content/browser/accessibility/browser_accessibility_manager_mac.h

   1 // Copyright (c) 2012 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 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_
   6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 #include "content/browser/accessibility/browser_accessibility_manager.h"
  11
  12 namespace content {
  13
  14 class CONTENT_EXPORT BrowserAccessibilityManagerMac
  15     : public BrowserAccessibilityManager {
  16  public:
  17   BrowserAccessibilityManagerMac(
  18       NSView* parent_view,
  19       const SimpleAXTreeUpdate& initial_tree,
  20       BrowserAccessibilityDelegate* delegate,
  21       BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());
  22
  23   static SimpleAXTreeUpdate GetEmptyDocument();
  24
  25   BrowserAccessibility* GetFocus(BrowserAccessibility* root) override;
  26
  27   // Implementation of BrowserAccessibilityManager.
  28   void NotifyAccessibilityEvent(ui::AXEvent event_type,
  29                                 BrowserAccessibility* node) override;
  30
  31   NSView* parent_view() { return parent_view_; }
  32
  33  private:
  34   void OnAtomicUpdateFinished(
  35       ui::AXTree* tree,
  36       bool root_changed,
  37       const std::vector<ui::AXTreeDelegate::Change>& changes) override;
  38
  39   // This gives BrowserAccessibilityManager::Create access to the class
  40   // constructor.
  41   friend class BrowserAccessibilityManager;
  42
  43   NSView* parent_view_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerMac);
  46 };
  47
  48 }
  49
  50 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_