If we find a - // way to consolidate these notifications, this check may become - // obsolete - if ((mContentWidth | mContentHeight) == 0) { - return; - } - - if (mHeightCanMeasure) { - if (mWebView.getMeasuredHeight() != contentToViewDimension(mContentHeight) - || updateLayout) { - mWebView.requestLayout(); - } - } else if (mWidthCanMeasure) { - if (mWebView.getMeasuredWidth() != contentToViewDimension(mContentWidth) - || updateLayout) { - mWebView.requestLayout(); - } - } else { - // If we don't request a layout, try to send our view size to the - // native side to ensure that WebCore has the correct dimensions. - sendViewSizeZoom(false); - } - } - - /** - * See {@link WebView#setWebViewClient(WebViewClient)} - */ - @Override - public void setWebViewClient(WebViewClient client) { - mCallbackProxy.setWebViewClient(client); - } - - /** - * Gets the WebViewClient - * @return the current WebViewClient instance. - * - * This is an implementation detail. - */ - public WebViewClient getWebViewClient() { - return mCallbackProxy.getWebViewClient(); - } - - /** - * See {@link WebView#setDownloadListener(DownloadListener)} - */ - @Override - public void setDownloadListener(DownloadListener listener) { - mCallbackProxy.setDownloadListener(listener); - } - - /** - * See {@link WebView#setWebChromeClient(WebChromeClient)} - */ - @Override - public void setWebChromeClient(WebChromeClient client) { - mCallbackProxy.setWebChromeClient(client); - } - - /** - * Gets the chrome handler. - * @return the current WebChromeClient instance. - * - * This is an implementation detail. - */ - public WebChromeClient getWebChromeClient() { - return mCallbackProxy.getWebChromeClient(); - } - - /** - * Set the back/forward list client. This is an implementation of - * WebBackForwardListClient for handling new items and changes in the - * history index. - * @param client An implementation of WebBackForwardListClient. - */ - public void setWebBackForwardListClient(WebBackForwardListClient client) { - mCallbackProxy.setWebBackForwardListClient(client); - } - - /** - * Gets the WebBackForwardListClient. - */ - public WebBackForwardListClient getWebBackForwardListClient() { - return mCallbackProxy.getWebBackForwardListClient(); - } - - /** - * See {@link WebView#setPictureListener(PictureListener)} - */ - @Override - @Deprecated - public void setPictureListener(PictureListener listener) { - mPictureListener = listener; - } - - /* FIXME: Debug only! Remove for SDK! */ - public void externalRepresentation(Message callback) { - mWebViewCore.sendMessage(EventHub.REQUEST_EXT_REPRESENTATION, callback); - } - - /* FIXME: Debug only! Remove for SDK! */ - public void documentAsText(Message callback) { - mWebViewCore.sendMessage(EventHub.REQUEST_DOC_AS_TEXT, callback); - } - - /** - * See {@link WebView#addJavascriptInterface(Object, String)} - */ - @Override - public void addJavascriptInterface(Object object, String name) { - - if (object == null) { - return; - } - WebViewCore.JSInterfaceData arg = new WebViewCore.JSInterfaceData(); - - arg.mObject = object; - arg.mInterfaceName = name; - - // starting with JELLY_BEAN_MR1, annotations are mandatory for enabling access to - // methods that are accessible from JS. - if (mContext.getApplicationInfo().targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN_MR1) { - arg.mRequireAnnotation = true; - } else { - arg.mRequireAnnotation = false; - } - mWebViewCore.sendMessage(EventHub.ADD_JS_INTERFACE, arg); - } - - /** - * See {@link WebView#removeJavascriptInterface(String)} - */ - @Override - public void removeJavascriptInterface(String interfaceName) { - if (mWebViewCore != null) { - WebViewCore.JSInterfaceData arg = new WebViewCore.JSInterfaceData(); - arg.mInterfaceName = interfaceName; - mWebViewCore.sendMessage(EventHub.REMOVE_JS_INTERFACE, arg); - } - } - - /** - * See {@link WebView#getSettings()} - * Note this returns WebSettingsClassic, a sub-class of WebSettings, which can be used - * to access extension APIs. - */ - @Override - public WebSettingsClassic getSettings() { - return (mWebViewCore != null) ? mWebViewCore.getSettings() : null; - } - - /** - * See {@link WebView#getPluginList()} - */ - @Deprecated - public static synchronized PluginList getPluginList() { - return new PluginList(); - } - - /** - * See {@link WebView#refreshPlugins(boolean)} - */ - @Deprecated - public void refreshPlugins(boolean reloadOpenPages) { - } - - //------------------------------------------------------------------------- - // Override View methods - //------------------------------------------------------------------------- - - @Override - protected void finalize() throws Throwable { - try { - destroy(); - } finally { - super.finalize(); - } - } - - private void drawContent(Canvas canvas) { - if (mDrawHistory) { - canvas.scale(mZoomManager.getScale(), mZoomManager.getScale()); - canvas.drawPicture(mHistoryPicture); - return; - } - if (mNativeClass == 0) return; - - boolean animateZoom = mZoomManager.isFixedLengthAnimationInProgress(); - boolean animateScroll = ((!mScroller.isFinished() - || mVelocityTracker != null) - && (mTouchMode != TOUCH_DRAG_MODE || - mHeldMotionless != MOTIONLESS_TRUE)); - if (mTouchMode == TOUCH_DRAG_MODE) { - if (mHeldMotionless == MOTIONLESS_PENDING) { - mPrivateHandler.removeMessages(DRAG_HELD_MOTIONLESS); - mHeldMotionless = MOTIONLESS_FALSE; - } - if (mHeldMotionless == MOTIONLESS_FALSE) { - mPrivateHandler.sendMessageDelayed(mPrivateHandler - .obtainMessage(DRAG_HELD_MOTIONLESS), MOTIONLESS_TIME); - mHeldMotionless = MOTIONLESS_PENDING; - } - } - int saveCount = canvas.save(); - if (animateZoom) { - mZoomManager.animateZoom(canvas); - } else if (!canvas.isHardwareAccelerated()) { - canvas.scale(mZoomManager.getScale(), mZoomManager.getScale()); - } - - boolean UIAnimationsRunning = false; - // Currently for each draw we compute the animation values; - // We may in the future decide to do that independently. - if (mNativeClass != 0 && !canvas.isHardwareAccelerated() - && nativeEvaluateLayersAnimations(mNativeClass)) { - UIAnimationsRunning = true; - // If we have unfinished (or unstarted) animations, - // we ask for a repaint. We only need to do this in software - // rendering (with hardware rendering we already have a different - // method of requesting a repaint) - mWebViewCore.sendMessage(EventHub.NOTIFY_ANIMATION_STARTED); - invalidate(); - } - - // decide which adornments to draw - int extras = DRAW_EXTRAS_NONE; - if (!mFindIsUp && mShowTextSelectionExtra) { - extras = DRAW_EXTRAS_SELECTION; - } - - calcOurContentVisibleRectF(mVisibleContentRect); - if (canvas.isHardwareAccelerated()) { - Rect invScreenRect = mIsWebViewVisible ? mInvScreenRect : null; - Rect screenRect = mIsWebViewVisible ? mScreenRect : null; - - int functor = nativeCreateDrawGLFunction(mNativeClass, invScreenRect, - screenRect, mVisibleContentRect, getScale(), extras); - ((HardwareCanvas) canvas).callDrawGLFunction(functor); - if (mHardwareAccelSkia != getSettings().getHardwareAccelSkiaEnabled()) { - mHardwareAccelSkia = getSettings().getHardwareAccelSkiaEnabled(); - nativeUseHardwareAccelSkia(mHardwareAccelSkia); - } - - } else { - DrawFilter df = null; - if (mZoomManager.isZoomAnimating() || UIAnimationsRunning) { - df = mZoomFilter; - } else if (animateScroll) { - df = mScrollFilter; - } - canvas.setDrawFilter(df); - nativeDraw(canvas, mVisibleContentRect, mBackgroundColor, extras); - canvas.setDrawFilter(null); - } - - canvas.restoreToCount(saveCount); - drawTextSelectionHandles(canvas); - - if (extras == DRAW_EXTRAS_CURSOR_RING) { - if (mTouchMode == TOUCH_SHORTPRESS_START_MODE) { - mTouchMode = TOUCH_SHORTPRESS_MODE; - } - } - } - - /** - * Draw the background when beyond bounds - * @param canvas Canvas to draw into - */ - private void drawOverScrollBackground(Canvas canvas) { - if (mOverScrollBackground == null) { - mOverScrollBackground = new Paint(); - Bitmap bm = BitmapFactory.decodeResource( - mContext.getResources(), - com.android.internal.R.drawable.status_bar_background); - mOverScrollBackground.setShader(new BitmapShader(bm, - Shader.TileMode.REPEAT, Shader.TileMode.REPEAT)); - mOverScrollBorder = new Paint(); - mOverScrollBorder.setStyle(Paint.Style.STROKE); - mOverScrollBorder.setStrokeWidth(0); - mOverScrollBorder.setColor(0xffbbbbbb); - } - - int top = 0; - int right = computeRealHorizontalScrollRange(); - int bottom = top + computeRealVerticalScrollRange(); - // first draw the background and anchor to the top of the view - canvas.save(); - canvas.translate(getScrollX(), getScrollY()); - canvas.clipRect(-getScrollX(), top - getScrollY(), right - getScrollX(), bottom - - getScrollY(), Region.Op.DIFFERENCE); - canvas.drawPaint(mOverScrollBackground); - canvas.restore(); - // then draw the border - canvas.drawRect(-1, top - 1, right, bottom, mOverScrollBorder); - // next clip the region for the content - canvas.clipRect(0, top, right, bottom); - } - - @Override - public void onDraw(Canvas canvas) { - if (inFullScreenMode()) { - return; // no need to draw anything if we aren't visible. - } - // if mNativeClass is 0, the WebView is either destroyed or not - // initialized. In either case, just draw the background color and return - if (mNativeClass == 0) { - canvas.drawColor(mBackgroundColor); - return; - } - - // if both mContentWidth and mContentHeight are 0, it means there is no - // valid Picture passed to WebView yet. This can happen when WebView - // just starts. Draw the background and return. - if ((mContentWidth | mContentHeight) == 0 && mHistoryPicture == null) { - canvas.drawColor(mBackgroundColor); - return; - } - - if (canvas.isHardwareAccelerated()) { - mZoomManager.setHardwareAccelerated(); - } else { - mWebViewCore.resumeWebKitDraw(); - } - - int saveCount = canvas.save(); - if (mInOverScrollMode && !getSettings() - .getUseWebViewBackgroundForOverscrollBackground()) { - drawOverScrollBackground(canvas); - } - - canvas.translate(0, getTitleHeight()); - drawContent(canvas); - canvas.restoreToCount(saveCount); - - if (AUTO_REDRAW_HACK && mAutoRedraw) { - invalidate(); - } - mWebViewCore.signalRepaintDone(); - - if (mOverScrollGlow != null && mOverScrollGlow.drawEdgeGlows(canvas)) { - invalidate(); - } - - if (mFocusTransition != null) { - mFocusTransition.draw(canvas); - } else if (shouldDrawHighlightRect()) { - RegionIterator iter = new RegionIterator(mTouchHighlightRegion); - Rect r = new Rect(); - while (iter.next(r)) { - canvas.drawRect(r, mTouchHightlightPaint); - } - } - if (DEBUG_TOUCH_HIGHLIGHT) { - if (getSettings().getNavDump()) { - if ((mTouchHighlightX | mTouchHighlightY) != 0) { - if (mTouchCrossHairColor == null) { - mTouchCrossHairColor = new Paint(); - mTouchCrossHairColor.setColor(Color.RED); - } - canvas.drawLine(mTouchHighlightX - mNavSlop, - mTouchHighlightY - mNavSlop, mTouchHighlightX - + mNavSlop + 1, mTouchHighlightY + mNavSlop - + 1, mTouchCrossHairColor); - canvas.drawLine(mTouchHighlightX + mNavSlop + 1, - mTouchHighlightY - mNavSlop, mTouchHighlightX - - mNavSlop, - mTouchHighlightY + mNavSlop + 1, - mTouchCrossHairColor); - } - } - } - } - - private void removeTouchHighlight() { - setTouchHighlightRects(null); - } - - @Override - public void setLayoutParams(ViewGroup.LayoutParams params) { - if (params.height == AbsoluteLayout.LayoutParams.WRAP_CONTENT) { - mWrapContent = true; - } - mWebViewPrivate.super_setLayoutParams(params); - } - - @Override - public boolean performLongClick() { - // performLongClick() is the result of a delayed message. If we switch - // to windows overview, the WebView will be temporarily removed from the - // view system. In that case, do nothing. - if (mWebView.getParent() == null) return false; - - // A multi-finger gesture can look like a long press; make sure we don't take - // long press actions if we're scaling. - final ScaleGestureDetector detector = mZoomManager.getScaleGestureDetector(); - if (detector != null && detector.isInProgress()) { - return false; - } - - if (mSelectingText) return false; // long click does nothing on selection - /* if long click brings up a context menu, the super function - * returns true and we're done. Otherwise, nothing happened when - * the user clicked. */ - if (mWebViewPrivate.super_performLongClick()) { - return true; - } - /* In the case where the application hasn't already handled the long - * click action, look for a word under the click. If one is found, - * animate the text selection into view. - * FIXME: no animation code yet */ - final boolean isSelecting = selectText(); - if (isSelecting) { - mWebView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); - } else if (focusCandidateIsEditableText()) { - mSelectCallback = new SelectActionModeCallback(); - mSelectCallback.setWebView(this); - mSelectCallback.setTextSelected(false); - mWebView.startActionMode(mSelectCallback); - } - return isSelecting; - } - - /** - * Select the word at the last click point. - * - * This is an implementation detail. - */ - public boolean selectText() { - int x = viewToContentX(mLastTouchX + getScrollX()); - int y = viewToContentY(mLastTouchY + getScrollY()); - return selectText(x, y); - } - - /** - * Select the word at the indicated content coordinates. - */ - boolean selectText(int x, int y) { - if (mWebViewCore == null) { - return false; - } - mWebViewCore.sendMessage(EventHub.SELECT_WORD_AT, x, y); - return true; - } - - private int mOrientation = Configuration.ORIENTATION_UNDEFINED; - - @Override - public void onConfigurationChanged(Configuration newConfig) { - mCachedOverlappingActionModeHeight = -1; - if (mSelectingText && mOrientation != newConfig.orientation) { - selectionDone(); - } - mOrientation = newConfig.orientation; - if (mWebViewCore != null && !mBlockWebkitViewMessages) { - mWebViewCore.sendMessage(EventHub.CLEAR_CONTENT); - } - } - - /** - * Keep track of the Callback so we can end its ActionMode or remove its - * titlebar. - */ - private SelectActionModeCallback mSelectCallback; - - void setBaseLayer(int layer, boolean showVisualIndicator, - boolean isPictureAfterFirstLayout) { - if (mNativeClass == 0) - return; - boolean queueFull; - final int scrollingLayer = (mTouchMode == TOUCH_DRAG_LAYER_MODE) - ? mCurrentScrollingLayerId : 0; - queueFull = nativeSetBaseLayer(mNativeClass, layer, - showVisualIndicator, isPictureAfterFirstLayout, - scrollingLayer); - - if (queueFull) { - mWebViewCore.pauseWebKitDraw(); - } else { - mWebViewCore.resumeWebKitDraw(); - } - - if (mHTML5VideoViewProxy != null) { - mHTML5VideoViewProxy.setBaseLayer(layer); - } - } - - int getBaseLayer() { - if (mNativeClass == 0) { - return 0; - } - return nativeGetBaseLayer(mNativeClass); - } - - private void onZoomAnimationStart() { - } - - private void onZoomAnimationEnd() { - mPrivateHandler.sendEmptyMessage(RELOCATE_AUTO_COMPLETE_POPUP); - } - - void onFixedLengthZoomAnimationStart() { - WebViewCore.pauseUpdatePicture(getWebViewCore()); - onZoomAnimationStart(); - } - - void onFixedLengthZoomAnimationEnd() { - if (!mBlockWebkitViewMessages && !mSelectingText) { - WebViewCore.resumeUpdatePicture(mWebViewCore); - } - onZoomAnimationEnd(); - } - - private static final int ZOOM_BITS = Paint.FILTER_BITMAP_FLAG | - Paint.DITHER_FLAG | - Paint.SUBPIXEL_TEXT_FLAG; - private static final int SCROLL_BITS = Paint.FILTER_BITMAP_FLAG | - Paint.DITHER_FLAG; - - private final DrawFilter mZoomFilter = - new PaintFlagsDrawFilter(ZOOM_BITS, Paint.LINEAR_TEXT_FLAG); - // If we need to trade better quality for speed, set mScrollFilter to null - private final DrawFilter mScrollFilter = - new PaintFlagsDrawFilter(SCROLL_BITS, 0); - - private class SelectionHandleAlpha { - private int mAlpha = 0; - private int mTargetAlpha = 0; - - public void setAlpha(int alpha) { - mAlpha = alpha; - // TODO: Use partial invalidate - invalidate(); - } - - public int getAlpha() { - return mAlpha; - } - - public void setTargetAlpha(int alpha) { - mTargetAlpha = alpha; - } - - public int getTargetAlpha() { - return mTargetAlpha; - } - - } - - private void startSelectingText() { - mSelectingText = true; - mShowTextSelectionExtra = true; - animateHandles(); - } - - private void animateHandle(boolean canShow, ObjectAnimator animator, - Point selectionPoint, int selectionLayerId, - SelectionHandleAlpha alpha) { - boolean isVisible = canShow && mSelectingText - && ((mSelectionStarted && mSelectDraggingCursor == selectionPoint) - || isHandleVisible(selectionPoint, selectionLayerId)); - int targetValue = isVisible ? 255 : 0; - if (targetValue != alpha.getTargetAlpha()) { - alpha.setTargetAlpha(targetValue); - animator.setIntValues(targetValue); - animator.setDuration(SELECTION_HANDLE_ANIMATION_MS); - animator.start(); - } - } - - private void animateHandles() { - boolean canShowBase = mSelectingText; - boolean canShowExtent = mSelectingText && !mIsCaretSelection; - animateHandle(canShowBase, mBaseHandleAlphaAnimator, mSelectCursorBase, - mSelectCursorBaseLayerId, mBaseAlpha); - animateHandle(canShowExtent, mExtentHandleAlphaAnimator, - mSelectCursorExtent, mSelectCursorExtentLayerId, - mExtentAlpha); - } - - private void endSelectingText() { - mSelectingText = false; - mShowTextSelectionExtra = false; - animateHandles(); - } - - private void ensureSelectionHandles() { - if (mSelectHandleCenter == null) { - mSelectHandleCenter = mContext.getResources().getDrawable( - com.android.internal.R.drawable.text_select_handle_middle).mutate(); - mSelectHandleLeft = mContext.getResources().getDrawable( - com.android.internal.R.drawable.text_select_handle_left).mutate(); - mSelectHandleRight = mContext.getResources().getDrawable( - com.android.internal.R.drawable.text_select_handle_right).mutate(); - // All handles have the same height, so we can save effort with - // this assumption. - mSelectOffset = new Point(0, - -mSelectHandleLeft.getIntrinsicHeight()); - } - } - - private void drawHandle(Point point, int handleId, Rect bounds, - int alpha, Canvas canvas) { - int offset; - int width; - int height; - Drawable drawable; - boolean isLeft = nativeIsHandleLeft(mNativeClass, handleId); - if (isLeft) { - drawable = mSelectHandleLeft; - width = mSelectHandleLeft.getIntrinsicWidth(); - height = mSelectHandleLeft.getIntrinsicHeight(); - // Magic formula copied from TextView - offset = (width * 3) / 4; - } else { - drawable = mSelectHandleRight; - width = mSelectHandleRight.getIntrinsicWidth(); - height = mSelectHandleRight.getIntrinsicHeight(); - // Magic formula copied from TextView - offset = width / 4; - } - int x = contentToViewDimension(point.x); - int y = contentToViewDimension(point.y); - bounds.set(x - offset, y, x - offset + width, y + height); - drawable.setBounds(bounds); - drawable.setAlpha(alpha); - drawable.draw(canvas); - } - - private void drawTextSelectionHandles(Canvas canvas) { - if (mBaseAlpha.getAlpha() == 0 && mExtentAlpha.getAlpha() == 0) { - return; - } - ensureSelectionHandles(); - if (mIsCaretSelection) { - // Caret handle is centered - int x = contentToViewDimension(mSelectCursorBase.x) - - (mSelectHandleCenter.getIntrinsicWidth() / 2); - int y = contentToViewDimension(mSelectCursorBase.y); - mSelectHandleBaseBounds.set(x, y, - x + mSelectHandleCenter.getIntrinsicWidth(), - y + mSelectHandleCenter.getIntrinsicHeight()); - mSelectHandleCenter.setBounds(mSelectHandleBaseBounds); - mSelectHandleCenter.setAlpha(mBaseAlpha.getAlpha()); - mSelectHandleCenter.draw(canvas); - } else { - drawHandle(mSelectCursorBase, HANDLE_ID_BASE, - mSelectHandleBaseBounds, mBaseAlpha.getAlpha(), canvas); - drawHandle(mSelectCursorExtent, HANDLE_ID_EXTENT, - mSelectHandleExtentBounds, mExtentAlpha.getAlpha(), canvas); - } - } - - private boolean isHandleVisible(Point selectionPoint, int layerId) { - boolean isVisible = true; - if (mIsEditingText) { - isVisible = mEditTextContentBounds.contains(selectionPoint.x, - selectionPoint.y); - } - if (isVisible) { - isVisible = nativeIsPointVisible(mNativeClass, layerId, - selectionPoint.x, selectionPoint.y); - } - return isVisible; - } - - /** - * Takes an int[4] array as an output param with the values being - * startX, startY, endX, endY - */ - private void getSelectionHandles(int[] handles) { - handles[0] = mSelectCursorBase.x; - handles[1] = mSelectCursorBase.y; - handles[2] = mSelectCursorExtent.x; - handles[3] = mSelectCursorExtent.y; - } - - // draw history - private boolean mDrawHistory = false; - private Picture mHistoryPicture = null; - private int mHistoryWidth = 0; - private int mHistoryHeight = 0; - - // Only check the flag, can be called from WebCore thread - boolean drawHistory() { - return mDrawHistory; - } - - int getHistoryPictureWidth() { - return (mHistoryPicture != null) ? mHistoryPicture.getWidth() : 0; - } - - // Should only be called in UI thread - void switchOutDrawHistory() { - if (null == mWebViewCore) return; // CallbackProxy may trigger this - if (mDrawHistory && (getProgress() == 100 || nativeHasContent())) { - mDrawHistory = false; - mHistoryPicture = null; - invalidate(); - int oldScrollX = getScrollX(); - int oldScrollY = getScrollY(); - setScrollXRaw(pinLocX(getScrollX())); - setScrollYRaw(pinLocY(getScrollY())); - if (oldScrollX != getScrollX() || oldScrollY != getScrollY()) { - mWebViewPrivate.onScrollChanged(getScrollX(), getScrollY(), oldScrollX, oldScrollY); - } else { - sendOurVisibleRect(); - } - } - } - - /** - * Delete text from start to end in the focused textfield. If there is no - * focus, or if start == end, silently fail. If start and end are out of - * order, swap them. - * @param start Beginning of selection to delete. - * @param end End of selection to delete. - */ - /* package */ void deleteSelection(int start, int end) { - mTextGeneration++; - WebViewCore.TextSelectionData data - = new WebViewCore.TextSelectionData(start, end, 0); - mWebViewCore.sendMessage(EventHub.DELETE_SELECTION, mTextGeneration, 0, - data); - } - - /** - * Set the selection to (start, end) in the focused textfield. If start and - * end are out of order, swap them. - * @param start Beginning of selection. - * @param end End of selection. - */ - /* package */ void setSelection(int start, int end) { - if (mWebViewCore != null) { - mWebViewCore.sendMessage(EventHub.SET_SELECTION, start, end); - } - } - - @Override - public InputConnection onCreateInputConnection(EditorInfo outAttrs) { - if (mInputConnection == null) { - mInputConnection = new WebViewInputConnection(); - mAutoCompletePopup = new AutoCompletePopup(this, mInputConnection); - } - mInputConnection.setupEditorInfo(outAttrs); - return mInputConnection; - } - - private void relocateAutoCompletePopup() { - if (mAutoCompletePopup != null) { - mAutoCompletePopup.resetRect(); - mAutoCompletePopup.setText(mInputConnection.getEditable()); - } - } - - /** - * Called in response to a message from webkit telling us that the soft - * keyboard should be launched. - */ - private void displaySoftKeyboard(boolean isTextView) { - InputMethodManager imm = (InputMethodManager) - mContext.getSystemService(Context.INPUT_METHOD_SERVICE); - - // bring it back to the default level scale so that user can enter text - boolean zoom = mZoomManager.getScale() < mZoomManager.getDefaultScale(); - if (zoom) { - mZoomManager.setZoomCenter(mLastTouchX, mLastTouchY); - mZoomManager.setZoomScale(mZoomManager.getDefaultScale(), false); - } - // Used by plugins and contentEditable. - // Also used if the navigation cache is out of date, and - // does not recognize that a textfield is in focus. In that - // case, use WebView as the targeted view. - // see http://b/issue?id=2457459 - imm.showSoftInput(mWebView, 0); - } - - // Called by WebKit to instruct the UI to hide the keyboard - private void hideSoftKeyboard() { - InputMethodManager imm = InputMethodManager.peekInstance(); - if (imm != null && (imm.isActive(mWebView))) { - imm.hideSoftInputFromWindow(mWebView.getWindowToken(), 0); - } - } - - /** - * Called by AutoCompletePopup to find saved form data associated with the - * textfield - * @param name Name of the textfield. - * @param nodePointer Pointer to the node of the textfield, so it can be - * compared to the currently focused textfield when the data is - * retrieved. - * @param autoFillable true if WebKit has determined this field is part of - * a form that can be auto filled. - * @param autoComplete true if the attribute "autocomplete" is set to true - * on the textfield. - */ - /* package */ void requestFormData(String name, int nodePointer, - boolean autoFillable, boolean autoComplete) { - if (mWebViewCore.getSettings().getSaveFormData()) { - Message update = mPrivateHandler.obtainMessage(REQUEST_FORM_DATA); - update.arg1 = nodePointer; - RequestFormData updater = new RequestFormData(name, getUrl(), - update, autoFillable, autoComplete); - Thread t = new Thread(updater); - t.start(); - } - } - - /* - * This class requests an Adapter for the AutoCompletePopup which shows past - * entries stored in the database. It is a Runnable so that it can be done - * in its own thread, without slowing down the UI. - */ - private class RequestFormData implements Runnable { - private String mName; - private String mUrl; - private Message mUpdateMessage; - private boolean mAutoFillable; - private boolean mAutoComplete; - private WebSettingsClassic mWebSettings; - - public RequestFormData(String name, String url, Message msg, - boolean autoFillable, boolean autoComplete) { - mName = name; - mUrl = WebTextView.urlForAutoCompleteData(url); - mUpdateMessage = msg; - mAutoFillable = autoFillable; - mAutoComplete = autoComplete; - mWebSettings = getSettings(); - } - - @Override - public void run() { - ArrayList<String> pastEntries = new ArrayList<String>(); - - if (mAutoFillable) { - // Note that code inside the adapter click handler in AutoCompletePopup depends - // on the AutoFill item being at the top of the drop down list. If you change - // the order, make sure to do it there too! - if (mWebSettings != null && mWebSettings.getAutoFillProfile() != null) { - pastEntries.add(mWebView.getResources().getText( - com.android.internal.R.string.autofill_this_form).toString() + - " " + - mAutoFillData.getPreviewString()); - mAutoCompletePopup.setIsAutoFillProfileSet(true); - } else { - // There is no autofill profile set up yet, so add an option that - // will invite the user to set their profile up. - pastEntries.add(mWebView.getResources().getText( - com.android.internal.R.string.setup_autofill).toString()); - mAutoCompletePopup.setIsAutoFillProfileSet(false); - } - } - - if (mAutoComplete) { - pastEntries.addAll(mDatabase.getFormData(mUrl, mName)); - } - - if (pastEntries.size() > 0) { - ArrayAdapter<String> adapter = new ArrayAdapter<String>( - mContext, - com.android.internal.R.layout.web_text_view_dropdown, - pastEntries); - mUpdateMessage.obj = adapter; - mUpdateMessage.sendToTarget(); - } - } - } - - /** - * Dump the display tree to "/sdcard/displayTree.txt" - * - * debug only - */ - public void dumpDisplayTree() { - nativeDumpDisplayTree(getUrl()); - } - - /** - * Dump the dom tree to adb shell if "toFile" is False, otherwise dump it to - * "/sdcard/domTree.txt" - * - * debug only - */ - public void dumpDomTree(boolean toFile) { - mWebViewCore.sendMessage(EventHub.DUMP_DOMTREE, toFile ? 1 : 0, 0); - } - - /** - * Dump the render tree to adb shell if "toFile" is False, otherwise dump it - * to "/sdcard/renderTree.txt" - * - * debug only - */ - public void dumpRenderTree(boolean toFile) { - mWebViewCore.sendMessage(EventHub.DUMP_RENDERTREE, toFile ? 1 : 0, 0); - } - - /** - * Called by DRT on UI thread, need to proxy to WebCore thread. - * - * debug only - */ - public void setUseMockDeviceOrientation() { - mWebViewCore.sendMessage(EventHub.SET_USE_MOCK_DEVICE_ORIENTATION); - } - - /** - * Sets use of the Geolocation mock client. Also resets that client. Called - * by DRT on UI thread, need to proxy to WebCore thread. - * - * debug only - */ - public void setUseMockGeolocation() { - mWebViewCore.sendMessage(EventHub.SET_USE_MOCK_GEOLOCATION); - } - - /** - * Called by DRT on WebCore thread. - * - * debug only - */ - public void setMockGeolocationPosition(double latitude, double longitude, double accuracy) { - mWebViewCore.setMockGeolocationPosition(latitude, longitude, accuracy); - } - - /** - * Called by DRT on WebCore thread. - * - * debug only - */ - public void setMockGeolocationError(int code, String message) { - mWebViewCore.setMockGeolocationError(code, message); - } - - /** - * Called by DRT on WebCore thread. - * - * debug only - */ - public void setMockGeolocationPermission(boolean allow) { - mWebViewCore.setMockGeolocationPermission(allow); - } - - /** - * Called by DRT on WebCore thread. - * - * debug only - */ - public void setMockDeviceOrientation(boolean canProvideAlpha, double alpha, - boolean canProvideBeta, double beta, boolean canProvideGamma, double gamma) { - mWebViewCore.setMockDeviceOrientation(canProvideAlpha, alpha, canProvideBeta, beta, - canProvideGamma, gamma); - } - - // This is used to determine long press with the center key. Does not - // affect long press with the trackball/touch. - private boolean mGotCenterDown = false; - - @Override - public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { - if (mBlockWebkitViewMessages) { - return false; - } - // send complex characters to webkit for use by JS and plugins - if (keyCode == KeyEvent.KEYCODE_UNKNOWN && event.getCharacters() != null) { - // pass the key to DOM - sendBatchableInputMessage(EventHub.KEY_DOWN, 0, 0, event); - sendBatchableInputMessage(EventHub.KEY_UP, 0, 0, event); - // return true as DOM handles the key - return true; - } - return false; - } - - private boolean isEnterActionKey(int keyCode) { - return keyCode == KeyEvent.KEYCODE_DPAD_CENTER - || keyCode == KeyEvent.KEYCODE_ENTER - || keyCode == KeyEvent.KEYCODE_NUMPAD_ENTER; - } - - public boolean onKeyPreIme(int keyCode, KeyEvent event) { - if (mAutoCompletePopup != null) { - return mAutoCompletePopup.onKeyPreIme(keyCode, event); - } - return false; - } - - @Override - public boolean onKeyDown(int keyCode, KeyEvent event) { - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "keyDown at " + System.currentTimeMillis() - + "keyCode=" + keyCode - + ", " + event + ", unicode=" + event.getUnicodeChar()); - } - if (mIsCaretSelection) { - selectionDone(); - } - if (mBlockWebkitViewMessages) { - return false; - } - - // don't implement accelerator keys here; defer to host application - if (event.isCtrlPressed()) { - return false; - } - - if (mNativeClass == 0) { - return false; - } - - // do this hack up front, so it always works, regardless of touch-mode - if (AUTO_REDRAW_HACK && (keyCode == KeyEvent.KEYCODE_CALL)) { - mAutoRedraw = !mAutoRedraw; - if (mAutoRedraw) { - invalidate(); - } - return true; - } - - // Bubble up the key event if - // 1. it is a system key; or - // 2. the host application wants to handle it; - if (event.isSystem() - || mCallbackProxy.uiOverrideKeyEvent(event)) { - return false; - } - - // See if the accessibility injector needs to handle this event. - if (isAccessibilityInjectionEnabled() - && getAccessibilityInjector().handleKeyEventIfNecessary(event)) { - return true; - } - - if (keyCode == KeyEvent.KEYCODE_PAGE_UP) { - if (event.hasNoModifiers()) { - pageUp(false); - return true; - } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) { - pageUp(true); - return true; - } - } - - if (keyCode == KeyEvent.KEYCODE_PAGE_DOWN) { - if (event.hasNoModifiers()) { - pageDown(false); - return true; - } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) { - pageDown(true); - return true; - } - } - - if (keyCode == KeyEvent.KEYCODE_MOVE_HOME && event.hasNoModifiers()) { - pageUp(true); - return true; - } - - if (keyCode == KeyEvent.KEYCODE_MOVE_END && event.hasNoModifiers()) { - pageDown(true); - return true; - } - - if (keyCode >= KeyEvent.KEYCODE_DPAD_UP - && keyCode <= KeyEvent.KEYCODE_DPAD_RIGHT) { - switchOutDrawHistory(); - } - - if (isEnterActionKey(keyCode)) { - switchOutDrawHistory(); - if (event.getRepeatCount() == 0) { - if (mSelectingText) { - return true; // discard press if copy in progress - } - mGotCenterDown = true; - mPrivateHandler.sendMessageDelayed(mPrivateHandler - .obtainMessage(LONG_PRESS_CENTER), LONG_PRESS_TIMEOUT); - } - } - - if (getSettings().getNavDump()) { - switch (keyCode) { - case KeyEvent.KEYCODE_4: - dumpDisplayTree(); - break; - case KeyEvent.KEYCODE_5: - case KeyEvent.KEYCODE_6: - dumpDomTree(keyCode == KeyEvent.KEYCODE_5); - break; - case KeyEvent.KEYCODE_7: - case KeyEvent.KEYCODE_8: - dumpRenderTree(keyCode == KeyEvent.KEYCODE_7); - break; - } - } - - // pass the key to DOM - sendKeyEvent(event); - // return true as DOM handles the key - return true; - } - - @Override - public boolean onKeyUp(int keyCode, KeyEvent event) { - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "keyUp at " + System.currentTimeMillis() - + ", " + event + ", unicode=" + event.getUnicodeChar()); - } - if (mBlockWebkitViewMessages) { - return false; - } - - if (mNativeClass == 0) { - return false; - } - - // special CALL handling when cursor node's href is "tel:XXX" - if (keyCode == KeyEvent.KEYCODE_CALL - && mInitialHitTestResult != null - && mInitialHitTestResult.getType() == HitTestResult.PHONE_TYPE) { - String text = mInitialHitTestResult.getExtra(); - Intent intent = new Intent(Intent.ACTION_DIAL, Uri.parse(text)); - mContext.startActivity(intent); - return true; - } - - // Bubble up the key event if - // 1. it is a system key; or - // 2. the host application wants to handle it; - if (event.isSystem() - || mCallbackProxy.uiOverrideKeyEvent(event)) { - return false; - } - - // See if the accessibility injector needs to handle this event. - if (isAccessibilityInjectionEnabled() - && getAccessibilityInjector().handleKeyEventIfNecessary(event)) { - return true; - } - - if (isEnterActionKey(keyCode)) { - // remove the long press message first - mPrivateHandler.removeMessages(LONG_PRESS_CENTER); - mGotCenterDown = false; - - if (mSelectingText) { - copySelection(); - selectionDone(); - return true; // discard press if copy in progress - } - } - - // pass the key to DOM - sendKeyEvent(event); - // return true as DOM handles the key - return true; - } - - private boolean startSelectActionMode() { - mSelectCallback = new SelectActionModeCallback(); - mSelectCallback.setTextSelected(!mIsCaretSelection); - mSelectCallback.setWebView(this); - if (mWebView.startActionMode(mSelectCallback) == null) { - // There is no ActionMode, so do not allow the user to modify a - // selection. - selectionDone(); - return false; - } - mWebView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); - return true; - } - - private void showPasteWindow() { - ClipboardManager cm = (ClipboardManager)(mContext - .getSystemService(Context.CLIPBOARD_SERVICE)); - if (cm.hasPrimaryClip()) { - Point cursorPoint = new Point(contentToViewX(mSelectCursorBase.x), - contentToViewY(mSelectCursorBase.y)); - Point cursorTop = calculateBaseCaretTop(); - cursorTop.set(contentToViewX(cursorTop.x), - contentToViewY(cursorTop.y)); - - int[] location = new int[2]; - mWebView.getLocationInWindow(location); - int offsetX = location[0] - getScrollX(); - int offsetY = location[1] - getScrollY(); - cursorPoint.offset(offsetX, offsetY); - cursorTop.offset(offsetX, offsetY); - if (mPasteWindow == null) { - mPasteWindow = new PastePopupWindow(); - } - mPasteWindow.show(cursorPoint, cursorTop, location[0], location[1]); - } - } - - /** - * Given segment AB, this finds the point C along AB that is closest to - * point and then returns it scale along AB. The scale factor is AC/AB. - * - * @param x The x coordinate of the point near segment AB that determines - * the scale factor. - * @param y The y coordinate of the point near segment AB that determines - * the scale factor. - * @param a The first point of the line segment. - * @param b The second point of the line segment. - * @return The scale factor AC/AB, where C is the point on AB closest to - * point. - */ - private static float scaleAlongSegment(int x, int y, PointF a, PointF b) { - // The bottom line of the text box is line AB - float abX = b.x - a.x; - float abY = b.y - a.y; - float ab2 = (abX * abX) + (abY * abY); - - // The line from first point in text bounds to bottom is AP - float apX = x - a.x; - float apY = y - a.y; - float abDotAP = (apX * abX) + (apY * abY); - float scale = abDotAP / ab2; - return scale; - } - - private Point calculateBaseCaretTop() { - return calculateCaretTop(mSelectCursorBase, mSelectCursorBaseTextQuad); - } - - private Point calculateDraggingCaretTop() { - return calculateCaretTop(mSelectDraggingCursor, mSelectDraggingTextQuad); - } - - /** - * Assuming arbitrary shape of a quadralateral forming text bounds, this - * calculates the top of a caret. - */ - private static Point calculateCaretTop(Point base, QuadF quad) { - float scale = scaleAlongSegment(base.x, base.y, quad.p4, quad.p3); - int x = Math.round(scaleCoordinate(scale, quad.p1.x, quad.p2.x)); - int y = Math.round(scaleCoordinate(scale, quad.p1.y, quad.p2.y)); - return new Point(x, y); - } - - private void hidePasteButton() { - if (mPasteWindow != null) { - mPasteWindow.hide(); - } - } - - private void syncSelectionCursors() { - mSelectCursorBaseLayerId = - nativeGetHandleLayerId(mNativeClass, HANDLE_ID_BASE, - mSelectCursorBase, mSelectCursorBaseTextQuad); - mSelectCursorExtentLayerId = - nativeGetHandleLayerId(mNativeClass, HANDLE_ID_EXTENT, - mSelectCursorExtent, mSelectCursorExtentTextQuad); - } - - private boolean setupWebkitSelect() { - syncSelectionCursors(); - if (!mIsCaretSelection && !startSelectActionMode()) { - selectionDone(); - return false; - } - startSelectingText(); - mTouchMode = TOUCH_DRAG_MODE; - return true; - } - - private void updateWebkitSelection(boolean isSnapped) { - int handleId = (mSelectDraggingCursor == mSelectCursorBase) - ? HANDLE_ID_BASE : HANDLE_ID_EXTENT; - int x = mSelectDraggingCursor.x; - int y = mSelectDraggingCursor.y; - if (isSnapped) { - // "center" the cursor in the snapping quad - Point top = calculateDraggingCaretTop(); - x = Math.round((top.x + x) / 2); - y = Math.round((top.y + y) / 2); - } - mWebViewCore.removeMessages(EventHub.SELECT_TEXT); - mWebViewCore.sendMessageAtFrontOfQueue(EventHub.SELECT_TEXT, - x, y, (Integer)handleId); - } - - private void resetCaretTimer() { - mPrivateHandler.removeMessages(CLEAR_CARET_HANDLE); - if (!mSelectionStarted) { - mPrivateHandler.sendEmptyMessageDelayed(CLEAR_CARET_HANDLE, - CARET_HANDLE_STAMINA_MS); - } - } - - /** - * Select all of the text in this WebView. - * - * This is an implementation detail. - */ - public void selectAll() { - mWebViewCore.sendMessage(EventHub.SELECT_ALL); - } - - /** - * Called when the selection has been removed. - */ - void selectionDone() { - if (mSelectingText) { - hidePasteButton(); - endSelectingText(); - // finish is idempotent, so this is fine even if selectionDone was - // called by mSelectCallback.onDestroyActionMode - if (mSelectCallback != null) { - mSelectCallback.finish(); - mSelectCallback = null; - } - invalidate(); // redraw without selection - mAutoScrollX = 0; - mAutoScrollY = 0; - mSentAutoScrollMessage = false; - } - } - - /** - * Copy the selection to the clipboard - * - * This is an implementation detail. - */ - public boolean copySelection() { - boolean copiedSomething = false; - String selection = getSelection(); - if (selection != null && selection != "") { - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "copySelection \"" + selection + "\""); - } - Toast.makeText(mContext - , com.android.internal.R.string.text_copied - , Toast.LENGTH_SHORT).show(); - copiedSomething = true; - ClipboardManager cm = (ClipboardManager)mContext - .getSystemService(Context.CLIPBOARD_SERVICE); - cm.setText(selection); - int[] handles = new int[4]; - getSelectionHandles(handles); - mWebViewCore.sendMessage(EventHub.COPY_TEXT, handles); - } - invalidate(); // remove selection region and pointer - return copiedSomething; - } - - /** - * Cut the selected text into the clipboard - * - * This is an implementation detail - */ - public void cutSelection() { - copySelection(); - int[] handles = new int[4]; - getSelectionHandles(handles); - mWebViewCore.sendMessage(EventHub.DELETE_TEXT, handles); - } - - /** - * Paste text from the clipboard to the cursor position. - * - * This is an implementation detail - */ - public void pasteFromClipboard() { - ClipboardManager cm = (ClipboardManager)mContext - .getSystemService(Context.CLIPBOARD_SERVICE); - ClipData clipData = cm.getPrimaryClip(); - if (clipData != null) { - ClipData.Item clipItem = clipData.getItemAt(0); - CharSequence pasteText = clipItem.coerceToText(mContext); - if (mInputConnection != null) { - mInputConnection.replaceSelection(pasteText); - } - } - } - - /** - * Returns the currently highlighted text as a string. - */ - String getSelection() { - if (mNativeClass == 0) return ""; - return nativeGetSelection(); - } - - @Override - public void onAttachedToWindow() { - if (mWebView.hasWindowFocus()) setActive(true); - - if (isAccessibilityInjectionEnabled()) { - getAccessibilityInjector().toggleAccessibilityFeedback(true); - } - - updateHwAccelerated(); - } - - @Override - public void onDetachedFromWindow() { - clearHelpers(); - mZoomManager.dismissZoomPicker(); - if (mWebView.hasWindowFocus()) setActive(false); - - if (isAccessibilityInjectionEnabled()) { - getAccessibilityInjector().toggleAccessibilityFeedback(false); - } - - updateHwAccelerated(); - - ensureFunctorDetached(); - } - - @Override - public void onVisibilityChanged(View changedView, int visibility) { - // The zoomManager may be null if the webview is created from XML that - // specifies the view's visibility param as not visible (see http://b/2794841) - if (visibility != View.VISIBLE && mZoomManager != null) { - mZoomManager.dismissZoomPicker(); - } - updateDrawingState(); - } - - void setActive(boolean active) { - if (active) { - if (mWebView.hasFocus()) { - // If our window regained focus, and we have focus, then begin - // drawing the cursor ring - mDrawCursorRing = true; - setFocusControllerActive(true); - } else { - mDrawCursorRing = false; - setFocusControllerActive(false); - } - } else { - if (!mZoomManager.isZoomPickerVisible()) { - /* - * The external zoom controls come in their own window, so our - * window loses focus. Our policy is to not draw the cursor ring - * if our window is not focused, but this is an exception since - * the user can still navigate the web page with the zoom - * controls showing. - */ - mDrawCursorRing = false; - } - mKeysPressed.clear(); - mPrivateHandler.removeMessages(SWITCH_TO_LONGPRESS); - mTouchMode = TOUCH_DONE_MODE; - setFocusControllerActive(false); - } - invalidate(); - } - - // To avoid drawing the cursor ring, and remove the TextView when our window - // loses focus. - @Override - public void onWindowFocusChanged(boolean hasWindowFocus) { - setActive(hasWindowFocus); - if (hasWindowFocus) { - JWebCoreJavaBridge.setActiveWebView(this); - if (mPictureUpdatePausedForFocusChange) { - WebViewCore.resumeUpdatePicture(mWebViewCore); - mPictureUpdatePausedForFocusChange = false; - } - } else { - JWebCoreJavaBridge.removeActiveWebView(this); - final WebSettings settings = getSettings(); - if (settings != null && settings.enableSmoothTransition() && - mWebViewCore != null && !WebViewCore.isUpdatePicturePaused(mWebViewCore)) { - WebViewCore.pauseUpdatePicture(mWebViewCore); - mPictureUpdatePausedForFocusChange = true; - } - } - } - - /* - * Pass a message to WebCore Thread, telling the WebCore::Page's - * FocusController to be "inactive" so that it will - * not draw the blinking cursor. It gets set to "active" to draw the cursor - * in WebViewCore.cpp, when the WebCore thread receives key events/clicks. - */ - /* package */ void setFocusControllerActive(boolean active) { - if (mWebViewCore == null) return; - mWebViewCore.sendMessage(EventHub.SET_ACTIVE, active ? 1 : 0, 0); - // Need to send this message after the document regains focus. - if (active && mListBoxMessage != null) { - mWebViewCore.sendMessage(mListBoxMessage); - mListBoxMessage = null; - } - } - - @Override - public void onFocusChanged(boolean focused, int direction, - Rect previouslyFocusedRect) { - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "MT focusChanged " + focused + ", " + direction); - } - if (focused) { - mDrawCursorRing = true; - setFocusControllerActive(true); - } else { - mDrawCursorRing = false; - setFocusControllerActive(false); - mKeysPressed.clear(); - } - if (!mTouchHighlightRegion.isEmpty()) { - mWebView.invalidate(mTouchHighlightRegion.getBounds()); - } - } - - // updateRectsForGL() happens almost every draw call, in order to avoid creating - // any object in this code path, we move the local variable out to be a private - // final member, and we marked them as mTemp*. - private final Point mTempVisibleRectOffset = new Point(); - private final Rect mTempVisibleRect = new Rect(); - - void updateRectsForGL() { - // Use the getGlobalVisibleRect() to get the intersection among the parents - // visible == false means we're clipped - send a null rect down to indicate that - // we should not draw - boolean visible = mWebView.getGlobalVisibleRect(mTempVisibleRect, mTempVisibleRectOffset); - mInvScreenRect.set(mTempVisibleRect); - if (visible) { - // Then need to invert the Y axis, just for GL - View rootView = mWebView.getRootView(); - int rootViewHeight = rootView.getHeight(); - mScreenRect.set(mInvScreenRect); - int savedWebViewBottom = mInvScreenRect.bottom; - mInvScreenRect.bottom = rootViewHeight - mInvScreenRect.top - getVisibleTitleHeightImpl(); - mInvScreenRect.top = rootViewHeight - savedWebViewBottom; - mIsWebViewVisible = true; - } else { - mIsWebViewVisible = false; - } - - mTempVisibleRect.offset(-mTempVisibleRectOffset.x, -mTempVisibleRectOffset.y); - viewToContentVisibleRect(mVisibleContentRect, mTempVisibleRect); - - nativeUpdateDrawGLFunction(mNativeClass, mIsWebViewVisible ? mInvScreenRect : null, - mIsWebViewVisible ? mScreenRect : null, - mVisibleContentRect, getScale()); - } - - // Input : viewRect, rect in view/screen coordinate. - // Output: contentRect, rect in content/document coordinate. - private void viewToContentVisibleRect(RectF contentRect, Rect viewRect) { - contentRect.left = viewToContentXf(viewRect.left) / mWebView.getScaleX(); - // viewToContentY will remove the total height of the title bar. Add - // the visible height back in to account for the fact that if the title - // bar is partially visible, the part of the visible rect which is - // displaying our content is displaced by that amount. - contentRect.top = viewToContentYf(viewRect.top + getVisibleTitleHeightImpl()) - / mWebView.getScaleY(); - contentRect.right = viewToContentXf(viewRect.right) / mWebView.getScaleX(); - contentRect.bottom = viewToContentYf(viewRect.bottom) / mWebView.getScaleY(); - } - - @Override - public boolean setFrame(int left, int top, int right, int bottom) { - boolean changed = mWebViewPrivate.super_setFrame(left, top, right, bottom); - if (!changed && mHeightCanMeasure) { - // When mHeightCanMeasure is true, we will set mLastHeightSent to 0 - // in WebViewCore after we get the first layout. We do call - // requestLayout() when we get contentSizeChanged(). But the View - // system won't call onSizeChanged if the dimension is not changed. - // In this case, we need to call sendViewSizeZoom() explicitly to - // notify the WebKit about the new dimensions. - sendViewSizeZoom(false); - } - updateRectsForGL(); - return changed; - } - - @Override - public void onSizeChanged(int w, int h, int ow, int oh) { - // adjust the max viewport width depending on the view dimensions. This - // is to ensure the scaling is not going insane. So do not shrink it if - // the view size is temporarily smaller, e.g. when soft keyboard is up. - int newMaxViewportWidth = (int) (Math.max(w, h) / mZoomManager.getDefaultMinZoomScale()); - if (newMaxViewportWidth > sMaxViewportWidth) { - sMaxViewportWidth = newMaxViewportWidth; - } - - mZoomManager.onSizeChanged(w, h, ow, oh); - - if (mLoadedPicture != null && mDelaySetPicture == null) { - // Size changes normally result in a new picture - // Re-set the loaded picture to simulate that - // However, do not update the base layer as that hasn't changed - setNewPicture(mLoadedPicture, false); - } - if (mIsEditingText) { - scrollEditIntoView(); - } - relocateAutoCompletePopup(); - } - - /** - * Scrolls the edit field into view using the minimum scrolling necessary. - * If the edit field is too large to fit in the visible window, the caret - * dimensions are used so that at least the caret is visible. - * A buffer of EDIT_RECT_BUFFER in view pixels is used to offset the - * edit rectangle to ensure a margin with the edge of the screen. - */ - private void scrollEditIntoView() { - Rect visibleRect = new Rect(viewToContentX(getScrollX()), - viewToContentY(getScrollY()), - viewToContentX(getScrollX() + getWidth()), - viewToContentY(getScrollY() + getViewHeightWithTitle())); - if (visibleRect.contains(mEditTextContentBounds)) { - return; // no need to scroll - } - syncSelectionCursors(); - nativeFindMaxVisibleRect(mNativeClass, mEditTextLayerId, visibleRect); - final int buffer = Math.max(1, viewToContentDimension(EDIT_RECT_BUFFER)); - Rect showRect = new Rect( - Math.max(0, mEditTextContentBounds.left - buffer), - Math.max(0, mEditTextContentBounds.top - buffer), - mEditTextContentBounds.right + buffer, - mEditTextContentBounds.bottom + buffer); - Point caretTop = calculateBaseCaretTop(); - if (visibleRect.width() < mEditTextContentBounds.width()) { - // The whole edit won't fit in the width, so use the caret rect - if (mSelectCursorBase.x < caretTop.x) { - showRect.left = Math.max(0, mSelectCursorBase.x - buffer); - showRect.right = caretTop.x + buffer; - } else { - showRect.left = Math.max(0, caretTop.x - buffer); - showRect.right = mSelectCursorBase.x + buffer; - } - } - if (visibleRect.height() < mEditTextContentBounds.height()) { - // The whole edit won't fit in the height, so use the caret rect - if (mSelectCursorBase.y > caretTop.y) { - showRect.top = Math.max(0, caretTop.y - buffer); - showRect.bottom = mSelectCursorBase.y + buffer; - } else { - showRect.top = Math.max(0, mSelectCursorBase.y - buffer); - showRect.bottom = caretTop.y + buffer; - } - } - - if (visibleRect.contains(showRect)) { - return; // no need to scroll - } - - int scrollX = viewToContentX(getScrollX()); - if (visibleRect.left > showRect.left) { - // We are scrolled too far - scrollX += showRect.left - visibleRect.left; - } else if (visibleRect.right < showRect.right) { - // We aren't scrolled enough to include the right - scrollX += showRect.right - visibleRect.right; - } - int scrollY = viewToContentY(getScrollY()); - if (visibleRect.top > showRect.top) { - scrollY += showRect.top - visibleRect.top; - } else if (visibleRect.bottom < showRect.bottom) { - scrollY += showRect.bottom - visibleRect.bottom; - } - - contentScrollTo(scrollX, scrollY, false); - } - - @Override - public void onScrollChanged(int l, int t, int oldl, int oldt) { - if (!mInOverScrollMode) { - sendOurVisibleRect(); - // update WebKit if visible title bar height changed. The logic is same - // as getVisibleTitleHeightImpl. - int titleHeight = getTitleHeight(); - if (Math.max(titleHeight - t, 0) != Math.max(titleHeight - oldt, 0)) { - sendViewSizeZoom(false); - } - } - } - - @Override - public boolean dispatchKeyEvent(KeyEvent event) { - switch (event.getAction()) { - case KeyEvent.ACTION_DOWN: - mKeysPressed.add(Integer.valueOf(event.getKeyCode())); - break; - case KeyEvent.ACTION_MULTIPLE: - // Always accept the action. - break; - case KeyEvent.ACTION_UP: - int location = mKeysPressed.indexOf(Integer.valueOf(event.getKeyCode())); - if (location == -1) { - // We did not receive the key down for this key, so do not - // handle the key up. - return false; - } else { - // We did receive the key down. Handle the key up, and - // remove it from our pressed keys. - mKeysPressed.remove(location); - } - break; - default: - // Accept the action. This should not happen, unless a new - // action is added to KeyEvent. - break; - } - return mWebViewPrivate.super_dispatchKeyEvent(event); - } - - private static final int SNAP_BOUND = 16; - private static int sChannelDistance = 16; - private int mFirstTouchX = -1; // the first touched point - private int mFirstTouchY = -1; - private int mDistanceX = 0; - private int mDistanceY = 0; - - private boolean inFullScreenMode() { - return mFullScreenHolder != null; - } - - private void dismissFullScreenMode() { - if (inFullScreenMode()) { - mFullScreenHolder.hide(); - mFullScreenHolder = null; - invalidate(); - } - } - - void onPinchToZoomAnimationStart() { - // cancel the single touch handling - cancelTouch(); - onZoomAnimationStart(); - } - - void onPinchToZoomAnimationEnd(ScaleGestureDetector detector) { - onZoomAnimationEnd(); - // start a drag, TOUCH_PINCH_DRAG, can't use TOUCH_INIT_MODE as - // it may trigger the unwanted click, can't use TOUCH_DRAG_MODE - // as it may trigger the unwanted fling. - mTouchMode = TOUCH_PINCH_DRAG; - mConfirmMove = true; - startTouch(detector.getFocusX(), detector.getFocusY(), mLastTouchTime); - } - - // See if there is a layer at x, y and switch to TOUCH_DRAG_LAYER_MODE if a - // layer is found. - private void startScrollingLayer(float x, float y) { - if (mNativeClass == 0) - return; - - int contentX = viewToContentX((int) x + getScrollX()); - int contentY = viewToContentY((int) y + getScrollY()); - mCurrentScrollingLayerId = nativeScrollableLayer(mNativeClass, - contentX, contentY, mScrollingLayerRect, mScrollingLayerBounds); - if (mCurrentScrollingLayerId != 0) { - mTouchMode = TOUCH_DRAG_LAYER_MODE; - } - } - - // 1/(density * density) used to compute the distance between points. - // Computed in init(). - private float DRAG_LAYER_INVERSE_DENSITY_SQUARED; - - // The distance between two points reported in onTouchEvent scaled by the - // density of the screen. - private static final int DRAG_LAYER_FINGER_DISTANCE = 20000; - - @Override - public boolean onHoverEvent(MotionEvent event) { - if (mNativeClass == 0) { - return false; - } - int x = viewToContentX((int) event.getX() + getScrollX()); - int y = viewToContentY((int) event.getY() + getScrollY()); - mWebViewCore.sendMessage(EventHub.SET_MOVE_MOUSE, x, y); - mWebViewPrivate.super_onHoverEvent(event); - return true; - } - - @Override - public boolean onTouchEvent(MotionEvent ev) { - if (mNativeClass == 0 || (!mWebView.isClickable() && !mWebView.isLongClickable())) { - return false; - } - - if (mInputDispatcher == null) { - return false; - } - - if (mWebView.isFocusable() && mWebView.isFocusableInTouchMode() - && !mWebView.isFocused()) { - mWebView.requestFocus(); - } - - if (mInputDispatcher.postPointerEvent(ev, getScrollX(), - getScrollY() - getTitleHeight(), mZoomManager.getInvScale())) { - mInputDispatcher.dispatchUiEvents(); - return true; - } else { - Log.w(LOGTAG, "mInputDispatcher rejected the event!"); - return false; - } - } - - /* - * Common code for single touch and multi-touch. - * (x, y) denotes current focus point, which is the touch point for single touch - * and the middle point for multi-touch. - */ - private void handleTouchEventCommon(MotionEvent event, int action, int x, int y) { - ScaleGestureDetector detector = mZoomManager.getScaleGestureDetector(); - - long eventTime = event.getEventTime(); - - // Due to the touch screen edge effect, a touch closer to the edge - // always snapped to the edge. As getViewWidth() can be different from - // getWidth() due to the scrollbar, adjusting the point to match - // getViewWidth(). Same applied to the height. - x = Math.min(x, getViewWidth() - 1); - y = Math.min(y, getViewHeightWithTitle() - 1); - - int deltaX = mLastTouchX - x; - int deltaY = mLastTouchY - y; - int contentX = viewToContentX(x + getScrollX()); - int contentY = viewToContentY(y + getScrollY()); - - switch (action) { - case MotionEvent.ACTION_DOWN: { - mConfirmMove = false; - - // Channel Scrolling - mFirstTouchX = x; - mFirstTouchY = y; - mDistanceX = mDistanceY = 0; - - if (!mEditTextScroller.isFinished()) { - mEditTextScroller.abortAnimation(); - } - if (!mScroller.isFinished()) { - // stop the current scroll animation, but if this is - // the start of a fling, allow it to add to the current - // fling's velocity - mScroller.abortAnimation(); - mTouchMode = TOUCH_DRAG_START_MODE; - mConfirmMove = true; - nativeSetIsScrolling(false); - } else if (mPrivateHandler.hasMessages(RELEASE_SINGLE_TAP)) { - mPrivateHandler.removeMessages(RELEASE_SINGLE_TAP); - removeTouchHighlight(); - if (deltaX * deltaX + deltaY * deltaY < mDoubleTapSlopSquare) { - mTouchMode = TOUCH_DOUBLE_TAP_MODE; - } else { - mTouchMode = TOUCH_INIT_MODE; - } - } else { // the normal case - mTouchMode = TOUCH_INIT_MODE; - if (mLogEvent && eventTime - mLastTouchUpTime < 1000) { - EventLog.writeEvent(EventLogTags.BROWSER_DOUBLE_TAP_DURATION, - (eventTime - mLastTouchUpTime), eventTime); - } - mSelectionStarted = false; - if (mSelectingText) { - ensureSelectionHandles(); - int shiftedY = y - getTitleHeight() + getScrollY(); - int shiftedX = x + getScrollX(); - if (mSelectHandleBaseBounds.contains(shiftedX, shiftedY)) { - mSelectionStarted = true; - mSelectDraggingCursor = mSelectCursorBase; - mSelectDraggingTextQuad = mSelectCursorBaseTextQuad; - if (mIsCaretSelection) { - mPrivateHandler.removeMessages(CLEAR_CARET_HANDLE); - hidePasteButton(); - } - } else if (mSelectHandleExtentBounds - .contains(shiftedX, shiftedY)) { - mSelectionStarted = true; - mSelectDraggingCursor = mSelectCursorExtent; - mSelectDraggingTextQuad = mSelectCursorExtentTextQuad; - } else if (mIsCaretSelection) { - selectionDone(); - } - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "select=" + contentX + "," + contentY); - } - } - } - // Trigger the link - if (!mSelectingText && (mTouchMode == TOUCH_INIT_MODE - || mTouchMode == TOUCH_DOUBLE_TAP_MODE)) { - mPrivateHandler.sendEmptyMessageDelayed( - SWITCH_TO_SHORTPRESS, TAP_TIMEOUT); - mPrivateHandler.sendEmptyMessageDelayed( - SWITCH_TO_LONGPRESS, LONG_PRESS_TIMEOUT); - } - startTouch(x, y, eventTime); - if (mIsEditingText) { - mTouchInEditText = mEditTextContentBounds - .contains(contentX, contentY); - } - break; - } - case MotionEvent.ACTION_MOVE: { - if (!mConfirmMove && (deltaX * deltaX + deltaY * deltaY) - >= mTouchSlopSquare) { - mPrivateHandler.removeMessages(SWITCH_TO_SHORTPRESS); - mPrivateHandler.removeMessages(SWITCH_TO_LONGPRESS); - mConfirmMove = true; - if (mTouchMode == TOUCH_DOUBLE_TAP_MODE) { - mTouchMode = TOUCH_INIT_MODE; - } - removeTouchHighlight(); - } - if (mSelectingText && mSelectionStarted) { - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "extend=" + contentX + "," + contentY); - } - ViewParent parent = mWebView.getParent(); - if (parent != null) { - parent.requestDisallowInterceptTouchEvent(true); - } - if (deltaX != 0 || deltaY != 0) { - int handleX = contentX + - viewToContentDimension(mSelectOffset.x); - int handleY = contentY + - viewToContentDimension(mSelectOffset.y); - mSelectDraggingCursor.set(handleX, handleY); - boolean inCursorText = - mSelectDraggingTextQuad.containsPoint(handleX, handleY); - boolean inEditBounds = mEditTextContentBounds - .contains(handleX, handleY); - if (mIsEditingText && !inEditBounds) { - beginScrollEdit(); - } else { - endScrollEdit(); - } - boolean snapped = false; - if (inCursorText || (mIsEditingText && !inEditBounds)) { - snapDraggingCursor(); - snapped = true; - } - updateWebkitSelection(snapped); - if (!inCursorText && mIsEditingText && inEditBounds) { - // Visually snap even if we have moved the handle. - snapDraggingCursor(); - } - mLastTouchX = x; - mLastTouchY = y; - invalidate(); - } - break; - } - - if (mTouchMode == TOUCH_DONE_MODE) { - // no dragging during scroll zoom animation, or when prevent - // default is yes - break; - } - if (mVelocityTracker == null) { - Log.e(LOGTAG, "Got null mVelocityTracker when " - + " mTouchMode = " + mTouchMode); - } else { - mVelocityTracker.addMovement(event); - } - - if (mTouchMode != TOUCH_DRAG_MODE && - mTouchMode != TOUCH_DRAG_LAYER_MODE && - mTouchMode != TOUCH_DRAG_TEXT_MODE) { - - if (!mConfirmMove) { - break; - } - - if ((detector == null || !detector.isInProgress()) - && SNAP_NONE == mSnapScrollMode) { - int ax = Math.abs(x - mFirstTouchX); - int ay = Math.abs(y - mFirstTouchY); - if (ax < SNAP_BOUND && ay < SNAP_BOUND) { - break; - } else if (ax < SNAP_BOUND) { - mSnapScrollMode = SNAP_Y; - } else if (ay < SNAP_BOUND) { - mSnapScrollMode = SNAP_X; - } - } - - mTouchMode = TOUCH_DRAG_MODE; - mLastTouchX = x; - mLastTouchY = y; - deltaX = 0; - deltaY = 0; - - startScrollingLayer(x, y); - startDrag(); - } - - // do pan - boolean keepScrollBarsVisible = false; - if (deltaX == 0 && deltaY == 0) { - keepScrollBarsVisible = true; - } else { - if (mSnapScrollMode == SNAP_X || mSnapScrollMode == SNAP_Y) { - mDistanceX += Math.abs(deltaX); - mDistanceY += Math.abs(deltaY); - if (mSnapScrollMode == SNAP_X) { - if (mDistanceY > sChannelDistance) { - mSnapScrollMode = SNAP_NONE; - } else if (mDistanceX > sChannelDistance) { - mDistanceX = mDistanceY = 0; - } - } else { - if (mDistanceX > sChannelDistance) { - mSnapScrollMode = SNAP_NONE; - } else if (mDistanceY > sChannelDistance) { - mDistanceX = mDistanceY = 0; - } - } - } - if (mSnapScrollMode != SNAP_NONE) { - if ((mSnapScrollMode & SNAP_X) == SNAP_X) { - deltaY = 0; - } else { - deltaX = 0; - } - } - if (deltaX * deltaX + deltaY * deltaY > mTouchSlopSquare) { - mHeldMotionless = MOTIONLESS_FALSE; - } else { - mHeldMotionless = MOTIONLESS_TRUE; - keepScrollBarsVisible = true; - } - - mLastTouchTime = eventTime; - boolean allDrag = doDrag(deltaX, deltaY); - if (allDrag) { - mLastTouchX = x; - mLastTouchY = y; - } else { - int contentDeltaX = (int)Math.floor(deltaX * mZoomManager.getInvScale()); - int roundedDeltaX = contentToViewDimension(contentDeltaX); - int contentDeltaY = (int)Math.floor(deltaY * mZoomManager.getInvScale()); - int roundedDeltaY = contentToViewDimension(contentDeltaY); - mLastTouchX -= roundedDeltaX; - mLastTouchY -= roundedDeltaY; - } - } - - break; - } - case MotionEvent.ACTION_UP: { - mFirstTouchX = mFirstTouchY = -1; - if (mIsEditingText && mSelectionStarted) { - endScrollEdit(); - mPrivateHandler.sendEmptyMessageDelayed(SCROLL_HANDLE_INTO_VIEW, - TEXT_SCROLL_FIRST_SCROLL_MS); - if (!mConfirmMove && mIsCaretSelection) { - showPasteWindow(); - stopTouch(); - break; - } - } - mLastTouchUpTime = eventTime; - if (mSentAutoScrollMessage) { - mAutoScrollX = mAutoScrollY = 0; - } - switch (mTouchMode) { - case TOUCH_DOUBLE_TAP_MODE: // double tap - mPrivateHandler.removeMessages(SWITCH_TO_SHORTPRESS); - mPrivateHandler.removeMessages(SWITCH_TO_LONGPRESS); - mTouchMode = TOUCH_DONE_MODE; - break; - case TOUCH_INIT_MODE: // tap - case TOUCH_SHORTPRESS_START_MODE: - case TOUCH_SHORTPRESS_MODE: - mPrivateHandler.removeMessages(SWITCH_TO_SHORTPRESS); - mPrivateHandler.removeMessages(SWITCH_TO_LONGPRESS); - if (!mConfirmMove) { - if (mSelectingText) { - // tapping on selection or controls does nothing - if (!mSelectionStarted) { - selectionDone(); - } - break; - } - // only trigger double tap if the WebView is - // scalable - if (mTouchMode == TOUCH_INIT_MODE - && (canZoomIn() || canZoomOut())) { - mPrivateHandler.sendEmptyMessageDelayed( - RELEASE_SINGLE_TAP, ViewConfiguration - .getDoubleTapTimeout()); - } - break; - } - case TOUCH_DRAG_MODE: - case TOUCH_DRAG_LAYER_MODE: - case TOUCH_DRAG_TEXT_MODE: - mPrivateHandler.removeMessages(DRAG_HELD_MOTIONLESS); - // if the user waits a while w/o moving before the - // up, we don't want to do a fling - if (eventTime - mLastTouchTime <= MIN_FLING_TIME) { - if (mVelocityTracker == null) { - Log.e(LOGTAG, "Got null mVelocityTracker"); - } else { - mVelocityTracker.addMovement(event); - } - // set to MOTIONLESS_IGNORE so that it won't keep - // removing and sending message in - // drawCoreAndCursorRing() - mHeldMotionless = MOTIONLESS_IGNORE; - doFling(); - break; - } else { - if (mScroller.springBack(getScrollX(), getScrollY(), 0, - computeMaxScrollX(), 0, - computeMaxScrollY())) { - invalidate(); - } - } - // redraw in high-quality, as we're done dragging - mHeldMotionless = MOTIONLESS_TRUE; - invalidate(); - // fall through - case TOUCH_DRAG_START_MODE: - // TOUCH_DRAG_START_MODE should not happen for the real - // device as we almost certain will get a MOVE. But this - // is possible on emulator. - mLastVelocity = 0; - WebViewCore.resumePriority(); - if (!mSelectingText) { - WebViewCore.resumeUpdatePicture(mWebViewCore); - } - break; - } - stopTouch(); - break; - } - case MotionEvent.ACTION_CANCEL: { - if (mTouchMode == TOUCH_DRAG_MODE) { - mScroller.springBack(getScrollX(), getScrollY(), 0, - computeMaxScrollX(), 0, computeMaxScrollY()); - invalidate(); - } - cancelTouch(); - break; - } - } - } - - /** - * Returns the text scroll speed in content pixels per millisecond based on - * the touch location. - * @param coordinate The x or y touch coordinate in content space - * @param min The minimum coordinate (x or y) of the edit content bounds - * @param max The maximum coordinate (x or y) of the edit content bounds - */ - private static float getTextScrollSpeed(int coordinate, int min, int max) { - if (coordinate < min) { - return (coordinate - min) * TEXT_SCROLL_RATE; - } else if (coordinate >= max) { - return (coordinate - max + 1) * TEXT_SCROLL_RATE; - } else { - return 0.0f; - } - } - - private static int getSelectionCoordinate(int coordinate, int min, int max) { - return Math.max(Math.min(coordinate, max), min); - } - - private void beginScrollEdit() { - if (mLastEditScroll == 0) { - mLastEditScroll = SystemClock.uptimeMillis() - - TEXT_SCROLL_FIRST_SCROLL_MS; - scrollEditWithCursor(); - } - } - - private void scrollDraggedSelectionHandleIntoView() { - if (mSelectDraggingCursor == null) { - return; - } - int x = mSelectDraggingCursor.x; - int y = mSelectDraggingCursor.y; - if (!mEditTextContentBounds.contains(x,y)) { - int left = Math.min(0, x - mEditTextContentBounds.left - EDIT_RECT_BUFFER); - int right = Math.max(0, x - mEditTextContentBounds.right + EDIT_RECT_BUFFER); - int deltaX = left + right; - int above = Math.min(0, y - mEditTextContentBounds.top - EDIT_RECT_BUFFER); - int below = Math.max(0, y - mEditTextContentBounds.bottom + EDIT_RECT_BUFFER); - int deltaY = above + below; - if (deltaX != 0 || deltaY != 0) { - int scrollX = getTextScrollX() + deltaX; - int scrollY = getTextScrollY() + deltaY; - scrollX = clampBetween(scrollX, 0, getMaxTextScrollX()); - scrollY = clampBetween(scrollY, 0, getMaxTextScrollY()); - scrollEditText(scrollX, scrollY); - } - } - } - - private void endScrollEdit() { - mLastEditScroll = 0; - } - - private static int clampBetween(int value, int min, int max) { - return Math.max(min, Math.min(value, max)); - } - - private static int getTextScrollDelta(float speed, long deltaT) { - float distance = speed * deltaT; - int intDistance = (int)Math.floor(distance); - float probability = distance - intDistance; - if (Math.random() < probability) { - intDistance++; - } - return intDistance; - } - /** - * Scrolls edit text a distance based on the last touch point, - * the last scroll time, and the edit text content bounds. - */ - private void scrollEditWithCursor() { - if (mLastEditScroll != 0) { - int x = viewToContentX(mLastTouchX + getScrollX() + mSelectOffset.x); - float scrollSpeedX = getTextScrollSpeed(x, mEditTextContentBounds.left, - mEditTextContentBounds.right); - int y = viewToContentY(mLastTouchY + getScrollY() + mSelectOffset.y); - float scrollSpeedY = getTextScrollSpeed(y, mEditTextContentBounds.top, - mEditTextContentBounds.bottom); - if (scrollSpeedX == 0.0f && scrollSpeedY == 0.0f) { - endScrollEdit(); - } else { - long currentTime = SystemClock.uptimeMillis(); - long timeSinceLastUpdate = currentTime - mLastEditScroll; - int deltaX = getTextScrollDelta(scrollSpeedX, timeSinceLastUpdate); - int deltaY = getTextScrollDelta(scrollSpeedY, timeSinceLastUpdate); - int scrollX = getTextScrollX() + deltaX; - scrollX = clampBetween(scrollX, 0, getMaxTextScrollX()); - int scrollY = getTextScrollY() + deltaY; - scrollY = clampBetween(scrollY, 0, getMaxTextScrollY()); - - mLastEditScroll = currentTime; - if (scrollX == getTextScrollX() && scrollY == getTextScrollY()) { - // By probability no text scroll this time. Try again later. - mPrivateHandler.sendEmptyMessageDelayed(SCROLL_EDIT_TEXT, - TEXT_SCROLL_FIRST_SCROLL_MS); - } else { - int selectionX = getSelectionCoordinate(x, - mEditTextContentBounds.left, mEditTextContentBounds.right); - int selectionY = getSelectionCoordinate(y, - mEditTextContentBounds.top, mEditTextContentBounds.bottom); - int oldX = mSelectDraggingCursor.x; - int oldY = mSelectDraggingCursor.y; - mSelectDraggingCursor.set(selectionX, selectionY); - updateWebkitSelection(false); - scrollEditText(scrollX, scrollY); - mSelectDraggingCursor.set(oldX, oldY); - } - } - } - } - - private void startTouch(float x, float y, long eventTime) { - // Remember where the motion event started - mStartTouchX = mLastTouchX = Math.round(x); - mStartTouchY = mLastTouchY = Math.round(y); - mLastTouchTime = eventTime; - mVelocityTracker = VelocityTracker.obtain(); - mSnapScrollMode = SNAP_NONE; - } - - private void startDrag() { - WebViewCore.reducePriority(); - // to get better performance, pause updating the picture - WebViewCore.pauseUpdatePicture(mWebViewCore); - nativeSetIsScrolling(true); - - if (mHorizontalScrollBarMode != SCROLLBAR_ALWAYSOFF - || mVerticalScrollBarMode != SCROLLBAR_ALWAYSOFF) { - mZoomManager.invokeZoomPicker(); - } - } - - private boolean doDrag(int deltaX, int deltaY) { - boolean allDrag = true; - if ((deltaX | deltaY) != 0) { - int oldX = getScrollX(); - int oldY = getScrollY(); - int rangeX = computeMaxScrollX(); - int rangeY = computeMaxScrollY(); - final int contentX = (int)Math.floor(deltaX * mZoomManager.getInvScale()); - final int contentY = (int)Math.floor(deltaY * mZoomManager.getInvScale()); - - // Assume page scrolling and change below if we're wrong - mTouchMode = TOUCH_DRAG_MODE; - - // Check special scrolling before going to main page scrolling. - if (mIsEditingText && mTouchInEditText && canTextScroll(deltaX, deltaY)) { - // Edit text scrolling - oldX = getTextScrollX(); - rangeX = getMaxTextScrollX(); - deltaX = contentX; - oldY = getTextScrollY(); - rangeY = getMaxTextScrollY(); - deltaY = contentY; - mTouchMode = TOUCH_DRAG_TEXT_MODE; - allDrag = false; - } else if (mCurrentScrollingLayerId != 0) { - // Check the scrolling bounds to see if we will actually do any - // scrolling. The rectangle is in document coordinates. - final int maxX = mScrollingLayerRect.right; - final int maxY = mScrollingLayerRect.bottom; - final int resultX = clampBetween(maxX, 0, - mScrollingLayerRect.left + contentX); - final int resultY = clampBetween(maxY, 0, - mScrollingLayerRect.top + contentY); - - if (resultX != mScrollingLayerRect.left - || resultY != mScrollingLayerRect.top - || (contentX | contentY) == 0) { - // In case we switched to dragging the page. - mTouchMode = TOUCH_DRAG_LAYER_MODE; - deltaX = contentX; - deltaY = contentY; - oldX = mScrollingLayerRect.left; - oldY = mScrollingLayerRect.top; - rangeX = maxX; - rangeY = maxY; - allDrag = false; - } - } - - if (mOverScrollGlow != null) { - mOverScrollGlow.setOverScrollDeltas(deltaX, deltaY); - } - - mWebViewPrivate.overScrollBy(deltaX, deltaY, oldX, oldY, - rangeX, rangeY, - mOverscrollDistance, mOverscrollDistance, true); - if (mOverScrollGlow != null && mOverScrollGlow.isAnimating()) { - invalidate(); - } - } - mZoomManager.keepZoomPickerVisible(); - return allDrag; - } - - private void stopTouch() { - if (mScroller.isFinished() && !mSelectingText - && (mTouchMode == TOUCH_DRAG_MODE - || mTouchMode == TOUCH_DRAG_LAYER_MODE)) { - WebViewCore.resumePriority(); - WebViewCore.resumeUpdatePicture(mWebViewCore); - nativeSetIsScrolling(false); - } - - // we also use mVelocityTracker == null to tell us that we are - // not "moving around", so we can take the slower/prettier - // mode in the drawing code - if (mVelocityTracker != null) { - mVelocityTracker.recycle(); - mVelocityTracker = null; - } - - // Release any pulled glows - if (mOverScrollGlow != null) { - mOverScrollGlow.releaseAll(); - } - - if (mSelectingText) { - mSelectionStarted = false; - syncSelectionCursors(); - if (mIsCaretSelection) { - resetCaretTimer(); - } - invalidate(); - } - } - - private void cancelTouch() { - // we also use mVelocityTracker == null to tell us that we are - // not "moving around", so we can take the slower/prettier - // mode in the drawing code - if (mVelocityTracker != null) { - mVelocityTracker.recycle(); - mVelocityTracker = null; - } - - if ((mTouchMode == TOUCH_DRAG_MODE - || mTouchMode == TOUCH_DRAG_LAYER_MODE) && !mSelectingText) { - WebViewCore.resumePriority(); - WebViewCore.resumeUpdatePicture(mWebViewCore); - nativeSetIsScrolling(false); - } - mPrivateHandler.removeMessages(SWITCH_TO_SHORTPRESS); - mPrivateHandler.removeMessages(SWITCH_TO_LONGPRESS); - mPrivateHandler.removeMessages(DRAG_HELD_MOTIONLESS); - removeTouchHighlight(); - mHeldMotionless = MOTIONLESS_TRUE; - mTouchMode = TOUCH_DONE_MODE; - } - - private void snapDraggingCursor() { - float scale = scaleAlongSegment( - mSelectDraggingCursor.x, mSelectDraggingCursor.y, - mSelectDraggingTextQuad.p4, mSelectDraggingTextQuad.p3); - // clamp scale to ensure point is on the bottom segment - scale = Math.max(0.0f, scale); - scale = Math.min(scale, 1.0f); - float newX = scaleCoordinate(scale, - mSelectDraggingTextQuad.p4.x, mSelectDraggingTextQuad.p3.x); - float newY = scaleCoordinate(scale, - mSelectDraggingTextQuad.p4.y, mSelectDraggingTextQuad.p3.y); - int x = Math.round(newX); - int y = Math.round(newY); - if (mIsEditingText) { - x = clampBetween(x, mEditTextContentBounds.left, - mEditTextContentBounds.right); - y = clampBetween(y, mEditTextContentBounds.top, - mEditTextContentBounds.bottom); - } - mSelectDraggingCursor.set(x, y); - } - - private static float scaleCoordinate(float scale, float coord1, float coord2) { - float diff = coord2 - coord1; - return coord1 + (scale * diff); - } - - @Override - public boolean onGenericMotionEvent(MotionEvent event) { - if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) { - switch (event.getAction()) { - case MotionEvent.ACTION_SCROLL: { - final float vscroll; - final float hscroll; - if ((event.getMetaState() & KeyEvent.META_SHIFT_ON) != 0) { - vscroll = 0; - hscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL); - } else { - vscroll = -event.getAxisValue(MotionEvent.AXIS_VSCROLL); - hscroll = event.getAxisValue(MotionEvent.AXIS_HSCROLL); - } - if (hscroll != 0 || vscroll != 0) { - final int vdelta = (int) (vscroll * - mWebViewPrivate.getVerticalScrollFactor()); - final int hdelta = (int) (hscroll * - mWebViewPrivate.getHorizontalScrollFactor()); - - abortAnimation(); - int oldTouchMode = mTouchMode; - startScrollingLayer(event.getX(), event.getY()); - doDrag(hdelta, vdelta); - mTouchMode = oldTouchMode; - return true; - } - } - } - } - return mWebViewPrivate.super_onGenericMotionEvent(event); - } - - private long mTrackballFirstTime = 0; - private long mTrackballLastTime = 0; - private float mTrackballRemainsX = 0.0f; - private float mTrackballRemainsY = 0.0f; - private int mTrackballXMove = 0; - private int mTrackballYMove = 0; - private boolean mSelectingText = false; - private boolean mShowTextSelectionExtra = false; - private boolean mSelectionStarted = false; - private static final int TRACKBALL_KEY_TIMEOUT = 1000; - private static final int TRACKBALL_TIMEOUT = 200; - private static final int TRACKBALL_WAIT = 100; - private static final int TRACKBALL_SCALE = 400; - private static final int TRACKBALL_SCROLL_COUNT = 5; - private static final int TRACKBALL_MOVE_COUNT = 10; - private static final int TRACKBALL_MULTIPLIER = 3; - private static final int SELECT_CURSOR_OFFSET = 16; - private static final int SELECT_SCROLL = 5; - private int mSelectX = 0; - private int mSelectY = 0; - private boolean mTrackballDown = false; - private long mTrackballUpTime = 0; - private long mLastCursorTime = 0; - private Rect mLastCursorBounds; - private SelectionHandleAlpha mBaseAlpha = new SelectionHandleAlpha(); - private SelectionHandleAlpha mExtentAlpha = new SelectionHandleAlpha(); - private ObjectAnimator mBaseHandleAlphaAnimator = - ObjectAnimator.ofInt(mBaseAlpha, "alpha", 0); - private ObjectAnimator mExtentHandleAlphaAnimator = - ObjectAnimator.ofInt(mExtentAlpha, "alpha", 0); - - // Set by default; BrowserActivity clears to interpret trackball data - // directly for movement. Currently, the framework only passes - // arrow key events, not trackball events, from one child to the next - private boolean mMapTrackballToArrowKeys = true; - - private DrawData mDelaySetPicture; - private DrawData mLoadedPicture; - - @Override - public void setMapTrackballToArrowKeys(boolean setMap) { - mMapTrackballToArrowKeys = setMap; - } - - void resetTrackballTime() { - mTrackballLastTime = 0; - } - - @Override - public boolean onTrackballEvent(MotionEvent ev) { - long time = ev.getEventTime(); - if ((ev.getMetaState() & KeyEvent.META_ALT_ON) != 0) { - if (ev.getY() > 0) pageDown(true); - if (ev.getY() < 0) pageUp(true); - return true; - } - if (ev.getAction() == MotionEvent.ACTION_DOWN) { - if (mSelectingText) { - return true; // discard press if copy in progress - } - mTrackballDown = true; - if (mNativeClass == 0) { - return false; - } - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "onTrackballEvent down ev=" + ev - + " time=" + time - + " mLastCursorTime=" + mLastCursorTime); - } - if (mWebView.isInTouchMode()) mWebView.requestFocusFromTouch(); - return false; // let common code in onKeyDown at it - } - if (ev.getAction() == MotionEvent.ACTION_UP) { - // LONG_PRESS_CENTER is set in common onKeyDown - mPrivateHandler.removeMessages(LONG_PRESS_CENTER); - mTrackballDown = false; - mTrackballUpTime = time; - if (mSelectingText) { - copySelection(); - selectionDone(); - return true; // discard press if copy in progress - } - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "onTrackballEvent up ev=" + ev - + " time=" + time - ); - } - return false; // let common code in onKeyUp at it - } - if ((mMapTrackballToArrowKeys && (ev.getMetaState() & KeyEvent.META_SHIFT_ON) == 0) || - AccessibilityManager.getInstance(mContext).isEnabled()) { - if (DebugFlags.WEB_VIEW) Log.v(LOGTAG, "onTrackballEvent gmail quit"); - return false; - } - if (mTrackballDown) { - if (DebugFlags.WEB_VIEW) Log.v(LOGTAG, "onTrackballEvent down quit"); - return true; // discard move if trackball is down - } - if (time - mTrackballUpTime < TRACKBALL_TIMEOUT) { - if (DebugFlags.WEB_VIEW) Log.v(LOGTAG, "onTrackballEvent up timeout quit"); - return true; - } - // TODO: alternatively we can do panning as touch does - switchOutDrawHistory(); - if (time - mTrackballLastTime > TRACKBALL_TIMEOUT) { - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "onTrackballEvent time=" - + time + " last=" + mTrackballLastTime); - } - mTrackballFirstTime = time; - mTrackballXMove = mTrackballYMove = 0; - } - mTrackballLastTime = time; - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "onTrackballEvent ev=" + ev + " time=" + time); - } - mTrackballRemainsX += ev.getX(); - mTrackballRemainsY += ev.getY(); - doTrackball(time, ev.getMetaState()); - return true; - } - - private int scaleTrackballX(float xRate, int width) { - int xMove = (int) (xRate / TRACKBALL_SCALE * width); - int nextXMove = xMove; - if (xMove > 0) { - if (xMove > mTrackballXMove) { - xMove -= mTrackballXMove; - } - } else if (xMove < mTrackballXMove) { - xMove -= mTrackballXMove; - } - mTrackballXMove = nextXMove; - return xMove; - } - - private int scaleTrackballY(float yRate, int height) { - int yMove = (int) (yRate / TRACKBALL_SCALE * height); - int nextYMove = yMove; - if (yMove > 0) { - if (yMove > mTrackballYMove) { - yMove -= mTrackballYMove; - } - } else if (yMove < mTrackballYMove) { - yMove -= mTrackballYMove; - } - mTrackballYMove = nextYMove; - return yMove; - } - - private int keyCodeToSoundsEffect(int keyCode) { - switch(keyCode) { - case KeyEvent.KEYCODE_DPAD_UP: - return SoundEffectConstants.NAVIGATION_UP; - case KeyEvent.KEYCODE_DPAD_RIGHT: - return SoundEffectConstants.NAVIGATION_RIGHT; - case KeyEvent.KEYCODE_DPAD_DOWN: - return SoundEffectConstants.NAVIGATION_DOWN; - case KeyEvent.KEYCODE_DPAD_LEFT: - return SoundEffectConstants.NAVIGATION_LEFT; - } - return 0; - } - - private void doTrackball(long time, int metaState) { - int elapsed = (int) (mTrackballLastTime - mTrackballFirstTime); - if (elapsed == 0) { - elapsed = TRACKBALL_TIMEOUT; - } - float xRate = mTrackballRemainsX * 1000 / elapsed; - float yRate = mTrackballRemainsY * 1000 / elapsed; - int viewWidth = getViewWidth(); - int viewHeight = getViewHeight(); - float ax = Math.abs(xRate); - float ay = Math.abs(yRate); - float maxA = Math.max(ax, ay); - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "doTrackball elapsed=" + elapsed - + " xRate=" + xRate - + " yRate=" + yRate - + " mTrackballRemainsX=" + mTrackballRemainsX - + " mTrackballRemainsY=" + mTrackballRemainsY); - } - int width = mContentWidth - viewWidth; - int height = mContentHeight - viewHeight; - if (width < 0) width = 0; - if (height < 0) height = 0; - ax = Math.abs(mTrackballRemainsX * TRACKBALL_MULTIPLIER); - ay = Math.abs(mTrackballRemainsY * TRACKBALL_MULTIPLIER); - maxA = Math.max(ax, ay); - int count = Math.max(0, (int) maxA); - int oldScrollX = getScrollX(); - int oldScrollY = getScrollY(); - if (count > 0) { - int selectKeyCode = ax < ay ? mTrackballRemainsY < 0 ? - KeyEvent.KEYCODE_DPAD_UP : KeyEvent.KEYCODE_DPAD_DOWN : - mTrackballRemainsX < 0 ? KeyEvent.KEYCODE_DPAD_LEFT : - KeyEvent.KEYCODE_DPAD_RIGHT; - count = Math.min(count, TRACKBALL_MOVE_COUNT); - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "doTrackball keyCode=" + selectKeyCode - + " count=" + count - + " mTrackballRemainsX=" + mTrackballRemainsX - + " mTrackballRemainsY=" + mTrackballRemainsY); - } - if (mNativeClass != 0) { - for (int i = 0; i < count; i++) { - letPageHandleNavKey(selectKeyCode, time, true, metaState); - } - letPageHandleNavKey(selectKeyCode, time, false, metaState); - } - mTrackballRemainsX = mTrackballRemainsY = 0; - } - if (count >= TRACKBALL_SCROLL_COUNT) { - int xMove = scaleTrackballX(xRate, width); - int yMove = scaleTrackballY(yRate, height); - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "doTrackball pinScrollBy" - + " count=" + count - + " xMove=" + xMove + " yMove=" + yMove - + " mScrollX-oldScrollX=" + (getScrollX()-oldScrollX) - + " mScrollY-oldScrollY=" + (getScrollY()-oldScrollY) - ); - } - if (Math.abs(getScrollX() - oldScrollX) > Math.abs(xMove)) { - xMove = 0; - } - if (Math.abs(getScrollY() - oldScrollY) > Math.abs(yMove)) { - yMove = 0; - } - if (xMove != 0 || yMove != 0) { - pinScrollBy(xMove, yMove, true, 0); - } - } - } - - /** - * Compute the maximum horizontal scroll position. Used by {@link OverScrollGlow}. - * @return Maximum horizontal scroll position within real content - */ - int computeMaxScrollX() { - return Math.max(computeRealHorizontalScrollRange() - getViewWidth(), 0); - } - - /** - * Compute the maximum vertical scroll position. Used by {@link OverScrollGlow}. - * @return Maximum vertical scroll position within real content - */ - int computeMaxScrollY() { - return Math.max(computeRealVerticalScrollRange() + getTitleHeight() - - getViewHeightWithTitle(), 0); - } - - boolean updateScrollCoordinates(int x, int y) { - int oldX = getScrollX(); - int oldY = getScrollY(); - setScrollXRaw(x); - setScrollYRaw(y); - if (oldX != getScrollX() || oldY != getScrollY()) { - mWebViewPrivate.onScrollChanged(getScrollX(), getScrollY(), oldX, oldY); - return true; - } else { - return false; - } - } - - @Override - public void flingScroll(int vx, int vy) { - mScroller.fling(getScrollX(), getScrollY(), vx, vy, 0, computeMaxScrollX(), 0, - computeMaxScrollY(), mOverflingDistance, mOverflingDistance); - invalidate(); - } - - private void doFling() { - if (mVelocityTracker == null) { - return; - } - int maxX = computeMaxScrollX(); - int maxY = computeMaxScrollY(); - - mVelocityTracker.computeCurrentVelocity(1000, mMaximumFling); - int vx = (int) mVelocityTracker.getXVelocity(); - int vy = (int) mVelocityTracker.getYVelocity(); - - int scrollX = getScrollX(); - int scrollY = getScrollY(); - int overscrollDistance = mOverscrollDistance; - int overflingDistance = mOverflingDistance; - - // Use the layer's scroll data if applicable. - if (mTouchMode == TOUCH_DRAG_LAYER_MODE) { - scrollX = mScrollingLayerRect.left; - scrollY = mScrollingLayerRect.top; - maxX = mScrollingLayerRect.right; - maxY = mScrollingLayerRect.bottom; - // No overscrolling for layers. - overscrollDistance = overflingDistance = 0; - } else if (mTouchMode == TOUCH_DRAG_TEXT_MODE) { - scrollX = getTextScrollX(); - scrollY = getTextScrollY(); - maxX = getMaxTextScrollX(); - maxY = getMaxTextScrollY(); - // No overscrolling for edit text. - overscrollDistance = overflingDistance = 0; - } - - if (mSnapScrollMode != SNAP_NONE) { - if ((mSnapScrollMode & SNAP_X) == SNAP_X) { - vy = 0; - } else { - vx = 0; - } - } - if ((maxX == 0 && vy == 0) || (maxY == 0 && vx == 0)) { - WebViewCore.resumePriority(); - if (!mSelectingText) { - WebViewCore.resumeUpdatePicture(mWebViewCore); - } - if (mScroller.springBack(scrollX, scrollY, 0, maxX, 0, maxY)) { - invalidate(); - } - return; - } - float currentVelocity = mScroller.getCurrVelocity(); - float velocity = (float) Math.hypot(vx, vy); - if (mLastVelocity > 0 && currentVelocity > 0 && velocity - > mLastVelocity * MINIMUM_VELOCITY_RATIO_FOR_ACCELERATION) { - float deltaR = (float) (Math.abs(Math.atan2(mLastVelY, mLastVelX) - - Math.atan2(vy, vx))); - final float circle = (float) (Math.PI) * 2.0f; - if (deltaR > circle * 0.9f || deltaR < circle * 0.1f) { - vx += currentVelocity * mLastVelX / mLastVelocity; - vy += currentVelocity * mLastVelY / mLastVelocity; - velocity = (float) Math.hypot(vx, vy); - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "doFling vx= " + vx + " vy=" + vy); - } - } else if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "doFling missed " + deltaR / circle); - } - } else if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "doFling start last=" + mLastVelocity - + " current=" + currentVelocity - + " vx=" + vx + " vy=" + vy - + " maxX=" + maxX + " maxY=" + maxY - + " scrollX=" + scrollX + " scrollY=" + scrollY - + " layer=" + mCurrentScrollingLayerId); - } - - // Allow sloppy flings without overscrolling at the edges. - if ((scrollX == 0 || scrollX == maxX) && Math.abs(vx) < Math.abs(vy)) { - vx = 0; - } - if ((scrollY == 0 || scrollY == maxY) && Math.abs(vy) < Math.abs(vx)) { - vy = 0; - } - - if (overscrollDistance < overflingDistance) { - if ((vx > 0 && scrollX == -overscrollDistance) || - (vx < 0 && scrollX == maxX + overscrollDistance)) { - vx = 0; - } - if ((vy > 0 && scrollY == -overscrollDistance) || - (vy < 0 && scrollY == maxY + overscrollDistance)) { - vy = 0; - } - } - - mLastVelX = vx; - mLastVelY = vy; - mLastVelocity = velocity; - - // no horizontal overscroll if the content just fits - mScroller.fling(scrollX, scrollY, -vx, -vy, 0, maxX, 0, maxY, - maxX == 0 ? 0 : overflingDistance, overflingDistance); - - invalidate(); - } - - /** - * See {@link WebView#getZoomControls()} - */ - @Override - @Deprecated - public View getZoomControls() { - if (!getSettings().supportZoom()) { - Log.w(LOGTAG, "This WebView doesn't support zoom."); - return null; - } - return mZoomManager.getExternalZoomPicker(); - } - - void dismissZoomControl() { - mZoomManager.dismissZoomPicker(); - } - - float getDefaultZoomScale() { - return mZoomManager.getDefaultScale(); - } - - /** - * Return the overview scale of the WebView - * @return The overview scale. - */ - float getZoomOverviewScale() { - return mZoomManager.getZoomOverviewScale(); - } - - /** - * See {@link WebView#canZoomIn()} - */ - @Override - public boolean canZoomIn() { - return mZoomManager.canZoomIn(); - } - - /** - * See {@link WebView#canZoomOut()} - */ - @Override - public boolean canZoomOut() { - return mZoomManager.canZoomOut(); - } - - /** - * See {@link WebView#zoomIn()} - */ - @Override - public boolean zoomIn() { - return mZoomManager.zoomIn(); - } - - /** - * See {@link WebView#zoomOut()} - */ - @Override - public boolean zoomOut() { - return mZoomManager.zoomOut(); - } - - /* - * Return true if the rect (e.g. plugin) is fully visible and maximized - * inside the WebView. - */ - boolean isRectFitOnScreen(Rect rect) { - final int rectWidth = rect.width(); - final int rectHeight = rect.height(); - final int viewWidth = getViewWidth(); - final int viewHeight = getViewHeightWithTitle(); - float scale = Math.min((float) viewWidth / rectWidth, (float) viewHeight / rectHeight); - scale = mZoomManager.computeScaleWithLimits(scale); - return !mZoomManager.willScaleTriggerZoom(scale) - && contentToViewX(rect.left) >= getScrollX() - && contentToViewX(rect.right) <= getScrollX() + viewWidth - && contentToViewY(rect.top) >= getScrollY() - && contentToViewY(rect.bottom) <= getScrollY() + viewHeight; - } - - /* - * Maximize and center the rectangle, specified in the document coordinate - * space, inside the WebView. If the zoom doesn't need to be changed, do an - * animated scroll to center it. If the zoom needs to be changed, find the - * zoom center and do a smooth zoom transition. The rect is in document - * coordinates - */ - void centerFitRect(Rect rect) { - final int rectWidth = rect.width(); - final int rectHeight = rect.height(); - final int viewWidth = getViewWidth(); - final int viewHeight = getViewHeightWithTitle(); - float scale = Math.min((float) viewWidth / rectWidth, (float) viewHeight - / rectHeight); - scale = mZoomManager.computeScaleWithLimits(scale); - if (!mZoomManager.willScaleTriggerZoom(scale)) { - pinScrollTo(contentToViewX(rect.left + rectWidth / 2) - viewWidth / 2, - contentToViewY(rect.top + rectHeight / 2) - viewHeight / 2, - true, 0); - } else { - float actualScale = mZoomManager.getScale(); - float oldScreenX = rect.left * actualScale - getScrollX(); - float rectViewX = rect.left * scale; - float rectViewWidth = rectWidth * scale; - float newMaxWidth = mContentWidth * scale; - float newScreenX = (viewWidth - rectViewWidth) / 2; - // pin the newX to the WebView - if (newScreenX > rectViewX) { - newScreenX = rectViewX; - } else if (newScreenX > (newMaxWidth - rectViewX - rectViewWidth)) { - newScreenX = viewWidth - (newMaxWidth - rectViewX); - } - float zoomCenterX = (oldScreenX * scale - newScreenX * actualScale) - / (scale - actualScale); - float oldScreenY = rect.top * actualScale + getTitleHeight() - - getScrollY(); - float rectViewY = rect.top * scale + getTitleHeight(); - float rectViewHeight = rectHeight * scale; - float newMaxHeight = mContentHeight * scale + getTitleHeight(); - float newScreenY = (viewHeight - rectViewHeight) / 2; - // pin the newY to the WebView - if (newScreenY > rectViewY) { - newScreenY = rectViewY; - } else if (newScreenY > (newMaxHeight - rectViewY - rectViewHeight)) { - newScreenY = viewHeight - (newMaxHeight - rectViewY); - } - float zoomCenterY = (oldScreenY * scale - newScreenY * actualScale) - / (scale - actualScale); - mZoomManager.setZoomCenter(zoomCenterX, zoomCenterY); - mZoomManager.startZoomAnimation(scale, false); - } - } - - // Called by JNI to handle a touch on a node representing an email address, - // address, or phone number - private void overrideLoading(String url) { - mCallbackProxy.uiOverrideUrlLoading(url); - } - - @Override - public boolean requestFocus(int direction, Rect previouslyFocusedRect) { - // Check if we are destroyed - if (mWebViewCore == null) return false; - // FIXME: If a subwindow is showing find, and the user touches the - // background window, it can steal focus. - if (mFindIsUp) return false; - boolean result = false; - result = mWebViewPrivate.super_requestFocus(direction, previouslyFocusedRect); - if (mWebViewCore.getSettings().getNeedInitialFocus() - && !mWebView.isInTouchMode()) { - // For cases such as GMail, where we gain focus from a direction, - // we want to move to the first available link. - // FIXME: If there are no visible links, we may not want to - int fakeKeyDirection = 0; - switch(direction) { - case View.FOCUS_UP: - fakeKeyDirection = KeyEvent.KEYCODE_DPAD_UP; - break; - case View.FOCUS_DOWN: - fakeKeyDirection = KeyEvent.KEYCODE_DPAD_DOWN; - break; - case View.FOCUS_LEFT: - fakeKeyDirection = KeyEvent.KEYCODE_DPAD_LEFT; - break; - case View.FOCUS_RIGHT: - fakeKeyDirection = KeyEvent.KEYCODE_DPAD_RIGHT; - break; - default: - return result; - } - mWebViewCore.sendMessage(EventHub.SET_INITIAL_FOCUS, fakeKeyDirection); - } - return result; - } - - @Override - public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { - int heightMode = MeasureSpec.getMode(heightMeasureSpec); - int heightSize = MeasureSpec.getSize(heightMeasureSpec); - int widthMode = MeasureSpec.getMode(widthMeasureSpec); - int widthSize = MeasureSpec.getSize(widthMeasureSpec); - - int measuredHeight = heightSize; - int measuredWidth = widthSize; - - // Grab the content size from WebViewCore. - int contentHeight = contentToViewDimension(mContentHeight); - int contentWidth = contentToViewDimension(mContentWidth); - -// Log.d(LOGTAG, "------- measure " + heightMode); - - if (heightMode != MeasureSpec.EXACTLY) { - mHeightCanMeasure = true; - measuredHeight = contentHeight; - if (heightMode == MeasureSpec.AT_MOST) { - // If we are larger than the AT_MOST height, then our height can - // no longer be measured and we should scroll internally. - if (measuredHeight > heightSize) { - measuredHeight = heightSize; - mHeightCanMeasure = false; - measuredHeight |= View.MEASURED_STATE_TOO_SMALL; - } - } - } else { - mHeightCanMeasure = false; - } - if (mNativeClass != 0) { - nativeSetHeightCanMeasure(mHeightCanMeasure); - } - // For the width, always use the given size unless unspecified. - if (widthMode == MeasureSpec.UNSPECIFIED) { - mWidthCanMeasure = true; - measuredWidth = contentWidth; - } else { - if (measuredWidth < contentWidth) { - measuredWidth |= View.MEASURED_STATE_TOO_SMALL; - } - mWidthCanMeasure = false; - } - - synchronized (this) { - mWebViewPrivate.setMeasuredDimension(measuredWidth, measuredHeight); - } - } - - @Override - public boolean requestChildRectangleOnScreen(View child, - Rect rect, - boolean immediate) { - if (mNativeClass == 0) { - return false; - } - // don't scroll while in zoom animation. When it is done, we will adjust - // the necessary components - if (mZoomManager.isFixedLengthAnimationInProgress()) { - return false; - } - - rect.offset(child.getLeft() - child.getScrollX(), - child.getTop() - child.getScrollY()); - - Rect content = new Rect(viewToContentX(getScrollX()), - viewToContentY(getScrollY()), - viewToContentX(getScrollX() + getWidth() - - mWebView.getVerticalScrollbarWidth()), - viewToContentY(getScrollY() + getViewHeightWithTitle())); - int screenTop = contentToViewY(content.top); - int screenBottom = contentToViewY(content.bottom); - int height = screenBottom - screenTop; - int scrollYDelta = 0; - - if (rect.bottom > screenBottom) { - int oneThirdOfScreenHeight = height / 3; - if (rect.height() > 2 * oneThirdOfScreenHeight) { - // If the rectangle is too tall to fit in the bottom two thirds - // of the screen, place it at the top. - scrollYDelta = rect.top - screenTop; - } else { - // If the rectangle will still fit on screen, we want its - // top to be in the top third of the screen. - scrollYDelta = rect.top - (screenTop + oneThirdOfScreenHeight); - } - } else if (rect.top < screenTop) { - scrollYDelta = rect.top - screenTop; - } - - int screenLeft = contentToViewX(content.left); - int screenRight = contentToViewX(content.right); - int width = screenRight - screenLeft; - int scrollXDelta = 0; - - if (rect.right > screenRight && rect.left > screenLeft) { - if (rect.width() > width) { - scrollXDelta += (rect.left - screenLeft); - } else { - scrollXDelta += (rect.right - screenRight); - } - } else if (rect.left < screenLeft) { - scrollXDelta -= (screenLeft - rect.left); - } - - if ((scrollYDelta | scrollXDelta) != 0) { - return pinScrollBy(scrollXDelta, scrollYDelta, !immediate, 0); - } - - return false; - } - - /* package */ void replaceTextfieldText(int oldStart, int oldEnd, - String replace, int newStart, int newEnd) { - WebViewCore.ReplaceTextData arg = new WebViewCore.ReplaceTextData(); - arg.mReplace = replace; - arg.mNewStart = newStart; - arg.mNewEnd = newEnd; - mTextGeneration++; - arg.mTextGeneration = mTextGeneration; - sendBatchableInputMessage(EventHub.REPLACE_TEXT, oldStart, oldEnd, arg); - } - - /* package */ void passToJavaScript(String currentText, KeyEvent event) { - // check if mWebViewCore has been destroyed - if (mWebViewCore == null) { - return; - } - WebViewCore.JSKeyData arg = new WebViewCore.JSKeyData(); - arg.mEvent = event; - arg.mCurrentText = currentText; - // Increase our text generation number, and pass it to webcore thread - mTextGeneration++; - mWebViewCore.sendMessage(EventHub.PASS_TO_JS, mTextGeneration, 0, arg); - // WebKit's document state is not saved until about to leave the page. - // To make sure the host application, like Browser, has the up to date - // document state when it goes to background, we force to save the - // document state. - mWebViewCore.removeMessages(EventHub.SAVE_DOCUMENT_STATE); - mWebViewCore.sendMessageDelayed(EventHub.SAVE_DOCUMENT_STATE, null, 1000); - } - - public synchronized WebViewCore getWebViewCore() { - return mWebViewCore; - } - - private boolean canTextScroll(int directionX, int directionY) { - int scrollX = getTextScrollX(); - int scrollY = getTextScrollY(); - int maxScrollX = getMaxTextScrollX(); - int maxScrollY = getMaxTextScrollY(); - boolean canScrollX = (directionX > 0) - ? (scrollX < maxScrollX) - : (scrollX > 0); - boolean canScrollY = (directionY > 0) - ? (scrollY < maxScrollY) - : (scrollY > 0); - return canScrollX || canScrollY; - } - - private int getTextScrollX() { - return -mEditTextContent.left; - } - - private int getTextScrollY() { - return -mEditTextContent.top; - } - - private int getMaxTextScrollX() { - return Math.max(0, mEditTextContent.width() - mEditTextContentBounds.width()); - } - - private int getMaxTextScrollY() { - return Math.max(0, mEditTextContent.height() - mEditTextContentBounds.height()); - } - - //------------------------------------------------------------------------- - // Methods can be called from a separate thread, like WebViewCore - // If it needs to call the View system, it has to send message. - //------------------------------------------------------------------------- - - /** - * General handler to receive message coming from webkit thread - */ - class PrivateHandler extends Handler implements WebViewInputDispatcher.UiCallbacks { - @Override - public void handleMessage(Message msg) { - // exclude INVAL_RECT_MSG_ID since it is frequently output - if (DebugFlags.WEB_VIEW && msg.what != INVAL_RECT_MSG_ID) { - if (msg.what >= FIRST_PRIVATE_MSG_ID - && msg.what <= LAST_PRIVATE_MSG_ID) { - Log.v(LOGTAG, HandlerPrivateDebugString[msg.what - - FIRST_PRIVATE_MSG_ID]); - } else if (msg.what >= FIRST_PACKAGE_MSG_ID - && msg.what <= LAST_PACKAGE_MSG_ID) { - Log.v(LOGTAG, HandlerPackageDebugString[msg.what - - FIRST_PACKAGE_MSG_ID]); - } else { - Log.v(LOGTAG, Integer.toString(msg.what)); - } - } - if (mWebViewCore == null) { - // after WebView's destroy() is called, skip handling messages. - return; - } - if (mBlockWebkitViewMessages - && msg.what != WEBCORE_INITIALIZED_MSG_ID) { - // Blocking messages from webkit - return; - } - switch (msg.what) { - case REMEMBER_PASSWORD: { - mDatabase.setUsernamePassword( - msg.getData().getString("host"), - msg.getData().getString("username"), - msg.getData().getString("password")); - ((Message) msg.obj).sendToTarget(); - break; - } - case NEVER_REMEMBER_PASSWORD: { - mDatabase.setUsernamePassword(msg.getData().getString("host"), null, null); - ((Message) msg.obj).sendToTarget(); - break; - } - case SCROLL_SELECT_TEXT: { - if (mAutoScrollX == 0 && mAutoScrollY == 0) { - mSentAutoScrollMessage = false; - break; - } - if (mCurrentScrollingLayerId == 0) { - pinScrollBy(mAutoScrollX, mAutoScrollY, true, 0); - } else { - scrollLayerTo(mScrollingLayerRect.left + mAutoScrollX, - mScrollingLayerRect.top + mAutoScrollY); - } - sendEmptyMessageDelayed( - SCROLL_SELECT_TEXT, SELECT_SCROLL_INTERVAL); - break; - } - case SCROLL_TO_MSG_ID: { - // arg1 = animate, arg2 = onlyIfImeIsShowing - // obj = Point(x, y) - if (msg.arg2 == 1) { - // This scroll is intended to bring the textfield into - // view, but is only necessary if the IME is showing - InputMethodManager imm = InputMethodManager.peekInstance(); - if (imm == null || !imm.isAcceptingText() - || !imm.isActive(mWebView)) { - break; - } - } - final Point p = (Point) msg.obj; - contentScrollTo(p.x, p.y, msg.arg1 == 1); - break; - } - case UPDATE_ZOOM_RANGE: { - WebViewCore.ViewState viewState = (WebViewCore.ViewState) msg.obj; - // mScrollX contains the new minPrefWidth - mZoomManager.updateZoomRange(viewState, getViewWidth(), viewState.mScrollX); - break; - } - case UPDATE_ZOOM_DENSITY: { - final float density = (Float) msg.obj; - mZoomManager.updateDefaultZoomDensity(density); - break; - } - case NEW_PICTURE_MSG_ID: { - // called for new content - final WebViewCore.DrawData draw = (WebViewCore.DrawData) msg.obj; - setNewPicture(draw, true); - break; - } - case WEBCORE_INITIALIZED_MSG_ID: - // nativeCreate sets mNativeClass to a non-zero value - String drawableDir = BrowserFrame.getRawResFilename( - BrowserFrame.DRAWABLEDIR, mContext); - nativeCreate(msg.arg1, drawableDir, ActivityManager.isHighEndGfx()); - if (mDelaySetPicture != null) { - setNewPicture(mDelaySetPicture, true); - mDelaySetPicture = null; - } - if (mIsPaused) { - nativeSetPauseDrawing(mNativeClass, true); - } - mInputDispatcher = new WebViewInputDispatcher(this, - mWebViewCore.getInputDispatcherCallbacks()); - break; - case UPDATE_TEXTFIELD_TEXT_MSG_ID: - // Make sure that the textfield is currently focused - // and representing the same node as the pointer. - if (msg.arg2 == mTextGeneration) { - String text = (String) msg.obj; - if (null == text) { - text = ""; - } - if (mInputConnection != null && - mFieldPointer == msg.arg1) { - mInputConnection.setTextAndKeepSelection(text); - } - } - break; - case UPDATE_TEXT_SELECTION_MSG_ID: - updateTextSelectionFromMessage(msg.arg1, msg.arg2, - (WebViewCore.TextSelectionData) msg.obj); - break; - case TAKE_FOCUS: - int direction = msg.arg1; - View focusSearch = mWebView.focusSearch(direction); - if (focusSearch != null && focusSearch != mWebView) { - focusSearch.requestFocus(); - } - break; - case CLEAR_TEXT_ENTRY: - hideSoftKeyboard(); - break; - case INVAL_RECT_MSG_ID: { - Rect r = (Rect)msg.obj; - if (r == null) { - invalidate(); - } else { - // we need to scale r from content into view coords, - // which viewInvalidate() does for us - viewInvalidate(r.left, r.top, r.right, r.bottom); - } - break; - } - case REQUEST_FORM_DATA: - if (mFieldPointer == msg.arg1) { - ArrayAdapter<String> adapter = (ArrayAdapter<String>)msg.obj; - mAutoCompletePopup.setAdapter(adapter); - } - break; - - case LONG_PRESS_CENTER: - // as this is shared by keydown and trackballdown, reset all - // the states - mGotCenterDown = false; - mTrackballDown = false; - mWebView.performLongClick(); - break; - - case WEBCORE_NEED_TOUCH_EVENTS: - mInputDispatcher.setWebKitWantsTouchEvents(msg.arg1 != 0); - break; - - case REQUEST_KEYBOARD: - if (msg.arg1 == 0) { - hideSoftKeyboard(); - } else { - displaySoftKeyboard(false); - } - break; - - case DRAG_HELD_MOTIONLESS: - mHeldMotionless = MOTIONLESS_TRUE; - invalidate(); - break; - - case SCREEN_ON: - mWebView.setKeepScreenOn(msg.arg1 == 1); - break; - - case EXIT_FULLSCREEN_VIDEO: - if (mHTML5VideoViewProxy != null) { - mHTML5VideoViewProxy.exitFullScreenVideo(); - } - break; - - case SHOW_FULLSCREEN: { - View view = (View) msg.obj; - int orientation = msg.arg1; - int npp = msg.arg2; - - if (inFullScreenMode()) { - Log.w(LOGTAG, "Should not have another full screen."); - dismissFullScreenMode(); - } - mFullScreenHolder = new PluginFullScreenHolder(WebViewClassic.this, orientation, npp); - mFullScreenHolder.setContentView(view); - mFullScreenHolder.show(); - invalidate(); - - break; - } - case HIDE_FULLSCREEN: - dismissFullScreenMode(); - break; - - case SHOW_RECT_MSG_ID: { - WebViewCore.ShowRectData data = (WebViewCore.ShowRectData) msg.obj; - int left = contentToViewX(data.mLeft); - int width = contentToViewDimension(data.mWidth); - int maxWidth = contentToViewDimension(data.mContentWidth); - int viewWidth = getViewWidth(); - int x = (int) (left + data.mXPercentInDoc * width - - data.mXPercentInView * viewWidth); - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "showRectMsg=(left=" + left + ",width=" + - width + ",maxWidth=" + maxWidth + - ",viewWidth=" + viewWidth + ",x=" - + x + ",xPercentInDoc=" + data.mXPercentInDoc + - ",xPercentInView=" + data.mXPercentInView+ ")"); - } - // use the passing content width to cap x as the current - // mContentWidth may not be updated yet - x = Math.max(0, - (Math.min(maxWidth, x + viewWidth)) - viewWidth); - int top = contentToViewY(data.mTop); - int height = contentToViewDimension(data.mHeight); - int maxHeight = contentToViewDimension(data.mContentHeight); - int viewHeight = getViewHeight(); - int y = (int) (top + data.mYPercentInDoc * height - - data.mYPercentInView * viewHeight); - if (DebugFlags.WEB_VIEW) { - Log.v(LOGTAG, "showRectMsg=(top=" + top + ",height=" + - height + ",maxHeight=" + maxHeight + - ",viewHeight=" + viewHeight + ",y=" - + y + ",yPercentInDoc=" + data.mYPercentInDoc + - ",yPercentInView=" + data.mYPercentInView+ ")"); - } - // use the passing content height to cap y as the current - // mContentHeight may not be updated yet - y = Math.max(0, - (Math.min(maxHeight, y + viewHeight) - viewHeight)); - // We need to take into account the visible title height - // when scrolling since y is an absolute view position. - y = Math.max(0, y - getVisibleTitleHeightImpl()); - mWebView.scrollTo(x, y); - } - break; - - case CENTER_FIT_RECT: - centerFitRect((Rect)msg.obj); - break; - - case SET_SCROLLBAR_MODES: - mHorizontalScrollBarMode = msg.arg1; - mVerticalScrollBarMode = msg.arg2; - break; - - case FOCUS_NODE_CHANGED: - mIsEditingText = (msg.arg1 == mFieldPointer); - if (mAutoCompletePopup != null && !mIsEditingText) { - mAutoCompletePopup.clearAdapter(); - } - // fall through to HIT_TEST_RESULT - case HIT_TEST_RESULT: - WebKitHitTest hit = (WebKitHitTest) msg.obj; - mFocusedNode = hit; - setTouchHighlightRects(hit); - setHitTestResult(hit); - break; - - case SAVE_WEBARCHIVE_FINISHED: - SaveWebArchiveMessage saveMessage = (SaveWebArchiveMessage)msg.obj; - if (saveMessage.mCallback != null) { - saveMessage.mCallback.onReceiveValue(saveMessage.mResultFile); - } - break; - - case SET_AUTOFILLABLE: - mAutoFillData = (WebViewCore.AutoFillData) msg.obj; - if (mInputConnection != null) { - mInputConnection.setAutoFillable(mAutoFillData.getQueryId()); - mAutoCompletePopup.setAutoFillQueryId(mAutoFillData.getQueryId()); - } - break; - - case AUTOFILL_COMPLETE: - if (mAutoCompletePopup != null) { - ArrayList<String> pastEntries = new ArrayList<String>(); - mAutoCompletePopup.setAdapter(new ArrayAdapter<String>( - mContext, - com.android.internal.R.layout.web_text_view_dropdown, - pastEntries)); - } - break; - - case COPY_TO_CLIPBOARD: - copyToClipboard((String) msg.obj); - break; - - case INIT_EDIT_FIELD: - if (mInputConnection != null) { - TextFieldInitData initData = (TextFieldInitData) msg.obj; - mTextGeneration = 0; - mFieldPointer = initData.mFieldPointer; - mInputConnection.initEditorInfo(initData); - mInputConnection.setTextAndKeepSelection(initData.mText); - mEditTextContentBounds.set(initData.mContentBounds); - mEditTextLayerId = initData.mNodeLayerId; - nativeMapLayerRect(mNativeClass, mEditTextLayerId, - mEditTextContentBounds); - mEditTextContent.set(initData.mClientRect); - relocateAutoCompletePopup(); - } - break; - - case REPLACE_TEXT:{ - String text = (String)msg.obj; - int start = msg.arg1; - int end = msg.arg2; - int cursorPosition = start + text.length(); - replaceTextfieldText(start, end, text, - cursorPosition, cursorPosition); - selectionDone(); - break; - } - - case UPDATE_MATCH_COUNT: { - WebViewCore.FindAllRequest request = (WebViewCore.FindAllRequest)msg.obj; - if (request == null) { - if (mFindCallback != null) { - mFindCallback.updateMatchCount(0, 0, true); - } - } else if (request == mFindRequest) { - int matchCount, matchIndex; - synchronized (mFindRequest) { - matchCount = request.mMatchCount; - matchIndex = request.mMatchIndex; - } - if (mFindCallback != null) { - mFindCallback.updateMatchCount(matchIndex, matchCount, false); - } - if (mFindListener != null) { - mFindListener.onFindResultReceived(matchIndex, matchCount, true); - } - } - break; - } - - case CLEAR_CARET_HANDLE: - if (mIsCaretSelection) { - selectionDone(); - } - break; - - case KEY_PRESS: - sendBatchableInputMessage(EventHub.KEY_PRESS, msg.arg1, 0, null); - break; - - case RELOCATE_AUTO_COMPLETE_POPUP: - relocateAutoCompletePopup(); - break; - - case AUTOFILL_FORM: - mWebViewCore.sendMessage(EventHub.AUTOFILL_FORM, - msg.arg1, /* unused */0); - break; - - case EDIT_TEXT_SIZE_CHANGED: - if (msg.arg1 == mFieldPointer) { - mEditTextContent.set((Rect)msg.obj); - } - break; - - case SHOW_CARET_HANDLE: - if (!mSelectingText && mIsEditingText && mIsCaretSelection) { - setupWebkitSelect(); - resetCaretTimer(); - showPasteWindow(); - } - break; - - case UPDATE_CONTENT_BOUNDS: - mEditTextContentBounds.set((Rect) msg.obj); - nativeMapLayerRect(mNativeClass, mEditTextLayerId, - mEditTextContentBounds); - break; - - case SCROLL_EDIT_TEXT: - scrollEditWithCursor(); - break; - - case SCROLL_HANDLE_INTO_VIEW: - scrollDraggedSelectionHandleIntoView(); - break; - - default: - super.handleMessage(msg); - break; - } - } - - @Override - public Looper getUiLooper() { - return getLooper(); - } - - @Override - public void dispatchUiEvent(MotionEvent event, int eventType, int flags) { - onHandleUiEvent(event, eventType, flags); - } - - @Override - public Context getContext() { - return WebViewClassic.this.getContext(); - } - - @Override - public boolean shouldInterceptTouchEvent(MotionEvent event) { - if (!mSelectingText) { - return false; - } - ensureSelectionHandles(); - int y = Math.round(event.getY() - getTitleHeight() + getScrollY()); - int x = Math.round(event.getX() + getScrollX()); - boolean isPressingHandle; - if (mIsCaretSelection) { - isPressingHandle = mSelectHandleCenter.getBounds() - .contains(x, y); - } else { - isPressingHandle = - mSelectHandleBaseBounds.contains(x, y) - || mSelectHandleExtentBounds.contains(x, y); - } - return isPressingHandle; - } - - @Override - public void showTapHighlight(boolean show) { - if (mShowTapHighlight != show) { - mShowTapHighlight = show; - invalidate(); - } - } - - @Override - public void clearPreviousHitTest() { - setHitTestResult(null); - } - } - - private void setHitTestTypeFromUrl(String url) { - String substr = null; - if (url.startsWith(SCHEME_GEO)) { - mInitialHitTestResult.setType(HitTestResult.GEO_TYPE); - substr = url.substring(SCHEME_GEO.length()); - } else if (url.startsWith(SCHEME_TEL)) { - mInitialHitTestResult.setType(HitTestResult.PHONE_TYPE); - substr = url.substring(SCHEME_TEL.length()); - } else if (url.startsWith(SCHEME_MAILTO)) { - mInitialHitTestResult.setType(HitTestResult.EMAIL_TYPE); - substr = url.substring(SCHEME_MAILTO.length()); - } else { - mInitialHitTestResult.setType(HitTestResult.SRC_ANCHOR_TYPE); - mInitialHitTestResult.setExtra(url); - return; - } - try { - mInitialHitTestResult.setExtra(URLDecoder.decode(substr, "UTF-8")); - } catch (Throwable e) { - Log.w(LOGTAG, "Failed to decode URL! " + substr, e); - mInitialHitTestResult.setType(HitTestResult.UNKNOWN_TYPE); - } - } - - private void setHitTestResult(WebKitHitTest hit) { - if (hit == null) { - mInitialHitTestResult = null; - return; - } - mInitialHitTestResult = new HitTestResult(); - if (hit.mLinkUrl != null) { - setHitTestTypeFromUrl(hit.mLinkUrl); - if (hit.mImageUrl != null - && mInitialHitTestResult.getType() == HitTestResult.SRC_ANCHOR_TYPE) { - mInitialHitTestResult.setType(HitTestResult.SRC_IMAGE_ANCHOR_TYPE); - mInitialHitTestResult.setExtra(hit.mImageUrl); - } - } else if (hit.mImageUrl != null) { - mInitialHitTestResult.setType(HitTestResult.IMAGE_TYPE); - mInitialHitTestResult.setExtra(hit.mImageUrl); - } else if (hit.mEditable) { - mInitialHitTestResult.setType(HitTestResult.EDIT_TEXT_TYPE); - } else if (hit.mIntentUrl != null) { - setHitTestTypeFromUrl(hit.mIntentUrl); - } - } - - private boolean shouldDrawHighlightRect() { - if (mFocusedNode == null || mInitialHitTestResult == null) { - return false; - } - if (mTouchHighlightRegion.isEmpty()) { - return false; - } - if (mFocusedNode.mHasFocus && !mWebView.isInTouchMode()) { - return mDrawCursorRing && !mFocusedNode.mEditable; - } - if (mFocusedNode.mHasFocus && mFocusedNode.mEditable) { - return false; - } - return mShowTapHighlight; - } - - - private FocusTransitionDrawable mFocusTransition = null; - static class FocusTransitionDrawable extends Drawable { - Region mPreviousRegion; - Region mNewRegion; - float mProgress = 0; - WebViewClassic mWebView; - Paint mPaint; - int mMaxAlpha; - Point mTranslate; - - public FocusTransitionDrawable(WebViewClassic view) { - mWebView = view; - mPaint = new Paint(mWebView.mTouchHightlightPaint); - mMaxAlpha = mPaint.getAlpha(); - } - - @Override - public void setColorFilter(ColorFilter cf) { - } - - @Override - public void setAlpha(int alpha) { - } - - @Override - public int getOpacity() { - return 0; - } - - public void setProgress(float p) { - mProgress = p; - if (mWebView.mFocusTransition == this) { - if (mProgress == 1f) - mWebView.mFocusTransition = null; - mWebView.invalidate(); - } - } - - public float getProgress() { - return mProgress; - } - - @Override - public void draw(Canvas canvas) { - if (mTranslate == null) { - Rect bounds = mPreviousRegion.getBounds(); - Point from = new Point(bounds.centerX(), bounds.centerY()); - mNewRegion.getBounds(bounds); - Point to = new Point(bounds.centerX(), bounds.centerY()); - mTranslate = new Point(from.x - to.x, from.y - to.y); - } - int alpha = (int) (mProgress * mMaxAlpha); - RegionIterator iter = new RegionIterator(mPreviousRegion); - Rect r = new Rect(); - mPaint.setAlpha(mMaxAlpha - alpha); - float tx = mTranslate.x * mProgress; - float ty = mTranslate.y * mProgress; - int save = canvas.save(Canvas.MATRIX_SAVE_FLAG); - canvas.translate(-tx, -ty); - while (iter.next(r)) { - canvas.drawRect(r, mPaint); - } - canvas.restoreToCount(save); - iter = new RegionIterator(mNewRegion); - r = new Rect(); - mPaint.setAlpha(alpha); - save = canvas.save(Canvas.MATRIX_SAVE_FLAG); - tx = mTranslate.x - tx; - ty = mTranslate.y - ty; - canvas.translate(tx, ty); - while (iter.next(r)) { - canvas.drawRect(r, mPaint); - } - canvas.restoreToCount(save); - } - }; - - private boolean shouldAnimateTo(WebKitHitTest hit) { - // TODO: Don't be annoying or throw out the animation entirely - return false; - } - - private void setTouchHighlightRects(WebKitHitTest hit) { - FocusTransitionDrawable transition = null; - if (shouldAnimateTo(hit)) { - transition = new FocusTransitionDrawable(this); - } - Rect[] rects = hit != null ? hit.mTouchRects : null; - if (!mTouchHighlightRegion.isEmpty()) { - mWebView.invalidate(mTouchHighlightRegion.getBounds()); - if (transition != null) { - transition.mPreviousRegion = new Region(mTouchHighlightRegion); - } - mTouchHighlightRegion.setEmpty(); - } - if (rects != null) { - mTouchHightlightPaint.setColor(hit.mTapHighlightColor); - for (Rect rect : rects) { - Rect viewRect = contentToViewRect(rect); - // some sites, like stories in nytimes.com, set - // mouse event handler in the top div. It is not - // user friendly to highlight the div if it covers - // more than half of the screen. - if (viewRect.width() < getWidth() >> 1 - || viewRect.height() < getHeight() >> 1) { - mTouchHighlightRegion.union(viewRect); - } else if (DebugFlags.WEB_VIEW) { - Log.d(LOGTAG, "Skip the huge selection rect:" - + viewRect); - } - } - mWebView.invalidate(mTouchHighlightRegion.getBounds()); - if (transition != null && transition.mPreviousRegion != null) { - transition.mNewRegion = new Region(mTouchHighlightRegion); - mFocusTransition = transition; - ObjectAnimator animator = ObjectAnimator.ofFloat( - mFocusTransition, "progress", 1f); - animator.start(); - } - } - } - - // Interface to allow the profiled WebView to hook the page swap notifications. - public interface PageSwapDelegate { - void onPageSwapOccurred(boolean notifyAnimationStarted); - } - - long mLastSwapTime; - double mAverageSwapFps; - - /** Called by JNI when pages are swapped (only occurs with hardware - * acceleration) */ - protected void pageSwapCallback(boolean notifyAnimationStarted) { - if (DebugFlags.MEASURE_PAGE_SWAP_FPS) { - long now = System.currentTimeMillis(); - long diff = now - mLastSwapTime; - mAverageSwapFps = ((1000.0 / diff) + mAverageSwapFps) / 2; - Log.d(LOGTAG, "page swap fps: " + mAverageSwapFps); - mLastSwapTime = now; - } - mWebViewCore.resumeWebKitDraw(); - if (notifyAnimationStarted) { - mWebViewCore.sendMessage(EventHub.NOTIFY_ANIMATION_STARTED); - } - if (mWebView instanceof PageSwapDelegate) { - // This provides a hook for ProfiledWebView to observe the tile page swaps. - ((PageSwapDelegate) mWebView).onPageSwapOccurred(notifyAnimationStarted); - } - - if (mPictureListener != null) { - // trigger picture listener for hardware layers. Software layers are - // triggered in setNewPicture - Picture picture = mContext.getApplicationInfo().targetSdkVersion < - Build.VERSION_CODES.JELLY_BEAN_MR2 ? capturePicture() : null; - mPictureListener.onNewPicture(getWebView(), picture); - } - } - - void setNewPicture(final WebViewCore.DrawData draw, boolean updateBaseLayer) { - if (mNativeClass == 0) { - if (mDelaySetPicture != null) { - throw new IllegalStateException("Tried to setNewPicture with" - + " a delay picture already set! (memory leak)"); - } - // Not initialized yet, delay set - mDelaySetPicture = draw; - return; - } - WebViewCore.ViewState viewState = draw.mViewState; - boolean isPictureAfterFirstLayout = viewState != null; - - if (updateBaseLayer) { - setBaseLayer(draw.mBaseLayer, - getSettings().getShowVisualIndicator(), - isPictureAfterFirstLayout); - } - final Point viewSize = draw.mViewSize; - // We update the layout (i.e. request a layout from the - // view system) if the last view size that we sent to - // WebCore matches the view size of the picture we just - // received in the fixed dimension. - final boolean updateLayout = viewSize.x == mLastWidthSent - && viewSize.y == mLastHeightSent; - // Don't send scroll event for picture coming from webkit, - // since the new picture may cause a scroll event to override - // the saved history scroll position. - mSendScrollEvent = false; - recordNewContentSize(draw.mContentSize.x, - draw.mContentSize.y, updateLayout); - if (isPictureAfterFirstLayout) { - // Reset the last sent data here since dealing with new page. - mLastWidthSent = 0; - mZoomManager.onFirstLayout(draw); - int scrollX = viewState.mShouldStartScrolledRight - ? getContentWidth() : viewState.mScrollX; - int scrollY = viewState.mScrollY; - contentScrollTo(scrollX, scrollY, false); - if (!mDrawHistory) { - // As we are on a new page, hide the keyboard - hideSoftKeyboard(); - } - } - mSendScrollEvent = true; - - int functor = 0; - boolean forceInval = isPictureAfterFirstLayout; - ViewRootImpl viewRoot = mWebView.getViewRootImpl(); - if (mWebView.isHardwareAccelerated() - && mWebView.getLayerType() != View.LAYER_TYPE_SOFTWARE - && viewRoot != null) { - functor = nativeGetDrawGLFunction(mNativeClass); - if (functor != 0) { - // force an invalidate if functor attach not successful - forceInval |= !viewRoot.attachFunctor(functor); - } - } - - if (functor == 0 - || forceInval - || mWebView.getLayerType() != View.LAYER_TYPE_NONE) { - // invalidate the screen so that the next repaint will show new content - // TODO: partial invalidate - mWebView.invalidate(); - } - - // update the zoom information based on the new picture - if (mZoomManager.onNewPicture(draw)) - invalidate(); - - if (isPictureAfterFirstLayout) { - mViewManager.postReadyToDrawAll(); - } - scrollEditWithCursor(); - - if (mPictureListener != null) { - if (!mWebView.isHardwareAccelerated() - || mWebView.getLayerType() == View.LAYER_TYPE_SOFTWARE) { - // trigger picture listener for software layers. Hardware layers are - // triggered in pageSwapCallback - Picture picture = mContext.getApplicationInfo().targetSdkVersion < - Build.VERSION_CODES.JELLY_BEAN_MR2 ? capturePicture() : null; - mPictureListener.onNewPicture(getWebView(), picture); - } - } - } - - /** - * Used when receiving messages for REQUEST_KEYBOARD_WITH_SELECTION_MSG_ID - * and UPDATE_TEXT_SELECTION_MSG_ID. - */ - private void updateTextSelectionFromMessage(int nodePointer, - int textGeneration, WebViewCore.TextSelectionData data) { - if (textGeneration == mTextGeneration) { - if (mInputConnection != null && mFieldPointer == nodePointer) { - mInputConnection.setSelection(data.mStart, data.mEnd); - } - } - nativeSetTextSelection(mNativeClass, data.mSelectTextPtr); - - if ((data.mSelectionReason == TextSelectionData.REASON_ACCESSIBILITY_INJECTOR) - || (!mSelectingText && data.mStart != data.mEnd - && data.mSelectionReason != TextSelectionData.REASON_SELECT_WORD)) { - selectionDone(); - mShowTextSelectionExtra = true; - invalidate(); - return; - } - - if (data.mSelectTextPtr != 0 && - (data.mStart != data.mEnd || - (mFieldPointer == nodePointer && mFieldPointer != 0) || - (nodePointer == 0 && data.mStart == 0 && data.mEnd == 0))) { - mIsEditingText = (mFieldPointer == nodePointer) && nodePointer != 0; - mIsCaretSelection = (data.mStart == data.mEnd && nodePointer != 0); - if (mIsCaretSelection && - (mInputConnection == null || - mInputConnection.getEditable().length() == 0)) { - // There's no text, don't show caret handle. - selectionDone(); - } else { - if (!mSelectingText) { - setupWebkitSelect(); - } else { - syncSelectionCursors(); - } - animateHandles(); - if (mIsCaretSelection) { - resetCaretTimer(); - } - } - } else { - selectionDone(); - } - invalidate(); - } - - private void scrollEditText(int scrollX, int scrollY) { - // Scrollable edit text. Scroll it. - float maxScrollX = getMaxTextScrollX(); - float scrollPercentX = ((float)scrollX)/maxScrollX; - mEditTextContent.offsetTo(-scrollX, -scrollY); - mWebViewCore.removeMessages(EventHub.SCROLL_TEXT_INPUT); - mWebViewCore.sendMessage(EventHub.SCROLL_TEXT_INPUT, 0, - scrollY, (Float)scrollPercentX); - animateHandles(); - } - - private void beginTextBatch() { - mIsBatchingTextChanges = true; - } - - private void commitTextBatch() { - if (mWebViewCore != null) { - mWebViewCore.sendMessages(mBatchedTextChanges); - } - mBatchedTextChanges.clear(); - mIsBatchingTextChanges = false; - } - - void sendBatchableInputMessage(int what, int arg1, int arg2, - Object obj) { - if (mWebViewCore == null) { - return; - } - Message message = Message.obtain(null, what, arg1, arg2, obj); - if (mIsBatchingTextChanges) { - mBatchedTextChanges.add(message); - } else { - mWebViewCore.sendMessage(message); - } - } - - // Class used to use a dropdown for a <select> element - private class InvokeListBox implements Runnable { - // Whether the listbox allows multiple selection. - private boolean mMultiple; - // Passed in to a list with multiple selection to tell - // which items are selected. - private int[] mSelectedArray; - // Passed in to a list with single selection to tell - // where the initial selection is. - private int mSelection; - - private Container[] mContainers; - - // Need these to provide stable ids to my ArrayAdapter, - // which normally does not have stable ids. (Bug 1250098) - private class Container extends Object { - /** - * Possible values for mEnabled. Keep in sync with OptionStatus in - * WebViewCore.cpp - */ - final static int OPTGROUP = -1; - final static int OPTION_DISABLED = 0; - final static int OPTION_ENABLED = 1; - - String mString; - int mEnabled; - int mId; - - @Override - public String toString() { - return mString; - } - } - - /** - * Subclass ArrayAdapter so we can disable OptionGroupLabels, - * and allow filtering. - */ - private class MyArrayListAdapter extends ArrayAdapter<Container> { - public MyArrayListAdapter() { - super(WebViewClassic.this.mContext, - mMultiple ? com.android.internal.R.layout.select_dialog_multichoice : - com.android.internal.R.layout.webview_select_singlechoice, - mContainers); - } - - @Override - public View getView(int position, View convertView, - ViewGroup parent) { - // Always pass in null so that we will get a new CheckedTextView - // Otherwise, an item which was previously used as an <optgroup> - // element (i.e. has no check), could get used as an <option> - // element, which needs a checkbox/radio, but it would not have - // one. - convertView = super.getView(position, null, parent); - Container c = item(position); - if (c != null && Container.OPTION_ENABLED != c.mEnabled) { - // ListView does not draw dividers between disabled and - // enabled elements. Use a LinearLayout to provide dividers - LinearLayout layout = new LinearLayout(mContext); - layout.setOrientation(LinearLayout.VERTICAL); - if (position > 0) { - View dividerTop = new View(mContext); - dividerTop.setBackgroundResource( - android.R.drawable.divider_horizontal_bright); - layout.addView(dividerTop); - } - - if (Container.OPTGROUP == c.mEnabled) { - // Currently select_dialog_multichoice uses CheckedTextViews. - // If that changes, the class cast will no longer be valid. - if (mMultiple) { - Assert.assertTrue(convertView instanceof CheckedTextView); - ((CheckedTextView) convertView).setCheckMarkDrawable(null); - } - } else { - // c.mEnabled == Container.OPTION_DISABLED - // Draw the disabled element in a disabled state. - convertView.setEnabled(false); - } - - layout.addView(convertView); - if (position < getCount() - 1) { - View dividerBottom = new View(mContext); - dividerBottom.setBackgroundResource( - android.R.drawable.divider_horizontal_bright); - layout.addView(dividerBottom); - } - return layout; - } - return convertView; - } - - @Override - public boolean hasStableIds() { - // AdapterView's onChanged method uses this to determine whether - // to restore the old state. Return false so that the old (out - // of date) state does not replace the new, valid state. - return false; - } - - private Container item(int position) { - if (position < 0 || position >= getCount()) { - return null; - } - return getItem(position); - } - - @Override - public long getItemId(int position) { - Container item = item(position); - if (item == null) { - return -1; - } - return item.mId; - } - - @Override - public boolean areAllItemsEnabled() { - return false; - } - - @Override - public boolean isEnabled(int position) { - Container item = item(position); - if (item == null) { - return false; - } - return Container.OPTION_ENABLED == item.mEnabled; - } - } - - private InvokeListBox(String[] array, int[] enabled, int[] selected) { - mMultiple = true; - mSelectedArray = selected; - - int length = array.length; - mContainers = new Container[length]; - for (int i = 0; i < length; i++) { - mContainers[i] = new Container(); - mContainers[i].mString = array[i]; - mContainers[i].mEnabled = enabled[i]; - mContainers[i].mId = i; - } - } - - private InvokeListBox(String[] array, int[] enabled, int selection) { - mSelection = selection; - mMultiple = false; - - int length = array.length; - mContainers = new Container[length]; - for (int i = 0; i < length; i++) { - mContainers[i] = new Container(); - mContainers[i].mString = array[i]; - mContainers[i].mEnabled = enabled[i]; - mContainers[i].mId = i; - } - } - - /* - * Whenever the data set changes due to filtering, this class ensures - * that the checked item remains checked. - */ - private class SingleDataSetObserver extends DataSetObserver { - private long mCheckedId; - private ListView mListView; - private Adapter mAdapter; - - /* - * Create a new observer. - * @param id The ID of the item to keep checked. - * @param l ListView for getting and clearing the checked states - * @param a Adapter for getting the IDs - */ - public SingleDataSetObserver(long id, ListView l, Adapter a) { - mCheckedId = id; - mListView = l; - mAdapter = a; - } - - @Override - public void onChanged() { - // The filter may have changed which item is checked. Find the - // item that the ListView thinks is checked. - int position = mListView.getCheckedItemPosition(); - long id = mAdapter.getItemId(position); - if (mCheckedId != id) { - // Clear the ListView's idea of the checked item, since - // it is incorrect - mListView.clearChoices(); - // Search for mCheckedId. If it is in the filtered list, - // mark it as checked - int count = mAdapter.getCount(); - for (int i = 0; i < count; i++) { - if (mAdapter.getItemId(i) == mCheckedId) { - mListView.setItemChecked(i, true); - break; - } - } - } - } - } - - @Override - public void run() { - if (mWebViewCore == null - || getWebView().getWindowToken() == null - || getWebView().getViewRootImpl() == null) { - // We've been detached and/or destroyed since this was posted - return; - } - final ListView listView = (ListView) LayoutInflater.from(mContext) - .inflate(com.android.internal.R.layout.select_dialog, null); - final MyArrayListAdapter adapter = new MyArrayListAdapter(); - AlertDialog.Builder b = new AlertDialog.Builder(mContext) - .setView(listView).setCancelable(true) - .setInverseBackgroundForced(true); - - if (mMultiple) { - b.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - mWebViewCore.sendMessage( - EventHub.LISTBOX_CHOICES, - adapter.getCount(), 0, - listView.getCheckedItemPositions()); - }}); - b.setNegativeButton(android.R.string.cancel, - new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - mWebViewCore.sendMessage( - EventHub.SINGLE_LISTBOX_CHOICE, -2, 0); - }}); - } - mListBoxDialog = b.create(); - listView.setAdapter(adapter); - listView.setFocusableInTouchMode(true); - // There is a bug (1250103) where the checks in a ListView with - // multiple items selected are associated with the positions, not - // the ids, so the items do not properly retain their checks when - // filtered. Do not allow filtering on multiple lists until - // that bug is fixed. - - listView.setTextFilterEnabled(!mMultiple); - if (mMultiple) { - listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); - int length = mSelectedArray.length; - for (int i = 0; i < length; i++) { - listView.setItemChecked(mSelectedArray[i], true); - } - } else { - listView.setOnItemClickListener(new OnItemClickListener() { - @Override - public void onItemClick(AdapterView<?> parent, View v, - int position, long id) { - // Rather than sending the message right away, send it - // after the page regains focus. - mListBoxMessage = Message.obtain(null, - EventHub.SINGLE_LISTBOX_CHOICE, (int) id, 0); - if (mListBoxDialog != null) { - mListBoxDialog.dismiss(); - mListBoxDialog = null; - } - } - }); - if (mSelection != -1) { - listView.setSelection(mSelection); - listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); - listView.setItemChecked(mSelection, true); - DataSetObserver observer = new SingleDataSetObserver( - adapter.getItemId(mSelection), listView, adapter); - adapter.registerDataSetObserver(observer); - } - } - mListBoxDialog.setOnCancelListener(new DialogInterface.OnCancelListener() { - @Override - public void onCancel(DialogInterface dialog) { - if (mWebViewCore != null) { - mWebViewCore.sendMessage( - EventHub.SINGLE_LISTBOX_CHOICE, -2, 0); - } - mListBoxDialog = null; - } - }); - mListBoxDialog.show(); - } - } - - private Message mListBoxMessage; - - /* - * Request a dropdown menu for a listbox with multiple selection. - * - * @param array Labels for the listbox. - * @param enabledArray State for each element in the list. See static - * integers in Container class. - * @param selectedArray Which positions are initally selected. - */ - void requestListBox(String[] array, int[] enabledArray, int[] - selectedArray) { - mPrivateHandler.post( - new InvokeListBox(array, enabledArray, selectedArray)); - } - - /* - * Request a dropdown menu for a listbox with single selection or a single - * <select> element. - * - * @param array Labels for the listbox. - * @param enabledArray State for each element in the list. See static - * integers in Container class. - * @param selection Which position is initally selected. - */ - void requestListBox(String[] array, int[] enabledArray, int selection) { - mPrivateHandler.post( - new InvokeListBox(array, enabledArray, selection)); - } - - private int getScaledMaxXScroll() { - int width; - if (mHeightCanMeasure == false) { - width = getViewWidth() / 4; - } else { - Rect visRect = new Rect(); - calcOurVisibleRect(visRect); - width = visRect.width() / 2; - } - // FIXME the divisor should be retrieved from somewhere - return viewToContentX(width); - } - - private int getScaledMaxYScroll() { - int height; - if (mHeightCanMeasure == false) { - height = getViewHeight() / 4; - } else { - Rect visRect = new Rect(); - calcOurVisibleRect(visRect); - height = visRect.height() / 2; - } - // FIXME the divisor should be retrieved from somewhere - // the closest thing today is hard-coded into ScrollView.java - // (from ScrollView.java, line 363) int maxJump = height/2; - return Math.round(height * mZoomManager.getInvScale()); - } - - /** - * Called by JNI to invalidate view - */ - private void viewInvalidate() { - invalidate(); - } - - /** - * Pass the key directly to the page. This assumes that - * nativePageShouldHandleShiftAndArrows() returned true. - */ - private void letPageHandleNavKey(int keyCode, long time, boolean down, int metaState) { - int keyEventAction; - if (down) { - keyEventAction = KeyEvent.ACTION_DOWN; - } else { - keyEventAction = KeyEvent.ACTION_UP; - } - - KeyEvent event = new KeyEvent(time, time, keyEventAction, keyCode, - 1, (metaState & KeyEvent.META_SHIFT_ON) - | (metaState & KeyEvent.META_ALT_ON) - | (metaState & KeyEvent.META_SYM_ON) - , KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 0); - sendKeyEvent(event); - } - - private void sendKeyEvent(KeyEvent event) { - int direction = 0; - switch (event.getKeyCode()) { - case KeyEvent.KEYCODE_DPAD_DOWN: - direction = View.FOCUS_DOWN; - break; - case KeyEvent.KEYCODE_DPAD_UP: - direction = View.FOCUS_UP; - break; - case KeyEvent.KEYCODE_DPAD_LEFT: - direction = View.FOCUS_LEFT; - break; - case KeyEvent.KEYCODE_DPAD_RIGHT: - direction = View.FOCUS_RIGHT; - break; - case KeyEvent.KEYCODE_TAB: - direction = event.isShiftPressed() ? View.FOCUS_BACKWARD : View.FOCUS_FORWARD; - break; - } - if (direction != 0 && mWebView.focusSearch(direction) == null) { - // Can't take focus in that direction - direction = 0; - } - int eventHubAction = EventHub.KEY_UP; - if (event.getAction() == KeyEvent.ACTION_DOWN) { - eventHubAction = EventHub.KEY_DOWN; - int sound = keyCodeToSoundsEffect(event.getKeyCode()); - if (sound != 0) { - mWebView.playSoundEffect(sound); - } - } - sendBatchableInputMessage(eventHubAction, direction, 0, event); - } - - /** - * See {@link WebView#setBackgroundColor(int)} - */ - @Override - public void setBackgroundColor(int color) { - mBackgroundColor = color; - mWebViewCore.sendMessage(EventHub.SET_BACKGROUND_COLOR, color); - } - - /** - * Enable the communication b/t the webView and VideoViewProxy - * - * only used by the Browser - */ - public void setHTML5VideoViewProxy(HTML5VideoViewProxy proxy) { - mHTML5VideoViewProxy = proxy; - } - - /** - * Set the time to wait between passing touches to WebCore. See also the - * TOUCH_SENT_INTERVAL member for further discussion. - * - * This is only used by the DRT test application. - */ - public void setTouchInterval(int interval) { - mCurrentTouchInterval = interval; - } - - /** - * Copy text into the clipboard. This is called indirectly from - * WebViewCore. - * @param text The text to put into the clipboard. - */ - private void copyToClipboard(String text) { - ClipboardManager cm = (ClipboardManager)mContext - .getSystemService(Context.CLIPBOARD_SERVICE); - ClipData clip = ClipData.newPlainText(getTitle(), text); - cm.setPrimaryClip(clip); - } - - /*package*/ void autoFillForm(int autoFillQueryId) { - mPrivateHandler.obtainMessage(AUTOFILL_FORM, autoFillQueryId, 0) - .sendToTarget(); - } - - /* package */ ViewManager getViewManager() { - return mViewManager; - } - - /** send content invalidate */ - protected void contentInvalidateAll() { - if (mWebViewCore != null && !mBlockWebkitViewMessages) { - mWebViewCore.sendMessage(EventHub.CONTENT_INVALIDATE_ALL); - } - } - - /** discard all textures from tiles. Used in Profiled WebView */ - public void discardAllTextures() { - nativeDiscardAllTextures(); - } - - @Override - public void setLayerType(int layerType, Paint paint) { - updateHwAccelerated(); - } - - @Override - public void preDispatchDraw(Canvas canvas) { - // no-op for WebViewClassic. - } - - private void updateHwAccelerated() { - if (mNativeClass == 0) { - return; - } - boolean hwAccelerated = false; - if (mWebView.isHardwareAccelerated() - && mWebView.getLayerType() != View.LAYER_TYPE_SOFTWARE) { - hwAccelerated = true; - } - - // result is of type LayerAndroid::InvalidateFlags, non zero means invalidate/redraw - int result = nativeSetHwAccelerated(mNativeClass, hwAccelerated); - if (mWebViewCore != null && !mBlockWebkitViewMessages && result != 0) { - mWebViewCore.contentDraw(); - } - } - - /** - * Begin collecting per-tile profiling data - * - * only used by profiling tests - */ - public void tileProfilingStart() { - nativeTileProfilingStart(); - } - /** - * Return per-tile profiling data - * - * only used by profiling tests - */ - public float tileProfilingStop() { - return nativeTileProfilingStop(); - } - - /** only used by profiling tests */ - public void tileProfilingClear() { - nativeTileProfilingClear(); - } - /** only used by profiling tests */ - public int tileProfilingNumFrames() { - return nativeTileProfilingNumFrames(); - } - /** only used by profiling tests */ - public int tileProfilingNumTilesInFrame(int frame) { - return nativeTileProfilingNumTilesInFrame(frame); - } - /** only used by profiling tests */ - public int tileProfilingGetInt(int frame, int tile, String key) { - return nativeTileProfilingGetInt(frame, tile, key); - } - /** only used by profiling tests */ - public float tileProfilingGetFloat(int frame, int tile, String key) { - return nativeTileProfilingGetFloat(frame, tile, key); - } - - /** - * Checks the focused content for an editable text field. This can be - * text input or ContentEditable. - * @return true if the focused item is an editable text field. - */ - boolean focusCandidateIsEditableText() { - if (mFocusedNode != null) { - return mFocusedNode.mEditable; - } - return false; - } - - // Called via JNI - private void postInvalidate() { - mWebView.postInvalidate(); - } - - // Note: must be called before first WebViewClassic is created. - public static void setShouldMonitorWebCoreThread() { - WebViewCore.setShouldMonitorWebCoreThread(); - } - - @Override - public void dumpViewHierarchyWithProperties(BufferedWriter out, int level) { - int layer = getBaseLayer(); - if (layer != 0) { - try { - ByteArrayOutputStream stream = new ByteArrayOutputStream(); - ViewStateSerializer.dumpLayerHierarchy(layer, stream, level); - stream.close(); - byte[] buf = stream.toByteArray(); - out.write(new String(buf, "ascii")); - } catch (IOException e) {} - } - } - - @Override - public View findHierarchyView(String className, int hashCode) { - if (mNativeClass == 0) return null; - Picture pic = new Picture(); - if (!nativeDumpLayerContentToPicture(mNativeClass, className, hashCode, pic)) { - return null; - } - return new PictureWrapperView(getContext(), pic, mWebView); - } - - private static class PictureWrapperView extends View { - Picture mPicture; - WebView mWebView; - - public PictureWrapperView(Context context, Picture picture, WebView parent) { - super(context); - mPicture = picture; - mWebView = parent; - setWillNotDraw(false); - setRight(mPicture.getWidth()); - setBottom(mPicture.getHeight()); - } - - @Override - protected void onDraw(Canvas canvas) { - canvas.drawPicture(mPicture); - } - - @Override - public boolean post(Runnable action) { - return mWebView.post(action); - } - } - - private native void nativeCreate(int ptr, String drawableDir, boolean isHighEndGfx); - private native void nativeDebugDump(); - private static native void nativeDestroy(int ptr); - - private native void nativeDraw(Canvas canvas, RectF visibleRect, - int color, int extra); - private native void nativeDumpDisplayTree(String urlOrNull); - private native boolean nativeEvaluateLayersAnimations(int nativeInstance); - private native int nativeCreateDrawGLFunction(int nativeInstance, Rect invScreenRect, - Rect screenRect, RectF visibleContentRect, float scale, int extras); - private native int nativeGetDrawGLFunction(int nativeInstance); - private native void nativeUpdateDrawGLFunction(int nativeInstance, Rect invScreenRect, - Rect screenRect, RectF visibleContentRect, float scale); - private native String nativeGetSelection(); - private native void nativeSetHeightCanMeasure(boolean measure); - private native boolean nativeSetBaseLayer(int nativeInstance, - int layer, boolean showVisualIndicator, boolean isPictureAfterFirstLayout, - int scrollingLayer); - private native int nativeGetBaseLayer(int nativeInstance); - private native void nativeCopyBaseContentToPicture(Picture pict); - private native boolean nativeDumpLayerContentToPicture(int nativeInstance, - String className, int layerId, Picture pict); - private native boolean nativeHasContent(); - private native void nativeStopGL(int ptr); - private native void nativeDiscardAllTextures(); - private native void nativeTileProfilingStart(); - private native float nativeTileProfilingStop(); - private native void nativeTileProfilingClear(); - private native int nativeTileProfilingNumFrames(); - private native int nativeTileProfilingNumTilesInFrame(int frame); - private native int nativeTileProfilingGetInt(int frame, int tile, String key); - private native float nativeTileProfilingGetFloat(int frame, int tile, String key); - - private native void nativeUseHardwareAccelSkia(boolean enabled); - - // Returns a pointer to the scrollable LayerAndroid at the given point. - private native int nativeScrollableLayer(int nativeInstance, int x, int y, Rect scrollRect, - Rect scrollBounds); - /** - * Scroll the specified layer. - * @param nativeInstance Native WebView instance - * @param layer Id of the layer to scroll, as determined by nativeScrollableLayer. - * @param newX Destination x position to which to scroll. - * @param newY Destination y position to which to scroll. - * @return True if the layer is successfully scrolled. - */ - private native boolean nativeScrollLayer(int nativeInstance, int layer, int newX, int newY); - private native void nativeSetIsScrolling(boolean isScrolling); - private native int nativeGetBackgroundColor(int nativeInstance); - native boolean nativeSetProperty(String key, String value); - native String nativeGetProperty(String key); - /** - * See {@link ComponentCallbacks2} for the trim levels and descriptions - */ - private static native void nativeOnTrimMemory(int level); - private static native void nativeSetPauseDrawing(int instance, boolean pause); - private static native void nativeSetTextSelection(int instance, int selection); - private static native int nativeGetHandleLayerId(int instance, int handle, - Point cursorLocation, QuadF textQuad); - private static native void nativeMapLayerRect(int instance, int layerId, - Rect rect); - // Returns 1 if a layer sync is needed, else 0 - private static native int nativeSetHwAccelerated(int instance, boolean hwAccelerated); - private static native void nativeFindMaxVisibleRect(int instance, int layerId, - Rect visibleContentRect); - private static native boolean nativeIsHandleLeft(int instance, int handleId); - private static native boolean nativeIsPointVisible(int instance, - int layerId, int contentX, int contentY); -} |