| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef Interpolation_h |
| #define Interpolation_h |
| |
| #include "core/animation/InterpolableValue.h" |
| #include "platform/heap/Handle.h" |
| |
| namespace blink { |
| |
| class Interpolation : public RefCountedWillBeGarbageCollected<Interpolation> { |
| DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(Interpolation); |
| public: |
| static PassRefPtrWillBeRawPtr<Interpolation> create(PassOwnPtrWillBeRawPtr<InterpolableValue> start, PassOwnPtrWillBeRawPtr<InterpolableValue> end) |
| { |
| return adoptRefWillBeNoop(new Interpolation(start, end)); |
| } |
| |
| void interpolate(int iteration, double fraction) const; |
| |
| virtual bool isStyleInterpolation() const { return false; } |
| virtual bool isLegacyStyleInterpolation() const { return false; } |
| |
| virtual void trace(Visitor*); |
| |
| protected: |
| const OwnPtrWillBeMember<InterpolableValue> m_start; |
| const OwnPtrWillBeMember<InterpolableValue> m_end; |
| |
| mutable double m_cachedFraction; |
| mutable int m_cachedIteration; |
| mutable OwnPtrWillBeMember<InterpolableValue> m_cachedValue; |
| |
| Interpolation(PassOwnPtrWillBeRawPtr<InterpolableValue> start, PassOwnPtrWillBeRawPtr<InterpolableValue> end); |
| |
| private: |
| InterpolableValue* getCachedValueForTesting() const { return m_cachedValue.get(); } |
| |
| friend class AnimationInterpolableValueTest; |
| friend class AnimationInterpolationEffectTest; |
| }; |
| |
| } |
| |
| #endif |