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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 Interpolation_h | 5 #ifndef Interpolation_h |
| 6 #define Interpolation_h | 6 #define Interpolation_h |
| 7 | 7 |
| 8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
| 9 #include "core/animation/InterpolableValue.h" | 9 #include "core/animation/InterpolableValue.h" |
| 10 #include "platform/heap/Handle.h" | 10 #include "platform/heap/Handle.h" |
| 11 | 11 |
| 12 namespace blink { | 12 namespace blink { |
| 13 | 13 |
| 14 class PropertyHandle; | 14 class PropertyHandle; |
| 15 | 15 |
| 16 // Represents an animation's effect between an adjacent pair of PropertySpecific
Keyframes. | 16 // Represents an animation's effect between an adjacent pair of PropertySpecific
Keyframes. |
| 17 class CORE_EXPORT Interpolation : public RefCounted<Interpolation> { | 17 class CORE_EXPORT Interpolation : public RefCounted<Interpolation> { |
| 18 WTF_MAKE_NONCOPYABLE(Interpolation); | 18 WTF_MAKE_NONCOPYABLE(Interpolation); |
| 19 public: | 19 public: |
| 20 virtual ~Interpolation(); | 20 virtual ~Interpolation(); |
| 21 | 21 |
| 22 virtual void interpolate(int iteration, double fraction); | 22 virtual void interpolate(int iteration, double fraction); |
| 23 | 23 |
| 24 virtual bool isStyleInterpolation() const { return false; } | 24 virtual bool isStyleInterpolation() const { return false; } |
| 25 virtual bool isInvalidatableInterpolation() const { return false; } | 25 virtual bool isInvalidatableInterpolation() const { return false; } |
| 26 virtual bool isLegacyStyleInterpolation() const { return false; } | 26 virtual bool isLegacyStyleInterpolation() const { return false; } |
| 27 | 27 |
| 28 virtual PropertyHandle property() const = 0; | 28 virtual PropertyHandle getProperty() const = 0; |
| 29 virtual bool dependsOnUnderlyingValue() const { return false; } | 29 virtual bool dependsOnUnderlyingValue() const { return false; } |
| 30 | 30 |
| 31 protected: | 31 protected: |
| 32 const OwnPtr<InterpolableValue> m_start; | 32 const OwnPtr<InterpolableValue> m_start; |
| 33 const OwnPtr<InterpolableValue> m_end; | 33 const OwnPtr<InterpolableValue> m_end; |
| 34 | 34 |
| 35 mutable double m_cachedFraction; | 35 mutable double m_cachedFraction; |
| 36 mutable int m_cachedIteration; | 36 mutable int m_cachedIteration; |
| 37 mutable OwnPtr<InterpolableValue> m_cachedValue; | 37 mutable OwnPtr<InterpolableValue> m_cachedValue; |
| 38 | 38 |
| 39 Interpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableVa
lue> end); | 39 Interpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableVa
lue> end); |
| 40 | 40 |
| 41 private: | 41 private: |
| 42 InterpolableValue* getCachedValueForTesting() const { return m_cachedValue.g
et(); } | 42 InterpolableValue* getCachedValueForTesting() const { return m_cachedValue.g
et(); } |
| 43 | 43 |
| 44 friend class AnimationInterpolableValueTest; | 44 friend class AnimationInterpolableValueTest; |
| 45 friend class AnimationInterpolationEffectTest; | 45 friend class AnimationInterpolationEffectTest; |
| 46 friend class AnimationDoubleStyleInterpolationTest; | 46 friend class AnimationDoubleStyleInterpolationTest; |
| 47 friend class AnimationVisibilityStyleInterpolationTest; | 47 friend class AnimationVisibilityStyleInterpolationTest; |
| 48 }; | 48 }; |
| 49 | 49 |
| 50 using ActiveInterpolations = Vector<RefPtr<Interpolation>, 1>; | 50 using ActiveInterpolations = Vector<RefPtr<Interpolation>, 1>; |
| 51 | 51 |
| 52 } // namespace blink | 52 } // namespace blink |
| 53 | 53 |
| 54 #endif // Interpolation_h | 54 #endif // Interpolation_h |
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