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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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35 #include "WebTopControlsState.h" | 35 #include "WebTopControlsState.h" |
36 | 36 |
37 class SkBitmap; | 37 class SkBitmap; |
38 | 38 |
39 namespace blink { | 39 namespace blink { |
40 | 40 |
41 class WebCompositeAndReadbackAsyncCallback; | 41 class WebCompositeAndReadbackAsyncCallback; |
42 class WebLayer; | 42 class WebLayer; |
43 struct WebPoint; | 43 struct WebPoint; |
44 struct WebSelectionBound; | 44 struct WebSelectionBound; |
| 45 class WebSelection; |
45 class WebWidget; | 46 class WebWidget; |
46 | 47 |
47 class WebLayerTreeView { | 48 class WebLayerTreeView { |
48 public: | 49 public: |
49 virtual ~WebLayerTreeView() { } | 50 virtual ~WebLayerTreeView() { } |
50 | 51 |
51 // Initialization and lifecycle -------------------------------------- | 52 // Initialization and lifecycle -------------------------------------- |
52 | 53 |
53 // Sets the root of the tree. The root is set by way of the constructor. | 54 // Sets the root of the tree. The root is set by way of the constructor. |
54 virtual void setRootLayer(const WebLayer&) = 0; | 55 virtual void setRootLayer(const WebLayer&) = 0; |
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123 | 124 |
124 // Identify key layers to the compositor when using the pinch virtual viewpo
rt. | 125 // Identify key layers to the compositor when using the pinch virtual viewpo
rt. |
125 virtual void registerViewportLayers( | 126 virtual void registerViewportLayers( |
126 const WebLayer* overscrollElasticityLayer, | 127 const WebLayer* overscrollElasticityLayer, |
127 const WebLayer* pageScaleLayer, | 128 const WebLayer* pageScaleLayer, |
128 const WebLayer* innerViewportScrollLayer, | 129 const WebLayer* innerViewportScrollLayer, |
129 const WebLayer* outerViewportScrollLayer) { } | 130 const WebLayer* outerViewportScrollLayer) { } |
130 virtual void clearViewportLayers() { } | 131 virtual void clearViewportLayers() { } |
131 | 132 |
132 // Used to update the active selection bounds. | 133 // Used to update the active selection bounds. |
133 // If the (empty) selection is an insertion point, |start| and |end| will be
identical with type |Caret|. | 134 // FIXME: Remove this overload when downstream consumers have been updated t
o use WebSelection, crbug.com/466672. |
134 // If the (non-empty) selection has mixed RTL/LTR text, |start| and |end| ma
y share the same type, | |
135 // |SelectionLeft| or |SelectionRight|. | |
136 virtual void registerSelection(const WebSelectionBound& start, const WebSele
ctionBound& end) { } | 135 virtual void registerSelection(const WebSelectionBound& start, const WebSele
ctionBound& end) { } |
| 136 virtual void registerSelection(const WebSelection&) { } |
137 virtual void clearSelection() { } | 137 virtual void clearSelection() { } |
138 | 138 |
139 // Debugging / dangerous --------------------------------------------- | 139 // Debugging / dangerous --------------------------------------------- |
140 | 140 |
141 // Toggles the FPS counter in the HUD layer | 141 // Toggles the FPS counter in the HUD layer |
142 virtual void setShowFPSCounter(bool) { } | 142 virtual void setShowFPSCounter(bool) { } |
143 | 143 |
144 // Toggles the paint rects in the HUD layer | 144 // Toggles the paint rects in the HUD layer |
145 virtual void setShowPaintRects(bool) { } | 145 virtual void setShowPaintRects(bool) { } |
146 | 146 |
147 // Toggles the debug borders on layers | 147 // Toggles the debug borders on layers |
148 virtual void setShowDebugBorders(bool) { } | 148 virtual void setShowDebugBorders(bool) { } |
149 | 149 |
150 // Toggles continuous painting | 150 // Toggles continuous painting |
151 virtual void setContinuousPaintingEnabled(bool) { } | 151 virtual void setContinuousPaintingEnabled(bool) { } |
152 | 152 |
153 // Toggles scroll bottleneck rects on the HUD layer | 153 // Toggles scroll bottleneck rects on the HUD layer |
154 virtual void setShowScrollBottleneckRects(bool) { } | 154 virtual void setShowScrollBottleneckRects(bool) { } |
155 }; | 155 }; |
156 | 156 |
157 } // namespace blink | 157 } // namespace blink |
158 | 158 |
159 #endif // WebLayerTreeView_h | 159 #endif // WebLayerTreeView_h |
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