git.maemo.org Git - vicar/blob - src/vicar-lib/cpp/dbusutility.cpp

   1 /*
   2 @version: 0.7
   3 @author: Sudheer K. <scifi1947 at gmail.com>
   4 @license: GNU General Public License
   5 */
   6
   7 #include "dbusutility.h"
   8 #include <QDBusMessage>
   9 #include <QDebug>
  10
  11
  12 DbusUtility::DbusUtility(QObject *parent):
  13     QObject(parent),
  14     connection(QDBusConnection::systemBus()){
  15 }
  16
  17 //Destructor for Dbus Utility object.
  18 DbusUtility::~DbusUtility(){
  19     //this->connection.disconnectFromBus(this->connection.baseService());
  20     //qDebug() << "Disconnected from system bus";
  21 }
  22
  23 QDBusConnection DbusUtility::getConnection(bool systemBus){
  24     if (systemBus){
  25         if (!this->connection.isConnected()){
  26             qDebug() << "Not connected to Dbus";
  27         }
  28         return this->connection;
  29     }
  30     else{
  31         return QDBusConnection::sessionBus();
  32     }
  33 }
  34
  35 void DbusUtility::setConnection(QDBusConnection connection){
  36     this->connection = connection;
  37 }
  38
  39 //Utility method to send a dbus signal.
  40 bool DbusUtility::sendSignal(QString strPath,QString strInterface,QString strName,bool systemBus){
  41     QDBusMessage dbusSignal =  QDBusMessage::createSignal(strPath,strInterface,strName);
  42     QDBusConnection dbusConnection = getConnection(systemBus);
  43     bool status = dbusConnection.send(dbusSignal);
  44     return status;
  45 }
  46
  47 //Utility method to call a dbus method with parameters
  48 bool DbusUtility::sendMethodCall(QString strService,QString strPath,
  49                                  QString strInterface,QString strMethodName,
  50                                  QList<QVariant> & arguments,
  51                                  bool systemBus){
  52     QDBusMessage dbusMethodCall = QDBusMessage::createMethodCall(strService,strPath,strInterface,strMethodName);
  53     dbusMethodCall.setArguments(arguments);
  54     QDBusConnection dbusConnection = getConnection(systemBus);
  55     bool status = dbusConnection.send(dbusMethodCall);
  56     return status;
  57 }
  58
  59 //Utility method to display a notification (Orange sliding banner in Maemo) with custom message
  60 bool DbusUtility::displayNotification(QString strMessage){
  61     QList <QVariant> arguments;
  62     arguments.append(strMessage);
  63
  64     bool status = this->sendMethodCall(NOTIFICATION_SERVICE,
  65                                           NOTIFICATION_PATH,
  66                                           NOTIFICATION_INTERFACE,
  67                                           QString("SystemNoteInfoprint"),
  68                                           arguments);
  69     return status;
  70 }
  71
  72
  73 //Utility method to retrieve the last dbus error
  74 QString DbusUtility::getErrorMessage(){
  75     QString strErrorMessage;
  76     QDBusError dbusError = this->connection.lastError();
  77     if (dbusError.isValid()){
  78         strErrorMessage = qPrintable(dbusError.message());
  79     }
  80     return strErrorMessage;
  81 }