author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 08:35:29 +0300 | |
changeset 85 | ad9d655827ef |
parent 75 | 809df41c314e |
permissions | -rw-r--r-- |
35 | 1 |
/* |
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* Copyright (c) 2002-2010 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 UsbActivePersonalityHandler class. |
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* |
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*/ |
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// INCLUDE FILES |
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#include <etelmm.h> // for fetching the IMEI code |
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#include <mmtsy_names.h> // for RTelServer names |
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#include <UsbWatcherInternalCRKeys.h> |
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#include <cusbpersonalitynotifier.h> |
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#include <cusbpersonalityplugin.h> |
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#include <tusbpersonalityparams.h> |
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#include <startupdomainpskeys.h> //for global system state |
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#include "cusbactivepersonalityhandler.h" |
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#include "cusbglobalsystemstateobserver.h" |
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#include <usbuinotif.h> |
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// CONSTANTS |
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const TInt KSerialNumberLength = 12; |
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const TUid KUsbmanSvrUid = {0x101fe1db}; |
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// ============================ MEMBER FUNCTIONS ============================== |
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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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CUsbActivePersonalityHandler::CUsbActivePersonalityHandler( |
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RUsb& aUsbMan, CUsbWatcher& aOwner ) |
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: CActive( EPriorityStandard ) |
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, iUsbMan( aUsbMan ) |
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, iOwner( aOwner ) |
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, isFailureCleanup( EFalse ) |
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{ |
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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 CUsbActivePersonalityHandler::ConstructL() |
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{ |
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LOG_FUNC |
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iPersonalityNotifier = CUsbPersonalityNotifier::NewL(); |
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iPersonalityParams = new ( ELeave ) TUsbPersonalityParams( iUsbMan, |
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*iPersonalityNotifier ); |
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ConstructUsbSerialNumberL(); |
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} |
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// ---------------------------------------------------------------------------- |
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// Two-phased constructor. |
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// ---------------------------------------------------------------------------- |
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// |
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CUsbActivePersonalityHandler* CUsbActivePersonalityHandler::NewL( |
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RUsb& aUsbMan, CUsbWatcher& aOwner ) |
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{ |
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LOG_FUNC |
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CUsbActivePersonalityHandler* self = new ( ELeave ) |
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CUsbActivePersonalityHandler( aUsbMan, aOwner ); |
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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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// Destructor |
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CUsbActivePersonalityHandler::~CUsbActivePersonalityHandler() |
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{ |
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LOG_FUNC |
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Cancel(); // cancel any outstanding requests |
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delete iCurrentPersonalityHandler; |
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delete iPersonalityNotifier; |
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delete iPersonalityParams; |
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} |
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// ---------------------------------------------------------------------------- |
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// Construct USB serial number. Some of the personalities may need this. |
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// ---------------------------------------------------------------------------- |
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// |
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void CUsbActivePersonalityHandler::ConstructUsbSerialNumberL() |
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{ |
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LOG_FUNC |
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RTelServer telServer; |
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RMobilePhone phone; |
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LEAVEIFERROR( telServer.Connect() ); |
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CleanupClosePushL( telServer ); |
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LEAVEIFERROR( telServer.LoadPhoneModule( KMmTsyModuleName ) ); |
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LEAVEIFERROR( phone.Open( telServer, KMmTsyPhoneName ) ); |
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CleanupClosePushL( phone ); |
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// to store the serial number to be published as the USB device's serial |
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// number, fetch it from telephony server. |
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TRequestStatus status; |
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phone.GetPhoneId( status, iPhoneInfo ); |
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User::WaitForRequest( status ); |
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// make sure that the serial number fulfills USB requirements and then |
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// convert the serial number so that it can be printed to log |
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TLex lex( iPhoneInfo.iSerialNumber ); |
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TInt length = iPhoneInfo.iSerialNumber.Length(); |
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if( length < KSerialNumberLength ) |
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{ |
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// In GSM, the complete IMEI can be used as USB serial |
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// number. But in CDMA, the ESN is too short for a valid Mass |
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// Storage serial number (Mass-Storage and Bulk Only Transport |
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// specs both require minimum 12 byte number), so it is |
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// extended with trailing zeroes. When doing this, make sure |
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// not to write anything over descriptor's max length |
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if( iPhoneInfo.iSerialNumber.MaxLength() < KSerialNumberLength ) |
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{ |
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iPhoneInfo.iSerialNumber.SetLength( KSerialNumberLength ); |
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} |
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while( length < KSerialNumberLength ) |
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{ |
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iPhoneInfo.iSerialNumber.Append( '0' ); |
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++length; |
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} |
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} |
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CleanupStack::PopAndDestroy( 2, &telServer ); |
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} |
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// ---------------------------------------------------------------------------- |
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// Confirm that personality can be loaded. |
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// ---------------------------------------------------------------------------- |
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// |
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void CUsbActivePersonalityHandler::ConfirmPersonalityUnload( TRequestStatus& |
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aStatus ) |
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{ |
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LOG_FUNC |
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aStatus = KRequestPending; |
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iRequestStatus = &aStatus; |
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if( iState != EUsbPersonalityStarted ) |
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{ |
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TRequestStatus* status = &iStatus; |
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SetActive(); |
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User::RequestComplete( status, KErrGeneral ); |
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return; |
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} |
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// Cancel all notes before confirmation |
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iPersonalityParams->PersonalityNotifier().CancelAll(); |
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if( iCurrentPersonalityHandler ) |
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{ |
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iCurrentPersonalityHandler->ConfirmPersonalityUnload( iStatus ); |
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SetActive(); |
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} |
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else |
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{ |
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TRequestStatus* status = &iStatus; |
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SetActive(); |
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User::RequestComplete( status, KErrNone ); |
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} |
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} |
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// ---------------------------------------------------------------------------- |
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// Start personality. |
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// ---------------------------------------------------------------------------- |
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// |
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void CUsbActivePersonalityHandler::StartPersonality( TInt& aPersonalityId, |
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75
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
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TRequestStatus& aStatus ) |
35 | 190 |
{ |
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LOG_FUNC |
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75
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
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LOG1( "PersonalityId = %d ", aPersonalityId); |
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// Remove all notes. |
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iPersonalityNotifier->CancelAll(); |
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iPersonalityId = &aPersonalityId; |
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aStatus = KRequestPending; |
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iRequestStatus = &aStatus; |
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// prepare current personality for start and return |
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if( iCurrentPersonalityHandler ) |
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{ |
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LOG( "Previous PersonalityHandler not deleted" ); |
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User::RequestComplete( iRequestStatus, KErrGeneral ); |
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return; |
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} |
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TRAPD( ret, ( iCurrentPersonalityHandler = NewPersonalityHandlerL( |
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*iPersonalityId ) ) ); |
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if( ( ret == KErrNone) && iCurrentPersonalityHandler ) |
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{ |
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LOG( "PersonalityHandler created" ); |
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iCurrentPersonalityHandler->PreparePersonalityStart( iStatus ); |
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iState = EUsbPersonalityPrepareStart; |
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isFailureCleanup = EFalse; |
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SetActive(); |
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} |
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else |
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{ |
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LOG( "Error: PersonalityHandler create failed" ); |
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User::RequestComplete( iRequestStatus, KErrGeneral ); |
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} |
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} |
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// ---------------------------------------------------------------------------- |
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// Stop current personality. |
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// ---------------------------------------------------------------------------- |
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// |
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void CUsbActivePersonalityHandler::StopPersonality( TRequestStatus& aStatus ) |
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{ |
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LOG_FUNC |
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aStatus = KRequestPending; |
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iRequestStatus = &aStatus; |
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iState = EUsbPersonalityPrepareStop; |
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isFailureCleanup = EFalse; |
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// prepare current personality for stop and return |
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if( iCurrentPersonalityHandler ) |
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{ |
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LOG( "Call PersonalityPlugin to prepare stop" ); |
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iCurrentPersonalityHandler->PreparePersonalityStop( iStatus ); |
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SetActive(); |
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} |
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else |
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{ |
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LOG( "No current PersonalityPlugin, return immediately" ); |
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TRequestStatus* status = &iStatus; |
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SetActive(); |
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User::RequestComplete( status, KErrNone ); |
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} |
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} |
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// ---------------------------------------------------------------------------- |
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// Indicates USB device state change to personality when USB is started. |
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// ---------------------------------------------------------------------------- |
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// |
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void CUsbActivePersonalityHandler::StateChangeNotify( |
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TUsbDeviceState aStateOld, TUsbDeviceState aStateNew ) |
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{ |
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LOG_FUNC |
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iDeviceState = aStateNew; |
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switch ( aStateNew ) |
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{ |
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218231f2b3b3
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
35
diff
changeset
|
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case EUsbDeviceStateConfigured: |
35 | 272 |
{ |
75
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
273 |
if ((aStateOld != EUsbDeviceStateSuspended) && (ESwStateCharging |
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
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!= CUsbGlobalSystemStateObserver::GlobalSystemState())) |
35 | 275 |
{ |
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iPersonalityParams->PersonalityNotifier().ShowQuery( |
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KCableConnectedNotifierUid, iDummy, |
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iPersonalityPckgBuf); |
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} |
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break; |
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} |
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case EUsbDeviceStateUndefined: |
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{ |
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iPersonalityNotifier->CancelQuery(KQueriesNotifier); |
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break; |
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} |
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default: |
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// We do not handle other state here |
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LOG( "DeviceStatechange ignored by ActivePersonalityhandler or EUsbDeviceStateConfigured" ); |
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break; |
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} |
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if( iCurrentPersonalityHandler ) |
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{ |
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LOG( "Notifying PersonalityPlugin of the new state" ); |
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iCurrentPersonalityHandler->StateChangeNotify( aStateNew ); |
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} |
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} |
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// ---------------------------------------------------------------------------- |
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// Standard active object error function. Handle error and complete |
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// outstanding request. We must not come here. |
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// ---------------------------------------------------------------------------- |
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// |
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TInt CUsbActivePersonalityHandler::RunError( TInt aError ) |
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{ |
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LOG_FUNC |
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LOG2("Returned error: %d, iState: %d", aError, iState); |
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switch ( aError ) |
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{ |
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case KErrNoMemory: |
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iQueryParams().iQuery = EUSBNotEnoughRam; |
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iPersonalityParams->PersonalityNotifier().ShowQuery(KQueriesNotifier, |
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iQueryParams, iDummyBuf); |
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break; |
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case KErrDiskFull: |
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75
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
319 |
if (ESwStateCharging |
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
320 |
!= CUsbGlobalSystemStateObserver::GlobalSystemState()) |
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
321 |
{ |
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
322 |
iQueryParams().iQuery = EUSBDiskFull; |
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
323 |
iPersonalityParams->PersonalityNotifier().ShowQuery( |
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
324 |
KQueriesNotifier, iQueryParams, iDummyBuf); |
809df41c314e
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
38
diff
changeset
|
325 |
} |
35 | 326 |
break; |
327 |
default: |
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LOG( "Ignored" ); |
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} |
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//only handle error when TryStart fails now |
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//clean up work to be done in the personality |
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if (iState == EUsbPersonalityStartUsb) |
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{ |
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iState = EUsbPersonalityPrepareStop; |
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isFailureCleanup = ETrue; |
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// prepare current personality for stop and return |
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if( iCurrentPersonalityHandler ) |
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{ |
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LOG( "Call PersonalityPlugin to prepare stop" ); |
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iCurrentPersonalityHandler->PreparePersonalityStop( iStatus ); |
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SetActive(); |
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} |
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else |
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{ |
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LOG( "No current PersonalityPlugin" ); |
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} |
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//complete StartPersonality with aError |
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User::RequestComplete( iRequestStatus, aError ); |
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} |
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else |
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{ |
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LOG( "Ignore error in other states" ); |
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} |
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357 |
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return KErrNone; |
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} |
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360 |
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// ---------------------------------------------------------------------------- |
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// Executed when iStatus is completed. |
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// ---------------------------------------------------------------------------- |
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// |
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void CUsbActivePersonalityHandler::RunL() |
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{ |
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LOG_FUNC |
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368 |
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TInt ret = iStatus.Int(); |
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LOG2( "CUsbActivePersonalityHandler::RunL iStatus = %d, iState = %d", ret, iState ); |
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372 |
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switch( iState ) |
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{ |
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case EUsbPersonalityIdle: |
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break; |
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377 |
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case EUsbPersonalityPrepareStart: |
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{ |
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LOG( "EUsbPersonalityPrepareStart" ); |
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// then write the serial number to P&S for USB Manager |
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PublishSerialNumber(); |
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iUsbMan.TryStart( *iPersonalityId, iStatus ); |
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iState = EUsbPersonalityStartUsb; |
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SetActive(); |
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} |
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387 |
break; |
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388 |
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389 |
case EUsbPersonalityStartUsb: |
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LEAVEIFERROR( ret ); |
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391 |
LOG( "EUsbPersonalityStartUsb" ); |
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392 |
iState = EUsbPersonalityFinishStart; |
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if( iCurrentPersonalityHandler ) |
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{ |
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395 |
iCurrentPersonalityHandler->FinishPersonalityStart( iStatus ); |
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SetActive(); |
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397 |
} |
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398 |
else |
|
399 |
{ |
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400 |
TRequestStatus* status = &iStatus; |
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401 |
SetActive(); |
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402 |
User::RequestComplete( status, KErrNone ); |
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403 |
} |
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404 |
break; |
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405 |
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406 |
case EUsbPersonalityFinishStart: |
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407 |
LOG( "EUsbPersonalityFinishStart" ); |
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408 |
User::RequestComplete( iRequestStatus, ret ); |
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409 |
iState = EUsbPersonalityStarted; |
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410 |
break; |
|
411 |
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412 |
case EUsbPersonalityPrepareStop: |
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413 |
LOG( "EUsbPersonalityPrepareStop" ); |
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414 |
iUsbMan.TryStop( iStatus ); |
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415 |
iState = EUsbPersonalityStopUsb; |
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SetActive(); |
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417 |
break; |
|
418 |
||
419 |
case EUsbPersonalityStopUsb: |
|
420 |
LOG( "EUsbPersonalityStopUsb" ); |
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421 |
iState = EUsbPersonalityFinishStop; |
|
422 |
if( iCurrentPersonalityHandler ) |
|
423 |
{ |
|
424 |
iCurrentPersonalityHandler->FinishPersonalityStop( iStatus ); |
|
425 |
SetActive(); |
|
426 |
} |
|
427 |
else |
|
428 |
{ |
|
429 |
TRequestStatus* status = &iStatus; |
|
430 |
SetActive(); |
|
431 |
User::RequestComplete( status, KErrNone ); |
|
432 |
} |
|
433 |
break; |
|
434 |
||
435 |
case EUsbPersonalityFinishStop: |
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436 |
LOG( "EUsbPersonalityFinishStop" ); |
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437 |
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438 |
delete iCurrentPersonalityHandler; |
|
439 |
iCurrentPersonalityHandler = NULL; |
|
440 |
||
441 |
if ( iDeviceState == EUsbDeviceStateUndefined ) |
|
442 |
{ |
|
443 |
iPersonalityParams->PersonalityNotifier().CancelQuery( |
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444 |
KCableConnectedNotifierUid ); |
|
445 |
} |
|
446 |
//the request should be completed with error code in RunError if failed |
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447 |
if ( !isFailureCleanup ) |
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448 |
{ |
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449 |
User::RequestComplete( iRequestStatus, ret ); |
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450 |
} |
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451 |
||
452 |
iState = EUsbPersonalityIdle; |
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453 |
break; |
|
454 |
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455 |
case EUsbPersonalityStarted: |
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456 |
// This must unload event. Let's complete. |
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457 |
User::RequestComplete( iRequestStatus, ret ); |
|
458 |
break; |
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459 |
||
460 |
default: |
|
461 |
LOG( "ERROR: unexpected state" ); |
|
462 |
PANIC( KErrGeneral ); |
|
463 |
break; |
|
464 |
} |
|
465 |
} |
|
466 |
||
467 |
// ---------------------------------------------------------------------------- |
|
468 |
// Standard active object cancellation function. |
|
469 |
// ---------------------------------------------------------------------------- |
|
470 |
// |
|
471 |
void CUsbActivePersonalityHandler::DoCancel() |
|
472 |
{ |
|
473 |
LOG_FUNC |
|
474 |
||
475 |
LOG1( "CUsbActivePersonalityHandler::iState = %d", iState ); |
|
476 |
switch( iState ) |
|
477 |
{ |
|
478 |
case EUsbPersonalityFinishStart: |
|
479 |
{ |
|
480 |
TRequestStatus status; |
|
481 |
||
482 |
iUsbMan.TryStop( status ); |
|
483 |
SetActive(); |
|
484 |
User::WaitForRequest( status ); |
|
485 |
} |
|
486 |
// Don't break. We need to cancel outstanding request. |
|
487 |
||
488 |
case EUsbPersonalityStarted: |
|
489 |
case EUsbPersonalityPrepareStop: |
|
490 |
case EUsbPersonalityFinishStop: |
|
491 |
if( iCurrentPersonalityHandler ) |
|
492 |
{ |
|
493 |
iCurrentPersonalityHandler->Cancel(); |
|
494 |
} |
|
495 |
break; |
|
496 |
||
497 |
case EUsbPersonalityStopUsb: |
|
498 |
iUsbMan.CancelInterest( RUsb::ETryStop ); |
|
499 |
break; |
|
500 |
||
501 |
case EUsbPersonalityStartUsb: |
|
502 |
iUsbMan.StartCancel(); |
|
503 |
break; |
|
504 |
||
505 |
default: |
|
506 |
break; |
|
507 |
} |
|
508 |
||
509 |
if( iCurrentPersonalityHandler && ( iState != EUsbPersonalityStarted ) ) |
|
510 |
{ |
|
511 |
delete iCurrentPersonalityHandler; |
|
512 |
iCurrentPersonalityHandler = NULL; |
|
513 |
} |
|
514 |
||
515 |
// if started then this must unload confirmation |
|
516 |
if( iState != EUsbPersonalityStarted ) |
|
517 |
{ |
|
518 |
iState = EUsbPersonalityIdle; |
|
519 |
} |
|
520 |
||
521 |
// When cancel happens it means that we can cancel all queries & notes |
|
522 |
iPersonalityParams->PersonalityNotifier().CancelAll(); |
|
523 |
||
524 |
User::RequestComplete( iRequestStatus, KErrCancel ); |
|
525 |
} |
|
526 |
||
527 |
// ---------------------------------------------------------------------------- |
|
528 |
// Creates and returns a class handler object for the given personality. |
|
529 |
// ---------------------------------------------------------------------------- |
|
530 |
// |
|
531 |
CUsbPersonality* CUsbActivePersonalityHandler::NewPersonalityHandlerL( |
|
532 |
TInt aPersonality ) |
|
533 |
{ |
|
534 |
LOG_FUNC |
|
535 |
||
536 |
TInt personalityCount = iOwner.Personalities().Count(); |
|
537 |
||
538 |
for (TInt i = 0; i < personalityCount; i++) |
|
539 |
{ |
|
540 |
const TUsbSupportedPersonalityInf& pinf = iOwner.Personalities()[i]; |
|
541 |
if( pinf.iPersonalityId == aPersonality ) |
|
542 |
{ |
|
543 |
iPersonalityParams->SetPersonalityId( aPersonality ); |
|
544 |
CUsbPersonalityPlugin* plugin = CUsbPersonalityPlugin::NewL( |
|
545 |
*iPersonalityParams, pinf.iPersonalityUid ); |
|
546 |
iUseSerialNumber = pinf.iUseSerialNumber; |
|
547 |
return plugin; |
|
548 |
} |
|
549 |
} |
|
550 |
||
551 |
return NULL; |
|
552 |
} |
|
553 |
||
554 |
// ---------------------------------------------------------------------------- |
|
555 |
// Publish serial number for USB Manager, if needed. |
|
556 |
// ---------------------------------------------------------------------------- |
|
557 |
// |
|
558 |
TInt CUsbActivePersonalityHandler::PublishSerialNumber() |
|
559 |
{ |
|
560 |
LOG_FUNC |
|
561 |
||
562 |
TInt err = KErrNone; |
|
563 |
||
564 |
if( !iUseSerialNumber && iSerialNumberWritten ) |
|
565 |
{ |
|
566 |
// We are either in test mode or going to start up PC Suite |
|
567 |
// personality -> delete USB Manager's serial number P&S key |
|
568 |
// (if necessary) |
|
569 |
LOG( "Deleting published USB serial number" ); |
|
570 |
err = RProperty::Delete( KUidSystemCategory, KUsbmanSvrUid.iUid ); |
|
571 |
iSerialNumberWritten = EFalse; |
|
572 |
} |
|
573 |
else if( iUseSerialNumber && !iSerialNumberWritten ) |
|
574 |
{ |
|
575 |
// to finish, define and write the serial number P&S so that USB |
|
576 |
// Manager can fetch it |
|
577 |
_LIT_SECURITY_POLICY_PASS( KAPReadPolicy ); |
|
578 |
_LIT_SECURITY_POLICY_PASS( KAPWritePolicy ); |
|
579 |
||
580 |
err = RProperty::Define( KUidSystemCategory, KUsbmanSvrUid.iUid, |
|
581 |
RProperty::EText, KAPReadPolicy, KAPWritePolicy, |
|
582 |
KUsbStringDescStringMaxSize ); |
|
583 |
||
584 |
if( !err ) |
|
585 |
{ |
|
586 |
err = RProperty::Set( KUidSystemCategory, KUsbmanSvrUid.iUid, |
|
587 |
iPhoneInfo.iSerialNumber ); |
|
588 |
iSerialNumberWritten = ( err == KErrNone ); |
|
589 |
} |
|
590 |
} |
|
591 |
||
592 |
LOG1(" ret = %d", err ); |
|
593 |
||
594 |
return err; |
|
595 |
} |
|
596 |
||
597 |
// ---------------------------------------------------------------------------- |
|
598 |
// Cancel cable connected notifier |
|
599 |
// ---------------------------------------------------------------------------- |
|
600 |
// |
|
601 |
void CUsbActivePersonalityHandler::CancelCableConnectedNotifier() |
|
602 |
{ |
|
603 |
LOG_FUNC |
|
604 |
||
605 |
iPersonalityParams->PersonalityNotifier().CancelQuery( |
|
606 |
KCableConnectedNotifierUid ); |
|
607 |
} |
|
608 |
||
609 |
// End of file |