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      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_GTK_H_
      6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_GTK_H_
      7 
      8 #include "content/browser/accessibility/browser_accessibility_manager.h"
      9 
     10 struct ViewHostMsg_AccessibilityNotification_Params;
     11 
     12 namespace content {
     13 class BrowserAccessibilityGtk;
     14 
     15 // Manages a tree of BrowserAccessibilityGtk objects.
     16 class CONTENT_EXPORT BrowserAccessibilityManagerGtk
     17     : public BrowserAccessibilityManager {
     18  public:
     19   BrowserAccessibilityManagerGtk(
     20       GtkWidget* parent_widget,
     21       const AccessibilityNodeData& src,
     22       BrowserAccessibilityDelegate* delegate,
     23       BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());
     24 
     25   virtual ~BrowserAccessibilityManagerGtk();
     26 
     27   static AccessibilityNodeData GetEmptyDocument();
     28 
     29   // BrowserAccessibilityManager methods
     30   virtual void NotifyAccessibilityEvent(int type, BrowserAccessibility* node)
     31       OVERRIDE;
     32 
     33   GtkWidget* parent_widget() { return parent_widget_; }
     34 
     35  private:
     36   void RecursivelySendChildrenChanged(BrowserAccessibilityGtk* node);
     37 
     38   GtkWidget* parent_widget_;
     39 
     40   // Give BrowserAccessibilityManager::Create access to our constructor.
     41   friend class BrowserAccessibilityManager;
     42 
     43   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerGtk);
     44 };
     45 
     46 }  // namespace content
     47 
     48 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_GTK_H_
     49