2 * Copyright (C) 2012 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 #ifndef WebAnimation_h
26 #define WebAnimation_h
28 #include "WebCommon.h"
29 #include "WebNonCopyable.h"
30 #include "WebPrivateOwnPtr.h"
32 #if BLINK_IMPLEMENTATION
33 #include "wtf/Forward.h"
37 class CCActiveAnimation;
42 class WebAnimationCurve;
44 // A compositor driven animation.
48 TargetPropertyTransform = 0,
49 TargetPropertyOpacity,
53 virtual ~WebAnimation() { }
55 // An id is effectively the animation's name, and it is not unique.
58 virtual TargetProperty targetProperty() const = 0;
60 // This is the number of times that the animation will play. If this
61 // value is zero the animation will not play. If it is negative, then
62 // the animation will loop indefinitely.
63 virtual int iterations() const = 0;
64 virtual void setIterations(int) = 0;
66 virtual double startTime() const = 0;
67 virtual void setStartTime(double monotonicTime) = 0;
69 virtual double timeOffset() const = 0;
70 virtual void setTimeOffset(double monotonicTime) = 0;
72 // If alternatesDirection is true, on odd numbered iterations we reverse the curve.
73 virtual bool alternatesDirection() const = 0;
74 virtual void setAlternatesDirection(bool) = 0;
79 #endif // WebAnimation_h