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// Copyright 2013 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_PRIORITIZED_TILE_SET_H_
#define CC_RESOURCES_PRIORITIZED_TILE_SET_H_
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "cc/base/cc_export.h"
#include "cc/resources/managed_tile_state.h"
namespace cc {
class Tile;
class CC_EXPORT PrioritizedTileSet {
public:
PrioritizedTileSet();
~PrioritizedTileSet();
void InsertTile(Tile* tile, ManagedTileBin bin);
void Clear();
void Sort();
class CC_EXPORT PriorityIterator {
public:
explicit PriorityIterator(PrioritizedTileSet* set);
~PriorityIterator();
PriorityIterator& operator++();
Tile* operator->() { return *(*this); }
Tile* operator*();
operator bool() const {
return iterator_ != tile_set_->tiles_[current_bin_].end();
}
private:
void AdvanceList();
PrioritizedTileSet* tile_set_;
ManagedTileBin current_bin_;
std::vector<scoped_refptr<Tile> >::iterator iterator_;
};
private:
friend class PriorityIterator;
typedef scoped_refptr<Tile> TileRef;
std::vector<TileRef> tiles_[NUM_BINS];
};
} // namespace cc
#endif // CC_RESOURCES_PRIORITIZED_TILE_SET_H_
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