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/*
* Copyright (C) Research In Motion Limited 2011. 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.
*/
#include "config.h"
#include "SVGAnimatedLengthList.h"
#include "SVGAnimateElementBase.h"
#include "SVGAnimatedNumber.h"
namespace WebCore {
SVGAnimatedLengthListAnimator::SVGAnimatedLengthListAnimator(SVGAnimationElement* animationElement, SVGElement* contextElement)
: SVGAnimatedTypeAnimator(AnimatedLengthList, animationElement, contextElement)
, m_lengthMode(SVGLength::lengthModeForAnimatedLengthAttribute(animationElement->attributeName()))
{
}
std::unique_ptr<SVGAnimatedType> SVGAnimatedLengthListAnimator::constructFromString(const String& string)
{
auto animatedType = SVGAnimatedType::createLengthList(std::make_unique<SVGLengthList>());
animatedType->lengthList().parse(string, m_lengthMode);
return animatedType;
}
std::unique_ptr<SVGAnimatedType> SVGAnimatedLengthListAnimator::startAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
{
return SVGAnimatedType::createLengthList(constructFromBaseValue<SVGAnimatedLengthList>(animatedTypes));
}
void SVGAnimatedLengthListAnimator::stopAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
{
stopAnimValAnimationForType<SVGAnimatedLengthList>(animatedTypes);
}
void SVGAnimatedLengthListAnimator::resetAnimValToBaseVal(const SVGElementAnimatedPropertyList& animatedTypes, SVGAnimatedType& type)
{
resetFromBaseValue<SVGAnimatedLengthList>(animatedTypes, type, &SVGAnimatedType::lengthList);
}
void SVGAnimatedLengthListAnimator::animValWillChange(const SVGElementAnimatedPropertyList& animatedTypes)
{
animValWillChangeForType<SVGAnimatedLengthList>(animatedTypes);
}
void SVGAnimatedLengthListAnimator::animValDidChange(const SVGElementAnimatedPropertyList& animatedTypes)
{
animValDidChangeForType<SVGAnimatedLengthList>(animatedTypes);
}
void SVGAnimatedLengthListAnimator::addAnimatedTypes(SVGAnimatedType* from, SVGAnimatedType* to)
{
ASSERT(from->type() == AnimatedLengthList);
ASSERT(from->type() == to->type());
const SVGLengthList& fromLengthList = from->lengthList();
SVGLengthList& toLengthList = to->lengthList();
unsigned fromLengthListSize = fromLengthList.size();
if (!fromLengthListSize || fromLengthListSize != toLengthList.size())
return;
SVGLengthContext lengthContext(m_contextElement);
for (unsigned i = 0; i < fromLengthListSize; ++i)
toLengthList[i].setValue(toLengthList[i].value(lengthContext) + fromLengthList[i].value(lengthContext), lengthContext, ASSERT_NO_EXCEPTION);
}
static SVGLengthList parseLengthListFromString(SVGAnimationElement* animationElement, const String& string)
{
SVGLengthList lengthList;
lengthList.parse(string, SVGLength::lengthModeForAnimatedLengthAttribute(animationElement->attributeName()));
return lengthList;
}
void SVGAnimatedLengthListAnimator::calculateAnimatedValue(float percentage, unsigned repeatCount, SVGAnimatedType* from, SVGAnimatedType* to, SVGAnimatedType* toAtEndOfDuration, SVGAnimatedType* animated)
{
ASSERT(m_animationElement);
ASSERT(m_contextElement);
SVGLengthList fromLengthList = m_animationElement->animationMode() == ToAnimation ? animated->lengthList() : from->lengthList();
SVGLengthList toLengthList = to->lengthList();
const SVGLengthList& toAtEndOfDurationLengthList = toAtEndOfDuration->lengthList();
SVGLengthList& animatedLengthList = animated->lengthList();
// Apply CSS inheritance rules.
m_animationElement->adjustForInheritance<SVGLengthList>(parseLengthListFromString, m_animationElement->fromPropertyValueType(), fromLengthList, m_contextElement);
m_animationElement->adjustForInheritance<SVGLengthList>(parseLengthListFromString, m_animationElement->toPropertyValueType(), toLengthList, m_contextElement);
if (!m_animationElement->adjustFromToListValues<SVGLengthList>(fromLengthList, toLengthList, animatedLengthList, percentage))
return;
unsigned fromLengthListSize = fromLengthList.size();
unsigned toLengthListSize = toLengthList.size();
unsigned toAtEndOfDurationListSize = toAtEndOfDurationLengthList.size();
SVGLengthContext lengthContext(m_contextElement);
for (unsigned i = 0; i < toLengthListSize; ++i) {
float animatedNumber = animatedLengthList[i].value(lengthContext);
SVGLengthType unitType = toLengthList[i].unitType();
float effectiveFrom = 0;
if (fromLengthListSize) {
if (percentage < 0.5)
unitType = fromLengthList[i].unitType();
effectiveFrom = fromLengthList[i].value(lengthContext);
}
float effectiveToAtEnd = i < toAtEndOfDurationListSize ? toAtEndOfDurationLengthList[i].value(lengthContext) : 0;
m_animationElement->animateAdditiveNumber(percentage, repeatCount, effectiveFrom, toLengthList[i].value(lengthContext), effectiveToAtEnd, animatedNumber);
animatedLengthList[i].setValue(lengthContext, animatedNumber, m_lengthMode, unitType, ASSERT_NO_EXCEPTION);
}
}
float SVGAnimatedLengthListAnimator::calculateDistance(const String&, const String&)
{
// FIXME: Distance calculation is not possible for SVGLengthList right now. We need the distance for every single value.
return -1;
}
}
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