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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_PICTURE_LAYER_TILING_H_ | 5 #ifndef CC_PICTURE_LAYER_TILING_H_ |
6 #define CC_PICTURE_LAYER_TILING_H_ | 6 #define CC_PICTURE_LAYER_TILING_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/hash_tables.h" | 9 #include "base/hash_tables.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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24 public: | 24 public: |
25 // Create a tile at the given content_rect (in the contents scale of the | 25 // Create a tile at the given content_rect (in the contents scale of the |
26 // tiling) This might return null if the client cannot create such a tile. | 26 // tiling) This might return null if the client cannot create such a tile. |
27 virtual scoped_refptr<Tile> CreateTile( | 27 virtual scoped_refptr<Tile> CreateTile( |
28 PictureLayerTiling* tiling, | 28 PictureLayerTiling* tiling, |
29 gfx::Rect content_rect) = 0; | 29 gfx::Rect content_rect) = 0; |
30 virtual void UpdatePile(Tile* tile) = 0; | 30 virtual void UpdatePile(Tile* tile) = 0; |
31 virtual gfx::Size CalculateTileSize( | 31 virtual gfx::Size CalculateTileSize( |
32 gfx::Size current_tile_size, | 32 gfx::Size current_tile_size, |
33 gfx::Size content_bounds) = 0; | 33 gfx::Size content_bounds) = 0; |
| 34 |
| 35 protected: |
| 36 virtual ~PictureLayerTilingClient() { } |
34 }; | 37 }; |
35 | 38 |
36 class CC_EXPORT PictureLayerTiling { | 39 class CC_EXPORT PictureLayerTiling { |
37 public: | 40 public: |
38 ~PictureLayerTiling(); | 41 ~PictureLayerTiling(); |
39 | 42 |
40 // Create a tiling with no tiles. CreateTiles must be called to add some. | 43 // Create a tiling with no tiles. CreateTiles must be called to add some. |
41 static scoped_ptr<PictureLayerTiling> Create(float contents_scale); | 44 static scoped_ptr<PictureLayerTiling> Create(float contents_scale); |
42 scoped_ptr<PictureLayerTiling> Clone() const; | 45 scoped_ptr<PictureLayerTiling> Clone() const; |
43 | 46 |
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156 TileResolution resolution_; | 159 TileResolution resolution_; |
157 int last_source_frame_number_; | 160 int last_source_frame_number_; |
158 double last_impl_frame_time_; | 161 double last_impl_frame_time_; |
159 | 162 |
160 friend class Iterator; | 163 friend class Iterator; |
161 }; | 164 }; |
162 | 165 |
163 } // namespace cc | 166 } // namespace cc |
164 | 167 |
165 #endif // CC_PICTURE_LAYER_TILING_H_ | 168 #endif // CC_PICTURE_LAYER_TILING_H_ |
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