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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /kalarm/daemon.cpp
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz
tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kalarm/daemon.cpp b/kalarm/daemon.cpp
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+/*
+ * daemon.cpp - 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.
+ */
+
+#include "kalarm.h"
+
+#include <qtimer.h>
+#include <qiconset.h>
+
+#include <kstandarddirs.h>
+#include <kconfig.h>
+#include <kaboutdata.h>
+#include <kmessagebox.h>
+#include <dcopclient.h>
+#include <kdebug.h>
+
+#include "kalarmd/kalarmd.h"
+#include "kalarmd/alarmdaemoniface.h"
+#include "kalarmd/alarmdaemoniface_stub.h"
+#include "kalarmd/alarmguiiface.h"
+
+#include "alarmcalendar.h"
+#include "kalarmapp.h"
+#include "preferences.h"
+#include "daemon.moc"
+
+
+static const int REGISTER_TIMEOUT = 20; // seconds to wait before assuming registration with daemon has failed
+static const char* NOTIFY_DCOP_OBJECT = "notify"; // DCOP name of KAlarm's interface for notification by alarm daemon
+
+static QString expandURL(const QString& urlString);
+
+
+/*=============================================================================
+= Class: NotificationHandler
+= Handles the the alarm daemon's client notification DCOP interface.
+=============================================================================*/
+
+class NotificationHandler : public QObject, virtual public AlarmGuiIface
+{
+ public:
+ NotificationHandler();
+ private:
+ // DCOP interface
+ void alarmDaemonUpdate(int calendarStatus, const QString& calendarURL);
+ void handleEvent(const QString& calendarURL, const QString& eventID);
+ void registered(bool reregister, int result, int version);
+};
+
+
+Daemon* Daemon::mInstance = 0;
+NotificationHandler* Daemon::mDcopHandler = 0;
+QValueList<QString> Daemon::mQueuedEvents;
+QValueList<QString> Daemon::mSavingEvents;
+QTimer* Daemon::mStartTimer = 0;
+QTimer* Daemon::mRegisterTimer = 0;
+QTimer* Daemon::mStatusTimer = 0;
+int Daemon::mStatusTimerCount = 0;
+int Daemon::mStatusTimerInterval;
+int Daemon::mStartTimeout = 0;
+Daemon::Status Daemon::mStatus = Daemon::STOPPED;
+bool Daemon::mRunning = false;
+bool Daemon::mCalendarDisabled = false;
+bool Daemon::mEnableCalPending = false;
+bool Daemon::mRegisterFailMsg = false;
+
+// How frequently to check the daemon's status after starting it.
+// This is equal to the length of time we wait after the daemon is registered with DCOP
+// before we assume that it is ready to accept DCOP calls.
+static const int startCheckInterval = 500; // 500 milliseconds
+
+
+/******************************************************************************
+* Initialise.
+* A Daemon instance needs to be constructed only in order for slots to work.
+* All external access is via static methods.
+*/
+void Daemon::initialise()
+{
+ if (!mInstance)
+ mInstance = new Daemon();
+ connect(AlarmCalendar::activeCalendar(), SIGNAL(calendarSaved(AlarmCalendar*)), mInstance, SLOT(slotCalendarSaved(AlarmCalendar*)));
+}
+
+/******************************************************************************
+* Initialise the daemon status timer.
+*/
+void Daemon::createDcopHandler()
+{
+ if (mDcopHandler)
+ return;
+ mDcopHandler = new NotificationHandler();
+ // Check if the alarm daemon is running, but don't start it yet, since
+ // the program is still initialising.
+ mRunning = isRunning(false);
+
+ mStatusTimerInterval = Preferences::daemonTrayCheckInterval();
+ Preferences::connect(SIGNAL(preferencesChanged()), mInstance, SLOT(slotPreferencesChanged()));
+
+ mStatusTimer = new QTimer(mInstance);
+ connect(mStatusTimer, SIGNAL(timeout()), mInstance, SLOT(timerCheckIfRunning()));
+ mStatusTimer->start(mStatusTimerInterval * 1000); // check regularly if daemon is running
+}
+
+/******************************************************************************
+* Start the alarm daemon if necessary, and register this application with it.
+* Reply = false if the daemon definitely couldn't be started or registered with.
+*/
+bool Daemon::start()
+{
+ kdDebug(5950) << "Daemon::start()\n";
+ updateRegisteredStatus();
+ switch (mStatus)
+ {
+ case STOPPED:
+ {
+ if (mStartTimer)
+ return true; // we're currently waiting for the daemon to start
+ // Start the alarm daemon. It is a KUniqueApplication, which means that
+ // there is automatically only one instance of the alarm daemon running.
+ QString execStr = locate("exe", QString::fromLatin1(DAEMON_APP_NAME));
+ if (execStr.isEmpty())
+ {
+ KMessageBox::error(0, i18n("Alarm daemon not found."));
+ kdError() << "Daemon::startApp(): " DAEMON_APP_NAME " not found" << endl;
+ return false;
+ }
+ KApplication::kdeinitExec(execStr);
+ kdDebug(5950) << "Daemon::start(): Alarm daemon started" << endl;
+ mStartTimeout = 5000/startCheckInterval + 1; // check daemon status for 5 seconds before giving up
+ mStartTimer = new QTimer(mInstance);
+ connect(mStartTimer, SIGNAL(timeout()), mInstance, SLOT(checkIfStarted()));
+ mStartTimer->start(startCheckInterval);
+ mInstance->checkIfStarted();
+ return true;
+ }
+ case RUNNING:
+ return true; // we're waiting for the daemon to be completely ready
+ case READY:
+ // Daemon is ready. Register this application with it.
+ if (!registerWith(false))
+ return false;
+ break;
+ case REGISTERED:
+ break;
+ }
+ return true;
+}
+
+/******************************************************************************
+* Register this application with the alarm daemon, and tell it to load the
+* calendar.
+* Set 'reregister' true in order to notify the daemon of a change in the
+* 'disable alarms if stopped' setting.
+*/
+bool Daemon::registerWith(bool reregister)
+{
+ if (mRegisterTimer)
+ return true;
+ switch (mStatus)
+ {
+ case STOPPED:
+ case RUNNING:
+ return false;
+ case REGISTERED:
+ if (!reregister)
+ return true;
+ break;
+ case READY:
+ break;
+ }
+
+ bool disabledIfStopped = theApp()->alarmsDisabledIfStopped();
+ kdDebug(5950) << (reregister ? "Daemon::reregisterWith(): " : "Daemon::registerWith(): ") << (disabledIfStopped ? "NO_START" : "COMMAND_LINE") << endl;
+ QCString appname = kapp->aboutData()->appName();
+ AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
+ if (reregister)
+ s.registerChange(appname, !disabledIfStopped);
+ else
+ s.registerApp(appname, kapp->aboutData()->programName(), QCString(NOTIFY_DCOP_OBJECT), AlarmCalendar::activeCalendar()->urlString(), !disabledIfStopped);
+ if (!s.ok())
+ {
+ kdError(5950) << "Daemon::registerWith(" << reregister << "): DCOP error" << endl;
+ registrationResult(reregister, KAlarmd::FAILURE);
+ return false;
+ }
+ mRegisterTimer = new QTimer(mInstance);
+ connect(mRegisterTimer, SIGNAL(timeout()), mInstance, SLOT(registerTimerExpired()));
+ mRegisterTimer->start(REGISTER_TIMEOUT * 1000); // wait for the reply
+ return true;
+}
+
+/******************************************************************************
+* Called when the daemon has notified us of the result of the register() DCOP call.
+*/
+void Daemon::registrationResult(bool reregister, int result, int version)
+{
+ kdDebug(5950) << "Daemon::registrationResult(" << reregister << ") version: " << version << endl;
+ delete mRegisterTimer;
+ mRegisterTimer = 0;
+ bool failed = false;
+ QString errmsg;
+ if (version && version != DAEMON_VERSION_NUM)
+ {
+ failed = true;
+ kdError(5950) << "Daemon::registrationResult(" << reregister << "): kalarmd reports incompatible version " << version << endl;
+ errmsg = i18n("Cannot enable alarms.\nInstallation or configuration error: Alarm Daemon (%1) version is incompatible.")
+ .arg(QString::fromLatin1(DAEMON_APP_NAME));
+ }
+ else
+ {
+ switch (result)
+ {
+ case KAlarmd::SUCCESS:
+ break;
+ case KAlarmd::NOT_FOUND:
+ // We've successfully registered with the daemon, but the daemon can't
+ // find the KAlarm executable so won't be able to restart KAlarm if
+ // KAlarm exits.
+ kdError(5950) << "Daemon::registrationResult(" << reregister << "): registerApp dcop call: " << kapp->aboutData()->appName() << " not found\n";
+ KMessageBox::error(0, i18n("Alarms will be disabled if you stop KAlarm.\n"
+ "(Installation or configuration error: %1 cannot locate %2 executable.)")
+ .arg(QString::fromLatin1(DAEMON_APP_NAME))
+ .arg(kapp->aboutData()->appName()));
+ break;
+ case KAlarmd::FAILURE:
+ default:
+ // Either the daemon reported an error in the registration DCOP call,
+ // there was a DCOP error calling the daemon, or a timeout on the reply.
+ kdError(5950) << "Daemon::registrationResult(" << reregister << "): registerApp dcop call failed -> " << result << endl;
+ failed = true;
+ if (!reregister)
+ {
+ errmsg = i18n("Cannot enable alarms:\nFailed to register with Alarm Daemon (%1)")
+ .arg(QString::fromLatin1(DAEMON_APP_NAME));
+ }
+ break;
+ }
+ }
+
+ if (failed)
+ {
+ if (!errmsg.isEmpty())
+ {
+ if (mStatus == REGISTERED)
+ mStatus = READY;
+ if (!mRegisterFailMsg)
+ {
+ mRegisterFailMsg = true;
+ KMessageBox::error(0, errmsg);
+ }
+ }
+ return;
+ }
+
+ if (!reregister)
+ {
+ // The alarm daemon has loaded the calendar
+ mStatus = REGISTERED;
+ mRegisterFailMsg = false;
+ kdDebug(5950) << "Daemon::start(): daemon startup complete" << endl;
+ }
+}
+
+/******************************************************************************
+* Check whether the alarm daemon has started yet, and if so, register with it.
+*/
+void Daemon::checkIfStarted()
+{
+ updateRegisteredStatus();
+ bool err = false;
+ switch (mStatus)
+ {
+ case STOPPED:
+ if (--mStartTimeout > 0)
+ return; // wait a bit more to check again
+ // Output error message, but delete timer first to prevent
+ // multiple messages.
+ err = true;
+ break;
+ case RUNNING:
+ case READY:
+ case REGISTERED:
+ break;
+ }
+ delete mStartTimer;
+ mStartTimer = 0;
+ if (err)
+ {
+ kdError(5950) << "Daemon::checkIfStarted(): failed to start daemon" << endl;
+ KMessageBox::error(0, i18n("Cannot enable alarms:\nFailed to start Alarm Daemon (%1)").arg(QString::fromLatin1(DAEMON_APP_NAME)));
+ }
+}
+
+/******************************************************************************
+* Check whether the alarm daemon has started yet, and if so, whether it is
+* ready to accept DCOP calls.
+*/
+void Daemon::updateRegisteredStatus(bool timeout)
+{
+ if (!kapp->dcopClient()->isApplicationRegistered(DAEMON_APP_NAME))
+ {
+ mStatus = STOPPED;
+ mRegisterFailMsg = false;
+ }
+ else
+ {
+ switch (mStatus)
+ {
+ case STOPPED:
+ // The daemon has newly been detected as registered with DCOP.
+ // Wait for a short time to ensure that it is ready for DCOP calls.
+ mStatus = RUNNING;
+ QTimer::singleShot(startCheckInterval, mInstance, SLOT(slotStarted()));
+ break;
+ case RUNNING:
+ if (timeout)
+ {
+ mStatus = READY;
+ start();
+ }
+ break;
+ case READY:
+ case REGISTERED:
+ break;
+ }
+ }
+ kdDebug(5950) << "Daemon::updateRegisteredStatus() -> " << mStatus << endl;
+}
+
+/******************************************************************************
+* Stop the alarm daemon if it is running.
+*/
+bool Daemon::stop()
+{
+ kdDebug(5950) << "Daemon::stop()" << endl;
+ if (kapp->dcopClient()->isApplicationRegistered(DAEMON_APP_NAME))
+ {
+ AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
+ s.quit();
+ if (!s.ok())
+ {
+ kdError(5950) << "Daemon::stop(): dcop call failed" << endl;
+ return false;
+ }
+ }
+ return true;
+}
+
+/******************************************************************************
+* Reset the alarm daemon.
+* Reply = true if daemon was told to reset
+* = false if daemon is not running.
+*/
+bool Daemon::reset()
+{
+ kdDebug(5950) << "Daemon::reset()" << endl;
+ if (!kapp->dcopClient()->isApplicationRegistered(DAEMON_APP_NAME))
+ return false;
+ AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
+ s.resetCalendar(QCString(kapp->aboutData()->appName()), AlarmCalendar::activeCalendar()->urlString());
+ if (!s.ok())
+ kdError(5950) << "Daemon::reset(): resetCalendar dcop send failed" << endl;
+ return true;
+}
+
+/******************************************************************************
+* Tell the alarm daemon to reread the calendar file.
+*/
+void Daemon::reload()
+{
+ kdDebug(5950) << "Daemon::reload()\n";
+ AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
+ s.reloadCalendar(QCString(kapp->aboutData()->appName()), AlarmCalendar::activeCalendar()->urlString());
+ if (!s.ok())
+ kdError(5950) << "Daemon::reload(): reloadCalendar dcop send failed" << endl;
+}
+
+/******************************************************************************
+* Tell the alarm daemon to enable/disable monitoring of the calendar file.
+*/
+void Daemon::enableCalendar(bool enable)
+{
+ AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
+ s.enableCalendar(AlarmCalendar::activeCalendar()->urlString(), enable);
+ mEnableCalPending = false;
+}
+
+/******************************************************************************
+* Tell the alarm daemon to enable/disable autostart at login.
+*/
+void Daemon::enableAutoStart(bool enable)
+{
+ // Tell the alarm daemon in case it is running.
+ AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
+ s.enableAutoStart(enable);
+
+ // The return status doesn't report failure even if the daemon isn't running,
+ // so in case of failure, rewrite the config file in any case.
+ KConfig adconfig(locate("config", DAEMON_APP_NAME"rc"));
+ adconfig.setGroup(QString::fromLatin1(DAEMON_AUTOSTART_SECTION));
+ adconfig.writeEntry(QString::fromLatin1(DAEMON_AUTOSTART_KEY), enable);
+ adconfig.sync();
+}
+
+/******************************************************************************
+* Notify the alarm daemon that the start-of-day time for date-only alarms has
+* changed.
+*/
+void Daemon::notifyTimeChanged()
+{
+ AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
+ s.timeConfigChanged();
+ if (!s.ok())
+ kdError(5950) << "Daemon::timeConfigChanged(): dcop send failed" << endl;
+}
+
+/******************************************************************************
+* Read the alarm daemon's autostart-at-login setting.
+*/
+bool Daemon::autoStart()
+{
+ KConfig adconfig(locate("config", DAEMON_APP_NAME"rc"));
+ adconfig.setGroup(QString::fromLatin1(DAEMON_AUTOSTART_SECTION));
+ return adconfig.readBoolEntry(QString::fromLatin1(DAEMON_AUTOSTART_KEY), true);
+}
+
+/******************************************************************************
+* Notification that the alarm daemon has enabled/disabled monitoring of the
+* calendar file.
+*/
+void Daemon::calendarIsEnabled(bool enabled)
+{
+ mCalendarDisabled = !enabled;
+ emit mInstance->daemonRunning(enabled);
+}
+
+/******************************************************************************
+* Tell the alarm daemon to stop or start monitoring the calendar file as
+* appropriate.
+*/
+void Daemon::setAlarmsEnabled(bool enable)
+{
+ kdDebug(5950) << "Daemon::setAlarmsEnabled(" << enable << ")\n";
+ if (enable && !checkIfRunning())
+ {
+ // The daemon is not running, so start it
+ if (!start())
+ {
+ emit daemonRunning(false);
+ return;
+ }
+ mEnableCalPending = true;
+ setFastCheck();
+ }
+
+ // If the daemon is now running, tell it to enable/disable the calendar
+ if (checkIfRunning())
+ enableCalendar(enable);
+}
+
+/******************************************************************************
+* Return whether the alarm daemon is monitoring alarms.
+*/
+bool Daemon::monitoringAlarms()
+{
+ bool ok = !mCalendarDisabled && isRunning();
+ emit mInstance->daemonRunning(ok);
+ return ok;
+}
+
+/******************************************************************************
+* Check whether the alarm daemon is currently running and available.
+*/
+bool Daemon::isRunning(bool startdaemon)
+{
+ static bool runState = false;
+ updateRegisteredStatus();
+ bool newRunState = (mStatus == READY || mStatus == REGISTERED);
+ if (newRunState != runState)
+ {
+ // Daemon's status has changed
+ runState = newRunState;
+ if (runState && startdaemon)
+ start(); // re-register with the daemon
+ }
+ return runState && (mStatus == REGISTERED);
+}
+
+/******************************************************************************
+* Called by the timer to check whether the daemon is running.
+*/
+void Daemon::timerCheckIfRunning()
+{
+ checkIfRunning();
+ // Limit how long we check at the fast rate
+ if (mStatusTimerCount > 0 && --mStatusTimerCount <= 0)
+ mStatusTimer->changeInterval(mStatusTimerInterval * 1000);
+}
+
+/******************************************************************************
+* Check whether the alarm daemon is currently running.
+* If its status has changed, trigger GUI updates.
+*/
+bool Daemon::checkIfRunning()
+{
+ bool newstatus = isRunning();
+ if (newstatus != mRunning)
+ {
+ mRunning = newstatus;
+ int status = mRunning && !mCalendarDisabled;
+ emit mInstance->daemonRunning(status);
+ mStatusTimer->changeInterval(mStatusTimerInterval * 1000); // exit from fast checking
+ mStatusTimerCount = 0;
+ if (mRunning)
+ {
+ // The alarm daemon has started up
+ if (mEnableCalPending)
+ enableCalendar(true); // tell it to monitor the calendar, if appropriate
+ }
+ }
+ return mRunning;
+}
+
+/******************************************************************************
+* Starts checking at a faster rate whether the daemon is running.
+*/
+void Daemon::setFastCheck()
+{
+ mStatusTimer->start(500); // check new status every half second
+ mStatusTimerCount = 20; // don't check at this rate for more than 10 seconds
+}
+
+/******************************************************************************
+* Called when a program setting has changed.
+* If the system tray icon update interval has changed, reset the timer.
+*/
+void Daemon::slotPreferencesChanged()
+{
+ int newInterval = Preferences::daemonTrayCheckInterval();
+ if (newInterval != mStatusTimerInterval)
+ {
+ // Daemon check interval has changed
+ mStatusTimerInterval = newInterval;
+ if (mStatusTimerCount <= 0) // don't change if on fast rate
+ mStatusTimer->changeInterval(mStatusTimerInterval * 1000);
+ }
+}
+
+/******************************************************************************
+* Create an "Alarms Enabled/Enable Alarms" action.
+*/
+AlarmEnableAction* Daemon::createAlarmEnableAction(KActionCollection* actions, const char* name)
+{
+ AlarmEnableAction* a = new AlarmEnableAction(0, actions, name);
+ connect(a, SIGNAL(userClicked(bool)), mInstance, SLOT(setAlarmsEnabled(bool)));
+ connect(mInstance, SIGNAL(daemonRunning(bool)), a, SLOT(setCheckedActual(bool)));
+ return a;
+}
+
+/******************************************************************************
+* Called when a calendar has been saved.
+* If it's the active alarm calendar, notify the alarm daemon.
+*/
+void Daemon::slotCalendarSaved(AlarmCalendar* cal)
+{
+ if (cal == AlarmCalendar::activeCalendar())
+ {
+ int n = mSavingEvents.count();
+ if (n)
+ {
+ // We have just saved a modified event originally triggered by the daemon.
+ // Notify the daemon of the event, and tell it to reload the calendar.
+ for (int i = 0; i < n - 1; ++i)
+ notifyEventHandled(mSavingEvents[i], false);
+ notifyEventHandled(mSavingEvents[n - 1], true);
+ mSavingEvents.clear();
+ }
+ else
+ reload();
+ }
+}
+
+/******************************************************************************
+* Note an event ID which has been triggered by the alarm daemon.
+*/
+void Daemon::queueEvent(const QString& eventId)
+{
+ mQueuedEvents += eventId;
+}
+
+/******************************************************************************
+* Note an event ID which is currently being saved in the calendar file, if the
+* event was originally triggered by the alarm daemon.
+*/
+void Daemon::savingEvent(const QString& eventId)
+{
+ if (mQueuedEvents.remove(eventId) > 0)
+ mSavingEvents += eventId;
+}
+
+/******************************************************************************
+* If the event ID has been triggered by the alarm daemon, tell the daemon that
+* it has been processed, and whether to reload its calendar.
+*/
+void Daemon::eventHandled(const QString& eventId, bool reloadCal)
+{
+ if (mQueuedEvents.remove(eventId) > 0)
+ notifyEventHandled(eventId, reloadCal); // it's a daemon event, so tell daemon that it's been handled
+ else if (reloadCal)
+ reload(); // not a daemon event, so simply tell the daemon to reload the calendar
+}
+
+/******************************************************************************
+* Tell the daemon that an event has been processed, and whether to reload its
+* calendar.
+*/
+void Daemon::notifyEventHandled(const QString& eventId, bool reloadCal)
+{
+ kdDebug(5950) << "Daemon::notifyEventHandled(" << eventId << (reloadCal ? "): reload" : ")") << endl;
+ AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
+ s.eventHandled(QCString(kapp->aboutData()->appName()), AlarmCalendar::activeCalendar()->urlString(), eventId, reloadCal);
+ if (!s.ok())
+ kdError(5950) << "Daemon::notifyEventHandled(): eventHandled dcop send failed" << endl;
+}
+
+/******************************************************************************
+* Return the maximum time (in seconds) elapsed since the last time the alarm
+* daemon must have checked alarms.
+*/
+int Daemon::maxTimeSinceCheck()
+{
+ return DAEMON_CHECK_INTERVAL;
+}
+
+
+/*=============================================================================
+= Class: NotificationHandler
+=============================================================================*/
+
+NotificationHandler::NotificationHandler()
+ : DCOPObject(NOTIFY_DCOP_OBJECT),
+ QObject()
+{
+ kdDebug(5950) << "NotificationHandler::NotificationHandler()\n";
+}
+
+/******************************************************************************
+ * DCOP call from the alarm daemon to notify a change.
+ * The daemon notifies calendar statuses when we first register as a GUI, and whenever
+ * a calendar status changes. So we don't need to read its config files.
+ */
+void NotificationHandler::alarmDaemonUpdate(int calendarStatus, const QString& calendarURL)
+{
+ kdDebug(5950) << "NotificationHandler::alarmDaemonUpdate(" << calendarStatus << ")\n";
+ KAlarmd::CalendarStatus status = KAlarmd::CalendarStatus(calendarStatus);
+ if (expandURL(calendarURL) != AlarmCalendar::activeCalendar()->urlString())
+ return; // it's not a notification about KAlarm's calendar
+ bool enabled = false;
+ switch (status)
+ {
+ case KAlarmd::CALENDAR_UNAVAILABLE:
+ // Calendar is not available for monitoring
+ kdDebug(5950) << "NotificationHandler::alarmDaemonUpdate(CALENDAR_UNAVAILABLE)\n";
+ break;
+ case KAlarmd::CALENDAR_DISABLED:
+ // Calendar is available for monitoring but is not currently being monitored
+ kdDebug(5950) << "NotificationHandler::alarmDaemonUpdate(DISABLE_CALENDAR)\n";
+ break;
+ case KAlarmd::CALENDAR_ENABLED:
+ // Calendar is currently being monitored
+ kdDebug(5950) << "NotificationHandler::alarmDaemonUpdate(ENABLE_CALENDAR)\n";
+ enabled = true;
+ break;
+ default:
+ return;
+ }
+ Daemon::calendarIsEnabled(enabled);
+}
+
+/******************************************************************************
+ * DCOP call from the alarm daemon to notify that an alarm is due.
+ */
+void NotificationHandler::handleEvent(const QString& url, const QString& eventId)
+{
+ QString id = eventId;
+ if (id.startsWith(QString::fromLatin1("ad:")))
+ {
+ // It's a notification from the alarm deamon
+ id = id.mid(3);
+ Daemon::queueEvent(id);
+ }
+ theApp()->handleEvent(url, id);
+}
+
+/******************************************************************************
+ * DCOP call from the alarm daemon to notify the success or failure of a
+ * registration request from KAlarm.
+ */
+void NotificationHandler::registered(bool reregister, int result, int version)
+{
+ Daemon::registrationResult(reregister, result, version);
+}
+
+
+/*=============================================================================
+= Class: AlarmEnableAction
+=============================================================================*/
+
+AlarmEnableAction::AlarmEnableAction(int accel, QObject* parent, const char* name)
+ : KToggleAction(i18n("Enable &Alarms"), accel, parent, name),
+ mInitialised(false)
+{
+ setCheckedState(i18n("Disable &Alarms"));
+ setCheckedActual(false); // set the correct text
+ mInitialised = true;
+}
+
+/******************************************************************************
+* Set the checked status and the correct text for the Alarms Enabled action.
+*/
+void AlarmEnableAction::setCheckedActual(bool running)
+{
+ kdDebug(5950) << "AlarmEnableAction::setCheckedActual(" << running << ")\n";
+ if (running != isChecked() || !mInitialised)
+ {
+ KToggleAction::setChecked(running);
+ emit switched(running);
+ }
+}
+
+/******************************************************************************
+* Request a change in the checked status.
+* The status is only actually changed when the alarm daemon run state changes.
+*/
+void AlarmEnableAction::setChecked(bool check)
+{
+ kdDebug(5950) << "AlarmEnableAction::setChecked(" << check << ")\n";
+ if (check != isChecked())
+ {
+ if (check)
+ Daemon::allowRegisterFailMsg();
+ emit userClicked(check);
+ }
+}
+
+
+/******************************************************************************
+ * Expand a DCOP call parameter URL to a full URL.
+ * (We must store full URLs in the calendar data since otherwise later calls to
+ * reload or remove calendars won't necessarily find a match.)
+ */
+QString expandURL(const QString& urlString)
+{
+ if (urlString.isEmpty())
+ return QString();
+ return KURL(urlString).url();
+}