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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /khtml/khtml_factory.cpp
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
tdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.zip
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/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/* This file is part of the KDE project
+ *
+ * Copyright (C) 2000 Simon Hausmann <hausmann@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 "khtml_factory.h"
+#include "khtml_part.h"
+#include "khtml_settings.h"
+
+#include "css/cssstyleselector.h"
+#include "html/html_imageimpl.h"
+#include "rendering/render_style.h"
+#include "rendering/break_lines.h"
+#include "misc/loader.h"
+#include "misc/arena.h"
+
+#include <kinstance.h>
+#include <kaboutdata.h>
+#include <klocale.h>
+
+#include <assert.h>
+
+#include <kdebug.h>
+
+template class QPtrList<KHTMLPart>;
+
+extern "C" KDE_EXPORT void *init_libkhtml()
+{
+ // We can't use a plain self() here, because that would
+ // return the global factory, which might already exist
+ // at the time init_libkhtml is called! As soon as someone
+ // does new KHTMLPart() in his application and loads up
+ // an html document into that part which either embeds
+ // embeds another KHTMLPart instance via <object> or
+ // as html frame, then we cannot return self(), as
+ // what we return here is what the KLibLoader deletes
+ // in the end, and we don't want the libloader to
+ // delete our global instance. Anyway, the new
+ // KHTMLFactory we create here is very cheap :)
+ // (Simon)
+ return new KHTMLFactory( true );
+}
+
+KHTMLFactory *KHTMLFactory::s_self = 0;
+unsigned long int KHTMLFactory::s_refcnt = 0;
+KInstance *KHTMLFactory::s_instance = 0;
+KAboutData *KHTMLFactory::s_about = 0;
+KHTMLSettings *KHTMLFactory::s_settings = 0;
+QPtrList<KHTMLPart> *KHTMLFactory::s_parts = 0;
+QString *KHTMLSettings::avFamilies = 0;
+
+KHTMLFactory::KHTMLFactory( bool clone )
+{
+ if ( clone )
+ ref();
+}
+
+KHTMLFactory::~KHTMLFactory()
+{
+ if ( s_self == this )
+ {
+ assert( !s_refcnt );
+
+ delete s_instance;
+ delete s_about;
+ delete s_settings;
+ delete KHTMLSettings::avFamilies;
+ if ( s_parts )
+ {
+ assert( s_parts->isEmpty() );
+ delete s_parts;
+ }
+
+ s_instance = 0;
+ s_about = 0;
+ s_settings = 0;
+ s_parts = 0;
+ KHTMLSettings::avFamilies = 0;
+
+ // clean up static data
+ khtml::CSSStyleSelector::clear();
+ khtml::RenderStyle::cleanup();
+ khtml::Cache::clear();
+ khtml::cleanup_thaibreaks();
+ khtml::ArenaFinish();
+ }
+ else
+ deref();
+}
+
+KParts::Part *KHTMLFactory::createPartObject( QWidget *parentWidget, const char *widgetName, QObject *parent, const char *name, const char *className, const QStringList & )
+{
+ KHTMLPart::GUIProfile prof = KHTMLPart::DefaultGUI;
+ if ( strcmp( className, "Browser/View" ) == 0 )
+ prof = KHTMLPart::BrowserViewGUI;
+
+ return new KHTMLPart( parentWidget, widgetName, parent, name, prof );
+}
+
+void KHTMLFactory::ref()
+{
+ if ( !s_refcnt && !s_self )
+ {
+ // we can't use a staticdeleter here, because that would mean
+ // that the factory gets deleted from within a qPostRoutine, called
+ // from the QApplication destructor. That however is too late, because
+ // we want to destruct a KInstance object, which involves destructing
+ // a KConfig object, which might call KGlobal::dirs() (in sync()) which
+ // probably is not going to work ;-)
+ // well, perhaps I'm wrong here, but as I'm unsure I try to stay on the
+ // safe side ;-) -> let's use a simple reference counting scheme
+ // (Simon)
+ s_self = new KHTMLFactory;
+ khtml::Cache::init();
+ }
+
+ s_refcnt++;
+}
+
+void KHTMLFactory::deref()
+{
+ if ( !--s_refcnt && s_self )
+ {
+ delete s_self;
+ s_self = 0;
+ }
+}
+
+void KHTMLFactory::registerPart( KHTMLPart *part )
+{
+ if ( !s_parts )
+ s_parts = new QPtrList<KHTMLPart>;
+
+ if ( !s_parts->containsRef( part ) )
+ {
+ s_parts->append( part );
+ ref();
+ }
+}
+
+void KHTMLFactory::deregisterPart( KHTMLPart *part )
+{
+ assert( s_parts );
+
+ if ( s_parts->removeRef( part ) )
+ {
+ if ( s_parts->isEmpty() )
+ {
+ delete s_parts;
+ s_parts = 0;
+ }
+ deref();
+ }
+}
+
+KInstance *KHTMLFactory::instance()
+{
+ assert( s_self );
+
+ if ( !s_instance )
+ {
+ s_about = new KAboutData( "khtml", I18N_NOOP( "KHTML" ), "4.0",
+ I18N_NOOP( "Embeddable HTML component" ),
+ KAboutData::License_LGPL );
+ s_about->addAuthor( "Lars Knoll", 0, "knoll@kde.org" );
+ s_about->addAuthor( "Antti Koivisto", 0, "koivisto@kde.org" );
+ s_about->addAuthor( "Waldo Bastian", 0, "bastian@kde.org" );
+ s_about->addAuthor( "Dirk Mueller", 0, "mueller@kde.org" );
+ s_about->addAuthor( "Peter Kelly", 0, "pmk@kde.org" );
+ s_about->addAuthor( "Torben Weis", 0, "weis@kde.org" );
+ s_about->addAuthor( "Martin Jones", 0, "mjones@kde.org" );
+ s_about->addAuthor( "Simon Hausmann", 0, "hausmann@kde.org" );
+ s_about->addAuthor( "Tobias Anton", 0, "anton@stud.fbi.fh-darmstadt.de" );
+
+ s_instance = new KInstance( s_about );
+ }
+
+ return s_instance;
+}
+
+KHTMLSettings *KHTMLFactory::defaultHTMLSettings()
+{
+ assert( s_self );
+ if ( !s_settings )
+ s_settings = new KHTMLSettings();
+
+ return s_settings;
+}
+
+using namespace KParts;
+#include "khtml_factory.moc"
+