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-rw-r--r--ksvg/impl/SVGUseElementImpl.cpp407
1 files changed, 407 insertions, 0 deletions
diff --git a/ksvg/impl/SVGUseElementImpl.cpp b/ksvg/impl/SVGUseElementImpl.cpp
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+++ b/ksvg/impl/SVGUseElementImpl.cpp
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+/*
+ Copyright (C) 2001-2003 KSVG Team
+ This file is part of the KDE project
+
+ 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 <kdebug.h>
+
+#include <tqstring.h>
+
+#include "KSVGLoader.h"
+#include "KSVGCanvas.h"
+
+#include "SVGRectImpl.h"
+#include "SVGEventImpl.h"
+#include "SVGHelperImpl.h"
+#include "SVGMatrixImpl.h"
+#include "SVGDocumentImpl.h"
+#include "SVGTransformImpl.h"
+#include "SVGSVGElementImpl.h"
+#include "SVGUseElementImpl.h"
+#include "SVGSymbolElementImpl.h"
+#include "SVGTransformListImpl.h"
+#include "SVGAnimatedStringImpl.h"
+#include "SVGAnimatedLengthImpl.h"
+#include "SVGElementInstanceImpl.h"
+#include "SVGAnimatedTransformListImpl.h"
+
+using namespace KSVG;
+
+#include "SVGUseElementImpl.lut.h"
+#include "ksvg_bridge.h"
+#include "ksvg_ecma.h"
+
+SVGUseElementImpl::SVGUseElementImpl(DOM::ElementImpl *impl) : SVGShapeImpl(impl), SVGURIReferenceImpl(), SVGTestsImpl(), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this), SVGTransformableImpl()
+{
+ KSVG_EMPTY_FLAGS
+
+ m_x = new SVGAnimatedLengthImpl();
+ m_x->ref();
+
+ m_y = new SVGAnimatedLengthImpl();
+ m_y->ref();
+
+ m_width = new SVGAnimatedLengthImpl();
+ m_width->ref();
+
+ m_height = new SVGAnimatedLengthImpl();
+ m_height->ref();
+
+ m_instanceRoot = 0;
+}
+
+SVGUseElementImpl::~SVGUseElementImpl()
+{
+ if(m_x)
+ m_x->deref();
+ if(m_y)
+ m_y->deref();
+ if(m_width)
+ m_width->deref();
+ if(m_height)
+ m_height->deref();
+ if(m_instanceRoot)
+ m_instanceRoot->deref();
+}
+
+SVGAnimatedLengthImpl *SVGUseElementImpl::x() const
+{
+ return m_x;
+}
+
+SVGAnimatedLengthImpl *SVGUseElementImpl::y() const
+{
+ return m_y;
+}
+
+SVGAnimatedLengthImpl *SVGUseElementImpl::width() const
+{
+ return m_width;
+}
+
+SVGAnimatedLengthImpl *SVGUseElementImpl::height() const
+{
+ return m_height;
+}
+
+// Ecma stuff
+
+/*
+@namespace KSVG
+@begin SVGUseElementImpl::s_hashTable 11
+ x SVGUseElementImpl::X DontDelete|ReadOnly
+ y SVGUseElementImpl::Y DontDelete|ReadOnly
+ width SVGUseElementImpl::Width DontDelete|ReadOnly
+ height SVGUseElementImpl::Height DontDelete|ReadOnly
+ href SVGUseElementImpl::Href DontDelete|ReadOnly
+ instanceRoot SVGUseElementImpl::InstanceRoot DontDelete|ReadOnly
+ animatedInstanceRoot SVGUseElementImpl::AnimatedInstanceRoot DontDelete|ReadOnly
+@end
+*/
+
+Value SVGUseElementImpl::getValueProperty(ExecState *exec, int token) const
+{
+ KSVG_CHECK_ATTRIBUTE
+
+ switch(token)
+ {
+ case X:
+ if(!attributeMode)
+ return m_x->cache(exec);
+ else
+ return Number(m_x->baseVal()->value());
+ case Y:
+ if(!attributeMode)
+ return m_y->cache(exec);
+ else
+ return Number(m_y->baseVal()->value());
+ case Width:
+ if(!attributeMode)
+ return m_width->cache(exec);
+ else
+ return Number(m_width->baseVal()->value());
+ case Height:
+ if(!attributeMode)
+ return m_height->cache(exec);
+ else
+ return Number(m_height->baseVal()->value());
+ default:
+ kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
+ return Undefined();
+ }
+}
+
+void SVGUseElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr)
+{
+ // This class has just ReadOnly properties, only with the Internal flag set
+ // it's allowed to modify those.
+ if(!(attr & KJS::Internal))
+ return;
+
+ switch(token)
+ {
+ case X:
+ x()->baseVal()->setValue(value.toNumber(exec));
+ break;
+ case Y:
+ y()->baseVal()->setValue(value.toNumber(exec));
+ break;
+ case Width:
+ width()->baseVal()->setValue(value.toNumber(exec));
+ break;
+ case Height:
+ height()->baseVal()->setValue(value.toNumber(exec));
+ break;
+ case Href:
+ {
+ TQString url = value.toString(exec).qstring();
+ href()->setBaseVal(SVGURIReferenceImpl::getTarget(url));
+ break;
+ }
+ default:
+ kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
+ }
+}
+
+SVGRectImpl *SVGUseElementImpl::getBBox()
+{
+ if(m_instanceRoot)
+ {
+ SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(m_instanceRoot->correspondingElement());
+ if(KSVG_TOKEN_NOT_PARSED(Width) && KSVG_TOKEN_NOT_PARSED(Height) && shape)
+ return shape->getBBox();
+ }
+
+ SVGRectImpl *ret = new SVGRectImpl();
+ ret->ref();
+ ret->setX(m_x->baseVal()->value());
+ ret->setY(m_y->baseVal()->value());
+ ret->setWidth(m_width->baseVal()->value());
+ ret->setHeight(m_height->baseVal()->value());
+ return ret;
+}
+
+SVGElementInstanceImpl *SVGUseElementImpl::instanceRoot() const
+{
+ return m_instanceRoot;
+}
+
+SVGElementInstanceImpl *SVGUseElementImpl::animatedInstanceRoot() const
+{
+ return m_animatedInstanceRoot;
+}
+
+void SVGUseElementImpl::createItem(KSVGCanvas *c)
+{
+ if(!m_instanceRoot)
+ {
+ // ownerSVGElement()->getElementById() is wrong here.
+ // It could reference elements from other documents when using getURL (Niko)
+ TQString filename, id;
+ DOM::DOMString url = getAttribute("href");
+ if(!SVGURIReferenceImpl::parseURIReference(url.string(), filename, id))
+ return;
+
+ SVGElementImpl *orig;
+ if(!filename.isEmpty())
+ {
+ KURL fragmentUrl(ownerDoc()->baseUrl(), url.string());
+
+ id = fragmentUrl.ref();
+ fragmentUrl.setRef(TQString());
+
+ orig = KSVGLoader::getSVGFragment(fragmentUrl, ownerDoc(), id);
+ }
+ else
+ {
+ orig = ownerDoc()->getElementByIdRecursive(ownerSVGElement(), href()->baseVal());
+
+ if(orig == 0)
+ {
+ // The document will try to create this item again once the parsing has finished.
+ ownerDoc()->addForwardReferencingUseElement(this);
+ }
+ }
+
+ if(orig == 0)
+ return;
+
+ setReferencedElement(orig);
+
+ // Create a parent, a <g>
+ SVGElementImpl *parent = 0;
+ DOM::Element impl = static_cast<DOM::Document *>(ownerDoc())->createElement("g");
+ parent = SVGDocumentImpl::createElement("g", impl, ownerDoc());
+ SVGElementImpl *clone = orig->cloneNode(true);
+
+ // Apply the use-correction
+ TQString trans;
+ trans += " translate(";
+ trans += TQString::number(x()->baseVal()->value());
+ trans += " ";
+ trans += TQString::number(y()->baseVal()->value());
+ trans += ")";
+
+ // Apply the transform attribute and render the element
+ parent->setAttributeInternal("transform", trans);
+ parent->setAttribute("transform", trans);
+
+ // Apply width/height if symbol
+ if(dynamic_cast<SVGSymbolElementImpl *>(clone))
+ {
+ DOM::Element impl = static_cast<DOM::Document *>(ownerDoc())->createElement("svg");
+ SVGElementImpl *symbolSvg = SVGDocumentImpl::createElement("svg", impl, ownerDoc());
+
+ SVGHelperImpl::copyAttributes(orig, symbolSvg);
+
+ symbolSvg->setAttribute("width", getAttribute("width"));
+ symbolSvg->setAttributeInternal("width", getAttribute("width"));
+ symbolSvg->setAttribute("height", getAttribute("height"));
+ symbolSvg->setAttributeInternal("height", getAttribute("height"));
+ DOM::Node node = clone->firstChild();
+ for(; !node.isNull(); node = clone->firstChild())
+ symbolSvg->appendChild(node);
+
+ clone = symbolSvg;
+ }
+ else if(dynamic_cast<SVGSVGElementImpl *>(clone))
+ {
+ if(!getAttribute("width").isEmpty())
+ {
+ clone->setAttribute("width", getAttribute("width"));
+ clone->setAttributeInternal("width", getAttribute("width"));
+ }
+
+ if(!getAttribute("height").isEmpty())
+ {
+ clone->setAttribute("height", getAttribute("height"));
+ clone->setAttributeInternal("height", getAttribute("height"));
+ }
+ }
+
+ appendChild(*parent);
+ parent->appendChild(*clone);
+
+ setupSubtree(parent, ownerSVGElement(), viewportElement());
+
+ m_instanceRoot->setCorrespondingElement(clone);
+
+ dynamic_cast<SVGLocatableImpl *>(parent)->updateCachedScreenCTM(screenCTM());
+
+ // Redirect local ecma event handlers to the correspondingElement
+ TQPtrListIterator<SVGRegisteredEventListener> it(eventListeners());
+ SVGRegisteredEventListener *eventListener;
+ while((eventListener = it.current()) != 0)
+ {
+ ++it;
+ clone->setEventListener(eventListener->id, eventListener->listener);
+ }
+ }
+
+ if(m_instanceRoot)
+ {
+ SVGElementImpl *element = m_instanceRoot->correspondingElement();
+ element->createItem(c);
+ }
+}
+
+void SVGUseElementImpl::removeItem(KSVGCanvas *c)
+{
+ if(m_instanceRoot)
+ {
+ SVGElementImpl *element = m_instanceRoot->correspondingElement();
+ element->removeItem(c);
+ }
+}
+
+void SVGUseElementImpl::setupSubtree(SVGElementImpl *element, SVGSVGElementImpl *ownerSVG, SVGElementImpl *viewport)
+{
+ element->setOwnerSVGElement(ownerSVG);
+ element->setViewportElement(viewport);
+ element->setAttributes();
+
+ SVGSVGElementImpl *thisSVG = dynamic_cast<SVGSVGElementImpl *>(element);
+
+ if(thisSVG != 0)
+ {
+ ownerSVG = thisSVG;
+ viewport = element;
+ }
+
+ DOM::Node child = element->firstChild();
+ for(; !child.isNull(); child = child.nextSibling())
+ {
+ SVGElementImpl *childElement = ownerDoc()->getElementFromHandle(child.handle());
+ if(childElement != 0)
+ setupSubtree(childElement, ownerSVG, viewport);
+ }
+}
+
+void SVGUseElementImpl::setReferencedElement(SVGElementImpl *referenced)
+{
+ if(!referenced)
+ return;
+
+ if(!m_instanceRoot)
+ {
+ m_instanceRoot = new SVGElementInstanceImpl();
+ m_instanceRoot->ref();
+ }
+
+ m_instanceRoot->setCorrespondingElement(referenced);
+}
+
+void SVGUseElementImpl::update(CanvasItemUpdate reason, int param1, int param2)
+{
+ if(m_instanceRoot)
+ {
+ SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(m_instanceRoot->correspondingElement());
+ if(shape)
+ shape->update(reason, param1, param2);
+ }
+}
+
+void SVGUseElementImpl::invalidate(KSVGCanvas *c, bool recalc)
+{
+ if(m_instanceRoot)
+ {
+ SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(m_instanceRoot->correspondingElement());
+ if(shape)
+ shape->invalidate(c, recalc);
+ }
+}
+
+void SVGUseElementImpl::setReferenced(bool referenced)
+{
+ if(m_instanceRoot)
+ {
+ SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(m_instanceRoot->correspondingElement());
+ if(shape)
+ shape->setReferenced(referenced);
+ }
+}
+
+void SVGUseElementImpl::draw()
+{
+ if(m_instanceRoot)
+ {
+ SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(m_instanceRoot->correspondingElement());
+ if(shape)
+ shape->draw();
+ }
+}