am cefd97c8: am e54c5f13: Merge "Exposing some accessiblity actions only for enabled views." into jb-dev

* commit 'cefd97c8546d6dca184e8ac9589ab2ff1b795c06':
  Exposing some accessiblity actions only for enabled views.

7 files changed, 108 insertions, 66 deletions

diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 04c8cdc59e9b..8643e9eaaed7 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -1470,11 +1470,13 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
     public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
         super.onInitializeAccessibilityNodeInfo(info);
         info.setClassName(AbsListView.class.getName());
-        if (getFirstVisiblePosition() > 0) {
-            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
-        }
-        if (getLastVisiblePosition() < getCount() - 1) {
-            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+        if (isEnabled()) {
+            if (getFirstVisiblePosition() > 0) {
+                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+            }
+            if (getLastVisiblePosition() < getCount() - 1) {
+                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+            }
         }
     }
 
@@ -1485,14 +1487,14 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
         }
         switch (action) {
             case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
-                if (getLastVisiblePosition() < getCount() - 1) {
+                if (isEnabled() && getLastVisiblePosition() < getCount() - 1) {
                     final int viewportHeight = getHeight() - mListPadding.top - mListPadding.bottom;
                     smoothScrollBy(viewportHeight, PositionScroller.SCROLL_DURATION);
                     return true;
                 }
             } return false;
             case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
-                if (mFirstPosition > 0) {
+                if (isEnabled() && mFirstPosition > 0) {
                     final int viewportHeight = getHeight() - mListPadding.top - mListPadding.bottom;
                     smoothScrollBy(-viewportHeight, PositionScroller.SCROLL_DURATION);
                     return true;
@@ -2294,17 +2296,19 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
                 return;
             }
 
-            if (isClickable()) {
+            if (isClickable() && isEnabled()) {
                 info.addAction(AccessibilityNodeInfo.ACTION_CLICK);
                 info.setClickable(true);
             }
 
-            if (isLongClickable()) {
+            if (isLongClickable() && isEnabled()) {
                 info.addAction(AccessibilityNodeInfo.ACTION_LONG_CLICK);
                 info.setLongClickable(true);
             }
 
-            info.addAction(AccessibilityNodeInfo.ACTION_SELECT);
+            if (isEnabled()) {
+                info.addAction(AccessibilityNodeInfo.ACTION_SELECT);
+            }
 
             if (position == getSelectedItemPosition()) {
                 info.setSelected(true);
@@ -2313,34 +2317,40 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
 
         @Override
         public boolean performAccessibilityAction(View host, int action, Bundle arguments) {
+            if (super.performAccessibilityAction(host, action, arguments)) {
+                return true;
+            }
+
             final int position = getPositionForView(host);
 
             if (position == INVALID_POSITION) {
                 return false;
             }
 
+            if (!isEnabled()) {
+                return false;
+            }
+
             final long id = getItemIdAtPosition(position);
 
             switch (action) {
-                case AccessibilityNodeInfo.ACTION_SELECT:
+                case AccessibilityNodeInfo.ACTION_SELECT: {
                     setSelection(position);
                     return true;
-                case AccessibilityNodeInfo.ACTION_CLICK:
-                    if (!super.performAccessibilityAction(host, action, arguments)) {
+                }
+                case AccessibilityNodeInfo.ACTION_CLICK: {
+                    if (isClickable()) {
                         return performItemClick(host, position, id);
                     }
-                    return true;
-                case AccessibilityNodeInfo.ACTION_LONG_CLICK:
-                    if (!super.performAccessibilityAction(host, action, arguments)) {
+                } return false;
+                case AccessibilityNodeInfo.ACTION_LONG_CLICK: {
+                    if (isLongClickable()) {
                         return performLongPress(host, position, id);
                     }
-                    return true;
-                case AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS:
-                    smoothScrollToPosition(position);
-                    break;
+                } return false;
             }
 
-            return super.performAccessibilityAction(host, action, arguments);
+            return false;
         }
     }
 
diff --git a/core/java/android/widget/Gallery.java b/core/java/android/widget/Gallery.java
index c8e702ce4ead..d58ddf8145f7 100644
--- a/core/java/android/widget/Gallery.java
+++ b/core/java/android/widget/Gallery.java
@@ -1369,11 +1369,13 @@ public class Gallery extends AbsSpinner implements GestureDetector.OnGestureList
         super.onInitializeAccessibilityNodeInfo(info);
         info.setClassName(Gallery.class.getName());
         info.setScrollable(mItemCount > 1);
-        if (mItemCount > 0 && mSelectedPosition < mItemCount - 1) {
-            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
-        }
-        if (mItemCount > 0 && mSelectedPosition > 0) {
-            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+        if (isEnabled()) {
+            if (mItemCount > 0 && mSelectedPosition < mItemCount - 1) {
+                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+            }
+            if (isEnabled() && mItemCount > 0 && mSelectedPosition > 0) {
+                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+            }
         }
     }
 
@@ -1384,13 +1386,13 @@ public class Gallery extends AbsSpinner implements GestureDetector.OnGestureList
         }
         switch (action) {
             case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
-                if (mItemCount > 0 && mSelectedPosition < mItemCount - 1) {
+                if (isEnabled() && mItemCount > 0 && mSelectedPosition < mItemCount - 1) {
                     final int currentChildIndex = mSelectedPosition - mFirstPosition;
                     return scrollToChild(currentChildIndex + 1);
                 }
             } return false;
             case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
-                if (mItemCount > 0 && mSelectedPosition > 0) {
+                if (isEnabled() && mItemCount > 0 && mSelectedPosition > 0) {
                     final int currentChildIndex = mSelectedPosition - mFirstPosition;
                     return scrollToChild(currentChildIndex - 1);
                 }
diff --git a/core/java/android/widget/HorizontalScrollView.java b/core/java/android/widget/HorizontalScrollView.java
index f889cb74671c..8c6ce19e12b8 100644
--- a/core/java/android/widget/HorizontalScrollView.java
+++ b/core/java/android/widget/HorizontalScrollView.java
@@ -744,6 +744,9 @@ public class HorizontalScrollView extends FrameLayout {
         }
         switch (action) {
             case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
+                if (!isEnabled()) {
+                    return false;
+                }
                 final int viewportWidth = getWidth() - mPaddingLeft - mPaddingRight;
                 final int targetScrollX = Math.min(mScrollX + viewportWidth, getScrollRange());
                 if (targetScrollX != mScrollX) {
@@ -752,6 +755,9 @@ public class HorizontalScrollView extends FrameLayout {
                 }
             } return false;
             case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
+                if (!isEnabled()) {
+                    return false;
+                }
                 final int viewportWidth = getWidth() - mPaddingLeft - mPaddingRight;
                 final int targetScrollX = Math.max(0, mScrollX - viewportWidth);
                 if (targetScrollX != mScrollX) {
@@ -770,10 +776,10 @@ public class HorizontalScrollView extends FrameLayout {
         final int scrollRange = getScrollRange();
         if (scrollRange > 0) {
             info.setScrollable(true);
-            if (mScrollX > 0) {
+            if (isEnabled() && mScrollX > 0) {
                 info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
             }
-            if (mScrollX < scrollRange) {
+            if (isEnabled() && mScrollX < scrollRange) {
                 info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
             }
         }
diff --git a/core/java/android/widget/NumberPicker.java b/core/java/android/widget/NumberPicker.java
index 515f0c4bfb3f..b60ffc52982c 100644
--- a/core/java/android/widget/NumberPicker.java
+++ b/core/java/android/widget/NumberPicker.java
@@ -2173,13 +2173,15 @@ public class NumberPicker extends LinearLayout {
                             return false;
                         }
                         case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
-                            if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
+                            if (NumberPicker.this.isEnabled()
+                                    && (getWrapSelectorWheel() || getValue() < getMaxValue())) {
                                 changeValueByOne(true);
                                 return true;
                             }
                         } return false;
                         case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
-                            if (getWrapSelectorWheel() || getValue() > getMinValue()) {
+                            if (NumberPicker.this.isEnabled()
+                                    && (getWrapSelectorWheel() || getValue() > getMinValue())) {
                                 changeValueByOne(false);
                                 return true;
                             }
@@ -2189,20 +2191,23 @@ public class NumberPicker extends LinearLayout {
                 case VIRTUAL_VIEW_ID_INPUT: {
                     switch (action) {
                         case AccessibilityNodeInfo.ACTION_FOCUS: {
-                            if (!mInputText.isFocused()) {
+                            if (NumberPicker.this.isEnabled() && !mInputText.isFocused()) {
                                 return mInputText.requestFocus();
                             }
                         } break;
                         case AccessibilityNodeInfo.ACTION_CLEAR_FOCUS: {
-                            if (mInputText.isFocused()) {
+                            if (NumberPicker.this.isEnabled() && mInputText.isFocused()) {
                                 mInputText.clearFocus();
                                 return true;
                             }
                             return false;
                         }
                         case AccessibilityNodeInfo.ACTION_CLICK: {
-                            showSoftInput();
-                            return true;
+                            if (NumberPicker.this.isEnabled()) {
+                                showSoftInput();
+                                return true;
+                            }
+                            return false;
                         }
                         case AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS: {
                             if (mAccessibilityFocusedView != virtualViewId) {
@@ -2230,10 +2235,13 @@ public class NumberPicker extends LinearLayout {
                 case VIRTUAL_VIEW_ID_INCREMENT: {
                     switch (action) {
                         case AccessibilityNodeInfo.ACTION_CLICK: {
-                            NumberPicker.this.changeValueByOne(true);
-                            sendAccessibilityEventForVirtualView(virtualViewId,
-                                    AccessibilityEvent.TYPE_VIEW_CLICKED);
-                        } return true;
+                            if (NumberPicker.this.isEnabled()) {
+                                NumberPicker.this.changeValueByOne(true);
+                                sendAccessibilityEventForVirtualView(virtualViewId,
+                                        AccessibilityEvent.TYPE_VIEW_CLICKED);
+                                return true;
+                            }
+                        } return false;
                         case AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS: {
                             if (mAccessibilityFocusedView != virtualViewId) {
                                 mAccessibilityFocusedView = virtualViewId;
@@ -2257,11 +2265,14 @@ public class NumberPicker extends LinearLayout {
                 case VIRTUAL_VIEW_ID_DECREMENT: {
                     switch (action) {
                         case AccessibilityNodeInfo.ACTION_CLICK: {
-                            final boolean increment = (virtualViewId == VIRTUAL_VIEW_ID_INCREMENT);
-                            NumberPicker.this.changeValueByOne(increment);
-                            sendAccessibilityEventForVirtualView(virtualViewId,
-                                    AccessibilityEvent.TYPE_VIEW_CLICKED);
-                        } return true;
+                            if (NumberPicker.this.isEnabled()) {
+                                final boolean increment = (virtualViewId == VIRTUAL_VIEW_ID_INCREMENT);
+                                NumberPicker.this.changeValueByOne(increment);
+                                sendAccessibilityEventForVirtualView(virtualViewId,
+                                        AccessibilityEvent.TYPE_VIEW_CLICKED);
+                                return true;
+                            }
+                        } return false;
                         case AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS: {
                             if (mAccessibilityFocusedView != virtualViewId) {
                                 mAccessibilityFocusedView = virtualViewId;
@@ -2470,7 +2481,9 @@ public class NumberPicker extends LinearLayout {
             if (mAccessibilityFocusedView == virtualViewId) {
                 info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
             }
-            info.addAction(AccessibilityNodeInfo.ACTION_CLICK);
+            if (NumberPicker.this.isEnabled()) {
+                info.addAction(AccessibilityNodeInfo.ACTION_CLICK);
+            }
 
             return info;
         }
@@ -2509,11 +2522,13 @@ public class NumberPicker extends LinearLayout {
             if (mAccessibilityFocusedView == View.NO_ID) {
                 info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
             }
-            if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
-                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
-            }
-            if (getWrapSelectorWheel() || getValue() > getMinValue()) {
-                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+            if (NumberPicker.this.isEnabled()) {
+                if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
+                    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+                }
+                if (getWrapSelectorWheel() || getValue() > getMinValue()) {
+                    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+                }
             }
 
             return info;
diff --git a/core/java/android/widget/ScrollView.java b/core/java/android/widget/ScrollView.java
index a499743bcb8d..2a20c56c943d 100644
--- a/core/java/android/widget/ScrollView.java
+++ b/core/java/android/widget/ScrollView.java
@@ -745,6 +745,9 @@ public class ScrollView extends FrameLayout {
         if (super.performAccessibilityAction(action, arguments)) {
             return true;
         }
+        if (!isEnabled()) {
+            return false;
+        }
         switch (action) {
             case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
                 final int viewportHeight = getHeight() - mPaddingBottom - mPaddingTop;
@@ -770,14 +773,16 @@ public class ScrollView extends FrameLayout {
     public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
         super.onInitializeAccessibilityNodeInfo(info);
         info.setClassName(ScrollView.class.getName());
-        final int scrollRange = getScrollRange();
-        if (scrollRange > 0) {
-            info.setScrollable(true);
-            if (mScrollY > 0) {
-                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
-            }
-            if (mScrollY < scrollRange) {
-                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+        if (isEnabled()) {
+            final int scrollRange = getScrollRange();
+            if (scrollRange > 0) {
+                info.setScrollable(true);
+                if (mScrollY > 0) {
+                    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+                }
+                if (mScrollY < scrollRange) {
+                    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+                }
             }
         }
     }
diff --git a/core/java/android/widget/StackView.java b/core/java/android/widget/StackView.java
index dd0915ba47e3..293eda182559 100644
--- a/core/java/android/widget/StackView.java
+++ b/core/java/android/widget/StackView.java
@@ -1230,11 +1230,13 @@ public class StackView extends AdapterViewAnimator {
         super.onInitializeAccessibilityNodeInfo(info);
         info.setClassName(StackView.class.getName());
         info.setScrollable(getChildCount() > 1);
-        if (getDisplayedChild() < getChildCount() - 1) {
-            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
-        }
-        if (getDisplayedChild() > 0) {
-            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+        if (isEnabled()) {
+            if (getDisplayedChild() < getChildCount() - 1) {
+                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+            }
+            if (getDisplayedChild() > 0) {
+                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+            }
         }
     }
 
@@ -1243,6 +1245,9 @@ public class StackView extends AdapterViewAnimator {
         if (super.performAccessibilityAction(action, arguments)) {
             return true;
         }
+        if (!isEnabled()) {
+            return false;
+        }
         switch (action) {
             case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
                 if (getDisplayedChild() < getChildCount() - 1) {
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 4192d283751c..7d69bbcdad2f 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -7728,8 +7728,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
             info.setText(getTextForAccessibility());
         }
 
-        if (TextUtils.isEmpty(getContentDescription())
-                && !TextUtils.isEmpty(mText)) {
+        if (TextUtils.isEmpty(getContentDescription()) && !TextUtils.isEmpty(mText)) {
             info.addAction(AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY);
             info.addAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY);
             info.setMovementGranularities(AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER