diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGTextPositioningElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGTextPositioningElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,152 @@
+/*
+    Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2006, 2007, 2008 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 "SVGTextPositioningElement.h"
+
+#include "Attribute.h"
+#include "RenderObject.h"
+#include "RenderSVGResource.h"
+#include "SVGLengthList.h"
+#include "SVGNames.h"
+#include "SVGNumberList.h"
+
+namespace WebCore {
+
+SVGTextPositioningElement::SVGTextPositioningElement(const QualifiedName& tagName, Document* doc)
+    : SVGTextContentElement(tagName, doc)
+    , m_x(SVGLengthList::create(SVGNames::xAttr))
+    , m_y(SVGLengthList::create(SVGNames::yAttr))
+    , m_dx(SVGLengthList::create(SVGNames::dxAttr))
+    , m_dy(SVGLengthList::create(SVGNames::dyAttr))
+    , m_rotate(SVGNumberList::create(SVGNames::rotateAttr))
+{
+}
+
+SVGTextPositioningElement::~SVGTextPositioningElement()
+{
+}
+
+void SVGTextPositioningElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == SVGNames::xAttr)
+        xBaseValue()->parse(attr->value(), LengthModeWidth);
+    else if (attr->name() == SVGNames::yAttr)
+        yBaseValue()->parse(attr->value(), LengthModeHeight);
+    else if (attr->name() == SVGNames::dxAttr)
+        dxBaseValue()->parse(attr->value(), LengthModeWidth);
+    else if (attr->name() == SVGNames::dyAttr)
+        dyBaseValue()->parse(attr->value(), LengthModeHeight);
+    else if (attr->name() == SVGNames::rotateAttr)
+        rotateBaseValue()->parse(attr->value());
+    else
+        SVGTextContentElement::parseMappedAttribute(attr);
+}
+
+void SVGTextPositioningElement::svgAttributeChanged(const QualifiedName& attrName)
+{
+    SVGTextContentElement::svgAttributeChanged(attrName);
+
+    if (attrName == SVGNames::xAttr
+        || attrName == SVGNames::yAttr
+        || attrName == SVGNames::dxAttr
+        || attrName == SVGNames::dyAttr)
+        updateRelativeLengthsInformation();
+
+    if (!renderer())
+        return;
+
+    if (isKnownAttribute(attrName))
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer());
+}
+
+void SVGTextPositioningElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGTextContentElement::synchronizeProperty(attrName);
+
+    if (attrName == anyQName()) {
+        synchronizeX();
+        synchronizeY();
+        synchronizeDx();
+        synchronizeDy();
+        synchronizeRotate();
+        return;
+    }
+
+    if (attrName == SVGNames::xAttr)
+        synchronizeX();
+    else if (attrName == SVGNames::yAttr)
+        synchronizeY();
+    else if (attrName == SVGNames::dxAttr)
+        synchronizeDx();
+    else if (attrName == SVGNames::dyAttr)
+        synchronizeDy();
+    else if (attrName == SVGNames::rotateAttr)
+        synchronizeRotate();
+}
+
+bool SVGTextPositioningElement::isKnownAttribute(const QualifiedName& attrName)
+{
+    return (attrName.matches(SVGNames::xAttr) ||
+            attrName.matches(SVGNames::yAttr) ||
+            attrName.matches(SVGNames::dxAttr) ||
+            attrName.matches(SVGNames::dyAttr) ||
+            attrName.matches(SVGNames::rotateAttr) ||
+            SVGTextContentElement::isKnownAttribute(attrName));
+}
+
+static inline bool listContainsRelativeValue(SVGLengthList* list)
+{
+    if (!list)
+        return false;
+
+    ExceptionCode ec = 0;
+    int length = list->numberOfItems();
+    for (int i = 0; i < length; ++i) {
+        SVGLength length(list->getItem(i, ec));
+        ASSERT(!ec);
+
+        if (length.isRelative())
+            return true;
+    }
+
+    return false;
+}
+
+bool SVGTextPositioningElement::selfHasRelativeLengths() const
+{
+    if (SVGTextContentElement::selfHasRelativeLengths())
+        return true;
+    if (listContainsRelativeValue(x()))
+        return true;
+    if (listContainsRelativeValue(y()))
+        return true;
+    if (listContainsRelativeValue(dx()))
+        return true;
+    if (listContainsRelativeValue(dy()))
+        return true;
+    return false;
+}
+
+}
+
+#endif // ENABLE(SVG)