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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 CONTENT_RENDERER_SCHEDULER_TASK_QUEUE_MANAGER_H_ | 5 #ifndef CONTENT_RENDERER_SCHEDULER_TASK_QUEUE_MANAGER_H_ |
6 #define CONTENT_RENDERER_SCHEDULER_TASK_QUEUE_MANAGER_H_ | 6 #define CONTENT_RENDERER_SCHEDULER_TASK_QUEUE_MANAGER_H_ |
7 | 7 |
8 #include "base/atomic_sequence_num.h" | 8 #include "base/atomic_sequence_num.h" |
9 #include "base/debug/task_annotator.h" | 9 #include "base/debug/task_annotator.h" |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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152 // back to the main message loop -- at the cost of potentially delaying other | 152 // back to the main message loop -- at the cost of potentially delaying other |
153 // tasks posted to the main loop. The batch size is 1 by default. | 153 // tasks posted to the main loop. The batch size is 1 by default. |
154 void SetWorkBatchSize(int work_batch_size); | 154 void SetWorkBatchSize(int work_batch_size); |
155 | 155 |
156 // These functions can only be called on the same thread that the task queue | 156 // These functions can only be called on the same thread that the task queue |
157 // manager executes its tasks on. | 157 // manager executes its tasks on. |
158 void AddTaskObserver(base::MessageLoop::TaskObserver* task_observer); | 158 void AddTaskObserver(base::MessageLoop::TaskObserver* task_observer); |
159 void RemoveTaskObserver(base::MessageLoop::TaskObserver* task_observer); | 159 void RemoveTaskObserver(base::MessageLoop::TaskObserver* task_observer); |
160 | 160 |
161 void SetTimeSourceForTesting(scoped_ptr<TimeSource> time_source); | 161 void SetTimeSourceForTesting(scoped_ptr<TimeSource> time_source); |
| 162 TimeSource* GetTimeSourceForTesting(); |
162 | 163 |
163 // Returns a bitmap where a bit is set iff a task on the corresponding queue | 164 // Returns a bitmap where a bit is set iff a task on the corresponding queue |
164 // was run since the last call to GetAndClearTaskWasRunOnQueueBitmap. | 165 // was run since the last call to GetAndClearTaskWasRunOnQueueBitmap. |
165 uint64 GetAndClearTaskWasRunOnQueueBitmap(); | 166 uint64 GetAndClearTaskWasRunOnQueueBitmap(); |
166 | 167 |
167 private: | 168 private: |
168 // TaskQueueSelector::Observer implementation: | 169 // TaskQueueSelector::Observer implementation: |
169 void OnTaskQueueEnabled() override; | 170 void OnTaskQueueEnabled() override; |
170 | 171 |
171 friend class internal::LazyNow; | 172 friend class internal::LazyNow; |
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256 | 257 |
257 scoped_refptr<DeletionSentinel> deletion_sentinel_; | 258 scoped_refptr<DeletionSentinel> deletion_sentinel_; |
258 base::WeakPtrFactory<TaskQueueManager> weak_factory_; | 259 base::WeakPtrFactory<TaskQueueManager> weak_factory_; |
259 | 260 |
260 DISALLOW_COPY_AND_ASSIGN(TaskQueueManager); | 261 DISALLOW_COPY_AND_ASSIGN(TaskQueueManager); |
261 }; | 262 }; |
262 | 263 |
263 } // namespace scheduler | 264 } // namespace scheduler |
264 | 265 |
265 #endif // CONTENT_RENDERER_SCHEDULER_TASK_QUEUE_MANAGER_H_ | 266 #endif // CONTENT_RENDERER_SCHEDULER_TASK_QUEUE_MANAGER_H_ |
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