kde-extraapps/gwenview/lib/document/documentjob.cpp
2015-02-27 11:02:43 +00:00

95 lines
2.2 KiB
C++

// vim: set tabstop=4 shiftwidth=4 expandtab:
/*
Gwenview: an image viewer
Copyright 2010 Aurélien Gâteau <agateau@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
*/
// Self
#include "documentjob.h"
// Qt
#include <QFuture>
#include <QFutureWatcher>
#include <QtConcurrentRun>
// KDE
#include <KApplication>
#include <KDebug>
#include <kdialogjobuidelegate.h>
#include <KLocale>
// Local
namespace Gwenview
{
struct DocumentJobPrivate
{
Document::Ptr mDoc;
};
DocumentJob::DocumentJob()
: KCompositeJob(0)
, d(new DocumentJobPrivate)
{
KDialogJobUiDelegate* delegate = new KDialogJobUiDelegate;
delegate->setWindow(KApplication::kApplication()->activeWindow());
delegate->setAutoErrorHandlingEnabled(true);
setUiDelegate(delegate);
}
DocumentJob::~DocumentJob()
{
delete d;
}
Document::Ptr DocumentJob::document() const
{
return d->mDoc;
}
void DocumentJob::setDocument(const Document::Ptr& doc)
{
d->mDoc = doc;
}
void DocumentJob::start()
{
QMetaObject::invokeMethod(this, "doStart", Qt::QueuedConnection);
}
bool DocumentJob::checkDocumentEditor()
{
if (!document()->editor()) {
setError(NoDocumentEditorError);
setErrorText(i18nc("@info", "Gwenview cannot edit this kind of image."));
return false;
}
return true;
}
void ThreadedDocumentJob::doStart()
{
QFuture<void> future = QtConcurrent::run(this, &ThreadedDocumentJob::threadedStart);
QFutureWatcher<void>* watcher = new QFutureWatcher<void>(this);
connect(watcher, SIGNAL(finished()), SLOT(emitResult()));
watcher->setFuture(future);
}
} // namespace
#include "moc_documentjob.cpp"