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gwenview: save files to temporary files and then move them

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fixes saving in some cases

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2022-05-19 03:25:55 +03:00
parent 2088b65d44
commit 42e3ab6a4d
3 changed files with 23 additions and 38 deletions
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4
gwenview/lib/document/documentloadedimpl.cpp
View file

@ -79,9 +79,9 @@ Document::LoadingState DocumentLoadedImpl::loadingState() const
return Document::Loaded;
}
bool DocumentLoadedImpl::saveInternal(QIODevice* device, const QByteArray& format)
bool DocumentLoadedImpl::saveInternal(const QString& filePath, const QByteArray& format)
{
QImageWriter writer(device, format);
QImageWriter writer(filePath, format);
bool ok = writer.write(document()->image());
if (ok) {
setDocumentFormat(format);

2
gwenview/lib/document/documentloadedimpl.h
View file

@ -58,7 +58,7 @@ public:
//
protected:
virtual bool saveInternal(QIODevice* device, const QByteArray& format);
virtual bool saveInternal(const QString& filePath, const QByteArray& format);
// AbstractDocumentEditor
virtual void setImage(const QImage&);

55
gwenview/lib/document/savejob.cpp
View file

@ -48,8 +48,7 @@ struct SaveJobPrivate
KUrl mOldUrl;
KUrl mNewUrl;
QByteArray mFormat;
QScopedPointer<KTemporaryFile> mTemporaryFile;
QScopedPointer<KSaveFile> mSaveFile;
QString mTemporaryFile;
QScopedPointer<QFutureWatcher<void> > mInternalSaveWatcher;
bool mKillReceived;
@ -73,8 +72,8 @@ SaveJob::~SaveJob()
void SaveJob::saveInternal()
{
if (!d->mImpl->saveInternal(d->mSaveFile.data(), d->mFormat)) {
d->mSaveFile->abort();
if (!d->mImpl->saveInternal(d->mTemporaryFile, d->mFormat)) {
QFile::remove(d->mTemporaryFile);
setError(UserDefinedError + 2);
setErrorText(d->mImpl->document()->errorString());
}
@ -85,26 +84,21 @@ void SaveJob::doStart()
if (d->mKillReceived) {
return;
}
QString fileName;
if (d->mNewUrl.isLocalFile()) {
fileName = d->mNewUrl.toLocalFile();
} else {
d->mTemporaryFile.reset(new KTemporaryFile);
d->mTemporaryFile->setAutoRemove(true);
d->mTemporaryFile->open();
fileName = d->mTemporaryFile->fileName();
}
{
QScopedPointer<KTemporaryFile> temporaryFile(new KTemporaryFile());
temporaryFile->setAutoRemove(true);
temporaryFile->setSuffix(QString::fromLatin1(".%1").arg(d->mFormat.constData()));
d->mSaveFile.reset(new KSaveFile(fileName));
if (!d->mSaveFile->open()) {
KUrl dirUrl = d->mNewUrl;
dirUrl.setFileName(QString());
setError(UserDefinedError + 1);
setErrorText(i18nc("@info", "Could not open file for writing, check that you have the necessary rights in <filename>%1</filename>.", dirUrl.pathOrUrl()));
emitResult();
return;
if (!temporaryFile->open()) {
KUrl dirUrl = d->mNewUrl;
dirUrl.setFileName(QString());
setError(UserDefinedError + 1);
setErrorText(i18nc("@info", "Could not open file for writing, check that you have the necessary rights in <filename>%1</filename>.", dirUrl.pathOrUrl()));
emitResult();
return;
}
d->mTemporaryFile = temporaryFile->fileName();
}
QFuture<void> future = QtConcurrent::run(this, &SaveJob::saveInternal);
@ -125,19 +119,10 @@ void SaveJob::finishSave()
return;
}
if (!d->mSaveFile->finalize()) {
setErrorText(i18nc("@info", "Could not overwrite file, check that you have the necessary rights to write in <filename>%1</filename>.", d->mNewUrl.pathOrUrl()));
setError(UserDefinedError + 3);
return;
}
if (d->mNewUrl.isLocalFile()) {
emitResult();
} else {
KIO::Job* job = KIO::copy(KUrl::fromPath(d->mTemporaryFile->fileName()), d->mNewUrl);
job->ui()->setWindow(KApplication::kApplication()->activeWindow());
addSubjob(job);
}
// whether to overwite has already been asked for
KIO::Job* job = KIO::move(KUrl::fromPath(d->mTemporaryFile), d->mNewUrl, KIO::Overwrite);
job->ui()->setWindow(KApplication::kApplication()->activeWindow());
addSubjob(job);
}
void SaveJob::slotResult(KJob* job)