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_ 57
