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 ui::AXTreeUpdate& initial_tree,
  20       BrowserAccessibilityDelegate* delegate,
  21       BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());
  22
  23   static ui::AXTreeUpdate GetEmptyDocument();
  24
  25   virtual BrowserAccessibility* GetFocus(BrowserAccessibility* root) OVERRIDE;
  26
  27   // Implementation of BrowserAccessibilityManager.
  28   virtual void NotifyAccessibilityEvent(
  29       ui::AXEvent event_type, BrowserAccessibility* node) OVERRIDE;
  30
  31   NSView* parent_view() { return parent_view_; }
  32
  33  private:
  34   virtual void OnNodeCreationFinished(ui::AXNode* node) OVERRIDE;
  35   virtual void OnTreeUpdateFinished() OVERRIDE;
  36
  37   // This gives BrowserAccessibilityManager::Create access to the class
  38   // constructor.
  39   friend class BrowserAccessibilityManager;
  40
  41   NSView* parent_view_;
  42
  43   bool created_live_region_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerMac);
  46 };
  47
  48 }
  49
  50 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_