bluetoothengine/btaudioman/inc/BTAccClient.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 22:59:18 +0200
branchRCL_3
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/*
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* Copyright (c) 2005 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: 
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*        BT Accessory Server's client API declaration. Starts server 
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*        and creates a session with server if necessary. 
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*
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*
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*/
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#ifndef BTACCCLIENT_H
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#define BTACCCLIENT_H
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#include <bt_sock.h>
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#include "BTAccInfo.h"
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#include "btaccTypes.h"
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// CLASS DECLARATION
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/**
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* RBTAccClient, the client class. 
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* An RSessionBase sends messages to the server with the function
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* RSessionBase::SendReceive(); specifying an opcode and and array of argument 
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* pointers. Functions in derived classes, such as RBTAccServer::ManageServices(), 
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* are wrappers for different calls to SendReceive().
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*/
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class RBTAccClient : public RSessionBase
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    {
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public:
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    /**
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    * Connects to Bluetooth audio accessory
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    * @param    aStatus the request status, KErrNone if the connection is successful, a Symbian 
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    *           error code otherwise, specifically:
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    *           KErrNotSupported if the device doesn't support any BT audio profile;
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    *           KErrAlreadyExists if the request is rejected due to other existing connections.
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    * @param    aAddrBuf the package buf of the device address
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    * @param    aDiagnostic will contain the conflict connections if connecting fails due to existing connections.
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    *           Otherwise will contain the connected profile (type TProfiles)
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    */
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    void ConnectToAccessory(TRequestStatus& aStatus, const TBTDevAddrPckgBuf& aAddrBuf, TDes8& aDiagnostic);
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    /**
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    * Cancel Connection attempt to Bluetooth audio accessory
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    * @param    aDevice Bluetooth address of the device
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    * @return   TInt indicating the success of call.      
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    */
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    void CancelConnectToAccessory();
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    /**
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    * Disconnects Bluetooth audio accessory
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    * @param    aStatus the request status, KErrNone if the operation is successful, a Symbian 
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    *           error code otherwise
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    * @param    aAddrBuf the package buf of the device address
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    * @param    aDiagnostic will contain the disconnected profile (type TProfiles)
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    */
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    void DisconnectAccessory(TRequestStatus& aStatus, const TBTDevAddrPckgBuf& aAddrBuf, TDes8& aDiagnostic);
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    TInt GetConnections(TDes8& aAddrs, TInt aProfile);
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    /**
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    * Disconnects all connection gracefully.
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    * This is called internally when BTAudioMan is going to be destroyed.
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    */
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    void DisconnectAllGracefully(TRequestStatus& aStatus);
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    void NotifyConnectionStatus(TProfileStatusPckg& aPckg, TRequestStatus& aStatus);
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    void CancelNotifyConnectionStatus();
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    /**
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    * Checks if this is connecting or has been connected to the specified device
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    * 
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    * @param aAddr the specified BD address
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    */
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    TInt IsConnected(const TBTDevAddr& aAddr) const;
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    /**
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    * 
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    */
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    void GetInfoOfConnectedAcc(TPckg<TAccInfo>& aInfoPckg, TRequestStatus& aStatus ); 
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public: // Functions from base classes
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    /**
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    * From RSessionBase informs current version
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    * @param    None
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    * @return   Version information about the server
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    */
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    TVersion Version() const;
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    /**
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    * From RSessionBase connect to the server
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    * @param    None
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    * @return   Error/success code
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    */
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    TInt Connect();
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private:    // Data
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    };
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#endif  // BTACCCLIENT_H
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// End of File