phonebookengines_old/contactsmodel/cntsrv/inc/CCntDbManager.h
changeset 40 b46a585f6909
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines_old/contactsmodel/cntsrv/inc/CCntDbManager.h	Fri Jun 11 13:29:23 2010 +0300
@@ -0,0 +1,137 @@
+/**
+* Copyright (c) 2005-2009 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:
+*
+*/
+
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#ifndef CCNTDBMANAGER_H
+#define CCNTDBMANAGER_H
+
+#include "persistencelayer.h"
+#include "CCntLowDiskManager.h"
+#include <e32base.h>
+
+
+enum TCntFileMode
+	{
+	ECntFileOpen,
+	ECntFileCreate,
+	ECntFileReplace
+	};
+
+class CPersistenceLayer;
+class CCntStateMachine;
+class CCntRequest;
+class CCntBackupRestoreAgent;
+class CIniFileManager;
+class CViewManager;
+
+
+/**
+Low disk threshold is set at 128Kb.  Below this threshold only database
+operations which decrease the size of the database file are allowed.
+*/
+const TInt64 KLowDiskThreshold = 0x20000;
+
+
+/**
+The CCntDbManager class represents the most abstract level of access to the
+Contacts database.
+
+There is one CCntDbManager class per Contacts database.  Multiple sessions
+(CCntSession objects) can be mapped to one CCntDbManager.
+
+Multiple instances of the CCntDbManager class are controlled by the one
+CCntDbManagerController instance (owned by CCntServer2).
+*/
+class CCntDbManager : public CBase, public MContactDbObserver, public MContactLowDiskObserver, public MIniFileManager
+	{
+public:
+	static CCntDbManager* NewLC(RFs& aFs, const TDesC& aCntFile, TCntFileMode aFileMode, CCntBackupRestoreAgent& aBackupRestoreAgent, CIniFileManager& aIniManager);
+	virtual ~CCntDbManager();
+
+	void AddSession();
+	void RemoveSession();
+	TInt SessionCount() const;
+
+	// Access methods.
+	CPersistenceLayer& GetPersistenceLayer();
+	CCntStateMachine& StateMachineL();
+	CCntBackupRestoreAgent& BackupRestoreAgent();
+	CIniFileManager& IniFileManager();
+	CViewManager& ViewManagerL();	
+
+	// Database file methods.
+	const TDesC& CntFile();
+	TInt FileSizeL();
+	
+	void RegisterDatabaseEventObserverL(MContactDbObserver& aObserver);
+	void UnRegisterDatabaseEventObserver(MContactDbObserver& aObserver);
+
+	// From MContactDbObserver.
+	void HandleDatabaseEventL(TContactDbObserverEvent aEvent);
+	void HandleBackupRestoreEventL(TContactDbObserverEvent aEvent);
+	void HandleLowDiskL(TBool aLowDisk);
+
+	void NotifyObserversL(const TContactDbObserverEvent aEvent);
+
+	// Current item methods.
+	void SetCurrentItemL(TContactItemId aContactId, TUint aConnectionId);
+	TContactItemId CurrentItem() const;
+	void RemoveCurrentItemL(TUint aConnectionId);
+	void DeleteNotifyL(TContactItemId aContactId);
+	
+	// Speed dial methods.
+	void GetSpeedDialContactIdAndPhoneNumberL(const TInt aSpeedDialIndex, TSpeedDialPhoneNumber& aPhoneNumber, TContactItemId& aContactId);
+	TContactItemId SetSpeedDialIdForPositionL(const TInt aSpeedDialIndex, const TContactItemId aContactId,  const TSpeedDialPhoneNumber& aPhoneNumber, TUint aConnectionId, TBool aSendNotification);
+	CArrayFix<TInt>* SpeedDialIndicesForContactIdLC(TContactItemId aContactId); 
+
+	void SetCardTemplatePrefIdL(TContactItemId aCardTemplatePrefId, TInt aConnectionId);
+	void RecreateSystemTemplateL();
+
+private:
+	void ConstructL(TCntFileMode aFileMode);
+	CCntDbManager(RFs& aFs, const TDesC& aCntFile, CCntBackupRestoreAgent& aBackupRestoreAgent, CIniFileManager& aIniManager);
+
+	// Access methods.
+	CCntLowDiskManager&	LowDiskManagerL();
+
+private:
+	CCntStateMachine*		iStateMachine;
+	CCntLowDiskManager*		iLowDiskManager;	
+	CPersistenceLayer*		iPersistenceLayer;
+	CViewManager* 			iViewManager;
+
+	RFs&					iFs;
+	TFileName				iCntFile;
+	
+	CCntBackupRestoreAgent& iBackupRestoreAgent;
+	CIniFileManager&		iIniManager;
+
+	TInt 					iSessionCount;
+	
+	// Array of registered database event observers.
+	RPointerArray<MContactDbObserver> iObserverArray;
+ 	};
+
+	
+#endif