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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CompositorScrollOffsetAnimationCurve_h | 5 #ifndef CompositorScrollOffsetAnimationCurve_h |
| 6 #define CompositorScrollOffsetAnimationCurve_h | 6 #define CompositorScrollOffsetAnimationCurve_h |
| 7 | 7 |
| 8 #include "platform/PlatformExport.h" | 8 #include "platform/PlatformExport.h" |
| 9 #include "platform/animation/CompositorAnimationCurve.h" | 9 #include "platform/animation/CompositorAnimationCurve.h" |
| 10 #include "platform/geometry/FloatPoint.h" | 10 #include "platform/geometry/FloatPoint.h" |
| 11 #include "wtf/Noncopyable.h" | 11 #include "wtf/Noncopyable.h" |
| 12 #include "wtf/PassOwnPtr.h" | 12 #include "wtf/PtrUtil.h" |
| 13 #include <memory> |
| 13 | 14 |
| 14 namespace cc { | 15 namespace cc { |
| 15 class ScrollOffsetAnimationCurve; | 16 class ScrollOffsetAnimationCurve; |
| 16 } | 17 } |
| 17 | 18 |
| 18 namespace blink { | 19 namespace blink { |
| 19 | 20 |
| 20 class PLATFORM_EXPORT CompositorScrollOffsetAnimationCurve : public CompositorAn
imationCurve { | 21 class PLATFORM_EXPORT CompositorScrollOffsetAnimationCurve : public CompositorAn
imationCurve { |
| 21 WTF_MAKE_NONCOPYABLE(CompositorScrollOffsetAnimationCurve); | 22 WTF_MAKE_NONCOPYABLE(CompositorScrollOffsetAnimationCurve); |
| 22 public: | 23 public: |
| 23 enum ScrollDurationBehavior { | 24 enum ScrollDurationBehavior { |
| 24 ScrollDurationDeltaBased = 0, | 25 ScrollDurationDeltaBased = 0, |
| 25 ScrollDurationConstant, | 26 ScrollDurationConstant, |
| 26 ScrollDurationInverseDelta | 27 ScrollDurationInverseDelta |
| 27 }; | 28 }; |
| 28 | 29 |
| 29 static PassOwnPtr<CompositorScrollOffsetAnimationCurve> create(FloatPoint ta
rgetValue, CompositorScrollOffsetAnimationCurve::ScrollDurationBehavior duration
Behavior) | 30 static std::unique_ptr<CompositorScrollOffsetAnimationCurve> create(FloatPoi
nt targetValue, CompositorScrollOffsetAnimationCurve::ScrollDurationBehavior dur
ationBehavior) |
| 30 { | 31 { |
| 31 return adoptPtr(new CompositorScrollOffsetAnimationCurve(targetValue, du
rationBehavior)); | 32 return wrapUnique(new CompositorScrollOffsetAnimationCurve(targetValue,
durationBehavior)); |
| 32 } | 33 } |
| 33 static PassOwnPtr<CompositorScrollOffsetAnimationCurve> create(cc::ScrollOff
setAnimationCurve* curve) | 34 static std::unique_ptr<CompositorScrollOffsetAnimationCurve> create(cc::Scro
llOffsetAnimationCurve* curve) |
| 34 { | 35 { |
| 35 return adoptPtr(new CompositorScrollOffsetAnimationCurve(curve)); | 36 return wrapUnique(new CompositorScrollOffsetAnimationCurve(curve)); |
| 36 } | 37 } |
| 37 | 38 |
| 38 ~CompositorScrollOffsetAnimationCurve() override; | 39 ~CompositorScrollOffsetAnimationCurve() override; |
| 39 | 40 |
| 40 void setInitialValue(FloatPoint); | 41 void setInitialValue(FloatPoint); |
| 41 FloatPoint getValue(double time) const; | 42 FloatPoint getValue(double time) const; |
| 42 double duration() const; | 43 double duration() const; |
| 43 FloatPoint targetValue() const; | 44 FloatPoint targetValue() const; |
| 44 void applyAdjustment(IntSize); | 45 void applyAdjustment(IntSize); |
| 45 void updateTarget(double time, FloatPoint newTarget); | 46 void updateTarget(double time, FloatPoint newTarget); |
| 46 | 47 |
| 47 // CompositorAnimationCurve implementation. | 48 // CompositorAnimationCurve implementation. |
| 48 std::unique_ptr<cc::AnimationCurve> cloneToAnimationCurve() const override; | 49 std::unique_ptr<cc::AnimationCurve> cloneToAnimationCurve() const override; |
| 49 | 50 |
| 50 private: | 51 private: |
| 51 CompositorScrollOffsetAnimationCurve(FloatPoint, ScrollDurationBehavior); | 52 CompositorScrollOffsetAnimationCurve(FloatPoint, ScrollDurationBehavior); |
| 52 CompositorScrollOffsetAnimationCurve(cc::ScrollOffsetAnimationCurve*); | 53 CompositorScrollOffsetAnimationCurve(cc::ScrollOffsetAnimationCurve*); |
| 53 | 54 |
| 54 std::unique_ptr<cc::ScrollOffsetAnimationCurve> m_curve; | 55 std::unique_ptr<cc::ScrollOffsetAnimationCurve> m_curve; |
| 55 }; | 56 }; |
| 56 | 57 |
| 57 } // namespace blink | 58 } // namespace blink |
| 58 | 59 |
| 59 #endif // CompositorScrollOffsetAnimationCurve_h | 60 #endif // CompositorScrollOffsetAnimationCurve_h |
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