bluetoothengine/btaudioman/inc/BTAccInfoRequester.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 15:08:36 +0300
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/*
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* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Retrieves accessory information from Bluetooth Accessory Server
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*
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*/
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#ifndef BTACCINFOREQUESTER_H
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#define BTACCINFOREQUESTER_H
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// INCLUDES
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#include <e32base.h>
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#include <AsyCmdTypes.h>
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#include <bt_sock.h>
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#include "BTAccClient.h"
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#include "BTAccInfo.h"
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// FORWARD DECLARATIONS
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class TAccInfo;
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// CLASS DECLARATION
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class MBTAccInfoNotifier
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    {
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    public:
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        virtual void GetBTAccInfoCompletedL(TInt aErr, const TASYBTAccInfo& aAccInfo) = 0;
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    };
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/**
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*  Active object to fetch Acc Info from BTAccClient.
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*
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*  @lib BTAccInfo.dll
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*  @since Series 60 3.1
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*/
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class CBTAccInfoRequester : public CActive
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    {
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    public: // Constructors and destructor
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        /**
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        * Two-phased constructor.
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        * @param aNotifier A reference used for call-back to BTAccInfoCmdHandler class
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        * @return The created object.        
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        */
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        static CBTAccInfoRequester* NewL(MBTAccInfoNotifier& aNotifier);
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        /**
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        * Destructor.
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        */
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        virtual ~CBTAccInfoRequester();
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    public: // New functions
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       /**
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        * Gets the info of a BT audio accessory
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        * @since Series 60 3.1
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        * @param TBTDevAddr bluetooth device of the accessory
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        *        whose information is required
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        */    
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        void GetBTAccInfoL(const TBTDevAddr& aAddr);
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    protected: // Functions from base classes
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        /**
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        * From CActive Handles an active object's request completion event.
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        */
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        void RunL();
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        void DoCancel();
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    private:
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        /**
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        * C++ default constructor.
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        * @param aNotifier A reference used for call-back to BTAccInfoCmdHandler class
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        */
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        CBTAccInfoRequester(MBTAccInfoNotifier& aNotifier);
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    private:    // Data
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        MBTAccInfoNotifier& iNotifier; // Store a reference to get a call-back to BTAccInfoCmdHandler class
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        RBTAccClient iBTAccClient; // Call BT Acc Server component to retrieve information of an accessory
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        TAccInfo iAccInfo;
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        TPckg<TAccInfo> iAccInfoPckg;
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    };
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#endif // BTACCINFOREQUESTER_H
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// End of File