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Side by Side Diff: content/browser/renderer_host/render_widget_host_delegate.h

Issue 273423004: Migrate accessibility from RenderView to RenderFrame. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase Created 6 years, 5 months ago
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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_BROWSER_RENDER_WIDGET_HOST_DELEGATE_H_ 5 #ifndef CONTENT_BROWSER_RENDER_WIDGET_HOST_DELEGATE_H_
6 #define CONTENT_BROWSER_RENDER_WIDGET_HOST_DELEGATE_H_ 6 #define CONTENT_BROWSER_RENDER_WIDGET_HOST_DELEGATE_H_
7 7
8 #include "build/build_config.h" 8 #include "build/build_config.h"
9 #include "content/common/content_export.h" 9 #include "content/common/content_export.h"
10 #include "ui/gfx/native_widget_types.h" 10 #include "ui/gfx/native_widget_types.h"
11 11
12 namespace blink { 12 namespace blink {
13 class WebMouseWheelEvent; 13 class WebMouseWheelEvent;
14 class WebGestureEvent; 14 class WebGestureEvent;
15 } 15 }
16 16
17 namespace content { 17 namespace content {
18 18
19 class BrowserAccessibilityManager;
19 class RenderWidgetHostImpl; 20 class RenderWidgetHostImpl;
20 struct NativeWebKeyboardEvent; 21 struct NativeWebKeyboardEvent;
21 22
22 // 23 //
23 // RenderWidgetHostDelegate 24 // RenderWidgetHostDelegate
24 // 25 //
25 // An interface implemented by an object interested in knowing about the state 26 // An interface implemented by an object interested in knowing about the state
26 // of the RenderWidgetHost. 27 // of the RenderWidgetHost.
27 class CONTENT_EXPORT RenderWidgetHostDelegate { 28 class CONTENT_EXPORT RenderWidgetHostDelegate {
28 public: 29 public:
(...skipping 26 matching lines...) Expand all
55 // Callback to inform the browser that the renderer did not process the 56 // Callback to inform the browser that the renderer did not process the
56 // specified gesture event. Returns true if the |event| was handled. 57 // specified gesture event. Returns true if the |event| was handled.
57 virtual bool HandleGestureEvent(const blink::WebGestureEvent& event); 58 virtual bool HandleGestureEvent(const blink::WebGestureEvent& event);
58 59
59 // Notifies that screen rects were sent to renderer process. 60 // Notifies that screen rects were sent to renderer process.
60 virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) {} 61 virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) {}
61 62
62 // Notifies that RenderWidgetHost will toggle touch emulation. 63 // Notifies that RenderWidgetHost will toggle touch emulation.
63 virtual void OnTouchEmulationEnabled(bool enabled) {} 64 virtual void OnTouchEmulationEnabled(bool enabled) {}
64 65
66 // Get the root BrowserAccessibilityManager for this frame tree.
67 virtual BrowserAccessibilityManager* GetRootBrowserAccessibilityManager();
68
69 // Get the root BrowserAccessibilityManager for this frame tree,
70 // or create it if it doesn't exist.
71 virtual BrowserAccessibilityManager*
72 GetOrCreateRootBrowserAccessibilityManager();
73
65 #if defined(OS_WIN) 74 #if defined(OS_WIN)
66 // Returns the widget's parent's NativeViewAccessible.
67 virtual gfx::NativeViewAccessible GetParentNativeViewAccessible(); 75 virtual gfx::NativeViewAccessible GetParentNativeViewAccessible();
68 #endif 76 #endif
69 77
70 protected: 78 protected:
71 virtual ~RenderWidgetHostDelegate() {} 79 virtual ~RenderWidgetHostDelegate() {}
72 }; 80 };
73 81
74 } // namespace content 82 } // namespace content
75 83
76 #endif // CONTENT_BROWSER_RENDER_WIDGET_HOST_DELEGATE_H_ 84 #endif // CONTENT_BROWSER_RENDER_WIDGET_HOST_DELEGATE_H_
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