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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebAnimation_h
#define WebAnimation_h
#include "WebCommon.h"
#include "WebNonCopyable.h"
#include "WebPrivateOwnPtr.h"
#if WEBKIT_IMPLEMENTATION
#include <wtf/Forward.h>
#endif
namespace WebCore {
class CCActiveAnimation;
}
namespace WebKit {
class WebAnimationCurve;
// A compositor driven animation.
class WebAnimation {
public:
enum TargetProperty {
TargetPropertyTransform = 0,
TargetPropertyOpacity
};
// The caller takes ownership of the returned valuev
WEBKIT_EXPORT static WebAnimation* create(const WebAnimationCurve&, TargetProperty);
// An animationId is effectively the animation's name, and it is not unique.
// Animations with the same groupId are run at the same time. An animation
// may be uniquely identified by a combination of groupId and target property.
WEBKIT_EXPORT static WebAnimation* create(const WebAnimationCurve&, int animationId, int groupId, TargetProperty);
virtual ~WebAnimation() { }
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 int iterations() const = 0;
virtual void setIterations(int) = 0;
virtual double startTime() const = 0;
virtual void setStartTime(double monotonicTime) = 0;
virtual double timeOffset() const = 0;
virtual void setTimeOffset(double monotonicTime) = 0;
// If alternatesDirection is true, on odd numbered iterations we reverse the curve.
virtual bool alternatesDirection() const = 0;
virtual void setAlternatesDirection(bool) = 0;
};
} // namespace WebKit
#endif // WebAnimation_h
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