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kdbusnotification/src/daemon/NotificationDaemon.cpp

127 lines
3.8 KiB

/*
* NotificationDaemon.cpp
*
* Copyright (C) 2021 Emanoil Kotsev <deloptes@gmail.com>
*
*
* This file is part of kdbusnotification.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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 <tqtimer.h>
#include <tqdbusmessage.h>
#include <tqdbuserror.h>
#include "NotificationDaemon.h"
#define NOTIFICATIONS_DBUS_PATH "/org/freedesktop/Notifications"
#define NOTIFICATIONS_DBUS_SRVC "org.freedesktop.Notifications"
#define DBUS_CONNECTION_TIMEOUT 4000
#define DBUS_CONNECTION_RETRY 3
NotificationDaemon::NotificationDaemon() : KUniqueApplication()
{
// TODO Auto-generated constructor stub
retryCount=0;
// init session connection to dbus
if (!initDBUS()) {
tqDebug("Failed to initialize the connection to DBus");
TQTimer::singleShot(DBUS_CONNECTION_TIMEOUT, this, TQT_SLOT(slotReconnect()));
retryCount++;
}
}
NotificationDaemon::~NotificationDaemon()
{
// close D-Bus connection
close();
delete notificationNodeService;
delete freedesktopService;
delete orgService;
delete rootService;
}
bool NotificationDaemon::isConnectedToDBUS(){
return mConnection.isConnected();
}
bool NotificationDaemon::initDBUS(){
mConnection = TQT_DBusConnection::addConnection(TQT_DBusConnection::SessionBus, NOTIFICATIONS_DBUS_SRVC);
if ( !mConnection.isConnected() ) {
tqDebug("Failed to open connection to system message bus: "
+ mConnection.lastError().message());
return false;
}
// try to get a specific service name
if (!mConnection.requestName(NOTIFICATIONS_DBUS_SRVC, TQT_DBusConnection::NoReplace))
return false;
mConnection.scheduleDispatch();
mConnection.connect(this, TQT_SLOT(slotDbusSignal(const TQT_DBusMessage&)));
TQTimer::singleShot(10, this, TQT_SLOT(slotConnectionCheck()));
return true;
}
void NotificationDaemon::close() {
if(mConnection.isConnected()) {
mConnection.disconnect(this, TQT_SLOT(slotDbusSignal(const TQT_DBusMessage&)));
mConnection.closeConnection(NOTIFICATIONS_DBUS_SRVC);
}
}
void NotificationDaemon::slotReconnect() {
close();
if (!initDBUS()) {
if (DBUS_CONNECTION_RETRY > retryCount) {
tqFatal("Failed to initialize the connection to DBus");
}
TQTimer::singleShot(DBUS_CONNECTION_TIMEOUT, this, TQT_SLOT(slotReconnect()));
retryCount++;
}
}
void NotificationDaemon::slotDbusSignal(const TQT_DBusMessage& message) {
if (message.interface() != TQString("org.freedesktop.DBus"))
return;
if (message.member() != TQString("NameAcquired"))
return;
tqDebug("Name acquired: " + message[0].toString());
serviceName = message[0].toString();
}
void NotificationDaemon::slotConnectionCheck() {
if (serviceName != NOTIFICATIONS_DBUS_SRVC) {
tqFatal("TDE Notification service already running or no unique name possible.");
}
rootService = new RootNodeService(mConnection);
orgService = new OrgNodeService(mConnection);
freedesktopService = new FreeDesktopNodeService(mConnection);
notificationNodeService = new NotificationsNodeService(mConnection);
tqDebug("TDE Notification service setup done.");
}
#include "NotificationDaemon.moc"