Java Code Examples for android.support.v4.view.accessibility.AccessibilityNodeInfoCompat#ACTION_CLEAR_ACCESSIBILITY_FOCUS

The following examples show how to use android.support.v4.view.accessibility.AccessibilityNodeInfoCompat#ACTION_CLEAR_ACCESSIBILITY_FOCUS . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: KeyboardAccessibilityNodeProvider.java    From Indic-Keyboard with Apache License 2.0 6 votes vote down vote up 
/**
 * Performs the specified accessibility action for the given key.
 *
 * @param key The on which to perform the action.
 * @param action The action to perform.
 * @return The result of performing the action, or false if the action is not supported.
 */
boolean performActionForKey(final Key key, final int action) {
    switch (action) {
    case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
        mAccessibilityFocusedView = getVirtualViewIdOf(key);
        sendAccessibilityEventForKey(
                key, AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUSED);
        return true;
    case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
        mAccessibilityFocusedView = UNDEFINED;
        sendAccessibilityEventForKey(
                key, AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED);
        return true;
    case AccessibilityNodeInfoCompat.ACTION_CLICK:
        sendAccessibilityEventForKey(key, AccessibilityEvent.TYPE_VIEW_CLICKED);
        mDelegate.performClickOn(key);
        return true;
    case AccessibilityNodeInfoCompat.ACTION_LONG_CLICK:
        sendAccessibilityEventForKey(key, AccessibilityEvent.TYPE_VIEW_LONG_CLICKED);
        mDelegate.performLongClickOn(key);
        return true;
    default:
        return false;
    }
}
Example 2
Source File: ExploreByTouchHelper.java    From android-recipes-app with Apache License 2.0 5 votes vote down vote up 
private boolean manageFocusForChild(int virtualViewId, int action, Bundle arguments) {
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
            return requestAccessibilityFocus(virtualViewId);
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            return clearAccessibilityFocus(virtualViewId);
        default:
            return false;
    }
}
Example 3
Source File: ExploreByTouchHelper.java    From guideshow with MIT License 5 votes vote down vote up 
private boolean manageFocusForChild(int virtualViewId, int action, Bundle arguments) {
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
            return requestAccessibilityFocus(virtualViewId);
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            return clearAccessibilityFocus(virtualViewId);
        default:
            return false;
    }
}
Example 4
Source File: ExploreByTouchHelper.java    From guideshow with MIT License 5 votes vote down vote up 
private boolean performActionForChild(int virtualViewId, int action, Bundle arguments) {
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            return manageFocusForChild(virtualViewId, action, arguments);
        default:
            return onPerformActionForVirtualView(virtualViewId, action, arguments);
    }
}
Example 5
Source File: ExploreByTouchHelper.java    From V.FlyoutTest with MIT License 5 votes vote down vote up 
private boolean manageFocusForChild(int virtualViewId, int action, Bundle arguments) {
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
            return requestAccessibilityFocus(virtualViewId);
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            return clearAccessibilityFocus(virtualViewId);
        default:
            return false;
    }
}
Example 6
Source File: ExploreByTouchHelper.java    From V.FlyoutTest with MIT License 5 votes vote down vote up 
private boolean performActionForChild(int virtualViewId, int action, Bundle arguments) {
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            return manageFocusForChild(virtualViewId, action, arguments);
        default:
            return onPerformActionForVirtualView(virtualViewId, action, arguments);
    }
}
Example 7
Source File: TouchExplorationHelper.java    From DateTimepicker with Apache License 2.0 5 votes vote down vote up 
@Override
public boolean performAction(int virtualViewId, int action, Bundle arguments) {
    if (virtualViewId == View.NO_ID) {
        return ViewCompat.performAccessibilityAction(mParentView, action, arguments);
    }

    final T item = getItemForId(virtualViewId);
    if (item == null) {
        return false;
    }

    boolean handled = false;

    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
            if (mFocusedItemId != virtualViewId) {
                mFocusedItemId = virtualViewId;
                sendEventForItem(item, AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED);
                handled = true;
            }
            break;
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            if (mFocusedItemId == virtualViewId) {
                mFocusedItemId = INVALID_ID;
                sendEventForItem(item, AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED);
                handled = true;
            }
            break;
    }

    handled |= performActionForItem(item, action, arguments);

    return handled;
}
Example 8
Source File: ExploreByTouchHelper.java    From android-recipes-app with Apache License 2.0 5 votes vote down vote up 
private boolean performActionForChild(int virtualViewId, int action, Bundle arguments) {
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            return manageFocusForChild(virtualViewId, action, arguments);
        default:
            return onPerformActionForVirtualView(virtualViewId, action, arguments);
    }
}
Example 9
Source File: ExploreByTouchHelper.java    From adt-leanback-support with Apache License 2.0 5 votes vote down vote up 
private boolean manageFocusForChild(int virtualViewId, int action, Bundle arguments) {
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
            return requestAccessibilityFocus(virtualViewId);
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            return clearAccessibilityFocus(virtualViewId);
        default:
            return false;
    }
}
Example 10
Source File: ExploreByTouchHelper.java    From adt-leanback-support with Apache License 2.0 5 votes vote down vote up 
private boolean performActionForChild(int virtualViewId, int action, Bundle arguments) {
    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            return manageFocusForChild(virtualViewId, action, arguments);
        default:
            return onPerformActionForVirtualView(virtualViewId, action, arguments);
    }
}
Example 11
Source File: ExploreByTouchHelper.java    From brailleback with Apache License 2.0 4 votes vote down vote up 
@Override
public boolean performAction(int virtualViewId, int action, Bundle arguments) {
    boolean handled = false;

    switch (action) {
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
            // Only handle the FOCUS action if it's placing focus on
            // a different view that was previously focused.
            if (mFocusedVirtualViewId != virtualViewId) {
                mFocusedVirtualViewId = virtualViewId;
                mHost.invalidate();
                sendEventForVirtualViewId(virtualViewId,
                        AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUSED);
                handled = true;
            }
            break;
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
            if (mFocusedVirtualViewId == virtualViewId) {
                mFocusedVirtualViewId = INVALID_ID;
            }
            // Since we're managing focus at the parent level, we are
            // likely to receive a FOCUS action before a CLEAR_FOCUS
            // action. We'll give the benefit of the doubt to the
            // framework and always handle FOCUS_CLEARED.
            mHost.invalidate();
            sendEventForVirtualViewId(virtualViewId,
                    AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED);
            handled = true;
            break;
        default:
            // Let the node provider handle focus for the root node, but
            // the root node should handle everything else by itself.
            if (virtualViewId == View.NO_ID) {
                return ViewCompat.performAccessibilityAction(mHost, action, arguments);
            }
    }

    // Since the client implementation may want to do something special
    // when a FOCUS event occurs, let them handle all events.
    handled |= performActionForVirtualViewId(virtualViewId, action, arguments);

    return handled;
}
Example 12
Source File: ExploreByTouchHelper.java    From android-recipes-app with Apache License 2.0 4 votes vote down vote up 
/**
 * Constructs and returns an {@link AccessibilityNodeInfoCompat} for the
 * specified item. Automatically manages accessibility focus actions.
 * <p>
 * Allows the implementing class to specify most node properties, but
 * overrides the following:
 * <ul>
 * <li>{@link AccessibilityNodeInfoCompat#setPackageName}
 * <li>{@link AccessibilityNodeInfoCompat#setClassName}
 * <li>{@link AccessibilityNodeInfoCompat#setParent(View)}
 * <li>{@link AccessibilityNodeInfoCompat#setSource(View, int)}
 * <li>{@link AccessibilityNodeInfoCompat#setVisibleToUser}
 * <li>{@link AccessibilityNodeInfoCompat#setBoundsInScreen(Rect)}
 * </ul>
 * <p>
 * Uses the bounds of the parent view and the parent-relative bounding
 * rectangle specified by
 * {@link AccessibilityNodeInfoCompat#getBoundsInParent} to automatically
 * update the following properties:
 * <ul>
 * <li>{@link AccessibilityNodeInfoCompat#setVisibleToUser}
 * <li>{@link AccessibilityNodeInfoCompat#setBoundsInParent}
 * </ul>
 *
 * @param virtualViewId The virtual view id for item for which to construct
 *            a node.
 * @return An {@link AccessibilityNodeInfoCompat} for the specified item.
 */
private AccessibilityNodeInfoCompat createNodeForChild(int virtualViewId) {
    final AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();

    // Ensure the client has good defaults.
    node.setEnabled(true);
    node.setClassName(DEFAULT_CLASS_NAME);

    // Allow the client to populate the node.
    onPopulateNodeForVirtualView(virtualViewId, node);

    // Make sure the developer is following the rules.
    if ((node.getText() == null) && (node.getContentDescription() == null)) {
        throw new RuntimeException("Callbacks must add text or a content description in "
                + "populateNodeForVirtualViewId()");
    }

    node.getBoundsInParent(mTempParentRect);
    if (mTempParentRect.isEmpty()) {
        throw new RuntimeException("Callbacks must set parent bounds in "
                + "populateNodeForVirtualViewId()");
    }

    final int actions = node.getActions();
    if ((actions & AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_ACCESSIBILITY_FOCUS in "
                + "populateNodeForVirtualViewId()");
    }
    if ((actions & AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_CLEAR_ACCESSIBILITY_FOCUS in "
                + "populateNodeForVirtualViewId()");
    }

    // Don't allow the client to override these properties.
    node.setPackageName(mView.getContext().getPackageName());
    node.setSource(mView, virtualViewId);
    node.setParent(mView);

    // Manage internal accessibility focus state.
    if (mFocusedVirtualViewId == virtualViewId) {
        node.setAccessibilityFocused(true);
        node.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    } else {
        node.setAccessibilityFocused(false);
        node.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }

    // Set the visibility based on the parent bound.
    if (intersectVisibleToUser(mTempParentRect)) {
        node.setVisibleToUser(true);
        node.setBoundsInParent(mTempParentRect);
    }

    // Calculate screen-relative bound.
    mView.getLocationOnScreen(mTempGlobalRect);
    final int offsetX = mTempGlobalRect[0];
    final int offsetY = mTempGlobalRect[1];
    mTempScreenRect.set(mTempParentRect);
    mTempScreenRect.offset(offsetX, offsetY);
    node.setBoundsInScreen(mTempScreenRect);

    return node;
}
Example 13
Source File: ExploreByTouchHelper.java    From V.FlyoutTest with MIT License 4 votes vote down vote up 
/**
 * Constructs and returns an {@link AccessibilityNodeInfoCompat} for the
 * specified item. Automatically manages accessibility focus actions.
 * <p>
 * Allows the implementing class to specify most node properties, but
 * overrides the following:
 * <ul>
 * <li>{@link AccessibilityNodeInfoCompat#setPackageName}
 * <li>{@link AccessibilityNodeInfoCompat#setClassName}
 * <li>{@link AccessibilityNodeInfoCompat#setParent(View)}
 * <li>{@link AccessibilityNodeInfoCompat#setSource(View, int)}
 * <li>{@link AccessibilityNodeInfoCompat#setVisibleToUser}
 * <li>{@link AccessibilityNodeInfoCompat#setBoundsInScreen(Rect)}
 * </ul>
 * <p>
 * Uses the bounds of the parent view and the parent-relative bounding
 * rectangle specified by
 * {@link AccessibilityNodeInfoCompat#getBoundsInParent} to automatically
 * update the following properties:
 * <ul>
 * <li>{@link AccessibilityNodeInfoCompat#setVisibleToUser}
 * <li>{@link AccessibilityNodeInfoCompat#setBoundsInParent}
 * </ul>
 *
 * @param virtualViewId The virtual view id for item for which to construct
 *            a node.
 * @return An {@link AccessibilityNodeInfoCompat} for the specified item.
 */
private AccessibilityNodeInfoCompat createNodeForChild(int virtualViewId) {
    final AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();

    // Ensure the client has good defaults.
    node.setEnabled(true);
    node.setClassName(DEFAULT_CLASS_NAME);

    // Allow the client to populate the node.
    onPopulateNodeForVirtualView(virtualViewId, node);

    // Make sure the developer is following the rules.
    if ((node.getText() == null) && (node.getContentDescription() == null)) {
        throw new RuntimeException("Callbacks must add text or a content description in "
                + "populateNodeForVirtualViewId()");
    }

    node.getBoundsInParent(mTempParentRect);
    if (mTempParentRect.isEmpty()) {
        throw new RuntimeException("Callbacks must set parent bounds in "
                + "populateNodeForVirtualViewId()");
    }

    final int actions = node.getActions();
    if ((actions & AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_ACCESSIBILITY_FOCUS in "
                + "populateNodeForVirtualViewId()");
    }
    if ((actions & AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_CLEAR_ACCESSIBILITY_FOCUS in "
                + "populateNodeForVirtualViewId()");
    }

    // Don't allow the client to override these properties.
    node.setPackageName(mView.getContext().getPackageName());
    node.setSource(mView, virtualViewId);
    node.setParent(mView);

    // Manage internal accessibility focus state.
    if (mFocusedVirtualViewId == virtualViewId) {
        node.setAccessibilityFocused(true);
        node.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    } else {
        node.setAccessibilityFocused(false);
        node.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }

    // Set the visibility based on the parent bound.
    if (intersectVisibleToUser(mTempParentRect)) {
        node.setVisibleToUser(true);
        node.setBoundsInParent(mTempParentRect);
    }

    // Calculate screen-relative bound.
    mView.getLocationOnScreen(mTempGlobalRect);
    final int offsetX = mTempGlobalRect[0];
    final int offsetY = mTempGlobalRect[1];
    mTempScreenRect.set(mTempParentRect);
    mTempScreenRect.offset(offsetX, offsetY);
    node.setBoundsInScreen(mTempScreenRect);

    return node;
}
Example 14
Source File: ExploreByTouchHelper.java    From adt-leanback-support with Apache License 2.0 4 votes vote down vote up 
/**
 * Constructs and returns an {@link AccessibilityNodeInfoCompat} for the
 * specified item. Automatically manages accessibility focus actions.
 * <p>
 * Allows the implementing class to specify most node properties, but
 * overrides the following:
 * <ul>
 * <li>{@link AccessibilityNodeInfoCompat#setPackageName}
 * <li>{@link AccessibilityNodeInfoCompat#setClassName}
 * <li>{@link AccessibilityNodeInfoCompat#setParent(View)}
 * <li>{@link AccessibilityNodeInfoCompat#setSource(View, int)}
 * <li>{@link AccessibilityNodeInfoCompat#setVisibleToUser}
 * <li>{@link AccessibilityNodeInfoCompat#setBoundsInScreen(Rect)}
 * </ul>
 * <p>
 * Uses the bounds of the parent view and the parent-relative bounding
 * rectangle specified by
 * {@link AccessibilityNodeInfoCompat#getBoundsInParent} to automatically
 * update the following properties:
 * <ul>
 * <li>{@link AccessibilityNodeInfoCompat#setVisibleToUser}
 * <li>{@link AccessibilityNodeInfoCompat#setBoundsInParent}
 * </ul>
 *
 * @param virtualViewId The virtual view id for item for which to construct
 *            a node.
 * @return An {@link AccessibilityNodeInfoCompat} for the specified item.
 */
private AccessibilityNodeInfoCompat createNodeForChild(int virtualViewId) {
    final AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();

    // Ensure the client has good defaults.
    node.setEnabled(true);
    node.setClassName(DEFAULT_CLASS_NAME);

    // Allow the client to populate the node.
    onPopulateNodeForVirtualView(virtualViewId, node);

    // Make sure the developer is following the rules.
    if ((node.getText() == null) && (node.getContentDescription() == null)) {
        throw new RuntimeException("Callbacks must add text or a content description in "
                + "populateNodeForVirtualViewId()");
    }

    node.getBoundsInParent(mTempParentRect);
    if (mTempParentRect.isEmpty()) {
        throw new RuntimeException("Callbacks must set parent bounds in "
                + "populateNodeForVirtualViewId()");
    }

    final int actions = node.getActions();
    if ((actions & AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_ACCESSIBILITY_FOCUS in "
                + "populateNodeForVirtualViewId()");
    }
    if ((actions & AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_CLEAR_ACCESSIBILITY_FOCUS in "
                + "populateNodeForVirtualViewId()");
    }

    // Don't allow the client to override these properties.
    node.setPackageName(mView.getContext().getPackageName());
    node.setSource(mView, virtualViewId);
    node.setParent(mView);

    // Manage internal accessibility focus state.
    if (mFocusedVirtualViewId == virtualViewId) {
        node.setAccessibilityFocused(true);
        node.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    } else {
        node.setAccessibilityFocused(false);
        node.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }

    // Set the visibility based on the parent bound.
    if (intersectVisibleToUser(mTempParentRect)) {
        node.setVisibleToUser(true);
        node.setBoundsInParent(mTempParentRect);
    }

    // Calculate screen-relative bound.
    mView.getLocationOnScreen(mTempGlobalRect);
    final int offsetX = mTempGlobalRect[0];
    final int offsetY = mTempGlobalRect[1];
    mTempScreenRect.set(mTempParentRect);
    mTempScreenRect.offset(offsetX, offsetY);
    node.setBoundsInScreen(mTempScreenRect);

    return node;
}
Example 15
Source File: ExploreByTouchHelper.java    From guideshow with MIT License 4 votes vote down vote up 
/**
 * Constructs and returns an {@link AccessibilityNodeInfoCompat} for the
 * specified item. Automatically manages accessibility focus actions.
 * <p>
 * Allows the implementing class to specify most node properties, but
 * overrides the following:
 * <ul>
 * <li>{@link AccessibilityNodeInfoCompat#setPackageName}
 * <li>{@link AccessibilityNodeInfoCompat#setClassName}
 * <li>{@link AccessibilityNodeInfoCompat#setParent(View)}
 * <li>{@link AccessibilityNodeInfoCompat#setSource(View, int)}
 * <li>{@link AccessibilityNodeInfoCompat#setVisibleToUser}
 * <li>{@link AccessibilityNodeInfoCompat#setBoundsInScreen(Rect)}
 * </ul>
 * <p>
 * Uses the bounds of the parent view and the parent-relative bounding
 * rectangle specified by
 * {@link AccessibilityNodeInfoCompat#getBoundsInParent} to automatically
 * update the following properties:
 * <ul>
 * <li>{@link AccessibilityNodeInfoCompat#setVisibleToUser}
 * <li>{@link AccessibilityNodeInfoCompat#setBoundsInParent}
 * </ul>
 *
 * @param virtualViewId The virtual view id for item for which to construct
 *            a node.
 * @return An {@link AccessibilityNodeInfoCompat} for the specified item.
 */
private AccessibilityNodeInfoCompat createNodeForChild(int virtualViewId) {
    final AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();

    // Ensure the client has good defaults.
    node.setEnabled(true);
    node.setClassName(DEFAULT_CLASS_NAME);

    // Allow the client to populate the node.
    onPopulateNodeForVirtualView(virtualViewId, node);

    // Make sure the developer is following the rules.
    if ((node.getText() == null) && (node.getContentDescription() == null)) {
        throw new RuntimeException("Callbacks must add text or a content description in "
                + "populateNodeForVirtualViewId()");
    }

    node.getBoundsInParent(mTempParentRect);
    if (mTempParentRect.isEmpty()) {
        throw new RuntimeException("Callbacks must set parent bounds in "
                + "populateNodeForVirtualViewId()");
    }

    final int actions = node.getActions();
    if ((actions & AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_ACCESSIBILITY_FOCUS in "
                + "populateNodeForVirtualViewId()");
    }
    if ((actions & AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS) != 0) {
        throw new RuntimeException("Callbacks must not add ACTION_CLEAR_ACCESSIBILITY_FOCUS in "
                + "populateNodeForVirtualViewId()");
    }

    // Don't allow the client to override these properties.
    node.setPackageName(mView.getContext().getPackageName());
    node.setSource(mView, virtualViewId);
    node.setParent(mView);

    // Manage internal accessibility focus state.
    if (mFocusedVirtualViewId == virtualViewId) {
        node.setAccessibilityFocused(true);
        node.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    } else {
        node.setAccessibilityFocused(false);
        node.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }

    // Set the visibility based on the parent bound.
    if (intersectVisibleToUser(mTempParentRect)) {
        node.setVisibleToUser(true);
        node.setBoundsInParent(mTempParentRect);
    }

    // Calculate screen-relative bound.
    mView.getLocationOnScreen(mTempGlobalRect);
    final int offsetX = mTempGlobalRect[0];
    final int offsetY = mTempGlobalRect[1];
    mTempScreenRect.set(mTempParentRect);
    mTempScreenRect.offset(offsetX, offsetY);
    node.setBoundsInScreen(mTempScreenRect);

    return node;
}
Example 16
Source File: AccessibilityNodeInfoWrapper.java    From stetho with MIT License 4 votes vote down vote up 
@Nullable
public static String getActions(View view) {
  AccessibilityNodeInfoCompat node = createNodeInfoFromView(view);
  try {
    final StringBuilder actionLabels = new StringBuilder();
    final String separator = ", ";

    for (AccessibilityActionCompat action : node.getActionList()) {
      if (actionLabels.length() > 0) {
        actionLabels.append(separator);
      }
      switch (action.getId()) {
        case AccessibilityNodeInfoCompat.ACTION_FOCUS:
          actionLabels.append("focus");
          break;
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_FOCUS:
          actionLabels.append("clear-focus");
          break;
        case AccessibilityNodeInfoCompat.ACTION_SELECT:
          actionLabels.append("select");
          break;
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_SELECTION:
          actionLabels.append("clear-selection");
          break;
        case AccessibilityNodeInfoCompat.ACTION_CLICK:
          actionLabels.append("click");
          break;
        case AccessibilityNodeInfoCompat.ACTION_LONG_CLICK:
          actionLabels.append("long-click");
          break;
        case AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS:
          actionLabels.append("accessibility-focus");
          break;
        case AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS:
          actionLabels.append("clear-accessibility-focus");
          break;
        case AccessibilityNodeInfoCompat.ACTION_NEXT_AT_MOVEMENT_GRANULARITY:
          actionLabels.append("next-at-movement-granularity");
          break;
        case AccessibilityNodeInfoCompat.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY:
          actionLabels.append("previous-at-movement-granularity");
          break;
        case AccessibilityNodeInfoCompat.ACTION_NEXT_HTML_ELEMENT:
          actionLabels.append("next-html-element");
          break;
        case AccessibilityNodeInfoCompat.ACTION_PREVIOUS_HTML_ELEMENT:
          actionLabels.append("previous-html-element");
          break;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD:
          actionLabels.append("scroll-forward");
          break;
        case AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD:
          actionLabels.append("scroll-backward");
          break;
        case AccessibilityNodeInfoCompat.ACTION_CUT:
          actionLabels.append("cut");
          break;
        case AccessibilityNodeInfoCompat.ACTION_COPY:
          actionLabels.append("copy");
          break;
        case AccessibilityNodeInfoCompat.ACTION_PASTE:
          actionLabels.append("paste");
          break;
        case AccessibilityNodeInfoCompat.ACTION_SET_SELECTION:
          actionLabels.append("set-selection");
          break;
        default:
          CharSequence label = action.getLabel();
          if (label != null) {
            actionLabels.append(label);
          } else {
            actionLabels.append("unknown");
          }
          break;
      }
    }

    return actionLabels.length() > 0 ? actionLabels.toString() : null;
  } finally {
    node.recycle();
  }
}
Example 17
Source File: TreeDebug.java    From brailleback with Apache License 2.0 4 votes vote down vote up 
/**
 * Gets a description of the properties of a node.
 */
public static CharSequence nodeDebugDescription(AccessibilityNodeInfoCompat node) {
    StringBuilder sb = new StringBuilder();
    sb.append(node.getWindowId());

    if (node.getClassName() != null) {
        appendSimpleName(sb, node.getClassName());
    } else {
        sb.append("??");
    }

    if (!node.isVisibleToUser()) {
        sb.append(":invisible");
    }

    if (node.getText() != null) {
        sb.append(":");
        sb.append(node.getText().toString().trim());
    }

    if (node.getContentDescription() != null) {
        sb.append(":");
        sb.append(node.getContentDescription().toString().trim());
    }

    int actions = node.getActions();
    if (actions != 0) {
        sb.append(":");
        if ((actions & AccessibilityNodeInfoCompat.ACTION_FOCUS) != 0) {
            sb.append("F");
        }
        if ((actions & AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS) != 0) {
            sb.append("A");
        }
        if ((actions & AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS) != 0) {
            sb.append("a");
        }
        if ((actions & AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD) != 0) {
            sb.append("-");
        }
        if ((actions & AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD) != 0) {
            sb.append("+");
        }
    }

    if (node.isCheckable()) {
        sb.append(":");
        if (node.isChecked()) {
            sb.append("(X)");
        } else {
            sb.append("( )");
        }
    }

    if (node.isFocusable()) {
        sb.append(":focusable");
    }

    if (node.isFocused()) {
        sb.append(":focused");
    }

    if (node.isSelected()) {
        sb.append(":selected");
    }

    if (node.isClickable()) {
        sb.append(":clickable");
    }

    if (node.isLongClickable()) {
        sb.append(":longClickable");
    }

    if (node.isAccessibilityFocused()) {
        sb.append(":accessibilityFocused");
    }

    if (!node.isEnabled()) {
        sb.append(":disabled");
    }

    return sb.toString();
}