Example usage for android.support.v4.view.accessibility AccessibilityNodeInfoCompat obtain

List of usage examples for android.support.v4.view.accessibility AccessibilityNodeInfoCompat obtain

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Introduction

In this page you can find the example usage for android.support.v4.view.accessibility AccessibilityNodeInfoCompat obtain.

Prototype

public static AccessibilityNodeInfoCompat obtain(AccessibilityNodeInfoCompat info)

Source Link

Document

Returns a cached instance if such is available or a new one is create.

Usage

From source file:Main.java

/**
 * Returns the root node of the tree containing {@code node}.
 *//*from  w  w  w  .  jav  a  2 s  .c  om*/
public static AccessibilityNodeInfoCompat getRoot(AccessibilityNodeInfoCompat node) {
    if (node == null) {
        return null;
    }

    AccessibilityNodeInfoCompat current = null;
    AccessibilityNodeInfoCompat parent = AccessibilityNodeInfoCompat.obtain(node);

    do {
        current = parent;
        parent = current.getParent();
    } while (parent != null);

    return current;
}

From source file:com.googlecode.eyesfree.utils.TreeDebug.java

/**
 * Logs the tree using the input node as the root.
 *///w  w w  .  ja  v  a 2 s  . co m
public static void logNodeTree(AccessibilityNodeInfoCompat node) {
    if (node == null) {
        return;
    }

    HashSet<AccessibilityNodeInfoCompat> seen = new HashSet<AccessibilityNodeInfoCompat>();
    logNodeTree(AccessibilityNodeInfoCompat.obtain(node), "", seen);
    for (AccessibilityNodeInfoCompat n : seen) {
        n.recycle();
    }
}

From source file:com.android.utils.TreeDebug.java

/**
 * Logs the tree using the input node as the root.
 *//* ww w.  j a va  2s.c  o m*/
public static void logNodeTree(AccessibilityNodeInfoCompat node) {
    if (node == null) {
        return;
    }

    HashSet<AccessibilityNodeInfoCompat> seen = new HashSet<>();
    logNodeTree(AccessibilityNodeInfoCompat.obtain(node), "", seen);
    for (AccessibilityNodeInfoCompat n : seen) {
        n.recycle();
    }
}

From source file:com.google.android.marvin.mytalkback.formatter.ProgressBarFormatter.java

public static void updateRecentlyExplored(AccessibilityNodeInfoCompat node) {
    if (sRecentlyExplored != null) {
        sRecentlyExplored.recycle();/*from  ww w. j  a v  a  2  s.com*/
    }

    if (node != null) {
        sRecentlyExplored = AccessibilityNodeInfoCompat.obtain(node);
    } else {
        sRecentlyExplored = null;
    }
}

From source file:com.googlecode.eyesfree.brailleback.DisplaySpans.java

/**
 * Marks the whole of {@code spannable} as containing the content
 * coming from {@code node}.  A copy of {@code node} is stored.
 *
 * @see #recycleSpans//from  www  . j  a  v a  2s .  c  o m
 */
public static void setAccessibilityNode(Spannable spannable, AccessibilityNodeInfoCompat node) {
    spannable.setSpan(AccessibilityNodeInfoCompat.obtain(node), 0, spannable.length(),
            Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}

From source file:com.android.screenspeak.SavedNode.java

public void saveNodeState(AccessibilityNodeInfoCompat node, CursorGranularity granularity) {
    if (node == null) {
        return;//from www . j  a v  a 2 s .c o  m
    }
    mNode = AccessibilityNodeInfoCompat.obtain(node);
    mGranularity = granularity;
    mSelection = findSelectionForNode(node);
}

From source file:com.android.utils.traversal.SimpleTraversalStrategy.java

@Override
public AccessibilityNodeInfoCompat focusInitial(AccessibilityNodeInfoCompat root,
        @SearchDirection int direction) {
    if (root == null) {
        return null;
    }/*  w  ww .  j a v  a  2 s .c  om*/

    if (direction == SEARCH_FOCUS_FORWARD) {
        return AccessibilityNodeInfoCompat.obtain(root);
    } else if (direction == SEARCH_FOCUS_BACKWARD) {
        AccessibilityNodeInfoRef ref = AccessibilityNodeInfoRef.obtain(root);
        if (ref.lastDescendant()) {
            return ref.get();
        } else {
            ref.recycle();
            return null;
        }
    }

    return null;
}

From source file:com.android.utils.traversal.OrderedTraversalStrategy.java

public OrderedTraversalStrategy(AccessibilityNodeInfoCompat rootNode) {
    if (rootNode != null) {
        mRootNode = AccessibilityNodeInfoCompat.obtain(rootNode);
    }//  www.  j  a v a  2s . co m

    mSpeakingNodesCache = new HashMap<>();
    mController = new OrderedTraversalController();
    mController.setSpeakNodesCache(mSpeakingNodesCache);
    mController.initOrder(mRootNode, false);
}

From source file:com.google.android.marvin.mytalkback.menurules.RuleEditText.java

@Override
public List<RadialMenuItem> getMenuItemsForNode(TalkBackService service, AccessibilityNodeInfoCompat node) {
    final AccessibilityNodeInfoCompat nodeCopy = AccessibilityNodeInfoCompat.obtain(node);
    final CursorController cursorController = service.getCursorController();
    final List<RadialMenuItem> items = new LinkedList<RadialMenuItem>();

    // This action has inconsistencies with EditText nodes that have
    // contentDescription attributes.
    if (TextUtils.isEmpty(nodeCopy.getContentDescription())) {
        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy,
                AccessibilityNodeInfoCompat.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY)) {
            final RadialMenuItem moveToBeginning = new RadialMenuItem(service, RadialMenu.NONE,
                    R.id.edittext_breakout_move_to_beginning, RadialMenu.NONE,
                    service.getString(R.string.title_edittext_breakout_move_to_beginning));
            items.add(moveToBeginning);// ww  w  .j  av a 2s .  co m
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy,
                AccessibilityNodeInfoCompat.ACTION_NEXT_AT_MOVEMENT_GRANULARITY)) {
            final RadialMenuItem moveToEnd = new RadialMenuItem(service, RadialMenu.NONE,
                    R.id.edittext_breakout_move_to_end, RadialMenu.NONE,
                    service.getString(R.string.title_edittext_breakout_move_to_end));
            items.add(moveToEnd);
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy, AccessibilityNodeInfoCompat.ACTION_CUT)) {
            final RadialMenuItem cut = new RadialMenuItem(service, RadialMenu.NONE, R.id.edittext_breakout_cut,
                    RadialMenu.NONE, service.getString(R.string.title_edittext_breakout_cut));
            items.add(cut);
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy, AccessibilityNodeInfoCompat.ACTION_COPY)) {
            final RadialMenuItem copy = new RadialMenuItem(service, RadialMenu.NONE,
                    R.id.edittext_breakout_copy, RadialMenu.NONE,
                    service.getString(R.string.title_edittext_breakout_copy));
            items.add(copy);
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy, AccessibilityNodeInfoCompat.ACTION_PASTE)) {
            final RadialMenuItem paste = new RadialMenuItem(service, RadialMenu.NONE,
                    R.id.edittext_breakout_paste, RadialMenu.NONE,
                    service.getString(R.string.title_edittext_breakout_paste));
            items.add(paste);
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy,
                AccessibilityNodeInfoCompat.ACTION_SET_SELECTION)) {
            final RadialMenuItem select = new RadialMenuItem(service, RadialMenu.NONE,
                    R.id.edittext_breakout_select_all, RadialMenu.NONE,
                    service.getString(R.string.title_edittext_breakout_select_all));
            items.add(select);
        }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
            // Text selection APIs are available in API 18+
            // TODO(caseyburkhardt) Use a checkable menu item once supported.
            final RadialMenuItem selectionMode;
            if (cursorController.isSelectionModeActive()) {
                selectionMode = new RadialMenuItem(service, RadialMenu.NONE,
                        R.id.edittext_breakout_end_selection_mode, RadialMenu.NONE,
                        service.getString(R.string.title_edittext_breakout_end_selection_mode));
            } else {
                selectionMode = new RadialMenuItem(service, RadialMenu.NONE,
                        R.id.edittext_breakout_start_selection_mode, RadialMenu.NONE,
                        service.getString(R.string.title_edittext_breakout_start_selection_mode));
            }

            items.add(selectionMode);
        }
    }

    for (MenuItem item : items) {
        item.setOnMenuItemClickListener(new EditTextMenuItemClickListener(service, nodeCopy));
    }

    return items;
}

From source file:com.android.screenspeak.menurules.RuleEditText.java

@Override
public List<ContextMenuItem> getMenuItemsForNode(ScreenSpeakService service,
        ContextMenuItemBuilder menuItemBuilder, AccessibilityNodeInfoCompat node) {
    final AccessibilityNodeInfoCompat nodeCopy = AccessibilityNodeInfoCompat.obtain(node);
    final CursorController cursorController = service.getCursorController();
    final List<ContextMenuItem> items = new LinkedList<>();

    // This action has inconsistencies with EditText nodes that have
    // contentDescription attributes.
    if (TextUtils.isEmpty(nodeCopy.getContentDescription())) {
        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy,
                AccessibilityNodeInfoCompat.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY)) {
            ContextMenuItem moveToBeginning = menuItemBuilder.createMenuItem(service, Menu.NONE,
                    R.id.edittext_breakout_move_to_beginning, Menu.NONE,
                    service.getString(R.string.title_edittext_breakout_move_to_beginning));
            items.add(moveToBeginning);//from  ww w .j  a v  a 2  s.  c om
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy,
                AccessibilityNodeInfoCompat.ACTION_NEXT_AT_MOVEMENT_GRANULARITY)) {
            ContextMenuItem moveToEnd = menuItemBuilder.createMenuItem(service, Menu.NONE,
                    R.id.edittext_breakout_move_to_end, Menu.NONE,
                    service.getString(R.string.title_edittext_breakout_move_to_end));
            items.add(moveToEnd);
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy, AccessibilityNodeInfoCompat.ACTION_CUT)) {
            ContextMenuItem cut = menuItemBuilder.createMenuItem(service, Menu.NONE, R.id.edittext_breakout_cut,
                    Menu.NONE, service.getString(android.R.string.cut));
            items.add(cut);
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy, AccessibilityNodeInfoCompat.ACTION_COPY)) {
            ContextMenuItem copy = menuItemBuilder.createMenuItem(service, Menu.NONE,
                    R.id.edittext_breakout_copy, Menu.NONE, service.getString(android.R.string.copy));
            items.add(copy);
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy, AccessibilityNodeInfoCompat.ACTION_PASTE)) {
            ContextMenuItem paste = menuItemBuilder.createMenuItem(service, Menu.NONE,
                    R.id.edittext_breakout_paste, Menu.NONE, service.getString(android.R.string.paste));
            items.add(paste);
        }

        if (AccessibilityNodeInfoUtils.supportsAnyAction(nodeCopy,
                AccessibilityNodeInfoCompat.ACTION_SET_SELECTION)) {
            ContextMenuItem select = menuItemBuilder.createMenuItem(service, Menu.NONE,
                    R.id.edittext_breakout_select_all, Menu.NONE,
                    service.getString(android.R.string.selectAll));
            items.add(select);
        }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
            // Text selection APIs are available in API 18+
            // TODO(CB) Use a checkable menu item once supported.
            final ContextMenuItem selectionMode;
            if (cursorController.isSelectionModeActive()) {
                selectionMode = menuItemBuilder.createMenuItem(service, Menu.NONE,
                        R.id.edittext_breakout_end_selection_mode, Menu.NONE,
                        service.getString(R.string.title_edittext_breakout_end_selection_mode));
            } else {
                selectionMode = menuItemBuilder.createMenuItem(service, Menu.NONE,
                        R.id.edittext_breakout_start_selection_mode, Menu.NONE,
                        service.getString(R.string.title_edittext_breakout_start_selection_mode));
            }

            items.add(selectionMode);
        }
    }

    for (ContextMenuItem item : items) {
        item.setOnMenuItemClickListener(new EditTextMenuItemClickListener(service, nodeCopy));
    }

    return items;
}