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pollingwatcher.h

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00001 /*
00002  * Copyright 2008  Alex Merry <alex.merry@kdemail.net>
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Lesser General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public
00015  * License along with this program.  If not, see <http://www.gnu.org/licenses/>.
00016  */
00017 #ifndef POLLINGWATCHER_H
00018 #define POLLINGWATCHER_H
00019 
00020 
00021 #include <QObject>
00022 #include <QSet>
00023 #include <QString>
00024 
00025 #include "player.h"
00026 
00027 class QTimer;
00028 
00029 class PollingPlayerFactory;
00030 
00031 class PollingWatcher : public QObject
00032 {
00033     Q_OBJECT
00034 
00035 public:
00036     PollingWatcher(QObject* parent = 0);
00037 
00038     QList<Player::Ptr> players();
00039 
00045     void addFactory(PollingPlayerFactory* factory);
00046 
00047 Q_SIGNALS:
00051     void newPlayer(Player::Ptr player);
00057     void playerDisappeared(Player::Ptr player);
00058 
00059 private Q_SLOTS:
00060     void checkPlayers();
00061 
00062 private:
00063     // the factories we are waiting for player to appear on
00064     QSet<PollingPlayerFactory*> m_polledFactories;
00065     // the factories we have a player for
00066     QSet<PollingPlayerFactory*> m_usedFactories;
00067     QSet<Player::Ptr> m_players;
00068     QTimer* m_timer;
00069 };
00070 
00071 #endif // POLLINGWATCHER_H

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