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, 330 insertions, 0 deletions

diff --git a/korn/kio_count.cpp b/korn/kio_count.cpp
new file mode 100644
index 000000000..e82827bb4
--- /dev/null
+++ b/korn/kio_count.cpp
@@ -0,0 +1,330 @@
+/*
+ * Copyright (C) 2004, Mart Kelder (mart.kde@hccnet.nl)
+ *
+ * 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.
+ *
+ * This program 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
+ */
+
+#include "kio_count.h"
+
+#include "kio.h"
+#include "kio_proto.h"
+#include "kio_single_subject.h"
+#include "mailsubject.h"
+#include "sortedmailsubject.h"
+
+#include <kdebug.h>
+#include <kio/jobclasses.h>
+#include <kio/scheduler.h>
+#include <kio/slave.h>
+#include <kio/global.h>
+#include <kurl.h>
+#include <qvaluelist.h>
+
+#include <qstring.h>
+
+KIO_Count::KIO_Count( QObject * parent, const char * name )
+	: QObject ( parent, name ),
+	_kurl( 0 ),
+	_metadata( 0 ),
+	_protocol( 0 ),
+	_valid( true ),
+	_new_mailurls( 0 ),
+	_subjects_pending( 0 ),
+	_total_new_messages( 0 ),
+	_popup_subjects( 0 )
+{
+}
+
+KIO_Count::~KIO_Count()
+{
+	// Delete copies of urls.
+	delete _kurl;
+	delete _metadata;
+}
+
+void KIO_Count::count( KKioDrop *drop )
+{
+	if( _new_mailurls )
+		return; //A counting is pending, so no new one is started.
+
+	delete _kurl;
+	delete _metadata;
+	_kio = drop;
+
+	/*
+	 * Saving current settings: all actions are asynchroon, so if someone
+	 * use slow servers, settings could been changed before this class is
+	 * finished with counten. To be able to track back te staring values;
+	 * these are saved in the class.
+	 */
+	_kurl = new KURL( *_kio->_kurl );
+	_metadata = new KIO::MetaData( *_kio->_metadata );
+	_protocol = _kio->_protocol;
+
+	KURL kurl = *_kurl;
+	KIO::MetaData metadata = *_metadata;
+
+	// Serup a connection
+	if( _protocol->connectionBased( ) )
+	{
+		_protocol->recheckConnectKURL( kurl, metadata );
+
+		if( kurl.port() == 0 )
+			kurl.setPort( _protocol->defaultPort( _kio->_ssl ) );
+
+		if( ! ( _slave = KIO::Scheduler::getConnectedSlave( kurl, metadata ) ) ) //Forcing reload
+		{
+			kdWarning() << i18n( "Not able to open a kio slave for %1." ).arg( _protocol->configName() ) << endl;
+			_kio->emitShowPassivePopup( i18n( "Not able to open a kio slave for %1." ).arg( _protocol->configName() ) );
+			_valid = false;
+			_kio->emitValidChanged();
+			_slave = 0;
+			//delete _new_mailurls; _new_mailurls = 0; //No connection pending
+			return;
+		}
+
+		connect( _slave, SIGNAL( error( int, const QString& ) ), _kio, SLOT( slotConnectionError( int, const QString& ) ) );
+		connect( _slave, SIGNAL( warning( const QString& ) ), _kio, SLOT( slotConnectionWarning( const QString& ) ) );
+		connect( _slave, SIGNAL( infoMessage( const QString& ) ), _kio, SLOT( slotConnectionInfoMessage( const QString& ) ) );
+
+		/*
+		 * _protocol->recheckConnectKURL could have change kurl and metadata in order to have the right
+		 * settings to connect. But some other functions assumed unmodified settings,
+		 * so the settings are set back to his originals.
+		 */
+		kurl = *_kurl;
+		metadata = *_metadata;
+	}
+	else
+	{
+		_slave = 0; //Prevent disconnecting not-existing slave
+	}
+
+	/* Blocking this function: no new counts can be started from now */
+	_new_mailurls = new QValueList< KKioDrop::FileInfo >;
+
+	_protocol->recheckKURL( kurl, metadata );
+
+	if( kurl.port() == 0 )
+		kurl.setPort( _protocol->defaultPort( _kio->_ssl ) );
+
+	//Making job to fetch file-list
+	
+	_job = KIO::listDir( kurl, false );
+	_job->addMetaData( metadata );
+
+	connect( _job, SIGNAL( result( KIO::Job* ) ), this, SLOT( result( KIO::Job* ) ) );
+	connect( _job, SIGNAL( entries( KIO::Job*, const KIO::UDSEntryList& ) ),
+	         this, SLOT( entries( KIO::Job*, const KIO::UDSEntryList& ) ) );
+
+	if( _protocol->connectionBased() )
+		KIO::Scheduler::assignJobToSlave( _slave, _job );
+	else
+		KIO::Scheduler::scheduleJob( _job );
+}
+
+void KIO_Count::stopActiveCount()
+{
+	if( !_new_mailurls )
+		return;
+
+	disconnect( _job, SIGNAL( result( KIO::Job* ) ), this, SLOT( result( KIO::Job* ) ) );
+	disconnect( _job, SIGNAL( entries( KIO::Job*, const KIO::UDSEntryList& ) ),
+	            this, SLOT( entries( KIO::Job*, const KIO::UDSEntryList& ) ) );
+
+	KIO::Scheduler::cancelJob( _job );
+
+	if( _slave )
+	{
+		//Slave seems to be disconnected by canceling the last job of the slave
+		//KIO::Scheduler::disconnectSlave( _slave );
+		_slave = 0;
+	}
+
+	//Deletings settings
+	delete _kurl; _kurl = 0;
+	delete _metadata; _metadata = 0;
+
+	delete _new_mailurls; _new_mailurls = 0;
+}
+
+void KIO_Count::showPassive( const QString& id )
+{
+	KURL kurl = *_kio->_kurl;
+	KIO::MetaData metadata = *_kio->_metadata;
+	kurl = id;
+	//KIO::Slave *slave = 0;
+
+	_kio->_protocol->readSubjectKURL( kurl, metadata );
+	if( kurl.port() == 0 )
+		kurl.setPort( _kio->_protocol->defaultPort( _kio->_ssl ) );
+
+	KIO_Single_Subject *subject = new KIO_Single_Subject( this, id.latin1(), kurl, metadata, _kio->_protocol, _slave, id, 0 );
+
+	_subjects_pending++;
+
+	connect( subject, SIGNAL( readSubject( KornMailSubject* ) ), this, SLOT( addtoPassivePopup( KornMailSubject* ) ) );
+        connect( subject, SIGNAL( finished( KIO_Single_Subject* ) ), this, SLOT( deleteSingleSubject( KIO_Single_Subject* ) ) );
+}
+
+void KIO_Count::disconnectSlave()
+{
+	if( _subjects_pending > 0 )
+		return; //Still getting data
+
+	if( !_protocol->connectionBased() )
+		return; //Protocol doesn't have a connection
+
+	if( !_slave )
+		return; //Slave doens't exist
+
+	//Disconnect slave
+	KIO::Scheduler::disconnectSlave( _slave );
+	_slave = 0;
+	_protocol = 0;
+}
+
+//This function is called when fetching is over
+void KIO_Count::result( KIO::Job* job )
+{
+	//job should be the latest job; elsewise: print an error.
+	if( job != _job )
+		kdError() << i18n( "Got unknown job; something must be wrong..." ) << endl;
+
+	//look of an error occurred. If there is, print the error.
+	//This could be very useful by resolving bugs.
+	if( job->error() )
+	{
+		kdError() << i18n( "The next KIO-error occurred by counting: %1" ).arg( job->errorString() ) << endl;
+		_kio->emitShowPassivePopup( i18n( "The next KIO-error occurred by counting: %1" ).arg( job->errorString() ) );
+		_valid = false;
+		_kio->emitValidChanged();
+	}
+
+	disconnect( job, SIGNAL( result( KIO::Job* ) ), this, SLOT( result( KIO::Job* ) ) );
+	disconnect( job, SIGNAL( entries( KIO::Job*, const KIO::UDSEntryList& ) ),
+	            this, SLOT( entries( KIO::Job*, const KIO::UDSEntryList& ) ) );
+
+	disconnectSlave();
+
+	//Deletings settings
+	delete _kurl; _kurl = 0;
+	delete _metadata; _metadata = 0;
+
+	if( _kio->_mailurls->count() != _new_mailurls->count() )
+	{
+		*_kio->_mailurls = *_new_mailurls;
+		_kio->emitChanged(_kio->_mailurls->count());
+	}
+	else
+	{
+		*_kio->_mailurls = *_new_mailurls;
+	}
+	delete _new_mailurls; _new_mailurls = 0;
+
+	_valid = true;
+	_kio->emitValidChanged();
+	_kio->emitRechecked();
+}
+
+//An file list is ready; now save it in _kio->_mailurls.
+void KIO_Count::entries( KIO::Job* job, const KIO::UDSEntryList &list )
+{
+	QStringList old_list;
+	KIO::UDSEntryListConstIterator  it1 ;
+	KIO::UDSEntry::ConstIterator it2 ;
+	KIO::MetaData metadata;
+	KURL kurl;
+	bool isFile;
+
+	//job should be the latest job
+	if( job != _job )
+		kdError() << i18n( "Got unknown job; something must be wrong..." ) << endl;
+
+	for( QValueListConstIterator<KKioDrop::FileInfo> it = _kio->_mailurls->begin(); it != _kio->_mailurls->end(); ++it )
+		old_list.append( (*it).name );
+
+	for ( it1 = list.begin() ; it1 != list.end() ; it1++ )
+	{
+		/*
+		 * The list contains multiple objects. Each object could be a file.
+		 * Settings about it are saved in this scope until it is added to the list.
+		 */
+		isFile=false;
+		KKioDrop::FileInfo fileinfo;
+		fileinfo.name = QString::null;
+		fileinfo.size = 0;
+
+		for ( it2 = (*it1).begin() ; it2 != (*it1).end() ; it2++ )
+		{
+			if( (*it2).m_uds == KIO::UDS_FILE_TYPE &&
+			    ((long)(*it2).m_long & S_IFREG ) )
+				isFile=true;
+			else if( (*it2).m_uds == KIO::UDS_URL )
+				fileinfo.name = (*it2).m_str;
+			else if( (*it2).m_uds == KIO::UDS_NAME )
+			{ //The file kioslave doesn't return UDS_URL.
+				kurl = *_kurl;
+				metadata = *_metadata;
+				_protocol->recheckKURL( kurl, metadata );
+				kurl.setPath ( kurl.path() + '/' + (*it2).m_str );
+				fileinfo.name = kurl.url();
+			}
+			else if( (*it2).m_uds == KIO::UDS_SIZE )
+			{
+				fileinfo.size = (*it2).m_long;
+			}
+		}
+
+		//Add the entry.
+		if( ! fileinfo.name.isNull() && isFile )
+		{
+			_new_mailurls->append( fileinfo );
+			if( ! old_list.contains( fileinfo.name ) && _kio->passivePopup() )
+				showPassive( fileinfo.name );
+		}
+	}
+}
+
+void KIO_Count::addtoPassivePopup( KornMailSubject* subject )
+{
+	if( ! _popup_subjects )
+	{
+		_popup_subjects = new SortedMailSubject;
+		_popup_subjects->setAutoDelete( true );
+	}
+
+	_popup_subjects->inSort( subject );
+	if( _popup_subjects->count() > 5 )
+		_popup_subjects->removeFirst(); //Overhead: subject is downloaded
+
+	_subjects_pending--;
+	_total_new_messages++;
+	if( _subjects_pending == 0 )
+	{
+		_kio->emitShowPassivePopup( dynamic_cast< QPtrList<KornMailSubject>* >( _popup_subjects ), _total_new_messages );
+		delete _popup_subjects; _popup_subjects = 0;
+		_total_new_messages = 0;
+
+		disconnectSlave();
+	}
+}
+
+void KIO_Count::deleteSingleSubject( KIO_Single_Subject* single_subject )
+{
+	delete single_subject;
+}
+
+#include "kio_count.moc"