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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_ | 5 #ifndef CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_ |
| 6 #define CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_ | 6 #define CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_ |
| 7 | 7 |
| 8 #include "content/common/accessibility_messages.h" | 8 #include "content/common/accessibility_messages.h" |
| 9 #include "content/public/renderer/render_view_observer.h" | 9 #include "content/public/renderer/render_view_observer.h" |
| 10 #include "third_party/WebKit/public/web/WebAccessibilityNotification.h" | 10 #include "third_party/WebKit/public/web/WebAXObject.h" |
| 11 | 11 |
| 12 namespace WebKit { | 12 namespace WebKit { |
| 13 class WebAccessibilityObject; | |
| 14 class WebDocument; | 13 class WebDocument; |
| 15 }; | 14 }; |
| 16 | 15 |
| 17 namespace content { | 16 namespace content { |
| 18 class RenderViewImpl; | 17 class RenderViewImpl; |
| 19 | 18 |
| 20 // The browser process implement native accessibility APIs, allowing | 19 // The browser process implement native accessibility APIs, allowing |
| 21 // assistive technology (e.g., screen readers, magnifiers) to access and | 20 // assistive technology (e.g., screen readers, magnifiers) to access and |
| 22 // control the web contents with high-level APIs. These APIs are also used | 21 // control the web contents with high-level APIs. These APIs are also used |
| 23 // by automation tools, and Windows 8 uses them to determine when the | 22 // by automation tools, and Windows 8 uses them to determine when the |
| (...skipping 24 matching lines...) Expand all Loading... |
| 48 // touch events on Windows 8 in Metro mode. | 47 // touch events on Windows 8 in Metro mode. |
| 49 // | 48 // |
| 50 // What both subclasses have in common is that they are responsible for | 49 // What both subclasses have in common is that they are responsible for |
| 51 // | 50 // |
| 52 class CONTENT_EXPORT RendererAccessibility : public RenderViewObserver { | 51 class CONTENT_EXPORT RendererAccessibility : public RenderViewObserver { |
| 53 public: | 52 public: |
| 54 explicit RendererAccessibility(RenderViewImpl* render_view); | 53 explicit RendererAccessibility(RenderViewImpl* render_view); |
| 55 virtual ~RendererAccessibility(); | 54 virtual ~RendererAccessibility(); |
| 56 | 55 |
| 57 // Called when an accessibility notification occurs in WebKit. | 56 // Called when an accessibility notification occurs in WebKit. |
| 58 virtual void HandleWebAccessibilityNotification( | 57 virtual void HandleWebAccessibilityEvent( |
| 59 const WebKit::WebAccessibilityObject& obj, | 58 const WebKit::WebAXObject& obj, WebKit::WebAXEvent event) = 0; |
| 60 WebKit::WebAccessibilityNotification notification) = 0; | |
| 61 | 59 |
| 62 protected: | 60 protected: |
| 63 // Returns the main top-level document for this page, or NULL if there's | 61 // Returns the main top-level document for this page, or NULL if there's |
| 64 // no view or frame. | 62 // no view or frame. |
| 65 WebKit::WebDocument GetMainDocument(); | 63 WebKit::WebDocument GetMainDocument(); |
| 66 | 64 |
| 67 #ifndef NDEBUG | 65 #ifndef NDEBUG |
| 68 const std::string AccessibilityNotificationToString( | 66 const std::string AccessibilityEventToString(WebKit::WebAXEvent event); |
| 69 AccessibilityNotification notification); | |
| 70 #endif | 67 #endif |
| 71 | 68 |
| 72 // The RenderViewImpl that owns us. | 69 // The RenderViewImpl that owns us. |
| 73 RenderViewImpl* render_view_; | 70 RenderViewImpl* render_view_; |
| 74 | 71 |
| 75 // True if verbose logging of accessibility events is on. | 72 // True if verbose logging of accessibility events is on. |
| 76 bool logging_; | 73 bool logging_; |
| 77 | 74 |
| 78 DISALLOW_COPY_AND_ASSIGN(RendererAccessibility); | 75 DISALLOW_COPY_AND_ASSIGN(RendererAccessibility); |
| 79 }; | 76 }; |
| 80 | 77 |
| 81 } // namespace content | 78 } // namespace content |
| 82 | 79 |
| 83 #endif // CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_ | 80 #endif // CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_ |
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