/*

* Copyright (c) 2007-2008 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:  FreestyleEmailUi folder list model implementation

*

*/

// SYSTEM INCLUDES

//<cmail>

#include "emailtrace.h"

//</cmail>

// INTERNAL INCLUDES

#include "FreestyleEmailUiFolderListModel.h"

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

// Folder list item constructor.

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

CFSEmailUiFolderListItem::CFSEmailUiFolderListItem()

	: iListId( KFsTreeNoneID ), 

	  iFolderId( TFSMailMsgId() ),

	  iMailboxId( TFSMailMsgId() ),

	  iSortField( EFSMailDontCare )

	{

    FUNC_LOG;

	}

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

// Folder list item destructor.

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

CFSEmailUiFolderListItem::~CFSEmailUiFolderListItem()

	{

    FUNC_LOG;

	}

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

// NewL

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

//

CFSEmailUiFolderListItem* CFSEmailUiFolderListItem::NewL()

    {

    FUNC_LOG;

    CFSEmailUiFolderListItem* self = CFSEmailUiFolderListItem::NewLC();

    CleanupStack::Pop(self);

    return self;

    }

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

// NewLC

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

//

CFSEmailUiFolderListItem* CFSEmailUiFolderListItem::NewLC()

	{

    FUNC_LOG;

    CFSEmailUiFolderListItem* self = new (ELeave) CFSEmailUiFolderListItem();

    CleanupStack::PushL(self);

    return self;

	}

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

// Constructor

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

CFSEmailUiFolderListModel::CFSEmailUiFolderListModel()

	{

    FUNC_LOG;

	}

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

// Destructor.

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

CFSEmailUiFolderListModel::~CFSEmailUiFolderListModel()

	{

    FUNC_LOG;

	RemoveAll();

	iItemArray.Close();

	}

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

// Add an item to the end of the list.

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

void CFSEmailUiFolderListModel::AppendL( TFsTreeItemId aListId, CFSMailFolder* aFolder )

	{

    FUNC_LOG;

	CFSEmailUiFolderListItem* item = CFSEmailUiFolderListItem::NewLC();

	item->iListId = aListId;

	item->iFolderId = aFolder->GetFolderId();

	iItemArray.AppendL( item );

    CleanupStack::Pop( item );

	}

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

// Add an item to the end of the list.

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

void CFSEmailUiFolderListModel::AppendL( TFsTreeItemId aListId, CFSMailBox* aMailbox )

	{

    FUNC_LOG;

	CFSEmailUiFolderListItem* item = CFSEmailUiFolderListItem::NewLC();

	item->iListId = aListId;

	item->iMailboxId = aMailbox->GetId();

	iItemArray.AppendL( item );

    CleanupStack::Pop( item );

	}

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

// Add an item to the end of the list.

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

void CFSEmailUiFolderListModel::AppendL( TFsTreeItemId aListId, TFSMailSortField aSortField )

	{

    FUNC_LOG;

	CFSEmailUiFolderListItem* item = CFSEmailUiFolderListItem::NewLC();

	item->iListId = aListId;

	item->iSortField = aSortField;

	iItemArray.AppendL( item );

    CleanupStack::Pop( item );

	}

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

// Remove item by list item id.

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

void CFSEmailUiFolderListModel::Remove( TFsTreeItemId aListId )

	{

    FUNC_LOG;

	TInt index = Index( aListId );

	if( index != KErrNotFound )

		{

		delete iItemArray[index];

		iItemArray.Remove( index );

		}

	}

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

// Remove all items.

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

void CFSEmailUiFolderListModel::RemoveAll()

	{

    FUNC_LOG;

	iItemArray.ResetAndDestroy();

	iSeparatorCount = 0;

	}

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

// get an item by list item id.

// 

// @return NULL if not found.

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

CFSEmailUiFolderListItem* CFSEmailUiFolderListModel::ItemByListId( TFsTreeItemId aListId ) const

	{

    FUNC_LOG;

	TInt index = Index( aListId );

	if( index != KErrNotFound )

		{

		return iItemArray[ index ];

		}

	else

		{

		return NULL;

		}

	}

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

// get an item by list index.

// 

// @return NULL if not found.

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

CFSEmailUiFolderListItem* CFSEmailUiFolderListModel::ItemByIndex( TInt aModelIndex ) const

	{

    FUNC_LOG;

	return iItemArray[ aModelIndex ];

	}

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

// Get number of items in list.

// 

// @return Number of items.

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

TInt CFSEmailUiFolderListModel::Count() const

	{

    FUNC_LOG;

	return iItemArray.Count();

	}

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

// Get number of separators in list.

// 

// @return Number of separators in list.

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

TInt CFSEmailUiFolderListModel::SeparatorCount() const

    {

    FUNC_LOG;

    return iSeparatorCount;

    }

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

// Increase separator count in list. 

// 

// @param aIncreaseBy How much separator count is increased, defaut is 1.

//                    If parameter is negative, then the count is decreased.

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

void CFSEmailUiFolderListModel::IncreaseSeparatorCount( TInt aIncreaseBy )

    {

    FUNC_LOG;

    iSeparatorCount += aIncreaseBy;

    }

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

// Get the array index of the spcified item.

// 

// @return Array index of the item.

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

TInt CFSEmailUiFolderListModel::Index( TFsTreeItemId aListId ) const

	{

    FUNC_LOG;

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

		{

		if( iItemArray[i]->iListId == aListId )

			{

			return i;

			}

		}

	return KErrNotFound;

	}