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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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