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// vim: set tabstop=4 shiftwidth=4 noexpandtab:
/*
Gwenview: an image viewer
Copyright 2009 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 "fileutils.h"
// Qt
#include <QFile>
#include <QFileInfo>
// KDE
#include <kdebug.h>
#include <kfileitem.h>
#include <kio/copyjob.h>
#include <kio/job.h>
#include <kio/jobclasses.h>
#include <kio/jobuidelegate.h>
#include <kio/netaccess.h>
#include <kurl.h>
namespace Gwenview {
namespace FileUtils {
bool contentsAreIdentical(const KUrl& url1, const KUrl& url2, QWidget* authWindow) {
// FIXME: Support remote urls
QFile file1(KIO::NetAccess::mostLocalUrl(url1, authWindow).toLocalFile());
if (!file1.open(QIODevice::ReadOnly)) {
// Can't read url1, assume it's different from url2
kWarning() << "Can't read" << url1;
return false;
}
QFile file2(KIO::NetAccess::mostLocalUrl(url2, authWindow).toLocalFile());
if (!file2.open(QIODevice::ReadOnly)) {
// Can't read url2, assume it's different from url1
kWarning() << "Can't read" << url2;
return false;
}
const int CHUNK_SIZE = 4096;
while (!file1.atEnd() && !file2.atEnd()) {
QByteArray url1Array = file1.read(CHUNK_SIZE);
QByteArray url2Array = file2.read(CHUNK_SIZE);
if (url1Array != url2Array) {
return false;
}
}
if (file1.atEnd() && file2.atEnd()) {
return true;
} else {
kWarning() << "One file ended before the other";
return false;
}
}
RenameResult rename(const KUrl& src, const KUrl& dst_, QWidget* authWindow) {
KUrl dst = dst_;
RenameResult result = RenamedOK;
int count = 1;
QFileInfo fileInfo(dst.fileName());
QString prefix = fileInfo.baseName() + '_';
QString suffix = '.' + fileInfo.completeSuffix();
// Get src size
KIO::UDSEntry udsEntry;
KIO::NetAccess::stat(dst, udsEntry, authWindow);
KFileItem item(udsEntry, src, true /* delayedMimeTypes */);
KIO::filesize_t srcSize = item.size();
// Find unique name
while (KIO::NetAccess::stat(dst, udsEntry, authWindow)) {
// File exists. If it's not the same, try to create a new name
item = KFileItem(udsEntry, dst, true /* delayedMimeTypes */);
KIO::filesize_t dstSize = item.size();
if (srcSize == dstSize && contentsAreIdentical(src, dst, authWindow)) {
// Already imported, skip it
KIO::Job* job = KIO::file_delete(src, KIO::HideProgressInfo);
if (job->ui()) {
job->ui()->setWindow(authWindow);
}
return Skipped;
}
result = RenamedUnderNewName;
dst.setFileName(prefix + QString::number(count) + suffix);
++count;
}
// Rename
KIO::Job* job = KIO::rename(src, dst, KIO::HideProgressInfo);
if (!KIO::NetAccess::synchronousRun(job, authWindow)) {
result = RenameFailed;
}
return result;
}
} // namespace
} // namespace
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