/*

* Copyright (c) 2006 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:  

*

*/

/** Add TRAP harnesses for leaving functions such as iServiceSearcher->ConnectL 

Decide what to do with Copyrighted Nokia code */

#include "ObjectExchangeClient.h"

#include "ObjectExchangeServiceSearcher.h"

#include "BTObjectExchange.pan"

#include <e32svr.h>

// Define DEBUG trace for debug builds

#ifdef _DEBUG

#define TRACE(a) RDebug::Print a

#else

#define TRACE(a)

#endif

CObjectExchangeClient* CObjectExchangeClient::NewL()

{

    CObjectExchangeClient* self = NewLC();

    CleanupStack::Pop(self);

    return self;

}

CObjectExchangeClient* CObjectExchangeClient::NewLC()

{

    CObjectExchangeClient* self = new (ELeave) CObjectExchangeClient();

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

}

CObjectExchangeClient::CObjectExchangeClient()

: CActive(CActive::EPriorityStandard),

iState(EWaitingToGetDevice)  // Go to initial state and wait for ConnectL function call

{

    CActiveScheduler::Add(this);

}

void CObjectExchangeClient::ConstructL()

{

    iServiceSearcher = CObjectExchangeServiceSearcher::NewL(); 

}

CObjectExchangeClient::~CObjectExchangeClient()

{

    Cancel();           // Cancel any outstanding request on this object

    delete iCurrObject;

    iCurrObject = NULL;

    delete iServiceSearcher; // iServiceSearcher's destructor completes any outstanding request

    iServiceSearcher = NULL;

    delete iClient;

    iClient = NULL;

}

void CObjectExchangeClient::DoCancel()

{

    // Add Cancelling for outstanding request caused by 

    // iServiceSearcher->SelectDeviceByDiscoveryL(iStatus)

    // and iServiceSearcher->FindServiceL(iStatus);

    // NOTE: works now if the iServiceSearcher is deleted, but not if cancelled

    // SOLUTION: delete and recreate iServiceSearcher in DoCancel? Or implement

    // Cancel to iServiceSearcer!

    if (iState != EWaitingToGetDevice && iClient)

    {

        iClient->Abort();

	delete iClient; // must be deleted so that connection is not left open

					// if sender cancels before receiver accepts connection

	iClient = NULL;

    }

	iServiceSearcher->Cancel();

	iStatus = KErrNone;  // At least emulated version does not work without this    

	iState = EWaitingToGetDevice;

	User::RequestComplete( iObserverStatus, KErrCancel );

}

void CObjectExchangeClient::RunL()

{   

    if (iStatus != KErrNone) 

    {

        switch (iState) 

        {

        case EGettingDevice: 

        case EGettingService:

        case EGettingConnection:

        case EDisconnecting: 

        case EWaitingToSend:    

            User::RequestComplete(iObserverStatus, iStatus.Int()); // Relay error codes

            iState = EWaitingToGetDevice; // Return always to initial state

            break;

        default:            

            Panic(EBTObjectExchangeUnexpectedLogicState); 

            break;

        }

    }    

    else 

    {

        switch (iState)

        {   

        case EGettingDevice:                                 

            iState = EGettingService;   

            iStatus = KRequestPending;  // NOTE: Setting this should be the responsibility 

                                        // of the called function

                                        // move to CBTServiceSearcher::FindServiceL?

            iServiceSearcher->FindServiceL(iStatus); // Find the OBEX service on the target device

            SetActive();

            break;

        case EGettingService:

            iState = EGettingConnection;    

            ConnectToServerL();         // Connect to the OBEX service port on the target device

            break;

        case EGettingConnection:

            iState = EWaitingToSend;               

            User::RequestComplete(iObserverStatus, KErrNone);  // ConnectL was succesfull                          

            break;

        case EWaitingToSend:                 

            User::RequestComplete(iObserverStatus, KErrNone); // SendObjectL was successfull

            break;

        case EDisconnecting:         

            iState = EWaitingToGetDevice;            

            User::RequestComplete(iObserverStatus, KErrNone); // DisconnectL succeeded

            break;

        default:

            Panic(EBTObjectExchangeSdpRecordDelete);

            break;

        };

    }

}

void CObjectExchangeClient::ConnectL(TRequestStatus& aObsRequestStatus)

{

    aObsRequestStatus = KRequestPending;  // Have the observer wait for this request to complete

    iObserverStatus = &aObsRequestStatus; // Store the observer's TRequestStatus for later use 

    if (iState == EWaitingToGetDevice && !IsActive())

    {

        iState = EGettingDevice;

        iServiceSearcher->SelectDeviceByDiscoveryL(iStatus); // Show a device selection dialog

        SetActive();

    }

    else

    {

        // Inform the observer that connection cannot be initiated

        User::RequestComplete(iObserverStatus, KErrInUse );  

        return;

    }

}

void CObjectExchangeClient::ConnectToServerL()

{  

    TObexBluetoothProtocolInfo protocolInfo;

    protocolInfo.iTransport.Copy(KServerTransportName);

    protocolInfo.iAddr.SetBTAddr(iServiceSearcher->BTDevAddr());

    protocolInfo.iAddr.SetPort(iServiceSearcher->Port());

    if (iClient)

    {

        delete iClient;

        iClient = NULL;

    }

    iClient = CObexClient::NewL(protocolInfo);

    iClient->Connect(iStatus);

    SetActive();

}

void CObjectExchangeClient::SendObjectL( const TDesC& aFileName, TRequestStatus& aObsRequestStatus)

{

    aObsRequestStatus = KRequestPending;  // Have the observer wait for this request to complete

    iObserverStatus = &aObsRequestStatus; // Store the observer's TRequestStatus for later use 

    if (iState != EWaitingToSend)

    {

        // Inform the user that sending is not possible because there is no connection

        User::RequestComplete(iObserverStatus, KErrDisconnected);  

        return;

    }

    else if (IsActive()) 

    {

        // Inform the user that there is already an outstanding request on this object

        User::RequestComplete(iObserverStatus, KErrInUse);              

        return;

    }

    delete iCurrObject;

    iCurrObject = NULL;

    TRACE((aFileName));

	iParse.Set( aFileName, NULL, NULL );

    // Create the OBEX object from the file

    TRAPD(err, iCurrObject = CObexFileObject::NewL(aFileName));

    if (err) 

    {

        TRACE((_L("_DEBUG: Error creating CObexFileObject"))); 

        // Inform the observer that file was not found

        User::RequestComplete(iObserverStatus, err);

        return;

    }

    else

    {

        /* Set proper values for the object info ? */

        // Fill in the object info        

        iCurrObject->SetDescriptionL(_L("OBEX file object")); 

        iCurrObject->SetNameL( iParse.NameAndExt());  

        iCurrObject->SetTypeL(_L8("text/plain"));     // NOTE: Sending everything as text/plain

         // Update the header mask

        TObexHeaderMask headermask = iCurrObject->HeaderMask(); // get current header mask

        headermask = headermask | KObexHdrName | KObexHdrType | KObexHdrDescription;

        iCurrObject->SetHeaderMask(headermask);    

    }    

    // Send the object

    iClient->Put(*iCurrObject, iStatus);

    SetActive();

}

void CObjectExchangeClient::StopL()

{

    if (iClient && iClient->IsConnected())

    {

        iClient->Abort();

        iState = EWaitingToGetDevice;

    }

}

void CObjectExchangeClient::DisconnectL(TRequestStatus& aObsRequestStatus)

{    

    aObsRequestStatus = KRequestPending;  // Have the observer wait for this request to complete

    iObserverStatus = &aObsRequestStatus; // Store the observer's TRequestStatus for later use 

    if (iState == EWaitingToGetDevice)

    {

        // Not connected, inform the observer

        User::RequestComplete(iObserverStatus, KErrNone);

        return;                           

    }

    if (iState == EWaitingToSend)

    {

        iState = EDisconnecting;

        iClient->Disconnect(iStatus);

        SetActive();

    }

    else 

    {

        // Busy connecting or disconnecting

        User::RequestComplete(iObserverStatus, KErrInUse);

        return;

    }

}

TBool CObjectExchangeClient::IsBusy()

{

    return IsActive();

}

TBool CObjectExchangeClient::IsConnected()

{

    return iState == EWaitingToSend;

}