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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 COMPONENTS_SCHEDULER_BASE_NESTABLE_SINGLE_THREAD_TASK_RUNNER_H_ | 5 #ifndef COMPONENTS_SCHEDULER_BASE_NESTABLE_SINGLE_THREAD_TASK_RUNNER_H_ |
6 #define COMPONENTS_SCHEDULER_BASE_NESTABLE_SINGLE_THREAD_TASK_RUNNER_H_ | 6 #define COMPONENTS_SCHEDULER_BASE_NESTABLE_SINGLE_THREAD_TASK_RUNNER_H_ |
7 | 7 |
8 #include "base/message_loop/message_loop.h" | |
8 #include "base/single_thread_task_runner.h" | 9 #include "base/single_thread_task_runner.h" |
9 #include "base/message_loop/message_loop.h" | 10 #include "base/time/tick_clock.h" |
10 #include "components/scheduler/scheduler_export.h" | 11 #include "components/scheduler/scheduler_export.h" |
11 | 12 |
12 namespace scheduler { | 13 namespace scheduler { |
13 | 14 |
14 // A single thread task runner which exposes whether it is running nested. | 15 // A single thread task runner which exposes whether it is running nested. |
15 class SCHEDULER_EXPORT NestableSingleThreadTaskRunner | 16 class SCHEDULER_EXPORT NestableSingleThreadTaskRunner |
Sami
2015/10/28 20:00:34
I think this interface needs a better name now tha
alex clarke (OOO till 29th)
2015/10/29 18:07:30
Done.
| |
16 : public base::SingleThreadTaskRunner { | 17 : public base::SingleThreadTaskRunner, |
18 public base::TickClock { | |
17 public: | 19 public: |
18 NestableSingleThreadTaskRunner() {} | 20 NestableSingleThreadTaskRunner() {} |
19 | 21 |
20 // Returns true if the task runner is nested (i.e., running a run loop within | 22 // Returns true if the task runner is nested (i.e., running a run loop within |
21 // a nested task). | 23 // a nested task). |
22 virtual bool IsNested() const = 0; | 24 virtual bool IsNested() const = 0; |
23 | 25 |
26 // Used by the TaskQueueManager to tell us there is no more non-delayed work | |
27 // to do. | |
28 virtual void OnNoMoreWork() = 0; | |
Sami
2015/10/28 20:00:34
I think it's a little weird that this method is he
alex clarke (OOO till 29th)
2015/10/29 18:07:30
Turns out to be really hard to get the interface r
| |
29 | |
24 protected: | 30 protected: |
25 ~NestableSingleThreadTaskRunner() override {} | 31 ~NestableSingleThreadTaskRunner() override {} |
26 | 32 |
27 DISALLOW_COPY_AND_ASSIGN(NestableSingleThreadTaskRunner); | 33 DISALLOW_COPY_AND_ASSIGN(NestableSingleThreadTaskRunner); |
28 }; | 34 }; |
29 | 35 |
30 } // namespace scheduler | 36 } // namespace scheduler |
31 | 37 |
32 #endif // COMPONENTS_SCHEDULER_BASE_NESTABLE_SINGLE_THREAD_TASK_RUNNER_H_ | 38 #endif // COMPONENTS_SCHEDULER_BASE_NESTABLE_SINGLE_THREAD_TASK_RUNNER_H_ |
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