--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/contentstorage/srvsrc/casrvmmchistory.cpp Tue Mar 23 23:17:02 2010 +0200
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2008 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: ?Description
+ *
+ */
+
+// INCLUDE FILES
+#include <f32file.h>
+#include <s32file.h>
+#include <sysutil.h>
+#include "casrvmmchistory.h"
+// CONSTANTS
+LOCAL_D const TInt KCaMmcHistoryLength = 2;
+
+// ==================== MEMBER FUNCTIONS ====================
+
+// ---------------------------------------------------------
+// CMenuSrvMmcHistory::LoadL
+// ---------------------------------------------------------
+//
+EXPORT_C void CCaSrvMmcHistory::LoadL( RFs& aFs, const TDesC& aFname )
+ {
+ iMmcList.Reset();
+ TUint att;
+ if( KErrNotFound != aFs.Att( aFname, att ) )
+ {
+ RFileReadStream stream;
+ CleanupClosePushL( stream );
+ User::LeaveIfError( stream.Open( aFs, aFname, EFileStream
+ | EFileShareReadersOnly ) );
+ TInt len = Min( KCaMmcHistoryLength, stream.ReadInt32L() );
+ while( len-- )
+ {
+ iMmcList.AppendL( stream.ReadUint32L() );
+ }
+ CleanupStack::PopAndDestroy( &stream );
+ }
+ }
+
+// ---------------------------------------------------------
+// CMenuSrvMmcHistory::SaveL
+// Method do not work if there is no free space on C drive.
+// ---------------------------------------------------------
+//
+EXPORT_C void CCaSrvMmcHistory::SaveL( RFs& aFs, const TDesC& aFname )
+ {
+ if( SysUtil::DiskSpaceBelowCriticalLevelL( &aFs, 0, EDriveC ) )
+ {
+ return;
+ }
+
+ RFileWriteStream stream;
+ CleanupClosePushL( stream );
+ User::LeaveIfError( stream.Replace( aFs, aFname, EFileStream
+ | EFileShareExclusive ) );
+ stream.WriteInt32L( iMmcList.Count() );
+ for( TInt i = 0; i < iMmcList.Count(); i++ )
+ {
+ stream.WriteUint32L( iMmcList[i] );
+ }
+ CleanupStack::PopAndDestroy( &stream );
+ }
+
+// ---------------------------------------------------------
+// CMenuSrvMmcHistory::InsertL
+// ---------------------------------------------------------
+//
+EXPORT_C void CCaSrvMmcHistory::InsertL( TUint aMmc )
+ {
+ TInt i = iMmcList.Find( aMmc );
+ switch( i )
+ {
+ case 0:
+ {
+ // aMmc is already first, do nothing.
+ break;
+ }
+
+ case KErrNotFound:
+ {
+ // aMmc is not in the list. Insert as first.
+ if( iMmcList.Count() == KCaMmcHistoryLength )
+ {
+ // List already full - remove last item to make space.
+ iMmcList.Remove( KCaMmcHistoryLength - 1 );
+ }
+ iMmcList.InsertL( aMmc, 0 );
+ break;
+ }
+
+ default:
+ {
+ // aMmc is in the list, but not first. Move to first place.
+ iMmcList.Remove( i );
+ iMmcList.InsertL( aMmc, 0 );
+ break;
+ }
+ }
+ }
+
+// ---------------------------------------------------------
+// CMenuSrvMmcHistory::Find
+// ---------------------------------------------------------
+//
+EXPORT_C TInt CCaSrvMmcHistory::Find( TUint aMmc )
+ {
+ return iMmcList.Find( aMmc );
+ }
+
+// End of File