diff options
Diffstat (limited to 'java/src/com/android/inputmethod/accessibility/AccessibilityEntityProvider.java')
| -rw-r--r-- | java/src/com/android/inputmethod/accessibility/AccessibilityEntityProvider.java | 132 |
1 files changed, 59 insertions, 73 deletions
diff --git a/java/src/com/android/inputmethod/accessibility/AccessibilityEntityProvider.java b/java/src/com/android/inputmethod/accessibility/AccessibilityEntityProvider.java index 0ab84f7b5..0576f666c 100644 --- a/java/src/com/android/inputmethod/accessibility/AccessibilityEntityProvider.java +++ b/java/src/com/android/inputmethod/accessibility/AccessibilityEntityProvider.java @@ -71,12 +71,11 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider /** The current keyboard view. */ private KeyboardView mKeyboardView; - public AccessibilityEntityProvider(KeyboardView keyboardView, InputMethodService inputMethod) { + public AccessibilityEntityProvider(final KeyboardView keyboardView, + final InputMethodService inputMethod) { mInputMethodService = inputMethod; - mKeyCodeDescriptionMapper = KeyCodeDescriptionMapper.getInstance(); mAccessibilityUtils = AccessibilityUtils.getInstance(); - setView(keyboardView); } @@ -85,21 +84,19 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider * * @param keyboardView The keyboard view to represent. */ - public void setView(KeyboardView keyboardView) { + public void setView(final KeyboardView keyboardView) { mKeyboardView = keyboardView; updateParentLocation(); // Since this class is constructed lazily, we might not get a subsequent // call to setKeyboard() and therefore need to call it now. - setKeyboard(mKeyboardView.getKeyboard()); + setKeyboard(); } /** * Sets the keyboard represented by this node provider. - * - * @param keyboard The keyboard to represent. */ - public void setKeyboard(Keyboard keyboard) { + public void setKeyboard() { assignVirtualViewIds(); } @@ -112,19 +109,16 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider * @return A populated {@link AccessibilityEvent} for the key. * @see AccessibilityEvent */ - public AccessibilityEvent createAccessibilityEvent(Key key, int eventType) { + public AccessibilityEvent createAccessibilityEvent(final Key key, final int eventType) { final int virtualViewId = generateVirtualViewIdForKey(key); final String keyDescription = getKeyDescription(key); - final AccessibilityEvent event = AccessibilityEvent.obtain(eventType); event.setPackageName(mKeyboardView.getContext().getPackageName()); event.setClassName(key.getClass().getName()); event.setContentDescription(keyDescription); event.setEnabled(true); - final AccessibilityRecordCompat record = new AccessibilityRecordCompat(event); record.setSource(mKeyboardView, virtualViewId); - return event; } @@ -145,68 +139,65 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider * </p> * * @param virtualViewId A client defined virtual view id. - * @return A populated {@link AccessibilityNodeInfoCompat} for a virtual - * descendant or the host View. + * @return A populated {@link AccessibilityNodeInfoCompat} for a virtual descendant or the host + * View. * @see AccessibilityNodeInfoCompat */ @Override - public AccessibilityNodeInfoCompat createAccessibilityNodeInfo(int virtualViewId) { - AccessibilityNodeInfoCompat info = null; - + public AccessibilityNodeInfoCompat createAccessibilityNodeInfo(final int virtualViewId) { if (virtualViewId == UNDEFINED) { return null; - } else if (virtualViewId == View.NO_ID) { + } + if (virtualViewId == View.NO_ID) { // We are requested to create an AccessibilityNodeInfo describing // this View, i.e. the root of the virtual sub-tree. - info = AccessibilityNodeInfoCompat.obtain(mKeyboardView); - ViewCompat.onInitializeAccessibilityNodeInfo(mKeyboardView, info); + final AccessibilityNodeInfoCompat rootInfo = + AccessibilityNodeInfoCompat.obtain(mKeyboardView); + ViewCompat.onInitializeAccessibilityNodeInfo(mKeyboardView, rootInfo); // Add the virtual children of the root View. final Keyboard keyboard = mKeyboardView.getKeyboard(); final Key[] keys = keyboard.mKeys; for (Key key : keys) { final int childVirtualViewId = generateVirtualViewIdForKey(key); - info.addChild(mKeyboardView, childVirtualViewId); - } - } else { - // Find the view that corresponds to the given id. - final Key key = mVirtualViewIdToKey.get(virtualViewId); - if (key == null) { - Log.e(TAG, "Invalid virtual view ID: " + virtualViewId); - return null; - } - - final String keyDescription = getKeyDescription(key); - final Rect boundsInParent = key.mHitBox; - - // Calculate the key's in-screen bounds. - mTempBoundsInScreen.set(boundsInParent); - mTempBoundsInScreen.offset( - CoordinateUtils.x(mParentLocation), CoordinateUtils.y(mParentLocation)); - - final Rect boundsInScreen = mTempBoundsInScreen; - - // Obtain and initialize an AccessibilityNodeInfo with - // information about the virtual view. - info = AccessibilityNodeInfoCompat.obtain(); - info.setPackageName(mKeyboardView.getContext().getPackageName()); - info.setClassName(key.getClass().getName()); - info.setContentDescription(keyDescription); - info.setBoundsInParent(boundsInParent); - info.setBoundsInScreen(boundsInScreen); - info.setParent(mKeyboardView); - info.setSource(mKeyboardView, virtualViewId); - info.setBoundsInScreen(boundsInScreen); - info.setEnabled(true); - info.setVisibleToUser(true); - - if (mAccessibilityFocusedView == virtualViewId) { - info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS); - } else { - info.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS); + rootInfo.addChild(mKeyboardView, childVirtualViewId); } + return rootInfo; } + // Find the view that corresponds to the given id. + final Key key = mVirtualViewIdToKey.get(virtualViewId); + if (key == null) { + Log.e(TAG, "Invalid virtual view ID: " + virtualViewId); + return null; + } + final String keyDescription = getKeyDescription(key); + final Rect boundsInParent = key.mHitBox; + + // Calculate the key's in-screen bounds. + mTempBoundsInScreen.set(boundsInParent); + mTempBoundsInScreen.offset( + CoordinateUtils.x(mParentLocation), CoordinateUtils.y(mParentLocation)); + final Rect boundsInScreen = mTempBoundsInScreen; + + // Obtain and initialize an AccessibilityNodeInfo with information about the virtual view. + final AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain(); + info.setPackageName(mKeyboardView.getContext().getPackageName()); + info.setClassName(key.getClass().getName()); + info.setContentDescription(keyDescription); + info.setBoundsInParent(boundsInParent); + info.setBoundsInScreen(boundsInScreen); + info.setParent(mKeyboardView); + info.setSource(mKeyboardView, virtualViewId); + info.setBoundsInScreen(boundsInScreen); + info.setEnabled(true); + info.setVisibleToUser(true); + + if (mAccessibilityFocusedView == virtualViewId) { + info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS); + } else { + info.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS); + } return info; } @@ -216,7 +207,7 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider * * @param key The key to press. */ - void simulateKeyPress(Key key) { + void simulateKeyPress(final Key key) { final int x = key.mHitBox.centerX(); final int y = key.mHitBox.centerY(); final long downTime = SystemClock.uptimeMillis(); @@ -227,19 +218,17 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider mKeyboardView.onTouchEvent(downEvent); mKeyboardView.onTouchEvent(upEvent); - downEvent.recycle(); upEvent.recycle(); } @Override - public boolean performAction(int virtualViewId, int action, Bundle arguments) { + public boolean performAction(final int virtualViewId, final int action, + final Bundle arguments) { final Key key = mVirtualViewIdToKey.get(virtualViewId); - if (key == null) { return false; } - return performActionForKey(key, action, arguments); } @@ -249,10 +238,9 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider * @param key The on which to perform the action. * @param action The action to perform. * @param arguments The action's arguments. - * @return The result of performing the action, or false if the action is - * not supported. + * @return The result of performing the action, or false if the action is not supported. */ - boolean performActionForKey(Key key, int action, Bundle arguments) { + boolean performActionForKey(final Key key, final int action, final Bundle arguments) { final int virtualViewId = generateVirtualViewIdForKey(key); switch (action) { @@ -272,9 +260,9 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider sendAccessibilityEventForKey( key, AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED); return true; + default: + return false; } - - return false; } /** @@ -283,7 +271,7 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider * @param key The key that's sending the event. * @param eventType The type of event to send. */ - void sendAccessibilityEventForKey(Key key, int eventType) { + void sendAccessibilityEventForKey(final Key key, final int eventType) { final AccessibilityEvent event = createAccessibilityEvent(key, eventType); mAccessibilityUtils.requestSendAccessibilityEvent(event); } @@ -294,12 +282,11 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider * @param key The key to describe. * @return The context-specific description of the key. */ - private String getKeyDescription(Key key) { + private String getKeyDescription(final Key key) { final EditorInfo editorInfo = mInputMethodService.getCurrentInputEditorInfo(); final boolean shouldObscure = mAccessibilityUtils.shouldObscureInput(editorInfo); final String keyDescription = mKeyCodeDescriptionMapper.getDescriptionForKey( mKeyboardView.getContext(), mKeyboardView.getKeyboard(), key, shouldObscure); - return keyDescription; } @@ -311,7 +298,6 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider if (keyboard == null) { return; } - mVirtualViewIdToKey.clear(); final Key[] keys = keyboard.mKeys; @@ -335,7 +321,7 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider * @param key The key to identify. * @return A virtual view identifier. */ - private static int generateVirtualViewIdForKey(Key key) { + private static int generateVirtualViewIdForKey(final Key key) { // The key x- and y-coordinates are stable between layout changes. // Generate an identifier by bit-shifting the x-coordinate to the // left-half of the integer and OR'ing with the y-coordinate. |