// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_
#define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_

#import <Cocoa/Cocoa.h>

#include "content/browser/accessibility/browser_accessibility_manager.h"

namespace content {

class CONTENT_EXPORT BrowserAccessibilityManagerMac
    : public BrowserAccessibilityManager {
 public:
  BrowserAccessibilityManagerMac(
      NSView* parent_view,
      const ui::AXTreeUpdate& initial_tree,
      BrowserAccessibilityDelegate* delegate,
      BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());

  static ui::AXTreeUpdate GetEmptyDocument();

  virtual BrowserAccessibility* GetFocus(BrowserAccessibility* root) OVERRIDE;

  // Implementation of BrowserAccessibilityManager.
  virtual void NotifyAccessibilityEvent(
      ui::AXEvent event_type, BrowserAccessibility* node) OVERRIDE;

  NSView* parent_view() { return parent_view_; }

 private:
  virtual void OnNodeCreationFinished(ui::AXNode* node) OVERRIDE;
  virtual void OnTreeUpdateFinished() OVERRIDE;

  // This gives BrowserAccessibilityManager::Create access to the class
  // constructor.
  friend class BrowserAccessibilityManager;

  NSView* parent_view_;

  bool created_live_region_;

  DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerMac);
};

}

#endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_