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| 1 /* | |
| 2 * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved. | |
| 3 * Copyright (C) 2013 Samsung Electronics. All rights reserved. | |
| 4 * | |
| 5 * This library is free software; you can redistribute it and/or | |
| 6 * modify it under the terms of the GNU Library General Public | |
| 7 * License as published by the Free Software Foundation; either | |
| 8 * version 2 of the License, or (at your option) any later version. | |
| 9 * | |
| 10 * This library is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 * Library General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU Library General Public License | |
| 16 * along with this library; see the file COPYING.LIB. If not, write to | |
| 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 18 * Boston, MA 02110-1301, USA. | |
| 19 */ | |
| 20 | |
| 21 #include "core/svg/SVGAnimatedTypeAnimator.h" | |
| 22 | |
| 23 #include "core/svg/SVGAnimateTransformElement.h" | |
| 24 #include "core/svg/SVGAnimatedColor.h" | |
| 25 #include "core/svg/SVGAnimationElement.h" | |
| 26 #include "core/svg/SVGLength.h" | |
| 27 #include "core/svg/SVGLengthList.h" | |
| 28 #include "core/svg/SVGNumber.h" | |
| 29 #include "core/svg/SVGString.h" | |
| 30 #include "core/svg/SVGTransformList.h" | |
| 31 #include "core/svg/properties/SVGAnimatedProperty.h" | |
| 32 | |
| 33 namespace blink { | |
| 34 | |
| 35 SVGAnimatedTypeAnimator::SVGAnimatedTypeAnimator( | |
| 36 SVGAnimationElement* animationElement) | |
| 37 : m_animationElement(animationElement), | |
| 38 m_type(AnimatedUnknown), | |
| 39 m_cssProperty(CSSPropertyInvalid) { | |
| 40 DCHECK(m_animationElement); | |
| 41 } | |
| 42 | |
| 43 void SVGAnimatedTypeAnimator::clear() { | |
| 44 m_animatedProperty = nullptr; | |
| 45 m_type = AnimatedUnknown; | |
| 46 m_cssProperty = CSSPropertyInvalid; | |
| 47 } | |
| 48 | |
| 49 void SVGAnimatedTypeAnimator::reset(const SVGElement& contextElement) { | |
| 50 const QualifiedName& attributeName = m_animationElement->attributeName(); | |
| 51 m_animatedProperty = contextElement.propertyFromAttribute(attributeName); | |
| 52 if (m_animatedProperty) { | |
| 53 m_type = m_animatedProperty->type(); | |
| 54 m_cssProperty = m_animatedProperty->cssPropertyId(); | |
| 55 | |
| 56 if (m_type == AnimatedTransformList) { | |
| 57 // Only <animateTransform> is allowed to animate AnimatedTransformList. | |
| 58 // http://www.w3.org/TR/SVG/animate.html#AnimationAttributesAndProperties | |
| 59 if (!isSVGAnimateTransformElement(*m_animationElement)) | |
| 60 m_type = AnimatedUnknown; | |
| 61 // Because of the syntactic mismatch between the CSS and SVGProperty | |
| 62 // representations, disallow CSS animations of transform list for | |
| 63 // now. (We also reject this case via | |
| 64 // SVGAnimateTransformElement::hasValidAttributeType ATM.) | |
| 65 m_cssProperty = CSSPropertyInvalid; | |
| 66 } | |
| 67 } else { | |
| 68 m_type = SVGElement::animatedPropertyTypeForCSSAttribute(attributeName); | |
| 69 m_cssProperty = m_type != AnimatedUnknown | |
| 70 ? cssPropertyID(attributeName.localName()) | |
| 71 : CSSPropertyInvalid; | |
| 72 DCHECK_NE(m_type, AnimatedTransformList); | |
| 73 } | |
| 74 | |
| 75 DCHECK(m_type != AnimatedPoint && m_type != AnimatedStringList && | |
| 76 m_type != AnimatedTransform); | |
| 77 } | |
| 78 | |
| 79 SVGPropertyBase* SVGAnimatedTypeAnimator::createPropertyForAttributeAnimation( | |
| 80 const String& value) const { | |
| 81 // SVG DOM animVal animation code-path. | |
| 82 if (m_type == AnimatedTransformList) { | |
| 83 // TransformList must be animated via <animateTransform>, and its | |
| 84 // {from,by,to} attribute values needs to be parsed w.r.t. its "type" | |
| 85 // attribute. Spec: | |
| 86 // http://www.w3.org/TR/SVG/single-page.html#animate-AnimateTransformElement | |
| 87 DCHECK(m_animationElement); | |
| 88 SVGTransformType transformType = | |
| 89 toSVGAnimateTransformElement(m_animationElement)->transformType(); | |
| 90 return SVGTransformList::create(transformType, value); | |
| 91 } | |
| 92 DCHECK(m_animatedProperty); | |
| 93 return m_animatedProperty->currentValueBase()->cloneForAnimation(value); | |
| 94 } | |
| 95 | |
| 96 SVGPropertyBase* SVGAnimatedTypeAnimator::createPropertyForCSSAnimation( | |
| 97 const String& value) const { | |
| 98 // CSS properties animation code-path. | |
| 99 // Create a basic instance of the corresponding SVG property. | |
| 100 // The instance will not have full context info. (e.g. SVGLengthMode) | |
| 101 switch (m_type) { | |
| 102 case AnimatedColor: | |
| 103 return SVGColorProperty::create(value); | |
| 104 case AnimatedNumber: { | |
| 105 SVGNumber* property = SVGNumber::create(); | |
| 106 property->setValueAsString(value); | |
| 107 return property; | |
| 108 } | |
| 109 case AnimatedLength: { | |
| 110 SVGLength* property = SVGLength::create(); | |
| 111 property->setValueAsString(value); | |
| 112 return property; | |
| 113 } | |
| 114 case AnimatedLengthList: { | |
| 115 SVGLengthList* property = SVGLengthList::create(); | |
| 116 property->setValueAsString(value); | |
| 117 return property; | |
| 118 } | |
| 119 case AnimatedString: { | |
| 120 SVGString* property = SVGString::create(); | |
| 121 property->setValueAsString(value); | |
| 122 return property; | |
| 123 } | |
| 124 // These types don't appear in the table in | |
| 125 // SVGElement::animatedPropertyTypeForCSSAttribute() and thus don't need | |
| 126 // support. | |
| 127 case AnimatedAngle: | |
| 128 case AnimatedBoolean: | |
| 129 case AnimatedEnumeration: | |
| 130 case AnimatedInteger: | |
| 131 case AnimatedIntegerOptionalInteger: | |
| 132 case AnimatedNumberList: | |
| 133 case AnimatedNumberOptionalNumber: | |
| 134 case AnimatedPath: | |
| 135 case AnimatedPoint: | |
| 136 case AnimatedPoints: | |
| 137 case AnimatedPreserveAspectRatio: | |
| 138 case AnimatedRect: | |
| 139 case AnimatedStringList: | |
| 140 case AnimatedTransform: | |
| 141 case AnimatedTransformList: | |
| 142 case AnimatedUnknown: | |
| 143 break; | |
| 144 default: | |
| 145 break; | |
| 146 } | |
| 147 NOTREACHED(); | |
| 148 return nullptr; | |
| 149 } | |
| 150 | |
| 151 SVGPropertyBase* SVGAnimatedTypeAnimator::createPropertyForAnimation( | |
| 152 const String& value) const { | |
| 153 if (isAnimatingSVGDom()) | |
| 154 return createPropertyForAttributeAnimation(value); | |
| 155 DCHECK(isAnimatingCSSProperty()); | |
| 156 return createPropertyForCSSAnimation(value); | |
| 157 } | |
| 158 | |
| 159 SVGPropertyBase* SVGAnimatedTypeAnimator::createAnimatedValue() const { | |
| 160 DCHECK(isAnimatingSVGDom()); | |
| 161 SVGPropertyBase* animatedValue = m_animatedProperty->createAnimatedValue(); | |
| 162 DCHECK_EQ(animatedValue->type(), m_type); | |
| 163 return animatedValue; | |
| 164 } | |
| 165 | |
| 166 DEFINE_TRACE(SVGAnimatedTypeAnimator) { | |
| 167 visitor->trace(m_animationElement); | |
| 168 visitor->trace(m_animatedProperty); | |
| 169 } | |
| 170 | |
| 171 } // namespace blink | |
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Chromium Code Reviews
Issue 2595393002:
Fold SVGAnimatedTypeAnimator into SVGAnimateElement (Closed)
