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

1 files changed, 155 insertions, 0 deletions

diff --git a/Source/WebCore/svg/SVGLineElement.cpp b/Source/WebCore/svg/SVGLineElement.cpp
new file mode 100644
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--- /dev/null
+++ b/Source/WebCore/svg/SVGLineElement.cpp
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+ * Copyright (C) 2004, 2005, 2006, 2007 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 "SVGLineElement.h"
+
+#include "Attribute.h"
+#include "FloatPoint.h"
+#include "RenderSVGPath.h"
+#include "RenderSVGResource.h"
+#include "SVGElementInstance.h"
+#include "SVGLength.h"
+#include "SVGNames.h"
+
+namespace WebCore {
+
+// Animated property definitions
+DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::x1Attr, X1, x1)
+DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::y1Attr, Y1, y1)
+DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::x2Attr, X2, x2)
+DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::y2Attr, Y2, y2)
+DEFINE_ANIMATED_BOOLEAN(SVGLineElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
+
+BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGLineElement)
+    REGISTER_LOCAL_ANIMATED_PROPERTY(x1)
+    REGISTER_LOCAL_ANIMATED_PROPERTY(y1)
+    REGISTER_LOCAL_ANIMATED_PROPERTY(x2)
+    REGISTER_LOCAL_ANIMATED_PROPERTY(y2)
+    REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
+    REGISTER_PARENT_ANIMATED_PROPERTIES(SVGStyledTransformableElement)
+    REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTests)
+END_REGISTER_ANIMATED_PROPERTIES
+
+inline SVGLineElement::SVGLineElement(const QualifiedName& tagName, Document* document)
+    : SVGStyledTransformableElement(tagName, document)
+    , m_x1(LengthModeWidth)
+    , m_y1(LengthModeHeight)
+    , m_x2(LengthModeWidth)
+    , m_y2(LengthModeHeight)
+{
+    ASSERT(hasTagName(SVGNames::lineTag));
+    registerAnimatedPropertiesForSVGLineElement();
+}
+
+PassRefPtr<SVGLineElement> SVGLineElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new SVGLineElement(tagName, document));
+}
+
+bool SVGLineElement::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::x1Attr);
+        supportedAttributes.add(SVGNames::x2Attr);
+        supportedAttributes.add(SVGNames::y1Attr);
+        supportedAttributes.add(SVGNames::y2Attr);
+    }
+    return supportedAttributes.contains<QualifiedName, SVGAttributeHashTranslator>(attrName);
+}
+
+void SVGLineElement::parseMappedAttribute(Attribute* attr)
+{
+    SVGParsingError parseError = NoError;
+
+    if (!isSupportedAttribute(attr->name()))
+        SVGStyledTransformableElement::parseMappedAttribute(attr);
+    else if (attr->name() == SVGNames::x1Attr)
+        setX1BaseValue(SVGLength::construct(LengthModeWidth, attr->value(), parseError));
+    else if (attr->name() == SVGNames::y1Attr)
+        setY1BaseValue(SVGLength::construct(LengthModeHeight, attr->value(), parseError));
+    else if (attr->name() == SVGNames::x2Attr)
+        setX2BaseValue(SVGLength::construct(LengthModeWidth, attr->value(), parseError));
+    else if (attr->name() == SVGNames::y2Attr)
+        setY2BaseValue(SVGLength::construct(LengthModeHeight, attr->value(), parseError));
+    else if (SVGTests::parseMappedAttribute(attr)
+             || SVGLangSpace::parseMappedAttribute(attr)
+             || SVGExternalResourcesRequired::parseMappedAttribute(attr)) {
+    } else
+        ASSERT_NOT_REACHED();
+
+    reportAttributeParsingError(parseError, attr);
+}
+
+void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
+{
+    if (!isSupportedAttribute(attrName)) {
+        SVGStyledTransformableElement::svgAttributeChanged(attrName);
+        return;
+    }
+
+    SVGElementInstance::InvalidationGuard invalidationGuard(this);
+    
+    bool isLengthAttribute = attrName == SVGNames::x1Attr
+                          || attrName == SVGNames::y1Attr
+                          || attrName == SVGNames::x2Attr
+                          || attrName == SVGNames::y2Attr;
+
+    if (isLengthAttribute)
+        updateRelativeLengthsInformation();
+
+    if (SVGTests::handleAttributeChange(this, attrName))
+        return;
+
+    RenderSVGPath* renderer = static_cast<RenderSVGPath*>(this->renderer());
+    if (!renderer)
+        return;
+
+    if (isLengthAttribute) {
+        renderer->setNeedsShapeUpdate();
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+        return;
+    }
+
+    if (SVGLangSpace::isKnownAttribute(attrName) || SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+        return;
+    }
+
+    ASSERT_NOT_REACHED();
+}
+
+bool SVGLineElement::selfHasRelativeLengths() const
+{
+    return x1().isRelative()
+        || y1().isRelative()
+        || x2().isRelative()
+        || y2().isRelative();
+}
+
+}
+
+#endif // ENABLE(SVG)