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