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      1 /*
      2     Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3                   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 #if ENABLE(SVG)
     24 #include "SVGCursorElement.h"
     25 
     26 #include "Attr.h"
     27 #include "Document.h"
     28 #include "MappedAttribute.h"
     29 #include "SVGLength.h"
     30 #include "SVGNames.h"
     31 
     32 namespace WebCore {
     33 
     34 SVGCursorElement::SVGCursorElement(const QualifiedName& tagName, Document* doc)
     35     : SVGElement(tagName, doc)
     36     , SVGTests()
     37     , SVGExternalResourcesRequired()
     38     , SVGURIReference()
     39     , m_x(LengthModeWidth)
     40     , m_y(LengthModeHeight)
     41 {
     42 }
     43 
     44 SVGCursorElement::~SVGCursorElement()
     45 {
     46     HashSet<SVGElement*>::iterator end = m_clients.end();
     47     for (HashSet<SVGElement*>::iterator it = m_clients.begin(); it != end; ++it)
     48         (*it)->setCursorElement(0);
     49 }
     50 
     51 void SVGCursorElement::parseMappedAttribute(MappedAttribute* attr)
     52 {
     53     if (attr->name() == SVGNames::xAttr)
     54         setXBaseValue(SVGLength(LengthModeWidth, attr->value()));
     55     else if (attr->name() == SVGNames::yAttr)
     56         setYBaseValue(SVGLength(LengthModeHeight, attr->value()));
     57     else {
     58         if (SVGTests::parseMappedAttribute(attr))
     59             return;
     60         if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
     61             return;
     62         if (SVGURIReference::parseMappedAttribute(attr))
     63             return;
     64 
     65         SVGElement::parseMappedAttribute(attr);
     66     }
     67 }
     68 
     69 void SVGCursorElement::addClient(SVGElement* element)
     70 {
     71     m_clients.add(element);
     72     element->setCursorElement(this);
     73 }
     74 
     75 void SVGCursorElement::removeClient(SVGElement* element)
     76 {
     77     m_clients.remove(element);
     78     element->setCursorElement(0);
     79 }
     80 
     81 void SVGCursorElement::svgAttributeChanged(const QualifiedName& attrName)
     82 {
     83     SVGElement::svgAttributeChanged(attrName);
     84 
     85     if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr ||
     86         SVGTests::isKnownAttribute(attrName) ||
     87         SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
     88         SVGURIReference::isKnownAttribute(attrName)) {
     89         HashSet<SVGElement*>::const_iterator it = m_clients.begin();
     90         HashSet<SVGElement*>::const_iterator end = m_clients.end();
     91 
     92         for (; it != end; ++it)
     93             (*it)->setNeedsStyleRecalc();
     94     }
     95 }
     96 
     97 void SVGCursorElement::synchronizeProperty(const QualifiedName& attrName)
     98 {
     99     SVGElement::synchronizeProperty(attrName);
    100 
    101     if (attrName == anyQName()) {
    102         synchronizeX();
    103         synchronizeY();
    104         synchronizeExternalResourcesRequired();
    105         synchronizeHref();
    106         return;
    107     }
    108 
    109     if (attrName == SVGNames::xAttr)
    110         synchronizeX();
    111     else if (attrName == SVGNames::yAttr)
    112         synchronizeY();
    113     else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
    114         synchronizeExternalResourcesRequired();
    115     else if (SVGURIReference::isKnownAttribute(attrName))
    116         synchronizeHref();
    117 }
    118 
    119 void SVGCursorElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
    120 {
    121     SVGElement::addSubresourceAttributeURLs(urls);
    122 
    123     addSubresourceURL(urls, document()->completeURL(href()));
    124 }
    125 
    126 }
    127 
    128 #endif // ENABLE(SVG)
    129