Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 1 | // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef CC_RESOURCES_PRIORITIZED_TILE_SET_H_ |
| 6 | #define CC_RESOURCES_PRIORITIZED_TILE_SET_H_ |
| 7 | |
| 8 | #include <vector> |
| 9 | |
| 10 | #include "base/memory/ref_counted.h" |
| 11 | #include "base/memory/scoped_ptr.h" |
| 12 | #include "cc/base/cc_export.h" |
| 13 | #include "cc/resources/managed_tile_state.h" |
| 14 | |
| 15 | namespace cc { |
| 16 | class Tile; |
| 17 | |
| 18 | class CC_EXPORT PrioritizedTileSet { |
| 19 | public: |
| 20 | PrioritizedTileSet(); |
| 21 | ~PrioritizedTileSet(); |
| 22 | |
| 23 | void InsertTile(Tile* tile, ManagedTileBin bin); |
| 24 | void Clear(); |
| 25 | void Sort(); |
| 26 | |
| 27 | class CC_EXPORT PriorityIterator { |
| 28 | public: |
| 29 | explicit PriorityIterator(PrioritizedTileSet* set); |
| 30 | ~PriorityIterator(); |
| 31 | |
| 32 | PriorityIterator& operator++(); |
| 33 | Tile* operator->() { return *(*this); } |
| 34 | Tile* operator*(); |
| 35 | operator bool() const { |
| 36 | return iterator_ != tile_set_->tiles_[current_bin_].end(); |
| 37 | } |
| 38 | |
| 39 | private: |
| 40 | void AdvanceList(); |
| 41 | |
| 42 | PrioritizedTileSet* tile_set_; |
| 43 | ManagedTileBin current_bin_; |
| 44 | std::vector<scoped_refptr<Tile> >::iterator iterator_; |
| 45 | }; |
| 46 | |
| 47 | private: |
| 48 | friend class PriorityIterator; |
| 49 | |
| 50 | typedef scoped_refptr<Tile> TileRef; |
| 51 | std::vector<TileRef> tiles_[NUM_BINS]; |
| 52 | }; |
| 53 | |
| 54 | } // namespace cc |
| 55 | |
| 56 | #endif // CC_RESOURCES_PRIORITIZED_TILE_SET_H_ |