workspace/powerdevil/daemon/AbstractSystemPoller.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Dario Freddi <drf@kdemod.ath.cx>                *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
  18  **************************************************************************/
  19
  20 #ifndef ABSTRACTSYSTEMPOLLER_H
  21 #define ABSTRACTSYSTEMPOLLER_H
  22
  23 #include <QWidget>
  24
  25 class AbstractSystemPoller : public QWidget
  26 {
  27     Q_OBJECT
  28
  29 public:
  30
  31     enum PollingType {
  32         Abstract = -1,
  33         WidgetBased = 1,
  34         XSyncBased = 2,
  35         TimerBased = 3
  36     };
  37
  38     AbstractSystemPoller(QObject *parent = 0);
  39     virtual ~AbstractSystemPoller();
  40
  41     virtual PollingType getPollingType() = 0;
  42     virtual QString name() = 0;
  43
  44     virtual bool isAvailable() = 0;
  45     virtual bool setUpPoller() = 0;
  46     virtual void unloadPoller() = 0;
  47
  48 public slots:
  49     virtual void setNextTimeout(int nextTimeout) = 0;
  50     virtual void forcePollRequest() = 0;
  51     virtual void stopCatchingTimeouts() = 0;
  52     virtual void catchIdleEvent() = 0;
  53     virtual void stopCatchingIdleEvents() = 0;
  54     virtual void simulateUserActivity();
  55
  56 signals:
  57     void resumingFromIdle();
  58     void pollRequest(int idleTime);
  59
  60 };
  61
  62 #endif /* ABSTRACTSYSTEMPOLLER_H */