sysstatemgmt/sysuiprovider/src/ssmuispecific.cpp
branchRCL_3
changeset 7 1fc153c72b60
parent 0 4e1aa6a622a0
equal deleted inserted replaced
6:6bb05bdcbe09 7:1fc153c72b60
     1 /*
     1 /*
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
     2 * Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
     3 * All rights reserved.
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
    34 /** Channel used to communicate with Security Notifier. */
    34 /** Channel used to communicate with Security Notifier. */
    35 static const TUid KSecurityNotifierChannel = { 0x1000598F };
    35 static const TUid KSecurityNotifierChannel = { 0x1000598F };
    36 
    36 
    37 // Type definitions for a buffer containing a drive id (drive letter + :).
    37 // Type definitions for a buffer containing a drive id (drive letter + :).
    38 const TInt KDriveIdLength = 2;
    38 const TInt KDriveIdLength = 2;
       
    39 //Number of clusterSize to be reserve for phone memory space 
       
    40 const TInt KNumberOfCluster = 2;
    39 typedef TBuf<KDriveIdLength> TDriveId;
    41 typedef TBuf<KDriveIdLength> TDriveId;
    40 
    42 
    41 // ======== MEMBER FUNCTIONS ========
    43 // ======== MEMBER FUNCTIONS ========
    42 
    44 
    43 // ---------------------------------------------------------------------------
    45 // ---------------------------------------------------------------------------
    45 // ---------------------------------------------------------------------------
    47 // ---------------------------------------------------------------------------
    46 //
    48 //
    47 EXPORT_C CSsmUiSpecific::~CSsmUiSpecific()
    49 EXPORT_C CSsmUiSpecific::~CSsmUiSpecific()
    48 	{
    50 	{
    49     FUNC_LOG;
    51     FUNC_LOG;
       
    52     iReservedPhoneMemoryFs.Close();
    50 	}
    53 	}
    51 
    54 
    52 
    55 
    53 // ---------------------------------------------------------------------------
    56 // ---------------------------------------------------------------------------
    54 // CSsmUiSpecific::InstanceL
    57 // CSsmUiSpecific::InstanceL
    66 		}
    69 		}
    67 	else
    70 	else
    68 		{
    71 		{
    69 		self = new ( ELeave ) CSsmUiSpecific;
    72 		self = new ( ELeave ) CSsmUiSpecific;
    70 		CleanupStack::PushL( self );
    73 		CleanupStack::PushL( self );
       
    74 		self->ConstructL();
    71 		User::LeaveIfError( Dll::SetTls( self ) );
    75 		User::LeaveIfError( Dll::SetTls( self ) );
    72 		CleanupStack::Pop( self );
    76 		CleanupStack::Pop( self );
    73 		}
    77 		}
    74 
    78 
    75 	return self;
    79 	return self;
   429 
   433 
   430 // ---------------------------------------------------------------------------
   434 // ---------------------------------------------------------------------------
   431 // CSsmUiSpecific::CSsmUiSpecific
   435 // CSsmUiSpecific::CSsmUiSpecific
   432 // ---------------------------------------------------------------------------
   436 // ---------------------------------------------------------------------------
   433 //
   437 //
   434 CSsmUiSpecific::CSsmUiSpecific() : iReferenceCount( 1 )
   438 CSsmUiSpecific::CSsmUiSpecific() : iReferenceCount(1), iReservedPhoneMemory(0)
   435 	{
   439 	{
   436     FUNC_LOG;
   440     FUNC_LOG;
   437 	}
   441     }
       
   442 /**
       
   443 Leaving construction inside ConstructL
       
   444 */
       
   445 void CSsmUiSpecific::ConstructL()
       
   446 	{
       
   447 	FUNC_LOG;
       
   448 	
       
   449 	User::LeaveIfError( iReservedPhoneMemoryFs.Connect() );
       
   450 	}
       
   451 
       
   452 /**
       
   453 ReservePhoneMemorySpace
       
   454 */
       
   455 EXPORT_C TInt CSsmUiSpecific::ReservePhoneMemorySpace()
       
   456     {
       
   457 	FUNC_LOG;
       
   458 	TVolumeIOParamInfo volumeParamInfo; 
       
   459 	const TInt phoneMemoryDriveID = PhoneMemoryRootDriveId();
       
   460 	TInt errorCode = iReservedPhoneMemoryFs.VolumeIOParam(phoneMemoryDriveID, volumeParamInfo); 
       
   461 	if( KErrNone == errorCode )
       
   462 		{
       
   463 #ifdef __WINS__
       
   464 		//512 bytes for __WINS__
       
   465 		const TInt reservedMemory = 512;
       
   466 #else
       
   467 		//Reserving two clusterSize Phone memory 
       
   468 		const TInt reservedMemory = KNumberOfCluster * (volumeParamInfo.iClusterSize);
       
   469 #endif //__WINS__
       
   470 		errorCode = iReservedPhoneMemoryFs.ReserveDriveSpace(phoneMemoryDriveID, reservedMemory);
       
   471 
       
   472 		if ( KErrNone == errorCode )
       
   473 			{
       
   474 			iReservedPhoneMemory = reservedMemory;
       
   475 			}
       
   476 		}
       
   477     return errorCode;
       
   478     }
       
   479 
       
   480 /**
       
   481 FreeReservedPhoneMemorySpace
       
   482 */
       
   483 EXPORT_C TInt CSsmUiSpecific::FreeReservedPhoneMemorySpace(const TInt aSpaceToFree)
       
   484     {
       
   485 	FUNC_LOG;
       
   486     TInt errorCode(KErrGeneral);
       
   487 	INFO_2("Reserved memory is = %d bytes, Request to free memory is = %d bytes", iReservedPhoneMemory, aSpaceToFree);
       
   488     if(0 < iReservedPhoneMemory)
       
   489         {
       
   490 		if(0 == aSpaceToFree)
       
   491 		    {
       
   492 		   	//Free complete reserved phone memory
       
   493 			errorCode = iReservedPhoneMemoryFs.ReserveDriveSpace( PhoneMemoryRootDriveId(), 0 );
       
   494 			INFO_1("Freeing memory completed with = %d", errorCode);
       
   495 			iReservedPhoneMemory = 0; 
       
   496 		    }
       
   497 		else
       
   498 		    {
       
   499 		    TInt newReserveSize = iReservedPhoneMemory - aSpaceToFree;
       
   500 		    newReserveSize = newReserveSize >= 0 ? newReserveSize : 0;
       
   501 		    errorCode = iReservedPhoneMemoryFs.ReserveDriveSpace( PhoneMemoryRootDriveId(), newReserveSize );
       
   502 			INFO_1("Freeing partial phone memory completed with = %d", errorCode);
       
   503 		    if(KErrNone == errorCode)
       
   504 			    {
       
   505 			    iReservedPhoneMemory = newReserveSize;
       
   506 			    }
       
   507 		    }
       
   508 		}
       
   509     return errorCode;
       
   510     }