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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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24 */ | 24 */ |
25 | 25 |
26 #ifndef WebActiveGestureAnimation_h | 26 #ifndef WebActiveGestureAnimation_h |
27 #define WebActiveGestureAnimation_h | 27 #define WebActiveGestureAnimation_h |
28 | 28 |
29 #include "platform/PlatformExport.h" | 29 #include "platform/PlatformExport.h" |
30 #include "wtf/Noncopyable.h" | 30 #include "wtf/Noncopyable.h" |
31 #include "wtf/OwnPtr.h" | 31 #include "wtf/OwnPtr.h" |
32 #include "wtf/PassOwnPtr.h" | 32 #include "wtf/PassOwnPtr.h" |
33 | 33 |
34 namespace WebKit { | 34 namespace blink { |
35 | 35 |
36 class WebGestureCurve; | 36 class WebGestureCurve; |
37 class WebGestureCurveTarget; | 37 class WebGestureCurveTarget; |
38 | 38 |
39 // Implements a gesture animation (fling scroll, etc.) using a curve with a gene
ric interface | 39 // Implements a gesture animation (fling scroll, etc.) using a curve with a gene
ric interface |
40 // to define the animation parameters as a function of time, and applies the ani
mation | 40 // to define the animation parameters as a function of time, and applies the ani
mation |
41 // to a target, again via a generic interface. It is assumed that animate() is c
alled | 41 // to a target, again via a generic interface. It is assumed that animate() is c
alled |
42 // on a more-or-less regular basis by the owner. | 42 // on a more-or-less regular basis by the owner. |
43 class PLATFORM_EXPORT WebActiveGestureAnimation { | 43 class PLATFORM_EXPORT WebActiveGestureAnimation { |
44 WTF_MAKE_NONCOPYABLE(WebActiveGestureAnimation); | 44 WTF_MAKE_NONCOPYABLE(WebActiveGestureAnimation); |
45 public: | 45 public: |
46 static PassOwnPtr<WebActiveGestureAnimation> createAtAnimationStart(PassOwnP
tr<WebGestureCurve>, WebGestureCurveTarget*); | 46 static PassOwnPtr<WebActiveGestureAnimation> createAtAnimationStart(PassOwnP
tr<WebGestureCurve>, WebGestureCurveTarget*); |
47 static PassOwnPtr<WebActiveGestureAnimation> createWithTimeOffset(PassOwnPtr
<WebGestureCurve>, WebGestureCurveTarget*, double startTime); | 47 static PassOwnPtr<WebActiveGestureAnimation> createWithTimeOffset(PassOwnPtr
<WebGestureCurve>, WebGestureCurveTarget*, double startTime); |
48 ~WebActiveGestureAnimation(); | 48 ~WebActiveGestureAnimation(); |
49 | 49 |
50 bool animate(double time); | 50 bool animate(double time); |
51 | 51 |
52 private: | 52 private: |
53 // Assumes a valid WebGestureCurveTarget that outlives the animation. | 53 // Assumes a valid WebGestureCurveTarget that outlives the animation. |
54 WebActiveGestureAnimation(PassOwnPtr<WebGestureCurve>, WebGestureCurveTarget
*, double startTime, bool waitingForFirstTick); | 54 WebActiveGestureAnimation(PassOwnPtr<WebGestureCurve>, WebGestureCurveTarget
*, double startTime, bool waitingForFirstTick); |
55 | 55 |
56 double m_startTime; | 56 double m_startTime; |
57 bool m_waitingForFirstTick; | 57 bool m_waitingForFirstTick; |
58 OwnPtr<WebGestureCurve> m_curve; | 58 OwnPtr<WebGestureCurve> m_curve; |
59 WebGestureCurveTarget* m_target; | 59 WebGestureCurveTarget* m_target; |
60 }; | 60 }; |
61 | 61 |
62 } // namespace WebKit | 62 } // namespace blink |
63 | 63 |
64 #endif | 64 #endif |
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