1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef PBAPPBHANDLECACHE_H

    17 #define PBAPPBHANDLECACHE_H

    18 

    19 #include <e32std.h>

    20 #include <badesca.h>

    21 #include <cntdef.h>

    22 #include <cntdbobs.h>

    23 

    24 //constants

    25 const TInt KOwnCardHandle = 0;

    26 

    27 //forward declarations

    28 class CContactDatabase;

    29 class CContactChangeNotifier;

    30 

    31 

    32 class MPbHandleCacheObserver

    33 	{

    34 public:

    35 	virtual void HandleCacheChanged()=0;

    36 	};

    37 	

    38 

    39 class TPbHandleAndId

    40 	{

    41 public:

    42 	inline TPbHandleAndId(TInt aHandle, TContactItemId aContactId) : iHandle(aHandle), iContactId(aContactId) {};

    43 	

    44 public:

    45 	TInt iHandle;

    46 	TContactItemId iContactId;

    47 	};

    48 

    49 				

    50 class CPbapPbHandleCache : public CBase, public MContactDbObserver

    51 	{

    52 public:

    53 	static CPbapPbHandleCache* NewL(CContactDatabase& aDatabase, MPbHandleCacheObserver& aObserver);

    54 	~CPbapPbHandleCache();

    55 

    56 public:

    57 	TInt HandleAtL(TUint aIndex) const;

    58 	TContactItemId ContactIdAtL(TUint aIndex) const;

    59 	TInt FindHandle(TInt aHandle) const;

    60 	TInt FindContactId(TContactItemId aContactId) const;	

    61 	inline TInt Count() const;	

    62 

    63 public:

    64 	static TInt CompareHandles(const TPbHandleAndId& aFirst, const TPbHandleAndId& aSecond);

    65 	static TBool MatchContactIds(const TPbHandleAndId& aFirst, const TPbHandleAndId& aSecond);

    66 

    67 private:

    68 	CPbapPbHandleCache(CContactDatabase& aDatabase, MPbHandleCacheObserver& aObserver);

    69 	void ConstructL();

    70 	void CreateHandleListL();

    71 

    72 	void HandleContactAddedL(TContactItemId aContactId);

    73 	void HandleContactDeleted(TContactItemId aContactId);

    74 	void HandleOwnCardChangedL();

    75 	void HandleOwnCardDeleted();

    76 	TInt NextAvailableHandleL() const;

    77 		

    78 private: 

    79 	//from MContactDbObserver	

    80 	void HandleDatabaseEventL(TContactDbObserverEvent aEvent);

    81 	

    82 private:

    83 	CContactDatabase& iDatabase;

    84 	MPbHandleCacheObserver& iObserver;

    85 	CContactChangeNotifier* iChangeNotifier;

    86 

    87 	RArray<TPbHandleAndId> iHandleList;

    88 	

    89 	};

    90 

    91 inline TInt CPbapPbHandleCache::Count() const

    92 	{

    93 	return iHandleList.Count();

    94 	}

    95 		

    96 #endif // PBAPPBHANDLECACHE_H