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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_ | 5 #ifndef MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_ |
6 #define MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_ | 6 #define MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "base/macros.h" | 11 #include "base/macros.h" |
12 #include "base/single_thread_task_runner.h" | 12 #include "base/single_thread_task_runner.h" |
13 #include "base/test/simple_test_tick_clock.h" | 13 #include "base/test/simple_test_tick_clock.h" |
14 | 14 |
15 namespace media { | 15 namespace media { |
16 | 16 |
17 class FakeSingleThreadTaskRunner : public base::SingleThreadTaskRunner { | 17 class FakeSingleThreadTaskRunner : public base::SingleThreadTaskRunner { |
18 public: | 18 public: |
19 explicit FakeSingleThreadTaskRunner(base::SimpleTestTickClock* clock); | 19 explicit FakeSingleThreadTaskRunner(base::SimpleTestTickClock* clock); |
20 | 20 |
21 void RunTasks(); | 21 void RunTasks(); |
22 | 22 |
23 // Note: Advances |clock_|. | 23 // Note: Advances |clock_|. |
24 void Sleep(base::TimeDelta t); | 24 void Sleep(base::TimeDelta t); |
25 | 25 |
26 // base::SingleThreadTaskRunner implementation. | 26 // base::SingleThreadTaskRunner implementation. |
27 bool PostDelayedTask(const tracked_objects::Location& from_here, | 27 bool PostDelayedTask(const tracked_objects::Location& from_here, |
28 const base::Closure& task, | 28 base::Closure task, |
29 base::TimeDelta delay) final; | 29 base::TimeDelta delay) final; |
30 | 30 |
31 bool RunsTasksOnCurrentThread() const final; | 31 bool RunsTasksOnCurrentThread() const final; |
32 | 32 |
33 // This function is currently not used, and will return false. | 33 // This function is currently not used, and will return false. |
34 bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here, | 34 bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here, |
35 const base::Closure& task, | 35 base::Closure task, |
36 base::TimeDelta delay) final; | 36 base::TimeDelta delay) final; |
37 | 37 |
38 protected: | 38 protected: |
39 ~FakeSingleThreadTaskRunner() final; | 39 ~FakeSingleThreadTaskRunner() final; |
40 | 40 |
41 private: | 41 private: |
42 base::SimpleTestTickClock* const clock_; | 42 base::SimpleTestTickClock* const clock_; |
43 | 43 |
44 // A compound key is used to ensure FIFO execution of delayed tasks scheduled | 44 // A compound key is used to ensure FIFO execution of delayed tasks scheduled |
45 // for the same point-in-time. The second part of the key is simply a FIFO | 45 // for the same point-in-time. The second part of the key is simply a FIFO |
46 // sequence number. | 46 // sequence number. |
47 using TaskKey = std::pair<base::TimeTicks, unsigned int>; | 47 using TaskKey = std::pair<base::TimeTicks, unsigned int>; |
48 | 48 |
49 // Note: The std::map data structure was chosen because the entire | 49 // Note: The std::map data structure was chosen because the entire |
50 // cast_unittests suite performed 20% faster than when using | 50 // cast_unittests suite performed 20% faster than when using |
51 // std::priority_queue. http://crbug.com/530842 | 51 // std::priority_queue. http://crbug.com/530842 |
52 std::map<TaskKey, base::Closure> tasks_; | 52 std::map<TaskKey, base::Closure> tasks_; |
53 | 53 |
54 bool fail_on_next_task_; | 54 bool fail_on_next_task_; |
55 | 55 |
56 DISALLOW_COPY_AND_ASSIGN(FakeSingleThreadTaskRunner); | 56 DISALLOW_COPY_AND_ASSIGN(FakeSingleThreadTaskRunner); |
57 }; | 57 }; |
58 | 58 |
59 } // namespace media | 59 } // namespace media |
60 | 60 |
61 #endif // MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_ | 61 #endif // MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_ |
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