Home | History | Annotate | Download | only in accessibility 
      1 // Copyright (c) 2013 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 UI_VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_H_
      6 #define UI_VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_H_
      7 
      8 #include "ui/accessibility/ax_enums.h"
      9 #include "ui/gfx/native_widget_types.h"
     10 #include "ui/views/views_export.h"
     11 
     12 namespace views {
     13 
     14 class View;
     15 
     16 class VIEWS_EXPORT NativeViewAccessibility {
     17  public:
     18   static NativeViewAccessibility* Create(View* view);
     19 
     20   virtual void NotifyAccessibilityEvent(
     21       ui::AXEvent event_type) {}
     22 
     23   virtual gfx::NativeViewAccessible GetNativeObject();
     24 
     25   // Call Destroy rather than deleting this, because the subclass may
     26   // use reference counting.
     27   virtual void Destroy();
     28 
     29   // WebViews need to be registered because they implement their own
     30   // tree of accessibility objects, and we need to check them when
     31   // mapping a child id to a NativeViewAccessible.
     32   static void RegisterWebView(View* web_view);
     33   static void UnregisterWebView(View* web_view);
     34 
     35  protected:
     36   NativeViewAccessibility();
     37   virtual ~NativeViewAccessibility();
     38 
     39  private:
     40   DISALLOW_COPY_AND_ASSIGN(NativeViewAccessibility);
     41 };
     42 
     43 }  // namespace views
     44 
     45 #endif  // UI_VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_H_
     46