Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 208 insertions, 0 deletions

diff --git a/ksvg/impl/SVGLocatableImpl.cc b/ksvg/impl/SVGLocatableImpl.cc
new file mode 100644
index 00000000..0ae143fa
--- /dev/null
+++ b/ksvg/impl/SVGLocatableImpl.cc
@@ -0,0 +1,208 @@
+/*
+    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