// Copyright (c) 1997-2009 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 "apgnotif.h"

#include "APGSTD.H"

EXPORT_C CApaAppListNotifier::~CApaAppListNotifier()

/** The destructor calls Cancel() and closes the session with the server. 

@see CActive::Cancel() */

	{

	Cancel();

	iLsSession.Close();

	}

EXPORT_C CApaAppListNotifier* CApaAppListNotifier::NewL(MApaAppListServObserver* aObserver, TPriority aPriority)

/** Allocates and constructs an application list change notifier. 

It creates a session with the application architecture server (RApaLsSession), 

issues the notification request to the server and adds itself to the active scheduler.

@param aObserver Observer whose HandleAppListEvent() function is called when application list is changed.

@param aPriority The active object priority.

@return The application list change notifier. */

	{

	__ASSERT_DEBUG(aObserver!=NULL,Panic(EDPanicInvalidObserver));

	CApaAppListNotifier* self=new(ELeave) CApaAppListNotifier(*aObserver, aPriority);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(); // self

	return self;

	}

CApaAppListNotifier::CApaAppListNotifier(MApaAppListServObserver& aObserver, TPriority aPriority)

	:CActive(aPriority),

	iObserver(aObserver)

	{	

	}

void CApaAppListNotifier::ConstructL()

	{

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

	iLsSession.SetNotify(EFalse, iStatus);

	CActiveScheduler::Add(this);

	SetActive();

	}

void CApaAppListNotifier::DoCancel()

	{

	iLsSession.CancelNotify();

	}

void CApaAppListNotifier::RunL()

	{

	TInt status=iStatus.Int();

	iLsSession.SetNotify(EFalse, iStatus); // requeue before handling in case the handling changes things

	SetActive();

    User::LeaveIfError(status);

    // On Leave, its not necessary to inform observers as nothing is updated

    iObserver.HandleAppListEvent(status);	

	}

//This function is implemented to avoid panic the clients (with E32USER-CBase 47) when RunL leaves

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

    {

    return KErrNone;

    }

//

// MApaAppListServObserver

//

/** Constructor for MApaAppListServObserver */

EXPORT_C MApaAppListServObserver::MApaAppListServObserver()

	{

	}

/** Reserved for future use */	

EXPORT_C void MApaAppListServObserver::MApaAppListServObserver_Reserved1()

	{

	}

/** Reserved for future use */	

EXPORT_C void MApaAppListServObserver::MApaAppListServObserver_Reserved2()

	{

	}