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/*
* Copyright (C) 2013 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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 SVGProperty_h
#define SVGProperty_h
#include "core/svg/properties/SVGPropertyInfo.h"
#include "platform/heap/Handle.h"
#include "wtf/Noncopyable.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class ExceptionState;
class SVGElement;
class SVGAnimationElement;
class SVGPropertyBase : public RefCountedWillBeRefCountedGarbageCollected<SVGPropertyBase> {
WTF_MAKE_NONCOPYABLE(SVGPropertyBase);
public:
// Properties do not have a primitive type by default
typedef void PrimitiveType;
virtual ~SVGPropertyBase()
{
ASSERT(!m_ownerList);
}
// FIXME: remove this in WebAnimations transition.
// This is used from SVGAnimatedNewPropertyAnimator for its animate-by-string implementation.
virtual PassRefPtr<SVGPropertyBase> cloneForAnimation(const String&) const = 0;
virtual String valueAsString() const = 0;
// FIXME: remove below and just have this inherit AnimatableValue in WebAnimations transition.
virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) = 0;
virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> from, PassRefPtr<SVGPropertyBase> to, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) = 0;
virtual float calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement*) = 0;
AnimatedPropertyType type()
{
return m_type;
}
SVGPropertyBase* ownerList() const
{
return m_ownerList;
}
void setOwnerList(SVGPropertyBase* ownerList)
{
// Previous owner list must be cleared before setting new owner list.
ASSERT((!ownerList && m_ownerList) || (ownerList && !m_ownerList));
m_ownerList = ownerList;
}
virtual void trace(Visitor* visitor)
{
visitor->trace(m_ownerList);
}
protected:
explicit SVGPropertyBase(AnimatedPropertyType type)
: m_type(type)
, m_ownerList(nullptr)
{
}
private:
const AnimatedPropertyType m_type;
RawPtrWillBeMember<SVGPropertyBase> m_ownerList;
};
}
#endif // SVGProperty_h
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