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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_RENDER_WIDGET_H_ |    5 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_ | 
|    6 #define CONTENT_RENDERER_RENDER_WIDGET_H_ |    6 #define CONTENT_RENDERER_RENDER_WIDGET_H_ | 
|    7  |    7  | 
|    8 #include <stddef.h> |    8 #include <stddef.h> | 
|    9 #include <stdint.h> |    9 #include <stdint.h> | 
|   10  |   10  | 
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|   86 class ImeEventGuard; |   86 class ImeEventGuard; | 
|   87 class RenderFrameImpl; |   87 class RenderFrameImpl; | 
|   88 class RenderFrameProxy; |   88 class RenderFrameProxy; | 
|   89 class RenderWidgetCompositor; |   89 class RenderWidgetCompositor; | 
|   90 class RenderWidgetOwnerDelegate; |   90 class RenderWidgetOwnerDelegate; | 
|   91 class RenderWidgetScreenMetricsEmulator; |   91 class RenderWidgetScreenMetricsEmulator; | 
|   92 class ResizingModeSelector; |   92 class ResizingModeSelector; | 
|   93 struct ContextMenuParams; |   93 struct ContextMenuParams; | 
|   94 struct DidOverscrollParams; |   94 struct DidOverscrollParams; | 
|   95 struct ResizeParams; |   95 struct ResizeParams; | 
|   96 struct WebPluginGeometry; |  | 
|   97  |   96  | 
|   98 // RenderWidget provides a communication bridge between a WebWidget and |   97 // RenderWidget provides a communication bridge between a WebWidget and | 
|   99 // a RenderWidgetHost, the latter of which lives in a different process. |   98 // a RenderWidgetHost, the latter of which lives in a different process. | 
|  100 // |   99 // | 
|  101 // RenderWidget is used to implement: |  100 // RenderWidget is used to implement: | 
|  102 // - RenderViewImpl (deprecated) |  101 // - RenderViewImpl (deprecated) | 
|  103 // - Fullscreen mode (RenderWidgetFullScreen) |  102 // - Fullscreen mode (RenderWidgetFullScreen) | 
|  104 // - Popup "menus" (like the color chooser and date picker) |  103 // - Popup "menus" (like the color chooser and date picker) | 
|  105 // - Widgets for frames (for out-of-process iframe support) |  104 // - Widgets for frames (for out-of-process iframe support) | 
|  106 class CONTENT_EXPORT RenderWidget |  105 class CONTENT_EXPORT RenderWidget | 
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|  279                                   const blink::WebNode& tapped_node, |  278                                   const blink::WebNode& tapped_node, | 
|  280                                   bool page_changed) override; |  279                                   bool page_changed) override; | 
|  281 #endif |  280 #endif | 
|  282  |  281  | 
|  283   // Begins the compositor's scheduler to start producing frames. |  282   // Begins the compositor's scheduler to start producing frames. | 
|  284   void StartCompositor(); |  283   void StartCompositor(); | 
|  285  |  284  | 
|  286   // Stop compositing. |  285   // Stop compositing. | 
|  287   void WillCloseLayerTreeView(); |  286   void WillCloseLayerTreeView(); | 
|  288  |  287  | 
|  289   // Called when a plugin is moved.  These events are queued up and sent with |  | 
|  290   // the next paint or scroll message to the host. |  | 
|  291   void SchedulePluginMove(const WebPluginGeometry& move); |  | 
|  292  |  | 
|  293   // Called when a plugin window has been destroyed, to make sure the currently |  | 
|  294   // pending moves don't try to reference it. |  | 
|  295   void CleanupWindowInPluginMoves(gfx::PluginWindowHandle window); |  | 
|  296  |  | 
|  297   RenderWidgetCompositor* compositor() const; |  288   RenderWidgetCompositor* compositor() const; | 
|  298  |  289  | 
|  299   const RenderWidgetInputHandler& input_handler() const { |  290   const RenderWidgetInputHandler& input_handler() const { | 
|  300     return *input_handler_; |  291     return *input_handler_; | 
|  301   } |  292   } | 
|  302  |  293  | 
|  303   void SetHandlingInputEventForTesting(bool handling_input_event); |  294   void SetHandlingInputEventForTesting(bool handling_input_event); | 
|  304  |  295  | 
|  305   // When paused in debugger, we send ack for mouse event early. This ensures |  296   // When paused in debugger, we send ack for mouse event early. This ensures | 
|  306   // that we continue receiving mouse moves and pass them to debugger. Returns |  297   // that we continue receiving mouse moves and pass them to debugger. Returns | 
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|  701  |  692  | 
|  702   // Stores the current composition character bounds. |  693   // Stores the current composition character bounds. | 
|  703   std::vector<gfx::Rect> composition_character_bounds_; |  694   std::vector<gfx::Rect> composition_character_bounds_; | 
|  704  |  695  | 
|  705   // Stores the current composition range. |  696   // Stores the current composition range. | 
|  706   gfx::Range composition_range_; |  697   gfx::Range composition_range_; | 
|  707  |  698  | 
|  708   // The kind of popup this widget represents, NONE if not a popup. |  699   // The kind of popup this widget represents, NONE if not a popup. | 
|  709   blink::WebPopupType popup_type_; |  700   blink::WebPopupType popup_type_; | 
|  710  |  701  | 
|  711   // Holds all the needed plugin window moves for a scroll. |  | 
|  712   typedef std::vector<WebPluginGeometry> WebPluginGeometryVector; |  | 
|  713   WebPluginGeometryVector plugin_window_moves_; |  | 
|  714  |  | 
|  715   // While we are waiting for the browser to update window sizes, we track the |  702   // While we are waiting for the browser to update window sizes, we track the | 
|  716   // pending size temporarily. |  703   // pending size temporarily. | 
|  717   int pending_window_rect_count_; |  704   int pending_window_rect_count_; | 
|  718   blink::WebRect pending_window_rect_; |  705   blink::WebRect pending_window_rect_; | 
|  719  |  706  | 
|  720   // The screen rects of the view and the window that contains it. |  707   // The screen rects of the view and the window that contains it. | 
|  721   gfx::Rect view_screen_rect_; |  708   gfx::Rect view_screen_rect_; | 
|  722   gfx::Rect window_screen_rect_; |  709   gfx::Rect window_screen_rect_; | 
|  723  |  710  | 
|  724   scoped_ptr<RenderWidgetInputHandler> input_handler_; |  711   scoped_ptr<RenderWidgetInputHandler> input_handler_; | 
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|  788  private: |  775  private: | 
|  789   // When emulated, this returns original device scale factor. |  776   // When emulated, this returns original device scale factor. | 
|  790   float GetOriginalDeviceScaleFactor() const; |  777   float GetOriginalDeviceScaleFactor() const; | 
|  791  |  778  | 
|  792   DISALLOW_COPY_AND_ASSIGN(RenderWidget); |  779   DISALLOW_COPY_AND_ASSIGN(RenderWidget); | 
|  793 }; |  780 }; | 
|  794  |  781  | 
|  795 }  // namespace content |  782 }  // namespace content | 
|  796  |  783  | 
|  797 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_ |  784 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_ | 
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