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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: Get rid of ForEachFrameAndPendingFrame Created 6 years, 6 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 DidOverscrollParams; 57 struct DidOverscrollParams;
57 struct NativeWebKeyboardEvent; 58 struct NativeWebKeyboardEvent;
58 struct WebPluginGeometry; 59 struct WebPluginGeometry;
59 60
60 // Basic implementation shared by concrete RenderWidgetHostView subclasses. 61 // Basic implementation shared by concrete RenderWidgetHostView subclasses.
61 class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView, 62 class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView,
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84 // virtual for testing. 85 // virtual for testing.
85 virtual void UnhandledWheelEvent(const blink::WebMouseWheelEvent& event); 86 virtual void UnhandledWheelEvent(const blink::WebMouseWheelEvent& event);
86 87
87 // Called by the host when the input flush has completed. 88 // Called by the host when the input flush has completed.
88 void OnDidFlushInput(); 89 void OnDidFlushInput();
89 90
90 void SetPopupType(blink::WebPopupType popup_type); 91 void SetPopupType(blink::WebPopupType popup_type);
91 92
92 blink::WebPopupType GetPopupType(); 93 blink::WebPopupType GetPopupType();
93 94
94 // Get the BrowserAccessibilityManager if it exists, may return NULL.
95 BrowserAccessibilityManager* GetBrowserAccessibilityManager() const;
96
97 void SetBrowserAccessibilityManager(BrowserAccessibilityManager* manager);
98
99 // Return a value that is incremented each time the renderer swaps a new frame 95 // Return a value that is incremented each time the renderer swaps a new frame
100 // to the view. 96 // to the view.
101 uint32 RendererFrameNumber(); 97 uint32 RendererFrameNumber();
102 98
103 // Called each time the RenderWidgetHost receives a new frame for display from 99 // Called each time the RenderWidgetHost receives a new frame for display from
104 // the renderer. 100 // the renderer.
105 void DidReceiveRendererFrame(); 101 void DidReceiveRendererFrame();
106 102
107 // Notification that a resize or move session ended on the native widget. 103 // Notification that a resize or move session ended on the native widget.
108 void UpdateScreenInfo(gfx::NativeView view); 104 void UpdateScreenInfo(gfx::NativeView view);
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144 virtual void GestureEventAck(const blink::WebGestureEvent& event, 140 virtual void GestureEventAck(const blink::WebGestureEvent& event,
145 InputEventAckState ack_result); 141 InputEventAckState ack_result);
146 142
147 // Create a platform specific SyntheticGestureTarget implementation that will 143 // Create a platform specific SyntheticGestureTarget implementation that will
148 // be used to inject synthetic input events. 144 // be used to inject synthetic input events.
149 virtual scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget(); 145 virtual scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget();
150 146
151 // Return true if frame subscription is supported on this platform. 147 // Return true if frame subscription is supported on this platform.
152 virtual bool CanSubscribeFrame() const; 148 virtual bool CanSubscribeFrame() const;
153 149
154 // Create a BrowserAccessibilityManager for this view if it's possible to 150 // Create a BrowserAccessibilityManager for this view.
155 // create one and if one doesn't exist already. Some ports may not create 151 virtual BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
156 // one depending on the current state. 152 BrowserAccessibilityDelegate* delegate);
157 virtual void CreateBrowserAccessibilityManagerIfNeeded();
158 153
159 virtual void OnAccessibilitySetFocus(int acc_obj_id); 154 virtual void AccessibilityShowMenu(const gfx::Point& point);
160 virtual void AccessibilityShowMenu(int acc_obj_id);
161 virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds); 155 virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds);
162 156
163 virtual SkBitmap::Config PreferredReadbackFormat(); 157 virtual SkBitmap::Config PreferredReadbackFormat();
164 158
165 // Informs that the focused DOM node has changed. 159 // Informs that the focused DOM node has changed.
166 virtual void FocusedNodeChanged(bool is_editable_node) {} 160 virtual void FocusedNodeChanged(bool is_editable_node) {}
167 161
168 virtual void OnSwapCompositorFrame(uint32 output_surface_id, 162 virtual void OnSwapCompositorFrame(uint32 output_surface_id,
169 scoped_ptr<cc::CompositorFrame> frame) {} 163 scoped_ptr<cc::CompositorFrame> frame) {}
170 164
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414 // The orientation of the display the renderer is currently on. 408 // The orientation of the display the renderer is currently on.
415 gfx::Display::Rotation current_display_rotation_; 409 gfx::Display::Rotation current_display_rotation_;
416 410
417 // Whether pinch-to-zoom should be enabled and pinch events forwarded to the 411 // Whether pinch-to-zoom should be enabled and pinch events forwarded to the
418 // renderer. 412 // renderer.
419 bool pinch_zoom_enabled_; 413 bool pinch_zoom_enabled_;
420 414
421 private: 415 private:
422 void FlushInput(); 416 void FlushInput();
423 417
424 // Manager of the tree representation of the WebKit render tree.
425 scoped_ptr<BrowserAccessibilityManager> browser_accessibility_manager_;
426
427 gfx::Rect current_display_area_; 418 gfx::Rect current_display_area_;
428 419
429 uint32 renderer_frame_number_; 420 uint32 renderer_frame_number_;
430 421
431 base::OneShotTimer<RenderWidgetHostViewBase> flush_input_timer_; 422 base::OneShotTimer<RenderWidgetHostViewBase> flush_input_timer_;
432 423
433 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewBase); 424 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewBase);
434 }; 425 };
435 426
436 } // namespace content 427 } // namespace content
437 428
438 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_ 429 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
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