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
26 namespace WebCore {
27
SVGAnimatedPreserveAspectRatioAnimator(SVGAnimationElement * animationElement,SVGElement * contextElement)28 SVGAnimatedPreserveAspectRatioAnimator::SVGAnimatedPreserveAspectRatioAnimator(SVGAnimationElement* animationElement, SVGElement* contextElement)
29 : SVGAnimatedTypeAnimator(AnimatedPreserveAspectRatio, animationElement, contextElement)
30 {
31 }
32
constructFromString(const String & string)33 PassOwnPtr<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
startAnimValAnimation(const SVGElementAnimatedPropertyList & animatedTypes)40 PassOwnPtr<SVGAnimatedType> SVGAnimatedPreserveAspectRatioAnimator::startAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
41 {
42 return SVGAnimatedType::createPreserveAspectRatio(constructFromBaseValue<SVGAnimatedPreserveAspectRatio>(animatedTypes));
43 }
44
stopAnimValAnimation(const SVGElementAnimatedPropertyList & animatedTypes)45 void SVGAnimatedPreserveAspectRatioAnimator::stopAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
46 {
47 stopAnimValAnimationForType<SVGAnimatedPreserveAspectRatio>(animatedTypes);
48 }
49
resetAnimValToBaseVal(const SVGElementAnimatedPropertyList & animatedTypes,SVGAnimatedType * type)50 void SVGAnimatedPreserveAspectRatioAnimator::resetAnimValToBaseVal(const SVGElementAnimatedPropertyList& animatedTypes, SVGAnimatedType* type)
51 {
52 resetFromBaseValue<SVGAnimatedPreserveAspectRatio>(animatedTypes, type, &SVGAnimatedType::preserveAspectRatio);
53 }
54
animValWillChange(const SVGElementAnimatedPropertyList & animatedTypes)55 void SVGAnimatedPreserveAspectRatioAnimator::animValWillChange(const SVGElementAnimatedPropertyList& animatedTypes)
56 {
57 animValWillChangeForType<SVGAnimatedPreserveAspectRatio>(animatedTypes);
58 }
59
animValDidChange(const SVGElementAnimatedPropertyList & animatedTypes)60 void SVGAnimatedPreserveAspectRatioAnimator::animValDidChange(const SVGElementAnimatedPropertyList& animatedTypes)
61 {
62 animValDidChangeForType<SVGAnimatedPreserveAspectRatio>(animatedTypes);
63 }
64
addAnimatedTypes(SVGAnimatedType *,SVGAnimatedType *)65 void SVGAnimatedPreserveAspectRatioAnimator::addAnimatedTypes(SVGAnimatedType*, SVGAnimatedType*)
66 {
67 ASSERT_NOT_REACHED();
68 }
69
calculateAnimatedValue(float percentage,unsigned,SVGAnimatedType * from,SVGAnimatedType * to,SVGAnimatedType *,SVGAnimatedType * animated)70 void 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
calculateDistance(const String &,const String &)82 float SVGAnimatedPreserveAspectRatioAnimator::calculateDistance(const String&, const String&)
83 {
84 // No paced animations for SVGPreserveAspectRatio.
85 return -1;
86 }
87
88 }
89