/*

 * Copyright (c) 2007-2010 Sebastian Brannstrom, Lars Persson, EmbedDev AB

 *

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "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:

 * EmbedDev AB - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#include "connectionengine.h"

#include "settingsengine.h"

#include "podcastmodel.h"

CConnectionEngine* CConnectionEngine::NewL(CPodcastModel& aPodcastModel)

	{

	CConnectionEngine* self = new (ELeave) CConnectionEngine(aPodcastModel);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CConnectionEngine::~CConnectionEngine()

	{

	delete iMobility;

	Cancel();

	iConnection.Close();

	iSocketServer.Close();

	iObserverArray.Close();

	}

CConnectionEngine::CConnectionEngine(CPodcastModel& aPodcastModel):

					CActive(CActive::EPriorityStandard),iPodcastModel(aPodcastModel)

	{

	CActiveScheduler::Add(this);	

	}

void CConnectionEngine::ConstructL()

	{

	User::LeaveIfError(iSocketServer.Connect());

	User::LeaveIfError( iConnection.Open( iSocketServer ) );

	}

void CConnectionEngine::RunL()

	{

	DP2("CConnectionEngine::RunL BEGIN, iStatus.Int()=%d, iConnectionState=%d", iStatus.Int(), iConnectionState);

	if ( iStatus.Int() == KErrNone && iMobility == NULL && iConnectionState == EConnected)

		{

		TRAPD(err, iMobility = CActiveCommsMobilityApiExt::NewL( iConnection, *this ));

		if (err != KErrNone)

			{

			DP1("Leave in CActiveCommsMobilityApiExt::NewL, err=%d", err);

			}

		}

	iConnectionState = iStatus.Int() == KErrNone?CConnectionEngine::EConnected:CConnectionEngine::ENotConnected;

	ReportConnectionL( iStatus.Int() );

	DP("CConnectionEngine::RunL END");

	}

void CConnectionEngine::DoCancel()

	{

	}

TInt CConnectionEngine::RunError( TInt /*aError*/ )

	{

	return KErrNone;

	}

void CConnectionEngine::PreferredCarrierAvailable( TAccessPointInfo /*aOldAPInfo*/,

		TAccessPointInfo /*aNewAPInfo*/,

		TBool aIsUpgrade,

		TBool aIsSeamless )

	{

	DP("CConnectionEngine::PreferredCarrierAvailable");

	if ( aIsUpgrade )

		{        

		}

	else

		{       

		}

	if ( aIsSeamless )

		{

		// in S60 3.2, this situation cannot occur.        

		}

	else

		{       

		// Sockets have to be closed at this point.        

		iMobility->MigrateToPreferredCarrier();

		}

	}

void CConnectionEngine::NewCarrierActive( TAccessPointInfo /*aNewAPInfo*/, TBool aIsSeamless )

	{    

	DP("CConnectionEngine::NewCarrierActive");

	if ( aIsSeamless )

		{

		// in S60 3.2, this situation cannot occur.

		}

	else

		{        

		// Sockets have to be re-opened and check they can connect

		// to their server at this point.        

		iMobility->NewCarrierAccepted();

		}

	}

void CConnectionEngine::Error( TInt /*aError*/ )

	{

	}

TBool CConnectionEngine::ConnectionSettingL()

	{

	DP("CConnectionEngine::ConnectionSettingL");

	TBool selected( EFalse );

	CCmApplicationSettingsUi* settings = CCmApplicationSettingsUi::NewL();

	CleanupStack::PushL( settings );

	TUint listedItems = 

	CMManager::EShowDefaultConnection |

	CMManager::EShowDestinations;

	TBearerFilterArray filter;

	ReportConnectionSelectionStart();

	selected = settings->RunApplicationSettingsL( iUserSelection,

			listedItems,

			filter );

	CleanupStack::PopAndDestroy( settings );

	ReportConnectionSelectionEnd();

	return selected;

	}

void CConnectionEngine::StartL(TConnectionType aConnectionType)

	{

	DP1("CConnectionEngine::StartL BEGIN, aConnectionType=%d", aConnectionType);

	iConnection.Close();

	User::LeaveIfError( iConnection.Open( iSocketServer ) );

	// Connect using UI Setting

	if(aConnectionType == EDefaultConnection)

		{

		iConnection.Start( iStatus );

		SetActive();

		}

	else if(aConnectionType == EUserSelectConnection)

		{				

		TBool selected = ConnectionSettingL();

		if ( selected )

			{

			switch ( iUserSelection.iResult )

				{

				case CMManager::EDestination:

					{					

					iSnapPreference.SetSnap( iUserSelection.iId );

					iConnection.Start( iSnapPreference, iStatus );

					aConnectionType = ESNAPConnection;

					break;

					}				

				default: // CMManager::EAlwaysAsk

				case CMManager::EDefaultConnection:

					{					

					iConnection.Start( iStatus );

					break;

					}									

				}						

			}

		else

			{

			TRequestStatus* status = &iStatus;

			User::RequestComplete(status, KErrCancel);

			}

			SetActive();

		}	

	else if (aConnectionType == EIAPConnection)

		{

		iCommdbPreference.SetIapId((iPodcastModel.SettingsEngine().SpecificIAP()& KUseIAPMask));

		iCommdbPreference.SetDialogPreference(ECommDbDialogPrefDoNotPrompt);

		iCommdbPreference.SetDirection(ECommDbConnectionDirectionOutgoing);

		iConnection.Start( iCommdbPreference, iStatus );

		SetActive();

		}

	// Connect using SNAP 

	else

		{

		iSnapPreference.SetSnap(iPodcastModel.SettingsEngine().SpecificIAP());

		iConnection.Start( iSnapPreference, iStatus );

		SetActive();	

		}		

	iConnectionType = aConnectionType;

	iConnectionState = CConnectionEngine::EConnecting;

	DP1("CConnectionEngine::StartL END, iConnectionState=%d", iConnectionState);	

	}

void CConnectionEngine::Stop()

	{

	DP("CConnectionEngine::Stop");

	iConnection.Stop();

	iConnectionState = CConnectionEngine::ENotConnected;

	}

RConnection& CConnectionEngine::Connection()

	{

	return iConnection;	

	}

CConnectionEngine::TConnectionState CConnectionEngine::ConnectionState()

	{

	DP("CConnectionEngine::ConnectionState BEGIN");

	TInt selectedConn = (TInt) iSnapPreference.Snap();

	TInt specIAPSNAP = iPodcastModel.SettingsEngine().SpecificIAP();

	// If we have IAP preference then get that from our current connection and mask out the selected iap

	if((specIAPSNAP&KUseIAPFlag))

		{

		selectedConn = iCommdbPreference.IapId();

		specIAPSNAP = specIAPSNAP&KUseIAPMask;

		}

	// IAPSNAP must be > 0 and then  if the IAP/Sel conn IAP differs

	if(specIAPSNAP >0 && specIAPSNAP !=  selectedConn )

		{

		if(iConnection.SubSessionHandle() != 0)

			{

			iConnection.Stop();

			}

		iConnectionState = CConnectionEngine::ENotConnected;

		}

	else

		{

		// We have a user selection or default selction, check our current connection state.

		TNifProgress progress;

		if(iConnection.Progress(progress) == KErrNone)

			{

			if(progress.iError == KErrNone && progress.iStage != 0)

				{

				if(progress.iStage == KLinkLayerOpen)

					{

					iConnectionState = CConnectionEngine::EConnected;

					}				

				}

			else if(iConnectionState != CConnectionEngine::EConnecting)

				{

				iConnectionState = CConnectionEngine::ENotConnected;

				}

			}

		else

			{

			iConnectionState = CConnectionEngine::ENotConnected;

			}

		}

	DP("CConnectionEngine::ConnectionState END");

	return iConnectionState;

	}

EXPORT_C void CConnectionEngine::AddObserver(MConnectionObserver* aObserver)

	{

	DP("CConnectionEngine::AddObserver");

	iObserverArray.Append(aObserver);

	}

EXPORT_C void CConnectionEngine::RemoveObserver(MConnectionObserver* aObserver)

	{

	DP("CConnectionEngine::RemoveObserver");

	for (int i=0;i<iObserverArray.Count();i++)

		{

		if (iObserverArray[i] == aObserver)

			{

			iObserverArray.Remove(i);

			}

		}

	}

RSocketServ& CConnectionEngine::SockServ()

	{

	return iSocketServer;

	}

void CConnectionEngine::ReportConnectionL(TInt aError)

	{

	DP1("CConnectionEngine::ReportConnectionL, aError=%d", aError);

	TInt noObservers = iObserverArray.Count();

	DP1("    noObservers=%d", noObservers);

	while(noObservers)

		{

		noObservers--;

		DP("    calling callback");

		iObserverArray[noObservers]->ConnectCompleteL(aError);

		}

	}

void CConnectionEngine::ReportConnectionSelectionStart()

	{

	TInt noObservers = iObserverArray.Count();

	while(noObservers)

		{

		noObservers--;

		iObserverArray[noObservers]->ConnectionSelectionStart();

		}

	}

void CConnectionEngine::ReportConnectionSelectionEnd()

	{

	TInt noObservers = iObserverArray.Count();

	while(noObservers)

		{

		noObservers--;

		iObserverArray[noObservers]->ConnectionSelectionEnd();

		}

	}