--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/common/src/harvestermediaidutil.cpp Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,144 @@
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Utility class to keep a list of mediaid's
+*/
+
+#include "harvestermediaidutil.h"
+#include "mdsutils.h"
+
+
+CHarvesterMediaIdUtil* CHarvesterMediaIdUtil::NewL()
+ {
+ CHarvesterMediaIdUtil* self = new (ELeave) CHarvesterMediaIdUtil;
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+
+CHarvesterMediaIdUtil::CHarvesterMediaIdUtil()
+ {
+ // no implementation needed
+ }
+
+CHarvesterMediaIdUtil::~CHarvesterMediaIdUtil()
+ {
+ iFs.Close();
+ }
+
+void CHarvesterMediaIdUtil::ConstructL()
+ {
+ for ( TInt i = 0; i < KMaxDrives; i++ )
+ {
+ iMediaId[i] = 0;
+ }
+ User::LeaveIfError( iFs.Connect() );
+ }
+
+EXPORT_C TInt CHarvesterMediaIdUtil::GetMediaId( const TDesC& aUri, TUint32& aMediaId )
+ {
+ TChar ch = aUri[0];
+ TInt drive( 0 );
+ TInt err = RFs::CharToDrive( ch, drive );
+ if ( err == KErrNone )
+ {
+ // return mediaid if already in array
+ if( iMediaId[drive] > 0 )
+ {
+ aMediaId = iMediaId[drive];
+ return KErrNone;
+ }
+
+ // resolve mediaid and save into array
+ err = MdsUtils::GetVolumeInfo( iFs, aUri, iVolumeInfo );
+ if ( err == KErrNone )
+ {
+ iMediaId[drive] = iVolumeInfo.iUniqueID;
+ aMediaId = iVolumeInfo.iUniqueID;
+ return KErrNone;
+ }
+ }
+ return err;
+ }
+
+EXPORT_C TInt CHarvesterMediaIdUtil::GetDriveLetter( TUint32 aMediaId, TChar& aChar )
+ {
+ for ( TInt i = 0; i < KMaxDrives; i++ )
+ {
+ if ( iMediaId[i] == aMediaId )
+ {
+ TInt err = RFs::DriveToChar( i, aChar );
+ return err;
+ }
+ }
+ return KErrNotFound;
+ }
+
+EXPORT_C void CHarvesterMediaIdUtil::RemoveMediaId( TUint32 aMediaId )
+ {
+ for ( TInt i = 0; i < KMaxDrives; i++ )
+ {
+ if ( iMediaId[i] == aMediaId )
+ {
+ iMediaId[i] = 0;
+ break;
+ }
+ }
+ }
+
+EXPORT_C CHarvesterMediaIdUtil& RMediaIdUtil::GetInstanceL()
+ {
+ TMediaIdUtilInfo* data =
+ static_cast<TMediaIdUtilInfo*>(
+ UserSvr::DllTls( KHarvesterMediaIdTLSKey ) );
+
+ CHarvesterMediaIdUtil* instance = NULL;
+
+ if ( data )
+ {
+ instance = data->iMediaIdUtil;
+ data->iRefCount++;
+ }
+ else
+ {
+ instance = CHarvesterMediaIdUtil::NewL();
+ CleanupStack::PushL(instance);
+ TMediaIdUtilInfo* tmp = new (ELeave) TMediaIdUtilInfo;
+ tmp->iMediaIdUtil = instance;
+ tmp->iRefCount = 1;
+ UserSvr::DllSetTls( KHarvesterMediaIdTLSKey, tmp );
+
+ CleanupStack::Pop(instance);
+ }
+
+ return *instance;
+ }
+
+EXPORT_C void RMediaIdUtil::ReleaseInstance()
+ {
+ TMediaIdUtilInfo* data = static_cast<TMediaIdUtilInfo*> (UserSvr::DllTls(
+ KHarvesterMediaIdTLSKey));
+ if (data)
+ {
+ data->iRefCount--;
+ if (data->iRefCount <= 0)
+ {
+ delete data->iMediaIdUtil;
+
+ delete data;
+ UserSvr::DllFreeTls(KHarvesterMediaIdTLSKey);
+ }
+ }
+ }