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153 lines
3.6 KiB
C++
153 lines
3.6 KiB
C++
// vim: set tabstop=4 shiftwidth=4 expandtab:
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/*
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Gwenview: an image viewer
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Copyright 2009 Aurélien Gâteau <agateau@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
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*/
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// Self
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#include "savejob.h"
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// Qt
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#include <QScopedPointer>
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// KDE
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#include <KApplication>
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#include <KIO/CopyJob>
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#include <KIO/JobUiDelegate>
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#include <KLocale>
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#include <KSaveFile>
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#include <KTemporaryFile>
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#include <KUrl>
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// Local
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#include "documentloadedimpl.h"
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namespace Gwenview
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{
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struct SaveJobPrivate
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{
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DocumentLoadedImpl* mImpl;
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KUrl mOldUrl;
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KUrl mNewUrl;
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QByteArray mFormat;
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QString mTemporaryFile;
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std::future<void> mFuture;
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QScopedPointer<VoidFuture> mSaveFuture;
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bool mKillReceived;
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};
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SaveJob::SaveJob(DocumentLoadedImpl* impl, const KUrl& url, const QByteArray& format)
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: d(new SaveJobPrivate)
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{
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d->mImpl = impl;
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d->mOldUrl = impl->document()->url();
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d->mNewUrl = url;
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d->mFormat = format;
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d->mFuture = std::async(std::launch::deferred, &SaveJob::saveInternal, this);
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d->mKillReceived = false;
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setCapabilities(Killable);
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}
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SaveJob::~SaveJob()
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{
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delete d;
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}
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void SaveJob::saveInternal()
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{
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if (!d->mImpl->saveInternal(d->mTemporaryFile, d->mFormat)) {
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QFile::remove(d->mTemporaryFile);
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setError(UserDefinedError + 2);
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setErrorText(d->mImpl->document()->errorString());
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}
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}
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void SaveJob::doStart()
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{
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if (d->mKillReceived) {
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return;
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}
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{
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QScopedPointer<KTemporaryFile> temporaryFile(new KTemporaryFile());
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temporaryFile->setAutoRemove(true);
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temporaryFile->setSuffix(QString::fromLatin1(".%1").arg(d->mFormat.constData()));
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if (!temporaryFile->open()) {
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KUrl dirUrl = d->mNewUrl;
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dirUrl.setFileName(QString());
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setError(UserDefinedError + 1);
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setErrorText(i18nc("@info", "Could not open file for writing, check that you have the necessary rights in <filename>%1</filename>.", dirUrl.pathOrUrl()));
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emitResult();
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return;
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}
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d->mTemporaryFile = temporaryFile->fileName();
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}
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d->mSaveFuture.reset(new VoidFuture(this, &d->mFuture));
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connect(d->mSaveFuture.data(), SIGNAL(finished()), SLOT(finishSave()));
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d->mSaveFuture->start();
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}
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void SaveJob::finishSave()
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{
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d->mSaveFuture.reset(nullptr);
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if (d->mKillReceived) {
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return;
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}
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if (error()) {
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emitResult();
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return;
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}
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// whether to overwite has already been asked for
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KIO::Job* job = KIO::move(KUrl::fromPath(d->mTemporaryFile), d->mNewUrl, KIO::Overwrite);
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job->ui()->setWindow(KApplication::kApplication()->activeWindow());
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addSubjob(job);
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}
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void SaveJob::slotResult(KJob* job)
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{
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DocumentJob::slotResult(job);
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if (!error()) {
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emitResult();
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}
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}
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KUrl SaveJob::oldUrl() const
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{
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return d->mOldUrl;
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}
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KUrl SaveJob::newUrl() const
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{
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return d->mNewUrl;
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}
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bool SaveJob::doKill()
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{
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d->mKillReceived = true;
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if (d->mSaveFuture) {
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d->mSaveFuture->wait();
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}
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return true;
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}
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} // namespace
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