--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omads/omadsextensions/adapters/contactsgroup/inc/contactsgrpdatastore.h	Tue Aug 31 15:05:37 2010 +0300
@@ -0,0 +1,180 @@
+/*
+* Copyright (c) 2009-2010 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:  Part of ContactGroup DS adapter
+*
+*/
+
+
+#ifndef __CONTACTSGRPDATASTORE_H__
+#define __CONTACTSGRPDATASTORE_H__
+
+#include <SmlDataProvider.h>
+#include <f32file.h>
+#include <cntdef.h>
+
+class CNSmlDataItemUidSet;
+class CContactsGrpConverter;
+class CChangeFinder;
+class TSnapshotItem;
+class CContactDatabase;
+
+class CContactsGrpDataStore : public CSmlDataStore
+	{
+private:
+
+	CContactsGrpDataStore();
+	~CContactsGrpDataStore();	
+	
+public:
+
+	static CContactsGrpDataStore* NewL();
+	static CContactsGrpDataStore* NewLC();
+	void ConstructL();	
+	
+	// Transactions (optional)
+	void DoBeginTransactionL();
+	void DoCommitTransactionL(TRequestStatus& aStatus);
+	void DoRevertTransaction(TRequestStatus& aStatus);
+
+	// Batching (optional)
+	void DoBeginBatchL();
+	void DoCommitBatchL(RArray<TInt>& aResultArray, TRequestStatus& aStatus);
+	void DoCancelBatch();
+
+	// Opens data store asynchronously	
+	void DoOpenL(const TDesC& aStoreName, MSmlSyncRelationship& aContext, TRequestStatus& aStatus);
+	// Cancels current asynchronous request
+	void DoCancelRequest();
+	// Returns the name of open database, empty if OpenL hasn't been called
+	const TDesC& DoStoreName() const;
+	// Sets remote server data format
+	void DoSetRemoteStoreFormatL(const CSmlDataStoreFormat& aServerDataStoreFormat);
+	// Sets the remote server maximum object size
+	void DoSetRemoteMaxObjectSize(TInt aServerMaxObjectSize);
+	// Returns maximum object size, reported by remote server
+	TInt DoMaxObjectSize() const;
+
+	// Opens item for reading
+	void DoOpenItemL(TSmlDbItemUid aUid, TBool& aFieldChange, TInt& aSize,
+	    TSmlDbItemUid& aParent, TDes8& aMimeType, TDes8& aMimeVer, TRequestStatus& aStatus);
+	// Initializes new item to data store
+	void DoCreateItemL(TSmlDbItemUid& aUid, TInt aSize, TSmlDbItemUid aParent,
+	    const TDesC8& aMimeType, const TDesC8& aMimeVer, TRequestStatus& aStatus);
+	// Initializes replace of item in data store
+	void DoReplaceItemL(TSmlDbItemUid aUid, TInt aSize, TSmlDbItemUid aParent,
+	    TBool aFieldChange, TRequestStatus& aStatus);
+	// Reads data from opened item
+	void DoReadItemL(TDes8& aBuffer);
+	// Writes data to created or replaced item
+	void DoWriteItemL(const TDesC8& aData);
+	// Commits the created or replaced item to database
+	void DoCommitItemL(TRequestStatus& aStatus);
+	// Closes the opened item
+	void DoCloseItem();
+	// Moves item in the database
+	void DoMoveItemL(TSmlDbItemUid aUid, TSmlDbItemUid aNewParent, TRequestStatus& aStatus);
+	// Deletes item from the database
+	void DoDeleteItemL(TSmlDbItemUid aUid, TRequestStatus& aStatus);
+	// Soft deletes item (if supported by plugin adapter), can be equal to DoDeleteItemL
+	void DoSoftDeleteItemL(TSmlDbItemUid aUid, TRequestStatus& aStatus);
+	// Deletes all items from the database
+	void DoDeleteAllItemsL(TRequestStatus& aStatus);
+
+	// Returns, whether data store has history info. EFalse means slow sync
+	TBool DoHasSyncHistory() const;
+	// Returns ids of items, which are added after previous synchronization
+	const MSmlDataItemUidSet& DoAddedItems() const;
+	// Returns ids of items, which are deleted after previous synchronization
+	const MSmlDataItemUidSet& DoDeletedItems() const;
+	// Returns ids of items, which are soft-deleted after previous synchronization
+	const MSmlDataItemUidSet& DoSoftDeletedItems() const;
+	// Returns ids of items, which are modified after previous synchronization
+	const MSmlDataItemUidSet& DoModifiedItems() const;
+	// Returns ids of items, which are moved after previous synchronization
+	const MSmlDataItemUidSet& DoMovedItems() const;
+	// Resets change information of items (makes all items new from DS point of view)
+	void DoResetChangeInfoL(TRequestStatus& aStatus);
+	// Commits the changes, that are sent into the remote server
+	void DoCommitChangeInfoL(TRequestStatus& aStatus, const MSmlDataItemUidSet& aItems);
+	// Commits the changes, that are sent into the remote server
+	void DoCommitChangeInfoL(TRequestStatus& aStatus);
+	
+
+private:
+    TContactItemId CreateNewGroupL( const TDesC& aLabel,
+            const CContactIdArray& aContactArray/*, const TDesC& aRingtone*/ );
+    
+    void ReplaceGroupL( TContactItemId aGroupId, const TDesC& aLabel,
+            const CContactIdArray& aContactArray/*, const TDesC& aRingtone*/ );
+    
+    // Create and save snapshot from items on database
+    void RegisterSnapshotL();
+    
+    void AssignString( TDes8& aDestination, const TDesC8& aSource );
+    
+    // Updates contacts last modified time.
+    void UpdateContactLastMod( TContactItemId aContactId, const TTime& aLastModified );
+    
+    // Checks does group name already exists.
+    TBool GroupNameExistsL( const TDesC& aLabel );
+    
+    // Data store states
+    enum TState
+        {
+        EClosed = 0,
+        EOpenAndWaiting,
+        EContactGrpOpening,
+        EContactGrpCreating,
+        EContactGrpUpdating
+        }; 	
+        
+    TState iCurrentState;    
+
+    RFs                 iFs;
+	
+	CContactDatabase*   iContactsDb;
+	
+	TRequestStatus*     iCallerStatus;
+
+    /**
+	* Key that is used in sorting snapshot.
+	*/
+    const TKeyArrayFix  iKey;
+    
+    /**
+	* Change finder, used to determine db modifications.
+	*/
+    CChangeFinder*      iChangeFinder;
+
+    /**
+	* VCard item converter
+	*/
+    CContactsGrpConverter* iConverter;
+	
+    TSmlDbItemUid* iCurrentItem;
+    TSmlDbItemUid  iItemToBeReplaced;
+	
+	CBufFlat*  iDataBuffer;
+	TInt       iWriterPosition;
+	TInt       iReaderPosition;
+	
+	TBool      iHasHistory;
+	
+	CNSmlDataItemUidSet* iNewItems;
+    CNSmlDataItemUidSet* iDeletedItems;
+    CNSmlDataItemUidSet* iUpdatedItems;
+    CNSmlDataItemUidSet* iEmptyList;
+	};
+
+#endif // __CONTACTSGRPDATASTORE_H__
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