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/SVGAnimatedPreserveAspectRatio.h"
23
24#include "core/svg/SVGAnimateElement.h"
25
26namespace WebCore {
27
28SVGAnimatedPreserveAspectRatioAnimator::SVGAnimatedPreserveAspectRatioAnimator(SVGAnimationElement* animationElement, SVGElement* contextElement)
29    : SVGAnimatedTypeAnimator(AnimatedPreserveAspectRatio, animationElement, contextElement)
30{
31}
32
33PassOwnPtr<SVGAnimatedType> SVGAnimatedPreserveAspectRatioAnimator::constructFromString(const String& string)
34{
35    OwnPtr<SVGAnimatedType> animatedType = SVGAnimatedType::createPreserveAspectRatio(new SVGPreserveAspectRatio);
36    animatedType->preserveAspectRatio().parse(string);
37    return animatedType.release();
38}
39
40PassOwnPtr<SVGAnimatedType> SVGAnimatedPreserveAspectRatioAnimator::startAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
41{
42    return SVGAnimatedType::createPreserveAspectRatio(constructFromBaseValue<SVGAnimatedPreserveAspectRatio>(animatedTypes));
43}
44
45void SVGAnimatedPreserveAspectRatioAnimator::stopAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
46{
47    stopAnimValAnimationForType<SVGAnimatedPreserveAspectRatio>(animatedTypes);
48}
49
50void SVGAnimatedPreserveAspectRatioAnimator::resetAnimValToBaseVal(const SVGElementAnimatedPropertyList& animatedTypes, SVGAnimatedType* type)
51{
52    resetFromBaseValue<SVGAnimatedPreserveAspectRatio>(animatedTypes, type, &SVGAnimatedType::preserveAspectRatio);
53}
54
55void SVGAnimatedPreserveAspectRatioAnimator::animValWillChange(const SVGElementAnimatedPropertyList& animatedTypes)
56{
57    animValWillChangeForType<SVGAnimatedPreserveAspectRatio>(animatedTypes);
58}
59
60void SVGAnimatedPreserveAspectRatioAnimator::animValDidChange(const SVGElementAnimatedPropertyList& animatedTypes)
61{
62    animValDidChangeForType<SVGAnimatedPreserveAspectRatio>(animatedTypes);
63}
64
65void SVGAnimatedPreserveAspectRatioAnimator::addAnimatedTypes(SVGAnimatedType*, SVGAnimatedType*)
66{
67    ASSERT_NOT_REACHED();
68}
69
70void SVGAnimatedPreserveAspectRatioAnimator::calculateAnimatedValue(float percentage, unsigned, SVGAnimatedType* from, SVGAnimatedType* to, SVGAnimatedType*, SVGAnimatedType* animated)
71{
72    ASSERT(m_animationElement);
73    ASSERT(m_contextElement);
74
75    const SVGPreserveAspectRatio& fromPreserveAspectRatio = m_animationElement->animationMode() == ToAnimation ? animated->preserveAspectRatio() : from->preserveAspectRatio();
76    const SVGPreserveAspectRatio& toPreserveAspectRatio = to->preserveAspectRatio();
77    SVGPreserveAspectRatio& animatedPreserveAspectRatio = animated->preserveAspectRatio();
78
79    m_animationElement->animateDiscreteType<SVGPreserveAspectRatio>(percentage, fromPreserveAspectRatio, toPreserveAspectRatio, animatedPreserveAspectRatio);
80}
81
82float SVGAnimatedPreserveAspectRatioAnimator::calculateDistance(const String&, const String&)
83{
84    // No paced animations for SVGPreserveAspectRatio.
85    return -1;
86}
87
88}
89