| // 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 WebCompositorAnimation_h |
| #define WebCompositorAnimation_h |
| |
| namespace blink { |
| |
| // A compositor driven animation. |
| class WebCompositorAnimation { |
| public: |
| enum TargetProperty { |
| TargetPropertyTransform = 0, |
| TargetPropertyOpacity, |
| TargetPropertyFilter, |
| TargetPropertyScrollOffset |
| }; |
| |
| enum Direction { |
| DirectionNormal = 0, |
| DirectionReverse, |
| DirectionAlternate, |
| DirectionAlternateReverse |
| }; |
| |
| enum FillMode { |
| FillModeNone = 0, |
| FillModeForwards, |
| FillModeBackwards, |
| FillModeBoth |
| }; |
| |
| virtual ~WebCompositorAnimation() { } |
| |
| // An id must be unique. |
| virtual int id() = 0; |
| virtual int group() = 0; |
| |
| virtual TargetProperty targetProperty() const = 0; |
| |
| // This is the number of times that the animation will play. If this |
| // value is zero the animation will not play. If it is negative, then |
| // the animation will loop indefinitely. |
| virtual double iterations() const = 0; |
| virtual void setIterations(double) = 0; |
| |
| virtual double startTime() const = 0; |
| virtual void setStartTime(double monotonicTime) = 0; |
| |
| virtual double timeOffset() const = 0; |
| virtual void setTimeOffset(double monotonicTime) = 0; |
| |
| virtual Direction direction() const = 0; |
| virtual void setDirection(Direction) = 0; |
| |
| virtual double playbackRate() const = 0; |
| virtual void setPlaybackRate(double) = 0; |
| |
| virtual FillMode fillMode() const = 0; |
| virtual void setFillMode(FillMode) = 0; |
| |
| virtual double iterationStart() const = 0; |
| virtual void setIterationStart(double) = 0; |
| }; |
| |
| } // namespace blink |
| |
| #endif // WebCompositorAnimation_h |