plugins/contacts/symbian/contactsmodel/cntsrv/src/cntcurrentitemmap.cpp
changeset 0 876b1a06bc25
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/contacts/symbian/contactsmodel/cntsrv/src/cntcurrentitemmap.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,153 @@
+/*
+* Copyright (c) 1997-2009 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: 
+*
+*/
+
+
+#include "cntcurrentitemmap.h"
+#include <s32stor.h>
+#include <s32file.h>
+
+const TInt KCntCurrentItemMapGranularity = 3;
+
+
+CCntServerCurrentItemMap::CCntServerCurrentItemMap() : iCurrentItemMap(KCntCurrentItemMapGranularity)
+	{
+	}
+
+CCntServerCurrentItemMap::~CCntServerCurrentItemMap()
+	{
+	iCurrentItemMap.ResetAndDestroy();
+	iCurrentItemMap.Close();
+	}
+
+TContactItemId CCntServerCurrentItemMap::CurrentItem(const TDesC& aDatabaseFile) const
+	{
+	TInt index = KErrNotFound;
+	if	(EntryAvailable(aDatabaseFile, index))
+		return iCurrentItemMap[index]->ContactId();
+	return KNullContactId;
+	}
+
+TBool CCntServerCurrentItemMap::EntryAvailable(const TDesC& aDatabaseFile, TInt& aIndex) const
+	{
+	const TInt count = iCurrentItemMap.Count();
+	for(aIndex = 0; aIndex < count; aIndex++)
+		{
+		if (FileNamesIdentical(iCurrentItemMap[aIndex]->DatabaseFile(),aDatabaseFile))
+			return ETrue;
+		}
+	aIndex = KErrNotFound;
+	return EFalse;
+	}
+
+
+void CCntServerCurrentItemMap::UpdateEntryL(TInt aIndex, TContactItemId aId)
+	{
+	__ASSERT_ALWAYS(aIndex >= 0 && aIndex < iCurrentItemMap.Count(), User::Leave(KErrOverflow));
+	iCurrentItemMap[aIndex]->SetContactId(aId);
+	}
+
+	
+void CCntServerCurrentItemMap::AddEntryL(const TDesC& aDatabaseFile, TContactItemId aId)
+	{
+	CCntCurrentItemMapEntry* entry = new(ELeave) CCntCurrentItemMapEntry();
+	CleanupStack::PushL(entry);
+	entry->ConstructL(aDatabaseFile, aId);
+	User::LeaveIfError(iCurrentItemMap.Append(entry));
+	CleanupStack::Pop(); // entry
+	}
+
+
+
+void CCntServerCurrentItemMap::StoreL(CDictionaryFileStore& aStore) const
+	{
+	RDictionaryWriteStream stream;
+	stream.AssignLC(aStore, KUidCntCurrentItemStream);
+
+	const TInt count = iCurrentItemMap.Count();
+	stream.WriteInt32L(count);
+	for(TInt i=0; i<count; i++)
+		{
+		const CCntCurrentItemMapEntry* entry = iCurrentItemMap[i];
+		stream << *entry;
+		}
+
+	stream.CommitL();
+	CleanupStack::PopAndDestroy(); // stream
+	}
+
+
+void CCntServerCurrentItemMap::RestoreL(CDictionaryFileStore& aStore)
+	{
+	if	(aStore.IsPresentL(KUidCntCurrentItemStream))
+		{
+		RDictionaryReadStream stream;
+		stream.OpenLC(aStore, KUidCntCurrentItemStream);
+
+		const TInt count = stream.ReadInt32L();
+		for(TInt i=0; i<count; i++)
+			{
+			CCntCurrentItemMapEntry* entry = new(ELeave) CCntCurrentItemMapEntry();
+			CleanupStack::PushL(entry);
+			stream >> *entry;
+			User::LeaveIfError(iCurrentItemMap.Append(entry));
+			CleanupStack::Pop(); // entry
+			}
+
+		CleanupStack::PopAndDestroy(); // stream
+		}
+	}
+
+
+
+
+
+
+
+CCntServerCurrentItemMap::CCntCurrentItemMapEntry::CCntCurrentItemMapEntry()
+	{
+	}
+
+
+CCntServerCurrentItemMap::CCntCurrentItemMapEntry::~CCntCurrentItemMapEntry()
+	{
+	delete iDatabaseFile;
+	}
+
+
+void CCntServerCurrentItemMap::CCntCurrentItemMapEntry::ConstructL(const TDesC& aFileName, TContactItemId aContactId)
+	{
+	iDatabaseFile = aFileName.AllocL();
+	iContactId = aContactId;
+	}
+
+
+void CCntServerCurrentItemMap::CCntCurrentItemMapEntry::InternalizeL(RReadStream& aStream)
+	{
+	iDatabaseFile = HBufC::NewL(aStream, KMaxTInt);
+	iContactId = aStream.ReadInt32L();
+	}
+
+
+void CCntServerCurrentItemMap::CCntCurrentItemMapEntry::ExternalizeL(RWriteStream& aStream) const
+	{
+	aStream << *iDatabaseFile;
+	aStream.WriteInt32L(iContactId);
+	}
+
+
+
+