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
22#include "core/svg/SVGAnimatedNumberList.h"
23
24#include "core/svg/SVGAnimateElement.h"
25#include "core/svg/SVGAnimatedNumber.h"
26
27namespace WebCore {
28
29SVGAnimatedNumberListAnimator::SVGAnimatedNumberListAnimator(SVGAnimationElement* animationElement, SVGElement* contextElement)
30    : SVGAnimatedTypeAnimator(AnimatedNumberList, animationElement, contextElement)
31{
32}
33
34PassOwnPtr<SVGAnimatedType> SVGAnimatedNumberListAnimator::constructFromString(const String& string)
35{
36    OwnPtr<SVGAnimatedType> animtedType = SVGAnimatedType::createNumberList(new SVGNumberList);
37    animtedType->numberList().parse(string);
38    return animtedType.release();
39}
40
41PassOwnPtr<SVGAnimatedType> SVGAnimatedNumberListAnimator::startAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
42{
43    return SVGAnimatedType::createNumberList(constructFromBaseValue<SVGAnimatedNumberList>(animatedTypes));
44}
45
46void SVGAnimatedNumberListAnimator::stopAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
47{
48    stopAnimValAnimationForType<SVGAnimatedNumberList>(animatedTypes);
49}
50
51void SVGAnimatedNumberListAnimator::resetAnimValToBaseVal(const SVGElementAnimatedPropertyList& animatedTypes, SVGAnimatedType* type)
52{
53    resetFromBaseValue<SVGAnimatedNumberList>(animatedTypes, type, &SVGAnimatedType::numberList);
54}
55
56void SVGAnimatedNumberListAnimator::animValWillChange(const SVGElementAnimatedPropertyList& animatedTypes)
57{
58    animValWillChangeForType<SVGAnimatedNumberList>(animatedTypes);
59}
60
61void SVGAnimatedNumberListAnimator::animValDidChange(const SVGElementAnimatedPropertyList& animatedTypes)
62{
63    animValDidChangeForType<SVGAnimatedNumberList>(animatedTypes);
64}
65
66void SVGAnimatedNumberListAnimator::addAnimatedTypes(SVGAnimatedType* from, SVGAnimatedType* to)
67{
68    ASSERT(from->type() == AnimatedNumberList);
69    ASSERT(from->type() == to->type());
70
71    const SVGNumberList& fromNumberList = from->numberList();
72    SVGNumberList& toNumberList = to->numberList();
73
74    unsigned fromNumberListSize = fromNumberList.size();
75    if (!fromNumberListSize || fromNumberListSize != toNumberList.size())
76        return;
77
78    for (unsigned i = 0; i < fromNumberListSize; ++i)
79        toNumberList[i] += fromNumberList[i];
80}
81
82void SVGAnimatedNumberListAnimator::calculateAnimatedValue(float percentage, unsigned repeatCount, SVGAnimatedType* from, SVGAnimatedType* to, SVGAnimatedType* toAtEndOfDuration, SVGAnimatedType* animated)
83{
84    ASSERT(m_animationElement);
85
86    const SVGNumberList& fromNumberList = m_animationElement->animationMode() == ToAnimation ? animated->numberList() : from->numberList();
87    const SVGNumberList& toNumberList = to->numberList();
88    const SVGNumberList& toAtEndOfDurationNumberList = toAtEndOfDuration->numberList();
89    SVGNumberList& animatedNumberList = animated->numberList();
90    if (!m_animationElement->adjustFromToListValues<SVGNumberList>(fromNumberList, toNumberList, animatedNumberList, percentage))
91        return;
92
93    unsigned fromNumberListSize = fromNumberList.size();
94    unsigned toNumberListSize = toNumberList.size();
95    unsigned toAtEndOfDurationSize = toAtEndOfDurationNumberList.size();
96
97    for (unsigned i = 0; i < toNumberListSize; ++i) {
98        float effectiveFrom = fromNumberListSize ? fromNumberList[i].value() : 0;
99        float effectiveToAtEnd = i < toAtEndOfDurationSize ? toAtEndOfDurationNumberList[i].value() : 0;
100        m_animationElement->animateAdditiveNumber(percentage, repeatCount, effectiveFrom, toNumberList[i].value(), effectiveToAtEnd, animatedNumberList[i].valueRef());
101    }
102}
103
104float SVGAnimatedNumberListAnimator::calculateDistance(const String&, const String&)
105{
106    // FIXME: Distance calculation is not possible for SVGNumberList right now. We need the distance for every single value.
107    return -1;
108}
109
110}
111