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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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34 #include "core/CoreExport.h" | 34 #include "core/CoreExport.h" |
35 #include "wtf/Allocator.h" | 35 #include "wtf/Allocator.h" |
36 #include "wtf/CurrentTime.h" | 36 #include "wtf/CurrentTime.h" |
37 #include "wtf/Noncopyable.h" | 37 #include "wtf/Noncopyable.h" |
38 #include "wtf/PassOwnPtr.h" | 38 #include "wtf/PassOwnPtr.h" |
39 #include <limits> | 39 #include <limits> |
40 | 40 |
41 namespace blink { | 41 namespace blink { |
42 | 42 |
43 class CORE_EXPORT AnimationClock { | 43 class CORE_EXPORT AnimationClock { |
44 DISALLOW_ALLOCATION(); | 44 DISALLOW_NEW(); |
45 WTF_MAKE_NONCOPYABLE(AnimationClock); | 45 WTF_MAKE_NONCOPYABLE(AnimationClock); |
46 public: | 46 public: |
47 explicit AnimationClock(WTF::TimeFunction monotonicallyIncreasingTime = WTF:
:monotonicallyIncreasingTime) | 47 explicit AnimationClock(WTF::TimeFunction monotonicallyIncreasingTime = WTF:
:monotonicallyIncreasingTime) |
48 : m_monotonicallyIncreasingTime(monotonicallyIncreasingTime) | 48 : m_monotonicallyIncreasingTime(monotonicallyIncreasingTime) |
49 , m_time(0) | 49 , m_time(0) |
50 , m_currentTask(std::numeric_limits<unsigned>::max()) | 50 , m_currentTask(std::numeric_limits<unsigned>::max()) |
51 { | 51 { |
52 } | 52 } |
53 | 53 |
54 void updateTime(double time); | 54 void updateTime(double time); |
55 double currentTime(); | 55 double currentTime(); |
56 void resetTimeForTesting(double time = 0); | 56 void resetTimeForTesting(double time = 0); |
57 | 57 |
58 static void notifyTaskStart() { ++s_currentTask; } | 58 static void notifyTaskStart() { ++s_currentTask; } |
59 | 59 |
60 private: | 60 private: |
61 WTF::TimeFunction m_monotonicallyIncreasingTime; | 61 WTF::TimeFunction m_monotonicallyIncreasingTime; |
62 double m_time; | 62 double m_time; |
63 unsigned m_currentTask; | 63 unsigned m_currentTask; |
64 static unsigned s_currentTask; | 64 static unsigned s_currentTask; |
65 }; | 65 }; |
66 | 66 |
67 } // namespace blink | 67 } // namespace blink |
68 | 68 |
69 #endif // AnimationClock_h | 69 #endif // AnimationClock_h |
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