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/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Alexander Kellett <lypanov@kde.org>
* Copyright (C) 2009 Dirk Schulze <krit@webkit.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 "SVGMaskElement.h"
#include "Attribute.h"
#include "RenderSVGResourceMasker.h"
#include "SVGElementInstance.h"
#include "SVGNames.h"
#include "SVGRenderSupport.h"
#include "SVGUnitTypes.h"
#include "StyleResolver.h"
namespace WebCore {
// Animated property definitions
DEFINE_ANIMATED_ENUMERATION(SVGMaskElement, SVGNames::maskUnitsAttr, MaskUnits, maskUnits, SVGUnitTypes::SVGUnitType)
DEFINE_ANIMATED_ENUMERATION(SVGMaskElement, SVGNames::maskContentUnitsAttr, MaskContentUnits, maskContentUnits, SVGUnitTypes::SVGUnitType)
DEFINE_ANIMATED_LENGTH(SVGMaskElement, SVGNames::xAttr, X, x)
DEFINE_ANIMATED_LENGTH(SVGMaskElement, SVGNames::yAttr, Y, y)
DEFINE_ANIMATED_LENGTH(SVGMaskElement, SVGNames::widthAttr, Width, width)
DEFINE_ANIMATED_LENGTH(SVGMaskElement, SVGNames::heightAttr, Height, height)
DEFINE_ANIMATED_BOOLEAN(SVGMaskElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGMaskElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(maskUnits)
REGISTER_LOCAL_ANIMATED_PROPERTY(maskContentUnits)
REGISTER_LOCAL_ANIMATED_PROPERTY(x)
REGISTER_LOCAL_ANIMATED_PROPERTY(y)
REGISTER_LOCAL_ANIMATED_PROPERTY(width)
REGISTER_LOCAL_ANIMATED_PROPERTY(height)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGStyledLocatableElement)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTests)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGMaskElement::SVGMaskElement(const QualifiedName& tagName, Document* document)
: SVGStyledLocatableElement(tagName, document)
, m_maskUnits(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX)
, m_maskContentUnits(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE)
, m_x(LengthModeWidth, "-10%")
, m_y(LengthModeHeight, "-10%")
, m_width(LengthModeWidth, "120%")
, m_height(LengthModeHeight, "120%")
{
// Spec: If the x/y attribute is not specified, the effect is as if a value of "-10%" were specified.
// Spec: If the width/height attribute is not specified, the effect is as if a value of "120%" were specified.
ASSERT(hasTagName(SVGNames::maskTag));
registerAnimatedPropertiesForSVGMaskElement();
}
PassRefPtr<SVGMaskElement> SVGMaskElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGMaskElement(tagName, document));
}
bool SVGMaskElement::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::maskUnitsAttr);
supportedAttributes.add(SVGNames::maskContentUnitsAttr);
supportedAttributes.add(SVGNames::xAttr);
supportedAttributes.add(SVGNames::yAttr);
supportedAttributes.add(SVGNames::widthAttr);
supportedAttributes.add(SVGNames::heightAttr);
}
return supportedAttributes.contains<QualifiedName, SVGAttributeHashTranslator>(attrName);
}
void SVGMaskElement::parseAttribute(Attribute* attr)
{
SVGParsingError parseError = NoError;
if (!isSupportedAttribute(attr->name()))
SVGStyledElement::parseAttribute(attr);
else if (attr->name() == SVGNames::maskUnitsAttr) {
SVGUnitTypes::SVGUnitType propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(attr->value());
if (propertyValue > 0)
setMaskUnitsBaseValue(propertyValue);
return;
} else if (attr->name() == SVGNames::maskContentUnitsAttr) {
SVGUnitTypes::SVGUnitType propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(attr->value());
if (propertyValue > 0)
setMaskContentUnitsBaseValue(propertyValue);
return;
} else if (attr->name() == SVGNames::xAttr)
setXBaseValue(SVGLength::construct(LengthModeWidth, attr->value(), parseError));
else if (attr->name() == SVGNames::yAttr)
setYBaseValue(SVGLength::construct(LengthModeHeight, attr->value(), parseError));
else if (attr->name() == SVGNames::widthAttr)
setWidthBaseValue(SVGLength::construct(LengthModeWidth, attr->value(), parseError));
else if (attr->name() == SVGNames::heightAttr)
setHeightBaseValue(SVGLength::construct(LengthModeHeight, attr->value(), parseError));
else if (SVGTests::parseAttribute(attr)
|| SVGLangSpace::parseAttribute(attr)
|| SVGExternalResourcesRequired::parseAttribute(attr)) {
} else
ASSERT_NOT_REACHED();
reportAttributeParsingError(parseError, attr);
}
void SVGMaskElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGStyledElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
if (attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::widthAttr
|| attrName == SVGNames::heightAttr)
updateRelativeLengthsInformation();
if (RenderObject* object = renderer())
object->setNeedsLayout(true);
}
void SVGMaskElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
{
SVGStyledElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
if (changedByParser)
return;
if (RenderObject* object = renderer())
object->setNeedsLayout(true);
}
RenderObject* SVGMaskElement::createRenderer(RenderArena* arena, RenderStyle*)
{
return new (arena) RenderSVGResourceMasker(this);
}
bool SVGMaskElement::selfHasRelativeLengths() const
{
return x().isRelative()
|| y().isRelative()
|| width().isRelative()
|| height().isRelative();
}
}
#endif // ENABLE(SVG)
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