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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. 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 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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36 class PlatformGestureCurveTarget; | 36 class PlatformGestureCurveTarget; |
37 | 37 |
38 // Implements a gesture animation (fling scroll, etc.) using a curve with a gene
ric interface | 38 // Implements a gesture animation (fling scroll, etc.) using a curve with a gene
ric interface |
39 // to define the animation parameters as a function of time, and applies the ani
mation | 39 // to define the animation parameters as a function of time, and applies the ani
mation |
40 // to a target, again via a generic interface. It is assumed that animate() is c
alled | 40 // to a target, again via a generic interface. It is assumed that animate() is c
alled |
41 // on a more-or-less regular basis by the owner. | 41 // on a more-or-less regular basis by the owner. |
42 class ActivePlatformGestureAnimation { | 42 class ActivePlatformGestureAnimation { |
43 WTF_MAKE_NONCOPYABLE(ActivePlatformGestureAnimation); | 43 WTF_MAKE_NONCOPYABLE(ActivePlatformGestureAnimation); |
44 public: | 44 public: |
45 static PassOwnPtr<ActivePlatformGestureAnimation> create(PassOwnPtr<Platform
GestureCurve>, PlatformGestureCurveTarget*); | 45 static PassOwnPtr<ActivePlatformGestureAnimation> create(PassOwnPtr<Platform
GestureCurve>, PlatformGestureCurveTarget*); |
| 46 static PassOwnPtr<ActivePlatformGestureAnimation> create(PassOwnPtr<Platform
GestureCurve>, PlatformGestureCurveTarget*, double startTime); |
46 ~ActivePlatformGestureAnimation(); | 47 ~ActivePlatformGestureAnimation(); |
47 | 48 |
48 bool animate(double time); | 49 bool animate(double time); |
49 | 50 |
50 private: | 51 private: |
51 // Assumes a valid PlatformGestureCurveTarget that outlives the animation. | 52 // Assumes a valid PlatformGestureCurveTarget that outlives the animation. |
52 ActivePlatformGestureAnimation(PassOwnPtr<PlatformGestureCurve>, PlatformGes
tureCurveTarget*); | 53 ActivePlatformGestureAnimation(PassOwnPtr<PlatformGestureCurve>, PlatformGes
tureCurveTarget*); |
| 54 ActivePlatformGestureAnimation(PassOwnPtr<PlatformGestureCurve>, PlatformGes
tureCurveTarget*, double startTime); |
53 | 55 |
54 double m_startTime; | 56 double m_startTime; |
55 bool m_waitingForFirstTick; | 57 bool m_waitingForFirstTick; |
56 OwnPtr<PlatformGestureCurve> m_curve; | 58 OwnPtr<PlatformGestureCurve> m_curve; |
57 PlatformGestureCurveTarget* m_target; | 59 PlatformGestureCurveTarget* m_target; |
58 }; | 60 }; |
59 | 61 |
60 } // namespace WebCore | 62 } // namespace WebCore |
61 | 63 |
62 #endif | 64 #endif |
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