summaryrefslogtreecommitdiffstats
path: root/kmail/bodypartformatterfactory.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'kmail/bodypartformatterfactory.cpp')
-rw-r--r--kmail/bodypartformatterfactory.cpp191
1 files changed, 191 insertions, 0 deletions
diff --git a/kmail/bodypartformatterfactory.cpp b/kmail/bodypartformatterfactory.cpp
new file mode 100644
index 000000000..24ee2fba3
--- /dev/null
+++ b/kmail/bodypartformatterfactory.cpp
@@ -0,0 +1,191 @@
+/* -*- mode: C++; c-file-style: "gnu" -*-
+ bodypartformatterfactory.cpp
+
+ This file is part of KMail, the KDE mail client.
+ Copyright (c) 2004 Marc Mutz <mutz@kde.org>,
+ Ingo Kloecker <kloecker@kde.org>
+
+ KMail is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ KMail 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of this program with any edition of
+ the Qt library by Trolltech AS, Norway (or with modified versions
+ of Qt that use the same license as Qt), and distribute linked
+ combinations including the two. You must obey the GNU General
+ Public License in all respects for all of the code used other than
+ Qt. If you modify this file, you may extend this exception to
+ your version of the file, but you are not obligated to do so. If
+ you do not wish to do so, delete this exception statement from
+ your version.
+*/
+
+#include "bodypartformatterfactory.h"
+#include "bodypartformatterfactory_p.h"
+using namespace KMail::BodyPartFormatterFactoryPrivate;
+
+#include "interfaces/bodypartformatter.h"
+#include "urlhandlermanager.h"
+
+// libkdepim
+#include <libkdepim/pluginloader.h>
+
+// KDE
+#include <kdebug.h>
+
+// Qt
+#include <qstring.h>
+#include <qcstring.h>
+#include <qstringlist.h>
+
+#include <assert.h>
+
+namespace {
+
+ KPIM_DEFINE_PLUGIN_LOADER( BodyPartFormatterPluginLoader,
+ KMail::Interface::BodyPartFormatterPlugin,
+ "create_bodypart_formatter_plugin",
+ "kmail/plugins/bodypartformatter/*.desktop" )
+
+}
+
+KMail::BodyPartFormatterFactory * KMail::BodyPartFormatterFactory::mSelf = 0;
+
+const KMail::BodyPartFormatterFactory * KMail::BodyPartFormatterFactory::instance() {
+ if ( !mSelf )
+ mSelf = new BodyPartFormatterFactory();
+ return mSelf;
+}
+
+KMail::BodyPartFormatterFactory::BodyPartFormatterFactory() {
+ mSelf = this;
+}
+
+KMail::BodyPartFormatterFactory::~BodyPartFormatterFactory() {
+ mSelf = 0;
+}
+
+static TypeRegistry * all = 0;
+
+static void insertBodyPartFormatter( const char * type, const char * subtype,
+ const KMail::Interface::BodyPartFormatter * formatter ) {
+ if ( !type || !*type || !subtype || !*subtype || !formatter || !all )
+ return;
+
+ TypeRegistry::iterator type_it = all->find( type );
+ if ( type_it == all->end() ) {
+ kdDebug( 5006 ) << "BodyPartFormatterFactory: instantiating new Subtype Registry for \""
+ << type << "\"" << endl;
+ type_it = all->insert( std::make_pair( type, SubtypeRegistry() ) ).first;
+ assert( type_it != all->end() );
+ }
+
+ SubtypeRegistry & subtype_reg = type_it->second;
+ SubtypeRegistry::iterator subtype_it = subtype_reg.find( subtype );
+ if ( subtype_it != subtype_reg.end() ) {
+ kdDebug( 5006 ) << "BodyPartFormatterFactory: overwriting previously registered formatter for \""
+ << type << "/" << subtype << "\"" << endl;
+ subtype_reg.erase( subtype_it ); subtype_it = subtype_reg.end();
+ }
+
+ subtype_reg.insert( std::make_pair( subtype, formatter ) );
+}
+
+static void loadPlugins() {
+ const BodyPartFormatterPluginLoader * pl = BodyPartFormatterPluginLoader::instance();
+ if ( !pl ) {
+ kdWarning( 5006 ) << "BodyPartFormatterFactory: cannot instantiate plugin loader!" << endl;
+ return;
+ }
+ const QStringList types = pl->types();
+ kdDebug( 5006 ) << "BodyPartFormatterFactory: found " << types.size() << " plugins." << endl;
+ for ( QStringList::const_iterator it = types.begin() ; it != types.end() ; ++it ) {
+ const KMail::Interface::BodyPartFormatterPlugin * plugin = pl->createForName( *it );
+ if ( !plugin ) {
+ kdWarning( 5006 ) << "BodyPartFormatterFactory: plugin \"" << *it << "\" is not valid!" << endl;
+ continue;
+ }
+ for ( int i = 0 ; const KMail::Interface::BodyPartFormatter * bfp = plugin->bodyPartFormatter( i ) ; ++i ) {
+ const char * type = plugin->type( i );
+ if ( !type || !*type ) {
+ kdWarning( 5006 ) << "BodyPartFormatterFactory: plugin \"" << *it
+ << "\" returned empty type specification for index "
+ << i << endl;
+ break;
+ }
+ const char * subtype = plugin->subtype( i );
+ if ( !subtype || !*subtype ) {
+ kdWarning( 5006 ) << "BodyPartFormatterFactory: plugin \"" << *it
+ << "\" returned empty subtype specification for index "
+ << i << endl;
+ break;
+ }
+ insertBodyPartFormatter( type, subtype, bfp );
+ }
+ for ( int i = 0 ; const KMail::Interface::BodyPartURLHandler * handler = plugin->urlHandler( i ) ; ++i )
+ KMail::URLHandlerManager::instance()->registerHandler( handler );
+ }
+}
+
+static void setup() {
+ if ( !all ) {
+ all = new TypeRegistry();
+ kmail_create_builtin_bodypart_formatters( all );
+ loadPlugins();
+ }
+}
+
+
+const KMail::Interface::BodyPartFormatter * KMail::BodyPartFormatterFactory::createFor( const char * type, const char * subtype ) const {
+ if ( !type || !*type )
+ type = "*";
+ if ( !subtype || !*subtype )
+ subtype = "*";
+
+ setup();
+ assert( all );
+
+ if ( all->empty() )
+ return 0;
+
+ TypeRegistry::const_iterator type_it = all->find( type );
+ if ( type_it == all->end() )
+ type_it = all->find( "*" );
+ if ( type_it == all->end() )
+ return 0;
+
+ const SubtypeRegistry & subtype_reg = type_it->second;
+ if ( subtype_reg.empty() )
+ return 0;
+
+ SubtypeRegistry::const_iterator subtype_it = subtype_reg.find( subtype );
+ if ( subtype_it == subtype_reg.end() )
+ subtype_it = subtype_reg.find( "*" );
+ if ( subtype_it == subtype_reg.end() )
+ return 0;
+
+ kdWarning( !(*subtype_it).second, 5006 )
+ << "BodyPartFormatterFactory: a null bodypart formatter sneaked in for \""
+ << type << "/" << subtype << "\"!" << endl;
+
+ return (*subtype_it).second;
+}
+
+const KMail::Interface::BodyPartFormatter * KMail::BodyPartFormatterFactory::createFor( const QString & type, const QString & subtype ) const {
+ return createFor( type.latin1(), subtype.latin1() );
+}
+
+const KMail::Interface::BodyPartFormatter * KMail::BodyPartFormatterFactory::createFor( const QCString & type, const QCString & subtype ) const {
+ return createFor( type.data(), subtype.data() );
+}