/*

* Copyright (c) 2009 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: 

*

*/

// INCLUDE FILES

#include <e32std.h>                      

#include "trksrvclisession.h"

#include "trkconnstatelistener.h" 

// LOCAL FUNCTION PROTOTYPES

// LOCAL CONSTANTS

//

// CTrkConnStateListener::CTrkConnStateListener

// Constructor

//

CTrkConnStateListener::CTrkConnStateListener (RTrkSrvCliSession& aTrkSrvSession, MTrkServerEventCallback *aTrkServerEventCallback) 

              :CTrkServerEventListener(aTrkSrvSession, aTrkServerEventCallback, CActive::EPriorityStandard), iConnMsg(KNullDesC), iConnState(iConnStatus)

{

    iConnStatus = ETrkNotConnected;

    iTrkSrvSession.GetDebugConnStatus(iConnStatus, iConnMsg);

    CActiveScheduler::Add( this ); 

}

//

// CTrkConnStateListener::~CTrkConnStateListener

// Destructor

//

CTrkConnStateListener::~CTrkConnStateListener()

{

    Cancel();   // Ensure that any outstanding requests are cancelled

    Deque();

}

//

// CTrkConnStateListener::ListenL

// Starts listening for usb connection status notifications..

//

void CTrkConnStateListener::ListenL()

{       

    IssueRequestL();        

}

//

// CTrkConnStateListener::StopListening

// Cancel any pending requests for connection status notifications.

//

void CTrkConnStateListener::StopListening()

{

    Cancel();   

}

//

// CTrkConnStateListener::IssueRequestL

//

TBool CTrkConnStateListener::IsConnected()

{       

   iTrkSrvSession.GetDebugConnStatus(iConnStatus, iConnMsg);

   return (iConnStatus==ETrkConnected);

}

//

// CTrkConnStateListener::IssueRequestL

//

void CTrkConnStateListener::IssueRequestL()

{       

    if (IsActive()) //already listening, just return...

        return;

    iTrkSrvSession.DebugConnStatusNotify(iConnState, iConnMsg, iStatus);

    SetActive();    

}

//

// CTrkConnStateListener::DoCancel

// This method gets called from CActive::Cancel();

//

void CTrkConnStateListener::DoCancel()

{

    iTrkSrvSession.DebugConnStatusNotifyCancel();   

}

//

// CTrkConnStateListener::RunL

// This method gets called whenever there is a change in the connection status.

//

void CTrkConnStateListener::RunL()

{

    User::LeaveIfError( iStatus.Int() );

    if (iTrkServerEventCallback)

        iTrkServerEventCallback->ConnectionStateChanged(iConnStatus);

    IssueRequestL();

}