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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_RESOURCES_TILING_SET_EVICTION_QUEUE_H_
#define CC_RESOURCES_TILING_SET_EVICTION_QUEUE_H_
#include "cc/base/cc_export.h"
#include "cc/resources/picture_layer_tiling_set.h"
namespace cc {
class CC_EXPORT TilingSetEvictionQueue {
public:
TilingSetEvictionQueue();
TilingSetEvictionQueue(PictureLayerTilingSet* tiling_set,
TreePriority tree_priority);
~TilingSetEvictionQueue();
Tile* Top();
const Tile* Top() const;
void Pop();
bool IsEmpty() const;
private:
bool AdvanceToNextCategory();
bool AdvanceToNextEvictionTile();
bool AdvanceToNextTilingRangeType();
bool AdvanceToNextValidTiling();
PictureLayerTilingSet::TilingRange CurrentTilingRange() const;
size_t CurrentTilingIndex() const;
PictureLayerTilingSet* tiling_set_;
TreePriority tree_priority_;
PictureLayerTiling::EvictionCategory current_category_;
size_t current_tiling_index_;
PictureLayerTilingSet::TilingRangeType current_tiling_range_type_;
Tile* current_eviction_tile_;
const std::vector<Tile*>* eviction_tiles_;
size_t next_eviction_tile_index_;
};
} // namespace cc
#endif // CC_RESOURCES_TILING_SET_RASTER_QUEUE_H_
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