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Diffstat (limited to 'core/java/android/preference/CheckBoxPreference.java')
-rw-r--r--core/java/android/preference/CheckBoxPreference.java273
1 files changed, 7 insertions, 266 deletions
diff --git a/core/java/android/preference/CheckBoxPreference.java b/core/java/android/preference/CheckBoxPreference.java
index 2bf6c7b74408..437e55332a81 100644
--- a/core/java/android/preference/CheckBoxPreference.java
+++ b/core/java/android/preference/CheckBoxPreference.java
@@ -16,20 +16,11 @@
package android.preference;
-import android.app.Service;
import android.content.Context;
-import android.content.SharedPreferences;
import android.content.res.TypedArray;
-import android.os.Parcel;
-import android.os.Parcelable;
import android.util.AttributeSet;
import android.view.View;
-import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityManager;
-import android.widget.CheckBox;
import android.widget.Checkable;
-import android.widget.TextView;
/**
* A {@link Preference} that provides checkbox widget
@@ -41,31 +32,18 @@ import android.widget.TextView;
* @attr ref android.R.styleable#CheckBoxPreference_summaryOn
* @attr ref android.R.styleable#CheckBoxPreference_disableDependentsState
*/
-public class CheckBoxPreference extends Preference {
+public class CheckBoxPreference extends TwoStatePreference {
- private CharSequence mSummaryOn;
- private CharSequence mSummaryOff;
-
- private boolean mChecked;
- private boolean mSendAccessibilityEventViewClickedType;
-
- private AccessibilityManager mAccessibilityManager;
-
- private boolean mDisableDependentsState;
-
public CheckBoxPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
TypedArray a = context.obtainStyledAttributes(attrs,
com.android.internal.R.styleable.CheckBoxPreference, defStyle, 0);
- mSummaryOn = a.getString(com.android.internal.R.styleable.CheckBoxPreference_summaryOn);
- mSummaryOff = a.getString(com.android.internal.R.styleable.CheckBoxPreference_summaryOff);
- mDisableDependentsState = a.getBoolean(
- com.android.internal.R.styleable.CheckBoxPreference_disableDependentsState, false);
+ setSummaryOn(a.getString(com.android.internal.R.styleable.CheckBoxPreference_summaryOn));
+ setSummaryOff(a.getString(com.android.internal.R.styleable.CheckBoxPreference_summaryOff));
+ setDisableDependentsState(a.getBoolean(
+ com.android.internal.R.styleable.CheckBoxPreference_disableDependentsState, false));
a.recycle();
-
- mAccessibilityManager =
- (AccessibilityManager) getContext().getSystemService(Service.ACCESSIBILITY_SERVICE);
}
public CheckBoxPreference(Context context, AttributeSet attrs) {
@@ -84,246 +62,9 @@ public class CheckBoxPreference extends Preference {
if (checkboxView != null && checkboxView instanceof Checkable) {
((Checkable) checkboxView).setChecked(mChecked);
- // send an event to announce the value change of the CheckBox and is done here
- // because clicking a preference does not immediately change the checked state
- // for example when enabling the WiFi
- if (mSendAccessibilityEventViewClickedType &&
- mAccessibilityManager.isEnabled() &&
- checkboxView.isEnabled()) {
- mSendAccessibilityEventViewClickedType = false;
-
- // we send an event on behalf of the check box because in onBind the latter
- // is detached from its parent and such views do not send accessibility events
- AccessibilityEvent event = AccessibilityEvent.obtain(
- AccessibilityEvent.TYPE_VIEW_CLICKED);
- event.setClassName(checkboxView.getClass().getName());
- event.setPackageName(getContext().getPackageName());
- event.setEnabled(checkboxView.isEnabled());
- event.setContentDescription(checkboxView.getContentDescription());
- event.setChecked(((Checkable) checkboxView).isChecked());
- mAccessibilityManager.sendAccessibilityEvent(event);
- }
- }
-
- // Sync the summary view
- TextView summaryView = (TextView) view.findViewById(com.android.internal.R.id.summary);
- if (summaryView != null) {
- boolean useDefaultSummary = true;
- if (mChecked && mSummaryOn != null) {
- summaryView.setText(mSummaryOn);
- useDefaultSummary = false;
- } else if (!mChecked && mSummaryOff != null) {
- summaryView.setText(mSummaryOff);
- useDefaultSummary = false;
- }
-
- if (useDefaultSummary) {
- final CharSequence summary = getSummary();
- if (summary != null) {
- summaryView.setText(summary);
- useDefaultSummary = false;
- }
- }
-
- int newVisibility = View.GONE;
- if (!useDefaultSummary) {
- // Someone has written to it
- newVisibility = View.VISIBLE;
- }
- if (newVisibility != summaryView.getVisibility()) {
- summaryView.setVisibility(newVisibility);
- }
- }
- }
-
- @Override
- protected void onClick() {
- super.onClick();
-
- boolean newValue = !isChecked();
-
- // in onBindView() an AccessibilityEventViewClickedType is sent to announce the change
- // not sending
- mSendAccessibilityEventViewClickedType = true;
-
- if (!callChangeListener(newValue)) {
- return;
- }
-
- setChecked(newValue);
- }
-
- /**
- * Sets the checked state and saves it to the {@link SharedPreferences}.
- *
- * @param checked The checked state.
- */
- public void setChecked(boolean checked) {
- if (mChecked != checked) {
- mChecked = checked;
- persistBoolean(checked);
- notifyDependencyChange(shouldDisableDependents());
- notifyChanged();
- }
- }
-
- /**
- * Returns the checked state.
- *
- * @return The checked state.
- */
- public boolean isChecked() {
- return mChecked;
- }
-
- @Override
- public boolean shouldDisableDependents() {
- boolean shouldDisable = mDisableDependentsState ? mChecked : !mChecked;
- return shouldDisable || super.shouldDisableDependents();
- }
-
- /**
- * Sets the summary to be shown when checked.
- *
- * @param summary The summary to be shown when checked.
- */
- public void setSummaryOn(CharSequence summary) {
- mSummaryOn = summary;
- if (isChecked()) {
- notifyChanged();
- }
- }
-
- /**
- * @see #setSummaryOn(CharSequence)
- * @param summaryResId The summary as a resource.
- */
- public void setSummaryOn(int summaryResId) {
- setSummaryOn(getContext().getString(summaryResId));
- }
-
- /**
- * Returns the summary to be shown when checked.
- * @return The summary.
- */
- public CharSequence getSummaryOn() {
- return mSummaryOn;
- }
-
- /**
- * Sets the summary to be shown when unchecked.
- *
- * @param summary The summary to be shown when unchecked.
- */
- public void setSummaryOff(CharSequence summary) {
- mSummaryOff = summary;
- if (!isChecked()) {
- notifyChanged();
- }
- }
-
- /**
- * @see #setSummaryOff(CharSequence)
- * @param summaryResId The summary as a resource.
- */
- public void setSummaryOff(int summaryResId) {
- setSummaryOff(getContext().getString(summaryResId));
- }
-
- /**
- * Returns the summary to be shown when unchecked.
- * @return The summary.
- */
- public CharSequence getSummaryOff() {
- return mSummaryOff;
- }
-
- /**
- * Returns whether dependents are disabled when this preference is on ({@code true})
- * or when this preference is off ({@code false}).
- *
- * @return Whether dependents are disabled when this preference is on ({@code true})
- * or when this preference is off ({@code false}).
- */
- public boolean getDisableDependentsState() {
- return mDisableDependentsState;
- }
-
- /**
- * Sets whether dependents are disabled when this preference is on ({@code true})
- * or when this preference is off ({@code false}).
- *
- * @param disableDependentsState The preference state that should disable dependents.
- */
- public void setDisableDependentsState(boolean disableDependentsState) {
- mDisableDependentsState = disableDependentsState;
- }
-
- @Override
- protected Object onGetDefaultValue(TypedArray a, int index) {
- return a.getBoolean(index, false);
- }
-
- @Override
- protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
- setChecked(restoreValue ? getPersistedBoolean(mChecked)
- : (Boolean) defaultValue);
- }
-
- @Override
- protected Parcelable onSaveInstanceState() {
- final Parcelable superState = super.onSaveInstanceState();
- if (isPersistent()) {
- // No need to save instance state since it's persistent
- return superState;
- }
-
- final SavedState myState = new SavedState(superState);
- myState.checked = isChecked();
- return myState;
- }
-
- @Override
- protected void onRestoreInstanceState(Parcelable state) {
- if (state == null || !state.getClass().equals(SavedState.class)) {
- // Didn't save state for us in onSaveInstanceState
- super.onRestoreInstanceState(state);
- return;
- }
-
- SavedState myState = (SavedState) state;
- super.onRestoreInstanceState(myState.getSuperState());
- setChecked(myState.checked);
- }
-
- private static class SavedState extends BaseSavedState {
- boolean checked;
-
- public SavedState(Parcel source) {
- super(source);
- checked = source.readInt() == 1;
- }
-
- @Override
- public void writeToParcel(Parcel dest, int flags) {
- super.writeToParcel(dest, flags);
- dest.writeInt(checked ? 1 : 0);
+ sendAccessibilityEventForView(checkboxView);
}
- public SavedState(Parcelable superState) {
- super(superState);
- }
-
- public static final Parcelable.Creator<SavedState> CREATOR =
- new Parcelable.Creator<SavedState>() {
- public SavedState createFromParcel(Parcel in) {
- return new SavedState(in);
- }
-
- public SavedState[] newArray(int size) {
- return new SavedState[size];
- }
- };
+ syncSummaryView(view);
}
-
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-21 21:20:22 +0000