All Classes Functions Properties
DBusGreeterList.cpp
/*
* Copyright (C) 2013 Canonical, Ltd.
*
* 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; version 3.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "DBusGreeterList.h"
#include "Greeter.h"
#include <QDBusMessage>
#include <QStringList>
DBusGreeterList::DBusGreeterList(Greeter *greeter, const QDBusConnection &connection, const QString &path)
: QObject(greeter),
m_greeter(greeter),
m_connection(connection),
m_path(path)
{
connect(m_greeter, SIGNAL(authenticationUserChanged(const QString &)), this, SLOT(authenticationUserChangedHandler(const QString &)));
connect(m_greeter, SIGNAL(promptlessChanged()), this, SLOT(promptlessChangedHandler()));
}
QString DBusGreeterList::GetActiveEntry() const
{
return m_greeter->authenticationUser();
}
void DBusGreeterList::SetActiveEntry(const QString &entry)
{
Q_EMIT m_greeter->requestAuthenticationUser(entry);
}
bool DBusGreeterList::entryIsLocked() const
{
return !m_greeter->promptless();
}
void DBusGreeterList::authenticationUserChangedHandler(const QString &user)
{
notifyPropertyChanged("ActiveEntry", user);
Q_EMIT EntrySelected(user);
}
void DBusGreeterList::promptlessChangedHandler()
{
notifyPropertyChanged("EntryIsLocked", entryIsLocked());
Q_EMIT entryIsLockedChanged();
}
// Manually emit a PropertiesChanged signal over DBus, because QtDBus
// doesn't do it for us on Q_PROPERTIES, oddly enough.
void DBusGreeterList::notifyPropertyChanged(const QString& propertyName, const QVariant &value)
{
QDBusMessage message;
QVariantMap changedProps;
changedProps.insert(propertyName, value);
message = QDBusMessage::createSignal(m_path,
"org.freedesktop.DBus.Properties",
"PropertiesChanged");
message << "com.canonical.UnityGreeter.List";
message << changedProps;
message << QStringList();
m_connection.send(message);
}