browser_accessibility_manager_mac.mm revision ddb351dbec246cf1fab5ec20d2d5520909041de1 
1// Copyright (c) 2010 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#include "chrome/browser/accessibility/browser_accessibility_manager_mac.h"
6
7#import "base/logging.h"
8#import "chrome/browser/accessibility/browser_accessibility_cocoa.h"
9#include "content/common/view_messages.h"
10
11// static
12BrowserAccessibilityManager* BrowserAccessibilityManager::Create(
13    gfx::NativeView parent_view,
14    const WebAccessibility& src,
15    BrowserAccessibilityDelegate* delegate,
16    BrowserAccessibilityFactory* factory) {
17  return new BrowserAccessibilityManagerMac(
18      parent_view, src, delegate, factory);
19}
20
21BrowserAccessibilityManagerMac::BrowserAccessibilityManagerMac(
22    gfx::NativeView parent_window,
23    const webkit_glue::WebAccessibility& src,
24    BrowserAccessibilityDelegate* delegate,
25    BrowserAccessibilityFactory* factory)
26        : BrowserAccessibilityManager(parent_window, src, delegate, factory) {
27}
28
29void BrowserAccessibilityManagerMac::NotifyAccessibilityEvent(
30    int type,
31    BrowserAccessibility* node) {
32  // Refer to AXObjectCache.mm (webkit).
33  NSString* event_id = @"";
34  switch (type) {
35    case ViewHostMsg_AccessibilityNotification_Type::
36        NOTIFICATION_TYPE_CHECK_STATE_CHANGED:
37      // Does not exist on Mac.
38      return;
39    case ViewHostMsg_AccessibilityNotification_Type::
40        NOTIFICATION_TYPE_CHILDREN_CHANGED:
41      // TODO(dtseng): no clear equivalent on Mac.
42      return;
43    case ViewHostMsg_AccessibilityNotification_Type::
44        NOTIFICATION_TYPE_FOCUS_CHANGED:
45      event_id = NSAccessibilityFocusedUIElementChangedNotification;
46      break;
47    case ViewHostMsg_AccessibilityNotification_Type::
48        NOTIFICATION_TYPE_LOAD_COMPLETE:
49      event_id = @"AXLoadComplete";
50      break;
51    case ViewHostMsg_AccessibilityNotification_Type::
52        NOTIFICATION_TYPE_VALUE_CHANGED:
53      event_id = NSAccessibilityValueChangedNotification;
54      break;
55    case ViewHostMsg_AccessibilityNotification_Type::
56        NOTIFICATION_TYPE_SELECTED_TEXT_CHANGED:
57      event_id = NSAccessibilitySelectedTextChangedNotification;
58      break;
59  }
60  BrowserAccessibilityCocoa* native_node = node->toBrowserAccessibilityCocoa();
61  DCHECK(native_node);
62  NSAccessibilityPostNotification(native_node, event_id);
63}
64