All Classes Functions Properties
AccountsServiceDBusAdaptor.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/>.
*
* Author: Michael Terry <michael.terry@canonical.com>
*/
#include "AccountsServiceDBusAdaptor.h"
#include <QDBusConnection>
#include <QDBusConnectionInterface>
#include <QDBusMessage>
#include <QDBusVariant>
AccountsServiceDBusAdaptor::AccountsServiceDBusAdaptor(QObject* parent)
: QObject(parent),
m_accountsManager(NULL),
m_users()
{
QDBusConnection connection = QDBusConnection::SM_BUSNAME();
QDBusConnectionInterface *interface = connection.interface();
interface->startService("org.freedesktop.Accounts");
m_accountsManager = new QDBusInterface("org.freedesktop.Accounts",
"/org/freedesktop/Accounts",
"org.freedesktop.Accounts",
connection, this);
}
QVariant AccountsServiceDBusAdaptor::getUserProperty(const QString &user, const QString &interface, const QString &property)
{
QDBusInterface *iface = getUserInterface(user);
if (iface != nullptr && iface->isValid()) {
QDBusMessage answer = iface->call("Get", interface, property);
if (answer.type() == QDBusMessage::ReplyMessage) {
return answer.arguments()[0].value<QDBusVariant>().variant();
}
}
return QVariant();
}
void AccountsServiceDBusAdaptor::setUserProperty(const QString &user, const QString &interface, const QString &property, const QVariant &value)
{
QDBusInterface *iface = getUserInterface(user);
if (iface != nullptr && iface->isValid()) {
// The value needs to be carefully wrapped
iface->call("Set", interface, property, QVariant::fromValue(QDBusVariant(value)));
}
}
void AccountsServiceDBusAdaptor::propertiesChangedSlot(const QString &interface, const QVariantMap &changed, const QStringList &invalid)
{
// Merge changed and invalidated together
QStringList combined;
combined << invalid;
combined << changed.keys();
combined.removeDuplicates();
Q_EMIT propertiesChanged(getUserForPath(message().path()), interface, combined);
}
void AccountsServiceDBusAdaptor::maybeChangedSlot()
{
Q_EMIT maybeChanged(getUserForPath(message().path()));
}
QString AccountsServiceDBusAdaptor::getUserForPath(const QString &path)
{
QMap<QString, QDBusInterface *>::const_iterator i;
for (i = m_users.constBegin(); i != m_users.constEnd(); ++i) {
if (i.value()->path() == path) {
return i.key();
}
}
return QString();
}
QDBusInterface *AccountsServiceDBusAdaptor::getUserInterface(const QString &user)
{
QDBusInterface *iface = m_users.value(user);
if (iface == nullptr && m_accountsManager->isValid()) {
QDBusMessage answer = m_accountsManager->call("FindUserByName", user);
if (answer.type() == QDBusMessage::ReplyMessage) {
QString path = answer.arguments()[0].value<QDBusObjectPath>().path();
iface = new QDBusInterface("org.freedesktop.Accounts",
path,
"org.freedesktop.DBus.Properties",
m_accountsManager->connection(), this);
// With its own pre-defined properties, AccountsService is oddly
// close-lipped. It won't send out proper DBus.Properties notices,
// but it does have one catch-all Changed() signal. So let's
// listen to that.
iface->connection().connect(
iface->service(),
path,
"org.freedesktop.Accounts.User",
"Changed",
this,
SLOT(maybeChangedSlot()));
// But custom properties do send out the right notifications, so
// let's still listen there.
iface->connection().connect(
iface->service(),
path,
"org.freedesktop.DBus.Properties",
"PropertiesChanged",
this,
SLOT(propertiesChangedSlot(QString, QVariantMap, QStringList)));
m_users.insert(user, iface);
}
}
return iface;
}