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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_IMAGE_RASTER_WORKER_POOL_H_
#define CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_
#include "cc/resources/raster_worker_pool.h"
namespace cc {
class CC_EXPORT ImageRasterWorkerPool : public RasterWorkerPool {
public:
virtual ~ImageRasterWorkerPool();
static scoped_ptr<RasterWorkerPool> Create(
ResourceProvider* resource_provider, size_t num_threads) {
return make_scoped_ptr<RasterWorkerPool>(
new ImageRasterWorkerPool(resource_provider, num_threads));
}
// Overridden from RasterWorkerPool:
virtual void ScheduleTasks(RasterTask::Queue* queue) OVERRIDE;
virtual ResourceFormat GetResourceFormat() const OVERRIDE;
virtual void OnRasterTasksFinished() OVERRIDE;
virtual void OnRasterTasksRequiredForActivationFinished() OVERRIDE;
private:
ImageRasterWorkerPool(ResourceProvider* resource_provider,
size_t num_threads);
void OnRasterTaskCompleted(
scoped_refptr<internal::RasterWorkerPoolTask> task, bool was_canceled);
scoped_ptr<base::Value> StateAsValue() const;
static void CreateGraphNodeForImageTask(
internal::WorkerPoolTask* image_task,
const TaskVector& decode_tasks,
unsigned priority,
bool is_required_for_activation,
internal::GraphNode* raster_required_for_activation_finished_node,
internal::GraphNode* raster_finished_node,
TaskGraph* graph);
TaskMap image_tasks_;
bool raster_tasks_pending_;
bool raster_tasks_required_for_activation_pending_;
DISALLOW_COPY_AND_ASSIGN(ImageRasterWorkerPool);
};
} // namespace cc
#endif // CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_
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