/*

* Copyright (c) 2010 Anders Fridlund, 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 "PodcastFeedViewUpdater.h"

#include "PodcastFeedView.h"

CPodcastFeedViewUpdater* CPodcastFeedViewUpdater::NewL(CPodcastFeedView& aPodcastFeedView)

	{

	CPodcastFeedViewUpdater* self = new (ELeave) CPodcastFeedViewUpdater(aPodcastFeedView);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

void CPodcastFeedViewUpdater::StartUpdate(TInt aNbrItems)

	{

	// If there is an update in progress, stop it.

	StopUpdate();

	// Reset values to start an update from the beginning

	iNbrItems = aNbrItems;

	iNextItem = 0;

	// Queue this active object to be run once

	Call();

	}

void CPodcastFeedViewUpdater::StopUpdate()

	{

	// Cancel any outstanding request

	Cancel();

	// Reset values to zero. Not really necessary, but made for robustness

	iNbrItems = 0;

	iNextItem = 0;

	}

CPodcastFeedViewUpdater::~CPodcastFeedViewUpdater()

	{

	StopUpdate();

	Deque();

	}

CPodcastFeedViewUpdater::CPodcastFeedViewUpdater(CPodcastFeedView& aPodcastFeedView)

	: CAsyncOneShot(EPriorityNormal), iPodcastFeedView(aPodcastFeedView)

	{

	}

void CPodcastFeedViewUpdater::ConstructL()

	{

	}

void CPodcastFeedViewUpdater::RunL()

	{

	_LIT(KPanicCategory, "CPodcastFeedViewUpdater::RunL");

	__ASSERT_DEBUG(iNextItem < iNbrItems, User::Panic(KPanicCategory, 0));

	iPodcastFeedView.UpdateItemL(iNextItem++);

	if (iNextItem < iNbrItems)

		{

		Call();

		}

	else

		{

		StopUpdate();

		}

	}

TInt CPodcastFeedViewUpdater::RunError(TInt aError)

	{

	return aError;

	}