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// Copyright 2015 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_TILES_RASTER_TILE_PRIORITY_QUEUE_REQUIRED_H_
#define CC_TILES_RASTER_TILE_PRIORITY_QUEUE_REQUIRED_H_
#include <vector>
#include "cc/layers/picture_layer_impl.h"
#include "cc/tiles/raster_tile_priority_queue.h"
#include "cc/tiles/tiling_set_raster_queue_required.h"
namespace cc {
class PrioritizedTile;
class RasterTilePriorityQueueRequired : public RasterTilePriorityQueue {
public:
RasterTilePriorityQueueRequired();
~RasterTilePriorityQueueRequired() override;
bool IsEmpty() const override;
const PrioritizedTile& Top() const override;
void Pop() override;
private:
friend class RasterTilePriorityQueue;
void Build(const std::vector<PictureLayerImpl*>& active_layers,
const std::vector<PictureLayerImpl*>& pending_layers,
Type type);
void BuildRequiredForDraw(
const std::vector<PictureLayerImpl*>& active_layers);
void BuildRequiredForActivation(
const std::vector<PictureLayerImpl*>& active_layers,
const std::vector<PictureLayerImpl*>& pending_layers);
std::vector<scoped_ptr<TilingSetRasterQueueRequired>> tiling_set_queues_;
DISALLOW_COPY_AND_ASSIGN(RasterTilePriorityQueueRequired);
};
} // namespace cc
#endif // CC_TILES_RASTER_TILE_PRIORITY_QUEUE_REQUIRED_H_
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