kde-playground/kdepim/messagecomposer/job/contentjobbase.cpp
2015-04-14 21:49:29 +00:00

134 lines
3.4 KiB
C++

/*
Copyright (c) 2009 Constantin Berzan <exit3219@gmail.com>
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., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#include "contentjobbase.h"
#include "contentjobbase_p.h"
#include <QTimer>
#include <KDebug>
#include <KLocalizedString>
#include <kmime/kmime_content.h>
using namespace MessageComposer;
void ContentJobBasePrivate::init( QObject *parent )
{
Q_Q( ContentJobBase );
ContentJobBase *parentJob = dynamic_cast<ContentJobBase*>( parent );
if( parentJob ) {
parentJob->appendSubjob( q );
}
}
void ContentJobBasePrivate::doNextSubjob()
{
Q_Q( ContentJobBase );
if( q->hasSubjobs() ) {
q->subjobs().first()->start();
} else {
kDebug() << "Calling process.";
q->process();
}
}
ContentJobBase::ContentJobBase( QObject *parent )
: JobBase( *new ContentJobBasePrivate( this ), parent )
{
Q_D( ContentJobBase );
d->init( parent );
}
ContentJobBase::ContentJobBase( ContentJobBasePrivate &dd, QObject *parent )
: JobBase( dd, parent )
{
Q_D( ContentJobBase );
d->init( parent );
}
ContentJobBase::~ContentJobBase()
{
}
void ContentJobBase::start()
{
doStart();
}
KMime::Content *ContentJobBase::content() const
{
Q_D( const ContentJobBase );
//Q_ASSERT( !hasSubjobs() ); // Finished. // JobBase::hasSubjobs is not const :-/ TODO const_cast??
Q_ASSERT( d->resultContent ); // process() should do something.
return d->resultContent;
}
bool ContentJobBase::appendSubjob( ContentJobBase *job )
{
job->setParent( this );
return KCompositeJob::addSubjob( job );
}
void ContentJobBase::setExtraContent( KMime::Content* extra )
{
Q_D( ContentJobBase );
d->extraContent = extra;
}
KMime::Content* ContentJobBase::extraContent() const {
Q_D( const ContentJobBase );
return d->extraContent;
}
bool ContentJobBase::addSubjob( KJob *job )
{
Q_UNUSED( job );
kError() << "Use appendJob() instead.";
Q_ASSERT( false );
return false;
}
void ContentJobBase::doStart()
{
Q_D( ContentJobBase );
Q_ASSERT( d->resultContent == 0 && d->subjobContents.isEmpty() ); // Not started.
Q_ASSERT( !error() ); // Jobs emitting an error in doStart should not call ContentJobBase::doStart().
d->doNextSubjob();
}
void ContentJobBase::slotResult( KJob *job )
{
Q_D( ContentJobBase );
KCompositeJob::slotResult( job ); // Handles errors and removes subjob.
kDebug() << "A subjob finished." << subjobs().count() << "more to go.";
if( error() ) {
return;
}
Q_ASSERT( dynamic_cast<ContentJobBase*>( job ) );
ContentJobBase *cjob = static_cast<ContentJobBase*>( job );
d->subjobContents.append( cjob->content() );
d->doNextSubjob();
}