OLD | NEW |
| (Empty) |
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_BASE_VIRTUAL_TIME_DOMAIN_H_ | |
6 #define COMPONENTS_SCHEDULER_BASE_VIRTUAL_TIME_DOMAIN_H_ | |
7 | |
8 #include "base/callback.h" | |
9 #include "base/macros.h" | |
10 #include "components/scheduler/base/time_domain.h" | |
11 #include "components/scheduler/scheduler_export.h" | |
12 | |
13 namespace scheduler { | |
14 class TaskQueueManagerDelegate; | |
15 | |
16 class SCHEDULER_EXPORT VirtualTimeDomain : public TimeDomain { | |
17 public: | |
18 VirtualTimeDomain(base::TimeTicks initial_time); | |
19 | |
20 // TimeDomain implementation: | |
21 LazyNow CreateLazyNow() override; | |
22 bool MaybeAdvanceTime() override; | |
23 const char* GetName() const override; | |
24 | |
25 // Advances this time domain to |now|. NOTE |now| is supposed to be | |
26 // monotonically increasing. | |
27 void AdvanceTo(base::TimeTicks now); | |
28 | |
29 protected: | |
30 void RequestWakeup(base::TimeDelta delay) override; | |
31 void AsValueIntoInternal( | |
32 base::trace_event::TracedValue* state) const override; | |
33 | |
34 private: | |
35 mutable base::Lock lock_; // Protects |now_|. | |
36 base::TimeTicks now_; | |
37 | |
38 ~VirtualTimeDomain() override; | |
39 | |
40 DISALLOW_COPY_AND_ASSIGN(VirtualTimeDomain); | |
41 }; | |
42 | |
43 } // namespace scheduler | |
44 | |
45 #endif // COMPONENTS_SCHEDULER_BASE_VIRTUAL_TIME_DOMAIN_H_ | |
OLD | NEW |