Examples with AccessibilityNodeInfo android.view.accessibility.AccessibilityNodeInfo used on opensource projects

Example 96 with AccessibilityNodeInfo

use of android.view.accessibility.AccessibilityNodeInfo in project android_frameworks_base by DirtyUnicorns.

the class View method createAccessibilityNodeInfoInternal.

/**
     * @see #createAccessibilityNodeInfo()
     *
     * @hide
     */
public AccessibilityNodeInfo createAccessibilityNodeInfoInternal() {
    AccessibilityNodeProvider provider = getAccessibilityNodeProvider();
    if (provider != null) {
        return provider.createAccessibilityNodeInfo(AccessibilityNodeProvider.HOST_VIEW_ID);
    } else {
        AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain(this);
        onInitializeAccessibilityNodeInfo(info);
        return info;
    }
}

Example 97 with AccessibilityNodeInfo

use of android.view.accessibility.AccessibilityNodeInfo in project android_frameworks_base by DirtyUnicorns.

the class AccessibilityInteractionController method focusSearchUiThread.

private void focusSearchUiThread(Message message) {
    final int flags = message.arg1;
    final int accessibilityViewId = message.arg2;
    SomeArgs args = (SomeArgs) message.obj;
    final int direction = args.argi2;
    final int interactionId = args.argi3;
    final IAccessibilityInteractionConnectionCallback callback = (IAccessibilityInteractionConnectionCallback) args.arg1;
    final MagnificationSpec spec = (MagnificationSpec) args.arg2;
    final Region interactiveRegion = (Region) args.arg3;
    args.recycle();
    AccessibilityNodeInfo next = null;
    try {
        if (mViewRootImpl.mView == null || mViewRootImpl.mAttachInfo == null) {
            return;
        }
        mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = flags;
        View root = null;
        if (accessibilityViewId != AccessibilityNodeInfo.UNDEFINED_ITEM_ID) {
            root = findViewByAccessibilityId(accessibilityViewId);
        } else {
            root = mViewRootImpl.mView;
        }
        if (root != null && isShown(root)) {
            View nextView = root.focusSearch(direction);
            if (nextView != null) {
                next = nextView.createAccessibilityNodeInfo();
            }
        }
    } finally {
        try {
            mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = 0;
            applyAppScaleAndMagnificationSpecIfNeeded(next, spec);
            // system process and obtained from a pool when read from parcel.
            if (spec != null && android.os.Process.myPid() != Binder.getCallingPid()) {
                spec.recycle();
            }
            adjustIsVisibleToUserIfNeeded(next, interactiveRegion);
            callback.setFindAccessibilityNodeInfoResult(next, interactionId);
        } catch (RemoteException re) {
        /* ignore - the other side will time out */
        }
        // the system process and instantiated  when read from parcel.
        if (interactiveRegion != null && android.os.Process.myPid() == Binder.getCallingPid()) {
            interactiveRegion.recycle();
        }
    }
}

Example 98 with AccessibilityNodeInfo

use of android.view.accessibility.AccessibilityNodeInfo in project android_frameworks_base by DirtyUnicorns.

the class View method onProvideVirtualStructure.

/**
     * Called when assist structure is being retrieved from a view as part of
     * {@link android.app.Activity#onProvideAssistData Activity.onProvideAssistData} to
     * generate additional virtual structure under this view.  The defaullt implementation
     * uses {@link #getAccessibilityNodeProvider()} to try to generate this from the
     * view's virtual accessibility nodes, if any.  You can override this for a more
     * optimal implementation providing this data.
     */
public void onProvideVirtualStructure(ViewStructure structure) {
    AccessibilityNodeProvider provider = getAccessibilityNodeProvider();
    if (provider != null) {
        AccessibilityNodeInfo info = createAccessibilityNodeInfo();
        structure.setChildCount(1);
        ViewStructure root = structure.newChild(0);
        populateVirtualStructure(root, provider, info);
        info.recycle();
    }
}

Example 99 with AccessibilityNodeInfo

use of android.view.accessibility.AccessibilityNodeInfo in project android_frameworks_base by AOSPA.

the class QueryController method findNodePatternRecursive.

private AccessibilityNodeInfo findNodePatternRecursive(UiSelector subSelector, AccessibilityNodeInfo fromNode, int index, UiSelector originalPattern) {
    if (subSelector.isMatchFor(fromNode, index)) {
        if (subSelector.isLeaf()) {
            if (mPatternIndexer == 0) {
                if (DEBUG)
                    Log.d(LOG_TAG, formatLog(String.format("%s", subSelector.dumpToString(false))));
                return fromNode;
            } else {
                if (DEBUG)
                    Log.d(LOG_TAG, formatLog(String.format("%s", subSelector.dumpToString(false))));
                //count the pattern matched
                mPatternCounter++;
                //decrement until zero for the instance requested
                mPatternIndexer--;
                // At a leaf selector within a group and still not instance matched
                // then reset the  selector to continue search from current position
                // in the accessibility tree for the next pattern match up until the
                // pattern index hits 0.
                subSelector = originalPattern;
                // starting over with next pattern search so reset to parent level
                mLogIndent = mLogParentIndent;
            }
        } else {
            if (DEBUG)
                Log.d(LOG_TAG, formatLog(String.format("%s", subSelector.dumpToString(false))));
            if (subSelector.hasChildSelector()) {
                // next selector
                mLogIndent++;
                subSelector = subSelector.getChildSelector();
                if (subSelector == null) {
                    Log.e(LOG_TAG, "Error: A child selector without content");
                    return null;
                }
            } else if (subSelector.hasParentSelector()) {
                // next selector
                mLogIndent++;
                subSelector = subSelector.getParentSelector();
                if (subSelector == null) {
                    Log.e(LOG_TAG, "Error: A parent selector without content");
                    return null;
                }
                fromNode = fromNode.getParent();
                if (fromNode == null)
                    return null;
            }
        }
    }
    int childCount = fromNode.getChildCount();
    boolean hasNullChild = false;
    for (int i = 0; i < childCount; i++) {
        AccessibilityNodeInfo childNode = fromNode.getChild(i);
        if (childNode == null) {
            Log.w(LOG_TAG, String.format("AccessibilityNodeInfo returned a null child (%d of %d)", i, childCount));
            if (!hasNullChild) {
                Log.w(LOG_TAG, String.format("parent = %s", fromNode.toString()));
            }
            hasNullChild = true;
            continue;
        }
        if (!childNode.isVisibleToUser()) {
            if (DEBUG)
                Log.d(LOG_TAG, String.format("Skipping invisible child: %s", childNode.toString()));
            continue;
        }
        AccessibilityNodeInfo retNode = findNodePatternRecursive(subSelector, childNode, i, originalPattern);
        if (retNode != null) {
            return retNode;
        }
    }
    return null;
}

Example 100 with AccessibilityNodeInfo

use of android.view.accessibility.AccessibilityNodeInfo in project android_frameworks_base by AOSPA.

the class QueryController method findAccessibilityNodeInfo.

protected AccessibilityNodeInfo findAccessibilityNodeInfo(UiSelector selector, boolean isCounting) {
    mUiAutomatorBridge.waitForIdle();
    initializeNewSearch();
    if (DEBUG)
        Log.d(LOG_TAG, "Searching: " + selector);
    synchronized (mLock) {
        AccessibilityNodeInfo rootNode = getRootNode();
        if (rootNode == null) {
            Log.e(LOG_TAG, "Cannot proceed when root node is null. Aborted search");
            return null;
        }
        // Copy so that we don't modify the original's sub selectors
        UiSelector uiSelector = new UiSelector(selector);
        return translateCompoundSelector(uiSelector, rootNode, isCounting);
    }
}