| // Copyright 2014 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 CONTENT_RENDERER_SCHEDULER_TASK_QUEUE_SELECTOR_H_ |
| #define CONTENT_RENDERER_SCHEDULER_TASK_QUEUE_SELECTOR_H_ |
| |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| |
| namespace base { |
| class TaskQueue; |
| } |
| |
| namespace content { |
| |
| class TaskQueueSelector { |
| public: |
| virtual ~TaskQueueSelector() {} |
| |
| // Called once to register the work queues to be selected from. This function |
| // is called on the main thread. |
| virtual void RegisterWorkQueues( |
| const std::vector<const base::TaskQueue*>& work_queues) = 0; |
| |
| // Called to choose the work queue from which the next task should be taken |
| // and run. Return true if |out_queue| indicates the queue to service or |
| // false to avoid running any task. |
| // |
| // This function is called on the main thread. |
| virtual bool SelectWorkQueueToService(size_t* out_queue_index) = 0; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_SCHEDULER_TASK_QUEUE_SELECTOR_H_ |