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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "platform/animation/CompositorScrollOffsetAnimationCurve.h" |
| 6 |
| 7 #include "cc/animation/scroll_offset_animation_curve.h" |
| 8 #include "cc/animation/timing_function.h" |
| 9 |
| 10 using blink::CompositorScrollOffsetAnimationCurve; |
| 11 using DurationBehavior = cc::ScrollOffsetAnimationCurve::DurationBehavior; |
| 12 |
| 13 namespace blink { |
| 14 |
| 15 static DurationBehavior GetDurationBehavior(CompositorScrollOffsetAnimationCurve
::ScrollDurationBehavior webDurationBehavior) |
| 16 { |
| 17 switch (webDurationBehavior) { |
| 18 case CompositorScrollOffsetAnimationCurve::ScrollDurationDeltaBased: |
| 19 return DurationBehavior::DELTA_BASED; |
| 20 |
| 21 case CompositorScrollOffsetAnimationCurve::ScrollDurationConstant: |
| 22 return DurationBehavior::CONSTANT; |
| 23 |
| 24 case CompositorScrollOffsetAnimationCurve::ScrollDurationInverseDelta: |
| 25 return DurationBehavior::INVERSE_DELTA; |
| 26 } |
| 27 NOTREACHED(); |
| 28 return DurationBehavior::DELTA_BASED; |
| 29 } |
| 30 |
| 31 CompositorScrollOffsetAnimationCurve::CompositorScrollOffsetAnimationCurve( |
| 32 FloatPoint targetValue, |
| 33 TimingFunctionType timingFunction, |
| 34 ScrollDurationBehavior durationBehavior) |
| 35 : m_curve(cc::ScrollOffsetAnimationCurve::Create( |
| 36 gfx::ScrollOffset(targetValue.x(), targetValue.y()), |
| 37 createTimingFunction(timingFunction), |
| 38 GetDurationBehavior(durationBehavior))) |
| 39 { |
| 40 } |
| 41 |
| 42 CompositorScrollOffsetAnimationCurve::~CompositorScrollOffsetAnimationCurve() |
| 43 { |
| 44 } |
| 45 |
| 46 CompositorAnimationCurve::AnimationCurveType CompositorScrollOffsetAnimationCurv
e::type() const |
| 47 { |
| 48 return CompositorAnimationCurve::AnimationCurveTypeScrollOffset; |
| 49 } |
| 50 |
| 51 void CompositorScrollOffsetAnimationCurve::setInitialValue(FloatPoint initialVal
ue) |
| 52 { |
| 53 m_curve->SetInitialValue(gfx::ScrollOffset(initialValue.x(), initialValue.y(
))); |
| 54 } |
| 55 |
| 56 FloatPoint CompositorScrollOffsetAnimationCurve::getValue(double time) const |
| 57 { |
| 58 gfx::ScrollOffset value = m_curve->GetValue(base::TimeDelta::FromSecondsD(ti
me)); |
| 59 return FloatPoint(value.x(), value.y()); |
| 60 } |
| 61 |
| 62 double CompositorScrollOffsetAnimationCurve::duration() const |
| 63 { |
| 64 return m_curve->Duration().InSecondsF(); |
| 65 } |
| 66 |
| 67 FloatPoint CompositorScrollOffsetAnimationCurve::targetValue() const |
| 68 { |
| 69 gfx::ScrollOffset target = m_curve->target_value(); |
| 70 return FloatPoint(target.x(), target.y()); |
| 71 } |
| 72 |
| 73 void CompositorScrollOffsetAnimationCurve::updateTarget(double time, FloatPoint
newTarget) |
| 74 { |
| 75 m_curve->UpdateTarget(time, gfx::ScrollOffset(newTarget.x(), newTarget.y()))
; |
| 76 } |
| 77 |
| 78 scoped_ptr<cc::AnimationCurve> CompositorScrollOffsetAnimationCurve::cloneToAnim
ationCurve() const |
| 79 { |
| 80 return m_curve->Clone(); |
| 81 } |
| 82 |
| 83 } // namespace blink |
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