diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGForeignObjectElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGForeignObjectElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,158 @@
+/*
+    Copyright (C) 2006 Apple Computer, Inc.
+              (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
+
+    This file is part of the WebKit project
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include "config.h"
+
+#if ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT)
+#include "SVGForeignObjectElement.h"
+
+#include "Attribute.h"
+#include "CSSPropertyNames.h"
+#include "RenderForeignObject.h"
+#include "RenderSVGResource.h"
+#include "SVGLength.h"
+#include "SVGNames.h"
+#include <wtf/Assertions.h>
+
+namespace WebCore {
+
+SVGForeignObjectElement::SVGForeignObjectElement(const QualifiedName& tagName, Document *doc)
+    : SVGStyledTransformableElement(tagName, doc)
+    , SVGTests()
+    , SVGLangSpace()
+    , SVGExternalResourcesRequired()
+    , m_x(LengthModeWidth)
+    , m_y(LengthModeHeight)
+    , m_width(LengthModeWidth)
+    , m_height(LengthModeHeight)
+{
+}
+
+SVGForeignObjectElement::~SVGForeignObjectElement()
+{
+}
+
+void SVGForeignObjectElement::parseMappedAttribute(Attribute* attr)
+{
+    const AtomicString& value = attr->value();
+    if (attr->name() == SVGNames::xAttr)
+        setXBaseValue(SVGLength(LengthModeWidth, value));
+    else if (attr->name() == SVGNames::yAttr)
+        setYBaseValue(SVGLength(LengthModeHeight, value));
+    else if (attr->name() == SVGNames::widthAttr)
+        setWidthBaseValue(SVGLength(LengthModeWidth, value));
+    else if (attr->name() == SVGNames::heightAttr)
+        setHeightBaseValue(SVGLength(LengthModeHeight, value));
+    else {
+        if (SVGTests::parseMappedAttribute(attr))
+            return;
+        if (SVGLangSpace::parseMappedAttribute(attr))
+            return;
+        if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
+            return;
+        SVGStyledTransformableElement::parseMappedAttribute(attr);
+    }
+}
+
+void SVGForeignObjectElement::svgAttributeChanged(const QualifiedName& attrName)
+{
+    SVGStyledTransformableElement::svgAttributeChanged(attrName);
+
+    bool isLengthAttribute = attrName == SVGNames::xAttr
+                          || attrName == SVGNames::yAttr
+                          || attrName == SVGNames::widthAttr
+                          || attrName == SVGNames::heightAttr;
+
+    if (isLengthAttribute)
+        updateRelativeLengthsInformation();
+
+    RenderObject* renderer = this->renderer();
+    if (!renderer)
+        return;
+
+    if (SVGStyledTransformableElement::isKnownAttribute(attrName)) {
+        renderer->setNeedsTransformUpdate();
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+        return;
+    }
+
+    if (isLengthAttribute
+        || SVGTests::isKnownAttribute(attrName)
+        || SVGLangSpace::isKnownAttribute(attrName)
+        || SVGExternalResourcesRequired::isKnownAttribute(attrName))
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+}
+
+void SVGForeignObjectElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGStyledTransformableElement::synchronizeProperty(attrName);
+
+    if (attrName == anyQName()) {
+        synchronizeX();
+        synchronizeY();
+        synchronizeWidth();
+        synchronizeHeight();
+        synchronizeExternalResourcesRequired();
+        synchronizeHref();
+        return;
+    }
+
+    if (attrName == SVGNames::xAttr)
+        synchronizeX();
+    else if (attrName == SVGNames::yAttr)
+        synchronizeY();
+    else if (attrName == SVGNames::widthAttr)
+        synchronizeWidth();
+    else if (attrName == SVGNames::heightAttr)
+        synchronizeHeight();
+    else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
+        synchronizeExternalResourcesRequired();
+    else if (SVGURIReference::isKnownAttribute(attrName))
+        synchronizeHref();
+}
+
+RenderObject* SVGForeignObjectElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    return new (arena) RenderForeignObject(this);
+}
+
+bool SVGForeignObjectElement::childShouldCreateRenderer(Node* child) const
+{
+    // Disallow arbitary SVG content. Only allow proper <svg xmlns="svgNS"> subdocuments.
+    if (child->isSVGElement())
+        return child->hasTagName(SVGNames::svgTag);
+
+    // Skip over SVG rules which disallow non-SVG kids
+    return StyledElement::childShouldCreateRenderer(child);
+}
+
+bool SVGForeignObjectElement::selfHasRelativeLengths() const
+{
+    return x().isRelative()
+        || y().isRelative()
+        || width().isRelative()
+        || height().isRelative();
+}
+
+}
+
+#endif