workspace/plasma/dataengines/nowplaying/nowplayingengine.h

   1 /*
   2  *   Copyright 2007 Alex Merry <alex.merry@kdemail.net>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License version 2 as
   6  *   published by the Free Software Foundation
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details
  12  *
  13  *   You should have received a copy of the GNU Library General Public
  14  *   License along with this program; if not, write to the
  15  *   Free Software Foundation, Inc.,
  16  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 #ifndef NOWPLAYINGENGINE_H
  20 #define NOWPLAYINGENGINE_H
  21
  22 #include <Plasma/DataEngine>
  23
  24 #include <QMap>
  25 #include <QString>
  26
  27 #include "playerinterface/player.h"
  28
  29 class DBusWatcher;
  30 class PollingWatcher;
  31 class PlayerControl;
  32
  33 /**
  34  * The Now Playing data engine.
  35  *
  36  * Use plasmaengineexplorer and request the "help" source for more info.
  37  */
  38 class NowPlayingEngine : public Plasma::DataEngine
  39 {
  40     Q_OBJECT
  41
  42 public:
  43     NowPlayingEngine(QObject* parent, const QVariantList& args);
  44     Plasma::Service* serviceForSource(const QString& source);
  45
  46 protected:
  47     bool sourceRequestEvent(const QString &source);
  48     bool updateSourceEvent(const QString& source);
  49
  50 private slots:
  51     void addPlayer(Player::Ptr player);
  52     void removePlayer(Player::Ptr player);
  53
  54 private:
  55     DBusWatcher* dbusWatcher;
  56     PollingWatcher* pollingWatcher;
  57 };
  58
  59 K_EXPORT_PLASMA_DATAENGINE(nowplaying, NowPlayingEngine)
  60
  61 #endif // NOWPLAYINGENGINE_H