| Jesse McKenna | b85e25b | 2018-11-27 21:37:02 | [diff] [blame^] | 1 | // Copyright 2018 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef BASE_UPDATEABLE_SEQUENCED_TASK_RUNNER_H_ |
| 6 | #define BASE_UPDATEABLE_SEQUENCED_TASK_RUNNER_H_ |
| 7 | |
| 8 | #include "base/sequenced_task_runner.h" |
| 9 | #include "base/task/task_traits.h" |
| 10 | |
| 11 | namespace base { |
| 12 | |
| 13 | // A SequencedTaskRunner whose posted tasks' priorities can be updated. |
| 14 | class BASE_EXPORT UpdateableSequencedTaskRunner : public SequencedTaskRunner { |
| 15 | public: |
| 16 | // Updates the priority for tasks posted through this TaskRunner to |
| 17 | // |priority|. |
| 18 | virtual void UpdatePriority(TaskPriority priority) = 0; |
| 19 | |
| 20 | protected: |
| 21 | UpdateableSequencedTaskRunner() = default; |
| 22 | ~UpdateableSequencedTaskRunner() override = default; |
| 23 | |
| 24 | DISALLOW_COPY_AND_ASSIGN(UpdateableSequencedTaskRunner); |
| 25 | }; |
| 26 | |
| 27 | } // namespace base |
| 28 | |
| 29 | #endif // BASE_UPDATEABLE_SEQUENCED_TASK_RUNNER_H_ |
