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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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407 | 407 |
408 // When emulated, this returns original device scale factor. | 408 // When emulated, this returns original device scale factor. |
409 float GetOriginalDeviceScaleFactor() const; | 409 float GetOriginalDeviceScaleFactor() const; |
410 | 410 |
411 // Helper to convert |point| using ConvertWindowToViewport(). | 411 // Helper to convert |point| using ConvertWindowToViewport(). |
412 gfx::Point ConvertWindowPointToViewport(const gfx::Point& point); | 412 gfx::Point ConvertWindowPointToViewport(const gfx::Point& point); |
413 | 413 |
414 virtual void TransferActiveWheelFlingAnimation( | 414 virtual void TransferActiveWheelFlingAnimation( |
415 const blink::WebActiveWheelFlingParameters& params) {} | 415 const blink::WebActiveWheelFlingParameters& params) {} |
416 | 416 |
417 uint32_t GetContentSourceId(); | |
418 void IncrementContentSourceId(); | |
419 | |
420 protected: | 417 protected: |
421 // Friend RefCounted so that the dtor can be non-public. Using this class | 418 // Friend RefCounted so that the dtor can be non-public. Using this class |
422 // without ref-counting is an error. | 419 // without ref-counting is an error. |
423 friend class base::RefCounted<RenderWidget>; | 420 friend class base::RefCounted<RenderWidget>; |
424 | 421 |
425 // For unit tests. | 422 // For unit tests. |
426 friend class RenderWidgetTest; | 423 friend class RenderWidgetTest; |
427 | 424 |
428 enum ResizeAck { | 425 enum ResizeAck { |
429 SEND_RESIZE_ACK, | 426 SEND_RESIZE_ACK, |
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843 EditCommands edit_commands_; | 840 EditCommands edit_commands_; |
844 | 841 |
845 // This field stores drag/drop related info for the event that is currently | 842 // This field stores drag/drop related info for the event that is currently |
846 // being handled. If the current event results in starting a drag/drop | 843 // being handled. If the current event results in starting a drag/drop |
847 // session, this info is sent to the browser along with other drag/drop info. | 844 // session, this info is sent to the browser along with other drag/drop info. |
848 DragEventSourceInfo possible_drag_event_info_; | 845 DragEventSourceInfo possible_drag_event_info_; |
849 | 846 |
850 bool time_to_first_active_paint_recorded_; | 847 bool time_to_first_active_paint_recorded_; |
851 base::TimeTicks was_shown_time_; | 848 base::TimeTicks was_shown_time_; |
852 | 849 |
853 // This is initialized to zero and is incremented on each non-same-page | |
854 // navigation commit by RenderFrameImpl. At that time it is sent to the | |
855 // compositor so that it can tag compositor frames, and RenderFrameImpl is | |
856 // responsible for sending it to the browser process to be used to match | |
857 // each compositor frame to the most recent page navigation before it was | |
858 // generated. | |
859 // This only applies to main frames, and is not touched for subframe | |
860 // RenderWidgets, where there is no concern around displaying unloaded | |
861 // content. | |
862 // TODO(kenrb, fsamuel): This should be removed when SurfaceIDs can be used | |
863 // to replace it. See https://crbug.com/695579. | |
864 uint32_t current_content_source_id_; | |
865 | |
866 base::WeakPtrFactory<RenderWidget> weak_ptr_factory_; | 850 base::WeakPtrFactory<RenderWidget> weak_ptr_factory_; |
867 | 851 |
868 DISALLOW_COPY_AND_ASSIGN(RenderWidget); | 852 DISALLOW_COPY_AND_ASSIGN(RenderWidget); |
869 }; | 853 }; |
870 | 854 |
871 } // namespace content | 855 } // namespace content |
872 | 856 |
873 #endif // CONTENT_RENDERER_RENDER_WIDGET_H_ | 857 #endif // CONTENT_RENDERER_RENDER_WIDGET_H_ |
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