summaryrefslogtreecommitdiffstats
path: root/interfaces/kimproxy/library/kimproxy.cpp
blob: 9acfe00d6441c2284d8c34866392087458d95170 (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
/*    
	kimproxy.cpp
	
	IM service library for KDE
	
	Copyright (c) 2004 Will Stephenson   <lists@stevello.free-online.co.uk>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#include <tqglobal.h>
#include <tqpixmapcache.h>
#include <dcopclient.h>
#include <kapplication.h>
#include <kdcopservicestarter.h> 
#include <kdebug.h>
#include <kmessagebox.h>
#include <ksimpleconfig.h>
#include <kiconloader.h>
#include <kservice.h>
#include <kservicetype.h>

#include "kimiface_stub.h"

#include "kimproxy.h"

static KStaticDeleter<KIMProxy> _staticDeleter;

KIMProxy * KIMProxy::s_instance = 0L;

struct AppPresenceCurrent
{
	TQCString appId;
	int presence;
};

class ContactPresenceListCurrent : public TQValueList<AppPresenceCurrent>
{
	public:
		// return value indicates if the supplied parameter was better than any existing presence
		bool update( const AppPresenceCurrent );
		AppPresenceCurrent best();
};


struct KIMProxy::Private
{
	DCOPClient * dc;
	// list of the strings in use by KIMIface
	TQStringList presence_strings;
	// list of the icon names in use by KIMIface
	TQStringList presence_icons;
	// map of presences
	PresenceStringMap presence_map;
};

bool ContactPresenceListCurrent::update( AppPresenceCurrent ap )
{
	if ( isEmpty() )
	{
		append( ap );
		return true;
	}
	
	bool bestChanged = false;
	AppPresenceCurrent best;
	best.presence = -1;
	ContactPresenceListCurrent::iterator it = begin();
	const ContactPresenceListCurrent::iterator itEnd = end();
	ContactPresenceListCurrent::iterator existing = itEnd;

	while ( it != itEnd )
	{
		if ( (*it).presence > best.presence )
			best = (*it);
		if ( (*it).appId == ap.appId )
			existing = it;
		++it;
	}
	
	if ( ap.presence > best.presence ||
      best.appId == ap.appId )
		bestChanged = true;
	
	if ( existing != itEnd )
	{
		remove( existing );
		append( ap );
	}
	return bestChanged;
}

AppPresenceCurrent ContactPresenceListCurrent::best()
{
	AppPresenceCurrent best;
	best.presence = -1;
	ContactPresenceListCurrent::iterator it = begin();
	const ContactPresenceListCurrent::iterator itEnd = end();
	while ( it != itEnd )
	{
		if ( (*it).presence > best.presence )
			best = (*it);
		++it;
	}
	// if it's still -1 here, we have no presence data, so we return Unknown
	if ( best.presence == -1 )
		best.presence = 0;
	return best;
}

// int bestPresence( AppPresence* ap )
// {
// 	Q_ASSERT( ap );
// 	AppPresence::const_iterator it;
// 	it = ap->begin();
// 	int best = 0; // unknown
// 	if ( it != ap->end() )
// 	{
// 		best = it.data();
// 		++it;
// 		for ( ; it != ap->end(); ++it )
// 		{
// 			if ( it.data() > best )
// 				best = it.data(); 
// 		}
// 	}
// 	return best;
// }
// 
// TQCString bestAppId( AppPresence* ap )
// {
// 	Q_ASSERT( ap );
// 	AppPresence::const_iterator it;
// 	TQCString bestAppId;
// 	it = ap->begin();
// 	if ( it != ap->end() )
// 	{
// 		int best = it.data();
// 		bestAppId = it.key();
// 		++it;
// 		for ( ; it != ap->end(); ++it )
// 		{
// 			if ( it.data() > best )
// 			{
// 				best = it.data();
// 				bestAppId = it.key();
// 			}
// 		}
// 	}
// 	return bestAppId;
// }

KIMProxy * KIMProxy::instance( DCOPClient * client ) 
{
	if ( client )
	{
		if ( !s_instance )
			_staticDeleter.setObject( s_instance, new KIMProxy( client ) );
		return s_instance;
	}
	else
		return 0L;
}

KIMProxy::KIMProxy( DCOPClient* dc ) : DCOPObject( "KIMProxyIface" ), TQObject(), d( new Private )
{
	m_im_client_stubs.setAutoDelete( true );

	d->dc = dc;
	m_initialized = false;
	connect( d->dc, TQT_SIGNAL( applicationRemoved( const TQCString& ) ) , this, TQT_SLOT( unregisteredFromDCOP( const TQCString& ) ) );
	connect( d->dc, TQT_SIGNAL( applicationRegistered( const TQCString& ) ) , this, TQT_SLOT( registeredToDCOP( const TQCString& ) ) );
	d->dc->setNotifications( true );

	d->presence_strings.append( "Unknown" );
	d->presence_strings.append( "Offline" );
	d->presence_strings.append( "Connecting" );
	d->presence_strings.append( "Away" );
	d->presence_strings.append( "Online" );
	
	d->presence_icons.append( "presence_unknown" );
	d->presence_icons.append( "presence_offline" );
	d->presence_icons.append( "presence_connecting" );
	d->presence_icons.append( "presence_away" );
	d->presence_icons.append( "presence_online" );
	
	//TQCString senderApp = "Kopete";
	//TQCString senderObjectId = "KIMIface";
	TQCString method = "contactPresenceChanged( TQString, TQCString, int )";
	//TQCString receiverObjectId = "KIMProxyIface";
	
	// FIXME: make this work when the sender object id is set to KIMIFace
	if ( !connectDCOPSignal( 0, 0, method, method, false ) )
		kdWarning() << "Couldn't connect DCOP signal. Won't receive any status notifications!" << endl;
}

KIMProxy::~KIMProxy( )
{
	//d->dc->setNotifications( false );
}

bool KIMProxy::initialize()
{
	if ( !m_initialized )
	{
		m_initialized = true; // we should only do this once, as registeredToDCOP() will catch any new starts
		// So there is no error from a failed query when using tdelibs 3.2, which don't have this servicetype
		if ( KServiceType::serviceType( IM_SERVICE_TYPE ) ) 
		{
			//kdDebug( 790 ) << k_funcinfo << endl;
			TQCString dcopObjectId = "KIMIface";
	
			// see what apps implementing our service type are out there
			KService::List offers = KServiceType::offers( IM_SERVICE_TYPE );
			KService::List::iterator offer;
			typedef TQValueList<TQCString> QCStringList;
			QCStringList registeredApps = d->dc->registeredApplications();
			QCStringList::iterator app;
			const QCStringList::iterator end = registeredApps.end();
			// for each registered app
			for ( app = registeredApps.begin(); app != end; ++app )
			{
				//kdDebug( 790 ) << " considering: " << *app << endl;
				//for each offer
				for ( offer = offers.begin(); offer != offers.end(); ++offer )
				{
					TQCString dcopService = (*offer)->property("X-DCOP-ServiceName").toString().latin1();
					if ( !dcopService.isEmpty() )
					{
						//kdDebug( 790 ) << " is it: " << dcopService << "?" << endl;
						// get the application name ( minus any process ID )
						TQCString instanceName =  (*app).left( dcopService.length() );
						// if the application implements the dcop service, add it 
						if ( instanceName == dcopService )
						{
							m_apps_available = true;
							//kdDebug( 790 ) << " app name: " << (*offer)->name() << ", has instance " << *app << ", dcopService: " << dcopService << endl;
							if ( !m_im_client_stubs.find( dcopService ) )
							{
								kdDebug( 790 ) << "App " << *app << ", dcopObjectId " << dcopObjectId << " found, using it for presence info." << endl;
								m_im_client_stubs.insert( *app, new KIMIface_stub( d->dc, *app, dcopObjectId ) );
								pollApp( *app );
							}
						}
					}
				}
			}
		}
	}
	return !m_im_client_stubs.isEmpty();
}

void KIMProxy::registeredToDCOP( const TQCString& appId )
{
	//kdDebug( 790 ) << k_funcinfo << " appId '" << appId << "'" << endl;
	// check that appId implements our service
	// if the appId ends with a number, i.e. a pid like in foobar-12345,
	if ( appId.isEmpty() )
		return;

	bool newApp = false;
	// get an up to date list of offers in case a new app was installed
	// and check each of the offers that implement the service type we're looking for,
	// to see if any of them are the app that just registered
	const KService::List offers = KServiceType::offers( IM_SERVICE_TYPE );
	KService::List::const_iterator it;
	for ( it = offers.begin(); it != offers.end(); ++it )
	{
		TQCString dcopObjectId = "KIMIface";
		TQCString dcopService = (*it)->property("X-DCOP-ServiceName").toString().latin1();
		if ( appId.left( dcopService.length() ) == dcopService )
		{
			// if it's not already known, insert it
			if ( !m_im_client_stubs.find( appId ) )
			{
				newApp = true;
				kdDebug( 790 ) << "App: " << appId << ", dcopService: " << dcopService << " started, using it for presence info."<< endl;
				m_im_client_stubs.insert( appId, new KIMIface_stub( d->dc, appId, dcopObjectId ) );
			}
		}
		//else
		//	kdDebug( 790 ) << "App doesn't implement our ServiceType" << endl;
	}
	//if ( newApp )
	//	emit sigPresenceInfoExpired();
}

void KIMProxy::unregisteredFromDCOP( const TQCString& appId )
{
	//kdDebug( 790 ) << k_funcinfo << appId << endl;
	if ( m_im_client_stubs.find( appId ) )
	{
		kdDebug( 790 ) << appId << " quit, removing its presence info." << endl;
		
		PresenceStringMap::Iterator it = d->presence_map.begin();
		const PresenceStringMap::Iterator end = d->presence_map.end();
		for ( ; it != end; ++it )
		{
			ContactPresenceListCurrent list = it.data();
			ContactPresenceListCurrent::iterator cpIt = list.begin();
			while( cpIt != list.end() )
			{
				ContactPresenceListCurrent::iterator gone = cpIt++;
				if ( (*gone).appId == appId )
				{
					list.remove( gone );
				}
			}
		}
		m_im_client_stubs.remove( appId );
		emit sigPresenceInfoExpired();
	}
}

void KIMProxy::contactPresenceChanged( TQString uid, TQCString appId, int presence )
{
	// update the presence map
	//kdDebug( 790 ) << k_funcinfo << "uid: " << uid << " appId: " << appId << " presence " << presence << endl;
	ContactPresenceListCurrent current;
	current = d->presence_map[ uid ];
  //kdDebug( 790 ) << "current best presence from : " << current.best().appId << " is: " << current.best().presence << endl;
	AppPresenceCurrent newPresence;
	newPresence.appId = appId;
	newPresence.presence = presence;

	if ( current.update( newPresence ) )
	{
		d->presence_map.insert( uid, current );
		emit sigContactPresenceChanged( uid );
	}
}

int KIMProxy::presenceNumeric( const TQString& uid )
{
	AppPresenceCurrent ap;
	ap.presence = 0;
	if ( initialize() )
	{
		ContactPresenceListCurrent presence = d->presence_map[ uid ];
		ap = presence.best();
	}
	return ap.presence;
}

TQString KIMProxy::presenceString( const TQString& uid )
{
	AppPresenceCurrent ap;
	ap.presence = 0;
	if ( initialize() )
	{
		ContactPresenceListCurrent presence = d->presence_map[ uid ];
		ap = presence.best();
	}
	if ( ap.appId.isEmpty() )
		return TQString::null;
	else
		return d->presence_strings[ ap.presence ];
}

TQPixmap KIMProxy::presenceIcon( const TQString& uid )
{
	AppPresenceCurrent ap;
	ap.presence = 0;
	if ( initialize() )
	{
		ContactPresenceListCurrent presence = d->presence_map[ uid ];
		ap = presence.best();
	}
	if ( ap.appId.isEmpty() )
	{
		//kdDebug( 790 ) << k_funcinfo << "returning a null TQPixmap because we were asked for an icon for a uid we know nothing about" << endl;
		return TQPixmap();
	}
	else
	{
		//kdDebug( 790 ) << k_funcinfo << "returning this: " << d->presence_icons[ ap.presence ] << endl;
		return SmallIcon( d->presence_icons[ ap.presence ]);
	}
}

TQStringList KIMProxy::allContacts()
{
	TQStringList value = d->presence_map.keys();
	return value;
}

TQStringList KIMProxy::reachableContacts()
{
	TQStringList value;
	
	if ( initialize() )
	{
		TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
		for ( ; it.current(); ++it )
		{
			value += it.current()->reachableContacts( );
		}
	}
	return value;
}

TQStringList KIMProxy::onlineContacts()
{
	TQStringList value;
	PresenceStringMap::iterator it = d->presence_map.begin();
	const PresenceStringMap::iterator end= d->presence_map.end();
	for ( ; it != end; ++it )
		if ( it.data().best().presence > 2 /*Better than Connecting, ie Away or Online*/ )
			value.append( it.key() );
		
	return value;
}

TQStringList KIMProxy::fileTransferContacts()
{
	TQStringList value;
	
	if ( initialize() )
	{
		TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
		for ( ; it.current(); ++it )
		{
			value += it.current()->fileTransferContacts( );
		}
	}
	return value;
}

bool KIMProxy::isPresent( const TQString& uid )
{
	return ( !d->presence_map[ uid ].isEmpty() );
}

TQString KIMProxy::displayName( const TQString& uid )
{
	TQString name;
	if ( initialize() )
	{
		if ( KIMIface_stub* s = stubForUid( uid ) )
			name = s->displayName( uid );
	}
	//kdDebug( 790 ) << k_funcinfo << name << endl;
    return name;
}

bool KIMProxy::canReceiveFiles( const TQString & uid )
{
	if ( initialize() )
	{
		if ( KIMIface_stub* s = stubForUid( uid ) )
			return s->canReceiveFiles( uid );
	}
	return false;
}

bool KIMProxy::canRespond( const TQString & uid )
{
	if ( initialize() )
	{
		if ( KIMIface_stub* s = stubForUid( uid ) )
			return s->canRespond( uid );
	}
	return false;
}

TQString KIMProxy::context( const TQString & uid )
{
	if ( initialize() )
	{
		if ( KIMIface_stub* s = stubForUid( uid ) )
			return s->context( uid );
	}
	return TQString::null;
}
	
void KIMProxy::chatWithContact( const TQString& uid )
{
	if ( initialize() )
	{
		if ( KIMIface_stub* s = stubForUid( uid ) )
		{
			kapp->updateRemoteUserTimestamp( s->app() );
			s->chatWithContact( uid );
		}
	}
	return;
}

void KIMProxy::messageContact( const TQString& uid, const TQString& message )
{
	if ( initialize() )
	{
		if ( KIMIface_stub* s = stubForUid( uid ) )
		{
			kapp->updateRemoteUserTimestamp( s->app() );
			s->messageContact( uid, message );
		}
	}
	return;
}

void KIMProxy::sendFile(const TQString &uid, const KURL &sourceURL, const TQString &altFileName, uint fileSize )
{
	if ( initialize() )
	{
		TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
		for ( ; it.current(); ++it )
		{
			if ( it.current()->canReceiveFiles( uid ) )
			{
				kapp->updateRemoteUserTimestamp( it.current()->app() );
				it.current()->sendFile( uid, sourceURL, altFileName, fileSize );
				break;
			}
		}	
	}
	return;
}

bool KIMProxy::addContact( const TQString &contactId, const TQString &protocol )
{
	if ( initialize() )
	{
		if ( KIMIface_stub* s = stubForProtocol( protocol ) )
		return s->addContact( contactId, protocol );
	}
	return false;
}

TQString KIMProxy::locate( const TQString & contactId, const TQString & protocol )
{
	if ( initialize() )
	{
		if ( KIMIface_stub* s = stubForProtocol( protocol ) )
		return s->locate( contactId, protocol );
	}
	return TQString::null;
}

bool KIMProxy::imAppsAvailable()
{
	return ( !m_im_client_stubs.isEmpty() );
}

bool KIMProxy::startPreferredApp()
{
	TQString preferences = TQString("[X-DCOP-ServiceName] = '%1'").arg( preferredApp() );
	// start/find an instance of DCOP/InstantMessenger
	TQString error;
	TQCString dcopService;
	// Get a preferred IM client.
	// The app will notify itself to us using registeredToDCOP, so we don't need to record a stub for it here
	// FIXME: error in preferences, see debug output
	preferences = TQString::null;
	int result = KDCOPServiceStarter::self()->findServiceFor( IM_SERVICE_TYPE, TQString::null, preferences, &error, &dcopService );

	kdDebug( 790 ) << k_funcinfo << "error was: " << error << ", dcopService: " << dcopService << endl;

	return ( result == 0 );
}


void KIMProxy::pollAll( const TQString &uid )
{
/*	// We only need to call this function if we don't have any data at all
	// otherwise, the data will be kept fresh by received presence change
	// DCOP signals
	if ( !d->presence_map.contains( uid ) )
	{
		AppPresence *presence = new AppPresence();
		// record current presence from known clients
		TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
		for ( ; it.current(); ++it )
		{
			presence->insert( it.currentKey().ascii(), it.current()->presenceStatus( uid ) ); // m_im_client_stubs has qstring keys...
		}
		d->presence_map.insert( uid, presence );
	}*/
}

void KIMProxy::pollApp( const TQCString & appId )
{
	//kdDebug( 790 ) << k_funcinfo << endl;
	KIMIface_stub * appStub = m_im_client_stubs[ appId ];
	TQStringList contacts = m_im_client_stubs[ appId ]->allContacts();
	TQStringList::iterator it = contacts.begin();
	TQStringList::iterator end = contacts.end();
	for ( ; it != end; ++it )
	{
		ContactPresenceListCurrent current = d->presence_map[ *it ];
		AppPresenceCurrent ap;
		ap.appId = appId;
		ap.presence = appStub->presenceStatus( *it );
		current.append( ap );

		d->presence_map.insert( *it, current );
		if ( current.update( ap ) )
			emit sigContactPresenceChanged( *it );
		//kdDebug( 790 ) << " uid: " << *it << " presence: " << ap.presence << endl;
	}
}

KIMIface_stub * KIMProxy::stubForUid( const TQString &uid )
{
	// get best appPresence
	AppPresenceCurrent ap = d->presence_map[ uid ].best();
	// look up the presence string from that app
		return m_im_client_stubs.find( ap.appId );
}

KIMIface_stub * KIMProxy::stubForProtocol( const TQString &protocol)
{
	KIMIface_stub * app;
	// see if the preferred client supports this protocol
	TQString preferred = preferredApp();
	if ( ( app = m_im_client_stubs.find( preferred ) ) )
	{
		if ( app->protocols().grep( protocol ).count() > 0 )
			return app;
	}
	// preferred doesn't do this protocol, try the first of the others that says it does
	TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
	for ( ; it.current(); ++it )
	{
		if ( it.current()->protocols().grep( protocol ).count() > 0 )
			return it.current();
	}	
	return 0L;
}

TQString KIMProxy::preferredApp()
{
	KConfig *store = new KSimpleConfig( IM_CLIENT_PREFERENCES_FILE );
	store->setGroup( IM_CLIENT_PREFERENCES_SECTION );
	TQString preferredApp = store->readEntry( IM_CLIENT_PREFERENCES_ENTRY );
	//kdDebug( 790 ) << k_funcinfo << "found preferred app: " << preferredApp << endl;
	return preferredApp;
}	

#include "kimproxy.moc"