1 // Copyright (c) 2007-2009 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 PAIRINGSCACHE_H

    17 #define PAIRINGSCACHE_H

    18 

    19 #include <e32base.h>

    20 #include "RegistryHelpers.h"

    21 

    22 class CBTPairedBDAddrGetter;

    23 

    24 class MBTPairingsCacheObserver

    25 	{

    26 public:

    27 	virtual void MbpcoDeferredDecisionResolved(TInt aError) = 0;

    28 	};

    29 

    30 NONSHARABLE_CLASS(CBTPairingsCache) : public CBase, public MBTPairedDeviceNotifier

    31 	{

    32 public:

    33 	enum TPairingState

    34 		{

    35 		ENotPaired,

    36 		EPaired,

    37 		EDeferred, // Issued when we are waiting for a registry update.

    38 		};

    39 public:

    40 	static CBTPairingsCache* NewL(MBTPairingsCacheObserver& aObserver, RBTRegServ& aRegServ);

    41 	~CBTPairingsCache();

    42 

    43    	void UpdateCache();

    44 	TPairingState IsPaired(const TBTDevAddr& aBDAddr);

    45 

    46 private:

    47 	CBTPairingsCache(MBTPairingsCacheObserver& aObserver);

    48 	void ConstructL(RBTRegServ& aRegServ);

    49 

    50 	static TBool AreBDAddrsEqual(const TBTDevAddr& aA, const TBTDevAddr& aB);

    51     TInt PairedDeviceIndex(const TBTDevAddr& aBDAddr);

    52 	TBool InPairingCache(const TBTDevAddr& aBDAddr);

    53 	void DoUpdateCache();

    54 	void RemoveAllPairedDevices();

    55 	void InformObserver(TInt aError);

    56 	TInt AddPairedDevice(const TBTDevAddr& aAddr);

    57 

    58 private: // MBTPairedDeviceNotifier

    59 	virtual void MbpdnAddPairedDevices(const RBTDeviceArray& aAddrs);

    60 	virtual void MbpdnErrorInGettingPairedDevices(TInt aError);

    61 

    62 private:

    63 	enum TCacheState

    64 		{

    65 		EValid,

    66 		EUpdateOutstanding,

    67 		EUpdateFailed,

    68 		};

    69 

    70 private:

    71 	MBTPairingsCacheObserver& iObserver;

    72 	CBTPairedBDAddrGetter* iBTPairedBDAddrGetter;

    73 	RArray<TBTDevAddr> iPairedBDAddrs;

    74 	TCacheState iCacheState;

    75 	TBool iDeferredDecision;

    76 	};

    77 

    78 

    79 #endif // PAIRINGSCACHE_H