/*

* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

* 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:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

/**

 @file

 @internalComponent

 @released

*/

#include <e32debug.h>

#include <s32mem.h>

#include "authserver_impl.h"

#include "log.h"

using namespace AuthServer;

/**

  CPluginObserver registers for ECOM notification when new authentication plugins are added 

  or removed and updates the plugin manager accordingly. 

  */

/** 

  Constructs a new CPluginObserver object and puts it on the cleanup stack.

  */

CPluginObserver* CPluginObserver::NewLC(CPluginMgr& aPluginMgr)

	{

	CPluginObserver* self = new (ELeave) CPluginObserver(aPluginMgr);

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

/** 

  Constructs a new CPluginObserver object.

  */

CPluginObserver* CPluginObserver::NewL(CPluginMgr& aPluginMgr)

	{

	CPluginObserver* self = CPluginObserver::NewLC(aPluginMgr);

	CleanupStack::Pop(self);

	return self;

	}

CPluginObserver::CPluginObserver(CPluginMgr& aPluginMgr) : CActive(EPriorityStandard), iPluginMgr(aPluginMgr)

	{

	}

CPluginObserver::~CPluginObserver()

	{

	Cancel();

	// Close our ECOM session

	if(iEcomSession)

		{

		iEcomSession->CancelNotifyOnChange(iStatus);

		iEcomSession->Close();

		REComSession::FinalClose();

		}

	}

void CPluginObserver::ConstructL()

	{

	// Add ourselves to the current active scheduler so we can get dynamic 

	// updates when authentication plugins are removed or new plugins are added

	CActiveScheduler::Add(this);

	iEcomSession = &REComSession::OpenL();

	// register for ECOM update notifications in case a new agent appears

	iEcomSession->NotifyOnChange(iStatus);

	SetActive();

	}

void CPluginObserver::DoCancel()

	{

	// Abort any update notification 

	iEcomSession->CancelNotifyOnChange(iStatus);

	}

void CPluginObserver::RunL()

	{

	// Leave if there has been an error

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

	// the ownership is with auth server, so dont delete it.

	iPluginMgr.BuildAuthPluginsListL();

	// request notification of any further changes

	iEcomSession->NotifyOnChange(iStatus);

	SetActive();

	}

TInt CPluginObserver::RunError(TInt aError)

    {

    _LIT(KAuthError, "Authserver Panic :");

    User::Panic(KAuthError, aError);

	return KErrNone;

	}