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Diffstat (limited to 'libkcddb/asynchttplookup.cpp')
-rw-r--r-- | libkcddb/asynchttplookup.cpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/libkcddb/asynchttplookup.cpp b/libkcddb/asynchttplookup.cpp new file mode 100644 index 00000000..a183b3d5 --- /dev/null +++ b/libkcddb/asynchttplookup.cpp @@ -0,0 +1,159 @@ +/* + Copyright (C) 2002 Rik Hemsley (rikkus) <rik@kde.org> + Copyright (C) 2002 Benjamin Meyer <ben-devel@meyerhome.net> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include <qstringlist.h> +#include <qapplication.h> + +#include <kdebug.h> +#include <kio/job.h> + +#include "asynchttplookup.h" + +namespace KCDDB +{ + AsyncHTTPLookup::AsyncHTTPLookup() + : HTTPLookup() + { + block_ = false; + } + + AsyncHTTPLookup::~AsyncHTTPLookup() + { + // Empty. + } + + CDDB::Result + AsyncHTTPLookup::lookup + ( + const QString & hostName, + uint port, + const TrackOffsetList & trackOffsetList + ) + { + if ( trackOffsetList.count() < 3 ) + return UnknownError; + + trackOffsetList_ = trackOffsetList; + + connect( this, SIGNAL( queryReady() ), SLOT( slotQueryReady() ) ); + connect( this, SIGNAL( readReady() ), SLOT( requestCDInfoForMatch() ) ); + + initURL( hostName, port ); + + // Run a query. + result_ = runQuery(); + + return result_; + } + + CDDB::Result + AsyncHTTPLookup::runQuery() + { + data_ = QByteArray(); + state_ = WaitingForQueryResponse; + + result_ = sendQuery(); + + return result_; + } + + void + AsyncHTTPLookup::slotQueryReady() + { + kdDebug(60010) << "Matches Found: " << matchList_.count() << endl; + + if ( Success != result_ ) + { + emit finished( result_ ); + return; + } + + requestCDInfoForMatch(); + } + + void + AsyncHTTPLookup::requestCDInfoForMatch() + { + if ( matchList_.isEmpty() ) + { + result_ = cdInfoList_.isEmpty()? NoRecordFound : Success; + emit finished( result_ ); + return; + } + + CDDBMatch match = matchList_.first(); + matchList_.remove( match ); + + data_ = QByteArray(); + state_ = WaitingForReadResponse; + + result_ = sendRead( match ); + + if ( Success != result_ ) + emit finished( result_ ); + } + + void + AsyncHTTPLookup::slotData( KIO::Job *, const QByteArray &data ) + { + if (data.size() > 0) + { + QDataStream stream(data_, IO_WriteOnly | IO_Append); + stream.writeRawBytes(data.data(), data.size()); + } + } + + void + AsyncHTTPLookup::slotResult( KIO::Job *job ) + { + if ( 0 != job->error() ) + { + result_ = ServerError; + if ( !block_ ) + emit queryReady(); + return; + } + + jobFinished(); + } + + CDDB::Result + AsyncHTTPLookup::fetchURL() + { + kdDebug(60010) << "About to fetch: " << cgiURL_.url() << endl; + + KIO::TransferJob* job = KIO::get( cgiURL_, false, false ); + + if ( 0 == job ) + return ServerError; + + connect( job, SIGNAL( data( KIO::Job *, const QByteArray & ) ), + SLOT( slotData( KIO::Job *, const QByteArray & ) ) ); + connect( job, SIGNAL( result( KIO::Job * ) ), + SLOT( slotResult( KIO::Job * ) ) ); + + return Success; + } + +} + +#include "asynchttplookup.moc" + +// vim:tabstop=2:shiftwidth=2:expandtab:cinoptions=(s,U1,m1 |