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/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 191 insertions, 0 deletions

diff --git a/kmail/bodypartformatterfactory.cpp b/kmail/bodypartformatterfactory.cpp
new file mode 100644
index 00000000..24ee2fba
--- /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() );
+}