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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 |
| (...skipping 13 matching lines...) Expand all Loading... |
| 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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