KitKatBrowserAccessibilityManager.java revision a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7 
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
5package org.chromium.content.browser.accessibility;
6
7import android.view.accessibility.AccessibilityEvent;
8import android.view.accessibility.AccessibilityNodeInfo;
9
10import org.chromium.base.JNINamespace;
11import 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@JNINamespace("content")
18public class KitKatBrowserAccessibilityManager extends JellyBeanBrowserAccessibilityManager {
19    KitKatBrowserAccessibilityManager(long nativeBrowserAccessibilityManagerAndroid,
20            ContentViewCore contentViewCore) {
21        super(nativeBrowserAccessibilityManagerAndroid, contentViewCore);
22    }
23
24    @Override
25    protected void setAccessibilityNodeInfoKitKatAttributes(AccessibilityNodeInfo node,
26            boolean canOpenPopup,
27            boolean contentInvalid,
28            boolean dismissable,
29            boolean multiLine,
30            int inputType,
31            int liveRegion) {
32        node.setCanOpenPopup(canOpenPopup);
33        node.setContentInvalid(contentInvalid);
34        node.setDismissable(contentInvalid);
35        node.setMultiLine(multiLine);
36        node.setInputType(inputType);
37        node.setLiveRegion(liveRegion);
38    }
39
40    @Override
41    protected void setAccessibilityNodeInfoCollectionInfo(AccessibilityNodeInfo node,
42            int rowCount, int columnCount, boolean hierarchical) {
43        node.setCollectionInfo(AccessibilityNodeInfo.CollectionInfo.obtain(
44                rowCount, columnCount, hierarchical));
45    }
46
47    @Override
48    protected void setAccessibilityNodeInfoCollectionItemInfo(AccessibilityNodeInfo node,
49            int rowIndex, int rowSpan, int columnIndex, int columnSpan, boolean heading) {
50        node.setCollectionItemInfo(AccessibilityNodeInfo.CollectionItemInfo.obtain(
51                rowIndex, rowSpan, columnIndex, columnSpan, heading));
52    }
53
54    @Override
55    protected void setAccessibilityNodeInfoRangeInfo(AccessibilityNodeInfo node,
56            int rangeType, float min, float max, float current) {
57        node.setRangeInfo(AccessibilityNodeInfo.RangeInfo.obtain(
58                rangeType, min, max, current));
59    }
60
61    @Override
62    protected void setAccessibilityEventKitKatAttributes(AccessibilityEvent event,
63            boolean canOpenPopup,
64            boolean contentInvalid,
65            boolean dismissable,
66            boolean multiLine,
67            int inputType,
68            int liveRegion) {
69        // This is just a fallback for pre-KitKat systems.
70        // Do nothing on KitKat and higher.
71    }
72
73    @Override
74    protected void setAccessibilityEventCollectionInfo(AccessibilityEvent event,
75            int rowCount, int columnCount, boolean hierarchical) {
76        // This is just a fallback for pre-KitKat systems.
77        // Do nothing on KitKat and higher.
78    }
79
80    @Override
81    protected void setAccessibilityEventCollectionItemInfo(AccessibilityEvent event,
82            int rowIndex, int rowSpan, int columnIndex, int columnSpan, boolean heading) {
83        // This is just a fallback for pre-KitKat systems.
84        // Do nothing on KitKat and higher.
85    }
86
87    @Override
88    protected void setAccessibilityEventRangeInfo(AccessibilityEvent event,
89            int rangeType, float min, float max, float current) {
90        // This is just a fallback for pre-KitKat systems.
91        // Do nothing on KitKat and higher.
92    }
93}
94