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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 "wtf/Forward.h" | 10 #include "wtf/Forward.h" |
11 #include "wtf/RefCounted.h" | 11 #include "wtf/RefCounted.h" |
12 #include <memory> | 12 #include <memory> |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 | 15 |
16 class PropertyHandle; | 16 class PropertyHandle; |
17 | 17 |
18 // Represents an animation's effect between an adjacent pair of | 18 // Represents an animation's effect between an adjacent pair of |
19 // PropertySpecificKeyframes. | 19 // PropertySpecificKeyframes. |
20 class CORE_EXPORT Interpolation : public RefCounted<Interpolation> { | 20 class CORE_EXPORT Interpolation : public RefCounted<Interpolation> { |
21 WTF_MAKE_NONCOPYABLE(Interpolation); | 21 WTF_MAKE_NONCOPYABLE(Interpolation); |
22 | 22 |
23 public: | 23 public: |
24 virtual ~Interpolation() {} | 24 virtual ~Interpolation() {} |
25 | 25 |
26 virtual void interpolate(int iteration, double fraction) = 0; | 26 virtual void interpolate(int iteration, double fraction) = 0; |
27 | 27 |
28 virtual bool isInvalidatableInterpolation() const { return false; } | 28 virtual bool isInvalidatableInterpolation() const { return false; } |
29 virtual bool isLegacyStyleInterpolation() const { return false; } | 29 virtual bool isLegacyStyleInterpolation() const { return false; } |
| 30 virtual bool isTransitionInterpolation() const { return false; } |
30 | 31 |
31 virtual const PropertyHandle& getProperty() const = 0; | 32 virtual const PropertyHandle& getProperty() const = 0; |
32 virtual bool dependsOnUnderlyingValue() const { return false; } | 33 virtual bool dependsOnUnderlyingValue() const { return false; } |
33 | 34 |
34 protected: | 35 protected: |
35 Interpolation() {} | 36 Interpolation() {} |
36 }; | 37 }; |
37 | 38 |
38 using ActiveInterpolations = Vector<RefPtr<Interpolation>, 1>; | 39 using ActiveInterpolations = Vector<RefPtr<Interpolation>, 1>; |
39 | 40 |
40 } // namespace blink | 41 } // namespace blink |
41 | 42 |
42 #endif // Interpolation_h | 43 #endif // Interpolation_h |
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