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/*
* Copyright (c) 2009 Volker Krause <vkrause@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "resourcesynchronizationjob.h"
#include "dbusconnectionpool.h"
#include "kjobprivatebase_p.h"
#include <akonadi/agentinstance.h>
#include <akonadi/agentmanager.h>
#include <KDebug>
#include <KLocale>
#include <QDBusConnection>
#include <QDBusInterface>
#include <QTimer>
namespace Akonadi
{
class ResourceSynchronizationJobPrivate : public KJobPrivateBase
{
public:
ResourceSynchronizationJobPrivate( ResourceSynchronizationJob* parent ) :
q( parent ),
interface( 0 ),
safetyTimer( 0 ),
timeoutCount( 0 ),
collectionTreeOnly( false )
{}
void doStart();
ResourceSynchronizationJob *q;
AgentInstance instance;
QDBusInterface* interface;
QTimer* safetyTimer;
int timeoutCount;
bool collectionTreeOnly;
static int timeoutCountLimit;
void slotSynchronized();
void slotTimeout();
};
int ResourceSynchronizationJobPrivate::timeoutCountLimit = 60;
ResourceSynchronizationJob::ResourceSynchronizationJob(const AgentInstance& instance, QObject* parent) :
KJob( parent ),
d( new ResourceSynchronizationJobPrivate( this ) )
{
d->instance = instance;
d->safetyTimer = new QTimer( this );
connect( d->safetyTimer, SIGNAL(timeout()), SLOT(slotTimeout()) );
d->safetyTimer->setInterval( 10 * 1000 );
d->safetyTimer->setSingleShot( false );
}
ResourceSynchronizationJob::~ResourceSynchronizationJob()
{
delete d;
}
void ResourceSynchronizationJob::start()
{
d->start();
}
bool ResourceSynchronizationJob::collectionTreeOnly() const
{
return d->collectionTreeOnly;
}
void ResourceSynchronizationJob::setCollectionTreeOnly( bool b )
{
d->collectionTreeOnly = b;
}
void ResourceSynchronizationJobPrivate::doStart()
{
if ( !instance.isValid() ) {
q->setError( KJob::UserDefinedError );
q->setErrorText( i18n( "Invalid resource instance." ) );
q->emitResult();
return;
}
interface = new QDBusInterface( QString::fromLatin1( "org.freedesktop.Akonadi.Resource.%1" ).arg( instance.identifier() ),
QString::fromLatin1( "/" ),
QString::fromLatin1( "org.freedesktop.Akonadi.Resource" ),
DBusConnectionPool::threadConnection(), this );
if ( collectionTreeOnly )
connect( interface, SIGNAL(collectionTreeSynchronized()), q, SLOT(slotSynchronized()) );
else
connect( interface, SIGNAL(synchronized()), q, SLOT(slotSynchronized()) );
if ( interface->isValid() ) {
if ( collectionTreeOnly )
instance.synchronizeCollectionTree();
else
instance.synchronize();
safetyTimer->start();
} else {
q->setError( KJob::UserDefinedError );
q->setErrorText( i18n( "Unable to obtain D-Bus interface for resource '%1'", instance.identifier() ) );
q->emitResult();
return;
}
}
void ResourceSynchronizationJobPrivate::slotSynchronized()
{
if ( collectionTreeOnly )
q->disconnect( interface, SIGNAL(collectionTreeSynchronized()), q, SLOT(slotSynchronized()) );
else
q->disconnect( interface, SIGNAL(synchronized()), q, SLOT(slotSynchronized()) );
safetyTimer->stop();
q->emitResult();
}
void ResourceSynchronizationJobPrivate::slotTimeout()
{
instance = AgentManager::self()->instance( instance.identifier() );
timeoutCount++;
if ( timeoutCount > timeoutCountLimit ) {
safetyTimer->stop();
q->setError( KJob::UserDefinedError );
q->setErrorText( i18n( "Resource synchronization timed out." ) );
q->emitResult();
return;
}
if ( instance.status() == AgentInstance::Idle ) {
// try again, we might have lost the synchronized()/synchronizedCollectionTree() signal
kDebug() << "trying again to sync resource" << instance.identifier();
if ( collectionTreeOnly )
instance.synchronizeCollectionTree();
else
instance.synchronize();
}
}
AgentInstance ResourceSynchronizationJob::resource() const
{
return d->instance;
}
}
#include "resourcesynchronizationjob.moc"
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