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tdepim/kalarm/daemon.h

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5.7 KiB

/*
* daemon.h - interface with alarm daemon
* Program: kalarm
* Copyright © 2001-2007 by David Jarvie <software@astrojar.org.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef DAEMON_H
#define DAEMON_H
#include <tqobject.h>
#include <tqdatetime.h>
#include <kaction.h>
#include <kalarmd/kalarmd.h>
#include <kalarmd/alarmguiiface.h>
class KActionCollection;
class AlarmCalendar;
class AlarmEnableAction;
class NotificationHandler;
class Daemon : public QObject
{
Q_OBJECT
public:
static void initialise();
static void createDcopHandler();
static bool isDcopHandlerReady() { return mDcopHandler; }
static AlarmEnableAction* createAlarmEnableAction(KActionCollection*, const char* name);
static bool start();
static bool reregister() { return registerWith(true); }
static bool reset();
static bool stop();
static bool autoStart();
static void enableAutoStart(bool enable);
static void notifyTimeChanged();
static void setAlarmsEnabled() { mInstance->setAlarmsEnabled(true); }
static void checkStatus() { checkIfRunning(); }
static bool monitoringAlarms();
static bool isRunning(bool startDaemon = true);
static int maxTimeSinceCheck();
static bool isRegistered() { return mStatus == REGISTERED; }
static void allowRegisterFailMsg() { mRegisterFailMsg = false; }
static void queueEvent(const TQString& eventID);
static void savingEvent(const TQString& eventID);
static void eventHandled(const TQString& eventID, bool reloadCal);
signals:
void daemonRunning(bool running);
private slots:
void slotCalendarSaved(AlarmCalendar*);
void checkIfStarted();
void slotStarted() { updateRegisteredStatus(true); }
void registerTimerExpired() { registrationResult((mStatus == REGISTERED), KAlarmd::FAILURE); }
void setAlarmsEnabled(bool enable);
void timerCheckIfRunning();
void slotPreferencesChanged();
private:
enum Status // daemon status. KEEP IN THIS ORDER!!
{
STOPPED, // daemon is not registered with DCOP
RUNNING, // daemon is newly registered with DCOP
READY, // daemon is ready to accept DCOP calls
REGISTERED // we have registered with the daemon
};
Daemon() { }
static bool registerWith(bool reregister);
static void registrationResult(bool reregister, int result, int version = 0);
static void reload();
static void notifyEventHandled(const TQString& eventID, bool reloadCal);
static void updateRegisteredStatus(bool timeout = false);
static void enableCalendar(bool enable);
static void calendarIsEnabled(bool enabled);
static bool checkIfRunning();
static void setFastCheck();
static Daemon* mInstance; // only one instance allowed
static NotificationHandler* mDcopHandler; // handles DCOP requests from daemon
static TQValueList<TQString> mQueuedEvents; // IDs of pending events that daemon has triggered
static TQValueList<TQString> mSavingEvents; // IDs of updated events that are currently being saved
static TQTimer* mStartTimer; // timer to check daemon status after starting daemon
static TQTimer* mRegisterTimer; // timer to check whether daemon has sent registration status
static TQTimer* mStatusTimer; // timer for checking daemon status
static int mStatusTimerCount; // countdown for fast status checking
static int mStatusTimerInterval; // timer interval (seconds) for checking daemon status
static int mStartTimeout; // remaining number of times to check if alarm daemon has started
static Status mStatus; // daemon status
static bool mRunning; // whether the alarm daemon is currently running
static bool mCalendarDisabled; // monitoring of calendar is currently disabled by daemon
static bool mEnableCalPending; // waiting to tell daemon to enable calendar
static bool mRegisterFailMsg; // true if registration failure message has been displayed
friend class NotificationHandler;
};
/*=============================================================================
= Class: AlarmEnableAction
=============================================================================*/
class AlarmEnableAction : public KToggleAction
{
Q_OBJECT
public:
AlarmEnableAction(int accel, TQObject* parent, const char* name = 0);
public slots:
void setCheckedActual(bool); // set state and emit switched() signal
virtual void setChecked(bool); // request state change and emit userClicked() signal
signals:
void switched(bool); // state has changed (KToggleAction::toggled() is only emitted when clicked by user)
void userClicked(bool); // user has clicked the control (param = desired state)
private:
bool mInitialised;
};
#endif // DAEMON_H