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, 176 insertions, 0 deletions

diff --git a/ksvg/core/CanvasFactory.cpp b/ksvg/core/CanvasFactory.cpp
new file mode 100644
index 00000000..ca2822b2
--- /dev/null
+++ b/ksvg/core/CanvasFactory.cpp
@@ -0,0 +1,176 @@
+/*
+    Copyright (C) 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
+    aint 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 <qfile.h>
+
+#include <kdebug.h>
+#include <ksimpleconfig.h>
+#include <kparts/componentfactory.h>
+
+#include "KSVGCanvas.h"
+#include "CanvasFactory.h"
+
+using namespace KSVG;
+
+CanvasFactory *CanvasFactory::s_factory = 0;
+
+CanvasFactory::CanvasFactory()
+{
+	m_canvasList.setAutoDelete(true);
+}
+
+CanvasFactory::~CanvasFactory()
+{
+}
+
+CanvasFactory *CanvasFactory::self()
+{
+	if(!s_factory)
+		s_factory = new CanvasFactory();
+	
+	return s_factory;
+}
+
+void CanvasFactory::cleanup()
+{
+	m_canvasList.clear();
+}
+
+void CanvasFactory::queryCanvas()
+{
+	m_canvasList.clear();
+
+	QValueList<KService::Ptr> traderList = KTrader::self()->query("KSVG/Renderer", "(Type == 'Service')");
+	KTrader::OfferList::Iterator it(traderList.begin());
+	for( ; it != traderList.end(); ++it)
+	{
+		KService::Ptr ptr = (*it);
+			
+		QString name = ptr->property("Name").toString();
+		QString internal = ptr->property("X-KSVG-InternalName").toString();
+		if(name.isEmpty() || internal.isEmpty())
+			continue;
+
+		CanvasInfo *cinfo = new CanvasInfo();
+		cinfo->service = ptr;
+		cinfo->canvas = 0;
+		cinfo->name = name;
+		cinfo->internal = internal;
+	
+		m_canvasList.append(cinfo);
+	}
+
+	if(m_canvasList.isEmpty())
+	{
+		kdError(26001) << "Couldn't load any canvas!!! FATAL ERROR." << endl;
+		return;
+	}
+}
+
+KSVGCanvas *CanvasFactory::loadCanvas(int width, int height)
+{
+	queryCanvas();
+
+	KSimpleConfig *config = new KSimpleConfig("ksvgpluginrc", false);
+	config->setGroup("Canvas");
+	QString load = config->readEntry("ActiveCanvas", "libart");
+	delete config;
+
+	QPtrListIterator<CanvasInfo> it(m_canvasList);
+	CanvasInfo *info = it.current();
+	while((info = it.current()) != 0)
+	{
+		if(info->internal == load)
+		{
+			QStringList args;
+			args.prepend(QString::number(width));
+			args.prepend(QString::number(height));
+		
+			info->canvas = KParts::ComponentFactory::createInstanceFromLibrary<KSVGCanvas>(QFile::encodeName(info->service->library()), 0, 0, args);
+
+			if(info->canvas)
+				return info->canvas;
+			else
+			{
+				kdError(26001) << "Failed to load canvas: " << load << " FATAL ERROR." << endl;
+				break;
+			}
+		}
+
+		++it;
+	}
+
+	return 0;
+}
+
+int CanvasFactory::itemInList(KSVGCanvas *canvas)
+{
+	QPtrListIterator<CanvasInfo> it(m_canvasList);
+	CanvasInfo *info = it.current();
+	unsigned int i = 0;
+	while((info = it.current()) != 0)
+	{
+		if(info->canvas == canvas)
+			return i;
+
+		i++;
+		++it;
+	}
+
+	return 0;
+}
+
+QString CanvasFactory::internalNameFor(const QString &name)
+{
+	QPtrListIterator<CanvasInfo> it(m_canvasList);
+	CanvasInfo *info = it.current();
+	while((info = it.current()) != 0)
+	{
+		if(info->name == name)
+			return info->internal;
+
+		++it;
+	}
+
+	return QString::null;
+}	
+
+void CanvasFactory::deleteCanvas(KSVGCanvas *canvas)
+{
+	QPtrListIterator<CanvasInfo> it(m_canvasList);
+	CanvasInfo *info = it.current();
+	while((info = it.current()) != 0)
+	{
+		if(info->canvas == canvas)
+		{
+			delete info->canvas;
+			info->canvas = 0;
+		}
+
+		++it;
+	}
+}
+	
+QPtrList<CanvasInfo> CanvasFactory::canvasList()
+{
+	return m_canvasList;
+}
+
+// vim:ts=4:noet