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/**************************************************************************
**
** This file is part of Qt SDK**
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).*
**
** Contact: Nokia Corporation qt-info@nokia.com**
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception version
** 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you are unsure which license is appropriate for your use, please contact
** (qt-info@nokia.com).
**
**************************************************************************/
#include "registerfiletypeoperation.h"
#include "qsettingswrapper.h"
using namespace QInstaller;
RegisterFileTypeOperation::RegisterFileTypeOperation()
{
setName(QLatin1String("RegisterFileType"));
}
void RegisterFileTypeOperation::backup()
{
}
bool RegisterFileTypeOperation::performOperation()
{
// extension
// command
// (description)
// (content type)
// (icon)
#ifdef Q_WS_WIN
const QStringList args = arguments();
if (args.count() < 2 || args.count() > 5) {
setError(InvalidArguments);
setErrorString(tr("Invalid arguments in %0").arg(name()));
return false;
}
const QString extension = args.at(0);
const QString command = args.at(1);
const QString description = args.value(2); // optional
const QString contentType = args.value(3); // optional
const QString icon = args.value(4); // optional
const QString className = QString::fromLatin1("%1_auto_file").arg(extension);
const QString settingsPrefix = QString::fromLatin1("Software/Classes/");
//QSettingsWrapper settings(QLatin1String("HKEY_CLASSES_ROOT"), QSettingsWrapper::NativeFormat);
QSettingsWrapper settings(QLatin1String("HKEY_CURRENT_USER"), QSettingsWrapper::NativeFormat);
// first backup the old values
setValue(QLatin1String("oldClass"), settings.value(QString::fromLatin1("%1.%2/Default").arg(settingsPrefix,
extension)));
setValue(QLatin1String("oldContentType"), settings.value(QString::fromLatin1("%1.%2/Content Type")
.arg(settingsPrefix, extension)));
// the file extension was not yet registered. Let's do so now
settings.setValue(QString::fromLatin1("%1.%2/Default").arg(settingsPrefix, extension), className);
// register the content type, if given
if (!contentType.isEmpty())
settings.setValue(QString::fromLatin1("%1.%2/Content Type").arg(settingsPrefix, extension), contentType);
setValue(QLatin1String("className"), className);
// register the description, if given
if (!description.isEmpty())
settings.setValue(QString::fromLatin1("%1%2/Default").arg(settingsPrefix, className), description);
// register the icon, if given
if (!icon.isEmpty()) {
settings.setValue(QString::fromLatin1("%1%2/DefaultIcon/Default").arg(settingsPrefix,
className), icon);
}
// register the command to open the file
settings.setValue(QString::fromLatin1("%1%2/shell/Open/Command/Default").arg(settingsPrefix,
className), command);
return true;
#else
setError(UserDefinedError);
setErrorString(QObject::tr("Registering file types in only supported on Windows."));
return false;
#endif
}
bool RegisterFileTypeOperation::undoOperation()
{
// extension
// command
// (description)
// (content type)
// (icon)
#ifdef Q_WS_WIN
const QStringList args = arguments();
if (args.count() < 2 || args.count() > 5) {
setErrorString(tr("Register File Type: Invalid arguments"));
return false;
}
const QString extension = args.at(0);
const QString command = args.at(1);
const QString description = args.value(2); // optional
const QString contentType = args.value(3); // optional
const QString icon = args.value(4); // optional
const QString className = QString::fromLatin1("%1_auto_file").arg(extension);
const QString classes = QString::fromLatin1("Software/Classes/%1").arg(className);
const QString extensions = QString::fromLatin1("Software/Classes/.%1").arg(extension);
QSettingsWrapper settings(QLatin1String("HKEY_CURRENT_USER"), QSettingsWrapper::NativeFormat);
const QString restoredClassName = value(QLatin1String("oldClassName")).toString();
// register the command to open the file
if (settings.value(QString::fromLatin1("%1/shell/Open/Command/Default").arg(classes)).toString() != command)
return false;
if (settings.value(QString::fromLatin1("%1/DefaultIcon/Default").arg(classes)).toString() != icon)
return false;
if (settings.value(QString::fromLatin1("%1/Default").arg(classes)).toString() != description)
return false;
if (settings.value(QString::fromLatin1("%1/Content Type").arg(extensions)).toString() != contentType)
return false;
if (settings.value(QString::fromLatin1("%1/Default").arg(extensions)).toString() != className)
return false;
const QLatin1String settingsPrefix("Software/Classes/");
const QVariant oldCommand = value(QLatin1String("oldCommand"));
if (!oldCommand.isNull()) {
settings.setValue(QString::fromLatin1("%1%2/shell/Open/Command/Default").arg(settingsPrefix,
restoredClassName), oldCommand);
} else {
settings.remove(QString::fromLatin1("%1/shell/Open/Command/Default").arg(classes));
}
// register the icon, if given
const QVariant oldIcon = value(QLatin1String("oldIcon"));
if (!oldIcon.isNull()) {
settings.setValue(QString::fromLatin1("%1%2/DefaultIcon/Default").arg(settingsPrefix,
restoredClassName), oldIcon);
} else {
settings.remove(QString::fromLatin1("%1%2/DefaultIcon/Default").arg(classes));
}
// register the description, if given
const QVariant oldDescription = value(QLatin1String("oldDescription"));
if (!oldDescription.isNull()) {
settings.setValue(QString::fromLatin1("%1%2/Default").arg(settingsPrefix, restoredClassName),
oldDescription);
} else {
settings.remove(QString::fromLatin1("%1%2/Default").arg(classes));
}
// content type
settings.remove(classes);
const QVariant oldContentType = value(QLatin1String("oldContentType"));
if(!oldContentType.isNull())
settings.setValue(QString::fromLatin1("%1/Content Type").arg(extensions), oldContentType);
else
settings.remove(QString::fromLatin1("%1/Content Type").arg(extensions));
// class
const QVariant oldClass = value(QLatin1String("oldClass"));
if(!oldClass.isNull())
settings.setValue(QString::fromLatin1("%1/Default").arg(extensions), oldClass);
else
settings.remove(extensions);
return true;
#else
setErrorString(QObject::tr("Registering file types in only supported on Windows."));
return false;
#endif
}
bool RegisterFileTypeOperation::testOperation()
{
return true;
}
Operation *RegisterFileTypeOperation::clone() const
{
return new RegisterFileTypeOperation();
}
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