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// vim: set tabstop=4 shiftwidth=4 noexpandtab:
/*
Gwenview - A simple image viewer for KDE
Copyright 2000-2004 Aurélien Gâteau
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, Boston, MA 02110-1301, USA.
*/
#include "documentloadedimpl.moc"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
// Qt
#include <qdir.h>
#include <qfileinfo.h>
#include <qtimer.h>
// KDE
#include <kapplication.h>
#include <kdebug.h>
#include <kio/netaccess.h>
#include <klargefile.h>
#include <klocale.h>
#include <ktempfile.h>
// Local
#include "imageutils/imageutils.h"
namespace Gwenview {
#undef ENABLE_LOG
#undef LOG
//#define ENABLE_LOG
#ifdef ENABLE_LOG
#define LOG(x) kdDebug() << k_funcinfo << x << endl
#else
#define LOG(x) ;
#endif
class DocumentLoadedImplPrivate {
int mSize;
QDateTime mModified;
};
DocumentLoadedImpl::DocumentLoadedImpl(Document* document)
: DocumentImpl(document) {
LOG("");
}
void DocumentLoadedImpl::init() {
emit finished(true);
}
DocumentLoadedImpl::~DocumentLoadedImpl() {
}
void DocumentLoadedImpl::transform(ImageUtils::Orientation orientation) {
setImage(ImageUtils::transform(mDocument->image(), orientation));
emitImageRectUpdated();
}
QString DocumentLoadedImpl::save(const KURL& _url, const QCString& format) const {
if (!QImageIO::outputFormats().contains(format)) {
return i18n("Gwenview cannot write files in this format.");
}
QString msg;
KURL url(_url);
// Use the umask to determine default mode (will be used if the dest file
// does not exist)
int _umask=umask(0);
umask(_umask);
mode_t mode=0666 & ~_umask;
if (url.isLocalFile()) {
// If the file is a link, dereference it but take care of circular
// links
QFileInfo info(url.path());
if (info.isSymLink()) {
QStringList links;
while (info.isSymLink()) {
links.append(info.filePath());
QString path=info.readLink();
if (path[0]!='/') {
path=info.dirPath(true) + '/' + path;
}
path=QDir::cleanDirPath(path);
if (links.contains(path)) {
return i18n("This is a circular link.");
}
info.setFile(path);
}
url.setPath(info.filePath());
}
// Make some quick tests on the file if it is local
if (info.exists() && ! info.isWritable()) {
return i18n("This file is read-only.");
}
if (info.exists()) {
// Get current file mode
KDE_struct_stat st;
if (KDE_stat(QFile::encodeName(info.filePath()), &st)==0) {
mode=st.st_mode & 07777;
} else {
// This should not happen
kdWarning() << "Could not stat " << info.filePath() << endl;
}
} else {
QFileInfo parent=QFileInfo(info.dirPath());
if (!parent.isWritable()) {
return
i18n("The %1 folder is read-only.")
.arg(parent.filePath());
}
}
}
// Save the file to a tmp file
QString prefix;
if (url.isLocalFile()) {
// We set the prefix to url.path() so that the temp file is on the
// same partition as the destination file. If we don't do this, rename
// will fail
prefix=url.path();
}
KTempFile tmp(prefix, "gwenview", mode);
tmp.setAutoDelete(true);
if (tmp.status()!=0) {
QString reason( strerror(tmp.status()) );
return i18n("Could not create a temporary file.\nReason: %1.")
.arg(reason);
}
QFile* file=tmp.file();
msg=localSave(file, format);
if (!msg.isNull()) return msg;
file->close();
if (tmp.status()!=0) {
QString reason( strerror(tmp.status()) );
return i18n("Saving image to a temporary file failed.\nReason: %1.")
.arg(reason);
}
QString tmpName=tmp.name();
int tmpSize=QFileInfo(tmpName).size();
setFileSize(tmpSize);
// Move the tmp file to the final dest
if (url.isLocalFile()) {
if( ::rename( QFile::encodeName(tmpName), QFile::encodeName( url.path())) < 0 ) {
return i18n("Could not write to %1.").arg(url.path());
}
} else {
if (!KIO::NetAccess::upload(tmp.name(), url, KApplication::kApplication()->mainWidget() )) {
return i18n("Could not upload the file to %1.").arg(url.prettyURL());
}
}
return QString::null;
}
QString DocumentLoadedImpl::localSave(QFile* file, const QCString& format) const {
QImageIO iio(file, format);
iio.setImage(mDocument->image());
if (!iio.write()) {
return
i18n("An error happened while saving.");
}
return QString::null;
}
} // namespace
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