workspace/powerdevil/daemon/SuspensionLockHandler.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Dario Freddi <drf@kdemod.ath.cx>                *
   3  *   Copyright (C) 2008 by Kevin Ottens <ervin@kde.org>                    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
  19  ***************************************************************************/
  20
  21 #ifndef SUSPENSIONLOCKHANDLER_H
  22 #define SUSPENSIONLOCKHANDLER_H
  23
  24 #include <QObject>
  25 #include <QMap>
  26
  27 class InhibitRequest
  28 {
  29 public:
  30     QString application;
  31     QString reason;
  32     int cookie;
  33 };
  34
  35 class SuspensionLockHandler : public QObject
  36 {
  37     Q_OBJECT
  38
  39 public:
  40     SuspensionLockHandler(QObject *parent = 0);
  41     virtual ~SuspensionLockHandler();
  42
  43 public slots:
  44     bool canStartSuspension(bool automated = false);
  45     bool canStartNotification(bool automated = false);
  46
  47     bool hasInhibit(bool notify = false);
  48
  49     bool setNotificationLock(bool automated = false);
  50     bool setJobLock(bool automated = false);
  51
  52     int inhibit(const QString &application, const QString &reason);
  53
  54     void releaseAllLocks();
  55     void releaseNotificationLock();
  56     void releaseAllInhibitions();
  57     void releaseInhibiton(int cookie);
  58
  59 signals:
  60     void streamCriticalNotification(const QString &evid, const QString &message,
  61                                     const char *slot, const QString &iconname);
  62     void inhibitChanged(bool changed);
  63
  64 private:
  65     bool m_isJobOngoing;
  66     bool m_isOnNotification;
  67
  68     int m_latestInhibitCookie;
  69     QMap<int, InhibitRequest> m_inhibitRequests;
  70 };
  71
  72 #endif /* SUSPENSIONLOCKHANDLER_H */