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      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis (at) kde.org>
      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 "config.h"
     22 
     23 #include "core/svg/SVGRectElement.h"
     24 
     25 #include "SVGNames.h"
     26 #include "core/rendering/svg/RenderSVGRect.h"
     27 #include "core/rendering/svg/RenderSVGResource.h"
     28 #include "core/svg/SVGElementInstance.h"
     29 #include "core/svg/SVGLength.h"
     30 
     31 namespace WebCore {
     32 
     33 // Animated property definitions
     34 DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::xAttr, X, x)
     35 DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::yAttr, Y, y)
     36 DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::widthAttr, Width, width)
     37 DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::heightAttr, Height, height)
     38 DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::rxAttr, Rx, rx)
     39 DEFINE_ANIMATED_LENGTH(SVGRectElement, SVGNames::ryAttr, Ry, ry)
     40 DEFINE_ANIMATED_BOOLEAN(SVGRectElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
     41 
     42 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGRectElement)
     43     REGISTER_LOCAL_ANIMATED_PROPERTY(x)
     44     REGISTER_LOCAL_ANIMATED_PROPERTY(y)
     45     REGISTER_LOCAL_ANIMATED_PROPERTY(width)
     46     REGISTER_LOCAL_ANIMATED_PROPERTY(height)
     47     REGISTER_LOCAL_ANIMATED_PROPERTY(rx)
     48     REGISTER_LOCAL_ANIMATED_PROPERTY(ry)
     49     REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
     50     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
     51 END_REGISTER_ANIMATED_PROPERTIES
     52 
     53 inline SVGRectElement::SVGRectElement(const QualifiedName& tagName, Document* document)
     54     : SVGGraphicsElement(tagName, document)
     55     , m_x(LengthModeWidth)
     56     , m_y(LengthModeHeight)
     57     , m_width(LengthModeWidth)
     58     , m_height(LengthModeHeight)
     59     , m_rx(LengthModeWidth)
     60     , m_ry(LengthModeHeight)
     61 {
     62     ASSERT(hasTagName(SVGNames::rectTag));
     63     ScriptWrappable::init(this);
     64     registerAnimatedPropertiesForSVGRectElement();
     65 }
     66 
     67 PassRefPtr<SVGRectElement> SVGRectElement::create(const QualifiedName& tagName, Document* document)
     68 {
     69     return adoptRef(new SVGRectElement(tagName, document));
     70 }
     71 
     72 bool SVGRectElement::isSupportedAttribute(const QualifiedName& attrName)
     73 {
     74     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     75     if (supportedAttributes.isEmpty()) {
     76         SVGLangSpace::addSupportedAttributes(supportedAttributes);
     77         SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
     78         supportedAttributes.add(SVGNames::xAttr);
     79         supportedAttributes.add(SVGNames::yAttr);
     80         supportedAttributes.add(SVGNames::widthAttr);
     81         supportedAttributes.add(SVGNames::heightAttr);
     82         supportedAttributes.add(SVGNames::rxAttr);
     83         supportedAttributes.add(SVGNames::ryAttr);
     84     }
     85     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
     86 }
     87 
     88 void SVGRectElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
     89 {
     90     SVGParsingError parseError = NoError;
     91 
     92     if (!isSupportedAttribute(name))
     93         SVGGraphicsElement::parseAttribute(name, value);
     94     else if (name == SVGNames::xAttr)
     95         setXBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
     96     else if (name == SVGNames::yAttr)
     97         setYBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
     98     else if (name == SVGNames::rxAttr)
     99         setRxBaseValue(SVGLength::construct(LengthModeWidth, value, parseError, ForbidNegativeLengths));
    100     else if (name == SVGNames::ryAttr)
    101         setRyBaseValue(SVGLength::construct(LengthModeHeight, value, parseError, ForbidNegativeLengths));
    102     else if (name == SVGNames::widthAttr)
    103         setWidthBaseValue(SVGLength::construct(LengthModeWidth, value, parseError, ForbidNegativeLengths));
    104     else if (name == SVGNames::heightAttr)
    105         setHeightBaseValue(SVGLength::construct(LengthModeHeight, value, parseError, ForbidNegativeLengths));
    106     else if (SVGLangSpace::parseAttribute(name, value)
    107              || SVGExternalResourcesRequired::parseAttribute(name, value)) {
    108     } else
    109         ASSERT_NOT_REACHED();
    110 
    111     reportAttributeParsingError(parseError, name, value);
    112 }
    113 
    114 void SVGRectElement::svgAttributeChanged(const QualifiedName& attrName)
    115 {
    116     if (!isSupportedAttribute(attrName)) {
    117         SVGGraphicsElement::svgAttributeChanged(attrName);
    118         return;
    119     }
    120 
    121     SVGElementInstance::InvalidationGuard invalidationGuard(this);
    122 
    123     bool isLengthAttribute = attrName == SVGNames::xAttr
    124                           || attrName == SVGNames::yAttr
    125                           || attrName == SVGNames::widthAttr
    126                           || attrName == SVGNames::heightAttr
    127                           || attrName == SVGNames::rxAttr
    128                           || attrName == SVGNames::ryAttr;
    129 
    130     if (isLengthAttribute)
    131         updateRelativeLengthsInformation();
    132 
    133     RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
    134     if (!renderer)
    135         return;
    136 
    137     if (isLengthAttribute) {
    138         renderer->setNeedsShapeUpdate();
    139         RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
    140         return;
    141     }
    142 
    143     if (SVGLangSpace::isKnownAttribute(attrName) || SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
    144         RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
    145         return;
    146     }
    147 
    148     ASSERT_NOT_REACHED();
    149 }
    150 
    151 bool SVGRectElement::selfHasRelativeLengths() const
    152 {
    153     return xCurrentValue().isRelative()
    154         || yCurrentValue().isRelative()
    155         || widthCurrentValue().isRelative()
    156         || heightCurrentValue().isRelative()
    157         || rxCurrentValue().isRelative()
    158         || ryCurrentValue().isRelative();
    159 }
    160 
    161 RenderObject* SVGRectElement::createRenderer(RenderStyle*)
    162 {
    163     return new RenderSVGRect(this);
    164 }
    165 
    166 }
    167