1 /*

     2 * Copyright (c) 2010 Anders Fridlund, EmbedDev AB

     3 *

     4 * All rights reserved.

     5 * This component and the accompanying materials are made available

     6 * under the terms of the License "Eclipse Public License v1.0"

     7 * which accompanies this distribution, and is available

     8 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     9 *

    10 * Initial Contributors:

    11 * EmbedDev AB - initial contribution.

    12 *

    13 * Contributors:

    14 *

    15 * Description:

    16 *

    17 */

    18 

    19 #include "PodcastFeedViewUpdater.h"

    20 #include "PodcastFeedView.h"

    21 

    22 CPodcastFeedViewUpdater* CPodcastFeedViewUpdater::NewL(CPodcastFeedView& aPodcastFeedView)

    23 	{

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

    25 	CleanupStack::PushL(self);

    26 	self->ConstructL();

    27 	CleanupStack::Pop(self);

    28 	return self;

    29 	}

    30 

    31 void CPodcastFeedViewUpdater::StartUpdate(TInt aNbrItems)

    32 	{

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

    34 	StopUpdate();

    35 	// Reset values to start an update from the beginning

    36 	iNbrItems = aNbrItems;

    37 	iNextItem = 0;

    38 	// Queue this active object to be run once

    39 	Call();

    40 	}

    41 

    42 void CPodcastFeedViewUpdater::StopUpdate()

    43 	{

    44 	// Cancel any outstanding request

    45 	Cancel();

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

    47 	iNbrItems = 0;

    48 	iNextItem = 0;

    49 	}

    50 

    51 CPodcastFeedViewUpdater::~CPodcastFeedViewUpdater()

    52 	{

    53 	StopUpdate();

    54 	Deque();

    55 	}

    56         

    57 CPodcastFeedViewUpdater::CPodcastFeedViewUpdater(CPodcastFeedView& aPodcastFeedView)

    58 	: CAsyncOneShot(EPriorityNormal), iPodcastFeedView(aPodcastFeedView)

    59 	{

    60 	}

    61 

    62 void CPodcastFeedViewUpdater::ConstructL()

    63 	{

    64 	}

    65 

    66 void CPodcastFeedViewUpdater::RunL()

    67 	{

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

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

    70 	iPodcastFeedView.UpdateItemL(iNextItem++);

    71 	if (iNextItem < iNbrItems)

    72 		{

    73 		Call();

    74 		}

    75 	else

    76 		{

    77 		StopUpdate();

    78 		}

    79 	}

    80 

    81 TInt CPodcastFeedViewUpdater::RunError(TInt aError)

    82 	{

    83 	return aError;

    84 	}

    85