/*

* Copyright (c) 2008 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:  UpdateQueue controls the feeds to be updated.

*

*/

#include "UpdateManager.h"

#include "UpdateQueue.h"

#include "FeedsServer.h"

// -----------------------------------------------------------------------------

// CUpdateQueue::NewL

//

// Two-phased constructor.

// -----------------------------------------------------------------------------

CUpdateQueue* CUpdateQueue::NewL(CUpdateAllFeedsTask* aUpdateAllFeedTask,TInt aFreq)

    {

    CUpdateQueue* self = new (ELeave) CUpdateQueue( aUpdateAllFeedTask, aFreq);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

// -----------------------------------------------------------------------------

// CUpdateQueue::ConstructL

//

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------	

void CUpdateQueue::ConstructL()

    {

    iLastAutoUpdate.HomeTime();

    TDateTime dateTime = iLastAutoUpdate.DateTime();

    TInt mins;

    switch(iFreq)

        {

        case 10080:

            mins = iLastAutoUpdate.DayNoInWeek()*60*24 + dateTime.Hour() * 60 + dateTime.Minute();

            break;

        default:

            mins = dateTime.Hour() * 60 + dateTime.Minute();

            break;

        }

    iLastAutoUpdate = iLastAutoUpdate - TTimeIntervalMinutes(mins % iFreq);

    }

// -----------------------------------------------------------------------------

// CUpdateQueue::CUpdateQueue

//

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

 CUpdateQueue::CUpdateQueue( CUpdateAllFeedsTask* aUpdateAllFeedTask, TInt aFreq ):

            iFreq( aFreq), iCurrentState( aFreq), iUpdateAllFeedsTask( aUpdateAllFeedTask)

    {

    }

// -----------------------------------------------------------------------------

// CUpdateQueue::~CUpdateQueue

//

// Deconstructor.

// ----------------------------------------------------------------------------- 

CUpdateQueue::~CUpdateQueue()

    {

   	iFeedIds.Reset();

    }

// -----------------------------------------------------------------------------

// CUpdateQueue::AddFeed

// 

// Add feed to the Update feed list

// -----------------------------------------------------------------------------     

TInt CUpdateQueue::AddFeed( TInt aFeedId)

    {

    return iFeedIds.Append( aFeedId);

    }

// -----------------------------------------------------------------------------

// CUpdateQueue::RemoveFeed

// 

// Remove feed from list

// ----------------------------------------------------------------------------- 

TInt CUpdateQueue::RemoveFeed( TInt aFeedId)

    {

	TInt found = -1;

	if((found = iFeedIds.Find( aFeedId)) != KErrNotFound)

        {

        iFeedIds.Remove(found);

        }

	return found;

    }

// -----------------------------------------------------------------------------

// CUpdateQueue::UpdateL

// 

// Decrement the counter

// ----------------------------------------------------------------------------- 

TInt CUpdateQueue::UpdateL(TInt /*aMinutes*/)

    {

    TTime currentTime;

    currentTime.HomeTime();

    TTimeIntervalMinutes diff;

    currentTime.MinutesFrom(iLastAutoUpdate,diff);

    if(diff.Int() + 1 >= iFreq)

        {

        iUpdateAllFeedsTask->AddFeedL(iFeedIds);

        iLastAutoUpdate.HomeTime();

        TDateTime dateTime = iLastAutoUpdate.DateTime();

        TInt mins;

        switch(iFreq)

            {

            case 10080:

                mins = iLastAutoUpdate.DayNoInWeek()*60*24 + dateTime.Hour() * 60 + dateTime.Minute();

                break;

            default:

                mins = dateTime.Hour() * 60 + dateTime.Minute();

                break;

            }

        iLastAutoUpdate = iLastAutoUpdate - TTimeIntervalMinutes(mins % iFreq);

        }

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CUpdateQueue::GetFreq

// 

// return the frequency

// ----------------------------------------------------------------------------- 

TInt CUpdateQueue::GetFreq()

    {

    return iFreq;

    }

// -----------------------------------------------------------------------------

// CUpdateQueue::Count

// 

// return the count

// -----------------------------------------------------------------------------     

TInt CUpdateQueue::Count()

    {

    return iFeedIds.Count();

    }