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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CC_SCHEDULER_VSYNC_TIME_SOURCE_H_ | 5 #ifndef CC_SCHEDULER_VSYNC_TIME_SOURCE_H_ |
6 #define CC_SCHEDULER_VSYNC_TIME_SOURCE_H_ | 6 #define CC_SCHEDULER_VSYNC_TIME_SOURCE_H_ |
7 | 7 |
8 #include "cc/base/cc_export.h" | 8 #include "cc/base/cc_export.h" |
9 #include "cc/scheduler/time_source.h" | 9 #include "cc/scheduler/time_source.h" |
10 | 10 |
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26 virtual void RequestVSyncNotification(VSyncClient* client) = 0; | 26 virtual void RequestVSyncNotification(VSyncClient* client) = 0; |
27 | 27 |
28 protected: | 28 protected: |
29 virtual ~VSyncProvider() {} | 29 virtual ~VSyncProvider() {} |
30 }; | 30 }; |
31 | 31 |
32 // This timer implements a time source that is explicitly triggered by an | 32 // This timer implements a time source that is explicitly triggered by an |
33 // external vsync signal. | 33 // external vsync signal. |
34 class CC_EXPORT VSyncTimeSource : public TimeSource, public VSyncClient { | 34 class CC_EXPORT VSyncTimeSource : public TimeSource, public VSyncClient { |
35 public: | 35 public: |
36 static scoped_refptr<VSyncTimeSource> create(VSyncProvider* vsync_provider); | 36 static scoped_refptr<VSyncTimeSource> Create(VSyncProvider* vsync_provider); |
37 | 37 |
38 // TimeSource implementation | 38 // TimeSource implementation |
39 virtual void SetClient(TimeSourceClient* client) OVERRIDE; | 39 virtual void SetClient(TimeSourceClient* client) OVERRIDE; |
40 virtual void SetTimebaseAndInterval(base::TimeTicks timebase, | 40 virtual void SetTimebaseAndInterval(base::TimeTicks timebase, |
41 base::TimeDelta interval) OVERRIDE; | 41 base::TimeDelta interval) OVERRIDE; |
42 virtual void SetActive(bool active) OVERRIDE; | 42 virtual void SetActive(bool active) OVERRIDE; |
43 virtual bool Active() const OVERRIDE; | 43 virtual bool Active() const OVERRIDE; |
44 virtual base::TimeTicks LastTickTime() OVERRIDE; | 44 virtual base::TimeTicks LastTickTime() OVERRIDE; |
45 virtual base::TimeTicks NextTickTime() OVERRIDE; | 45 virtual base::TimeTicks NextTickTime() OVERRIDE; |
46 | 46 |
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58 | 58 |
59 VSyncProvider* vsync_provider_; | 59 VSyncProvider* vsync_provider_; |
60 TimeSourceClient* client_; | 60 TimeSourceClient* client_; |
61 | 61 |
62 DISALLOW_COPY_AND_ASSIGN(VSyncTimeSource); | 62 DISALLOW_COPY_AND_ASSIGN(VSyncTimeSource); |
63 }; | 63 }; |
64 | 64 |
65 } // namespace cc | 65 } // namespace cc |
66 | 66 |
67 #endif // CC_SCHEDULER_VSYNC_TIME_SOURCE_H_ | 67 #endif // CC_SCHEDULER_VSYNC_TIME_SOURCE_H_ |
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