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1 // Copyright 2014 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_EVICTION_TILE_PRIORITY_QUEUE_H_ | |
6 #define CC_RESOURCES_EVICTION_TILE_PRIORITY_QUEUE_H_ | |
7 | |
8 #include <set> | |
9 #include <utility> | |
10 #include <vector> | |
11 | |
12 #include "cc/base/cc_export.h" | |
13 #include "cc/layers/picture_layer_impl.h" | |
14 #include "cc/resources/tile_priority.h" | |
15 #include "cc/resources/tiling_set_eviction_queue.h" | |
16 | |
17 namespace cc { | |
18 class PrioritizedTile; | |
19 | |
20 class CC_EXPORT EvictionTilePriorityQueue { | |
21 public: | |
22 EvictionTilePriorityQueue(); | |
23 ~EvictionTilePriorityQueue(); | |
24 | |
25 void Build(const std::vector<PictureLayerImpl*>& active_layers, | |
26 const std::vector<PictureLayerImpl*>& pending_layers, | |
27 TreePriority tree_priority); | |
28 | |
29 bool IsEmpty() const; | |
30 const PrioritizedTile& Top() const; | |
31 void Pop(); | |
32 | |
33 private: | |
34 ScopedPtrVector<TilingSetEvictionQueue>& GetNextQueues(); | |
35 const ScopedPtrVector<TilingSetEvictionQueue>& GetNextQueues() const; | |
36 | |
37 ScopedPtrVector<TilingSetEvictionQueue> active_queues_; | |
38 ScopedPtrVector<TilingSetEvictionQueue> pending_queues_; | |
39 TreePriority tree_priority_; | |
40 | |
41 DISALLOW_COPY_AND_ASSIGN(EvictionTilePriorityQueue); | |
42 }; | |
43 | |
44 } // namespace cc | |
45 | |
46 #endif // CC_RESOURCES_EVICTION_TILE_PRIORITY_QUEUE_H_ | |
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