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<h2><a name="content"></a>kalarm</h2>
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<h1>daemon.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * daemon.cpp - interface with alarm daemon</span>
<a name="l00003"></a>00003 <span class="comment"> * Program: kalarm</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright © 2001-2007 by David Jarvie <software@astrojar.org.uk></span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00009"></a>00009 <span class="comment"> * (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00014"></a>00014 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU General Public License along</span>
<a name="l00017"></a>00017 <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span>
<a name="l00018"></a>00018 <span class="comment"> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#include "kalarm.h"</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <qtimer.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <qiconset.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include <kstandarddirs.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <kconfig.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <kaboutdata.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <kmessagebox.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <dcopclient.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#include "kalarmd/kalarmd.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "kalarmd/alarmdaemoniface.h"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "kalarmd/alarmdaemoniface_stub.h"</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "kalarmd/alarmguiiface.h"</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#include "alarmcalendar.h"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="kalarmapp_8h.html" title="the KAlarm application object">kalarmapp.h</a>"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "preferences.h"</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "daemon.moc"</span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> REGISTER_TIMEOUT = 20; <span class="comment">// seconds to wait before assuming registration with daemon has failed</span>
<a name="l00045"></a>00045 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* NOTIFY_DCOP_OBJECT = <span class="stringliteral">"notify"</span>; <span class="comment">// DCOP name of KAlarm's interface for notification by alarm daemon</span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">static</span> QString expandURL(<span class="keyword">const</span> QString& urlString);
<a name="l00048"></a>00048
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">/*=============================================================================</span>
<a name="l00051"></a>00051 <span class="comment">= Class: NotificationHandler</span>
<a name="l00052"></a>00052 <span class="comment">= Handles the the alarm daemon's client notification DCOP interface.</span>
<a name="l00053"></a>00053 <span class="comment">=============================================================================*/</span>
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keyword">class </span>NotificationHandler : <span class="keyword">public</span> QObject, <span class="keyword">virtual</span> <span class="keyword">public</span> AlarmGuiIface
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="keyword">public</span>:
<a name="l00058"></a>00058 NotificationHandler();
<a name="l00059"></a>00059 <span class="keyword">private</span>:
<a name="l00060"></a>00060 <span class="comment">// DCOP interface</span>
<a name="l00061"></a>00061 <span class="keywordtype">void</span> alarmDaemonUpdate(<span class="keywordtype">int</span> calendarStatus, <span class="keyword">const</span> QString& calendarURL);
<a name="l00062"></a>00062 <span class="keywordtype">void</span> handleEvent(<span class="keyword">const</span> QString& calendarURL, <span class="keyword">const</span> QString& eventID);
<a name="l00063"></a>00063 <span class="keywordtype">void</span> registered(<span class="keywordtype">bool</span> reregister, <span class="keywordtype">int</span> result, <span class="keywordtype">int</span> version);
<a name="l00064"></a>00064 };
<a name="l00065"></a>00065
<a name="l00066"></a>00066
<a name="l00067"></a>00067 Daemon* Daemon::mInstance = 0;
<a name="l00068"></a>00068 NotificationHandler* Daemon::mDcopHandler = 0;
<a name="l00069"></a>00069 QValueList<QString> Daemon::mQueuedEvents;
<a name="l00070"></a>00070 QValueList<QString> Daemon::mSavingEvents;
<a name="l00071"></a>00071 QTimer* Daemon::mStartTimer = 0;
<a name="l00072"></a>00072 QTimer* Daemon::mRegisterTimer = 0;
<a name="l00073"></a>00073 QTimer* Daemon::mStatusTimer = 0;
<a name="l00074"></a>00074 <span class="keywordtype">int</span> Daemon::mStatusTimerCount = 0;
<a name="l00075"></a>00075 <span class="keywordtype">int</span> Daemon::mStatusTimerInterval;
<a name="l00076"></a>00076 <span class="keywordtype">int</span> Daemon::mStartTimeout = 0;
<a name="l00077"></a>00077 Daemon::Status Daemon::mStatus = Daemon::STOPPED;
<a name="l00078"></a>00078 <span class="keywordtype">bool</span> Daemon::mRunning = <span class="keyword">false</span>;
<a name="l00079"></a>00079 <span class="keywordtype">bool</span> Daemon::mCalendarDisabled = <span class="keyword">false</span>;
<a name="l00080"></a>00080 <span class="keywordtype">bool</span> Daemon::mEnableCalPending = <span class="keyword">false</span>;
<a name="l00081"></a>00081 <span class="keywordtype">bool</span> Daemon::mRegisterFailMsg = <span class="keyword">false</span>;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">// How frequently to check the daemon's status after starting it.</span>
<a name="l00084"></a>00084 <span class="comment">// This is equal to the length of time we wait after the daemon is registered with DCOP</span>
<a name="l00085"></a>00085 <span class="comment">// before we assume that it is ready to accept DCOP calls.</span>
<a name="l00086"></a>00086 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> startCheckInterval = 500; <span class="comment">// 500 milliseconds</span>
<a name="l00087"></a>00087
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="comment">/******************************************************************************</span>
<a name="l00090"></a>00090 <span class="comment">* Initialise.</span>
<a name="l00091"></a>00091 <span class="comment">* A Daemon instance needs to be constructed only in order for slots to work.</span>
<a name="l00092"></a>00092 <span class="comment">* All external access is via static methods.</span>
<a name="l00093"></a>00093 <span class="comment">*/</span>
<a name="l00094"></a>00094 <span class="keywordtype">void</span> Daemon::initialise()
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (!mInstance)
<a name="l00097"></a>00097 mInstance = <span class="keyword">new</span> Daemon();
<a name="l00098"></a>00098 connect(AlarmCalendar::activeCalendar(), SIGNAL(calendarSaved(<a class="code" href="classAlarmCalendar.html" title="Provides read and write access to calendar files.">AlarmCalendar</a>*)), mInstance, SLOT(slotCalendarSaved(<a class="code" href="classAlarmCalendar.html" title="Provides read and write access to calendar files.">AlarmCalendar</a>*)));
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="comment">/******************************************************************************</span>
<a name="l00102"></a>00102 <span class="comment">* Initialise the daemon status timer.</span>
<a name="l00103"></a>00103 <span class="comment">*/</span>
<a name="l00104"></a>00104 <span class="keywordtype">void</span> Daemon::createDcopHandler()
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 <span class="keywordflow">if</span> (mDcopHandler)
<a name="l00107"></a>00107 <span class="keywordflow">return</span>;
<a name="l00108"></a>00108 mDcopHandler = <span class="keyword">new</span> NotificationHandler();
<a name="l00109"></a>00109 <span class="comment">// Check if the alarm daemon is running, but don't start it yet, since</span>
<a name="l00110"></a>00110 <span class="comment">// the program is still initialising.</span>
<a name="l00111"></a>00111 mRunning = isRunning(<span class="keyword">false</span>);
<a name="l00112"></a>00112
<a name="l00113"></a>00113 mStatusTimerInterval = Preferences::daemonTrayCheckInterval();
<a name="l00114"></a>00114 Preferences::connect(SIGNAL(preferencesChanged()), mInstance, SLOT(slotPreferencesChanged()));
<a name="l00115"></a>00115
<a name="l00116"></a>00116 mStatusTimer = <span class="keyword">new</span> QTimer(mInstance);
<a name="l00117"></a>00117 connect(mStatusTimer, SIGNAL(timeout()), mInstance, SLOT(timerCheckIfRunning()));
<a name="l00118"></a>00118 mStatusTimer->start(mStatusTimerInterval * 1000); <span class="comment">// check regularly if daemon is running</span>
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="comment">/******************************************************************************</span>
<a name="l00122"></a>00122 <span class="comment">* Start the alarm daemon if necessary, and register this application with it.</span>
<a name="l00123"></a>00123 <span class="comment">* Reply = false if the daemon definitely couldn't be started or registered with.</span>
<a name="l00124"></a>00124 <span class="comment">*/</span>
<a name="l00125"></a>00125 <span class="keywordtype">bool</span> Daemon::start()
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 kdDebug(5950) << <span class="stringliteral">"Daemon::start()\n"</span>;
<a name="l00128"></a>00128 updateRegisteredStatus();
<a name="l00129"></a>00129 <span class="keywordflow">switch</span> (mStatus)
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 <span class="keywordflow">case</span> STOPPED:
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 <span class="keywordflow">if</span> (mStartTimer)
<a name="l00134"></a>00134 <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// we're currently waiting for the daemon to start</span>
<a name="l00135"></a>00135 <span class="comment">// Start the alarm daemon. It is a KUniqueApplication, which means that</span>
<a name="l00136"></a>00136 <span class="comment">// there is automatically only one instance of the alarm daemon running.</span>
<a name="l00137"></a>00137 QString execStr = locate(<span class="stringliteral">"exe"</span>, QString::fromLatin1(DAEMON_APP_NAME));
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (execStr.isEmpty())
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 KMessageBox::error(0, i18n(<span class="stringliteral">"Alarm daemon not found."</span>));
<a name="l00141"></a>00141 kdError() << <span class="stringliteral">"Daemon::startApp(): "</span> DAEMON_APP_NAME <span class="stringliteral">" not found"</span> << endl;
<a name="l00142"></a>00142 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144 KApplication::kdeinitExec(execStr);
<a name="l00145"></a>00145 kdDebug(5950) << <span class="stringliteral">"Daemon::start(): Alarm daemon started"</span> << endl;
<a name="l00146"></a>00146 mStartTimeout = 5000/startCheckInterval + 1; <span class="comment">// check daemon status for 5 seconds before giving up</span>
<a name="l00147"></a>00147 mStartTimer = <span class="keyword">new</span> QTimer(mInstance);
<a name="l00148"></a>00148 connect(mStartTimer, SIGNAL(timeout()), mInstance, SLOT(checkIfStarted()));
<a name="l00149"></a>00149 mStartTimer->start(startCheckInterval);
<a name="l00150"></a>00150 mInstance->checkIfStarted();
<a name="l00151"></a>00151 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 <span class="keywordflow">case</span> RUNNING:
<a name="l00154"></a>00154 <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// we're waiting for the daemon to be completely ready</span>
<a name="l00155"></a>00155 <span class="keywordflow">case</span> READY:
<a name="l00156"></a>00156 <span class="comment">// Daemon is ready. Register this application with it.</span>
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (!registerWith(<span class="keyword">false</span>))
<a name="l00158"></a>00158 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00159"></a>00159 <span class="keywordflow">break</span>;
<a name="l00160"></a>00160 <span class="keywordflow">case</span> REGISTERED:
<a name="l00161"></a>00161 <span class="keywordflow">break</span>;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="comment">/******************************************************************************</span>
<a name="l00167"></a>00167 <span class="comment">* Register this application with the alarm daemon, and tell it to load the</span>
<a name="l00168"></a>00168 <span class="comment">* calendar.</span>
<a name="l00169"></a>00169 <span class="comment">* Set 'reregister' true in order to notify the daemon of a change in the</span>
<a name="l00170"></a>00170 <span class="comment">* 'disable alarms if stopped' setting.</span>
<a name="l00171"></a>00171 <span class="comment">*/</span>
<a name="l00172"></a>00172 <span class="keywordtype">bool</span> Daemon::registerWith(<span class="keywordtype">bool</span> reregister)
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (mRegisterTimer)
<a name="l00175"></a>00175 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00176"></a>00176 <span class="keywordflow">switch</span> (mStatus)
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 <span class="keywordflow">case</span> STOPPED:
<a name="l00179"></a>00179 <span class="keywordflow">case</span> RUNNING:
<a name="l00180"></a>00180 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00181"></a>00181 <span class="keywordflow">case</span> REGISTERED:
<a name="l00182"></a>00182 <span class="keywordflow">if</span> (!reregister)
<a name="l00183"></a>00183 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00184"></a>00184 <span class="keywordflow">break</span>;
<a name="l00185"></a>00185 <span class="keywordflow">case</span> READY:
<a name="l00186"></a>00186 <span class="keywordflow">break</span>;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordtype">bool</span> disabledIfStopped = theApp()->alarmsDisabledIfStopped();
<a name="l00190"></a>00190 kdDebug(5950) << (reregister ? <span class="stringliteral">"Daemon::reregisterWith(): "</span> : <span class="stringliteral">"Daemon::registerWith(): "</span>) << (disabledIfStopped ? <span class="stringliteral">"NO_START"</span> : <span class="stringliteral">"COMMAND_LINE"</span>) << endl;
<a name="l00191"></a>00191 QCString appname = kapp->aboutData()->appName();
<a name="l00192"></a>00192 AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (reregister)
<a name="l00194"></a>00194 s.registerChange(appname, !disabledIfStopped);
<a name="l00195"></a>00195 <span class="keywordflow">else</span>
<a name="l00196"></a>00196 s.registerApp(appname, kapp->aboutData()->programName(), QCString(NOTIFY_DCOP_OBJECT), AlarmCalendar::activeCalendar()-><a class="code" href="classAlarmCalendar.html#50c3c9745a4850ebd08f822125cc3f75">urlString</a>(), !disabledIfStopped);
<a name="l00197"></a>00197 <span class="keywordflow">if</span> (!s.ok())
<a name="l00198"></a>00198 {
<a name="l00199"></a>00199 kdError(5950) << <span class="stringliteral">"Daemon::registerWith("</span> << reregister << <span class="stringliteral">"): DCOP error"</span> << endl;
<a name="l00200"></a>00200 registrationResult(reregister, KAlarmd::FAILURE);
<a name="l00201"></a>00201 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203 mRegisterTimer = <span class="keyword">new</span> QTimer(mInstance);
<a name="l00204"></a>00204 connect(mRegisterTimer, SIGNAL(timeout()), mInstance, SLOT(registerTimerExpired()));
<a name="l00205"></a>00205 mRegisterTimer->start(REGISTER_TIMEOUT * 1000); <span class="comment">// wait for the reply</span>
<a name="l00206"></a>00206 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208
<a name="l00209"></a>00209 <span class="comment">/******************************************************************************</span>
<a name="l00210"></a>00210 <span class="comment">* Called when the daemon has notified us of the result of the register() DCOP call.</span>
<a name="l00211"></a>00211 <span class="comment">*/</span>
<a name="l00212"></a>00212 <span class="keywordtype">void</span> Daemon::registrationResult(<span class="keywordtype">bool</span> reregister, <span class="keywordtype">int</span> result, <span class="keywordtype">int</span> version)
<a name="l00213"></a>00213 {
<a name="l00214"></a>00214 kdDebug(5950) << <span class="stringliteral">"Daemon::registrationResult("</span> << reregister << <span class="stringliteral">") version: "</span> << version << endl;
<a name="l00215"></a>00215 <span class="keyword">delete</span> mRegisterTimer;
<a name="l00216"></a>00216 mRegisterTimer = 0;
<a name="l00217"></a>00217 <span class="keywordtype">bool</span> failed = <span class="keyword">false</span>;
<a name="l00218"></a>00218 QString errmsg;
<a name="l00219"></a>00219 <span class="keywordflow">if</span> (version && version != DAEMON_VERSION_NUM)
<a name="l00220"></a>00220 {
<a name="l00221"></a>00221 failed = <span class="keyword">true</span>;
<a name="l00222"></a>00222 kdError(5950) << <span class="stringliteral">"Daemon::registrationResult("</span> << reregister << <span class="stringliteral">"): kalarmd reports incompatible version "</span> << version << endl;
<a name="l00223"></a>00223 errmsg = i18n(<span class="stringliteral">"Cannot enable alarms.\nInstallation or configuration error: Alarm Daemon (%1) version is incompatible."</span>)
<a name="l00224"></a>00224 .arg(QString::fromLatin1(DAEMON_APP_NAME));
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 <span class="keywordflow">else</span>
<a name="l00227"></a>00227 {
<a name="l00228"></a>00228 <span class="keywordflow">switch</span> (result)
<a name="l00229"></a>00229 {
<a name="l00230"></a>00230 <span class="keywordflow">case</span> KAlarmd::SUCCESS:
<a name="l00231"></a>00231 <span class="keywordflow">break</span>;
<a name="l00232"></a>00232 <span class="keywordflow">case</span> KAlarmd::NOT_FOUND:
<a name="l00233"></a>00233 <span class="comment">// We've successfully registered with the daemon, but the daemon can't</span>
<a name="l00234"></a>00234 <span class="comment">// find the KAlarm executable so won't be able to restart KAlarm if</span>
<a name="l00235"></a>00235 <span class="comment">// KAlarm exits.</span>
<a name="l00236"></a>00236 kdError(5950) << <span class="stringliteral">"Daemon::registrationResult("</span> << reregister << <span class="stringliteral">"): registerApp dcop call: "</span> << kapp->aboutData()->appName() << <span class="stringliteral">" not found\n"</span>;
<a name="l00237"></a>00237 KMessageBox::error(0, i18n(<span class="stringliteral">"Alarms will be disabled if you stop KAlarm.\n"</span>
<a name="l00238"></a>00238 <span class="stringliteral">"(Installation or configuration error: %1 cannot locate %2 executable.)"</span>)
<a name="l00239"></a>00239 .arg(QString::fromLatin1(DAEMON_APP_NAME))
<a name="l00240"></a>00240 .arg(kapp->aboutData()->appName()));
<a name="l00241"></a>00241 <span class="keywordflow">break</span>;
<a name="l00242"></a>00242 <span class="keywordflow">case</span> KAlarmd::FAILURE:
<a name="l00243"></a>00243 <span class="keywordflow">default</span>:
<a name="l00244"></a>00244 <span class="comment">// Either the daemon reported an error in the registration DCOP call,</span>
<a name="l00245"></a>00245 <span class="comment">// there was a DCOP error calling the daemon, or a timeout on the reply.</span>
<a name="l00246"></a>00246 kdError(5950) << <span class="stringliteral">"Daemon::registrationResult("</span> << reregister << <span class="stringliteral">"): registerApp dcop call failed -> "</span> << result << endl;
<a name="l00247"></a>00247 failed = <span class="keyword">true</span>;
<a name="l00248"></a>00248 <span class="keywordflow">if</span> (!reregister)
<a name="l00249"></a>00249 {
<a name="l00250"></a>00250 errmsg = i18n(<span class="stringliteral">"Cannot enable alarms:\nFailed to register with Alarm Daemon (%1)"</span>)
<a name="l00251"></a>00251 .arg(QString::fromLatin1(DAEMON_APP_NAME));
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253 <span class="keywordflow">break</span>;
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keywordflow">if</span> (failed)
<a name="l00258"></a>00258 {
<a name="l00259"></a>00259 <span class="keywordflow">if</span> (!errmsg.isEmpty())
<a name="l00260"></a>00260 {
<a name="l00261"></a>00261 <span class="keywordflow">if</span> (mStatus == REGISTERED)
<a name="l00262"></a>00262 mStatus = READY;
<a name="l00263"></a>00263 <span class="keywordflow">if</span> (!mRegisterFailMsg)
<a name="l00264"></a>00264 {
<a name="l00265"></a>00265 mRegisterFailMsg = <span class="keyword">true</span>;
<a name="l00266"></a>00266 KMessageBox::error(0, errmsg);
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269 <span class="keywordflow">return</span>;
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="keywordflow">if</span> (!reregister)
<a name="l00273"></a>00273 {
<a name="l00274"></a>00274 <span class="comment">// The alarm daemon has loaded the calendar</span>
<a name="l00275"></a>00275 mStatus = REGISTERED;
<a name="l00276"></a>00276 mRegisterFailMsg = <span class="keyword">false</span>;
<a name="l00277"></a>00277 kdDebug(5950) << <span class="stringliteral">"Daemon::start(): daemon startup complete"</span> << endl;
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="comment">/******************************************************************************</span>
<a name="l00282"></a>00282 <span class="comment">* Check whether the alarm daemon has started yet, and if so, register with it.</span>
<a name="l00283"></a>00283 <span class="comment">*/</span>
<a name="l00284"></a>00284 <span class="keywordtype">void</span> Daemon::checkIfStarted()
<a name="l00285"></a>00285 {
<a name="l00286"></a>00286 updateRegisteredStatus();
<a name="l00287"></a>00287 <span class="keywordtype">bool</span> err = <span class="keyword">false</span>;
<a name="l00288"></a>00288 <span class="keywordflow">switch</span> (mStatus)
<a name="l00289"></a>00289 {
<a name="l00290"></a>00290 <span class="keywordflow">case</span> STOPPED:
<a name="l00291"></a>00291 <span class="keywordflow">if</span> (--mStartTimeout > 0)
<a name="l00292"></a>00292 <span class="keywordflow">return</span>; <span class="comment">// wait a bit more to check again</span>
<a name="l00293"></a>00293 <span class="comment">// Output error message, but delete timer first to prevent</span>
<a name="l00294"></a>00294 <span class="comment">// multiple messages.</span>
<a name="l00295"></a>00295 err = <span class="keyword">true</span>;
<a name="l00296"></a>00296 <span class="keywordflow">break</span>;
<a name="l00297"></a>00297 <span class="keywordflow">case</span> RUNNING:
<a name="l00298"></a>00298 <span class="keywordflow">case</span> READY:
<a name="l00299"></a>00299 <span class="keywordflow">case</span> REGISTERED:
<a name="l00300"></a>00300 <span class="keywordflow">break</span>;
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 <span class="keyword">delete</span> mStartTimer;
<a name="l00303"></a>00303 mStartTimer = 0;
<a name="l00304"></a>00304 <span class="keywordflow">if</span> (err)
<a name="l00305"></a>00305 {
<a name="l00306"></a>00306 kdError(5950) << <span class="stringliteral">"Daemon::checkIfStarted(): failed to start daemon"</span> << endl;
<a name="l00307"></a>00307 KMessageBox::error(0, i18n(<span class="stringliteral">"Cannot enable alarms:\nFailed to start Alarm Daemon (%1)"</span>).arg(QString::fromLatin1(DAEMON_APP_NAME)));
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <span class="comment">/******************************************************************************</span>
<a name="l00312"></a>00312 <span class="comment">* Check whether the alarm daemon has started yet, and if so, whether it is</span>
<a name="l00313"></a>00313 <span class="comment">* ready to accept DCOP calls.</span>
<a name="l00314"></a>00314 <span class="comment">*/</span>
<a name="l00315"></a>00315 <span class="keywordtype">void</span> Daemon::updateRegisteredStatus(<span class="keywordtype">bool</span> timeout)
<a name="l00316"></a>00316 {
<a name="l00317"></a>00317 <span class="keywordflow">if</span> (!kapp->dcopClient()->isApplicationRegistered(DAEMON_APP_NAME))
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 mStatus = STOPPED;
<a name="l00320"></a>00320 mRegisterFailMsg = <span class="keyword">false</span>;
<a name="l00321"></a>00321 }
<a name="l00322"></a>00322 <span class="keywordflow">else</span>
<a name="l00323"></a>00323 {
<a name="l00324"></a>00324 <span class="keywordflow">switch</span> (mStatus)
<a name="l00325"></a>00325 {
<a name="l00326"></a>00326 <span class="keywordflow">case</span> STOPPED:
<a name="l00327"></a>00327 <span class="comment">// The daemon has newly been detected as registered with DCOP.</span>
<a name="l00328"></a>00328 <span class="comment">// Wait for a short time to ensure that it is ready for DCOP calls.</span>
<a name="l00329"></a>00329 mStatus = RUNNING;
<a name="l00330"></a>00330 QTimer::singleShot(startCheckInterval, mInstance, SLOT(slotStarted()));
<a name="l00331"></a>00331 <span class="keywordflow">break</span>;
<a name="l00332"></a>00332 <span class="keywordflow">case</span> RUNNING:
<a name="l00333"></a>00333 <span class="keywordflow">if</span> (timeout)
<a name="l00334"></a>00334 {
<a name="l00335"></a>00335 mStatus = READY;
<a name="l00336"></a>00336 start();
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338 <span class="keywordflow">break</span>;
<a name="l00339"></a>00339 <span class="keywordflow">case</span> READY:
<a name="l00340"></a>00340 <span class="keywordflow">case</span> REGISTERED:
<a name="l00341"></a>00341 <span class="keywordflow">break</span>;
<a name="l00342"></a>00342 }
<a name="l00343"></a>00343 }
<a name="l00344"></a>00344 kdDebug(5950) << <span class="stringliteral">"Daemon::updateRegisteredStatus() -> "</span> << mStatus << endl;
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346
<a name="l00347"></a>00347 <span class="comment">/******************************************************************************</span>
<a name="l00348"></a>00348 <span class="comment">* Stop the alarm daemon if it is running.</span>
<a name="l00349"></a>00349 <span class="comment">*/</span>
<a name="l00350"></a>00350 <span class="keywordtype">bool</span> Daemon::stop()
<a name="l00351"></a>00351 {
<a name="l00352"></a>00352 kdDebug(5950) << <span class="stringliteral">"Daemon::stop()"</span> << endl;
<a name="l00353"></a>00353 <span class="keywordflow">if</span> (kapp->dcopClient()->isApplicationRegistered(DAEMON_APP_NAME))
<a name="l00354"></a>00354 {
<a name="l00355"></a>00355 AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
<a name="l00356"></a>00356 s.quit();
<a name="l00357"></a>00357 <span class="keywordflow">if</span> (!s.ok())
<a name="l00358"></a>00358 {
<a name="l00359"></a>00359 kdError(5950) << <span class="stringliteral">"Daemon::stop(): dcop call failed"</span> << endl;
<a name="l00360"></a>00360 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362 }
<a name="l00363"></a>00363 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00364"></a>00364 }
<a name="l00365"></a>00365
<a name="l00366"></a>00366 <span class="comment">/******************************************************************************</span>
<a name="l00367"></a>00367 <span class="comment">* Reset the alarm daemon.</span>
<a name="l00368"></a>00368 <span class="comment">* Reply = true if daemon was told to reset</span>
<a name="l00369"></a>00369 <span class="comment">* = false if daemon is not running.</span>
<a name="l00370"></a>00370 <span class="comment">*/</span>
<a name="l00371"></a>00371 <span class="keywordtype">bool</span> Daemon::reset()
<a name="l00372"></a>00372 {
<a name="l00373"></a>00373 kdDebug(5950) << <span class="stringliteral">"Daemon::reset()"</span> << endl;
<a name="l00374"></a>00374 <span class="keywordflow">if</span> (!kapp->dcopClient()->isApplicationRegistered(DAEMON_APP_NAME))
<a name="l00375"></a>00375 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00376"></a>00376 AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
<a name="l00377"></a>00377 s.resetCalendar(QCString(kapp->aboutData()->appName()), AlarmCalendar::activeCalendar()->urlString());
<a name="l00378"></a>00378 <span class="keywordflow">if</span> (!s.ok())
<a name="l00379"></a>00379 kdError(5950) << <span class="stringliteral">"Daemon::reset(): resetCalendar dcop send failed"</span> << endl;
<a name="l00380"></a>00380 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382
<a name="l00383"></a>00383 <span class="comment">/******************************************************************************</span>
<a name="l00384"></a>00384 <span class="comment">* Tell the alarm daemon to reread the calendar file.</span>
<a name="l00385"></a>00385 <span class="comment">*/</span>
<a name="l00386"></a>00386 <span class="keywordtype">void</span> Daemon::reload()
<a name="l00387"></a>00387 {
<a name="l00388"></a>00388 kdDebug(5950) << <span class="stringliteral">"Daemon::reload()\n"</span>;
<a name="l00389"></a>00389 AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
<a name="l00390"></a>00390 s.reloadCalendar(QCString(kapp->aboutData()->appName()), AlarmCalendar::activeCalendar()->urlString());
<a name="l00391"></a>00391 <span class="keywordflow">if</span> (!s.ok())
<a name="l00392"></a>00392 kdError(5950) << <span class="stringliteral">"Daemon::reload(): reloadCalendar dcop send failed"</span> << endl;
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394
<a name="l00395"></a>00395 <span class="comment">/******************************************************************************</span>
<a name="l00396"></a>00396 <span class="comment">* Tell the alarm daemon to enable/disable monitoring of the calendar file.</span>
<a name="l00397"></a>00397 <span class="comment">*/</span>
<a name="l00398"></a>00398 <span class="keywordtype">void</span> Daemon::enableCalendar(<span class="keywordtype">bool</span> enable)
<a name="l00399"></a>00399 {
<a name="l00400"></a>00400 AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
<a name="l00401"></a>00401 s.enableCalendar(AlarmCalendar::activeCalendar()->urlString(), enable);
<a name="l00402"></a>00402 mEnableCalPending = <span class="keyword">false</span>;
<a name="l00403"></a>00403 }
<a name="l00404"></a>00404
<a name="l00405"></a>00405 <span class="comment">/******************************************************************************</span>
<a name="l00406"></a>00406 <span class="comment">* Tell the alarm daemon to enable/disable autostart at login.</span>
<a name="l00407"></a>00407 <span class="comment">*/</span>
<a name="l00408"></a>00408 <span class="keywordtype">void</span> Daemon::enableAutoStart(<span class="keywordtype">bool</span> enable)
<a name="l00409"></a>00409 {
<a name="l00410"></a>00410 <span class="comment">// Tell the alarm daemon in case it is running.</span>
<a name="l00411"></a>00411 AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
<a name="l00412"></a>00412 s.enableAutoStart(enable);
<a name="l00413"></a>00413
<a name="l00414"></a>00414 <span class="comment">// The return status doesn't report failure even if the daemon isn't running,</span>
<a name="l00415"></a>00415 <span class="comment">// so in case of failure, rewrite the config file in any case.</span>
<a name="l00416"></a>00416 KConfig adconfig(locate(<span class="stringliteral">"config"</span>, DAEMON_APP_NAME<span class="stringliteral">"rc"</span>));
<a name="l00417"></a>00417 adconfig.setGroup(QString::fromLatin1(DAEMON_AUTOSTART_SECTION));
<a name="l00418"></a>00418 adconfig.writeEntry(QString::fromLatin1(DAEMON_AUTOSTART_KEY), enable);
<a name="l00419"></a>00419 adconfig.sync();
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421
<a name="l00422"></a>00422 <span class="comment">/******************************************************************************</span>
<a name="l00423"></a>00423 <span class="comment">* Notify the alarm daemon that the start-of-day time for date-only alarms has</span>
<a name="l00424"></a>00424 <span class="comment">* changed.</span>
<a name="l00425"></a>00425 <span class="comment">*/</span>
<a name="l00426"></a>00426 <span class="keywordtype">void</span> Daemon::notifyTimeChanged()
<a name="l00427"></a>00427 {
<a name="l00428"></a>00428 AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
<a name="l00429"></a>00429 s.timeConfigChanged();
<a name="l00430"></a>00430 <span class="keywordflow">if</span> (!s.ok())
<a name="l00431"></a>00431 kdError(5950) << <span class="stringliteral">"Daemon::timeConfigChanged(): dcop send failed"</span> << endl;
<a name="l00432"></a>00432 }
<a name="l00433"></a>00433
<a name="l00434"></a>00434 <span class="comment">/******************************************************************************</span>
<a name="l00435"></a>00435 <span class="comment">* Read the alarm daemon's autostart-at-login setting.</span>
<a name="l00436"></a>00436 <span class="comment">*/</span>
<a name="l00437"></a>00437 <span class="keywordtype">bool</span> Daemon::autoStart()
<a name="l00438"></a>00438 {
<a name="l00439"></a>00439 KConfig adconfig(locate(<span class="stringliteral">"config"</span>, DAEMON_APP_NAME<span class="stringliteral">"rc"</span>));
<a name="l00440"></a>00440 adconfig.setGroup(QString::fromLatin1(DAEMON_AUTOSTART_SECTION));
<a name="l00441"></a>00441 <span class="keywordflow">return</span> adconfig.readBoolEntry(QString::fromLatin1(DAEMON_AUTOSTART_KEY), <span class="keyword">true</span>);
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443
<a name="l00444"></a>00444 <span class="comment">/******************************************************************************</span>
<a name="l00445"></a>00445 <span class="comment">* Notification that the alarm daemon has enabled/disabled monitoring of the</span>
<a name="l00446"></a>00446 <span class="comment">* calendar file.</span>
<a name="l00447"></a>00447 <span class="comment">*/</span>
<a name="l00448"></a>00448 <span class="keywordtype">void</span> Daemon::calendarIsEnabled(<span class="keywordtype">bool</span> enabled)
<a name="l00449"></a>00449 {
<a name="l00450"></a>00450 mCalendarDisabled = !enabled;
<a name="l00451"></a>00451 emit mInstance->daemonRunning(enabled);
<a name="l00452"></a>00452 }
<a name="l00453"></a>00453
<a name="l00454"></a>00454 <span class="comment">/******************************************************************************</span>
<a name="l00455"></a>00455 <span class="comment">* Tell the alarm daemon to stop or start monitoring the calendar file as</span>
<a name="l00456"></a>00456 <span class="comment">* appropriate.</span>
<a name="l00457"></a>00457 <span class="comment">*/</span>
<a name="l00458"></a>00458 <span class="keywordtype">void</span> Daemon::setAlarmsEnabled(<span class="keywordtype">bool</span> enable)
<a name="l00459"></a>00459 {
<a name="l00460"></a>00460 kdDebug(5950) << <span class="stringliteral">"Daemon::setAlarmsEnabled("</span> << enable << <span class="stringliteral">")\n"</span>;
<a name="l00461"></a>00461 <span class="keywordflow">if</span> (enable && !checkIfRunning())
<a name="l00462"></a>00462 {
<a name="l00463"></a>00463 <span class="comment">// The daemon is not running, so start it</span>
<a name="l00464"></a>00464 <span class="keywordflow">if</span> (!start())
<a name="l00465"></a>00465 {
<a name="l00466"></a>00466 emit daemonRunning(<span class="keyword">false</span>);
<a name="l00467"></a>00467 <span class="keywordflow">return</span>;
<a name="l00468"></a>00468 }
<a name="l00469"></a>00469 mEnableCalPending = <span class="keyword">true</span>;
<a name="l00470"></a>00470 setFastCheck();
<a name="l00471"></a>00471 }
<a name="l00472"></a>00472
<a name="l00473"></a>00473 <span class="comment">// If the daemon is now running, tell it to enable/disable the calendar</span>
<a name="l00474"></a>00474 <span class="keywordflow">if</span> (checkIfRunning())
<a name="l00475"></a>00475 enableCalendar(enable);
<a name="l00476"></a>00476 }
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <span class="comment">/******************************************************************************</span>
<a name="l00479"></a>00479 <span class="comment">* Return whether the alarm daemon is monitoring alarms.</span>
<a name="l00480"></a>00480 <span class="comment">*/</span>
<a name="l00481"></a>00481 <span class="keywordtype">bool</span> Daemon::monitoringAlarms()
<a name="l00482"></a>00482 {
<a name="l00483"></a>00483 <span class="keywordtype">bool</span> ok = !mCalendarDisabled && isRunning();
<a name="l00484"></a>00484 emit mInstance->daemonRunning(ok);
<a name="l00485"></a>00485 <span class="keywordflow">return</span> ok;
<a name="l00486"></a>00486 }
<a name="l00487"></a>00487
<a name="l00488"></a>00488 <span class="comment">/******************************************************************************</span>
<a name="l00489"></a>00489 <span class="comment">* Check whether the alarm daemon is currently running and available.</span>
<a name="l00490"></a>00490 <span class="comment">*/</span>
<a name="l00491"></a>00491 <span class="keywordtype">bool</span> Daemon::isRunning(<span class="keywordtype">bool</span> startdaemon)
<a name="l00492"></a>00492 {
<a name="l00493"></a>00493 <span class="keyword">static</span> <span class="keywordtype">bool</span> runState = <span class="keyword">false</span>;
<a name="l00494"></a>00494 updateRegisteredStatus();
<a name="l00495"></a>00495 <span class="keywordtype">bool</span> newRunState = (mStatus == READY || mStatus == REGISTERED);
<a name="l00496"></a>00496 <span class="keywordflow">if</span> (newRunState != runState)
<a name="l00497"></a>00497 {
<a name="l00498"></a>00498 <span class="comment">// Daemon's status has changed</span>
<a name="l00499"></a>00499 runState = newRunState;
<a name="l00500"></a>00500 <span class="keywordflow">if</span> (runState && startdaemon)
<a name="l00501"></a>00501 start(); <span class="comment">// re-register with the daemon</span>
<a name="l00502"></a>00502 }
<a name="l00503"></a>00503 <span class="keywordflow">return</span> runState && (mStatus == REGISTERED);
<a name="l00504"></a>00504 }
<a name="l00505"></a>00505
<a name="l00506"></a>00506 <span class="comment">/******************************************************************************</span>
<a name="l00507"></a>00507 <span class="comment">* Called by the timer to check whether the daemon is running.</span>
<a name="l00508"></a>00508 <span class="comment">*/</span>
<a name="l00509"></a>00509 <span class="keywordtype">void</span> Daemon::timerCheckIfRunning()
<a name="l00510"></a>00510 {
<a name="l00511"></a>00511 checkIfRunning();
<a name="l00512"></a>00512 <span class="comment">// Limit how long we check at the fast rate</span>
<a name="l00513"></a>00513 <span class="keywordflow">if</span> (mStatusTimerCount > 0 && --mStatusTimerCount <= 0)
<a name="l00514"></a>00514 mStatusTimer->changeInterval(mStatusTimerInterval * 1000);
<a name="l00515"></a>00515 }
<a name="l00516"></a>00516
<a name="l00517"></a>00517 <span class="comment">/******************************************************************************</span>
<a name="l00518"></a>00518 <span class="comment">* Check whether the alarm daemon is currently running.</span>
<a name="l00519"></a>00519 <span class="comment">* If its status has changed, trigger GUI updates.</span>
<a name="l00520"></a>00520 <span class="comment">*/</span>
<a name="l00521"></a>00521 <span class="keywordtype">bool</span> Daemon::checkIfRunning()
<a name="l00522"></a>00522 {
<a name="l00523"></a>00523 <span class="keywordtype">bool</span> newstatus = isRunning();
<a name="l00524"></a>00524 <span class="keywordflow">if</span> (newstatus != mRunning)
<a name="l00525"></a>00525 {
<a name="l00526"></a>00526 mRunning = newstatus;
<a name="l00527"></a>00527 <span class="keywordtype">int</span> status = mRunning && !mCalendarDisabled;
<a name="l00528"></a>00528 emit mInstance->daemonRunning(status);
<a name="l00529"></a>00529 mStatusTimer->changeInterval(mStatusTimerInterval * 1000); <span class="comment">// exit from fast checking</span>
<a name="l00530"></a>00530 mStatusTimerCount = 0;
<a name="l00531"></a>00531 <span class="keywordflow">if</span> (mRunning)
<a name="l00532"></a>00532 {
<a name="l00533"></a>00533 <span class="comment">// The alarm daemon has started up</span>
<a name="l00534"></a>00534 <span class="keywordflow">if</span> (mEnableCalPending)
<a name="l00535"></a>00535 enableCalendar(<span class="keyword">true</span>); <span class="comment">// tell it to monitor the calendar, if appropriate</span>
<a name="l00536"></a>00536 }
<a name="l00537"></a>00537 }
<a name="l00538"></a>00538 <span class="keywordflow">return</span> mRunning;
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540
<a name="l00541"></a>00541 <span class="comment">/******************************************************************************</span>
<a name="l00542"></a>00542 <span class="comment">* Starts checking at a faster rate whether the daemon is running.</span>
<a name="l00543"></a>00543 <span class="comment">*/</span>
<a name="l00544"></a>00544 <span class="keywordtype">void</span> Daemon::setFastCheck()
<a name="l00545"></a>00545 {
<a name="l00546"></a>00546 mStatusTimer->start(500); <span class="comment">// check new status every half second</span>
<a name="l00547"></a>00547 mStatusTimerCount = 20; <span class="comment">// don't check at this rate for more than 10 seconds</span>
<a name="l00548"></a>00548 }
<a name="l00549"></a>00549
<a name="l00550"></a>00550 <span class="comment">/******************************************************************************</span>
<a name="l00551"></a>00551 <span class="comment">* Called when a program setting has changed.</span>
<a name="l00552"></a>00552 <span class="comment">* If the system tray icon update interval has changed, reset the timer.</span>
<a name="l00553"></a>00553 <span class="comment">*/</span>
<a name="l00554"></a>00554 <span class="keywordtype">void</span> Daemon::slotPreferencesChanged()
<a name="l00555"></a>00555 {
<a name="l00556"></a>00556 <span class="keywordtype">int</span> newInterval = Preferences::daemonTrayCheckInterval();
<a name="l00557"></a>00557 <span class="keywordflow">if</span> (newInterval != mStatusTimerInterval)
<a name="l00558"></a>00558 {
<a name="l00559"></a>00559 <span class="comment">// Daemon check interval has changed</span>
<a name="l00560"></a>00560 mStatusTimerInterval = newInterval;
<a name="l00561"></a>00561 <span class="keywordflow">if</span> (mStatusTimerCount <= 0) <span class="comment">// don't change if on fast rate</span>
<a name="l00562"></a>00562 mStatusTimer->changeInterval(mStatusTimerInterval * 1000);
<a name="l00563"></a>00563 }
<a name="l00564"></a>00564 }
<a name="l00565"></a>00565
<a name="l00566"></a>00566 <span class="comment">/******************************************************************************</span>
<a name="l00567"></a>00567 <span class="comment">* Create an "Alarms Enabled/Enable Alarms" action.</span>
<a name="l00568"></a>00568 <span class="comment">*/</span>
<a name="l00569"></a>00569 AlarmEnableAction* Daemon::createAlarmEnableAction(KActionCollection* actions, <span class="keyword">const</span> <span class="keywordtype">char</span>* name)
<a name="l00570"></a>00570 {
<a name="l00571"></a>00571 AlarmEnableAction* a = <span class="keyword">new</span> AlarmEnableAction(0, actions, name);
<a name="l00572"></a>00572 connect(a, SIGNAL(userClicked(<span class="keywordtype">bool</span>)), mInstance, SLOT(setAlarmsEnabled(<span class="keywordtype">bool</span>)));
<a name="l00573"></a>00573 connect(mInstance, SIGNAL(daemonRunning(<span class="keywordtype">bool</span>)), a, SLOT(setCheckedActual(<span class="keywordtype">bool</span>)));
<a name="l00574"></a>00574 <span class="keywordflow">return</span> a;
<a name="l00575"></a>00575 }
<a name="l00576"></a>00576
<a name="l00577"></a>00577 <span class="comment">/******************************************************************************</span>
<a name="l00578"></a>00578 <span class="comment">* Called when a calendar has been saved.</span>
<a name="l00579"></a>00579 <span class="comment">* If it's the active alarm calendar, notify the alarm daemon.</span>
<a name="l00580"></a>00580 <span class="comment">*/</span>
<a name="l00581"></a>00581 <span class="keywordtype">void</span> Daemon::slotCalendarSaved(<a class="code" href="classAlarmCalendar.html" title="Provides read and write access to calendar files.">AlarmCalendar</a>* cal)
<a name="l00582"></a>00582 {
<a name="l00583"></a>00583 <span class="keywordflow">if</span> (cal == AlarmCalendar::activeCalendar())
<a name="l00584"></a>00584 {
<a name="l00585"></a>00585 <span class="keywordtype">int</span> n = mSavingEvents.count();
<a name="l00586"></a>00586 <span class="keywordflow">if</span> (n)
<a name="l00587"></a>00587 {
<a name="l00588"></a>00588 <span class="comment">// We have just saved a modified event originally triggered by the daemon.</span>
<a name="l00589"></a>00589 <span class="comment">// Notify the daemon of the event, and tell it to reload the calendar.</span>
<a name="l00590"></a>00590 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n - 1; ++i)
<a name="l00591"></a>00591 notifyEventHandled(mSavingEvents[i], <span class="keyword">false</span>);
<a name="l00592"></a>00592 notifyEventHandled(mSavingEvents[n - 1], <span class="keyword">true</span>);
<a name="l00593"></a>00593 mSavingEvents.clear();
<a name="l00594"></a>00594 }
<a name="l00595"></a>00595 <span class="keywordflow">else</span>
<a name="l00596"></a>00596 reload();
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598 }
<a name="l00599"></a>00599
<a name="l00600"></a>00600 <span class="comment">/******************************************************************************</span>
<a name="l00601"></a>00601 <span class="comment">* Note an event ID which has been triggered by the alarm daemon.</span>
<a name="l00602"></a>00602 <span class="comment">*/</span>
<a name="l00603"></a>00603 <span class="keywordtype">void</span> Daemon::queueEvent(<span class="keyword">const</span> QString& eventId)
<a name="l00604"></a>00604 {
<a name="l00605"></a>00605 mQueuedEvents += eventId;
<a name="l00606"></a>00606 }
<a name="l00607"></a>00607
<a name="l00608"></a>00608 <span class="comment">/******************************************************************************</span>
<a name="l00609"></a>00609 <span class="comment">* Note an event ID which is currently being saved in the calendar file, if the</span>
<a name="l00610"></a>00610 <span class="comment">* event was originally triggered by the alarm daemon.</span>
<a name="l00611"></a>00611 <span class="comment">*/</span>
<a name="l00612"></a>00612 <span class="keywordtype">void</span> Daemon::savingEvent(<span class="keyword">const</span> QString& eventId)
<a name="l00613"></a>00613 {
<a name="l00614"></a>00614 <span class="keywordflow">if</span> (mQueuedEvents.remove(eventId) > 0)
<a name="l00615"></a>00615 mSavingEvents += eventId;
<a name="l00616"></a>00616 }
<a name="l00617"></a>00617
<a name="l00618"></a>00618 <span class="comment">/******************************************************************************</span>
<a name="l00619"></a>00619 <span class="comment">* If the event ID has been triggered by the alarm daemon, tell the daemon that</span>
<a name="l00620"></a>00620 <span class="comment">* it has been processed, and whether to reload its calendar.</span>
<a name="l00621"></a>00621 <span class="comment">*/</span>
<a name="l00622"></a>00622 <span class="keywordtype">void</span> Daemon::eventHandled(<span class="keyword">const</span> QString& eventId, <span class="keywordtype">bool</span> reloadCal)
<a name="l00623"></a>00623 {
<a name="l00624"></a>00624 <span class="keywordflow">if</span> (mQueuedEvents.remove(eventId) > 0)
<a name="l00625"></a>00625 notifyEventHandled(eventId, reloadCal); <span class="comment">// it's a daemon event, so tell daemon that it's been handled</span>
<a name="l00626"></a>00626 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (reloadCal)
<a name="l00627"></a>00627 reload(); <span class="comment">// not a daemon event, so simply tell the daemon to reload the calendar</span>
<a name="l00628"></a>00628 }
<a name="l00629"></a>00629
<a name="l00630"></a>00630 <span class="comment">/******************************************************************************</span>
<a name="l00631"></a>00631 <span class="comment">* Tell the daemon that an event has been processed, and whether to reload its</span>
<a name="l00632"></a>00632 <span class="comment">* calendar.</span>
<a name="l00633"></a>00633 <span class="comment">*/</span>
<a name="l00634"></a>00634 <span class="keywordtype">void</span> Daemon::notifyEventHandled(<span class="keyword">const</span> QString& eventId, <span class="keywordtype">bool</span> reloadCal)
<a name="l00635"></a>00635 {
<a name="l00636"></a>00636 kdDebug(5950) << <span class="stringliteral">"Daemon::notifyEventHandled("</span> << eventId << (reloadCal ? <span class="stringliteral">"): reload"</span> : <span class="stringliteral">")"</span>) << endl;
<a name="l00637"></a>00637 AlarmDaemonIface_stub s(DAEMON_APP_NAME, DAEMON_DCOP_OBJECT);
<a name="l00638"></a>00638 s.eventHandled(QCString(kapp->aboutData()->appName()), AlarmCalendar::activeCalendar()->urlString(), eventId, reloadCal);
<a name="l00639"></a>00639 <span class="keywordflow">if</span> (!s.ok())
<a name="l00640"></a>00640 kdError(5950) << <span class="stringliteral">"Daemon::notifyEventHandled(): eventHandled dcop send failed"</span> << endl;
<a name="l00641"></a>00641 }
<a name="l00642"></a>00642
<a name="l00643"></a>00643 <span class="comment">/******************************************************************************</span>
<a name="l00644"></a>00644 <span class="comment">* Return the maximum time (in seconds) elapsed since the last time the alarm</span>
<a name="l00645"></a>00645 <span class="comment">* daemon must have checked alarms.</span>
<a name="l00646"></a>00646 <span class="comment">*/</span>
<a name="l00647"></a>00647 <span class="keywordtype">int</span> Daemon::maxTimeSinceCheck()
<a name="l00648"></a>00648 {
<a name="l00649"></a>00649 <span class="keywordflow">return</span> DAEMON_CHECK_INTERVAL;
<a name="l00650"></a>00650 }
<a name="l00651"></a>00651
<a name="l00652"></a>00652
<a name="l00653"></a>00653 <span class="comment">/*=============================================================================</span>
<a name="l00654"></a>00654 <span class="comment">= Class: NotificationHandler</span>
<a name="l00655"></a>00655 <span class="comment">=============================================================================*/</span>
<a name="l00656"></a>00656
<a name="l00657"></a>00657 NotificationHandler::NotificationHandler()
<a name="l00658"></a>00658 : DCOPObject(NOTIFY_DCOP_OBJECT),
<a name="l00659"></a>00659 QObject()
<a name="l00660"></a>00660 {
<a name="l00661"></a>00661 kdDebug(5950) << <span class="stringliteral">"NotificationHandler::NotificationHandler()\n"</span>;
<a name="l00662"></a>00662 }
<a name="l00663"></a>00663
<a name="l00664"></a>00664 <span class="comment">/******************************************************************************</span>
<a name="l00665"></a>00665 <span class="comment"> * DCOP call from the alarm daemon to notify a change.</span>
<a name="l00666"></a>00666 <span class="comment"> * The daemon notifies calendar statuses when we first register as a GUI, and whenever</span>
<a name="l00667"></a>00667 <span class="comment"> * a calendar status changes. So we don't need to read its config files.</span>
<a name="l00668"></a>00668 <span class="comment"> */</span>
<a name="l00669"></a>00669 <span class="keywordtype">void</span> NotificationHandler::alarmDaemonUpdate(<span class="keywordtype">int</span> calendarStatus, <span class="keyword">const</span> QString& calendarURL)
<a name="l00670"></a>00670 {
<a name="l00671"></a>00671 kdDebug(5950) << <span class="stringliteral">"NotificationHandler::alarmDaemonUpdate("</span> << calendarStatus << <span class="stringliteral">")\n"</span>;
<a name="l00672"></a>00672 KAlarmd::CalendarStatus status = KAlarmd::CalendarStatus(calendarStatus);
<a name="l00673"></a>00673 <span class="keywordflow">if</span> (expandURL(calendarURL) != AlarmCalendar::activeCalendar()->urlString())
<a name="l00674"></a>00674 <span class="keywordflow">return</span>; <span class="comment">// it's not a notification about KAlarm's calendar</span>
<a name="l00675"></a>00675 <span class="keywordtype">bool</span> enabled = <span class="keyword">false</span>;
<a name="l00676"></a>00676 <span class="keywordflow">switch</span> (status)
<a name="l00677"></a>00677 {
<a name="l00678"></a>00678 <span class="keywordflow">case</span> KAlarmd::CALENDAR_UNAVAILABLE:
<a name="l00679"></a>00679 <span class="comment">// Calendar is not available for monitoring</span>
<a name="l00680"></a>00680 kdDebug(5950) << <span class="stringliteral">"NotificationHandler::alarmDaemonUpdate(CALENDAR_UNAVAILABLE)\n"</span>;
<a name="l00681"></a>00681 <span class="keywordflow">break</span>;
<a name="l00682"></a>00682 <span class="keywordflow">case</span> KAlarmd::CALENDAR_DISABLED:
<a name="l00683"></a>00683 <span class="comment">// Calendar is available for monitoring but is not currently being monitored</span>
<a name="l00684"></a>00684 kdDebug(5950) << <span class="stringliteral">"NotificationHandler::alarmDaemonUpdate(DISABLE_CALENDAR)\n"</span>;
<a name="l00685"></a>00685 <span class="keywordflow">break</span>;
<a name="l00686"></a>00686 <span class="keywordflow">case</span> KAlarmd::CALENDAR_ENABLED:
<a name="l00687"></a>00687 <span class="comment">// Calendar is currently being monitored</span>
<a name="l00688"></a>00688 kdDebug(5950) << <span class="stringliteral">"NotificationHandler::alarmDaemonUpdate(ENABLE_CALENDAR)\n"</span>;
<a name="l00689"></a>00689 enabled = <span class="keyword">true</span>;
<a name="l00690"></a>00690 <span class="keywordflow">break</span>;
<a name="l00691"></a>00691 <span class="keywordflow">default</span>:
<a name="l00692"></a>00692 <span class="keywordflow">return</span>;
<a name="l00693"></a>00693 }
<a name="l00694"></a>00694 Daemon::calendarIsEnabled(enabled);
<a name="l00695"></a>00695 }
<a name="l00696"></a>00696
<a name="l00697"></a>00697 <span class="comment">/******************************************************************************</span>
<a name="l00698"></a>00698 <span class="comment"> * DCOP call from the alarm daemon to notify that an alarm is due.</span>
<a name="l00699"></a>00699 <span class="comment"> */</span>
<a name="l00700"></a>00700 <span class="keywordtype">void</span> NotificationHandler::handleEvent(<span class="keyword">const</span> QString& url, <span class="keyword">const</span> QString& eventId)
<a name="l00701"></a>00701 {
<a name="l00702"></a>00702 QString <span class="keywordtype">id</span> = eventId;
<a name="l00703"></a>00703 <span class="keywordflow">if</span> (<span class="keywordtype">id</span>.startsWith(QString::fromLatin1(<span class="stringliteral">"ad:"</span>)))
<a name="l00704"></a>00704 {
<a name="l00705"></a>00705 <span class="comment">// It's a notification from the alarm deamon</span>
<a name="l00706"></a>00706 <span class="keywordtype">id</span> = <span class="keywordtype">id</span>.mid(3);
<a name="l00707"></a>00707 Daemon::queueEvent(<span class="keywordtype">id</span>);
<a name="l00708"></a>00708 }
<a name="l00709"></a>00709 theApp()->handleEvent(url, <span class="keywordtype">id</span>);
<a name="l00710"></a>00710 }
<a name="l00711"></a>00711
<a name="l00712"></a>00712 <span class="comment">/******************************************************************************</span>
<a name="l00713"></a>00713 <span class="comment"> * DCOP call from the alarm daemon to notify the success or failure of a</span>
<a name="l00714"></a>00714 <span class="comment"> * registration request from KAlarm.</span>
<a name="l00715"></a>00715 <span class="comment"> */</span>
<a name="l00716"></a>00716 <span class="keywordtype">void</span> NotificationHandler::registered(<span class="keywordtype">bool</span> reregister, <span class="keywordtype">int</span> result, <span class="keywordtype">int</span> version)
<a name="l00717"></a>00717 {
<a name="l00718"></a>00718 Daemon::registrationResult(reregister, result, version);
<a name="l00719"></a>00719 }
<a name="l00720"></a>00720
<a name="l00721"></a>00721
<a name="l00722"></a>00722 <span class="comment">/*=============================================================================</span>
<a name="l00723"></a>00723 <span class="comment">= Class: AlarmEnableAction</span>
<a name="l00724"></a>00724 <span class="comment">=============================================================================*/</span>
<a name="l00725"></a>00725
<a name="l00726"></a>00726 AlarmEnableAction::AlarmEnableAction(<span class="keywordtype">int</span> accel, QObject* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name)
<a name="l00727"></a>00727 : KToggleAction(i18n(<span class="stringliteral">"Enable &Alarms"</span>), accel, parent, name),
<a name="l00728"></a>00728 mInitialised(false)
<a name="l00729"></a>00729 {
<a name="l00730"></a>00730 setCheckedState(i18n(<span class="stringliteral">"Disable &Alarms"</span>));
<a name="l00731"></a>00731 setCheckedActual(<span class="keyword">false</span>); <span class="comment">// set the correct text</span>
<a name="l00732"></a>00732 mInitialised = <span class="keyword">true</span>;
<a name="l00733"></a>00733 }
<a name="l00734"></a>00734
<a name="l00735"></a>00735 <span class="comment">/******************************************************************************</span>
<a name="l00736"></a>00736 <span class="comment">* Set the checked status and the correct text for the Alarms Enabled action.</span>
<a name="l00737"></a>00737 <span class="comment">*/</span>
<a name="l00738"></a>00738 <span class="keywordtype">void</span> AlarmEnableAction::setCheckedActual(<span class="keywordtype">bool</span> running)
<a name="l00739"></a>00739 {
<a name="l00740"></a>00740 kdDebug(5950) << <span class="stringliteral">"AlarmEnableAction::setCheckedActual("</span> << running << <span class="stringliteral">")\n"</span>;
<a name="l00741"></a>00741 <span class="keywordflow">if</span> (running != isChecked() || !mInitialised)
<a name="l00742"></a>00742 {
<a name="l00743"></a>00743 KToggleAction::setChecked(running);
<a name="l00744"></a>00744 emit switched(running);
<a name="l00745"></a>00745 }
<a name="l00746"></a>00746 }
<a name="l00747"></a>00747
<a name="l00748"></a>00748 <span class="comment">/******************************************************************************</span>
<a name="l00749"></a>00749 <span class="comment">* Request a change in the checked status.</span>
<a name="l00750"></a>00750 <span class="comment">* The status is only actually changed when the alarm daemon run state changes.</span>
<a name="l00751"></a>00751 <span class="comment">*/</span>
<a name="l00752"></a>00752 <span class="keywordtype">void</span> AlarmEnableAction::setChecked(<span class="keywordtype">bool</span> check)
<a name="l00753"></a>00753 {
<a name="l00754"></a>00754 kdDebug(5950) << <span class="stringliteral">"AlarmEnableAction::setChecked("</span> << check << <span class="stringliteral">")\n"</span>;
<a name="l00755"></a>00755 <span class="keywordflow">if</span> (check != isChecked())
<a name="l00756"></a>00756 {
<a name="l00757"></a>00757 <span class="keywordflow">if</span> (check)
<a name="l00758"></a>00758 Daemon::allowRegisterFailMsg();
<a name="l00759"></a>00759 emit userClicked(check);
<a name="l00760"></a>00760 }
<a name="l00761"></a>00761 }
<a name="l00762"></a>00762
<a name="l00763"></a>00763
<a name="l00764"></a>00764 <span class="comment">/******************************************************************************</span>
<a name="l00765"></a>00765 <span class="comment"> * Expand a DCOP call parameter URL to a full URL.</span>
<a name="l00766"></a>00766 <span class="comment"> * (We must store full URLs in the calendar data since otherwise later calls to</span>
<a name="l00767"></a>00767 <span class="comment"> * reload or remove calendars won't necessarily find a match.)</span>
<a name="l00768"></a>00768 <span class="comment"> */</span>
<a name="l00769"></a>00769 QString expandURL(<span class="keyword">const</span> QString& urlString)
<a name="l00770"></a>00770 {
<a name="l00771"></a>00771 <span class="keywordflow">if</span> (urlString.isEmpty())
<a name="l00772"></a>00772 <span class="keywordflow">return</span> QString();
<a name="l00773"></a>00773 <span class="keywordflow">return</span> KURL(urlString).url();
<a name="l00774"></a>00774 }
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