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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_RASTER_WORKER_POOL_H_
#define CC_RESOURCES_RASTER_WORKER_POOL_H_

#include <string>

#include "cc/base/worker_pool.h"

namespace cc {
class PicturePileImpl;

// A worker thread pool that runs raster tasks.
class CC_EXPORT RasterWorkerPool : public WorkerPool {
 public:
  typedef base::Callback<void(PicturePileImpl* picture_pile)> RasterCallback;

  virtual ~RasterWorkerPool();

  static scoped_ptr<RasterWorkerPool> Create(size_t num_threads) {
    return make_scoped_ptr(new RasterWorkerPool(num_threads));
  }

  void PostRasterTaskAndReply(PicturePileImpl* picture_pile,
                              const RasterCallback& task,
                              const base::Closure& reply);

 private:
  explicit RasterWorkerPool(size_t num_threads);

  DISALLOW_COPY_AND_ASSIGN(RasterWorkerPool);
};

}  // namespace cc

#endif  // CC_RESOURCES_RASTER_WORKER_POOL_H_