1 files changed, 117 insertions, 0 deletions
diff --git a/Source/WebCore/svg/SVGTRefElement.cpp b/Source/WebCore/svg/SVGTRefElement.cpp
new file mode 100644
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--- /dev/null
+++ b/Source/WebCore/svg/SVGTRefElement.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
+ * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
+ *
+ * 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)
+#include "SVGTRefElement.h"
+
+#include "RenderSVGInline.h"
+#include "RenderSVGResource.h"
+#include "SVGDocument.h"
+#include "SVGNames.h"
+#include "Text.h"
+#include "XLinkNames.h"
+
+namespace WebCore {
+
+// Animated property definitions
+DEFINE_ANIMATED_STRING(SVGTRefElement, XLinkNames::hrefAttr, Href, href)
+
+inline SVGTRefElement::SVGTRefElement(const QualifiedName& tagName, Document* document)
+    : SVGTextPositioningElement(tagName, document)
+{
+}
+
+PassRefPtr<SVGTRefElement> SVGTRefElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new SVGTRefElement(tagName, document));
+}
+
+void SVGTRefElement::updateReferencedText()
+{
+    Element* target = document()->getElementById(SVGURIReference::getTarget(href()));
+    String textContent;
+    if (target && target->isSVGElement())
+        textContent = static_cast<SVGElement*>(target)->textContent();
+    ExceptionCode ignore = 0;
+    setTextContent(textContent, ignore);
+}
+
+void SVGTRefElement::parseMappedAttribute(Attribute* attr)
+{
+    if (SVGURIReference::parseMappedAttribute(attr)) {
+        updateReferencedText();
+        return;
+    }
+
+    SVGTextPositioningElement::parseMappedAttribute(attr);
+}
+
+void SVGTRefElement::svgAttributeChanged(const QualifiedName& attrName)
+{
+    SVGTextPositioningElement::svgAttributeChanged(attrName);
+
+    if (!renderer())
+        return;
+
+    if (SVGURIReference::isKnownAttribute(attrName))
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer());
+}
+
+void SVGTRefElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGTextPositioningElement::synchronizeProperty(attrName);
+
+    if (attrName == anyQName() || SVGURIReference::isKnownAttribute(attrName))
+        synchronizeHref();
+}
+
+RenderObject* SVGTRefElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    return new (arena) RenderSVGInline(this);
+}
+
+bool SVGTRefElement::childShouldCreateRenderer(Node* child) const
+{
+    if (child->isTextNode())
+        return true;
+
+    return false;
+}
+
+bool SVGTRefElement::rendererIsNeeded(RenderStyle* style)
+{
+    if (parentNode()
+        && (parentNode()->hasTagName(SVGNames::aTag)
+#if ENABLE(SVG_FONTS)
+            || parentNode()->hasTagName(SVGNames::altGlyphTag)
+#endif
+            || parentNode()->hasTagName(SVGNames::textTag)
+            || parentNode()->hasTagName(SVGNames::textPathTag)
+            || parentNode()->hasTagName(SVGNames::tspanTag)))
+        return StyledElement::rendererIsNeeded(style);
+
+    return false;
+}
+
+}
+
+#endif // ENABLE(SVG)