|
1 /* |
|
2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: This implements CUsbWatcher class. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include <ecom/ecom.h> |
|
20 #include <utf.h> |
|
21 #include <coreapplicationuisdomainpskeys.h> |
|
22 //CleanupResetAndDestroyPushL |
|
23 #include <mmf/common/mmfcontrollerpluginresolver.h> |
|
24 #include <UsbWatcherInternalCRKeys.h> |
|
25 #include <cusbpersonalitynotifier.h> |
|
26 #include <UsbWatcherInternalPSKeys.h> |
|
27 #include <e32property.h> |
|
28 #include <startupdomainpskeys.h> //for global system state |
|
29 |
|
30 #include "cusbwatcher.h" |
|
31 #include "cusbactivestate.h" |
|
32 #include "cusbactivepersonalityhandler.h" |
|
33 #include "cusbwatchersession.h" |
|
34 #include "cusbdevicelock.h" |
|
35 #include "cusbdevconstarter.h" |
|
36 #include "cusbglobalsystemstateobserver.h" |
|
37 #include "cusbotgwatcher.h" |
|
38 |
|
39 _LIT_SECURITY_POLICY_PASS( KAlwaysPassPolicy ); |
|
40 _LIT_SECURITY_POLICY_C1( KLocalServicesPolicy, ECapabilityLocalServices ); |
|
41 |
|
42 const TUint32 KUsbWatcherUseSerialNumber = 0x80000000; |
|
43 const TUint32 KUsbWatcherPersonalityIdMask = 0x0000FFFF; |
|
44 |
|
45 // ============================ MEMBER FUNCTIONS ============================== |
|
46 |
|
47 // ---------------------------------------------------------------------------- |
|
48 // C++ default constructor can NOT contain any code, that might leave. |
|
49 // ---------------------------------------------------------------------------- |
|
50 // |
|
51 CUsbWatcher::CUsbWatcher() |
|
52 : CActive( EPriorityStandard ) |
|
53 { |
|
54 LOG_FUNC |
|
55 |
|
56 CActiveScheduler::Add( this ); |
|
57 } |
|
58 |
|
59 // ---------------------------------------------------------------------------- |
|
60 // Symbian 2nd phase constructor can leave. |
|
61 // ---------------------------------------------------------------------------- |
|
62 // |
|
63 void CUsbWatcher::ConstructL() |
|
64 { |
|
65 LOG_FUNC |
|
66 |
|
67 LEAVEIFERROR( RProperty::Define( KPSUidUsbWatcher, |
|
68 KUsbWatcherSelectedPersonality, RProperty::EInt, KAlwaysPassPolicy, |
|
69 KLocalServicesPolicy ) ); |
|
70 |
|
71 LEAVEIFERROR( RProperty::Set( KPSUidUsbWatcher, |
|
72 KUsbWatcherSelectedPersonality, |
|
73 KUsbWatcherSelectedPersonalityNone ) ); |
|
74 |
|
75 iPersonalityRepository = CRepository::NewL( KCRUidUsbWatcher ); |
|
76 |
|
77 LEAVEIFERROR( iPersonalityRepository->Get( KUsbWatcherPersonality, |
|
78 iPersonalityId ) ); |
|
79 LOG1( "iPersonalityId from CenRep = %d", iPersonalityId ); |
|
80 iPrevPersonalityId = iPersonalityId; |
|
81 iOldPrevPersonalityId = iPersonalityId; |
|
82 LEAVEIFERROR( iUsbMan.Connect() ); |
|
83 |
|
84 TInt ret = iUsbMan.SetCtlSessionMode( ETrue ); |
|
85 if( KErrNone == ret ) |
|
86 { |
|
87 LOG( "Creating CUsbOtgWatcher..." ); |
|
88 iOtgWatcher = CUsbOtgWatcher::NewL( iUsbMan ); |
|
89 } |
|
90 else if( KErrNotSupported == ret ) |
|
91 { |
|
92 LOG( "Non-OTG configuration detected!" ); |
|
93 } |
|
94 else |
|
95 { |
|
96 LOG( "ERROR: is there another USB Control process? LEAVE" ); |
|
97 LEAVE( ret ); |
|
98 } |
|
99 |
|
100 iPersonalityHandler |
|
101 = CUsbActivePersonalityHandler::NewL( iUsbMan, *this ); |
|
102 |
|
103 GetPersonalityPluginsL(); |
|
104 iUsbDeviceLock = CUsbDeviceLock::NewL( *this ); |
|
105 iUsbDeviceLock->Subscribe(); |
|
106 iGlobalStateObserver = CUsbGlobalSystemStateObserver::NewL( *this ); |
|
107 iUsbDevConStarter = CUsbDevConStarter::NewL(); |
|
108 iActiveState = CUsbActiveState::NewL( iUsbMan, *this ); |
|
109 } |
|
110 |
|
111 // ---------------------------------------------------------------------------- |
|
112 // Two-phased constructor. |
|
113 // ---------------------------------------------------------------------------- |
|
114 // |
|
115 CUsbWatcher* CUsbWatcher::NewL() |
|
116 { |
|
117 LOG_FUNC |
|
118 |
|
119 CUsbWatcher* self = new ( ELeave ) CUsbWatcher(); |
|
120 CleanupStack::PushL( self ); |
|
121 self->ConstructL(); |
|
122 CleanupStack::Pop(); // pop self |
|
123 return self; |
|
124 } |
|
125 |
|
126 // ---------------------------------------------------------------------------- |
|
127 // Destructor. |
|
128 // ---------------------------------------------------------------------------- |
|
129 // |
|
130 CUsbWatcher::~CUsbWatcher() |
|
131 { |
|
132 LOG_FUNC |
|
133 |
|
134 RProperty::Delete( KPSUidUsbWatcher, KUsbWatcherSelectedPersonality ); |
|
135 |
|
136 iUsbMan.Close(); |
|
137 iObservers.Reset(); |
|
138 if( iUsbDeviceLock ) |
|
139 { |
|
140 iUsbDeviceLock->Cancel(); |
|
141 } |
|
142 delete iActiveState; |
|
143 delete iUsbDevConStarter; |
|
144 delete iPersonalityHandler; |
|
145 delete iPersonalityRepository; |
|
146 delete iOtgWatcher; |
|
147 delete iUsbDeviceLock; |
|
148 delete iGlobalStateObserver; |
|
149 iSupportedPersonalities.Close(); |
|
150 } |
|
151 |
|
152 // ---------------------------------------------------------------------------- |
|
153 // Get personality plugins. Note that this is done only in normal mode. |
|
154 // ---------------------------------------------------------------------------- |
|
155 // |
|
156 void CUsbWatcher::GetPersonalityPluginsL() |
|
157 { |
|
158 LOG_FUNC |
|
159 |
|
160 // Get personality plugins |
|
161 RImplInfoPtrArray implementations; |
|
162 CleanupResetAndDestroyPushL( implementations ); |
|
163 |
|
164 const TEComResolverParams noResolverParams; |
|
165 |
|
166 REComSession::ListImplementationsL( KUidPersonalityPlugIns, |
|
167 noResolverParams, KRomOnlyResolverUid, implementations ); |
|
168 TInt personalityNum = implementations.Count(); |
|
169 LOG1( "Number of PersonalityPlugin(s): %d", personalityNum ); |
|
170 |
|
171 if( personalityNum < 1 ) |
|
172 { |
|
173 LOG( "No PersonalityPlugin available. LEAVE" ); |
|
174 LEAVE( KErrGeneral ); |
|
175 } |
|
176 |
|
177 for( TInt i = 0; i < personalityNum; i++ ) |
|
178 { |
|
179 TUsbSupportedPersonalityInf inf; |
|
180 TLex8 lex; |
|
181 TUint32 confValue; |
|
182 |
|
183 // save implementation uid |
|
184 inf.iPersonalityUid = implementations[i]->ImplementationUid(); |
|
185 lex.Assign( implementations[i]->DataType() ); |
|
186 |
|
187 if( lex.Val( confValue, EHex ) != KErrNone ) |
|
188 { |
|
189 CleanupStack::PopAndDestroy( &implementations ); |
|
190 iSupportedPersonalities.Close(); |
|
191 LEAVE( KErrGeneral ); |
|
192 } |
|
193 |
|
194 // check whether personality requires serial number |
|
195 if( confValue & KUsbWatcherUseSerialNumber ) |
|
196 { |
|
197 inf.iUseSerialNumber = ETrue; |
|
198 } |
|
199 else |
|
200 { |
|
201 inf.iUseSerialNumber = EFalse; |
|
202 } |
|
203 |
|
204 // save personality id |
|
205 inf.iPersonalityId = static_cast<TInt>( ( KUsbWatcherPersonalityIdMask |
|
206 & confValue ) ); |
|
207 |
|
208 LOG1( "PersonalityId = %d" , inf.iPersonalityId ); |
|
209 |
|
210 iSupportedPersonalities.AppendL( inf ); |
|
211 } |
|
212 |
|
213 CleanupStack::PopAndDestroy( &implementations ); |
|
214 } |
|
215 |
|
216 // ---------------------------------------------------------------------------- |
|
217 // This method notifies CUsbWatcher class about USB state changes. |
|
218 // ---------------------------------------------------------------------------- |
|
219 // |
|
220 void CUsbWatcher::StateChangeNotify( TUsbDeviceState aStateOld, |
|
221 TUsbDeviceState aStateNew ) |
|
222 { |
|
223 LOG_FUNC |
|
224 |
|
225 if( IsDeviceA() ) // Will be handled by UsbOtgWatcher |
|
226 { |
|
227 LOG( "Device state change ignored by UsbWatcher in A-device state" ); |
|
228 return; |
|
229 } |
|
230 |
|
231 LOG1( "WatcherState = %d", iState ); |
|
232 |
|
233 // Notify personality handler first |
|
234 switch( aStateNew ) |
|
235 { |
|
236 case EUsbDeviceStatePowered: |
|
237 // Case for Attached state missed |
|
238 // NO break here; |
|
239 case EUsbDeviceStateAttached: |
|
240 { |
|
241 if( EUsbDeviceStateUndefined != aStateOld ) |
|
242 { |
|
243 LOG1( "Not starting personality, previous state: %d", |
|
244 aStateOld); |
|
245 break; |
|
246 } |
|
247 LOG1( "Starting USB personality in device state: %d", aStateNew ); |
|
248 iPersonalityHandler->StateChangeNotify( aStateOld, aStateNew ); |
|
249 // Check AskOnConnection setting every time |
|
250 if( ( iSupportedPersonalities.Count() > 1 ) && |
|
251 !IsAskOnConnectionSuppression() ) |
|
252 { |
|
253 // read setting if there is more than one personality |
|
254 iPersonalityRepository->Get( |
|
255 KUsbWatcherChangeOnConnectionSetting, |
|
256 iAskOnConnectionSetting ); |
|
257 } |
|
258 |
|
259 if( ( iState == EUsbIdle ) && !iPersonalityChangeOngoing ) |
|
260 { |
|
261 Start(); |
|
262 } |
|
263 else if( ( iState != EUsbStarted ) && !iPersonalityChangeOngoing ) |
|
264 { |
|
265 Cancel(); |
|
266 Start(); |
|
267 } |
|
268 |
|
269 // Let's turn ask on connection off after start cause we will |
|
270 // issue it only when cable is connected |
|
271 iAskOnConnectionSetting = KUsbWatcherChangeOnConnectionOff; |
|
272 |
|
273 //start usbdevcon only in normal global state |
|
274 TInt globalState = |
|
275 CUsbGlobalSystemStateObserver::GlobalSystemState(); |
|
276 if( ( ESwStateNormalRfOn == globalState ) || |
|
277 ( ESwStateNormalRfOff == globalState ) || |
|
278 ( ESwStateNormalBTSap == globalState ) ) |
|
279 { |
|
280 iUsbDevConStarter->Start(); |
|
281 } |
|
282 } |
|
283 break; |
|
284 |
|
285 case EUsbDeviceStateUndefined: |
|
286 { |
|
287 iGlobalStateObserver->Cancel(); |
|
288 // Notify clients currently loaded personality will be unloaded |
|
289 iPersonalityHandler->StateChangeNotify( aStateOld, aStateNew ); |
|
290 iUsbDevConStarter->StopRestarting(); |
|
291 // This must be done before Notify() |
|
292 if( iSetPreviousPersonalityOnDisconnect ) |
|
293 { |
|
294 TInt temp = iPersonalityId; |
|
295 iPersonalityId = iPrevPersonalityId; |
|
296 iPrevPersonalityId = temp; |
|
297 WritePersonalityId( iPersonalityId ); |
|
298 iSetPreviousPersonalityOnDisconnect = EFalse; |
|
299 } |
|
300 |
|
301 Notify( KErrCancel ); |
|
302 if (iState == EUsbStarting) |
|
303 { |
|
304 LOG( "StartCancel USB" ); |
|
305 Cancel(); |
|
306 } |
|
307 else |
|
308 { |
|
309 LOG( "Stop USB" ); |
|
310 |
|
311 if( EUsbConfirmStop == iState ) |
|
312 { |
|
313 // We have request pending on personality handler |
|
314 Cancel(); |
|
315 } |
|
316 |
|
317 Stop(); |
|
318 } |
|
319 } |
|
320 break; |
|
321 |
|
322 default: |
|
323 if ( EUsbStarted == iState ) |
|
324 { |
|
325 iPersonalityHandler->StateChangeNotify( aStateOld, aStateNew ); |
|
326 } |
|
327 break; |
|
328 } |
|
329 } |
|
330 |
|
331 // ---------------------------------------------------------------------------- |
|
332 // From class CActive. |
|
333 // This method cancels any outstanding request. |
|
334 // ---------------------------------------------------------------------------- |
|
335 // |
|
336 void CUsbWatcher::DoCancel() |
|
337 { |
|
338 LOG_FUNC |
|
339 |
|
340 LOG1( "WatcherState = %d", iState ); |
|
341 if( ( EUsbStarting == iState ) || ( EUsbStopping == iState ) ) |
|
342 { |
|
343 iPersonalityHandler->Cancel(); |
|
344 |
|
345 RProperty::Set( KPSUidUsbWatcher, |
|
346 KUsbWatcherSelectedPersonality, |
|
347 KUsbWatcherSelectedPersonalityNone ); |
|
348 LOG( "personality set to none" ); |
|
349 |
|
350 iState = EUsbIdle; |
|
351 } |
|
352 else if( EUsbConfirmStop == iState ) |
|
353 { |
|
354 iPersonalityHandler->Cancel(); |
|
355 iState = EUsbStarted; |
|
356 } |
|
357 else |
|
358 { |
|
359 LOG( "Nothingh to cancel" ); |
|
360 } |
|
361 } |
|
362 |
|
363 // ---------------------------------------------------------------------------- |
|
364 // This method implements state machine for personality start and stop. |
|
365 // ---------------------------------------------------------------------------- |
|
366 // |
|
367 void CUsbWatcher::RunL() |
|
368 { |
|
369 LOG_FUNC |
|
370 |
|
371 LOG1( "WatcherState = %d", iState ); |
|
372 TInt ret = iStatus.Int(); |
|
373 if ( KErrNone != ret ) |
|
374 { |
|
375 LOG1( "ERROR: CUsbWatcher::RunL iStatus = %d", ret ); |
|
376 } |
|
377 |
|
378 switch ( iState ) |
|
379 { |
|
380 case EUsbStarting: |
|
381 LOG( "Personality started" ); |
|
382 Notify( ret ); |
|
383 iState = EUsbStarted; |
|
384 if( iStopStartScenario ) |
|
385 { |
|
386 iStopStartScenario = EFalse; |
|
387 } |
|
388 break; |
|
389 |
|
390 case EUsbStopping: |
|
391 LOG( "Personality stopped" ); |
|
392 iState = EUsbIdle; |
|
393 if( iStopStartScenario ) |
|
394 { |
|
395 Start(); |
|
396 } |
|
397 else |
|
398 { |
|
399 RProperty::Set( KPSUidUsbWatcher, |
|
400 KUsbWatcherSelectedPersonality, |
|
401 KUsbWatcherSelectedPersonalityNone ); |
|
402 } |
|
403 break; |
|
404 |
|
405 case EUsbStarted: |
|
406 if( iStopStartScenario ) |
|
407 { |
|
408 break; |
|
409 } |
|
410 |
|
411 iPersonalityHandler->StopPersonality( iStatus ); |
|
412 SetActive(); |
|
413 iState = EUsbStopping; |
|
414 break; |
|
415 |
|
416 case EUsbIdle: |
|
417 if( iStopStartScenario ) |
|
418 { |
|
419 Start(); |
|
420 } |
|
421 break; |
|
422 |
|
423 case EUsbConfirmStop: |
|
424 if( iStatus == KErrNone ) |
|
425 { |
|
426 iStopStartScenario = ETrue; |
|
427 iPersonalityHandler->StopPersonality( iStatus ); |
|
428 SetActive(); |
|
429 iState = EUsbStopping; |
|
430 } |
|
431 else |
|
432 { |
|
433 Notify( ret ); |
|
434 iState = EUsbStarted; |
|
435 } |
|
436 break; |
|
437 |
|
438 default: |
|
439 LOG( "ERROR: unexpected state" ); |
|
440 PANIC( KErrGeneral ); |
|
441 break; |
|
442 } |
|
443 } |
|
444 |
|
445 // ---------------------------------------------------------------------------- |
|
446 // This method is not called cause RunL() never leaves. |
|
447 // ---------------------------------------------------------------------------- |
|
448 // |
|
449 TInt CUsbWatcher::RunError(TInt /*aError*/) |
|
450 { |
|
451 LOG_FUNC |
|
452 // Left empty cause this can't happend |
|
453 return KErrNone; |
|
454 } |
|
455 |
|
456 // ---------------------------------------------------------------------------- |
|
457 // Function is called when state of the device is locked. |
|
458 // ---------------------------------------------------------------------------- |
|
459 // |
|
460 void CUsbWatcher::Lock() |
|
461 { |
|
462 LOG_FUNC |
|
463 |
|
464 if( IsDeviceA() ) // Not applicable in case of A-device |
|
465 { |
|
466 LOG( "Lock ignored in A-device state" ); |
|
467 return; |
|
468 } |
|
469 |
|
470 |
|
471 TUsbDeviceState state = iActiveState->CurrentState(); |
|
472 |
|
473 LOG1( "USB device state after lock: %d", state ); |
|
474 |
|
475 if( EUsbDeviceStateUndefined != state ) // Stop personality |
|
476 { |
|
477 LOG( "Stopping USB persoanlity on device remote-lock" ); |
|
478 |
|
479 iPersonalityHandler->CancelCableConnectedNotifier(); |
|
480 |
|
481 if( iState != EUsbStarted ) |
|
482 { |
|
483 Cancel(); |
|
484 } |
|
485 else |
|
486 { |
|
487 Stop(); |
|
488 } |
|
489 } |
|
490 } |
|
491 |
|
492 // ---------------------------------------------------------------------------- |
|
493 // Function is called when state of the device is unlocked. |
|
494 // ---------------------------------------------------------------------------- |
|
495 // |
|
496 void CUsbWatcher::Unlock() |
|
497 { |
|
498 LOG_FUNC |
|
499 |
|
500 if( IsDeviceA() ) // Not applicable in case of A-device |
|
501 { |
|
502 LOG( "Unlock ignored in A-device state" ); |
|
503 return; |
|
504 } |
|
505 |
|
506 TUsbDeviceState state = iActiveState->CurrentState(); |
|
507 |
|
508 LOG1( "USB device state after unlock: %d", state ); |
|
509 if( EUsbDeviceStateAttached == state || EUsbDeviceStatePowered == state) |
|
510 { |
|
511 LOG( "Starting USB personality" ); |
|
512 TInt err = iPersonalityRepository->Get( |
|
513 KUsbWatcherChangeOnConnectionSetting, iAskOnConnectionSetting ); |
|
514 if( KErrNone == err ) |
|
515 { |
|
516 Start(); |
|
517 iAskOnConnectionSetting = KUsbWatcherChangeOnConnectionOff; |
|
518 } |
|
519 else |
|
520 { |
|
521 LOG1( "Error: CRepository::Get = %d", err ); |
|
522 } |
|
523 } |
|
524 } |
|
525 |
|
526 // ---------------------------------------------------------------------------- |
|
527 // This method is called when client wants to set new personality. |
|
528 // ---------------------------------------------------------------------------- |
|
529 // |
|
530 void CUsbWatcher::SetPersonality( TInt aPersonalityId, TBool aNonBlocking ) |
|
531 { |
|
532 LOG_FUNC |
|
533 |
|
534 LOG2( "aPersonalityId=%d, aNonBlocking=%d", aPersonalityId, aNonBlocking ); |
|
535 |
|
536 if( IsDeviceA() ) |
|
537 { |
|
538 LOG( "SetPersonality not allowed in A-device state" ); |
|
539 Notify( KErrAccessDenied ); |
|
540 return; |
|
541 } |
|
542 |
|
543 // Check if personality is exist |
|
544 TBool found = EFalse; |
|
545 |
|
546 for( TInt i = 0; i < iSupportedPersonalities.Count(); i++ ) |
|
547 { |
|
548 if( iSupportedPersonalities[i].iPersonalityId == aPersonalityId ) |
|
549 { |
|
550 found = ETrue; |
|
551 } |
|
552 } |
|
553 |
|
554 if( !found ) |
|
555 { |
|
556 Notify( KErrNotFound ); |
|
557 return; |
|
558 } |
|
559 |
|
560 iSetPersonalityOngoing = ETrue; |
|
561 iPersonalityChangeOngoing = ETrue; |
|
562 |
|
563 //The previous personality is not changed, if the client wanted the |
|
564 //previous personality change to be temporary. The client has to call |
|
565 //SetPreviousPersonalityOnDisconnect after each SetPersonality to be |
|
566 //intended as temporary. |
|
567 if( iSetPreviousPersonalityOnDisconnect ) |
|
568 { |
|
569 iSetPreviousPersonalityOnDisconnect = EFalse; |
|
570 } |
|
571 else |
|
572 { |
|
573 iOldPrevPersonalityId = iPrevPersonalityId; |
|
574 iPrevPersonalityId = iPersonalityId; |
|
575 LOG( "CUsbWatcher::SetPersonality setting previous" ); |
|
576 } |
|
577 LOG1( " iPrevPersonalityId = %d", iPrevPersonalityId ); |
|
578 if( iPersonalityId != aPersonalityId ) |
|
579 { |
|
580 iPersonalityId = aPersonalityId; |
|
581 SwitchPersonality( aNonBlocking ); |
|
582 } |
|
583 else |
|
584 { |
|
585 Notify( KErrNone ); |
|
586 } |
|
587 } |
|
588 |
|
589 // ---------------------------------------------------------------------------- |
|
590 // This method is called when client wants to cancel set personality. |
|
591 // ---------------------------------------------------------------------------- |
|
592 // |
|
593 void CUsbWatcher::CancelSetPersonality() |
|
594 { |
|
595 LOG_FUNC |
|
596 |
|
597 Notify( KErrCancel ); |
|
598 iPersonalityChangeOngoing = ETrue; |
|
599 iStopStartScenario = EFalse; |
|
600 SwitchPersonality(); |
|
601 } |
|
602 |
|
603 // ---------------------------------------------------------------------------- |
|
604 // This method is called when client wants to set previous personality. |
|
605 // ---------------------------------------------------------------------------- |
|
606 // |
|
607 void CUsbWatcher::SetPreviousPersonality() |
|
608 { |
|
609 LOG_FUNC |
|
610 |
|
611 if( IsDeviceA() ) |
|
612 { |
|
613 LOG( "SetPreviousPersonality not allowed in A-device state" ); |
|
614 Notify( KErrAccessDenied ); |
|
615 return; |
|
616 } |
|
617 |
|
618 TInt temp = iPersonalityId; |
|
619 iSetPreviousPersonalityOnDisconnect = EFalse; |
|
620 |
|
621 iPersonalityId = iPrevPersonalityId; |
|
622 iPrevPersonalityId = temp; |
|
623 iSetPreviousPersonalityOngoing = ETrue; |
|
624 iPersonalityChangeOngoing = ETrue; |
|
625 |
|
626 if( iPersonalityId != iPrevPersonalityId ) |
|
627 { |
|
628 SwitchPersonality(); |
|
629 } |
|
630 else |
|
631 { |
|
632 Notify( KErrNone ); |
|
633 } |
|
634 } |
|
635 |
|
636 // ---------------------------------------------------------------------------- |
|
637 // This method is called when client wants to cancel set previous personality. |
|
638 // ---------------------------------------------------------------------------- |
|
639 // |
|
640 void CUsbWatcher::CancelSetPreviousPersonality() |
|
641 { |
|
642 LOG_FUNC |
|
643 |
|
644 Notify( KErrCancel ); |
|
645 iPersonalityChangeOngoing = ETrue; |
|
646 iStopStartScenario = EFalse; |
|
647 SwitchPersonality(); |
|
648 } |
|
649 |
|
650 // ---------------------------------------------------------------------------- |
|
651 // This method is called when client wants to set previous personality on |
|
652 // disconnect. |
|
653 // ---------------------------------------------------------------------------- |
|
654 // |
|
655 void CUsbWatcher::SetPreviousPersonalityOnDisconnect() |
|
656 { |
|
657 LOG_FUNC |
|
658 |
|
659 if( IsDeviceA() ) |
|
660 { |
|
661 LOG( "Not allowed in A-device state" ); |
|
662 Notify( KErrAccessDenied ); |
|
663 return; |
|
664 } |
|
665 |
|
666 TUsbDeviceState state = iActiveState->CurrentState(); |
|
667 LOG1( "Device state : %d", state ); |
|
668 if( state != EUsbDeviceStateUndefined ) |
|
669 { |
|
670 iSetPreviousPersonalityOnDisconnect = ETrue; |
|
671 } |
|
672 } |
|
673 |
|
674 // ---------------------------------------------------------------------------- |
|
675 // This method starts personality change, if there is cable connected. |
|
676 // ---------------------------------------------------------------------------- |
|
677 // |
|
678 void CUsbWatcher::SwitchPersonality( TBool aNonBlocking ) |
|
679 { |
|
680 LOG_FUNC |
|
681 |
|
682 if( IsDeviceA() ) |
|
683 { |
|
684 LOG( "Not allowed in A-device state" ); |
|
685 Notify( KErrAccessDenied ); |
|
686 return; |
|
687 } |
|
688 |
|
689 TUsbDeviceState state = iActiveState->CurrentState(); |
|
690 LOG1( "Device state : %d", state ); |
|
691 |
|
692 if( state != EUsbDeviceStateUndefined ) |
|
693 { |
|
694 switch ( iState ) |
|
695 { |
|
696 case EUsbStopping: |
|
697 case EUsbStarting: |
|
698 { |
|
699 LOG( "CUsbWatcher::SwitchPersonality: Cancel & Start USB" ); |
|
700 Cancel(); |
|
701 Start(); |
|
702 } |
|
703 break; |
|
704 case EUsbConfirmStop: |
|
705 { |
|
706 Cancel(); |
|
707 iState = EUsbStarted; |
|
708 StopStart( aNonBlocking ); |
|
709 } |
|
710 break; |
|
711 case EUsbStarted: |
|
712 { |
|
713 LOG( "CUsbWatcher::SwitchPersonality: Stop & Start USB" ); |
|
714 StopStart( aNonBlocking ); |
|
715 } |
|
716 break; |
|
717 default: |
|
718 { |
|
719 LOG( "CUsbWatcher::SwitchPersonality: Start USB" ); |
|
720 Start(); |
|
721 } |
|
722 break; |
|
723 } |
|
724 } |
|
725 else |
|
726 { |
|
727 // if no connection -> just save the setting |
|
728 LOG( "CUsbWatcher::SwitchPersonality: Notify" ); |
|
729 Notify( KErrNone ); |
|
730 } |
|
731 } |
|
732 |
|
733 // ---------------------------------------------------------------------------- |
|
734 // This method starts personality loading or continues stop start scenario. |
|
735 // ---------------------------------------------------------------------------- |
|
736 // |
|
737 void CUsbWatcher::Start() |
|
738 { |
|
739 LOG_FUNC |
|
740 |
|
741 TInt globalState = CUsbGlobalSystemStateObserver::GlobalSystemState(); |
|
742 |
|
743 if( iState == EUsbIdle ) |
|
744 { |
|
745 iStarted = EFalse; |
|
746 if( globalState == ESwStateCharging ) |
|
747 { |
|
748 LOG( "Global state: charging" ); |
|
749 iGlobalStateObserver->Subscribe(); |
|
750 iPrevPersonalityId=iPersonalityId; |
|
751 TInt ret = GetChargingPersonalityId( iPersonalityId ); |
|
752 //do not start if charging personality not assigned |
|
753 if( KErrNone == ret ) |
|
754 { |
|
755 RProperty::Set( KPSUidUsbWatcher, |
|
756 KUsbWatcherSelectedPersonality, iPersonalityId ); |
|
757 iStarted = ETrue; |
|
758 iPersonalityHandler->StartPersonality( iPersonalityId, |
|
759 KUsbWatcherChangeOnConnectionOff, iStatus ); |
|
760 } |
|
761 else |
|
762 { |
|
763 LOG1( "GetChargingPersonalityId = %d. Not started", ret ); |
|
764 } |
|
765 } |
|
766 else if( ( ( ESwStateNormalRfOn == globalState ) || |
|
767 ( ESwStateNormalRfOff == globalState ) || |
|
768 ( ESwStateNormalBTSap == globalState ) )) |
|
769 { |
|
770 LOG( "Global state: normal" ); |
|
771 if( ! iUsbDeviceLock->Locked() ) |
|
772 { |
|
773 iGlobalStateObserver->Cancel(); |
|
774 RProperty::Set( KPSUidUsbWatcher, |
|
775 KUsbWatcherSelectedPersonality, iPersonalityId ); |
|
776 iStarted = ETrue; |
|
777 iPersonalityHandler->StartPersonality( iPersonalityId, |
|
778 iAskOnConnectionSetting, iStatus ); |
|
779 } |
|
780 else |
|
781 { |
|
782 LOG( "Device LOCKED, USB personality NOT start" ); |
|
783 } |
|
784 } |
|
785 else |
|
786 { |
|
787 LOG1( "Global state: = %d", globalState ); |
|
788 //Cable connected in e.g. ChargingToNormal state and |
|
789 // personality started later in a normal state. |
|
790 iGlobalStateObserver->Subscribe(); |
|
791 } |
|
792 if( iStarted ) |
|
793 { |
|
794 SetActive(); |
|
795 iState = EUsbStarting; |
|
796 } |
|
797 } |
|
798 else |
|
799 { |
|
800 LOG( "Tryign to call CUsbWatcher::Start in non-idle state " ); |
|
801 PANIC( KErrGeneral ); |
|
802 } |
|
803 } |
|
804 |
|
805 // ---------------------------------------------------------------------------- |
|
806 // This method starts personality unloading or cancels personality start. |
|
807 // ---------------------------------------------------------------------------- |
|
808 // |
|
809 void CUsbWatcher::Stop() |
|
810 { |
|
811 LOG_FUNC |
|
812 |
|
813 LOG1( "WatcherState = %d", iState ); |
|
814 if( EUsbStarted == iState ) |
|
815 { |
|
816 iPersonalityHandler->StopPersonality( iStatus ); |
|
817 SetActive(); |
|
818 iState = EUsbStopping; |
|
819 |
|
820 } |
|
821 else if( EUsbStarting == iState ) |
|
822 { |
|
823 LOG( "Cancel ongoing start." ); |
|
824 Cancel(); |
|
825 } |
|
826 |
|
827 else |
|
828 { |
|
829 LOG( "Wrong state for Stop" ); |
|
830 } |
|
831 } |
|
832 |
|
833 // ---------------------------------------------------------------------------- |
|
834 // This method is used when there is need to change currently loaded |
|
835 // personality. |
|
836 // ---------------------------------------------------------------------------- |
|
837 // |
|
838 void CUsbWatcher::StopStart( TBool aNonBlocking ) |
|
839 { |
|
840 LOG_FUNC |
|
841 |
|
842 LOG1( "WatcherState = %d", iState ); |
|
843 if( iState == EUsbStarted ) |
|
844 { |
|
845 iState = EUsbConfirmStop; |
|
846 if( !aNonBlocking ) |
|
847 { |
|
848 iPersonalityHandler->ConfirmPersonalityUnload( iStatus ); |
|
849 SetActive(); |
|
850 } |
|
851 else |
|
852 { |
|
853 LOG( "CUsbWatcher::StopStart not confirming" ); |
|
854 SetActive(); |
|
855 TRequestStatus* status = &iStatus; |
|
856 User::RequestComplete( status, KErrNone ); |
|
857 } |
|
858 } |
|
859 else |
|
860 { |
|
861 LOG( "Wrong state to StopStart" ); |
|
862 } |
|
863 } |
|
864 |
|
865 // ---------------------------------------------------------------------------- |
|
866 // CUsbWatcherSession uses this method to register observer. |
|
867 // ---------------------------------------------------------------------------- |
|
868 // |
|
869 void CUsbWatcher::RegisterObserverL( MUsbWatcherNotify* aObserver ) |
|
870 { |
|
871 LOG_FUNC |
|
872 |
|
873 TInt index = iObservers.Find( aObserver ); |
|
874 if( index < 0 ) |
|
875 { |
|
876 iObservers.AppendL( aObserver ); |
|
877 } |
|
878 } |
|
879 |
|
880 // ---------------------------------------------------------------------------- |
|
881 // CUsbWatcherSession uses this method to deregister observer. |
|
882 // ---------------------------------------------------------------------------- |
|
883 // |
|
884 void CUsbWatcher::DeRegisterObserver( MUsbWatcherNotify* aObserver ) |
|
885 { |
|
886 LOG_FUNC |
|
887 |
|
888 TInt index = iObservers.Find( aObserver ); |
|
889 |
|
890 if( index >= 0 ) |
|
891 { |
|
892 iObservers.Remove( index ); |
|
893 } |
|
894 } |
|
895 |
|
896 // ---------------------------------------------------------------------------- |
|
897 // This method is used to complete any outstanding request. |
|
898 // ---------------------------------------------------------------------------- |
|
899 // |
|
900 void CUsbWatcher::Notify( TInt aStatus ) |
|
901 { |
|
902 LOG_FUNC |
|
903 |
|
904 LOG1( "aStatus = %d", aStatus ); |
|
905 TInt status = aStatus; |
|
906 |
|
907 // clear every time when notified |
|
908 iPersonalityChangeOngoing = EFalse; |
|
909 |
|
910 if( iSetPersonalityOngoing || iChangePersonalityOngoing ) |
|
911 { |
|
912 iSetPersonalityOngoing = EFalse; |
|
913 iChangePersonalityOngoing = EFalse; |
|
914 |
|
915 if( status == KErrNone ) |
|
916 { |
|
917 status = WritePersonalityId( iPersonalityId ); |
|
918 } |
|
919 else |
|
920 { |
|
921 // in case of error return to state before SetPersonality |
|
922 iPersonalityId = iPrevPersonalityId; |
|
923 iPrevPersonalityId = iOldPrevPersonalityId; |
|
924 } |
|
925 } |
|
926 |
|
927 if( iSetPreviousPersonalityOngoing ) |
|
928 { |
|
929 iSetPreviousPersonalityOngoing = EFalse; |
|
930 |
|
931 if( status == KErrNone ) |
|
932 { |
|
933 WritePersonalityId( iPersonalityId ); |
|
934 } |
|
935 else |
|
936 { |
|
937 // in case of error return to state before SetPreviousPersonality |
|
938 TInt temp = iPrevPersonalityId; |
|
939 |
|
940 iPrevPersonalityId = iPersonalityId; |
|
941 iPersonalityId = temp; |
|
942 } |
|
943 } |
|
944 |
|
945 for( TInt i = 0; i < iObservers.Count(); i++ ) |
|
946 { |
|
947 iObservers[i]->Notify( iPersonalityId, status ); |
|
948 } |
|
949 } |
|
950 |
|
951 // ---------------------------------------------------------------------------- |
|
952 // Stop loaded personality. Called from global state handler |
|
953 // ---------------------------------------------------------------------------- |
|
954 // |
|
955 void CUsbWatcher::StopPersonality() |
|
956 { |
|
957 LOG_FUNC |
|
958 // restore settings |
|
959 iPersonalityId = iPrevPersonalityId; |
|
960 |
|
961 Stop(); |
|
962 iStarted = EFalse; |
|
963 } |
|
964 |
|
965 // ---------------------------------------------------------------------------- |
|
966 // Start personality. Called from global state handler |
|
967 // ---------------------------------------------------------------------------- |
|
968 // |
|
969 void CUsbWatcher::StartPersonality() |
|
970 { |
|
971 LOG_FUNC |
|
972 |
|
973 if( !iStarted ) |
|
974 { |
|
975 Start(); |
|
976 } |
|
977 |
|
978 //start usbdevcon only in normal global state |
|
979 TInt globalState = CUsbGlobalSystemStateObserver::GlobalSystemState(); |
|
980 if( ( globalState == ESwStateNormalRfOn ) || |
|
981 ( globalState == ESwStateNormalRfOff ) || |
|
982 ( globalState == ESwStateNormalBTSap ) ) |
|
983 { |
|
984 iUsbDevConStarter->Start(); |
|
985 } |
|
986 } |
|
987 |
|
988 // ---------------------------------------------------------------------------- |
|
989 // Read default personality from ini file. Used in charging mode |
|
990 // ---------------------------------------------------------------------------- |
|
991 // |
|
992 TInt CUsbWatcher::GetChargingPersonalityId( TInt& aPersonalityId ) |
|
993 { |
|
994 LOG_FUNC |
|
995 |
|
996 TInt ret = iPersonalityRepository->Get( |
|
997 KUsbWatcherChargingDefaultPersonality, aPersonalityId ); |
|
998 return ret; |
|
999 } |
|
1000 |
|
1001 // ---------------------------------------------------------------------------- |
|
1002 // Check if there is an observer with ask on connection suppression |
|
1003 // ---------------------------------------------------------------------------- |
|
1004 // |
|
1005 TBool CUsbWatcher::IsAskOnConnectionSuppression() |
|
1006 { |
|
1007 LOG_FUNC |
|
1008 |
|
1009 TBool ret( EFalse ); |
|
1010 for( TInt i = 0; i < iObservers.Count(); i++ ) |
|
1011 { |
|
1012 if( iObservers[i]->IsAskOnConnectionSuppressed() ) |
|
1013 { |
|
1014 ret = ETrue; |
|
1015 break; |
|
1016 } |
|
1017 } |
|
1018 LOG1( "Return = %d", ret ); |
|
1019 return ret; |
|
1020 } |
|
1021 |
|
1022 // ---------------------------------------------------------------------------- |
|
1023 // Check current A or B device state |
|
1024 // ---------------------------------------------------------------------------- |
|
1025 // |
|
1026 TBool CUsbWatcher::IsDeviceA() |
|
1027 { |
|
1028 //NOT LOGGED |
|
1029 // return EFalse in non-OTG configuration otherwise ask UsbOtgWatcher |
|
1030 return iOtgWatcher ? iOtgWatcher->IsDeviceA() : EFalse; |
|
1031 } |
|
1032 |
|
1033 // End of file |