summaryrefslogtreecommitdiffstats
path: root/arts/knotify/knotify.cpp
blob: 101c7967b9a7cab3d5d51cd7286414c75283d9b5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
/*
   Copyright (c) 1997 Christian Esken (esken@kde.org)
                 2000 Charles Samuels (charles@kde.org)
                 2000 Stefan Schimanski (1Stein@gmx.de)
                 2000 Matthias Ettrich (ettrich@kde.org)
                 2000 Waldo Bastian <bastian@kde.org>
                 2000-2003 Carsten Pfeiffer <pfeiffer@kde.org>

   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, 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.
*/

// C headers
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>

#include <config.h>
#ifndef WITHOUT_ARTS
// aRts headers
#include <connect.h>
#include <dispatcher.h>
#include <flowsystem.h>
#include <qiomanager.h>
#include <soundserver.h>
#endif

// QT headers
#include <tqfile.h>
#include <tqfileinfo.h>
#include <tqstringlist.h>
#include <tqtextstream.h>

// KDE headers
#include <dcopclient.h>
#include <tdeaboutdata.h>
#ifndef WITHOUT_ARTS
#include <kartsdispatcher.h>
#include <kartsserver.h>
#endif
#include <tdecmdlineargs.h>
#include <tdeconfig.h>
#include <kdebug.h>
#include <tdeglobal.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <kpassivepopup.h>
#include <kiconloader.h>
#include <kmacroexpander.h>
#ifndef WITHOUT_ARTS
#include <kplayobjectfactory.h>
#include <kaudiomanagerplay.h>
#endif
#include <kprocess.h>
#include <kstandarddirs.h>
#include <kuniqueapplication.h>
#include <twin.h>

#include "knotify.h"
#include "knotify.moc"

class KNotifyPrivate
{
	public:
		TDEConfig* globalEvents;
		TDEConfig* globalConfig;
		TQMap<TQString, TDEConfig*> events;
		TQMap<TQString, TDEConfig*> configs;
		TQString externalPlayer;
		TDEProcess *externalPlayerProc;
		
#ifndef WITHOUT_ARTS
		TQPtrList<KDE::PlayObject> playObjects;
		TQMap<KDE::PlayObject*,int> playObjectEventMap;
		KAudioManagerPlay *audioManager;
#endif
		int externalPlayerEventId;
		
		bool useExternal;
		bool useArts;
		int volume;
		TQTimer *playTimer;
		bool inStartup;
		TQString startupEvents;
};

// Yes, it's ugly to put this here, but this facilitates the cautious startup
// procedure.
#ifndef WITHOUT_ARTS
	KArtsServer *soundServer = 0;
#endif

extern "C"{
	KDE_EXPORT int kdemain(int argc, char **argv) {
		TDEAboutData aboutdata("knotify", I18N_NOOP("KNotify"),
					"3.0", I18N_NOOP("TDE Notification Server"),
					TDEAboutData::License_GPL, "(C) 1997-2003, KDE Developers");
		aboutdata.addAuthor("Carsten Pfeiffer",I18N_NOOP("Current Maintainer"),"pfeiffer@kde.org");
		aboutdata.addAuthor("Christian Esken",0,"esken@kde.org");
		aboutdata.addAuthor("Stefan Westerfeld",I18N_NOOP("Sound support"),"stefan@space.twc.de");
		aboutdata.addAuthor("Charles Samuels",I18N_NOOP("Previous Maintainer"),"charles@kde.org");
	
		TDECmdLineArgs::init( argc, argv, &aboutdata );
		KUniqueApplication::addCmdLineOptions();
	
		// initialize application
		if ( !KUniqueApplication::start() ) {
			kdDebug() << "Running knotify found" << endl;
			return 0;
		}
	
		KUniqueApplication app;
		app.disableSessionManagement();
	
		// KNotify is started on KDE startup and on demand (using
		// KNotifClient::startDaemon()) whenever a KNotify event occurs. Especially
		// KWin may fire many events (e.g. when a window pops up). When we have
		// problems with aRts or the installation, we might get an infinite loop
		// of knotify crashing, popping up the crashhandler window and twin firing
		// another event, starting knotify again...
		// We try to prevent this by tracking our startup and offer options to
		// abort this.

#ifndef WITHOUT_ARTS
		TDEConfigGroup config( TDEGlobal::config(), "StartProgress" );
		TDEConfig artsKCMConfig( "kcmartsrc" );
		artsKCMConfig.setGroup( "Arts" );
		bool useArts = artsKCMConfig.readBoolEntry( "StartServer", true );
		if (useArts) {
			useArts = config.readBoolEntry( "Use Arts", useArts );
		}
		bool ok = config.readBoolEntry( "Arts Init", true );
	
		if ( useArts && !ok ) {
			if ( KMessageBox::questionYesNo(
					0L,
					i18n("During the previous startup, KNotify crashed while creating "
					"Arts::Dispatcher. Do you want to try again or disable "
					"aRts sound output?\n\n"
					"If you choose to disable aRts output now, you can re-enable "
					"it later or select an alternate sound player "
					"in the System Notifications control panel."),
					i18n("KNotify Problem"),
					i18n("&Try Again"),
					i18n("D&isable aRts Output"),
					"KNotifyStartProgress",
					0 /* don't call KNotify :) */
					)
				== KMessageBox::No ) {
				useArts = false;
			}
		}
	
		// when ArtsDispatcher crashes, we know it the next start.
		config.writeEntry( "Arts Init", false );
		config.writeEntry( "Use Arts", useArts );
		config.sync();
	
		KArtsDispatcher *dispatcher = 0;
		if ( useArts ) {
			dispatcher = new KArtsDispatcher;
			soundServer = new KArtsServer;
		}
	
		// ok, seemed to work.
		config.writeEntry("Arts Init", useArts );
		config.sync();
	
		ok = config.readBoolEntry( "KNotify Init", true );
		if ( useArts && !ok ) {
			if ( KMessageBox::questionYesNo(
					0L,
					i18n("During the previous startup, KNotify crashed while instantiating "
					"KNotify. Do you want to try again or disable "
					"aRts sound output?\n\n"
					"If you choose to disable aRts output now, you can re-enable "
					"it later or select an alternate sound player "
					"in the System Notifications control panel."),
					i18n("KNotify Problem"),
					i18n("&Try Again"),
					i18n("D&isable aRts Output"),
					"KNotifyStartProgress",
					0 /* don't call KNotify :) */
					)
				== KMessageBox::No ) {
					useArts = false;
					delete soundServer;
					soundServer = 0L;
					delete dispatcher;
					dispatcher = 0L;
			}
		}
	
		// when KNotify instantiation crashes, we know it the next start.
		config.writeEntry( "KNotify Init", false );
		config.writeEntry( "Use Arts", useArts );
		config.sync();
	
		// start notify service
		KNotify *notify = new KNotify( useArts );
	
		config.writeEntry( "KNotify Init", true );
		config.sync();
	
#else
	
		// start notify service, without aRts
		KNotify *notify = new KNotify( false );
	
#endif
	
		app.dcopClient()->setDefaultObject( "Notify" );
		app.dcopClient()->setDaemonMode( true );
		// kdDebug() << "knotify starting" << endl;
	
		int ret = app.exec();
		delete notify;
#ifndef WITHOUT_ARTS
		delete soundServer;
		delete dispatcher;
#endif
		return ret;
	}
} // end extern "C"

KNotify::KNotify( bool useArts )
    : TQObject(), DCOPObject("Notify")
{
	d = new KNotifyPrivate;
	d->globalEvents = new TDEConfig("knotify/eventsrc", true, false, "data");
	d->globalConfig = new TDEConfig("knotify.eventsrc", true, false);
	d->externalPlayerProc = 0;
	d->useArts = useArts;
	d->inStartup = true;
#ifndef WITHOUT_ARTS
	d->playObjects.setAutoDelete(true);
	d->audioManager = 0;
	if( useArts ) {
		connect( soundServer, TQT_SIGNAL( restartedServer() ), this, TQT_SLOT( restartedArtsd() ) );
		restartedArtsd(); //started allready need to initialize d->audioManager
	}
#endif
	d->volume = 100;
	d->playTimer = 0;

	loadConfig();
}

KNotify::~KNotify()
{
	reconfigure();

#ifndef WITHOUT_ARTS
	d->playObjects.clear();

	delete d->globalEvents;
	delete d->globalConfig;
	delete d->externalPlayerProc;
	delete d->audioManager;
#endif
	delete d;
}


void KNotify::loadConfig() {
	// load external player settings
	TDEConfig *kc = TDEGlobal::config();
	kc->setGroup("Misc");
	d->useExternal = kc->readBoolEntry( "Use external player", false );
	d->externalPlayer = kc->readPathEntry("External player");
	
	// try to locate a suitable player if none is configured
	if ( d->externalPlayer.isEmpty() ) {
		TQStringList players;
		players << "wavplay" << "aplay" << "auplay";
		TQStringList::Iterator it = players.begin();
		while ( d->externalPlayer.isEmpty() && it != players.end() ) {
			d->externalPlayer = TDEStandardDirs::findExe( *it );
			++it;
		}
	}
	
	// load default volume
	d->volume = kc->readNumEntry( "Volume", 100 );
}


void KNotify::reconfigure()
{
	kapp->config()->reparseConfiguration();
	loadConfig();
	
	// clear loaded config files
	d->globalConfig->reparseConfiguration();
	for ( TQMapIterator<TQString,TDEConfig*> it = d->configs.begin(); it != d->configs.end(); ++it ) {
		delete it.data();
	}
	d->configs.clear();
}


void KNotify::notify(const TQString &event, const TQString &fromApp,
                     const TQString &text, TQString sound, TQString file,
                     int present, int level)
{
	notify( event, fromApp, text, sound, file, present, level, 0, 1 );
}

void KNotify::notify(const TQString &event, const TQString &fromApp,
                     const TQString &text, TQString sound, TQString file,
                     int present, int level, int winId)
{
	notify( event, fromApp, text, sound, file, present, level, winId, 1 );
}

void KNotify::notify(const TQString &event, const TQString &fromApp,
                     const TQString &text, TQString sound, TQString file,
                     int present, int level, int winId, int eventId )
{
	// kdDebug() << "event=" << event << " fromApp=" << fromApp << " text=" << text << " sound=" << sound <<
	//    " file=" << file << " present=" << present << " level=" << level <<  " winId=" << winId << " eventId=" << eventId << endl;
	if( d->inStartup ) {
		d->startupEvents += "(" + event + ":" + fromApp + ")";
	}
	
	TQString commandline;
	TDEConfig *eventsFile = NULL;
	TDEConfig *configFile = NULL;
	
	// check for valid events
	if ( !event.isEmpty() ) {

		// get config file
		if ( d->events.contains( fromApp ) ) {
			eventsFile = d->events[fromApp];
		}
		else {
			eventsFile=new TDEConfig(locate("data", fromApp+"/eventsrc"),true,false);
			d->events.insert( fromApp, eventsFile );
		}
		if ( d->configs.contains( fromApp) ) {
			configFile = d->configs[fromApp];
		}
		else {
			configFile=new TDEConfig(fromApp+".eventsrc",true,false);
			d->configs.insert( fromApp, configFile );
		}
	
		if ( !eventsFile->hasGroup( event ) && isGlobal(event) ) {
			eventsFile = d->globalEvents;
			configFile = d->globalConfig;
		}
	
		eventsFile->setGroup( event );
		configFile->setGroup( event );
	
		// get event presentation
		if ( present==-1 ) {
			present = configFile->readNumEntry( "presentation", -1 );
		}
		if ( present==-1 ) {
			present = eventsFile->readNumEntry( "default_presentation", 0 );
		}
	
		// get sound file name
		if( present & KNotifyClient::Sound ) {
			TQString theSound = configFile->readPathEntry( "soundfile" );
			if ( theSound.isEmpty() ) {
				theSound = eventsFile->readPathEntry( "default_sound" );
			}
			if ( !theSound.isEmpty() ) {
				sound = theSound;
			}
		}
	
		// get log file name
		if( present & KNotifyClient::Logfile ) {
			TQString theFile = configFile->readPathEntry( "logfile" );
			if ( theFile.isEmpty() ) {
				theFile = eventsFile->readPathEntry( "default_logfile" );
			}
			if ( !theFile.isEmpty() ) {
				file = theFile;
			}
		}
	
		// get default event level
		if( present & KNotifyClient::Messagebox ) {
			level = eventsFile->readNumEntry( "level", 0 );
		}
	
		// get command line
		if (present & KNotifyClient::Execute ) {
			commandline = configFile->readPathEntry( "commandline" );
			if ( commandline.isEmpty() ) {
				commandline = eventsFile->readPathEntry( "default_commandline" );
			}
		}
	}

	// emit event
	if ( present & KNotifyClient::Sound ) { // && TQFile(sound).isReadable()
		notifyBySound( sound, fromApp, eventId );
	}

	if ( present & KNotifyClient::Execute ) {
		notifyByExecute( commandline, event, fromApp, text, winId, eventId );
	}

	if ( present & KNotifyClient::Logfile ) { // && TQFile(file).isWritable()
		notifyByLogfile( text, file );
	}
	
	if ( present & KNotifyClient::Stderr ) {
		notifyByStderr( text );
	}
	
	if ( present & KNotifyClient::Taskbar ) {
		notifyByTaskbar( checkWinId( fromApp, winId ));
	}
	
	if ( present & KNotifyClient::PassivePopup ) {
		notifyByPassivePopup( text, fromApp, eventsFile, checkWinId( fromApp, winId ));
	}
	else if ( present & KNotifyClient::Messagebox ) {
		notifyByMessagebox( text, level, checkWinId( fromApp, winId ));
	}

	TQByteArray qbd;
	TQDataStream ds(qbd, IO_WriteOnly);
	ds << event << fromApp << text << sound << file << present << level << winId << eventId;
	emitDCOPSignal("notifySignal(TQString,TQString,TQString,TQString,TQString,int,int,int,int)", qbd);
}


bool KNotify::notifyBySound( const TQString &sound, const TQString &appname, int eventId )
{
	if (sound.isEmpty()) {
		soundFinished( eventId, NoSoundFile );
		return false;
	}

	bool external = d->useExternal && !d->externalPlayer.isEmpty();
	// get file name
	TQString soundFile(sound);
	if ( TQFileInfo(sound).isRelative() ) {
		TQString search = TQString("%1/sounds/%2").arg(appname).arg(sound);
		soundFile = TDEGlobal::instance()->dirs()->findResource("data", search);
		if ( soundFile.isEmpty() ) {
			soundFile = locate( "sound", sound );
		}
	}
	if ( soundFile.isEmpty() || isPlaying( soundFile ) ) {
		soundFinished( eventId, soundFile.isEmpty() ? NoSoundFile : FileAlreadyPlaying );
		return false;
	}


	// kdDebug() << "KNotify::notifyBySound - trying to play file " << soundFile << endl;

	if (!external) {
		//If we disabled using aRts, just return,
		//(If we don't, we'll blow up accessing the null soundServer)
		if (!d->useArts)
		{
			soundFinished( eventId, NoSoundSupport );
			return false;
		}

#ifndef WITHOUT_ARTS
		// play sound finally
		while( d->playObjects.count()>5 ) {
			abortFirstPlayObject();
		}
	
		KDE::PlayObjectFactory factory(soundServer->server());
		if( d->audioManager ) {
			factory.setAudioManagerPlay( d->audioManager );
		}
		KURL soundURL;
		soundURL.setPath(soundFile);
		KDE::PlayObject *playObject = factory.createPlayObject(soundURL, false);
	
		if (playObject->isNull()) {
			soundFinished( eventId, NoSoundSupport );
			delete playObject;
			return false;
		}
	
		if ( d->volume != 100 ) {
			// It works to access the playObject immediately because we don't allow
			// non-file URLs for sounds.
			Arts::StereoVolumeControl volumeControl = Arts::DynamicCast(soundServer->server().createObject("Arts::StereoVolumeControl"));
			Arts::PlayObject player = playObject->object();
			Arts::Synth_AMAN_PLAY ap = d->audioManager->amanPlay();
			if( ! volumeControl.isNull() && ! player.isNull() && ! ap.isNull() ) {
				volumeControl.scaleFactor( d->volume/100.0 );
			
				ap.stop();
				Arts::disconnect( player, "left", ap, "left" );
				Arts::disconnect( player, "right", ap, "right" );
			
				ap.start();
				volumeControl.start();
			
				Arts::connect(player,"left",volumeControl,"inleft");
				Arts::connect(player,"right",volumeControl,"inright");
			
				Arts::connect(volumeControl,"outleft",ap,"left");
				Arts::connect(volumeControl,"outright",ap,"right");
			
				player._addChild( volumeControl, "volume" );
			}
		}
	
		playObject->play();
		d->playObjects.append( playObject );
		d->playObjectEventMap.insert( playObject, eventId );
	
		if ( !d->playTimer ) {
			d->playTimer = new TQTimer( this );
			connect( d->playTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( playTimeout() ) );
		}
		if ( !d->playTimer->isActive() ) {
			d->playTimer->start( 1000 );
		}
#endif
		return true;
	}
	else if(!d->externalPlayer.isEmpty()) {
		// use an external player to play the sound
		TDEProcess *proc = d->externalPlayerProc;
		if (!proc) {
			proc = d->externalPlayerProc = new TDEProcess;
			connect( proc, TQT_SIGNAL( processExited( TDEProcess * )), TQT_SLOT( slotPlayerProcessExited( TDEProcess * )));
		}
		if (proc->isRunning()) {
			soundFinished( eventId, PlayerBusy );
			return false; // Skip
		}
		proc->clearArguments();
		(*proc) << d->externalPlayer << TQFile::encodeName( soundFile ).data();
		d->externalPlayerEventId = eventId;
		proc->start(TDEProcess::NotifyOnExit);
		return true;
	}

	soundFinished( eventId, Unknown );
	return false;
}

bool KNotify::notifyByMessagebox(const TQString &text, int level, WId winId)
{
	// ignore empty messages
	if ( text.isEmpty() ) {
		return false;
	}
	
	// display message box for specified event level
	switch( level ) {
		default:
			case KNotifyClient::Notification:
			KMessageBox::informationWId( winId, text, i18n("Notification"), 0, false );
			break;
		case KNotifyClient::Warning:
			KMessageBox::sorryWId( winId, text, i18n("Warning"), false );
			break;
		case KNotifyClient::Error:
			KMessageBox::errorWId( winId, text, i18n("Error"), false );
			break;
		case KNotifyClient::Catastrophe:
			KMessageBox::errorWId( winId, text, i18n("Catastrophe!"), false );
			break;
	}
	
	return true;
}

bool KNotify::notifyByPassivePopup( const TQString &text,
                                    const TQString &appName,
                                    TDEConfig* eventsFile,
                                    WId senderWinId )
{
	TDEIconLoader iconLoader( appName );
	if ( eventsFile != NULL ) {
		TDEConfigGroup config( eventsFile, "!Global!" );
		TQString iconName = config.readEntry( "IconName", appName );
		TQPixmap icon = iconLoader.loadIcon( iconName, TDEIcon::Small );
		TQString title = config.readEntry( "Comment", appName );
		KPassivePopup::message(title, text, icon, senderWinId);
	}
	else {
		kdError() << "No events for app " << appName << "defined!" <<endl;
	}
	
	return true;
}

bool KNotify::notifyByExecute(const TQString &command, const TQString& event,
                              const TQString& fromApp, const TQString& text,
                              int winId, int eventId) {
	if (!command.isEmpty()) {
		// kdDebug() << "executing command '" << command << "'" << endl;
		TQMap<TQChar,TQString> subst;
		subst.insert( 'e', event );
		subst.insert( 'a', fromApp );
		subst.insert( 's', text );
		subst.insert( 'w', TQString::number( winId ));
		subst.insert( 'i', TQString::number( eventId ));
		TQString execLine = KMacroExpander::expandMacrosShellQuote( command, subst );
		if ( execLine.isEmpty() ) {
			execLine = command; // fallback
		}
		
		TDEProcess p;
		p.setUseShell(true);
		p << execLine;
		p.start(TDEProcess::DontCare);
		return true;
	}
	return false;
}


bool KNotify::notifyByLogfile(const TQString &text, const TQString &file)
{
	// ignore empty messages
	if ( text.isEmpty() ) {
		return true;
	}
	
	// open file in append mode
	TQFile logFile(file);
	if ( !logFile.open(IO_WriteOnly | IO_Append) ) {
		return false;
	}
	
	// append msg
	TQTextStream strm( &logFile );
	strm << "- KNotify " << TQDateTime::currentDateTime().toString() << ": ";
	strm << text << endl;
	
	// close file
	logFile.close();
	return true;
}

bool KNotify::notifyByStderr(const TQString &text)
{
	// ignore empty messages
	if ( text.isEmpty() ) {
		return true;
	}
	
	// open stderr for output
	TQTextStream strm( stderr, IO_WriteOnly );
	
	// output msg
	strm << "KNotify " << TQDateTime::currentDateTime().toString() << ": ";
	strm << text << endl;
	
	return true;
}

bool KNotify::notifyByTaskbar( WId win )
{
	if( win == 0 ) {
		return false;
	}
	KWin::demandAttention( win );
	return true;
}

bool KNotify::isGlobal(const TQString &eventname)
{
	return d->globalEvents->hasGroup( eventname );
}

void KNotify::setVolume( int volume )
{
	if ( volume<0 ) volume=0;
	if ( volume>=100 ) volume=100;
	d->volume = volume;
}

void KNotify::playTimeout()
{
#ifndef WITHOUT_ARTS
	for ( TQPtrListIterator< KDE::PlayObject > it(d->playObjects); *it;) {
		TQPtrListIterator< KDE::PlayObject > current = it;
		++it;
		if ( (*current)->state() != Arts::posPlaying ) {
			TQMap<KDE::PlayObject*,int>::Iterator eit = d->playObjectEventMap.find( *current );
			if ( eit != d->playObjectEventMap.end() ) {
				soundFinished( *eit, PlayedOK );
				d->playObjectEventMap.remove( eit );
			}
			d->playObjects.remove( current );
		}
	}
	if ( !d->playObjects.count() ) {
		d->playTimer->stop();
	}
#endif
}

bool KNotify::isPlaying( const TQString& soundFile ) const
{
#ifndef WITHOUT_ARTS
	for ( TQPtrListIterator< KDE::PlayObject > it(d->playObjects); *it; ++it) {
		if ( (*it)->mediaName() == soundFile ) {
			return true;
		}
	}
#endif
	return false;
}

void KNotify::slotPlayerProcessExited( TDEProcess *proc )
{
	soundFinished( d->externalPlayerEventId, (proc->normalExit() && proc->exitStatus() == 0) ? PlayedOK : Unknown );
}

void KNotify::abortFirstPlayObject()
{
#ifndef WITHOUT_ARTS
	TQMap<KDE::PlayObject*,int>::Iterator it = d->playObjectEventMap.find( d->playObjects.getFirst() );
	if ( it != d->playObjectEventMap.end() ) {
		soundFinished( it.data(), Aborted );
		d->playObjectEventMap.remove( it );
	}
	d->playObjects.removeFirst();
#endif
}

void KNotify::soundFinished( int eventId, PlayingFinishedStatus reason )
{
	TQByteArray data;
	TQDataStream stream( data, IO_WriteOnly );
	stream << eventId << (int) reason;
	
	DCOPClient::mainClient()->emitDCOPSignal( "KNotify", "playingFinished(int,int)", data );
}

WId KNotify::checkWinId( const TQString &appName, WId senderWinId )
{
	if ( senderWinId == 0 ) {
		TQCString senderId = kapp->dcopClient()->senderId();
		TQCString compare = (appName + "-mainwindow").latin1();
		int len = compare.length();
		// kdDebug() << "notifyByPassivePopup: appName=" << appName << " sender=" << senderId << endl;
		
		QCStringList objs = kapp->dcopClient()->remoteObjects( senderId );
		for (QCStringList::ConstIterator it = objs.begin(); it != objs.end(); ++it ) {
			TQCString obj( *it );
			if ( obj.left(len) == compare) {
				// kdDebug( ) << "found " << obj << endl;
				TQCString replyType;
				TQByteArray data, replyData;
			
				if ( kapp->dcopClient()->call(senderId, obj, "getWinID()", data, replyType, replyData) ) {
					TQDataStream answer(replyData, IO_ReadOnly);
					if (replyType == "int") {
						answer >> senderWinId;
						// kdDebug() << "SUCCESS, found getWinID(): type='" << TQString(replyType)
						//      << "' senderWinId=" << senderWinId << endl;
					}
				}
			}
		}
	}
	return senderWinId;
}

void KNotify::restartedArtsd()
{
#ifndef WITHOUT_ARTS
	delete d->audioManager;
	d->audioManager = new KAudioManagerPlay( soundServer );
	d->audioManager->setTitle( i18n( "Trinity System Notifications" ) );
	d->audioManager->setAutoRestoreID( "KNotify Aman Play" );
#endif
}

void KNotify::sessionReady()
{
	if( d->inStartup && !d->startupEvents.isEmpty()) {
		kdDebug() << "There were knotify events while startup:" << d->startupEvents << endl;
	}
	d->inStartup = false;
}