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Side by Side Diff: cc/resources/picture_layer_tiling.h

Issue 13051003: cpplint.py pass on cc/(base|debug|quads|resources)/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fix prioritized_resource_unittest Created 7 years, 9 months ago
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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_RESOURCES_PICTURE_LAYER_TILING_H_ 5 #ifndef CC_RESOURCES_PICTURE_LAYER_TILING_H_
6 #define CC_RESOURCES_PICTURE_LAYER_TILING_H_ 6 #define CC_RESOURCES_PICTURE_LAYER_TILING_H_
7 7
8 #include <utility>
9 #include <vector>
10
8 #include "base/basictypes.h" 11 #include "base/basictypes.h"
9 #include "base/hash_tables.h" 12 #include "base/hash_tables.h"
10 #include "base/memory/scoped_ptr.h" 13 #include "base/memory/scoped_ptr.h"
11 #include "cc/base/cc_export.h" 14 #include "cc/base/cc_export.h"
12 #include "cc/base/hash_pair.h" 15 #include "cc/base/hash_pair.h"
13 #include "cc/base/region.h" 16 #include "cc/base/region.h"
14 #include "cc/base/tiling_data.h" 17 #include "cc/base/tiling_data.h"
15 #include "cc/resources/tile.h" 18 #include "cc/resources/tile.h"
16 #include "cc/resources/tile_priority.h" 19 #include "cc/resources/tile_priority.h"
17 #include "ui/gfx/rect.h" 20 #include "ui/gfx/rect.h"
18 21
19 namespace cc { 22 namespace cc {
20 23
21 class PictureLayerTiling; 24 class PictureLayerTiling;
22 25
23 class PictureLayerTilingClient { 26 class PictureLayerTilingClient {
24 public: 27 public:
25 // Create a tile at the given content_rect (in the contents scale of the 28 // 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. 29 // tiling) This might return null if the client cannot create such a tile.
27 virtual scoped_refptr<Tile> CreateTile( 30 virtual scoped_refptr<Tile> CreateTile(
28 PictureLayerTiling* tiling, 31 PictureLayerTiling* tiling,
29 gfx::Rect content_rect) = 0; 32 gfx::Rect content_rect) = 0;
30 virtual void UpdatePile(Tile* tile) = 0; 33 virtual void UpdatePile(Tile* tile) = 0;
31 virtual gfx::Size CalculateTileSize( 34 virtual gfx::Size CalculateTileSize(
32 gfx::Size current_tile_size, 35 gfx::Size current_tile_size,
33 gfx::Size content_bounds) = 0; 36 gfx::Size content_bounds) = 0;
37
38 protected:
39 virtual ~PictureLayerTilingClient() {}
34 }; 40 };
35 41
36 class CC_EXPORT PictureLayerTiling { 42 class CC_EXPORT PictureLayerTiling {
37 public: 43 public:
38 ~PictureLayerTiling(); 44 ~PictureLayerTiling();
39 45
40 // Create a tiling with no tiles. CreateTiles must be called to add some. 46 // Create a tiling with no tiles. CreateTiles must be called to add some.
41 static scoped_ptr<PictureLayerTiling> Create(float contents_scale); 47 static scoped_ptr<PictureLayerTiling> Create(float contents_scale);
42 scoped_ptr<PictureLayerTiling> Clone() const; 48 scoped_ptr<PictureLayerTiling> Clone() const;
43 49
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138 // The src_tree priority is reset to the lowest priority possible. This 144 // The src_tree priority is reset to the lowest priority possible. This
139 // also updates the pile on each tile to be the current client's pile. 145 // also updates the pile on each tile to be the current client's pile.
140 void DidBecomeActive(); 146 void DidBecomeActive();
141 147
142 scoped_ptr<base::Value> AsValue() const; 148 scoped_ptr<base::Value> AsValue() const;
143 149
144 protected: 150 protected:
145 typedef std::pair<int, int> TileMapKey; 151 typedef std::pair<int, int> TileMapKey;
146 typedef base::hash_map<TileMapKey, scoped_refptr<Tile> > TileMap; 152 typedef base::hash_map<TileMapKey, scoped_refptr<Tile> > TileMap;
147 153
148 PictureLayerTiling(float contents_scale); 154 explicit PictureLayerTiling(float contents_scale);
149 Tile* TileAt(int, int) const; 155 Tile* TileAt(int, int) const;
150 void CreateTilesFromContentRect(gfx::Rect layer_rect); 156 void CreateTilesFromContentRect(gfx::Rect layer_rect);
151 void CreateTile(int i, int j); 157 void CreateTile(int i, int j);
152 158
153 PictureLayerTilingClient* client_; 159 PictureLayerTilingClient* client_;
154 float contents_scale_; 160 float contents_scale_;
155 gfx::Size layer_bounds_; 161 gfx::Size layer_bounds_;
156 gfx::Rect last_prioritized_rect_; 162 gfx::Rect last_prioritized_rect_;
157 // It is not legal to have a NULL tile in the tiles_ map. 163 // It is not legal to have a NULL tile in the tiles_ map.
158 TileMap tiles_; 164 TileMap tiles_;
159 TilingData tiling_data_; 165 TilingData tiling_data_;
160 TileResolution resolution_; 166 TileResolution resolution_;
161 int last_source_frame_number_; 167 int last_source_frame_number_;
162 double last_impl_frame_time_; 168 double last_impl_frame_time_;
163 169
164 friend class Iterator; 170 friend class Iterator;
165 }; 171 };
166 172
167 } // namespace cc 173 } // namespace cc
168 174
169 #endif // CC_RESOURCES_PICTURE_LAYER_TILING_H_ 175 #endif // CC_RESOURCES_PICTURE_LAYER_TILING_H_
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