/*

* Copyright (c) 2006 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: Implements a container for buffer switch handling.

*

*/

#include "mpxcollectionviewhgswitchbuffer.h"

#include <gulicon.h>

#include <ganes/HgScroller.h>

#include <ganes/HgVgMediaWall.h>

#include <ganes/HgItem.h>

#include <ganes/HgVgItem.h>

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

// Create a copy of the icons used from input

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

CMPXCollectionViewHgSwitchBuffer* CMPXCollectionViewHgSwitchBuffer::CreateBufferLC( CHgScroller& aScroller )

    {

    CMPXCollectionViewHgSwitchBuffer* buffer = new (ELeave) CMPXCollectionViewHgSwitchBuffer();

    CleanupStack::PushL(buffer);

    for(TInt i = 0; i < aScroller.ItemCount(); ++i)

        {

        CGulIcon* icon = aScroller.ItemL(i).Icon();

        if(icon)

            {

            buffer->AddToBufferL(*icon, i);

            }

        }

    return buffer;

    }

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

// Create a copy of the icons used from input

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

CMPXCollectionViewHgSwitchBuffer* CMPXCollectionViewHgSwitchBuffer::CreateBufferLC( CHgVgMediaWall& aMediaWall )

    {

    CMPXCollectionViewHgSwitchBuffer* buffer = new (ELeave) CMPXCollectionViewHgSwitchBuffer();

    CleanupStack::PushL(buffer);

    for(TInt i = 0; i < aMediaWall.ItemCount(); ++i)

        {

        CGulIcon* icon = aMediaWall.ItemL(i).Icon();

        if(icon)

            {

            buffer->AddToBufferL(*icon, i);

            }

        }

    return buffer;

    }

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

//

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

CMPXCollectionViewHgSwitchBuffer::~CMPXCollectionViewHgSwitchBuffer ()

    {

    iBuffer.ResetAndDestroy();

    }

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

// Provide mediawall with the data from buffer.

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

void CMPXCollectionViewHgSwitchBuffer::FillFromBufferL( CHgVgMediaWall& aMediaWall )

    {

    for(TInt i = 0; i < iBuffer.Count(); ++i)

        {

        CGulIcon* icon = iBuffer[i]->GetIcon();

        CleanupStack::PushL(icon);

        if(icon)

            aMediaWall.ItemL(iBuffer[i]->Index() + iOffset).SetIcon(icon);

        CleanupStack::Pop(icon);

        }

    }

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

//

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

void CMPXCollectionViewHgSwitchBuffer::FillFromBufferL( CHgScroller& aScroller, TSize aSize )

    {

    User::Leave(KErrNotSupported);

    }

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

// Offset to start filling.

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

void CMPXCollectionViewHgSwitchBuffer::SetIndexOffset( TInt aOffset )

    {

    iOffset = aOffset;

    }

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

// Add icon to the buffer.

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

void CMPXCollectionViewHgSwitchBuffer::AddToBufferL(CGulIcon& aIcon, TInt aIndex)

    {

    CGulIcon* newIcon = CGulIcon::NewL(aIcon.Bitmap(), aIcon.Mask());

    TBool isShared = aIcon.BitmapsOwnedExternally();

    aIcon.SetBitmapsOwnedExternally(ETrue);

    newIcon->SetBitmapsOwnedExternally(isShared);

    CleanupStack::PushL(newIcon);

    CBufferItem* item = new (ELeave) CBufferItem( newIcon, aIndex );

    iBuffer.AppendL(item);

    CleanupStack::Pop(newIcon);

    }

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

//

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

CMPXCollectionViewHgSwitchBuffer::CMPXCollectionViewHgSwitchBuffer ()

    {

    }