Adding a method for retching the root node in UiTestAutomationBridge (b765db59) · Commits · e / os / android_frameworks_base

core/java/android/accessibilityservice/UiTestAutomationBridge.java

+27 −1

Original line number	Diff line number	Diff line
		@@ -63,6 +63,8 @@ public class UiTestAutomationBridge {

		private AccessibilityEvent mLastEvent;

		private AccessibilityEvent mLastWindowStateChangeEvent;

		private volatile boolean mWaitingForEventDelivery;

		private volatile boolean mUnprocessedEventAvailable;
		@@ -138,12 +140,22 @@ public class UiTestAutomationBridge {
		public void onAccessibilityEvent(AccessibilityEvent event) {
		synchronized (mLock) {
		while (true) {
		mLastEvent = AccessibilityEvent.obtain(event);

		final int eventType = event.getEventType();
		if (eventType == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED
		\|\| eventType == AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED) {
		if (mLastWindowStateChangeEvent != null) {
		mLastWindowStateChangeEvent.recycle();
		}
		mLastWindowStateChangeEvent = mLastEvent;
		}

		if (!mWaitingForEventDelivery) {
		break;
		}
		if (!mUnprocessedEventAvailable) {
		mUnprocessedEventAvailable = true;
		mLastEvent = AccessibilityEvent.obtain(event);
		mLock.notifyAll();
		break;
		}
		@@ -409,6 +421,20 @@ public class UiTestAutomationBridge {
		accessibilityWindowId, accessibilityNodeId, action);
		}

		/**
		* Gets the root {@link AccessibilityNodeInfo} in the active window.
		*
		* @return The root info.
		*/
		public AccessibilityNodeInfo getRootAccessibilityNodeInfoInActiveWindow() {
		synchronized (mLock) {
		if (mLastWindowStateChangeEvent != null) {
		return mLastWindowStateChangeEvent.getSource();
		}
		}
		return null;
		}

		private void ensureValidConnection(int connectionId) {
		if (connectionId == AccessibilityInteractionClient.NO_ID) {
		throw new IllegalStateException("UiAutomationService not connected."

core/tests/coretests/src/android/accessibilityservice/InterrogationActivityTest.java

+31 −0

Original line number	Diff line number	Diff line
		@@ -430,4 +430,35 @@ public class InterrogationActivityTest
		}
		}
		}

		@LargeTest
		public void testGetRootAccessibilityNodeInfoInActiveWindow() throws Exception {
		final long startTimeMillis = SystemClock.uptimeMillis();
		try {
		// get the root via the designated API
		AccessibilityNodeInfo fetched = mUiTestAutomationBridge
		.getRootAccessibilityNodeInfoInActiveWindow();
		assertNotNull(fetched);

		// get the root via traversal
		AccessibilityNodeInfo expected = mUiTestAutomationBridge
		.findAccessibilityNodeInfoByViewIdInActiveWindow(R.id.root);
		while (true) {
		AccessibilityNodeInfo parent = expected.getParent();
		if (parent == null) {
		break;
		}
		expected = parent;
		}
		assertNotNull(expected);

		assertEquals("The node with id \"root\" should be the root.", expected, fetched);
		} finally {
		if (DEBUG) {
		final long elapsedTimeMillis = SystemClock.uptimeMillis() - startTimeMillis;
		Log.i(LOG_TAG, "testGetRootAccessibilityNodeInfoInActiveWindow: "
		+ elapsedTimeMillis + "ms");
		}
		}
		}
		}