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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 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 CC_LAYERS_CONTENT_LAYER_CLIENT_H_ | 5 #ifndef CC_LAYERS_CONTENT_LAYER_CLIENT_H_ |
6 #define CC_LAYERS_CONTENT_LAYER_CLIENT_H_ | 6 #define CC_LAYERS_CONTENT_LAYER_CLIENT_H_ |
7 | 7 |
8 #include "cc/base/cc_export.h" | 8 #include "cc/base/cc_export.h" |
9 #include "cc/playback/display_item_list.h" | 9 #include "cc/playback/display_item_list.h" |
10 | 10 |
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23 DISPLAY_LIST_PAINTING_DISABLED | 23 DISPLAY_LIST_PAINTING_DISABLED |
24 }; | 24 }; |
25 | 25 |
26 // The paintable region is the rectangular region, within the bounds of the | 26 // The paintable region is the rectangular region, within the bounds of the |
27 // layer this client paints, that the client is capable of painting via | 27 // layer this client paints, that the client is capable of painting via |
28 // paintContents(). Calling paintContents() will return a DisplayItemList | 28 // paintContents(). Calling paintContents() will return a DisplayItemList |
29 // that is guaranteed valid only within this region. | 29 // that is guaranteed valid only within this region. |
30 virtual gfx::Rect PaintableRegion() = 0; | 30 virtual gfx::Rect PaintableRegion() = 0; |
31 | 31 |
32 virtual scoped_refptr<DisplayItemList> PaintContentsToDisplayList( | 32 virtual scoped_refptr<DisplayItemList> PaintContentsToDisplayList( |
33 const gfx::Rect& clip, | |
34 PaintingControlSetting painting_status) = 0; | 33 PaintingControlSetting painting_status) = 0; |
35 | 34 |
36 // If true the layer may skip clearing the background before rasterizing, | 35 // If true the layer may skip clearing the background before rasterizing, |
37 // because it will cover any uncleared data with content. | 36 // because it will cover any uncleared data with content. |
38 virtual bool FillsBoundsCompletely() const = 0; | 37 virtual bool FillsBoundsCompletely() const = 0; |
39 | 38 |
40 // Returns an estimate of the current memory usage within this object, | 39 // Returns an estimate of the current memory usage within this object, |
41 // excluding memory shared with painting artifacts (i.e., | 40 // excluding memory shared with painting artifacts (i.e., |
42 // DisplayItemList). Should be invoked after PaintContentsToDisplayList, | 41 // DisplayItemList). Should be invoked after PaintContentsToDisplayList, |
43 // so that the result includes data cached internally during painting. | 42 // so that the result includes data cached internally during painting. |
44 virtual size_t GetApproximateUnsharedMemoryUsage() const = 0; | 43 virtual size_t GetApproximateUnsharedMemoryUsage() const = 0; |
45 | 44 |
46 protected: | 45 protected: |
47 virtual ~ContentLayerClient() {} | 46 virtual ~ContentLayerClient() {} |
48 }; | 47 }; |
49 | 48 |
50 } // namespace cc | 49 } // namespace cc |
51 | 50 |
52 #endif // CC_LAYERS_CONTENT_LAYER_CLIENT_H_ | 51 #endif // CC_LAYERS_CONTENT_LAYER_CLIENT_H_ |
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