kde-playground/kdepimlibs/akonadi/invalidatecachejob.cpp
2015-04-14 21:49:29 +00:00

119 lines
3.3 KiB
C++

/*
Copyright (c) 2011 Volker Krause <vkrause@kde.org>
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 "invalidatecachejob_p.h"
#include "job_p.h"
#include "collectionfetchjob.h"
#include "itemfetchjob.h"
#include "itemmodifyjob.h"
#include <klocalizedstring.h>
using namespace Akonadi;
namespace Akonadi {
class InvalidateCacheJobPrivate : JobPrivate
{
public:
InvalidateCacheJobPrivate(InvalidateCacheJob *qq)
: JobPrivate(qq)
{
}
Collection collection;
void collectionFetchResult(KJob *job);
void itemFetchResult(KJob *job);
void itemStoreResult(KJob *job);
Q_DECLARE_PUBLIC(InvalidateCacheJob)
};
}
void InvalidateCacheJobPrivate::collectionFetchResult(KJob *job)
{
Q_Q(InvalidateCacheJob);
if (job->error()) {
return; // handled by KCompositeJob
}
CollectionFetchJob *fetchJob = qobject_cast<CollectionFetchJob *>(job);
Q_ASSERT(fetchJob);
if (fetchJob->collections().size() == 1) {
collection = fetchJob->collections().first();
}
if (!collection.isValid()) {
q->setError(Job::Unknown);
q->setErrorText(i18n("Invalid collection."));
q->emitResult();
return;
}
ItemFetchJob *itemFetch = new ItemFetchJob(collection, q);
QObject::connect(itemFetch, SIGNAL(result(KJob*)), q, SLOT(itemFetchResult(KJob*)));
}
void InvalidateCacheJobPrivate::itemFetchResult(KJob *job)
{
Q_Q(InvalidateCacheJob);
if (job->error()) {
return;
}
ItemFetchJob *fetchJob = qobject_cast<ItemFetchJob *>(job);
Q_ASSERT(fetchJob);
if (fetchJob->items().size() == 0) {
q->emitResult();
return;
}
ItemModifyJob *modJob = 0;
foreach (Item item, fetchJob->items()) { //krazy:exclude=foreach, item cannot be const
item.clearPayload();
modJob = new ItemModifyJob(item, q);
}
QObject::connect(modJob, SIGNAL(result(KJob*)), q, SLOT(itemStoreResult(KJob*)));
}
void InvalidateCacheJobPrivate::itemStoreResult(KJob *job)
{
Q_Q(InvalidateCacheJob);
if (job->error()) {
return;
}
q->emitResult();
}
InvalidateCacheJob::InvalidateCacheJob(const Collection &collection, QObject *parent)
: Job(new InvalidateCacheJobPrivate(this), parent)
{
Q_D(InvalidateCacheJob);
d->collection = collection;
}
void InvalidateCacheJob::doStart()
{
Q_D(InvalidateCacheJob);
// resolve RID-only collections
CollectionFetchJob *job = new CollectionFetchJob(d->collection, Akonadi::CollectionFetchJob::Base, this);
connect(job, SIGNAL(result(KJob*)), SLOT(collectionFetchResult(KJob*)));
}
#include "moc_invalidatecachejob_p.cpp"