src/content/public/android/java/src/org/chromium/content/browser/accessibility/KitKatBrowserAccessibilityManager.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.view.accessibility.AccessibilityEvent;
   8 import android.view.accessibility.AccessibilityNodeInfo;
   9
  10 import org.chromium.base.JNINamespace;
  11 import org.chromium.content.browser.ContentViewCore;
  12
  13 /**
  14  * Subclass of BrowserAccessibilityManager for KitKat that creates an
  15  * AccessibilityNodeProvider and delegates its implementation to this object.
  16  *
  17  * THIS CLASS IS NOT USED! A bug in the KitKat framework prevents us
  18  * from using these new APIs. We can re-enable this class after the next
  19  * Android system update. http://crbug.com/348088/
  20  */
  21 @JNINamespace("content")
  22 public class KitKatBrowserAccessibilityManager extends JellyBeanBrowserAccessibilityManager {
  23     KitKatBrowserAccessibilityManager(long nativeBrowserAccessibilityManagerAndroid,
  24             ContentViewCore contentViewCore) {
  25         super(nativeBrowserAccessibilityManagerAndroid, contentViewCore);
  26     }
  27
  28     @Override
  29     protected void setAccessibilityNodeInfoKitKatAttributes(AccessibilityNodeInfo node,
  30             boolean canOpenPopup,
  31             boolean contentInvalid,
  32             boolean dismissable,
  33             boolean multiLine,
  34             int inputType,
  35             int liveRegion) {
  36         node.setCanOpenPopup(canOpenPopup);
  37         node.setContentInvalid(contentInvalid);
  38         node.setDismissable(contentInvalid);
  39         node.setMultiLine(multiLine);
  40         node.setInputType(inputType);
  41         node.setLiveRegion(liveRegion);
  42     }
  43
  44     @Override
  45     protected void setAccessibilityNodeInfoCollectionInfo(AccessibilityNodeInfo node,
  46             int rowCount, int columnCount, boolean hierarchical) {
  47         node.setCollectionInfo(AccessibilityNodeInfo.CollectionInfo.obtain(
  48                 rowCount, columnCount, hierarchical));
  49     }
  50
  51     @Override
  52     protected void setAccessibilityNodeInfoCollectionItemInfo(AccessibilityNodeInfo node,
  53             int rowIndex, int rowSpan, int columnIndex, int columnSpan, boolean heading) {
  54         node.setCollectionItemInfo(AccessibilityNodeInfo.CollectionItemInfo.obtain(
  55                 rowIndex, rowSpan, columnIndex, columnSpan, heading));
  56     }
  57
  58     @Override
  59     protected void setAccessibilityNodeInfoRangeInfo(AccessibilityNodeInfo node,
  60             int rangeType, float min, float max, float current) {
  61         node.setRangeInfo(AccessibilityNodeInfo.RangeInfo.obtain(
  62                 rangeType, min, max, current));
  63     }
  64
  65     @Override
  66     protected void setAccessibilityEventKitKatAttributes(AccessibilityEvent event,
  67             boolean canOpenPopup,
  68             boolean contentInvalid,
  69             boolean dismissable,
  70             boolean multiLine,
  71             int inputType,
  72             int liveRegion) {
  73         // This is just a fallback for pre-KitKat systems.
  74         // Do nothing on KitKat and higher.
  75     }
  76
  77     @Override
  78     protected void setAccessibilityEventCollectionInfo(AccessibilityEvent event,
  79             int rowCount, int columnCount, boolean hierarchical) {
  80         // This is just a fallback for pre-KitKat systems.
  81         // Do nothing on KitKat and higher.
  82     }
  83
  84     @Override
  85     protected void setAccessibilityEventCollectionItemInfo(AccessibilityEvent event,
  86             int rowIndex, int rowSpan, int columnIndex, int columnSpan, boolean heading) {
  87         // This is just a fallback for pre-KitKat systems.
  88         // Do nothing on KitKat and higher.
  89     }
  90
  91     @Override
  92     protected void setAccessibilityEventRangeInfo(AccessibilityEvent event,
  93             int rangeType, float min, float max, float current) {
  94         // This is just a fallback for pre-KitKat systems.
  95         // Do nothing on KitKat and higher.
  96     }
  97 }