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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_TILES_EVICTION_TILE_PRIORITY_QUEUE_H_
#define CC_TILES_EVICTION_TILE_PRIORITY_QUEUE_H_
#include <memory>
#include <set>
#include <utility>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "cc/cc_export.h"
#include "cc/layers/picture_layer_impl.h"
#include "cc/tiles/tile_priority.h"
#include "cc/tiles/tiling_set_eviction_queue.h"
namespace cc {
class PrioritizedTile;
class CC_EXPORT EvictionTilePriorityQueue {
public:
EvictionTilePriorityQueue();
EvictionTilePriorityQueue(const EvictionTilePriorityQueue&) = delete;
~EvictionTilePriorityQueue();
EvictionTilePriorityQueue& operator=(const EvictionTilePriorityQueue&) =
delete;
void Build(const std::vector<raw_ptr<PictureLayerImpl, VectorExperimental>>&
active_layers,
const std::vector<raw_ptr<PictureLayerImpl, VectorExperimental>>&
pending_layers,
TreePriority tree_priority);
bool IsEmpty() const;
const PrioritizedTile& Top() const;
void Pop();
private:
std::vector<std::unique_ptr<TilingSetEvictionQueue>>& GetNextQueues();
const std::vector<std::unique_ptr<TilingSetEvictionQueue>>& GetNextQueues()
const;
std::vector<std::unique_ptr<TilingSetEvictionQueue>> active_queues_;
std::vector<std::unique_ptr<TilingSetEvictionQueue>> pending_queues_;
TreePriority tree_priority_;
};
} // namespace cc
#endif // CC_TILES_EVICTION_TILE_PRIORITY_QUEUE_H_