src/content/public/android/java/src/org/chromium/content/browser/accessibility/JellyBeanBrowserAccessibilityManager.java

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 package org.chromium.content.browser.accessibility;
   6
   7 import android.os.Bundle;
   8 import android.view.accessibility.AccessibilityEvent;
   9 import android.view.accessibility.AccessibilityNodeInfo;
  10 import android.view.accessibility.AccessibilityNodeProvider;
  11
  12 import org.chromium.base.JNINamespace;
  13 import org.chromium.content.browser.ContentViewCore;
  14
  15 import java.util.List;
  16
  17 /**
  18  * Subclass of BrowserAccessibilityManager for JellyBean that creates an
  19  * AccessibilityNodeProvider and delegates its implementation to this object.
  20  */
  21 @JNINamespace("content")
  22 public class JellyBeanBrowserAccessibilityManager extends BrowserAccessibilityManager {
  23     private AccessibilityNodeProvider mAccessibilityNodeProvider;
  24
  25     JellyBeanBrowserAccessibilityManager(int nativeBrowserAccessibilityManagerAndroid,
  26             ContentViewCore contentViewCore) {
  27         super(nativeBrowserAccessibilityManagerAndroid, contentViewCore);
  28
  29         final BrowserAccessibilityManager delegate = this;
  30         mAccessibilityNodeProvider = new AccessibilityNodeProvider() {
  31             @Override
  32             public AccessibilityNodeInfo createAccessibilityNodeInfo(int virtualViewId) {
  33                 return delegate.createAccessibilityNodeInfo(virtualViewId);
  34             }
  35
  36             @Override
  37             public List<AccessibilityNodeInfo> findAccessibilityNodeInfosByText(String text,
  38                     int virtualViewId) {
  39                 return delegate.findAccessibilityNodeInfosByText(text, virtualViewId);
  40             }
  41
  42             @Override
  43             public boolean performAction(int virtualViewId, int action, Bundle arguments) {
  44                 return delegate.performAction(virtualViewId, action, arguments);
  45             }
  46         };
  47     }
  48
  49     @Override
  50     public AccessibilityNodeProvider getAccessibilityNodeProvider() {
  51         return mAccessibilityNodeProvider;
  52     }
  53 }