/*

* Copyright (c) 2007 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:  BT HID client implementation

 *

*/

#include <btmanclient.h>

#include "bthidclient.h"

#include "bthidclientsrv.h"

#include "debug.h"

#include "hiduids.h"

static TInt StartServer();

// ---------------------------------------------------------

// Connect

// Handles connection to server(creates session)

// ---------------------------------------------------------

//

EXPORT_C TInt RBTHidClient::Connect()

    {

        TRACE_FUNC

    TInt retVal = CreateSession(KBTHidSrvName, Version());

    if (retVal != KErrNone && retVal != KErrAlreadyExists)

        {

        retVal = StartServer();

        if (retVal == KErrNone || retVal == KErrAlreadyExists)

            {

            retVal = CreateSession(KBTHidSrvName, Version());

            }

        }

        TRACE_INFO((_L("[BTHID] ret %d "), retVal))

    if (retVal != KErrNone)

        {

        Close();

        }

    return retVal;

    }

// ---------------------------------------------------------

// Version

// Defines server version number

// ---------------------------------------------------------

//

TVersion RBTHidClient::Version() const

    {

    return (TVersion(KBTHIDServMajorVersionNumber,

            KBTHIDServMinorVersionNumber, KBTHIDServBuildVersionNumber));

    }

// ---------------------------------------------------------

// ConnectToHID

// Establishes a Bluetooth HID connection

// ---------------------------------------------------------

//

EXPORT_C void RBTHidClient::ConnectDevice(const TBTDevAddrPckgBuf& aAddrBuf,

        TDes8& aDiagnostic, TRequestStatus& aStatus)

    {

    SendReceive(EBTHIDServConnectDevice, TIpcArgs(&aAddrBuf, &aDiagnostic),

            aStatus);

    }

// ---------------------------------------------------------

// CancelConnectDevice

// Cancel Connection attempt

// ---------------------------------------------------------

//

EXPORT_C void RBTHidClient::CancelConnectDevice() const

    {

    SendReceive(EBTHIDServCancelConnect);

    }

// ---------------------------------------------------------

// NotifyStatusChange

// Request for a notify for change of connection status

// ---------------------------------------------------------

//

EXPORT_C void RBTHidClient::NotifyStatusChange(

        THIDStateUpdateBuf& aUpdateParams, TDes8& aDiagnostic,

        TRequestStatus& aStatus)

    {

    SendReceive(EBTHIDServNotifyConnectionChange, TIpcArgs(&aUpdateParams,

            &aDiagnostic), aStatus);

    }

// ---------------------------------------------------------

// CancelNotifyStatusChange

// Cancel a outstanding request for a notify for change of connection status

// ---------------------------------------------------------

//

EXPORT_C void RBTHidClient::CancelNotifyStatusChange() const

    {

    SendReceive(EBTHIDServCancelNotify);

    }

// ---------------------------------------------------------

// DisconnectDevice

// Disconnect from the selected HID device

// ---------------------------------------------------------

//

EXPORT_C void RBTHidClient::DisconnectDevice(

        const TBTDevAddrPckgBuf& aAddrBuf, TBTDisconnectType aDiscType,

        TRequestStatus& aStatus)

    {

    TBTHidParamPkg discPkg(aDiscType);

    SendReceive(EBTHIDServDisconnectDevice, TIpcArgs(&aAddrBuf, &discPkg),

            aStatus);

    }

// ---------------------------------------------------------

// DisconnectAllGracefully

// Disconnect from the all HID devices

// ---------------------------------------------------------

//

EXPORT_C void RBTHidClient::DisconnectAllGracefully(TRequestStatus& aStatus)

    {

        TRACE_FUNC

    SendReceive(EBTHidSrvDisconnectAllGracefully, aStatus);

    }

// ---------------------------------------------------------

// IsConnected

// Request for the connection status for a specified device

// ---------------------------------------------------------

//

EXPORT_C TInt RBTHidClient::IsConnected(const TBTDevAddr& aBTaddr)

    {

    TPckgC<TBTDevAddr> addrPck(aBTaddr);

    return SendReceive(EBTHIDServIsConnected, TIpcArgs(&addrPck));

    }

// ---------------------------------------------------------

// GetConnections

// Request for a list of current connected HID device addresses

// ---------------------------------------------------------

//

EXPORT_C void RBTHidClient::GetConnections(TDes8& aAddrs, TInt aProfile)

    {

        TRACE_FUNC

    SendReceive(EBTHIDGetConnections, TIpcArgs(&aAddrs, aProfile));

    }

TInt StartServer()

    {

        TRACE_STATIC_FUNC

    const TUid KKBTHIDSrvUid3 =

        {

        BTHID_SRV_UID

        };

    const TUidType serverUid(KNullUid,KNullUid, KKBTHIDSrvUid3);

    RProcess server;

    TInt r = server.Create(KBTHidServerFilename, KNullDesC, serverUid);

    if (r != KErrNone)

        return r;

    server.SetPriority(EPriorityHigh);

    TRequestStatus stat;

    server.Rendezvous(stat);

    if (stat != KRequestPending)

        {

        server.Kill(0);

        }

    else

        {

        server.Resume();

        }

    User::WaitForRequest(stat);

        TRACE_INFO((_L("[BTHID] Server started, code %d"), stat.Int()))

    r = (server.ExitType() == EExitPanic) ? KErrGeneral : stat.Int();

    server.Close();

    return r;

    }

// End of File