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/* This file is part of the KDE project
Copyright (C) 2007, 2008 David Faure <faure@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 ) version 3 or, at the discretion of KDE e.V. ( which shall
act as a proxy as in section 14 of the GPLv3 ), 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; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "mimetypewriter.h"
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QMimeDatabase>
#include <QMimeType>
#include <QStandardPaths>
#include <QXmlStreamWriter>
#include <kprocess.h>
class MimeTypeWriterPrivate
{
public:
QString localFilePath() const;
QString m_mimeType;
QString m_comment;
QString m_iconName;
QStringList m_patterns;
QString m_marker;
};
MimeTypeWriter::MimeTypeWriter(const QString& mimeType)
: d(new MimeTypeWriterPrivate)
{
d->m_mimeType = mimeType;
Q_ASSERT(!mimeType.isEmpty());
}
MimeTypeWriter::~MimeTypeWriter()
{
delete d;
}
void MimeTypeWriter::setComment(const QString& comment)
{
d->m_comment = comment;
}
void MimeTypeWriter::setPatterns(const QStringList& patterns)
{
d->m_patterns = patterns;
}
void MimeTypeWriter::setIconName(const QString& iconName)
{
d->m_iconName = iconName;
}
void MimeTypeWriter::setMarker(const QString& marker)
{
d->m_marker = marker;
}
bool MimeTypeWriter::write()
{
const QString packageFileName = d->localFilePath();
qDebug() << "writing" << packageFileName;
QFile packageFile(packageFileName);
if (!packageFile.open(QIODevice::WriteOnly)) {
qCritical() << "Couldn't open" << packageFileName << "for writing";
return false;
}
QXmlStreamWriter writer(&packageFile);
writer.setAutoFormatting(true);
writer.writeStartDocument();
if (!d->m_marker.isEmpty()) {
writer.writeComment(d->m_marker);
}
const QString nsUri = QStringLiteral("http://www.freedesktop.org/standards/shared-mime-info");
writer.writeDefaultNamespace(nsUri);
writer.writeStartElement(QStringLiteral("mime-info"));
writer.writeStartElement(nsUri, QStringLiteral("mime-type"));
writer.writeAttribute(QStringLiteral("type"), d->m_mimeType);
if (!d->m_comment.isEmpty()) {
writer.writeStartElement(nsUri, QStringLiteral("comment"));
writer.writeCharacters(d->m_comment);
writer.writeEndElement(); // comment
}
if (!d->m_iconName.isEmpty()) {
// User-specified icon name
writer.writeStartElement(nsUri, QStringLiteral("icon"));
writer.writeAttribute(QStringLiteral("name"), d->m_iconName);
writer.writeEndElement(); // icon
}
// Allow this local definition to override the global definition
writer.writeStartElement(nsUri, QStringLiteral("glob-deleteall"));
writer.writeEndElement(); // glob-deleteall
foreach(const QString& pattern, d->m_patterns) {
writer.writeStartElement(nsUri, QStringLiteral("glob"));
writer.writeAttribute(QStringLiteral("pattern"), pattern);
writer.writeEndElement(); // glob
}
writer.writeEndElement(); // mime-info
writer.writeEndElement(); // mime-type
writer.writeEndDocument();
return true;
}
void MimeTypeWriter::runUpdateMimeDatabase()
{
const QString localPackageDir = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) + QLatin1String("/mime/");
Q_ASSERT(!localPackageDir.isEmpty());
KProcess proc;
proc << QStringLiteral("update-mime-database");
proc << localPackageDir;
const int exitCode = proc.execute();
if (exitCode) {
qWarning() << proc.program() << "exited with error code" << exitCode;
}
}
QString MimeTypeWriterPrivate::localFilePath() const
{
// XDG shared mime: we must write into a <kdehome>/share/mime/packages/ file...
// To simplify our job, let's use one "input" file per mimetype, in the user's dir.
// (this writes into $HOME/.local/share/mime by default)
//
// We could also use Override.xml, says the spec, but then we'd need to merge with other mimetypes,
// and in ~/.local we don't really expect other packages to be installed anyway...
QString baseName = m_mimeType;
baseName.replace(QLatin1Char('/'), QLatin1Char('-'));
QString packagesDirName = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) + QLatin1String("/mime/") + QStringLiteral("packages/");
// create the directory, the saving will fail if it doesn't exist (bug#356237)
QDir(packagesDirName).mkpath(QStringLiteral("."));
return packagesDirName + baseName + QStringLiteral(".xml");
}
static QString existingDefinitionFile(const QString& mimeType)
{
QString baseName = mimeType;
baseName.replace(QLatin1Char('/'), QLatin1Char('-'));
return QStandardPaths::locate(QStandardPaths::GenericDataLocation, QLatin1String("mime/") + QStringLiteral("packages/") + baseName + QStringLiteral(".xml") );
}
bool MimeTypeWriter::hasDefinitionFile(const QString& mimeType)
{
return !existingDefinitionFile(mimeType).isEmpty();
}
void MimeTypeWriter::removeOwnMimeType(const QString& mimeType)
{
const QString file = existingDefinitionFile(mimeType);
Q_ASSERT(!file.isEmpty());
QFile::remove(file);
// We must also remove the generated XML file, update-mime-database doesn't do that, for unknown media types
QString xmlFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QLatin1String("mime/") + mimeType + QStringLiteral(".xml") );
QFile::remove(xmlFile);
}
/// WARNING: this code is duplicated between apps/nsplugins and runtime/filetypes
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