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

Issue 273423004: Migrate accessibility from RenderView to RenderFrame. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix win & android compile Created 6 years, 7 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_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_ 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_ 6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
7 7
8 #if defined(OS_MACOSX) 8 #if defined(OS_MACOSX)
9 #include <OpenGL/OpenGL.h> 9 #include <OpenGL/OpenGL.h>
10 #endif 10 #endif
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42 42
43 namespace media { 43 namespace media {
44 class VideoFrame; 44 class VideoFrame;
45 } 45 }
46 46
47 namespace blink { 47 namespace blink {
48 struct WebScreenInfo; 48 struct WebScreenInfo;
49 } 49 }
50 50
51 namespace content { 51 namespace content {
52 class BrowserAccessibilityDelegate;
52 class BrowserAccessibilityManager; 53 class BrowserAccessibilityManager;
53 class SyntheticGesture; 54 class SyntheticGesture;
54 class SyntheticGestureTarget; 55 class SyntheticGestureTarget;
55 class WebCursor; 56 class WebCursor;
56 struct WebPluginGeometry; 57 struct WebPluginGeometry;
57 struct NativeWebKeyboardEvent; 58 struct NativeWebKeyboardEvent;
58 59
59 // Basic implementation shared by concrete RenderWidgetHostView subclasses. 60 // Basic implementation shared by concrete RenderWidgetHostView subclasses.
60 class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView, 61 class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView,
61 public IPC::Listener { 62 public IPC::Listener {
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83 // virtual for testing. 84 // virtual for testing.
84 virtual void UnhandledWheelEvent(const blink::WebMouseWheelEvent& event); 85 virtual void UnhandledWheelEvent(const blink::WebMouseWheelEvent& event);
85 86
86 // Called by the host when the input flush has completed. 87 // Called by the host when the input flush has completed.
87 void OnDidFlushInput(); 88 void OnDidFlushInput();
88 89
89 void SetPopupType(blink::WebPopupType popup_type); 90 void SetPopupType(blink::WebPopupType popup_type);
90 91
91 blink::WebPopupType GetPopupType(); 92 blink::WebPopupType GetPopupType();
92 93
93 // Get the BrowserAccessibilityManager if it exists, may return NULL.
94 BrowserAccessibilityManager* GetBrowserAccessibilityManager() const;
95
96 void SetBrowserAccessibilityManager(BrowserAccessibilityManager* manager);
97
98 // Return a value that is incremented each time the renderer swaps a new frame 94 // Return a value that is incremented each time the renderer swaps a new frame
99 // to the view. 95 // to the view.
100 uint32 RendererFrameNumber(); 96 uint32 RendererFrameNumber();
101 97
102 // Called each time the RenderWidgetHost receives a new frame for display from 98 // Called each time the RenderWidgetHost receives a new frame for display from
103 // the renderer. 99 // the renderer.
104 void DidReceiveRendererFrame(); 100 void DidReceiveRendererFrame();
105 101
106 // Notification that a resize or move session ended on the native widget. 102 // Notification that a resize or move session ended on the native widget.
107 void UpdateScreenInfo(gfx::NativeView view); 103 void UpdateScreenInfo(gfx::NativeView view);
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139 virtual void GestureEventAck(const blink::WebGestureEvent& event, 135 virtual void GestureEventAck(const blink::WebGestureEvent& event,
140 InputEventAckState ack_result); 136 InputEventAckState ack_result);
141 137
142 // Create a platform specific SyntheticGestureTarget implementation that will 138 // Create a platform specific SyntheticGestureTarget implementation that will
143 // be used to inject synthetic input events. 139 // be used to inject synthetic input events.
144 virtual scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget(); 140 virtual scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget();
145 141
146 // Return true if frame subscription is supported on this platform. 142 // Return true if frame subscription is supported on this platform.
147 virtual bool CanSubscribeFrame() const; 143 virtual bool CanSubscribeFrame() const;
148 144
149 // Create a BrowserAccessibilityManager for this view if it's possible to 145 // Create a BrowserAccessibilityManager for this view.
150 // create one and if one doesn't exist already. Some ports may not create 146 virtual BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
151 // one depending on the current state. 147 BrowserAccessibilityDelegate* delegate);
152 virtual void CreateBrowserAccessibilityManagerIfNeeded();
153 148
154 virtual void OnAccessibilitySetFocus(int acc_obj_id); 149 virtual void AccessibilityShowMenu(const gfx::Point& point);
155 virtual void AccessibilityShowMenu(int acc_obj_id);
156 virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds); 150 virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds);
157 151
158 virtual SkBitmap::Config PreferredReadbackFormat(); 152 virtual SkBitmap::Config PreferredReadbackFormat();
159 153
160 // Informs that the focused DOM node has changed. 154 // Informs that the focused DOM node has changed.
161 virtual void FocusedNodeChanged(bool is_editable_node) {} 155 virtual void FocusedNodeChanged(bool is_editable_node) {}
162 156
163 virtual void OnSwapCompositorFrame(uint32 output_surface_id, 157 virtual void OnSwapCompositorFrame(uint32 output_surface_id,
164 scoped_ptr<cc::CompositorFrame> frame) {} 158 scoped_ptr<cc::CompositorFrame> frame) {}
165 159
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407 // The orientation of the display the renderer is currently on. 401 // The orientation of the display the renderer is currently on.
408 gfx::Display::Rotation current_display_rotation_; 402 gfx::Display::Rotation current_display_rotation_;
409 403
410 // Whether pinch-to-zoom should be enabled and pinch events forwarded to the 404 // Whether pinch-to-zoom should be enabled and pinch events forwarded to the
411 // renderer. 405 // renderer.
412 bool pinch_zoom_enabled_; 406 bool pinch_zoom_enabled_;
413 407
414 private: 408 private:
415 void FlushInput(); 409 void FlushInput();
416 410
417 // Manager of the tree representation of the WebKit render tree.
418 scoped_ptr<BrowserAccessibilityManager> browser_accessibility_manager_;
419
420 gfx::Rect current_display_area_; 411 gfx::Rect current_display_area_;
421 412
422 uint32 renderer_frame_number_; 413 uint32 renderer_frame_number_;
423 414
424 base::OneShotTimer<RenderWidgetHostViewBase> flush_input_timer_; 415 base::OneShotTimer<RenderWidgetHostViewBase> flush_input_timer_;
425 416
426 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewBase); 417 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewBase);
427 }; 418 };
428 419
429 } // namespace content 420 } // namespace content
430 421
431 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_ 422 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
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