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

Introduction

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

Prototype

public static AccessibilityNodeInfoCompat obtain() 

Source Link

Document

Returns a cached instance if such is available otherwise a new one.

Usage

From source file:Main.java

/**
 * Determines if any of the provided {@link View}'s and {@link AccessibilityNodeInfoCompat}'s
 * ancestors can receive accessibility focus
 *
 * @param view The {@link View} to evaluate
 * @param node The {@link AccessibilityNodeInfoCompat} to evaluate
 * @return {@code true} if an ancestor of may receive accessibility focus
 *///w w  w.  j a  va  2  s  .co  m
public static boolean hasFocusableAncestor(@Nullable AccessibilityNodeInfoCompat node, @Nullable View view) {
    if (node == null || view == null) {
        return false;
    }

    ViewParent parentView = ViewCompat.getParentForAccessibility(view);
    if (!(parentView instanceof View)) {
        return false;
    }

    AccessibilityNodeInfoCompat parentNode = AccessibilityNodeInfoCompat.obtain();
    try {
        ViewCompat.onInitializeAccessibilityNodeInfo((View) parentView, parentNode);
        if (parentNode == null) {
            return false;
        }

        if (isAccessibilityFocusable(parentNode, (View) parentView)) {
            return true;
        }

        if (hasFocusableAncestor(parentNode, (View) parentView)) {
            return true;
        }
    } finally {
        parentNode.recycle();
    }
    return false;
}

---

From source file:Main.java

/**
 * Determines if the supplied {@link View} and {@link AccessibilityNodeInfoCompat} has any
 * children which are not independently accessibility focusable and also have a spoken
 * description.//  w w  w . j  a v a2 s . c  o m
 * <p>
 * NOTE: Accessibility services will include these children's descriptions in the closest
 * focusable ancestor.
 *
 * @param view The {@link View} to evaluate
 * @param node The {@link AccessibilityNodeInfoCompat} to evaluate
 * @return {@code true} if it has any non-actionable speaking descendants within its subtree
 */
public static boolean hasNonActionableSpeakingDescendants(@Nullable AccessibilityNodeInfoCompat node,
        @Nullable View view) {

    if (node == null || view == null || !(view instanceof ViewGroup)) {
        return false;
    }

    ViewGroup viewGroup = (ViewGroup) view;
    for (int i = 0, count = viewGroup.getChildCount(); i < count; i++) {
        View childView = viewGroup.getChildAt(i);

        if (childView == null) {
            continue;
        }

        AccessibilityNodeInfoCompat childNode = AccessibilityNodeInfoCompat.obtain();
        try {
            ViewCompat.onInitializeAccessibilityNodeInfo(childView, childNode);

            if (isAccessibilityFocusable(childNode, childView)) {
                continue;
            }

            if (isSpeakingNode(childNode, childView)) {
                return true;
            }
        } finally {
            childNode.recycle();
        }
    }

    return false;
}

---

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

/**
 * Tests the behaviour of the "inactive" mode.
 * This should be the mode used as long as input is not bound.
 *//*w w w .j  av  a  2s  . c  o  m*/
public void testInactiveMode() {
    mIMENavMode.onActivate();
    verify(mSelfBrailleManager).setImeOpen(false);
    mIMENavMode.onCreateIME();
    verify(mNext).onActivate();

    assertEquals(mBrailleTranslator, mIMENavMode.getBrailleTranslator());
    assertNull(mIMENavMode.getDisplayManager());
    assertEquals(mFeedbackManager, mIMENavMode.getFeedbackManager());

    AccessibilityEvent accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onObserveAccessibilityEvent(accessibilityEvent);
        verify(mNext).onObserveAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onAccessibilityEvent(accessibilityEvent);
        verify(mNext).onAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();
    try {
        mIMENavMode.onInvalidateAccessibilityNode(node);
        verify(mNext).onInvalidateAccessibilityNode(node);
    } finally {
        node.recycle();
    }

    DisplayManager.Content content = new DisplayManager.Content("");
    mIMENavMode.onPanLeftOverflow(content);
    verify(mNext).onPanLeftOverflow(content);
    mIMENavMode.onPanRightOverflow(content);
    verify(mNext).onPanRightOverflow(content);

    BrailleInputEvent inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_KEY_ENTER, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).sendAndroidKey(anyInt());

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_NAV_ITEM_NEXT, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).moveCursor(anyInt(), anyInt());

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ACTIVATE_CURRENT, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).sendDefaultAction();

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ROUTE, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).route(anyInt(), any(DisplayManager.Content.class));

    mIMENavMode.onDestroyIME();
    verify(mSelfBrailleManager, never()).setImeOpen(true);
    Mockito.reset(mSelfBrailleManager);

    // Deactivate, but make sure it didn't happen too early.
    verify(mNext, never()).onDeactivate();
    mIMENavMode.onDeactivate();
    verify(mNext).onDeactivate();
    verify(mSelfBrailleManager).setImeOpen(false);
}

---

From source file:com.android.yijiang.kzx.widget.betterpickers.TouchExplorationHelper.java

@Override
public AccessibilityNodeInfoCompat createAccessibilityNodeInfo(int virtualViewId) {
    if (virtualViewId == View.NO_ID) {
        return getNodeForParent();
    }//from  w  ww  .jav a  2s.c  om

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

    final AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();
    populateNodeForItemInternal(item, node);
    return node;
}

---

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

/**
 * Tests the behaviour of the "text only" mode.
 * Used when there's an input connection, but input is not started.
 *///from  w  ww  .  j av  a  2 s  . c  o  m
public void testTextOnlyMode() {
    mIMENavMode.onActivate();
    mIMENavMode.onCreateIME();
    verify(mNext).onActivate();
    mIMENavMode.onBindInput();

    assertEquals(mBrailleTranslator, mIMENavMode.getBrailleTranslator());
    assertNull(mIMENavMode.getDisplayManager());
    assertEquals(mFeedbackManager, mIMENavMode.getFeedbackManager());

    AccessibilityEvent accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onObserveAccessibilityEvent(accessibilityEvent);
        verify(mNext).onObserveAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onAccessibilityEvent(accessibilityEvent);
        verify(mNext).onAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();
    try {
        mIMENavMode.onInvalidateAccessibilityNode(node);
        verify(mNext).onInvalidateAccessibilityNode(node);
    } finally {
        node.recycle();
    }

    DisplayManager.Content content = new DisplayManager.Content("");
    mIMENavMode.onPanLeftOverflow(content);
    verify(mNext).onPanLeftOverflow(content);
    mIMENavMode.onPanRightOverflow(content);
    verify(mNext).onPanRightOverflow(content);

    BrailleInputEvent inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_KEY_ENTER, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).sendAndroidKey(KeyEvent.KEYCODE_ENTER);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_KEY_DEL, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).sendAndroidKey(KeyEvent.KEYCODE_DEL);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_BRAILLE_KEY, 0x1b, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).handleBrailleKey(0x1b);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_NAV_ITEM_NEXT, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).moveCursor(anyInt(), anyInt());

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ACTIVATE_CURRENT, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).sendDefaultAction();

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ROUTE, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).route(anyInt(), any(DisplayManager.Content.class));

    mIMENavMode.onUnbindInput();
    mIMENavMode.onDestroyIME();
    verify(mSelfBrailleManager, atLeastOnce()).setImeOpen(false);
    verify(mSelfBrailleManager, never()).setImeOpen(true);

    // Deactivate, but make sure it didn't happen too early.
    verify(mNext, never()).onDeactivate();
    mIMENavMode.onDeactivate();
    verify(mNext).onDeactivate();
}

---

From source file:com.facebook.stetho.inspector.elements.android.AccessibilityNodeInfoWrapper.java

@Nullable
public static CharSequence getDescription(AccessibilityNodeInfoCompat node, View view) {
    CharSequence contentDescription = node.getContentDescription();
    CharSequence nodeText = node.getText();

    boolean hasNodeText = !TextUtils.isEmpty(nodeText);
    boolean isEditText = view instanceof EditText;

    // EditText's prioritize their own text content over a contentDescription
    if (!TextUtils.isEmpty(contentDescription) && (!isEditText || !hasNodeText)) {
        return contentDescription;
    }// ww w  .  j a v a 2s . com

    if (hasNodeText) {
        return nodeText;
    }

    // If there are child views and no contentDescription the text of all non-focusable children,
    // comma separated, becomes the description.
    if (view instanceof ViewGroup) {
        final StringBuilder concatChildDescription = new StringBuilder();
        final String separator = ", ";
        ViewGroup viewGroup = (ViewGroup) view;

        for (int i = 0, count = viewGroup.getChildCount(); i < count; i++) {
            final View child = viewGroup.getChildAt(i);

            AccessibilityNodeInfoCompat childNodeInfo = AccessibilityNodeInfoCompat.obtain();
            ViewCompat.onInitializeAccessibilityNodeInfo(child, childNodeInfo);

            CharSequence childNodeDescription = null;
            if (AccessibilityUtil.isSpeakingNode(childNodeInfo, child)
                    && !AccessibilityUtil.isAccessibilityFocusable(childNodeInfo, child)) {
                childNodeDescription = getDescription(childNodeInfo, child);
            }

            if (!TextUtils.isEmpty(childNodeDescription)) {
                if (concatChildDescription.length() > 0) {
                    concatChildDescription.append(separator);
                }
                concatChildDescription.append(childNodeDescription);
            }
            childNodeInfo.recycle();
        }

        return concatChildDescription.length() > 0 ? concatChildDescription.toString() : null;
    }

    return null;
}

---

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

/**
 * Tests the behaviour of the "text only" mode.
 * Also used when input is started, but the field is not handled
 * specially (as with, for example, a focused EditText).
 *///from   w  w  w.  j a v a 2 s  . c  o  m
public void testTextOnlyModeInputStarted() {
    EditorInfo ei = new EditorInfo();

    // Mock out the AccessibilityNodeInfo.
    // The class actually uses the compat variant, but on recent API
    // releases (including the test environment) they should call through.
    AccessibilityNodeInfo rawNode = mock(AccessibilityNodeInfo.class);
    when(mAccessibilityService.getRootInActiveWindow()).thenReturn(rawNode);
    when(rawNode.findFocus(AccessibilityNodeInfo.FOCUS_INPUT)).thenReturn(rawNode);
    when(rawNode.findFocus(AccessibilityNodeInfo.FOCUS_ACCESSIBILITY)).thenReturn(rawNode);
    when(rawNode.getClassName()).thenReturn("com.example.UnknownWidget");

    mIMENavMode.onActivate();
    mIMENavMode.onCreateIME();
    verify(mNext).onActivate();
    mIMENavMode.onBindInput();
    mIMENavMode.onStartInput(ei, false /* restarting */);
    Mockito.reset(mSelfBrailleManager);
    mIMENavMode.onStartInputView(ei, false /* restarting */);
    verify(mSelfBrailleManager).setImeOpen(true);

    assertEquals(mBrailleTranslator, mIMENavMode.getBrailleTranslator());
    assertNull(mIMENavMode.getDisplayManager());
    assertEquals(mFeedbackManager, mIMENavMode.getFeedbackManager());

    AccessibilityEvent accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onObserveAccessibilityEvent(accessibilityEvent);
        verify(mNext).onObserveAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onAccessibilityEvent(accessibilityEvent);
        verify(mNext).onAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();
    try {
        mIMENavMode.onInvalidateAccessibilityNode(node);
        verify(mNext).onInvalidateAccessibilityNode(node);
    } finally {
        node.recycle();
    }

    DisplayManager.Content content = new DisplayManager.Content("");
    mIMENavMode.onPanLeftOverflow(content);
    verify(mNext).onPanLeftOverflow(content);
    mIMENavMode.onPanRightOverflow(content);
    verify(mNext).onPanRightOverflow(content);

    BrailleInputEvent inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_KEY_ENTER, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).sendAndroidKey(KeyEvent.KEYCODE_ENTER);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_KEY_DEL, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).sendAndroidKey(KeyEvent.KEYCODE_DEL);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_BRAILLE_KEY, 0x1b, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).handleBrailleKey(0x1b);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_NAV_ITEM_NEXT, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).moveCursor(anyInt(), anyInt());

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ACTIVATE_CURRENT, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).sendDefaultAction();

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ROUTE, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).route(anyInt(), any(DisplayManager.Content.class));

    verify(mSelfBrailleManager, never()).setImeOpen(false);
    Mockito.reset(mSelfBrailleManager);

    mIMENavMode.onFinishInputView(true);
    mIMENavMode.onFinishInput();
    mIMENavMode.onUnbindInput();
    mIMENavMode.onDestroyIME();

    verify(mSelfBrailleManager, never()).setImeOpen(true);
    verify(mSelfBrailleManager, atLeastOnce()).setImeOpen(false);

    // Deactivate, but make sure it didn't happen too early.
    verify(mNext, never()).onDeactivate();
    mIMENavMode.onDeactivate();
    verify(mNext).onDeactivate();
}

---

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

/**
 * Constructs and returns an {@link AccessibilityNodeInfoCompat} for the
 * specified item. Automatically manages accessibility focus actions.
 * <p>/*from w w w .  jav a2  s .  co m*/
 * 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(Rect)}
 * </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 getNodeForVirtualViewId(int virtualViewId) {
    final AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();

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

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

    if (TextUtils.isEmpty(node.getText()) && TextUtils.isEmpty(node.getContentDescription())) {
        throw new RuntimeException(
                "You must add text or a content description in populateNodeForVirtualViewId()");
    }

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

    // 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);
    }

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

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

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

    return node;
}

---

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

/**
 * Tests that text and navigation mode is not triggered when the input view
 * is not shown, even if input is started. This distinction is needed to
 * handle Chrome correctly./*from www .j  av  a 2 s . co  m*/
 */
public void testTextAndNavigationModeRequiresStartInputView() {
    EditorInfo ei = new EditorInfo();

    // Mock out the AccessibilityNodeInfo.
    // The class actually uses the compat variant, but on recent API
    // releases (including the test environment) they should call through.
    AccessibilityNodeInfo rawNode = mock(AccessibilityNodeInfo.class);
    when(mAccessibilityService.getRootInActiveWindow()).thenReturn(rawNode);
    when(rawNode.findFocus(AccessibilityNodeInfo.FOCUS_INPUT)).thenReturn(rawNode);
    when(rawNode.findFocus(AccessibilityNodeInfo.FOCUS_ACCESSIBILITY)).thenReturn(rawNode);
    when(rawNode.getClassName()).thenReturn("com.example.ExampleWebView");
    when(mSelfBrailleManager.hasContentForNode(compatWrapperForNode(rawNode))).thenReturn(true);

    mIMENavMode.onActivate();
    mIMENavMode.onCreateIME();
    verify(mNext).onActivate();
    mIMENavMode.onBindInput();
    mIMENavMode.onStartInput(ei, false /* restarting */);

    assertEquals(mBrailleTranslator, mIMENavMode.getBrailleTranslator());
    assertNull(mIMENavMode.getDisplayManager());
    assertEquals(mFeedbackManager, mIMENavMode.getFeedbackManager());
    verify(mSelfBrailleManager, atLeastOnce()).setImeOpen(false);

    AccessibilityEvent accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onObserveAccessibilityEvent(accessibilityEvent);
        verify(mNext).onObserveAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onAccessibilityEvent(accessibilityEvent);
        verify(mNext).onAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();
    try {
        mIMENavMode.onInvalidateAccessibilityNode(node);
        verify(mNext).onInvalidateAccessibilityNode(node);
    } finally {
        node.recycle();
    }

    DisplayManager.Content content = new DisplayManager.Content("");
    mIMENavMode.onPanLeftOverflow(content);
    verify(mNext).onPanLeftOverflow(content);
    mIMENavMode.onPanRightOverflow(content);
    verify(mNext).onPanRightOverflow(content);

    BrailleInputEvent inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_KEY_ENTER, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).sendAndroidKey(KeyEvent.KEYCODE_ENTER);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_KEY_DEL, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).sendAndroidKey(KeyEvent.KEYCODE_DEL);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_BRAILLE_KEY, 0x1b, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).handleBrailleKey(0x1b);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_NAV_ITEM_NEXT, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).moveCursor(anyInt(), anyInt());

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ACTIVATE_CURRENT, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).sendDefaultAction();

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ROUTE, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).route(anyInt(), any(DisplayManager.Content.class));

    mIMENavMode.onFinishInput();
    mIMENavMode.onUnbindInput();
    mIMENavMode.onDestroyIME();

    verify(mSelfBrailleManager, never()).setImeOpen(true);

    // Deactivate, but make sure it didn't happen too early.
    verify(mNext, never()).onDeactivate();
    mIMENavMode.onDeactivate();
    verify(mNext).onDeactivate();
}

---

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

/**
 * Tests the behaviour of the "text and navigation" mode.
 *//* w w w  .  j  a v  a2 s. c o  m*/
public void testTextAndNavigationMode() {
    EditorInfo ei = new EditorInfo();

    // Mock out the AccessibilityNodeInfo.
    // The class actually uses the compat variant, but on recent API
    // releases (including the test environment) they should call through.
    AccessibilityNodeInfo rawNode = mock(AccessibilityNodeInfo.class);
    when(mAccessibilityService.getRootInActiveWindow()).thenReturn(rawNode);
    when(rawNode.findFocus(AccessibilityNodeInfo.FOCUS_INPUT)).thenReturn(rawNode);
    when(rawNode.findFocus(AccessibilityNodeInfo.FOCUS_ACCESSIBILITY)).thenReturn(rawNode);
    when(rawNode.getClassName()).thenReturn("com.example.ExampleWebView");
    when(mSelfBrailleManager.hasContentForNode(compatWrapperForNode(rawNode))).thenReturn(true);

    mIMENavMode.onActivate();
    mIMENavMode.onCreateIME();
    verify(mNext).onActivate();
    mIMENavMode.onBindInput();
    mIMENavMode.onStartInput(ei, false /* restarting */);
    verify(mSelfBrailleManager, atLeastOnce()).setImeOpen(false);
    verify(mSelfBrailleManager, never()).setImeOpen(true);
    mIMENavMode.onStartInputView(ei, false /* restarting */);

    assertEquals(mBrailleTranslator, mIMENavMode.getBrailleTranslator());
    assertNull(mIMENavMode.getDisplayManager());
    assertEquals(mFeedbackManager, mIMENavMode.getFeedbackManager());
    verify(mSelfBrailleManager, atLeastOnce()).setImeOpen(true);

    AccessibilityEvent accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onObserveAccessibilityEvent(accessibilityEvent);
        verify(mNext).onObserveAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    accessibilityEvent = AccessibilityEvent.obtain();
    try {
        mIMENavMode.onAccessibilityEvent(accessibilityEvent);
        verify(mNext).onAccessibilityEvent(accessibilityEvent);
    } finally {
        accessibilityEvent.recycle();
    }

    AccessibilityNodeInfoCompat node = AccessibilityNodeInfoCompat.obtain();
    try {
        mIMENavMode.onInvalidateAccessibilityNode(node);
        verify(mNext).onInvalidateAccessibilityNode(node);
    } finally {
        node.recycle();
    }

    DisplayManager.Content content = new DisplayManager.Content("");
    mIMENavMode.onPanLeftOverflow(content);
    verify(mNext).onPanLeftOverflow(content);
    mIMENavMode.onPanRightOverflow(content);
    verify(mNext).onPanRightOverflow(content);

    BrailleInputEvent inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_KEY_ENTER, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).sendAndroidKey(KeyEvent.KEYCODE_ENTER);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_KEY_DEL, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).sendAndroidKey(KeyEvent.KEYCODE_DEL);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_BRAILLE_KEY, 0x1b, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext, never()).onMappedInputEvent(inputEvent, content);
    verify(mIME).handleBrailleKey(0x1b);

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ACTIVATE_CURRENT, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).sendDefaultAction();

    inputEvent = new BrailleInputEvent(BrailleInputEvent.CMD_ROUTE, 0, 0);
    mIMENavMode.onMappedInputEvent(inputEvent, content);
    verify(mNext).onMappedInputEvent(inputEvent, content);
    verify(mIME, never()).route(anyInt(), any(DisplayManager.Content.class));

    // Nothing above this point should have triggered an action on the
    // accessibility node.
    verify(rawNode, never()).performAction(anyInt(), any(Bundle.class));
    verifyEventCausesNavigation(BrailleInputEvent.CMD_NAV_ITEM_NEXT, ACTION_NEXT_AT_MOVEMENT_GRANULARITY,
            MOVEMENT_GRANULARITY_CHARACTER, rawNode, content);
    verifyEventCausesNavigation(BrailleInputEvent.CMD_NAV_ITEM_PREVIOUS,
            ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY, MOVEMENT_GRANULARITY_CHARACTER, rawNode, content);
    verifyEventCausesNavigation(BrailleInputEvent.CMD_NAV_LINE_NEXT, ACTION_NEXT_AT_MOVEMENT_GRANULARITY,
            MOVEMENT_GRANULARITY_LINE, rawNode, content);
    verifyEventCausesNavigation(BrailleInputEvent.CMD_NAV_LINE_PREVIOUS,
            ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY, MOVEMENT_GRANULARITY_LINE, rawNode, content);

    Mockito.reset(mSelfBrailleManager);

    mIMENavMode.onFinishInputView(true);
    verify(mSelfBrailleManager).setImeOpen(false);
    mIMENavMode.onFinishInput();
    mIMENavMode.onUnbindInput();
    mIMENavMode.onDestroyIME();
    verify(mSelfBrailleManager, never()).setImeOpen(true);

    // Deactivate, but make sure it didn't happen too early.
    verify(mNext, never()).onDeactivate();
    mIMENavMode.onDeactivate();
    verify(mNext).onDeactivate();
}

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