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Diffstat (limited to 'src/gvcore/documentloadedimpl.cpp')
| -rw-r--r-- | src/gvcore/documentloadedimpl.cpp | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/gvcore/documentloadedimpl.cpp b/src/gvcore/documentloadedimpl.cpp new file mode 100644 index 0000000..1d9456a --- /dev/null +++ b/src/gvcore/documentloadedimpl.cpp @@ -0,0 +1,198 @@ +// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 |