| /* |
| * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 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" |
| |
| #include "core/svg/SVGTextPositioningElement.h" |
| |
| #include "core/SVGNames.h" |
| #include "core/rendering/svg/RenderSVGResource.h" |
| #include "core/rendering/svg/RenderSVGText.h" |
| #include "core/svg/SVGLengthList.h" |
| #include "core/svg/SVGNumberList.h" |
| |
| namespace WebCore { |
| |
| SVGTextPositioningElement::SVGTextPositioningElement(const QualifiedName& tagName, Document& document) |
| : SVGTextContentElement(tagName, document) |
| , m_x(SVGAnimatedLengthList::create(this, SVGNames::xAttr, SVGLengthList::create(LengthModeWidth))) |
| , m_y(SVGAnimatedLengthList::create(this, SVGNames::yAttr, SVGLengthList::create(LengthModeHeight))) |
| , m_dx(SVGAnimatedLengthList::create(this, SVGNames::dxAttr, SVGLengthList::create(LengthModeWidth))) |
| , m_dy(SVGAnimatedLengthList::create(this, SVGNames::dyAttr, SVGLengthList::create(LengthModeHeight))) |
| , m_rotate(SVGAnimatedNumberList::create(this, SVGNames::rotateAttr, SVGNumberList::create())) |
| { |
| addToPropertyMap(m_x); |
| addToPropertyMap(m_y); |
| addToPropertyMap(m_dx); |
| addToPropertyMap(m_dy); |
| addToPropertyMap(m_rotate); |
| } |
| |
| bool SVGTextPositioningElement::isSupportedAttribute(const QualifiedName& attrName) |
| { |
| DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ()); |
| if (supportedAttributes.isEmpty()) { |
| supportedAttributes.add(SVGNames::xAttr); |
| supportedAttributes.add(SVGNames::yAttr); |
| supportedAttributes.add(SVGNames::dxAttr); |
| supportedAttributes.add(SVGNames::dyAttr); |
| supportedAttributes.add(SVGNames::rotateAttr); |
| } |
| return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName); |
| } |
| |
| void SVGTextPositioningElement::parseAttribute(const QualifiedName& name, const AtomicString& value) |
| { |
| if (!isSupportedAttribute(name)) { |
| SVGTextContentElement::parseAttribute(name, value); |
| return; |
| } |
| |
| SVGParsingError parseError = NoError; |
| |
| if (name == SVGNames::xAttr) |
| m_x->setBaseValueAsString(value, parseError); |
| else if (name == SVGNames::yAttr) |
| m_y->setBaseValueAsString(value, parseError); |
| else if (name == SVGNames::dxAttr) |
| m_dx->setBaseValueAsString(value, parseError); |
| else if (name == SVGNames::dyAttr) |
| m_dy->setBaseValueAsString(value, parseError); |
| else if (name == SVGNames::rotateAttr) |
| m_rotate->setBaseValueAsString(value, parseError); |
| else |
| ASSERT_NOT_REACHED(); |
| |
| reportAttributeParsingError(parseError, name, value); |
| } |
| |
| void SVGTextPositioningElement::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| if (!isSupportedAttribute(attrName)) { |
| SVGTextContentElement::svgAttributeChanged(attrName); |
| return; |
| } |
| |
| SVGElement::InvalidationGuard invalidationGuard(this); |
| |
| bool updateRelativeLengths = attrName == SVGNames::xAttr |
| || attrName == SVGNames::yAttr |
| || attrName == SVGNames::dxAttr |
| || attrName == SVGNames::dyAttr; |
| |
| if (updateRelativeLengths) |
| updateRelativeLengthsInformation(); |
| |
| RenderObject* renderer = this->renderer(); |
| if (!renderer) |
| return; |
| |
| if (updateRelativeLengths || attrName == SVGNames::rotateAttr) { |
| if (RenderSVGText* textRenderer = RenderSVGText::locateRenderSVGTextAncestor(renderer)) |
| textRenderer->setNeedsPositioningValuesUpdate(); |
| RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); |
| return; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| } |
| |
| SVGTextPositioningElement* SVGTextPositioningElement::elementFromRenderer(RenderObject* renderer) |
| { |
| if (!renderer) |
| return 0; |
| |
| if (!renderer->isSVGText() && !renderer->isSVGInline()) |
| return 0; |
| |
| Node* node = renderer->node(); |
| ASSERT(node); |
| ASSERT(node->isSVGElement()); |
| |
| return isSVGTextPositioningElement(*node) ? toSVGTextPositioningElement(node) : 0; |
| } |
| |
| } |