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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 CCTimeSource_h | 5 #ifndef CCTimeSource_h |
6 #define CCTimeSource_h | 6 #define CCTimeSource_h |
7 | 7 |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "base/time.h" | 9 #include "base/time.h" |
10 | 10 |
11 namespace cc { | 11 namespace cc { |
12 | 12 |
13 class CCThread; | 13 class Thread; |
14 | 14 |
15 class CCTimeSourceClient { | 15 class TimeSourceClient { |
16 public: | 16 public: |
17 virtual void onTimerTick() = 0; | 17 virtual void onTimerTick() = 0; |
18 | 18 |
19 protected: | 19 protected: |
20 virtual ~CCTimeSourceClient() { } | 20 virtual ~TimeSourceClient() { } |
21 }; | 21 }; |
22 | 22 |
23 // An generic interface for getting a reliably-ticking timesource of | 23 // An generic interface for getting a reliably-ticking timesource of |
24 // a specified rate. | 24 // a specified rate. |
25 // | 25 // |
26 // Be sure to call setActive(false) before releasing your reference to the | 26 // Be sure to call setActive(false) before releasing your reference to the |
27 // timer, or it will keep on ticking! | 27 // timer, or it will keep on ticking! |
28 class CCTimeSource : public base::RefCounted<CCTimeSource> { | 28 class TimeSource : public base::RefCounted<TimeSource> { |
29 public: | 29 public: |
30 virtual void setClient(CCTimeSourceClient*) = 0; | 30 virtual void setClient(TimeSourceClient*) = 0; |
31 virtual void setActive(bool) = 0; | 31 virtual void setActive(bool) = 0; |
32 virtual bool active() const = 0; | 32 virtual bool active() const = 0; |
33 virtual void setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDelt
a interval) = 0; | 33 virtual void setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDelt
a interval) = 0; |
34 virtual base::TimeTicks lastTickTime() = 0; | 34 virtual base::TimeTicks lastTickTime() = 0; |
35 virtual base::TimeTicks nextTickTime() = 0; | 35 virtual base::TimeTicks nextTickTime() = 0; |
36 | 36 |
37 protected: | 37 protected: |
38 virtual ~CCTimeSource() { } | 38 virtual ~TimeSource() { } |
39 | 39 |
40 private: | 40 private: |
41 friend class base::RefCounted<CCTimeSource>; | 41 friend class base::RefCounted<TimeSource>; |
42 }; | 42 }; |
43 | 43 |
44 } | 44 } |
45 #endif // CCTimeSource_h | 45 #endif // CCTimeSource_h |
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