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1 /* | 1 /* |
2 * Copyright (c) 2011, Google Inc. All rights reserved. | 2 * Copyright (c) 2011, 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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24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef ScrollAnimatorNone_h | 31 #ifndef ScrollAnimatorNone_h |
32 #define ScrollAnimatorNone_h | 32 #define ScrollAnimatorNone_h |
33 | 33 |
34 #include "core/platform/ScrollAnimator.h" | |
35 #include "platform/Timer.h" | 34 #include "platform/Timer.h" |
36 #include "platform/geometry/FloatPoint.h" | 35 #include "platform/geometry/FloatPoint.h" |
37 #include "wtf/OwnPtr.h" | 36 #include "platform/scroll/ScrollAnimator.h" |
38 | 37 |
39 class ScrollAnimatorNoneTest; | 38 class ScrollAnimatorNoneTest; |
40 | 39 |
41 namespace WebCore { | 40 namespace WebCore { |
42 | 41 |
43 class IntPoint; | 42 class IntPoint; |
44 class ActivePlatformGestureAnimation; | 43 class ActivePlatformGestureAnimation; |
45 struct ScrollAnimatorParameters; | 44 struct ScrollAnimatorParameters; |
46 | 45 |
47 class ScrollAnimatorNone : public ScrollAnimator { | 46 class PLATFORM_EXPORT ScrollAnimatorNone : public ScrollAnimator { |
48 public: | 47 public: |
49 explicit ScrollAnimatorNone(ScrollableArea*); | 48 explicit ScrollAnimatorNone(ScrollableArea*); |
50 virtual ~ScrollAnimatorNone(); | 49 virtual ~ScrollAnimatorNone(); |
51 | 50 |
52 virtual bool scroll(ScrollbarOrientation, ScrollGranularity, float step, flo
at multiplier); | 51 virtual bool scroll(ScrollbarOrientation, ScrollGranularity, float step, flo
at multiplier); |
53 virtual void scrollToOffsetWithoutAnimation(const FloatPoint&); | 52 virtual void scrollToOffsetWithoutAnimation(const FloatPoint&); |
54 | 53 |
55 virtual void cancelAnimations(); | 54 virtual void cancelAnimations(); |
56 virtual void serviceScrollAnimations(); | 55 virtual void serviceScrollAnimations(); |
57 | 56 |
58 virtual void willEndLiveResize(); | 57 virtual void willEndLiveResize(); |
59 virtual void didAddVerticalScrollbar(Scrollbar*); | 58 virtual void didAddVerticalScrollbar(Scrollbar*); |
60 virtual void didAddHorizontalScrollbar(Scrollbar*); | 59 virtual void didAddHorizontalScrollbar(Scrollbar*); |
61 | 60 |
62 enum Curve { | 61 enum Curve { |
63 Linear, | 62 Linear, |
64 Quadratic, | 63 Quadratic, |
65 Cubic, | 64 Cubic, |
66 Quartic, | 65 Quartic, |
67 Bounce | 66 Bounce |
68 }; | 67 }; |
69 | 68 |
70 struct Parameters { | 69 struct PLATFORM_EXPORT Parameters { |
71 Parameters(); | 70 Parameters(); |
72 Parameters(bool isEnabled, double animationTime, double repeatMinimumSus
tainTime, Curve attackCurve, double attackTime, Curve releaseCurve, double relea
seTime, Curve coastTimeCurve, double maximumCoastTime); | 71 Parameters(bool isEnabled, double animationTime, double repeatMinimumSus
tainTime, Curve attackCurve, double attackTime, Curve releaseCurve, double relea
seTime, Curve coastTimeCurve, double maximumCoastTime); |
73 | 72 |
74 // Note that the times can be overspecified such that releaseTime or rel
easeTime and attackTime are greater | 73 // Note that the times can be overspecified such that releaseTime or rel
easeTime and attackTime are greater |
75 // than animationTime. animationTime takes priority over releaseTime, ca
pping it. attackTime is capped at | 74 // than animationTime. animationTime takes priority over releaseTime, ca
pping it. attackTime is capped at |
76 // whatever time remains, or zero if none. | 75 // whatever time remains, or zero if none. |
77 bool m_isEnabled; | 76 bool m_isEnabled; |
78 double m_animationTime; | 77 double m_animationTime; |
79 double m_repeatMinimumSustainTime; | 78 double m_repeatMinimumSustainTime; |
80 | 79 |
81 Curve m_attackCurve; | 80 Curve m_attackCurve; |
82 double m_attackTime; | 81 double m_attackTime; |
83 | 82 |
84 Curve m_releaseCurve; | 83 Curve m_releaseCurve; |
85 double m_releaseTime; | 84 double m_releaseTime; |
86 | 85 |
87 Curve m_coastTimeCurve; | 86 Curve m_coastTimeCurve; |
88 double m_maximumCoastTime; | 87 double m_maximumCoastTime; |
89 }; | 88 }; |
90 | 89 |
91 protected: | 90 protected: |
92 virtual void animationWillStart() { } | 91 virtual void animationWillStart() { } |
93 virtual void animationDidFinish() { } | 92 virtual void animationDidFinish() { } |
94 | 93 |
95 Parameters parametersForScrollGranularity(ScrollGranularity) const; | 94 Parameters parametersForScrollGranularity(ScrollGranularity) const; |
96 | 95 |
97 friend class ::ScrollAnimatorNoneTest; | 96 friend class ::ScrollAnimatorNoneTest; |
98 | 97 |
99 struct PerAxisData { | 98 struct PLATFORM_EXPORT PerAxisData { |
100 PerAxisData(ScrollAnimatorNone* parent, float* currentPos, int visibleLe
ngth); | 99 PerAxisData(ScrollAnimatorNone* parent, float* currentPos, int visibleLe
ngth); |
101 void reset(); | 100 void reset(); |
102 bool updateDataFromParameters(float step, float multiplier, float scroll
ableSize, double currentTime, Parameters*); | 101 bool updateDataFromParameters(float step, float multiplier, float scroll
ableSize, double currentTime, Parameters*); |
103 bool animateScroll(double currentTime); | 102 bool animateScroll(double currentTime); |
104 void updateVisibleLength(int visibleLength); | 103 void updateVisibleLength(int visibleLength); |
105 | 104 |
106 static double curveAt(Curve, double t); | 105 static double curveAt(Curve, double t); |
107 static double attackCurve(Curve, double deltaT, double curveT, double st
artPos, double attackPos); | 106 static double attackCurve(Curve, double deltaT, double curveT, double st
artPos, double attackPos); |
108 static double releaseCurve(Curve, double deltaT, double curveT, double r
eleasePos, double desiredPos); | 107 static double releaseCurve(Curve, double deltaT, double curveT, double r
eleasePos, double desiredPos); |
109 static double coastCurve(Curve, double factor); | 108 static double coastCurve(Curve, double factor); |
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146 PerAxisData m_horizontalData; | 145 PerAxisData m_horizontalData; |
147 PerAxisData m_verticalData; | 146 PerAxisData m_verticalData; |
148 | 147 |
149 double m_startTime; | 148 double m_startTime; |
150 bool m_animationActive; | 149 bool m_animationActive; |
151 }; | 150 }; |
152 | 151 |
153 } // namespace WebCore | 152 } // namespace WebCore |
154 | 153 |
155 #endif // ScrollAnimatorNone_h | 154 #endif // ScrollAnimatorNone_h |
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