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

1 files changed, 402 insertions, 0 deletions

diff --git a/kopete/plugins/translator/translatorplugin.cpp b/kopete/plugins/translator/translatorplugin.cpp
new file mode 100644
index 00000000..694f0bd1
--- /dev/null
+++ b/kopete/plugins/translator/translatorplugin.cpp
@@ -0,0 +1,402 @@
+/*
+    translatorplugin.cpp
+
+    Kopete Translator plugin
+
+    Copyright (c) 2001-2002 by Duncan Mac-Vicar Prett       <[email protected]>
+    Copyright (c) 2002-2004 by Olivier Goffart      <ogoffart @ kde.org>
+
+    Kopete    (c) 2002-2004 by the Kopete developers  <[email protected]>
+
+    *************************************************************************
+    *                                                                       *
+    * This program 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.                                   *
+    *                                                                       *
+    *************************************************************************
+*/
+
+#include <qapplication.h>
+#include <qregexp.h>
+#include <qsignal.h>
+#include <qstring.h>
+
+#include <kdebug.h>
+#include <kaction.h>
+#include <kgenericfactory.h>
+#include <kglobal.h>
+#include <kconfig.h>
+#include <kdeversion.h>
+#include <kaboutdata.h>
+
+#include "kopetemetacontact.h"
+#include "kopetecontactlist.h"
+#include "kopetemessagemanagerfactory.h"
+#include "kopetecontact.h"
+
+#include "translatorplugin.h"
+#include "translatordialog.h"
+#include "translatorguiclient.h"
+#include "translatorlanguages.h"
+
+typedef KGenericFactory<TranslatorPlugin> TranslatorPluginFactory;
+#if KDE_IS_VERSION(3,2,90)
+static const KAboutData aboutdata("kopete_translator", I18N_NOOP("Translator") , "1.0" );
+K_EXPORT_COMPONENT_FACTORY( kopete_translator, TranslatorPluginFactory( &aboutdata )  )
+#else
+K_EXPORT_COMPONENT_FACTORY( kopete_translator, TranslatorPluginFactory( "kopete_translator" )  )
+#endif
+
+TranslatorPlugin::TranslatorPlugin( QObject *parent, const char *name, const QStringList & /* args */ )
+: Kopete::Plugin( TranslatorPluginFactory::instance(), parent, name )
+{
+	kdDebug( 14308 ) << k_funcinfo << endl;
+
+
+	if ( pluginStatic_ )
+		kdWarning( 14308 ) << k_funcinfo << "Translator already initialized" << endl;
+	else
+		pluginStatic_ = this;
+
+	m_languages = new TranslatorLanguages;
+
+	connect( Kopete::ChatSessionManager::self(), SIGNAL( aboutToDisplay( Kopete::Message & ) ),
+		this, SLOT( slotIncomingMessage( Kopete::Message & ) ) );
+	connect( Kopete::ChatSessionManager::self(), SIGNAL( aboutToSend( Kopete::Message & ) ),
+		this, SLOT( slotOutgoingMessage( Kopete::Message & ) ) );
+	connect( Kopete::ChatSessionManager::self(), SIGNAL( chatSessionCreated( Kopete::ChatSession * ) ),
+		this, SLOT( slotNewKMM( Kopete::ChatSession * ) ) );
+
+	QStringList keys;
+	QMap<QString, QString> m = m_languages->languagesMap();
+	for ( int k = 0; k <= m_languages->numLanguages(); k++ )
+		keys << m[ m_languages->languageKey( k ) ];
+
+	m_actionLanguage = new KSelectAction( i18n( "Set &Language" ), "locale", 0, actionCollection(), "contactLanguage" );
+	m_actionLanguage->setItems( keys );
+	connect( m_actionLanguage, SIGNAL( activated() ), this, SLOT(slotSetLanguage() ) );
+	connect( Kopete::ContactList::self(), SIGNAL( metaContactSelected( bool ) ), this, SLOT( slotSelectionChanged( bool ) ) );
+
+	setXMLFile( "translatorui.rc" );
+
+	//Add GUI action to all already existing kmm (if the plugin is launched when kopete already rining)
+	QValueList<Kopete::ChatSession*> sessions = Kopete::ChatSessionManager::self()->sessions();
+	for (QValueListIterator<Kopete::ChatSession*> it= sessions.begin(); it!=sessions.end() ; ++it)
+	  slotNewKMM( *it );
+
+	loadSettings();
+	connect( this, SIGNAL( settingsChanged() ), this, SLOT( loadSettings() ) );
+}
+
+TranslatorPlugin::~TranslatorPlugin()
+{
+	kdDebug( 14308 ) << k_funcinfo << endl;
+	pluginStatic_ = 0L;
+}
+
+TranslatorPlugin* TranslatorPlugin::plugin()
+{
+	return pluginStatic_;
+}
+
+TranslatorPlugin* TranslatorPlugin::pluginStatic_ = 0L;
+
+void TranslatorPlugin::loadSettings()
+{
+	KConfig *config = KGlobal::config();
+	int mode = 0;
+
+	config->setGroup( "Translator Plugin" );
+	m_myLang = m_languages->languageKey( config->readNumEntry( "myLang" , 0 ) );
+	m_service = m_languages->serviceKey( config->readNumEntry( "Service", 0 ) );
+
+	if ( config->readBoolEntry( "IncomingDontTranslate", true ) )
+		mode = 0;
+	else if ( config->readBoolEntry( "IncomingShowOriginal", false ) )
+		mode = 1;
+	else if ( config->readBoolEntry( "IncomingTranslate", false ) )
+		mode = 2;
+
+	m_incomingMode = mode;
+
+	if ( config->readBoolEntry( "OutgoingDontTranslate", true ) )
+		mode = 0;
+	else if ( config->readBoolEntry( "OutgoingShowOriginal", false ) )
+		mode = 1;
+	else if ( config->readBoolEntry( "OutgoingTranslate", false ) )
+		mode = 2;
+	else if ( config->readBoolEntry( "OutgoingAsk", false ) )
+		mode = 3;
+
+	m_outgoingMode = mode;
+}
+
+void TranslatorPlugin::slotSelectionChanged( bool b )
+{
+	m_actionLanguage->setEnabled( b );
+
+	if ( !b )
+		return;
+
+	Kopete::MetaContact *m = Kopete::ContactList::self()->selectedMetaContacts().first();
+
+	if( !m )
+		return;
+
+	QString languageKey = m->pluginData( this, "languageKey" );
+	if ( !languageKey.isEmpty() && languageKey != "null" )
+		m_actionLanguage->setCurrentItem( m_languages->languageIndex( languageKey ) );
+	else
+		m_actionLanguage->setCurrentItem( m_languages->languageIndex( "null" ) );
+}
+
+void TranslatorPlugin::slotNewKMM( Kopete::ChatSession *KMM )
+{
+	new TranslatorGUIClient( KMM );
+}
+
+void TranslatorPlugin::slotIncomingMessage( Kopete::Message &msg )
+{
+	if ( m_incomingMode == DontTranslate )
+		return;
+
+	QString src_lang;
+	QString dst_lang;
+
+	if ( ( msg.direction() == Kopete::Message::Inbound ) && !msg.plainBody().isEmpty() )
+	{
+		Kopete::MetaContact *from = msg.from()->metaContact();
+		if ( !from )
+		{
+//			kdDebug( 14308 ) << k_funcinfo << "No metaContact for source contact" << endl;
+			return;
+		}
+		src_lang = from->pluginData( this, "languageKey" );
+		if( src_lang.isEmpty() || src_lang == "null" )
+		{
+//			kdDebug( 14308 ) << k_funcinfo << "Cannot determine src Metacontact language (" << from->displayName() << ")" << endl;
+			return;
+		}
+
+		dst_lang = m_myLang;
+
+		sendTranslation( msg, translateMessage( msg.plainBody(), src_lang, dst_lang ) );
+	}
+}
+
+void TranslatorPlugin::slotOutgoingMessage( Kopete::Message &msg )
+{
+	if ( m_outgoingMode == DontTranslate )
+		return;
+
+	QString src_lang;
+	QString dst_lang;
+
+	if ( ( msg.direction() == Kopete::Message::Outbound ) && ( !msg.plainBody().isEmpty() ) )
+	{
+		src_lang = m_myLang;
+
+		// Sad, we have to consider only the first To: metacontact
+		Kopete::MetaContact *to = msg.to().first()->metaContact();
+		if ( !to )
+		{
+//			kdDebug( 14308 ) << k_funcinfo << "No metaContact for first contact" << endl;
+			return;
+		}
+		dst_lang = to->pluginData( this, "languageKey" );
+		if ( dst_lang.isEmpty() || dst_lang == "null" )
+		{
+//			kdDebug( 14308 ) << k_funcinfo << "Cannot determine dst Metacontact language (" << to->displayName() << ")" << endl;
+			return;
+		}
+
+		sendTranslation( msg, translateMessage( msg.plainBody(), src_lang, dst_lang ) );
+	}
+}
+
+void TranslatorPlugin::translateMessage( const QString &msg, const QString &from, const QString &to, QObject *obj, const char* slot )
+{
+	QSignal completeSignal;
+	completeSignal.connect( obj, slot );
+
+	QString result = translateMessage( msg, from, to );
+
+	if(!result.isNull())
+	{
+		completeSignal.setValue( result );
+		completeSignal.activate();
+	}
+}
+
+QString TranslatorPlugin::translateMessage( const QString &msg, const QString &from, const QString &to )
+{
+	if ( from == to )
+	{
+		kdDebug( 14308 ) << k_funcinfo << "Src and Dst languages are the same" << endl;
+		return QString::null;
+	}
+
+	// We search for src_dst
+	if(! m_languages->supported( m_service ).contains( from + "_" + to ) )
+	{
+		kdDebug( 14308 ) << k_funcinfo << from << "_" << to << " is not supported by service " << m_service << endl;
+		return QString::null;
+	}
+		
+
+	if ( m_service == "babelfish" )
+		return babelTranslateMessage( msg ,from, to );
+	else if ( m_service == "google" )
+		return googleTranslateMessage( msg ,from, to );
+	else
+		return QString::null;
+}
+
+QString TranslatorPlugin::googleTranslateMessage( const QString &msg, const QString &from, const QString &to )
+{
+	KURL translatorURL ( "http://translate.google.com/translate_t");
+
+	QString body = KURL::encode_string( msg );
+	QString lp = from + "|" + to;
+
+	QCString postData = QString( "text=" + body + "&langpair=" + lp ).utf8();
+
+	QString gurl = "http://translate.google.com/translate_t?text=" + body +"&langpair=" + lp;
+	kdDebug(14308) << k_funcinfo << " URL: " << gurl << endl;
+	KURL geturl ( gurl );
+
+	KIO::TransferJob *job = KIO::get( geturl, false, true );
+	//job = KIO::http_post( translatorURL, postData, true );
+
+	//job->addMetaData( "content-type", "application/x-www-form-urlencoded" );
+	//job->addMetaData( "referrer", "http://www.google.com" );
+
+	QObject::connect( job, SIGNAL( data( KIO::Job *, const QByteArray & ) ), this, SLOT( slotDataReceived( KIO::Job *, const QByteArray & ) ) );
+	QObject::connect( job, SIGNAL( result( KIO::Job * ) ), this, SLOT( slotJobDone( KIO::Job * ) ) );
+
+	// KIO is async and we use a sync API, so use the processEvents hack to work around that
+	// FIXME: We need to make the libkopete API async to get rid of this processEvents.
+	//        It often causes crashes in the code. - Martijn
+	while ( !m_completed[ job ] )
+		qApp->processEvents();
+
+	QString data = QString::fromLatin1( m_data[ job ] );
+
+	// After hacks, we need to clean
+	m_data.remove( job );
+	m_completed.remove( job );
+
+//	kdDebug( 14308 ) << k_funcinfo << "Google response:"<< endl << data << endl;
+
+	QRegExp re( "<textarea name=q rows=5 cols=45 wrap=PHYSICAL>(.*)</textarea>" );
+	re.setMinimal( true );
+	re.search( data );
+
+	return re.cap( 1 );
+}
+
+QString TranslatorPlugin::babelTranslateMessage( const QString &msg, const QString &from, const QString &to )
+{
+	QString body = KURL::encode_string( msg);
+	QString lp = from + "_" + to;
+	QString gurl = "http://babelfish.altavista.com/babelfish/tr?enc=utf8&doit=done&tt=urltext&urltext=" + body + "&lp=" + lp;
+	KURL geturl ( gurl );
+
+	kdDebug( 14308 ) << k_funcinfo << "URL: " << gurl << endl;
+
+	KIO::TransferJob *job = KIO::get( geturl, false, true );
+
+	QObject::connect( job, SIGNAL( data( KIO::Job *, const QByteArray & ) ), this, SLOT( slotDataReceived( KIO::Job *, const QByteArray & ) ) );
+	QObject::connect( job, SIGNAL( result( KIO::Job * ) ), this, SLOT( slotJobDone( KIO::Job * ) ) );
+
+	// KIO is async and we use a sync API, so use the processEvents hack to work around that
+	// FIXME: We need to make the libkopete API async to get rid of this processEvents.
+	//        It often causes crashes in the code. - Martijn
+	while ( !m_completed[ job ] )
+		qApp->processEvents();
+
+	QString data = QString::fromUtf8( m_data[ job ] );
+
+	// After hacks, we need to clean
+	m_data.remove( job );
+	m_completed.remove( job );
+
+	//kdDebug( 14308 ) << k_funcinfo << "Babelfish response: " << endl << data << endl;
+
+	QRegExp re( "<Div style=padding:10px; lang=..>(.*)</div" );
+	re.setMinimal( true );
+	re.search( data );
+
+	return re.cap( 1 );
+}
+
+void TranslatorPlugin::sendTranslation( Kopete::Message &msg, const QString &translated )
+{
+	if ( translated.isEmpty() )
+	{
+		kdWarning( 14308 ) << k_funcinfo << "Translated text is empty" << endl;
+		return;
+	}
+
+	TranslateMode mode = DontTranslate;
+
+	switch ( msg.direction() )
+	{
+	case Kopete::Message::Outbound:
+		mode = TranslateMode( m_outgoingMode );
+		break;
+	case Kopete::Message::Inbound:
+		mode = TranslateMode( m_incomingMode );
+		break;
+	default:
+		kdWarning( 14308 ) << k_funcinfo << "Can't determine if it is an incoming or outgoing message" << endl;
+	};
+
+	switch ( mode )
+	{
+	case JustTranslate:
+		msg.setBody( translated, msg.format() );
+		break;
+	case ShowOriginal:
+		msg.setBody( i18n( "%2\nAuto Translated: %1" ).arg( translated, msg.plainBody() ), msg.format() );
+		break;
+	case ShowDialog:
+	{
+		TranslatorDialog *d = new TranslatorDialog( translated );
+		d->exec();
+		msg.setBody( d->translatedText(), msg.format() );
+		delete d;
+		break;
+	}
+	case DontTranslate:
+	default:
+		//do nothing
+		break;
+	};
+}
+
+void TranslatorPlugin::slotDataReceived ( KIO::Job *job, const QByteArray &data )
+{
+	m_data[ job ] += QCString( data, data.size() + 1 );
+}
+
+void TranslatorPlugin::slotJobDone ( KIO::Job *job )
+{
+	m_completed[ job ] = true;
+	QObject::disconnect( job, SIGNAL( data( KIO::Job *, const QByteArray & ) ), this, SLOT( slotDataReceived( KIO::Job *, const QByteArray & ) ) );
+	QObject::disconnect( job, SIGNAL( result( KIO::Job * ) ), this, SLOT( slotJobDone( KIO::Job * ) ) );
+}
+
+void TranslatorPlugin::slotSetLanguage()
+{
+	Kopete::MetaContact *m = Kopete::ContactList::self()->selectedMetaContacts().first();
+	if( m && m_actionLanguage )
+		m->setPluginData( this, "languageKey", m_languages->languageKey( m_actionLanguage->currentItem() ) );
+}
+
+#include "translatorplugin.moc"
+
+// vim: set noet ts=4 sts=4 sw=4:
+