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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef WebCompositorAnimation_h | |
| 6 #define WebCompositorAnimation_h | |
| 7 | |
| 8 namespace blink { | |
| 9 | |
| 10 // A compositor driven animation. | |
| 11 class WebCompositorAnimation { | |
| 12 public: | |
| 13 enum TargetProperty { | |
| 14 TargetPropertyTransform = 0, | |
| 15 TargetPropertyOpacity, | |
| 16 TargetPropertyFilter, | |
| 17 TargetPropertyScrollOffset | |
| 18 }; | |
| 19 | |
| 20 enum Direction { | |
| 21 DirectionNormal = 0, | |
| 22 DirectionReverse, | |
| 23 DirectionAlternate, | |
| 24 DirectionAlternateReverse | |
| 25 }; | |
| 26 | |
| 27 enum FillMode { | |
| 28 FillModeNone = 0, | |
| 29 FillModeForwards, | |
| 30 FillModeBackwards, | |
| 31 FillModeBoth | |
| 32 }; | |
| 33 | |
| 34 virtual ~WebCompositorAnimation() { } | |
| 35 | |
| 36 // An id must be unique. | |
| 37 virtual int id() = 0; | |
| 38 virtual int group() = 0; | |
| 39 | |
| 40 virtual TargetProperty targetProperty() const = 0; | |
| 41 | |
| 42 // This is the number of times that the animation will play. If this | |
| 43 // value is zero the animation will not play. If it is negative, then | |
| 44 // the animation will loop indefinitely. | |
| 45 virtual double iterations() const = 0; | |
| 46 virtual void setIterations(double) = 0; | |
| 47 | |
| 48 virtual double startTime() const = 0; | |
| 49 virtual void setStartTime(double monotonicTime) = 0; | |
| 50 | |
| 51 virtual double timeOffset() const = 0; | |
| 52 virtual void setTimeOffset(double monotonicTime) = 0; | |
| 53 | |
| 54 virtual Direction direction() const = 0; | |
| 55 virtual void setDirection(Direction) = 0; | |
| 56 | |
| 57 virtual double playbackRate() const = 0; | |
| 58 virtual void setPlaybackRate(double) = 0; | |
| 59 | |
| 60 virtual FillMode fillMode() const = 0; | |
| 61 virtual void setFillMode(FillMode) = 0; | |
| 62 | |
| 63 virtual double iterationStart() const = 0; | |
| 64 virtual void setIterationStart(double) = 0; | |
| 65 }; | |
| 66 | |
| 67 } // namespace blink | |
| 68 | |
| 69 #endif // WebCompositorAnimation_h | |
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