content/browser/accessibility/browser_accessibility_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_MAC_H_
   6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MAC_H_
   7
   8 #include <map>
   9 #include <utility>
  10 #include <vector>
  11
  12 #include "content/browser/accessibility/browser_accessibility.h"
  13
  14 @class BrowserAccessibilityCocoa;
  15
  16 namespace content {
  17
  18 class BrowserAccessibilityMac : public BrowserAccessibility {
  19  public:
  20   // BrowserAccessibility overrides.
  21   void NativeReleaseReference() override;
  22   bool IsNative() const override;
  23   void OnDataChanged() override;
  24
  25   // The BrowserAccessibilityCocoa associated with us.
  26   BrowserAccessibilityCocoa* native_view() const {
  27     return browser_accessibility_cocoa_;
  28   }
  29
  30   // Detach the BrowserAccessibilityCocoa object and then recreate it.
  31   // This is only used to work around VoiceOver bugs by forcing VoiceOver
  32   // to rebuild its internal state.
  33   void RecreateNativeObject();
  34
  35  private:
  36   // This gives BrowserAccessibility::Create access to the class constructor.
  37   friend class BrowserAccessibility;
  38
  39   BrowserAccessibilityMac();
  40
  41   // Allows access to the BrowserAccessibilityCocoa which wraps this.
  42   // BrowserAccessibility.
  43   // We own this object until our manager calls ReleaseReference;
  44   // thereafter, the cocoa object owns us.
  45   BrowserAccessibilityCocoa* browser_accessibility_cocoa_;
  46   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityMac);
  47 };
  48
  49 }  // namespace content
  50
  51 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MAC_H_