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/*
* Copyright (C) Research In Motion Limited 2010, 2012. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef SVGAnimatedPathSegListPropertyTearOff_h
#define SVGAnimatedPathSegListPropertyTearOff_h
#include "SVGAnimatedListPropertyTearOff.h"
#include "SVGPathByteStream.h"
#include "SVGPathElement.h"
#include "SVGPathSegList.h"
#include "SVGPathSegListPropertyTearOff.h"
#include "SVGPathUtilities.h"
namespace WebCore {
class SVGAnimatedPathSegListPropertyTearOff : public SVGAnimatedListPropertyTearOff<SVGPathSegList> {
public:
virtual RefPtr<ListProperty> baseVal() override
{
if (m_baseVal)
return m_baseVal;
auto property = SVGPathSegListPropertyTearOff::create(this, BaseValRole, PathSegUnalteredRole, m_values, m_wrappers);
m_baseVal = property.ptr();
return WTFMove(property);
}
virtual RefPtr<ListProperty> animVal() override
{
if (m_animVal)
return m_animVal;
auto property = SVGPathSegListPropertyTearOff::create(this, AnimValRole, PathSegUnalteredRole, m_values, m_wrappers);
m_animVal = property.ptr();
return WTFMove(property);
}
int findItem(const RefPtr<SVGPathSeg>& segment)
{
// This should ever be called for our baseVal, as animVal can't modify the list.
return static_cast<SVGPathSegListPropertyTearOff*>(baseVal().get())->findItem(segment);
}
void removeItemFromList(size_t itemIndex, bool shouldSynchronizeWrappers)
{
// This should ever be called for our baseVal, as animVal can't modify the list.
static_cast<SVGPathSegListPropertyTearOff*>(baseVal().get())->removeItemFromList(itemIndex, shouldSynchronizeWrappers);
}
static Ref<SVGAnimatedPathSegListPropertyTearOff> create(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType, SVGPathSegList& values)
{
ASSERT(contextElement);
return adoptRef(*new SVGAnimatedPathSegListPropertyTearOff(contextElement, attributeName, animatedPropertyType, values));
}
using SVGAnimatedListPropertyTearOff<SVGPathSegList>::animationStarted;
void animationStarted(SVGPathByteStream* byteStream, const SVGPathSegList* baseValue)
{
ASSERT(byteStream);
ASSERT(baseValue);
ASSERT(!m_animatedPathByteStream);
m_animatedPathByteStream = byteStream;
// Pass shouldOwnValues=true, as the SVGPathSegList lifetime is solely managed by its tear off class.
SVGPathSegList* copy = new SVGPathSegList(*baseValue);
SVGAnimatedListPropertyTearOff<SVGPathSegList>::animationStarted(copy, true);
}
void animationEnded()
{
ASSERT(m_animatedPathByteStream);
m_animatedPathByteStream = nullptr;
SVGAnimatedListPropertyTearOff<SVGPathSegList>::animationEnded();
}
void animValDidChange()
{
ASSERT(m_animatedPathByteStream);
SVGPathElement* pathElement = downcast<SVGPathElement>(contextElement());
// If the animVal is observed from JS, we have to update it on each animation step.
// This is an expensive operation and only done, if someone actually observes the animatedPathSegList() while an animation is running.
if (pathElement->isAnimValObserved()) {
SVGPathSegList& animatedList = currentAnimatedValue();
animatedList.clear();
buildSVGPathSegListFromByteStream(*m_animatedPathByteStream, *pathElement, animatedList, UnalteredParsing);
}
SVGAnimatedListPropertyTearOff<SVGPathSegList>::animValDidChange();
}
SVGPathByteStream* animatedPathByteStream() const { return m_animatedPathByteStream; }
private:
SVGAnimatedPathSegListPropertyTearOff(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType, SVGPathSegList& values)
: SVGAnimatedListPropertyTearOff<SVGPathSegList>(contextElement, attributeName, animatedPropertyType, values)
, m_animatedPathByteStream(nullptr)
{
ASSERT(contextElement);
ASSERT(is<SVGPathElement>(contextElement));
}
virtual ~SVGAnimatedPathSegListPropertyTearOff()
{
downcast<SVGPathElement>(contextElement())->animatedPropertyWillBeDeleted();
}
SVGPathByteStream* m_animatedPathByteStream;
};
}
#endif // SVGAnimatedPathSegListPropertyTearOff_h
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