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 #define WEB_ANIMATION_SUPPORTS_FILL_MODE 1 9 10 namespace blink { 11 12 // A compositor driven animation. 13 class WebCompositorAnimation { 14 public: 15 enum TargetProperty { 16 TargetPropertyTransform = 0, 17 TargetPropertyOpacity, 18 TargetPropertyFilter, 19 TargetPropertyScrollOffset 20 }; 21 22 enum Direction { 23 DirectionNormal = 0, 24 DirectionReverse, 25 DirectionAlternate, 26 DirectionAlternateReverse 27 }; 28 29 enum FillMode { 30 FillModeNone = 0, 31 FillModeForwards, 32 FillModeBackwards, 33 FillModeBoth 34 }; 35 36 virtual ~WebCompositorAnimation() { } 37 38 // An id is effectively the animation's name, and it is not unique. 39 virtual int id() = 0; 40 41 virtual TargetProperty targetProperty() const = 0; 42 43 // This is the number of times that the animation will play. If this 44 // value is zero the animation will not play. If it is negative, then 45 // the animation will loop indefinitely. 46 virtual double iterations() const = 0; 47 virtual void setIterations(double) = 0; 48 49 virtual double startTime() const = 0; 50 virtual void setStartTime(double monotonicTime) = 0; 51 52 virtual double timeOffset() const = 0; 53 virtual void setTimeOffset(double monotonicTime) = 0; 54 55 virtual Direction direction() const = 0; 56 virtual void setDirection(Direction) = 0; 57 58 virtual double playbackRate() const = 0; 59 virtual void setPlaybackRate(double) = 0; 60 61 virtual FillMode fillMode() const = 0; 62 virtual void setFillMode(FillMode) = 0; 63 64 virtual double iterationStart() const = 0; 65 virtual void setIterationStart(double) = 0; 66 }; 67 68 } // namespace blink 69 70 #endif // WebCompositorAnimation_h 71
