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akonadi

itemsearchjob.cpp
00001 /*
00002     Copyright (c) 2009 Tobias Koenig <tokoe@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 "itemsearchjob.h"
00021 
00022 #include "imapparser_p.h"
00023 #include "itemfetchscope.h"
00024 #include "job_p.h"
00025 #include "protocolhelper_p.h"
00026 
00027 #include <QtCore/QTimer>
00028 
00029 using namespace Akonadi;
00030 
00031 class Akonadi::ItemSearchJobPrivate : public JobPrivate
00032 {
00033   public:
00034     ItemSearchJobPrivate( ItemSearchJob *parent, const QString &query )
00035       : JobPrivate( parent ), mQuery( query )
00036     {
00037     }
00038 
00039     void timeout()
00040     {
00041       Q_Q( Akonadi::ItemSearchJob );
00042 
00043       mEmitTimer->stop(); // in case we are called by result()
00044       if ( !mPendingItems.isEmpty() ) {
00045         if ( !q->error() )
00046           emit q->itemsReceived( mPendingItems );
00047         mPendingItems.clear();
00048       }
00049     }
00050 
00051     Q_DECLARE_PUBLIC( ItemSearchJob )
00052 
00053     QString mQuery;
00054     Item::List mItems;
00055     ItemFetchScope mFetchScope;
00056     Item::List mPendingItems; // items pending for emitting itemsReceived()
00057     QTimer* mEmitTimer;
00058 };
00059 
00060 ItemSearchJob::ItemSearchJob( const QString & query, QObject * parent )
00061   : Job( new ItemSearchJobPrivate( this, query ), parent )
00062 {
00063   Q_D( ItemSearchJob );
00064 
00065   d->mEmitTimer = new QTimer( this );
00066   d->mEmitTimer->setSingleShot( true );
00067   d->mEmitTimer->setInterval( 100 );
00068   connect( d->mEmitTimer, SIGNAL(timeout()), this, SLOT(timeout()) );
00069   connect( this, SIGNAL(result(KJob*)), this, SLOT(timeout()) );
00070 }
00071 
00072 ItemSearchJob::~ItemSearchJob()
00073 {
00074 }
00075 
00076 void ItemSearchJob::setQuery( const QString &query )
00077 {
00078   Q_D( ItemSearchJob );
00079 
00080   d->mQuery = query;
00081 }
00082 
00083 void ItemSearchJob::setFetchScope( const ItemFetchScope &fetchScope )
00084 {
00085   Q_D( ItemSearchJob );
00086 
00087   d->mFetchScope = fetchScope;
00088 }
00089 
00090 ItemFetchScope &ItemSearchJob::fetchScope()
00091 {
00092   Q_D( ItemSearchJob );
00093 
00094   return d->mFetchScope;
00095 }
00096 
00097 void ItemSearchJob::doStart()
00098 {
00099   Q_D( ItemSearchJob );
00100 
00101   QByteArray command = d->newTag() + " SEARCH ";
00102   command += ImapParser::quote( d->mQuery.toUtf8() );
00103   command += ' ' + ProtocolHelper::itemFetchScopeToByteArray( d->mFetchScope );
00104   command += '\n';
00105   d->writeData( command );
00106 }
00107 
00108 void ItemSearchJob::doHandleResponse( const QByteArray & tag, const QByteArray & data )
00109 {
00110   Q_D( ItemSearchJob );
00111 
00112   if ( tag == "*" ) {
00113     int begin = data.indexOf( "SEARCH" );
00114     if ( begin >= 0 ) {
00115 
00116       // split fetch response into key/value pairs
00117       QList<QByteArray> fetchResponse;
00118       ImapParser::parseParenthesizedList( data, fetchResponse, begin + 7 );
00119 
00120       Item item;
00121       ProtocolHelper::parseItemFetchResult( fetchResponse, item );
00122       if ( !item.isValid() )
00123         return;
00124 
00125       d->mItems.append( item );
00126       d->mPendingItems.append( item );
00127       if ( !d->mEmitTimer->isActive() )
00128         d->mEmitTimer->start();
00129       return;
00130     }
00131   }
00132   kDebug() << "Unhandled response: " << tag << data;
00133 }
00134 
00135 Item::List ItemSearchJob::items() const
00136 {
00137   Q_D( const ItemSearchJob );
00138 
00139   return d->mItems;
00140 }
00141 
00142 QUrl ItemSearchJob::akonadiItemIdUri()
00143 {
00144   return QUrl( QLatin1String( "http://akonadi-project.org/ontologies/aneo#akonadiItemId" ) );
00145 }
00146 
00147 #include "itemsearchjob.moc"
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