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akonadi

collectionfetchjob.cpp

00001 /*
00002     Copyright (c) 2006 - 2007 Volker Krause <vkrause@kde.org>
00003 
00004     This library is free software; you can redistribute it and/or modify it
00005     under the terms of the GNU Library General Public License as published by
00006     the Free Software Foundation; either version 2 of the License, or (at your
00007     option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful, but WITHOUT
00010     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00011     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00012     License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to the
00016     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017     02110-1301, USA.
00018 */
00019 
00020 #include "collectionfetchjob.h"
00021 
00022 #include "imapparser_p.h"
00023 #include "job_p.h"
00024 #include "protocol_p.h"
00025 #include "protocolhelper_p.h"
00026 #include "entity_p.h"
00027 
00028 #include <kdebug.h>
00029 
00030 #include <QtCore/QHash>
00031 #include <QtCore/QStringList>
00032 #include <QtCore/QTimer>
00033 
00034 using namespace Akonadi;
00035 
00036 class Akonadi::CollectionFetchJobPrivate : public JobPrivate
00037 {
00038   public:
00039     CollectionFetchJobPrivate( CollectionFetchJob *parent )
00040       : JobPrivate( parent ),
00041         mUnsubscribed( false ),
00042         mStatistics( false )
00043     {
00044     }
00045 
00046     Q_DECLARE_PUBLIC( CollectionFetchJob )
00047 
00048     CollectionFetchJob::Type mType;
00049     Collection mBase;
00050     Collection::List mBaseList;
00051     Collection::List mCollections;
00052     QString mResource;
00053     Collection::List mPendingCollections;
00054     QTimer *mEmitTimer;
00055     bool mUnsubscribed;
00056     bool mStatistics;
00057 
00058     void timeout()
00059     {
00060       Q_Q( CollectionFetchJob );
00061 
00062       mEmitTimer->stop(); // in case we are called by result()
00063       if ( !mPendingCollections.isEmpty() ) {
00064         emit q->collectionsReceived( mPendingCollections );
00065         mPendingCollections.clear();
00066       }
00067     }
00068 };
00069 
00070 CollectionFetchJob::CollectionFetchJob( const Collection &collection, Type type, QObject *parent )
00071   : Job( new CollectionFetchJobPrivate( this ), parent )
00072 {
00073   Q_D( CollectionFetchJob );
00074 
00075   d->mBase = collection;
00076   d->mType = type;
00077 
00078   d->mEmitTimer = new QTimer( this );
00079   d->mEmitTimer->setSingleShot( true );
00080   d->mEmitTimer->setInterval( 100 );
00081   connect( d->mEmitTimer, SIGNAL(timeout()), this, SLOT(timeout()) );
00082   connect( this, SIGNAL(result(KJob*)), this, SLOT(timeout()) );
00083 }
00084 
00085 CollectionFetchJob::CollectionFetchJob( const Collection::List & cols, QObject * parent )
00086   : Job( new CollectionFetchJobPrivate( this ), parent )
00087 {
00088   Q_D( CollectionFetchJob );
00089 
00090   Q_ASSERT( !cols.isEmpty() );
00091   if ( cols.size() == 1 ) {
00092     d->mBase = cols.first();
00093     d->mType = CollectionFetchJob::Base;
00094   } else {
00095     d->mBaseList = cols;
00096   }
00097 
00098   d->mEmitTimer = new QTimer( this );
00099   d->mEmitTimer->setSingleShot( true );
00100   d->mEmitTimer->setInterval( 100 );
00101   connect( d->mEmitTimer, SIGNAL(timeout()), this, SLOT(timeout()) );
00102   connect( this, SIGNAL(result(KJob*)), this, SLOT(timeout()) );
00103 }
00104 
00105 CollectionFetchJob::~CollectionFetchJob()
00106 {
00107 }
00108 
00109 Collection::List CollectionFetchJob::collections() const
00110 {
00111   Q_D( const CollectionFetchJob );
00112 
00113   return d->mCollections;
00114 }
00115 
00116 void CollectionFetchJob::doStart()
00117 {
00118   Q_D( CollectionFetchJob );
00119 
00120   if ( !d->mBaseList.isEmpty() ) {
00121     foreach ( const Collection &col, d->mBaseList ) {
00122       new CollectionFetchJob( col, CollectionFetchJob::Base, this );
00123     }
00124     return;
00125   }
00126 
00127   if ( !d->mBase.isValid() && d->mBase.remoteId().isEmpty() ) {
00128     setError( Unknown );
00129     setErrorText( QLatin1String( "Invalid collection given." ) );
00130     emitResult();
00131     return;
00132   }
00133 
00134   QByteArray command = d->newTag();
00135   if ( !d->mBase.isValid() )
00136     command += " " AKONADI_CMD_RID;
00137   if ( d->mUnsubscribed )
00138     command += " X-AKLIST ";
00139   else
00140     command += " X-AKLSUB ";
00141   if ( d->mBase.isValid() )
00142     command += QByteArray::number( d->mBase.id() );
00143   else
00144     command += ImapParser::quote( d->mBase.remoteId().toUtf8() );
00145   command += ' ';
00146   switch ( d->mType ) {
00147     case Base:
00148       command += "0 (";
00149       break;
00150     case FirstLevel:
00151       command += "1 (";
00152       break;
00153     case Recursive:
00154       command += "INF (";
00155       break;
00156     default:
00157       Q_ASSERT( false );
00158   }
00159 
00160   if ( !d->mResource.isEmpty() ) {
00161     command += "RESOURCE \"";
00162     command += d->mResource.toUtf8();
00163     command += '"';
00164   }
00165 
00166   if ( d->mStatistics ) {
00167     command += ") (STATISTICS true";
00168   }
00169 
00170   command += ")\n";
00171   d->writeData( command );
00172 }
00173 
00174 void CollectionFetchJob::doHandleResponse( const QByteArray & tag, const QByteArray & data )
00175 {
00176   Q_D( CollectionFetchJob );
00177 
00178   if ( tag == "*" ) {
00179     Collection collection;
00180     ProtocolHelper::parseCollection( data, collection );
00181     if ( !collection.isValid() )
00182       return;
00183 
00184     collection.d_ptr->resetChangeLog();
00185     d->mCollections.append( collection );
00186     d->mPendingCollections.append( collection );
00187     if ( !d->mEmitTimer->isActive() )
00188       d->mEmitTimer->start();
00189     return;
00190   }
00191   kDebug( 5250 ) << "Unhandled server response" << tag << data;
00192 }
00193 
00194 void CollectionFetchJob::setResource(const QString & resource)
00195 {
00196   Q_D( CollectionFetchJob );
00197 
00198   d->mResource = resource;
00199 }
00200 
00201 void CollectionFetchJob::slotResult(KJob * job)
00202 {
00203   Q_D( CollectionFetchJob );
00204 
00205   CollectionFetchJob *list = dynamic_cast<CollectionFetchJob*>( job );
00206   Q_ASSERT( job );
00207   d->mCollections += list->collections();
00208   Job::slotResult( job );
00209   if ( !job->error() && !hasSubjobs() )
00210     emitResult();
00211 }
00212 
00213 void CollectionFetchJob::includeUnsubscribed(bool include)
00214 {
00215   Q_D( CollectionFetchJob );
00216 
00217   d->mUnsubscribed = include;
00218 }
00219 
00220 void CollectionFetchJob::includeStatistics(bool include)
00221 {
00222   Q_D( CollectionFetchJob );
00223 
00224   d->mStatistics = include;
00225 }
00226 
00227 #include "collectionfetchjob.moc"

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