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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 |
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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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