src/ui/views/accessibility/native_view_accessibility.h

   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/base/accessibility/accessibility_types.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::AccessibilityTypes::Event 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_