code.vuplus.com Git - vuplus_webkit/blob - Source/WebCore/svg/SVGViewElement.cpp

   1 /*
   2  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
   3  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@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 "SVGViewElement.h"
  25
  26 #include "Attribute.h"
  27 #include "SVGFitToViewBox.h"
  28 #include "SVGNames.h"
  29 #include "SVGStringList.h"
  30 #include "SVGZoomAndPan.h"
  31
  32 namespace WebCore {
  33
  34 // Animated property definitions
  35 DEFINE_ANIMATED_BOOLEAN(SVGViewElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
  36 DEFINE_ANIMATED_RECT(SVGViewElement, SVGNames::viewBoxAttr, ViewBox, viewBox)
  37 DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGViewElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
  38
  39 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGViewElement)
  40     REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
  41     REGISTER_LOCAL_ANIMATED_PROPERTY(viewBox)
  42     REGISTER_LOCAL_ANIMATED_PROPERTY(preserveAspectRatio)
  43     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGStyledElement)
  44 END_REGISTER_ANIMATED_PROPERTIES
  45
  46 inline SVGViewElement::SVGViewElement(const QualifiedName& tagName, Document* document)
  47     : SVGStyledElement(tagName, document)
  48     , m_viewTarget(SVGNames::viewTargetAttr)
  49 {
  50     ASSERT(hasTagName(SVGNames::viewTag));
  51     registerAnimatedPropertiesForSVGViewElement();
  52 }
  53
  54 PassRefPtr<SVGViewElement> SVGViewElement::create(const QualifiedName& tagName, Document* document)
  55 {
  56     return adoptRef(new SVGViewElement(tagName, document));
  57 }
  58
  59 bool SVGViewElement::isSupportedAttribute(const QualifiedName& attrName)
  60 {
  61     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
  62     if (supportedAttributes.isEmpty()) {
  63         SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
  64         SVGFitToViewBox::addSupportedAttributes(supportedAttributes);
  65         SVGZoomAndPan::addSupportedAttributes(supportedAttributes);
  66         supportedAttributes.add(SVGNames::viewTargetAttr);
  67     }
  68     return supportedAttributes.contains(attrName);
  69 }
  70
  71 void SVGViewElement::parseMappedAttribute(Attribute* attr)
  72 {
  73     if (!isSupportedAttribute(attr->name())) {
  74         SVGStyledElement::parseMappedAttribute(attr);
  75         return;
  76     }
  77
  78     if (attr->name() == SVGNames::viewTargetAttr) {
  79         viewTarget().reset(attr->value());
  80         return;
  81     }
  82
  83     if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
  84         return;
  85     if (SVGFitToViewBox::parseMappedAttribute(document(), attr))
  86         return;
  87     if (SVGZoomAndPan::parseMappedAttribute(attr))
  88         return;
  89
  90     ASSERT_NOT_REACHED();
  91 }
  92
  93 }
  94
  95 #endif // ENABLE(SVG)