Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 128 insertions, 0 deletions

diff --git a/Source/WebCore/svg/SVGClipPathElement.cpp b/Source/WebCore/svg/SVGClipPathElement.cpp
new file mode 100644
index 000000000..b21439217
--- /dev/null
+++ b/Source/WebCore/svg/SVGClipPathElement.cpp
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+/*
+ * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+ * Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
+ * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
+ *
+ * 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 "SVGClipPathElement.h"
+
+#include "Attribute.h"
+#include "CSSStyleSelector.h"
+#include "Document.h"
+#include "RenderSVGResourceClipper.h"
+#include "SVGElementInstance.h"
+#include "SVGNames.h"
+#include "SVGTransformList.h"
+
+namespace WebCore {
+
+// Animated property definitions
+DEFINE_ANIMATED_ENUMERATION(SVGClipPathElement, SVGNames::clipPathUnitsAttr, ClipPathUnits, clipPathUnits, SVGUnitTypes::SVGUnitType)
+DEFINE_ANIMATED_BOOLEAN(SVGClipPathElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
+
+BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGClipPathElement)
+    REGISTER_LOCAL_ANIMATED_PROPERTY(clipPathUnits)
+    REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
+    REGISTER_PARENT_ANIMATED_PROPERTIES(SVGStyledTransformableElement)
+    REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTests)
+END_REGISTER_ANIMATED_PROPERTIES
+
+inline SVGClipPathElement::SVGClipPathElement(const QualifiedName& tagName, Document* document)
+    : SVGStyledTransformableElement(tagName, document)
+    , m_clipPathUnits(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE)
+{
+    ASSERT(hasTagName(SVGNames::clipPathTag));
+    registerAnimatedPropertiesForSVGClipPathElement();
+}
+
+PassRefPtr<SVGClipPathElement> SVGClipPathElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new SVGClipPathElement(tagName, document));
+}
+
+bool SVGClipPathElement::isSupportedAttribute(const QualifiedName& attrName)
+{
+    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
+    if (supportedAttributes.isEmpty()) {
+        SVGTests::addSupportedAttributes(supportedAttributes);
+        SVGLangSpace::addSupportedAttributes(supportedAttributes);
+        SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
+        supportedAttributes.add(SVGNames::clipPathUnitsAttr);
+    }
+    return supportedAttributes.contains<QualifiedName, SVGAttributeHashTranslator>(attrName);
+}
+
+void SVGClipPathElement::parseMappedAttribute(Attribute* attr)
+{
+    if (!isSupportedAttribute(attr->name())) {
+        SVGStyledTransformableElement::parseMappedAttribute(attr);
+        return;
+    }
+
+    if (attr->name() == SVGNames::clipPathUnitsAttr) {
+        SVGUnitTypes::SVGUnitType propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(attr->value());
+        if (propertyValue > 0)
+            setClipPathUnitsBaseValue(propertyValue);
+        return;
+    }
+
+    if (SVGTests::parseMappedAttribute(attr))
+        return;
+    if (SVGLangSpace::parseMappedAttribute(attr))
+        return;
+    if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
+        return;
+
+    ASSERT_NOT_REACHED();
+}
+
+void SVGClipPathElement::svgAttributeChanged(const QualifiedName& attrName)
+{
+    if (!isSupportedAttribute(attrName)) {
+        SVGStyledTransformableElement::svgAttributeChanged(attrName);
+        return;
+    }
+
+    SVGElementInstance::InvalidationGuard invalidationGuard(this);
+
+    if (RenderObject* object = renderer())
+        object->setNeedsLayout(true);
+}
+
+void SVGClipPathElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+{
+    SVGStyledTransformableElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+
+    if (changedByParser)
+        return;
+
+    if (RenderObject* object = renderer())
+        object->setNeedsLayout(true);
+}
+
+RenderObject* SVGClipPathElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    return new (arena) RenderSVGResourceClipper(this);
+}
+
+}
+
+#endif // ENABLE(SVG)