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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef COMPONENTS_SCHEDULER_CHILD_VIRTUAL_TIME_TQM_DELEGATE_H_ | |
| 6 #define COMPONENTS_SCHEDULER_CHILD_VIRTUAL_TIME_TQM_DELEGATE_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 | |
| 10 #include "base/macros.h" | |
| 11 #include "base/message_loop/message_loop.h" | |
| 12 #include "base/time/tick_clock.h" | |
| 13 #include "components/scheduler/child/scheduler_tqm_delegate.h" | |
| 14 #include "components/scheduler/scheduler_export.h" | |
| 15 | |
| 16 namespace scheduler { | |
| 17 | |
| 18 class SCHEDULER_EXPORT VirtualTimeTqmDelegate : public SchedulerTqmDelegate { | |
| 19 public: | |
| 20 // |message_loop| is not owned and must outlive the lifetime of this object. | |
| 21 static scoped_refptr<VirtualTimeTqmDelegate> Create( | |
| 22 base::MessageLoop* message_loop, | |
| 23 base::TimeTicks initial_now); | |
| 24 | |
| 25 // SchedulerTqmDelegate implementation | |
| 26 void SetDefaultTaskRunner( | |
| 27 scoped_refptr<base::SingleThreadTaskRunner> task_runner) override; | |
| 28 void RestoreDefaultTaskRunner() override; | |
| 29 bool PostDelayedTask(const tracked_objects::Location& from_here, | |
| 30 const base::Closure& task, | |
| 31 base::TimeDelta delay) override; | |
| 32 bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here, | |
| 33 const base::Closure& task, | |
| 34 base::TimeDelta delay) override; | |
| 35 bool RunsTasksOnCurrentThread() const override; | |
| 36 bool IsNested() const override; | |
| 37 base::TimeTicks NowTicks() override; | |
| 38 void OnNoMoreImmediateWork() override; | |
| 39 double CurrentTimeSeconds() const override; | |
| 40 | |
| 41 protected: | |
| 42 ~VirtualTimeTqmDelegate() override; | |
| 43 | |
| 44 private: | |
| 45 explicit VirtualTimeTqmDelegate(base::MessageLoop* message_loop, | |
| 46 base::TimeTicks initial_no); | |
| 47 | |
| 48 void AdvancedTimeTo(base::TimeTicks now); | |
| 49 | |
| 50 typedef std::multimap<base::TimeTicks, base::Closure> DelayedWakeupMultimap; | |
| 51 | |
| 52 DelayedWakeupMultimap delayed_wakeup_multimap_; | |
| 53 | |
| 54 // Not owned. | |
| 55 base::MessageLoop* message_loop_; | |
| 56 scoped_refptr<SingleThreadTaskRunner> message_loop_task_runner_; | |
| 57 base::TimeTicks now_; | |
| 58 | |
| 59 DISALLOW_COPY_AND_ASSIGN(VirtualTimeTqmDelegate); | |
| 60 }; | |
| 61 | |
| 62 } // namespace scheduler | |
| 63 | |
| 64 #endif // COMPONENTS_SCHEDULER_CHILD_VIRTUAL_TIME_TQM_DELEGATE_H_ | |
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Chromium Code Reviews
Issue 1652083002:
Prepare for per-webview virtual time (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master