author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 18 Aug 2010 10:48:20 +0300 | |
changeset 75 | 809df41c314e |
parent 38 | 218231f2b3b3 |
child 85 | ad9d655827ef |
permissions | -rw-r--r-- |
35 | 1 |
/* |
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* Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: This implements CUsbWatcher class. |
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* |
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*/ |
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#include <ecom/ecom.h> |
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#include <utf.h> |
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#include <coreapplicationuisdomainpskeys.h> |
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//CleanupResetAndDestroyPushL |
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#include <mmf/common/mmfcontrollerpluginresolver.h> |
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#include <UsbWatcherInternalCRKeys.h> |
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#include <cusbpersonalitynotifier.h> |
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#include <UsbWatcherInternalPSKeys.h> |
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#include <e32property.h> |
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#include <startupdomainpskeys.h> //for global system state |
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#include "cusbwatcher.h" |
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#include "cusbactivestate.h" |
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#include "cusbactivepersonalityhandler.h" |
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#include "cusbwatchersession.h" |
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#include "cusbdevicelock.h" |
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#include "cusbdevconstarter.h" |
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#include "cusbglobalsystemstateobserver.h" |
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#include "cusbotgwatcher.h" |
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38 |
||
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_LIT_SECURITY_POLICY_PASS( KAlwaysPassPolicy ); |
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_LIT_SECURITY_POLICY_C1( KLocalServicesPolicy, ECapabilityLocalServices ); |
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||
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const TUint32 KUsbWatcherUseSerialNumber = 0x80000000; |
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const TUint32 KUsbWatcherPersonalityIdMask = 0x0000FFFF; |
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||
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// ============================ MEMBER FUNCTIONS ============================== |
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||
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// ---------------------------------------------------------------------------- |
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// C++ default constructor can NOT contain any code, that might leave. |
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// ---------------------------------------------------------------------------- |
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// |
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CUsbWatcher::CUsbWatcher() |
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: CActive( EPriorityStandard ) |
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{ |
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LOG_FUNC |
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CActiveScheduler::Add( this ); |
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} |
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// ---------------------------------------------------------------------------- |
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// Symbian 2nd phase constructor can leave. |
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// ---------------------------------------------------------------------------- |
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// |
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void CUsbWatcher::ConstructL() |
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{ |
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LOG_FUNC |
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LEAVEIFERROR( RProperty::Define( KPSUidUsbWatcher, |
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KUsbWatcherSelectedPersonality, RProperty::EInt, KAlwaysPassPolicy, |
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KLocalServicesPolicy ) ); |
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LEAVEIFERROR( RProperty::Set( KPSUidUsbWatcher, |
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KUsbWatcherSelectedPersonality, |
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KUsbWatcherSelectedPersonalityNone ) ); |
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iPersonalityRepository = CRepository::NewL( KCRUidUsbWatcher ); |
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LEAVEIFERROR( iPersonalityRepository->Get( KUsbWatcherPersonality, |
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iPersonalityId ) ); |
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LOG1( "iPersonalityId from CenRep = %d", iPersonalityId ); |
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iPrevPersonalityId = iPersonalityId; |
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iOldPrevPersonalityId = iPersonalityId; |
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LEAVEIFERROR( iUsbMan.Connect() ); |
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TInt ret = iUsbMan.SetCtlSessionMode( ETrue ); |
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if( KErrNone == ret ) |
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{ |
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LOG( "Creating CUsbOtgWatcher..." ); |
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iOtgWatcher = CUsbOtgWatcher::NewL( iUsbMan ); |
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} |
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else if( KErrNotSupported == ret ) |
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{ |
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LOG( "Non-OTG configuration detected!" ); |
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} |
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else |
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{ |
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LOG( "ERROR: is there another USB Control process? LEAVE" ); |
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LEAVE( ret ); |
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} |
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iPersonalityHandler |
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= CUsbActivePersonalityHandler::NewL( iUsbMan, *this ); |
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GetPersonalityPluginsL(); |
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iUsbDeviceLock = CUsbDeviceLock::NewL( *this ); |
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iUsbDeviceLock->Subscribe(); |
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iGlobalStateObserver = CUsbGlobalSystemStateObserver::NewL( *this ); |
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iUsbDevConStarter = CUsbDevConStarter::NewL(); |
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iActiveState = CUsbActiveState::NewL( iUsbMan, *this ); |
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38
218231f2b3b3
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
35
diff
changeset
|
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iUsbIndicatorHandler = CUsbIndicatorHandler::NewL(); |
35 | 110 |
} |
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// ---------------------------------------------------------------------------- |
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// Two-phased constructor. |
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// ---------------------------------------------------------------------------- |
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// |
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CUsbWatcher* CUsbWatcher::NewL() |
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{ |
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LOG_FUNC |
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CUsbWatcher* self = new ( ELeave ) CUsbWatcher(); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop(); // pop self |
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return self; |
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} |
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// ---------------------------------------------------------------------------- |
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// Destructor. |
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// ---------------------------------------------------------------------------- |
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// |
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CUsbWatcher::~CUsbWatcher() |
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{ |
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LOG_FUNC |
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RProperty::Delete( KPSUidUsbWatcher, KUsbWatcherSelectedPersonality ); |
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iUsbMan.Close(); |
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iObservers.Reset(); |
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if( iUsbDeviceLock ) |
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{ |
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iUsbDeviceLock->Cancel(); |
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} |
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delete iActiveState; |
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delete iUsbDevConStarter; |
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delete iPersonalityHandler; |
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delete iPersonalityRepository; |
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delete iOtgWatcher; |
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delete iUsbDeviceLock; |
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delete iGlobalStateObserver; |
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iSupportedPersonalities.Close(); |
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38
218231f2b3b3
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
35
diff
changeset
|
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delete iUsbIndicatorHandler; |
35 | 152 |
} |
153 |
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// ---------------------------------------------------------------------------- |
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// Get personality plugins. Note that this is done only in normal mode. |
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// ---------------------------------------------------------------------------- |
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// |
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void CUsbWatcher::GetPersonalityPluginsL() |
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{ |
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LOG_FUNC |
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// Get personality plugins |
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RImplInfoPtrArray implementations; |
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CleanupResetAndDestroyPushL( implementations ); |
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||
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const TEComResolverParams noResolverParams; |
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REComSession::ListImplementationsL( KUidPersonalityPlugIns, |
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noResolverParams, KRomOnlyResolverUid, implementations ); |
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TInt personalityNum = implementations.Count(); |
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LOG1( "Number of PersonalityPlugin(s): %d", personalityNum ); |
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if( personalityNum < 1 ) |
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{ |
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LOG( "No PersonalityPlugin available. LEAVE" ); |
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LEAVE( KErrGeneral ); |
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} |
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for( TInt i = 0; i < personalityNum; i++ ) |
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{ |
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TUsbSupportedPersonalityInf inf; |
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TLex8 lex; |
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TUint32 confValue; |
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// save implementation uid |
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inf.iPersonalityUid = implementations[i]->ImplementationUid(); |
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lex.Assign( implementations[i]->DataType() ); |
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if( lex.Val( confValue, EHex ) != KErrNone ) |
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{ |
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CleanupStack::PopAndDestroy( &implementations ); |
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iSupportedPersonalities.Close(); |
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LEAVE( KErrGeneral ); |
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} |
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// check whether personality requires serial number |
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if( confValue & KUsbWatcherUseSerialNumber ) |
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{ |
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inf.iUseSerialNumber = ETrue; |
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} |
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else |
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{ |
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inf.iUseSerialNumber = EFalse; |
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} |
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// save personality id |
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inf.iPersonalityId = static_cast<TInt>( ( KUsbWatcherPersonalityIdMask |
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& confValue ) ); |
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LOG1( "PersonalityId = %d" , inf.iPersonalityId ); |
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iSupportedPersonalities.AppendL( inf ); |
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} |
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CleanupStack::PopAndDestroy( &implementations ); |
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} |
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// ---------------------------------------------------------------------------- |
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// This method notifies CUsbWatcher class about USB state changes. |
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// ---------------------------------------------------------------------------- |
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// |
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38
218231f2b3b3
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
35
diff
changeset
|
222 |
void CUsbWatcher::StateChangeNotifyL( TUsbDeviceState aStateOld, |
35 | 223 |
TUsbDeviceState aStateNew ) |
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{ |
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LOG_FUNC |
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// Handling USB indicator. This is valid for both A- and B-device cases. |
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// Not show USB indicator in charging mode |
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if ( iNormalStart ) |
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{ |
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38
218231f2b3b3
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
35
diff
changeset
|
231 |
iUsbIndicatorHandler->HandleDeviceStateChangeL( aStateOld, aStateNew, iPersonalityId ); |
35 | 232 |
} |
233 |
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if ( IsDeviceA() ) // Will be handled by UsbOtgWatcher |
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{ |
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LOG( "Device state change ignored by UsbWatcher in A-device state" ); |
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return; |
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} |
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LOG1( "WatcherState = %d", iState ); |
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// Notify personality handler first |
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switch( aStateNew ) |
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{ |
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case EUsbDeviceStatePowered: |
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// Case for Attached state missed |
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// NO break here; |
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case EUsbDeviceStateAttached: |
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{ |
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if( EUsbDeviceStateUndefined != aStateOld ) |
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{ |
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LOG1( "Not starting personality, previous state: %d", |
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aStateOld); |
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break; |
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} |
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LOG1( "Starting USB personality in device state: %d", aStateNew ); |
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iPersonalityHandler->StateChangeNotify( aStateOld, aStateNew ); |
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if( ( iState == EUsbIdle ) && !iPersonalityChangeOngoing ) |
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{ |
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Start(); |
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} |
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else if( ( iState != EUsbStarted ) && !iPersonalityChangeOngoing ) |
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{ |
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Cancel(); |
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Start(); |
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} |
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//start usbdevcon only in normal global state |
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TInt globalState = |
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CUsbGlobalSystemStateObserver::GlobalSystemState(); |
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if( ( ESwStateNormalRfOn == globalState ) || |
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( ESwStateNormalRfOff == globalState ) || |
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( ESwStateNormalBTSap == globalState ) ) |
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{ |
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iUsbDevConStarter->Start(); |
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} |
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} |
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break; |
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case EUsbDeviceStateUndefined: |
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{ |
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iGlobalStateObserver->Cancel(); |
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// Notify clients currently loaded personality will be unloaded |
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iPersonalityHandler->StateChangeNotify( aStateOld, aStateNew ); |
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iUsbDevConStarter->StopRestarting(); |
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// This must be done before Notify() |
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if( iSetPreviousPersonalityOnDisconnect ) |
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{ |
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TInt temp = iPersonalityId; |
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iPersonalityId = iPrevPersonalityId; |
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iPrevPersonalityId = temp; |
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WritePersonalityId( iPersonalityId ); |
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iSetPreviousPersonalityOnDisconnect = EFalse; |
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} |
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296 |
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Notify( KErrCancel ); |
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if (iState == EUsbStarting) |
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{ |
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300 |
LOG( "StartCancel USB" ); |
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Cancel(); |
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302 |
} |
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303 |
else |
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304 |
{ |
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305 |
LOG( "Stop USB" ); |
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307 |
if( EUsbConfirmStop == iState ) |
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{ |
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// We have request pending on personality handler |
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Cancel(); |
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311 |
} |
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312 |
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Stop(); |
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} |
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} |
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break; |
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317 |
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default: |
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319 |
if ( EUsbStarted == iState ) |
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320 |
{ |
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321 |
iPersonalityHandler->StateChangeNotify( aStateOld, aStateNew ); |
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} |
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break; |
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} |
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} |
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326 |
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// ---------------------------------------------------------------------------- |
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328 |
// From class CActive. |
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329 |
// This method cancels any outstanding request. |
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330 |
// ---------------------------------------------------------------------------- |
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331 |
// |
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332 |
void CUsbWatcher::DoCancel() |
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{ |
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334 |
LOG_FUNC |
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335 |
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336 |
LOG1( "WatcherState = %d", iState ); |
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if( ( EUsbStarting == iState ) || ( EUsbStopping == iState ) ) |
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338 |
{ |
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339 |
iPersonalityHandler->Cancel(); |
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340 |
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341 |
RProperty::Set( KPSUidUsbWatcher, |
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342 |
KUsbWatcherSelectedPersonality, |
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343 |
KUsbWatcherSelectedPersonalityNone ); |
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344 |
LOG( "personality set to none" ); |
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345 |
||
346 |
iState = EUsbIdle; |
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347 |
} |
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348 |
else if( EUsbConfirmStop == iState ) |
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349 |
{ |
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350 |
iPersonalityHandler->Cancel(); |
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351 |
iState = EUsbStarted; |
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352 |
} |
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353 |
else |
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354 |
{ |
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355 |
LOG( "Nothingh to cancel" ); |
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356 |
} |
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357 |
} |
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358 |
||
359 |
// ---------------------------------------------------------------------------- |
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360 |
// This method implements state machine for personality start and stop. |
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361 |
// ---------------------------------------------------------------------------- |
|
362 |
// |
|
363 |
void CUsbWatcher::RunL() |
|
364 |
{ |
|
365 |
LOG_FUNC |
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366 |
||
367 |
LOG1( "WatcherState = %d", iState ); |
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368 |
TInt ret = iStatus.Int(); |
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369 |
if ( KErrNone != ret ) |
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370 |
{ |
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371 |
LOG1( "ERROR: CUsbWatcher::RunL iStatus = %d", ret ); |
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372 |
} |
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373 |
||
374 |
switch ( iState ) |
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375 |
{ |
|
376 |
case EUsbStarting: |
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377 |
LOG( "Personality started" ); |
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378 |
Notify( ret ); |
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379 |
if( iStopStartScenario ) |
|
380 |
{ |
|
381 |
iStopStartScenario = EFalse; |
|
382 |
} |
|
383 |
//check if StartPersonality() fails |
|
384 |
LEAVEIFERROR( ret ); |
|
385 |
iState = EUsbStarted; |
|
386 |
break; |
|
387 |
||
388 |
case EUsbStopping: |
|
389 |
LOG( "Personality stopped" ); |
|
390 |
iState = EUsbIdle; |
|
391 |
if( iStopStartScenario ) |
|
392 |
{ |
|
393 |
Start(); |
|
394 |
} |
|
395 |
else |
|
396 |
{ |
|
397 |
RProperty::Set( KPSUidUsbWatcher, |
|
398 |
KUsbWatcherSelectedPersonality, |
|
399 |
KUsbWatcherSelectedPersonalityNone ); |
|
400 |
} |
|
401 |
break; |
|
402 |
||
403 |
case EUsbStarted: |
|
404 |
if( iStopStartScenario ) |
|
405 |
{ |
|
406 |
break; |
|
407 |
} |
|
408 |
||
409 |
iPersonalityHandler->StopPersonality( iStatus ); |
|
410 |
SetActive(); |
|
411 |
iState = EUsbStopping; |
|
412 |
break; |
|
413 |
||
414 |
case EUsbIdle: |
|
415 |
if( iStopStartScenario ) |
|
416 |
{ |
|
417 |
Start(); |
|
418 |
} |
|
419 |
break; |
|
420 |
||
421 |
case EUsbConfirmStop: |
|
422 |
if( iStatus == KErrNone ) |
|
423 |
{ |
|
424 |
iStopStartScenario = ETrue; |
|
425 |
iPersonalityHandler->StopPersonality( iStatus ); |
|
426 |
SetActive(); |
|
427 |
iState = EUsbStopping; |
|
428 |
} |
|
429 |
else |
|
430 |
{ |
|
431 |
Notify( ret ); |
|
432 |
iState = EUsbStarted; |
|
433 |
} |
|
434 |
break; |
|
435 |
||
436 |
default: |
|
437 |
LOG( "ERROR: unexpected state" ); |
|
438 |
PANIC( KErrGeneral ); |
|
439 |
break; |
|
440 |
} |
|
441 |
} |
|
442 |
||
443 |
// ---------------------------------------------------------------------------- |
|
444 |
// This method is not called cause RunL() never leaves. |
|
445 |
// ---------------------------------------------------------------------------- |
|
446 |
// |
|
447 |
TInt CUsbWatcher::RunError(TInt aError) |
|
448 |
{ |
|
449 |
LOG_FUNC |
|
450 |
||
451 |
LOG2("Returned error: %d, iState: %d", aError, iState); |
|
452 |
if ( iState == EUsbStarting ) |
|
453 |
{ |
|
454 |
RProperty::Set( KPSUidUsbWatcher, |
|
455 |
KUsbWatcherSelectedPersonality, |
|
456 |
KUsbWatcherSelectedPersonalityNone ); |
|
457 |
LOG( "personality set to none" ); |
|
458 |
||
459 |
iState = EUsbIdle; |
|
460 |
} |
|
461 |
||
462 |
return KErrNone; |
|
463 |
} |
|
464 |
||
465 |
// ---------------------------------------------------------------------------- |
|
466 |
// Function is called when state of the device is locked. |
|
467 |
// ---------------------------------------------------------------------------- |
|
468 |
// |
|
469 |
void CUsbWatcher::Lock() |
|
470 |
{ |
|
471 |
LOG_FUNC |
|
472 |
||
473 |
if( IsDeviceA() ) // Not applicable in case of A-device |
|
474 |
{ |
|
475 |
LOG( "Lock ignored in A-device state" ); |
|
476 |
return; |
|
477 |
} |
|
478 |
||
479 |
||
480 |
TUsbDeviceState state = iActiveState->CurrentState(); |
|
481 |
||
482 |
LOG1( "USB device state after lock: %d", state ); |
|
483 |
||
484 |
if( EUsbDeviceStateUndefined != state ) // Stop personality |
|
485 |
{ |
|
486 |
LOG( "Stopping USB persoanlity on device remote-lock" ); |
|
487 |
||
488 |
iPersonalityHandler->CancelCableConnectedNotifier(); |
|
489 |
||
490 |
if( iState != EUsbStarted ) |
|
491 |
{ |
|
492 |
Cancel(); |
|
493 |
} |
|
494 |
else |
|
495 |
{ |
|
496 |
Stop(); |
|
497 |
} |
|
498 |
} |
|
499 |
} |
|
500 |
||
501 |
// ---------------------------------------------------------------------------- |
|
502 |
// Function is called when state of the device is unlocked. |
|
503 |
// ---------------------------------------------------------------------------- |
|
504 |
// |
|
505 |
void CUsbWatcher::Unlock() |
|
506 |
{ |
|
507 |
LOG_FUNC |
|
508 |
||
509 |
if( IsDeviceA() ) // Not applicable in case of A-device |
|
510 |
{ |
|
511 |
LOG( "Unlock ignored in A-device state" ); |
|
512 |
return; |
|
513 |
} |
|
514 |
||
515 |
TUsbDeviceState state = iActiveState->CurrentState(); |
|
516 |
||
517 |
LOG1( "USB device state after unlock: %d", state ); |
|
518 |
if( EUsbDeviceStateAttached == state || EUsbDeviceStatePowered == state) |
|
519 |
{ |
|
520 |
LOG( "Starting USB personality" ); |
|
75
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
521 |
Start(); |
35 | 522 |
} |
523 |
} |
|
524 |
||
525 |
// ---------------------------------------------------------------------------- |
|
526 |
// This method is called when client wants to set new personality. |
|
527 |
// ---------------------------------------------------------------------------- |
|
528 |
// |
|
529 |
void CUsbWatcher::SetPersonality( TInt aPersonalityId, TBool aNonBlocking ) |
|
530 |
{ |
|
531 |
LOG_FUNC |
|
532 |
||
533 |
LOG2( "aPersonalityId=%d, aNonBlocking=%d", aPersonalityId, aNonBlocking ); |
|
534 |
||
535 |
// Check if personality is exist |
|
536 |
TBool found = EFalse; |
|
537 |
||
538 |
for( TInt i = 0; i < iSupportedPersonalities.Count(); i++ ) |
|
539 |
{ |
|
540 |
if( iSupportedPersonalities[i].iPersonalityId == aPersonalityId ) |
|
541 |
{ |
|
542 |
found = ETrue; |
|
543 |
} |
|
544 |
} |
|
545 |
||
546 |
if( !found ) |
|
547 |
{ |
|
548 |
Notify( KErrNotFound ); |
|
549 |
return; |
|
550 |
} |
|
551 |
||
552 |
iSetPersonalityOngoing = ETrue; |
|
553 |
iPersonalityChangeOngoing = ETrue; |
|
554 |
||
555 |
//The previous personality is not changed, if the client wanted the |
|
556 |
//previous personality change to be temporary. The client has to call |
|
557 |
//SetPreviousPersonalityOnDisconnect after each SetPersonality to be |
|
558 |
//intended as temporary. |
|
559 |
if( iSetPreviousPersonalityOnDisconnect ) |
|
560 |
{ |
|
561 |
iSetPreviousPersonalityOnDisconnect = EFalse; |
|
562 |
} |
|
563 |
else |
|
564 |
{ |
|
565 |
iOldPrevPersonalityId = iPrevPersonalityId; |
|
566 |
iPrevPersonalityId = iPersonalityId; |
|
567 |
LOG( "CUsbWatcher::SetPersonality setting previous" ); |
|
568 |
} |
|
569 |
LOG1( " iPrevPersonalityId = %d", iPrevPersonalityId ); |
|
570 |
if( iPersonalityId != aPersonalityId ) |
|
571 |
{ |
|
572 |
iPersonalityId = aPersonalityId; |
|
573 |
SwitchPersonality( aNonBlocking ); |
|
574 |
} |
|
575 |
else |
|
576 |
{ |
|
577 |
Notify( KErrNone ); |
|
578 |
} |
|
579 |
} |
|
580 |
||
581 |
// ---------------------------------------------------------------------------- |
|
582 |
// This method is called when client wants to cancel set personality. |
|
583 |
// ---------------------------------------------------------------------------- |
|
584 |
// |
|
585 |
void CUsbWatcher::CancelSetPersonality() |
|
586 |
{ |
|
587 |
LOG_FUNC |
|
588 |
||
589 |
Notify( KErrCancel ); |
|
590 |
iPersonalityChangeOngoing = ETrue; |
|
591 |
iStopStartScenario = EFalse; |
|
592 |
SwitchPersonality(); |
|
593 |
} |
|
594 |
||
595 |
// ---------------------------------------------------------------------------- |
|
596 |
// This method is called when client wants to set previous personality. |
|
597 |
// ---------------------------------------------------------------------------- |
|
598 |
// |
|
599 |
void CUsbWatcher::SetPreviousPersonality() |
|
600 |
{ |
|
601 |
LOG_FUNC |
|
602 |
||
603 |
if( IsDeviceA() ) |
|
604 |
{ |
|
605 |
LOG( "SetPreviousPersonality not allowed in A-device state" ); |
|
606 |
Notify( KErrAccessDenied ); |
|
607 |
return; |
|
608 |
} |
|
609 |
||
610 |
TInt temp = iPersonalityId; |
|
611 |
iSetPreviousPersonalityOnDisconnect = EFalse; |
|
612 |
||
613 |
iPersonalityId = iPrevPersonalityId; |
|
614 |
iPrevPersonalityId = temp; |
|
615 |
iSetPreviousPersonalityOngoing = ETrue; |
|
616 |
iPersonalityChangeOngoing = ETrue; |
|
617 |
||
618 |
if( iPersonalityId != iPrevPersonalityId ) |
|
619 |
{ |
|
620 |
SwitchPersonality(); |
|
621 |
} |
|
622 |
else |
|
623 |
{ |
|
624 |
Notify( KErrNone ); |
|
625 |
} |
|
626 |
} |
|
627 |
||
628 |
// ---------------------------------------------------------------------------- |
|
629 |
// This method is called when client wants to cancel set previous personality. |
|
630 |
// ---------------------------------------------------------------------------- |
|
631 |
// |
|
632 |
void CUsbWatcher::CancelSetPreviousPersonality() |
|
633 |
{ |
|
634 |
LOG_FUNC |
|
635 |
||
636 |
Notify( KErrCancel ); |
|
637 |
iPersonalityChangeOngoing = ETrue; |
|
638 |
iStopStartScenario = EFalse; |
|
639 |
SwitchPersonality(); |
|
640 |
} |
|
641 |
||
642 |
// ---------------------------------------------------------------------------- |
|
643 |
// This method is called when client wants to set previous personality on |
|
644 |
// disconnect. |
|
645 |
// ---------------------------------------------------------------------------- |
|
646 |
// |
|
647 |
void CUsbWatcher::SetPreviousPersonalityOnDisconnect() |
|
648 |
{ |
|
649 |
LOG_FUNC |
|
650 |
||
651 |
if( IsDeviceA() ) |
|
652 |
{ |
|
653 |
LOG( "Not allowed in A-device state" ); |
|
654 |
Notify( KErrAccessDenied ); |
|
655 |
return; |
|
656 |
} |
|
657 |
||
658 |
TUsbDeviceState state = iActiveState->CurrentState(); |
|
659 |
LOG1( "Device state : %d", state ); |
|
660 |
if( state != EUsbDeviceStateUndefined ) |
|
661 |
{ |
|
662 |
iSetPreviousPersonalityOnDisconnect = ETrue; |
|
663 |
} |
|
664 |
} |
|
665 |
||
666 |
// ---------------------------------------------------------------------------- |
|
667 |
// This method starts personality change, if there is cable connected. |
|
668 |
// ---------------------------------------------------------------------------- |
|
669 |
// |
|
670 |
void CUsbWatcher::SwitchPersonality( TBool aNonBlocking ) |
|
671 |
{ |
|
672 |
LOG_FUNC |
|
673 |
||
674 |
||
675 |
TUsbDeviceState state = iActiveState->CurrentState(); |
|
676 |
LOG2( "IsDeviceA: %d, Device state : %d", IsDeviceA(), state ); |
|
677 |
||
678 |
// As A-device, only cenrep will be updated for the reasons of |
|
679 |
// - In A-host state, device state will be undefined |
|
680 |
// - In A-peripheral state, personality change can not happen otherwise |
|
681 |
// the connection will be lost |
|
682 |
if ( IsDeviceA() || ( EUsbDeviceStateUndefined == state ) ) |
|
683 |
{ |
|
684 |
// if no connection -> just save the setting |
|
685 |
LOG( "CUsbWatcher::SwitchPersonality: Notify" ); |
|
686 |
Notify( KErrNone ); |
|
687 |
} |
|
688 |
else |
|
689 |
{ |
|
690 |
switch ( iState ) |
|
691 |
{ |
|
692 |
case EUsbStopping: |
|
693 |
case EUsbStarting: |
|
694 |
{ |
|
695 |
LOG( "CUsbWatcher::SwitchPersonality: Cancel & Start USB" ); |
|
696 |
Cancel(); |
|
697 |
Start(); |
|
698 |
} |
|
699 |
break; |
|
700 |
case EUsbConfirmStop: |
|
701 |
{ |
|
702 |
Cancel(); |
|
703 |
iState = EUsbStarted; |
|
704 |
StopStart( aNonBlocking ); |
|
705 |
} |
|
706 |
break; |
|
707 |
case EUsbStarted: |
|
708 |
{ |
|
709 |
LOG( "CUsbWatcher::SwitchPersonality: Stop & Start USB" ); |
|
710 |
StopStart( aNonBlocking ); |
|
711 |
} |
|
712 |
break; |
|
713 |
default: |
|
714 |
{ |
|
715 |
LOG( "CUsbWatcher::SwitchPersonality: Start USB" ); |
|
716 |
Start(); |
|
717 |
} |
|
718 |
break; |
|
719 |
} |
|
720 |
} |
|
721 |
} |
|
722 |
||
723 |
// ---------------------------------------------------------------------------- |
|
724 |
// This method starts personality loading or continues stop start scenario. |
|
725 |
// ---------------------------------------------------------------------------- |
|
726 |
// |
|
727 |
void CUsbWatcher::Start() |
|
728 |
{ |
|
729 |
LOG_FUNC |
|
730 |
||
731 |
TInt globalState = CUsbGlobalSystemStateObserver::GlobalSystemState(); |
|
732 |
||
733 |
if( iState == EUsbIdle ) |
|
734 |
{ |
|
735 |
iStarted = EFalse; |
|
736 |
iNormalStart = EFalse; |
|
737 |
if( globalState == ESwStateCharging ) |
|
738 |
{ |
|
739 |
LOG( "Global state: charging" ); |
|
740 |
iGlobalStateObserver->Subscribe(); |
|
741 |
iPrevPersonalityId=iPersonalityId; |
|
742 |
TInt ret = GetChargingPersonalityId( iPersonalityId ); |
|
743 |
//do not start if charging personality not assigned |
|
744 |
if( KErrNone == ret ) |
|
745 |
{ |
|
746 |
RProperty::Set( KPSUidUsbWatcher, |
|
747 |
KUsbWatcherSelectedPersonality, iPersonalityId ); |
|
748 |
iStarted = ETrue; |
|
749 |
// Restore personality to normal in charging mode |
|
750 |
iSetPreviousPersonalityOnDisconnect = ETrue; |
|
75
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
751 |
iPersonalityHandler->StartPersonality( iPersonalityId, iStatus ); |
35 | 752 |
} |
753 |
else |
|
754 |
{ |
|
755 |
LOG1( "GetChargingPersonalityId = %d. Not started", ret ); |
|
756 |
} |
|
757 |
} |
|
758 |
else if( ( ( ESwStateNormalRfOn == globalState ) || |
|
759 |
( ESwStateNormalRfOff == globalState ) || |
|
760 |
( ESwStateNormalBTSap == globalState ) )) |
|
761 |
{ |
|
762 |
LOG( "Global state: normal" ); |
|
763 |
iNormalStart = ETrue; |
|
764 |
if( ! iUsbDeviceLock->Locked() ) |
|
765 |
{ |
|
766 |
iGlobalStateObserver->Cancel(); |
|
767 |
RProperty::Set( KPSUidUsbWatcher, |
|
768 |
KUsbWatcherSelectedPersonality, iPersonalityId ); |
|
769 |
iStarted = ETrue; |
|
75
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
770 |
iPersonalityHandler->StartPersonality( iPersonalityId, iStatus ); |
35 | 771 |
} |
772 |
else |
|
773 |
{ |
|
774 |
LOG( "Device LOCKED, USB personality NOT start" ); |
|
775 |
} |
|
776 |
} |
|
777 |
else |
|
778 |
{ |
|
779 |
LOG1( "Global state: = %d", globalState ); |
|
780 |
//Cable connected in e.g. ChargingToNormal state and |
|
781 |
// personality started later in a normal state. |
|
782 |
iGlobalStateObserver->Subscribe(); |
|
783 |
} |
|
784 |
if( iStarted ) |
|
785 |
{ |
|
786 |
SetActive(); |
|
787 |
iState = EUsbStarting; |
|
788 |
} |
|
789 |
} |
|
790 |
else |
|
791 |
{ |
|
792 |
LOG( "Tryign to call CUsbWatcher::Start in non-idle state " ); |
|
793 |
PANIC( KErrGeneral ); |
|
794 |
} |
|
795 |
} |
|
796 |
||
797 |
// ---------------------------------------------------------------------------- |
|
798 |
// This method starts personality unloading or cancels personality start. |
|
799 |
// ---------------------------------------------------------------------------- |
|
800 |
// |
|
801 |
void CUsbWatcher::Stop() |
|
802 |
{ |
|
803 |
LOG_FUNC |
|
804 |
||
805 |
LOG1( "WatcherState = %d", iState ); |
|
806 |
if( EUsbStarted == iState ) |
|
807 |
{ |
|
808 |
iPersonalityHandler->StopPersonality( iStatus ); |
|
809 |
SetActive(); |
|
810 |
iState = EUsbStopping; |
|
811 |
||
812 |
} |
|
813 |
else if( EUsbStarting == iState ) |
|
814 |
{ |
|
815 |
LOG( "Cancel ongoing start." ); |
|
816 |
Cancel(); |
|
817 |
} |
|
818 |
||
819 |
else |
|
820 |
{ |
|
821 |
LOG( "Wrong state for Stop" ); |
|
822 |
} |
|
823 |
} |
|
824 |
||
825 |
// ---------------------------------------------------------------------------- |
|
826 |
// This method is used when there is need to change currently loaded |
|
827 |
// personality. |
|
828 |
// ---------------------------------------------------------------------------- |
|
829 |
// |
|
830 |
void CUsbWatcher::StopStart( TBool aNonBlocking ) |
|
831 |
{ |
|
832 |
LOG_FUNC |
|
833 |
||
834 |
LOG1( "WatcherState = %d", iState ); |
|
835 |
if( iState == EUsbStarted ) |
|
836 |
{ |
|
837 |
iState = EUsbConfirmStop; |
|
838 |
if( !aNonBlocking ) |
|
839 |
{ |
|
840 |
iPersonalityHandler->ConfirmPersonalityUnload( iStatus ); |
|
841 |
SetActive(); |
|
842 |
} |
|
843 |
else |
|
844 |
{ |
|
845 |
LOG( "CUsbWatcher::StopStart not confirming" ); |
|
846 |
SetActive(); |
|
847 |
TRequestStatus* status = &iStatus; |
|
848 |
User::RequestComplete( status, KErrNone ); |
|
849 |
} |
|
850 |
} |
|
851 |
else |
|
852 |
{ |
|
853 |
LOG( "Wrong state to StopStart" ); |
|
854 |
} |
|
855 |
} |
|
856 |
||
857 |
// ---------------------------------------------------------------------------- |
|
858 |
// CUsbWatcherSession uses this method to register observer. |
|
859 |
// ---------------------------------------------------------------------------- |
|
860 |
// |
|
861 |
void CUsbWatcher::RegisterObserverL( MUsbWatcherNotify* aObserver ) |
|
862 |
{ |
|
863 |
LOG_FUNC |
|
864 |
||
865 |
TInt index = iObservers.Find( aObserver ); |
|
866 |
if( index < 0 ) |
|
867 |
{ |
|
868 |
iObservers.AppendL( aObserver ); |
|
869 |
} |
|
870 |
} |
|
871 |
||
872 |
// ---------------------------------------------------------------------------- |
|
873 |
// CUsbWatcherSession uses this method to deregister observer. |
|
874 |
// ---------------------------------------------------------------------------- |
|
875 |
// |
|
876 |
void CUsbWatcher::DeRegisterObserver( MUsbWatcherNotify* aObserver ) |
|
877 |
{ |
|
878 |
LOG_FUNC |
|
879 |
||
880 |
TInt index = iObservers.Find( aObserver ); |
|
881 |
||
882 |
if( index >= 0 ) |
|
883 |
{ |
|
884 |
iObservers.Remove( index ); |
|
885 |
} |
|
886 |
} |
|
887 |
||
888 |
// ---------------------------------------------------------------------------- |
|
889 |
// This method is used to complete any outstanding request. |
|
890 |
// ---------------------------------------------------------------------------- |
|
891 |
// |
|
892 |
void CUsbWatcher::Notify( TInt aStatus ) |
|
893 |
{ |
|
894 |
LOG_FUNC |
|
895 |
||
896 |
LOG1( "aStatus = %d", aStatus ); |
|
897 |
TInt status = aStatus; |
|
898 |
||
899 |
// clear every time when notified |
|
900 |
iPersonalityChangeOngoing = EFalse; |
|
901 |
||
902 |
if( iSetPersonalityOngoing || iChangePersonalityOngoing ) |
|
903 |
{ |
|
904 |
iSetPersonalityOngoing = EFalse; |
|
905 |
iChangePersonalityOngoing = EFalse; |
|
906 |
||
907 |
if( status == KErrNone ) |
|
908 |
{ |
|
909 |
status = WritePersonalityId( iPersonalityId ); |
|
910 |
} |
|
911 |
else |
|
912 |
{ |
|
913 |
// in case of error return to state before SetPersonality |
|
914 |
iPersonalityId = iPrevPersonalityId; |
|
915 |
iPrevPersonalityId = iOldPrevPersonalityId; |
|
916 |
} |
|
917 |
} |
|
918 |
||
919 |
if( iSetPreviousPersonalityOngoing ) |
|
920 |
{ |
|
921 |
iSetPreviousPersonalityOngoing = EFalse; |
|
922 |
||
923 |
if( status == KErrNone ) |
|
924 |
{ |
|
925 |
WritePersonalityId( iPersonalityId ); |
|
926 |
} |
|
927 |
else |
|
928 |
{ |
|
929 |
// in case of error return to state before SetPreviousPersonality |
|
930 |
TInt temp = iPrevPersonalityId; |
|
931 |
||
932 |
iPrevPersonalityId = iPersonalityId; |
|
933 |
iPersonalityId = temp; |
|
934 |
} |
|
935 |
} |
|
936 |
||
937 |
for( TInt i = 0; i < iObservers.Count(); i++ ) |
|
938 |
{ |
|
939 |
iObservers[i]->Notify( iPersonalityId, status ); |
|
940 |
} |
|
941 |
} |
|
942 |
||
943 |
// ---------------------------------------------------------------------------- |
|
944 |
// Stop loaded personality. Called from global state handler |
|
945 |
// ---------------------------------------------------------------------------- |
|
946 |
// |
|
947 |
void CUsbWatcher::StopPersonality() |
|
948 |
{ |
|
949 |
LOG_FUNC |
|
950 |
// restore settings |
|
951 |
iPersonalityId = iPrevPersonalityId; |
|
952 |
||
953 |
Stop(); |
|
954 |
iStarted = EFalse; |
|
955 |
} |
|
956 |
||
957 |
// ---------------------------------------------------------------------------- |
|
958 |
// Start personality. Called from global state handler |
|
959 |
// ---------------------------------------------------------------------------- |
|
960 |
// |
|
961 |
void CUsbWatcher::StartPersonality() |
|
962 |
{ |
|
963 |
LOG_FUNC |
|
964 |
||
965 |
if( !iStarted ) |
|
966 |
{ |
|
967 |
Start(); |
|
968 |
} |
|
969 |
||
970 |
//start usbdevcon only in normal global state |
|
971 |
TInt globalState = CUsbGlobalSystemStateObserver::GlobalSystemState(); |
|
972 |
if( ( globalState == ESwStateNormalRfOn ) || |
|
973 |
( globalState == ESwStateNormalRfOff ) || |
|
974 |
( globalState == ESwStateNormalBTSap ) ) |
|
975 |
{ |
|
976 |
iUsbDevConStarter->Start(); |
|
977 |
} |
|
978 |
} |
|
979 |
||
980 |
// ---------------------------------------------------------------------------- |
|
981 |
// Read default personality from ini file. Used in charging mode |
|
982 |
// ---------------------------------------------------------------------------- |
|
983 |
// |
|
984 |
TInt CUsbWatcher::GetChargingPersonalityId( TInt& aPersonalityId ) |
|
985 |
{ |
|
986 |
LOG_FUNC |
|
987 |
||
988 |
TInt ret = iPersonalityRepository->Get( |
|
989 |
KUsbWatcherChargingDefaultPersonality, aPersonalityId ); |
|
990 |
return ret; |
|
991 |
} |
|
992 |
||
75
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
993 |
|
35 | 994 |
|
995 |
// ---------------------------------------------------------------------------- |
|
996 |
// Check current A or B device state |
|
997 |
// ---------------------------------------------------------------------------- |
|
998 |
// |
|
999 |
TBool CUsbWatcher::IsDeviceA() |
|
1000 |
{ |
|
1001 |
//NOT LOGGED |
|
1002 |
// return EFalse in non-OTG configuration otherwise ask UsbOtgWatcher |
|
1003 |
return iOtgWatcher ? iOtgWatcher->IsDeviceA() : EFalse; |
|
1004 |
} |
|
1005 |
||
1006 |
// ---------------------------------------------------------------------------- |
|
1007 |
// Write new personality to central repository. |
|
1008 |
// ---------------------------------------------------------------------------- |
|
1009 |
// |
|
1010 |
TInt CUsbWatcher::WritePersonalityId( TInt aPersonalityId ) |
|
1011 |
{ |
|
1012 |
LOG_FUNC |
|
1013 |
||
1014 |
// Save as the default personality only if it is not hidden |
|
1015 |
TUint32 property(0); |
|
1016 |
TInt ret = iUsbMan.GetPersonalityProperty( aPersonalityId, property ); |
|
1017 |
if ( ret == KErrNone ) |
|
1018 |
{ |
|
1019 |
LOG2( "Personality %d property: 0x%x", aPersonalityId, property ); |
|
1020 |
} |
|
1021 |
else |
|
1022 |
{ |
|
1023 |
//Not fatal, treat as non-hidden |
|
1024 |
LOG1( "ERROR: GetPersonalityProperty = %d", ret ); |
|
1025 |
property = 0; |
|
1026 |
} |
|
1027 |
if ( property & KUsbPersonalityPropertyHidden ) //Bitwise AND |
|
1028 |
{ |
|
1029 |
LOG( "Hidden personality not saved to central repository" ); |
|
1030 |
ret = KErrNone; |
|
1031 |
} |
|
1032 |
else |
|
1033 |
{ |
|
1034 |
ret = iPersonalityRepository->Set( KUsbWatcherPersonality, |
|
1035 |
aPersonalityId ); |
|
1036 |
} |
|
1037 |
return ret; |
|
1038 |
} |
|
1039 |
||
1040 |
// End of file |