1/* 2 * Copyright (C) Research In Motion Limited 2011. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20#include "config.h" 21#include "SVGAnimatedLengthList.h" 22 23#include "SVGAnimateElement.h" 24#include "SVGAnimatedNumber.h" 25 26namespace WebCore { 27 28SVGAnimatedLengthListAnimator::SVGAnimatedLengthListAnimator(SVGAnimationElement* animationElement, SVGElement* contextElement) 29 : SVGAnimatedTypeAnimator(AnimatedLengthList, animationElement, contextElement) 30 , m_lengthMode(SVGLength::lengthModeForAnimatedLengthAttribute(animationElement->attributeName())) 31{ 32} 33 34std::unique_ptr<SVGAnimatedType> SVGAnimatedLengthListAnimator::constructFromString(const String& string) 35{ 36 auto animatedType = SVGAnimatedType::createLengthList(std::make_unique<SVGLengthList>()); 37 animatedType->lengthList().parse(string, m_lengthMode); 38 return animatedType; 39} 40 41std::unique_ptr<SVGAnimatedType> SVGAnimatedLengthListAnimator::startAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes) 42{ 43 return SVGAnimatedType::createLengthList(constructFromBaseValue<SVGAnimatedLengthList>(animatedTypes)); 44} 45 46void SVGAnimatedLengthListAnimator::stopAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes) 47{ 48 stopAnimValAnimationForType<SVGAnimatedLengthList>(animatedTypes); 49} 50 51void SVGAnimatedLengthListAnimator::resetAnimValToBaseVal(const SVGElementAnimatedPropertyList& animatedTypes, SVGAnimatedType* type) 52{ 53 resetFromBaseValue<SVGAnimatedLengthList>(animatedTypes, type, &SVGAnimatedType::lengthList); 54} 55 56void SVGAnimatedLengthListAnimator::animValWillChange(const SVGElementAnimatedPropertyList& animatedTypes) 57{ 58 animValWillChangeForType<SVGAnimatedLengthList>(animatedTypes); 59} 60 61void SVGAnimatedLengthListAnimator::animValDidChange(const SVGElementAnimatedPropertyList& animatedTypes) 62{ 63 animValDidChangeForType<SVGAnimatedLengthList>(animatedTypes); 64} 65 66void SVGAnimatedLengthListAnimator::addAnimatedTypes(SVGAnimatedType* from, SVGAnimatedType* to) 67{ 68 ASSERT(from->type() == AnimatedLengthList); 69 ASSERT(from->type() == to->type()); 70 71 const SVGLengthList& fromLengthList = from->lengthList(); 72 SVGLengthList& toLengthList = to->lengthList(); 73 74 unsigned fromLengthListSize = fromLengthList.size(); 75 if (!fromLengthListSize || fromLengthListSize != toLengthList.size()) 76 return; 77 78 SVGLengthContext lengthContext(m_contextElement); 79 for (unsigned i = 0; i < fromLengthListSize; ++i) 80 toLengthList[i].setValue(toLengthList[i].value(lengthContext) + fromLengthList[i].value(lengthContext), lengthContext, ASSERT_NO_EXCEPTION); 81} 82 83static SVGLengthList parseLengthListFromString(SVGAnimationElement* animationElement, const String& string) 84{ 85 SVGLengthList lengthList; 86 lengthList.parse(string, SVGLength::lengthModeForAnimatedLengthAttribute(animationElement->attributeName())); 87 return lengthList; 88} 89 90void SVGAnimatedLengthListAnimator::calculateAnimatedValue(float percentage, unsigned repeatCount, SVGAnimatedType* from, SVGAnimatedType* to, SVGAnimatedType* toAtEndOfDuration, SVGAnimatedType* animated) 91{ 92 ASSERT(m_animationElement); 93 ASSERT(m_contextElement); 94 95 SVGLengthList fromLengthList = m_animationElement->animationMode() == ToAnimation ? animated->lengthList() : from->lengthList(); 96 SVGLengthList toLengthList = to->lengthList(); 97 const SVGLengthList& toAtEndOfDurationLengthList = toAtEndOfDuration->lengthList(); 98 SVGLengthList& animatedLengthList = animated->lengthList(); 99 100 // Apply CSS inheritance rules. 101 m_animationElement->adjustForInheritance<SVGLengthList>(parseLengthListFromString, m_animationElement->fromPropertyValueType(), fromLengthList, m_contextElement); 102 m_animationElement->adjustForInheritance<SVGLengthList>(parseLengthListFromString, m_animationElement->toPropertyValueType(), toLengthList, m_contextElement); 103 104 if (!m_animationElement->adjustFromToListValues<SVGLengthList>(fromLengthList, toLengthList, animatedLengthList, percentage)) 105 return; 106 107 unsigned fromLengthListSize = fromLengthList.size(); 108 unsigned toLengthListSize = toLengthList.size(); 109 unsigned toAtEndOfDurationListSize = toAtEndOfDurationLengthList.size(); 110 111 SVGLengthContext lengthContext(m_contextElement); 112 for (unsigned i = 0; i < toLengthListSize; ++i) { 113 float animatedNumber = animatedLengthList[i].value(lengthContext); 114 SVGLengthType unitType = toLengthList[i].unitType(); 115 float effectiveFrom = 0; 116 if (fromLengthListSize) { 117 if (percentage < 0.5) 118 unitType = fromLengthList[i].unitType(); 119 effectiveFrom = fromLengthList[i].value(lengthContext); 120 } 121 float effectiveToAtEnd = i < toAtEndOfDurationListSize ? toAtEndOfDurationLengthList[i].value(lengthContext) : 0; 122 123 m_animationElement->animateAdditiveNumber(percentage, repeatCount, effectiveFrom, toLengthList[i].value(lengthContext), effectiveToAtEnd, animatedNumber); 124 animatedLengthList[i].setValue(lengthContext, animatedNumber, m_lengthMode, unitType, ASSERT_NO_EXCEPTION); 125 } 126} 127 128float SVGAnimatedLengthListAnimator::calculateDistance(const String&, const String&) 129{ 130 // FIXME: Distance calculation is not possible for SVGLengthList right now. We need the distance for every single value. 131 return -1; 132} 133 134} 135