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-rw-r--r--ksvg/impl/SVGLocatableImpl.cc208
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diff --git a/ksvg/impl/SVGLocatableImpl.cc b/ksvg/impl/SVGLocatableImpl.cc
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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 "SVGRectImpl.h"
+#include "SVGShapeImpl.h"
+#include "SVGContainerImpl.h"
+#include "SVGMatrixImpl.h"
+#include "SVGElementImpl.h"
+#include "SVGLocatableImpl.h"
+#include "SVGSVGElementImpl.h"
+#include "SVGDocumentImpl.h"
+
+using namespace KSVG;
+
+#include "SVGLocatableImpl.lut.h"
+#include "ksvg_scriptinterpreter.h"
+#include "ksvg_bridge.h"
+
+SVGLocatableImpl::SVGLocatableImpl()
+{
+ m_nearestViewportElement = 0;
+ m_farthestViewportElement = 0;
+ m_cachedScreenCTM = SVGSVGElementImpl::createSVGMatrix();
+ m_cachedScreenCTMIsValid = false;
+}
+
+SVGLocatableImpl::~SVGLocatableImpl()
+{
+ if(m_nearestViewportElement)
+ m_nearestViewportElement->deref();
+ if(m_farthestViewportElement)
+ m_farthestViewportElement->deref();
+ if(m_cachedScreenCTM)
+ m_cachedScreenCTM->deref();
+}
+
+SVGRectImpl *SVGLocatableImpl::getBBox()
+{
+ SVGRectImpl *ret = SVGSVGElementImpl::createSVGRect();
+ return ret;
+}
+
+SVGMatrixImpl *SVGLocatableImpl::getCTM()
+{
+ SVGMatrixImpl *ret = SVGSVGElementImpl::createSVGMatrix();
+ return ret;
+}
+
+SVGMatrixImpl *SVGLocatableImpl::getScreenCTM()
+{
+ SVGMatrixImpl *ret = SVGSVGElementImpl::createSVGMatrix();
+ ret->copy(m_cachedScreenCTM);
+
+ return ret;
+}
+
+SVGMatrixImpl *SVGLocatableImpl::getTransformToElement(SVGElementImpl *)
+{
+ SVGMatrixImpl *ret = SVGSVGElementImpl::createSVGMatrix();
+ return ret;
+}
+
+void SVGLocatableImpl::updateCachedScreenCTM(const SVGMatrixImpl *parentScreenCTM)
+{
+ m_cachedScreenCTM->copy(parentScreenCTM);
+
+ const SVGMatrixImpl *local = localMatrix();
+
+ if(local)
+ m_cachedScreenCTM->multiply(local);
+ m_cachedScreenCTMIsValid = true;
+
+ // Notify the element
+ onScreenCTMUpdated();
+
+ SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(this);
+
+ if(shape)
+ {
+ // TODO: Update due to matrix animations
+ //if(shape->item())
+ // shape->item()->update(updateReason);
+
+ SVGElementImpl *element = dynamic_cast<SVGElementImpl *>(this);
+
+ DOM::Node node = element->firstChild();
+ for(; !node.isNull(); node = node.nextSibling())
+ {
+ SVGElementImpl *child = element->ownerDoc()->getElementFromHandle(node.handle());
+ SVGLocatableImpl *locatable = dynamic_cast<SVGLocatableImpl *>(child);
+
+ if(child && locatable)
+ locatable->updateCachedScreenCTM(m_cachedScreenCTM);
+ }
+ }
+}
+
+void SVGLocatableImpl::checkCachedScreenCTM(const SVGMatrixImpl *parentScreenCTM)
+{
+ if(m_cachedScreenCTMIsValid)
+ {
+ SVGElementImpl *element = dynamic_cast<SVGElementImpl *>(this);
+ SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(this);
+
+ if(shape)
+ {
+ DOM::Node node = element->firstChild();
+ for(; !node.isNull(); node = node.nextSibling())
+ {
+ SVGElementImpl *child = element->ownerDoc()->getElementFromHandle(node.handle());
+ SVGLocatableImpl *locatable = dynamic_cast<SVGLocatableImpl *>(child);
+
+ if(child && locatable)
+ locatable->checkCachedScreenCTM(m_cachedScreenCTM);
+ }
+ }
+ }
+ else
+ updateCachedScreenCTM(parentScreenCTM);
+}
+
+// Ecma stuff
+
+/*
+@namespace KSVG
+@begin SVGLocatableImpl::s_hashTable 3
+ nearestViewportElement SVGLocatableImpl::NearestViewportElement DontDelete
+ farthestViewportElement SVGLocatableImpl::FarthestViewportElement DontDelete
+@end
+@namespace KSVG
+@begin SVGLocatableImplProto::s_hashTable 5
+ getBBox SVGLocatableImpl::GetBBox DontDelete|Function 0
+ getCTM SVGLocatableImpl::GetCTM DontDelete|Function 0
+ getScreenCTM SVGLocatableImpl::GetScreenCTM DontDelete|Function 0
+ getTransformToElement SVGLocatableImpl::GetTransformToElement DontDelete|Function 1
+@end
+*/
+
+KSVG_IMPLEMENT_PROTOTYPE("SVGLocatable", SVGLocatableImplProto, SVGLocatableImplProtoFunc)
+
+Value SVGLocatableImpl::getValueProperty(ExecState *exec, int token) const
+{
+ switch(token)
+ {
+ case NearestViewportElement:
+ return nearestViewportElement() ? nearestViewportElement()->cache(exec) : Undefined();
+ case FarthestViewportElement:
+ return farthestViewportElement() ? farthestViewportElement()->cache(exec) : Undefined();
+ default:
+ kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
+ return Undefined();
+ }
+}
+
+Value SVGLocatableImplProtoFunc::call(ExecState *exec, Object &thisObj, const List &args)
+{
+ KSVG_CHECK_THIS(SVGLocatableImpl)
+
+ switch(id)
+ {
+ case SVGLocatableImpl::GetBBox:
+ {
+ SVGContainerImpl *container = dynamic_cast<SVGContainerImpl *>(obj);
+ if(container)
+ return container->getBBox()->cache(exec);
+ else
+ {
+ SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(obj);
+ if(shape)
+ return shape->getBBox()->cache(exec);
+ else
+ return obj->getBBox()->cache(exec);
+ }
+ }
+ case SVGLocatableImpl::GetCTM:
+ return obj->getCTM()->cache(exec);
+ case SVGLocatableImpl::GetScreenCTM:
+ return obj->getScreenCTM()->cache(exec);
+ case SVGLocatableImpl::GetTransformToElement:
+ return obj->getTransformToElement(static_cast<KSVGBridge<SVGElementImpl> *>(args[0].imp())->impl())->cache(exec);
+ default:
+ kdWarning() << "Unhandled function id in " << k_funcinfo << " : " << id << endl;
+ break;
+ }
+
+ return Undefined();
+}
+
+// vim:ts=4:noet