// Copyright (c) 2006-2009 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:

//

#include "pbapfoldertree.h"

#include "pbapfolderbase.h"

#include "btaccesshostlog.h"

#include "pbapserver.h"

/*static*/ CVirtualFolders* CVirtualFolders::NewLC()

	{

	LOG_STATIC_FUNC

	CVirtualFolders* self = new (ELeave) CVirtualFolders;

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

void CVirtualFolders::ConstructL()

	{

	LOG_FUNC

	}

CVirtualFolders::CVirtualFolders()

: iSubtrees(_FOFF(CVirtualFolders,iQueLink))

	{

	LOG_FUNC

	}

CVirtualFolders::~CVirtualFolders()

	{

	LOG_FUNC

	delete iItem;

	TSglQueIter<CVirtualFolders> iter(iSubtrees);

	CVirtualFolders* subtree=NULL;

	while ((subtree = iter++)!=NULL)

		{

		iSubtrees.Remove(*subtree);

		delete subtree;

		}

	}

/**

Place a folder object into the tree, takes ownership of aFolder

*/

void CVirtualFolders::PlaceFolderL(CFolderBase* aFolder)

	{

	LOG_FUNC

	if(iItem)

		{

		__ASSERT_DEBUG(EFalse, Panic(EVirtualFolderAlreadyInPlace));

		User::Leave(KErrAlreadyExists);

		}

	iItem = aFolder;

	}

/**

Return a reference to the current folder object

*/

CFolderBase& CVirtualFolders::Folder() const

	{

	LOG_FUNC

	return *iItem;

	}

/**

Attach an entire subtree to the current tree

*/

void CVirtualFolders::AttachSubtree(CVirtualFolders* aSubtree)

	{

	LOG_FUNC

#ifdef _DEBUG // long hand __ASSERT_DEBUG for aSubtree already attached

	TSglQueIter<CVirtualFolders> iter(iSubtrees);

	CVirtualFolders* subtree = NULL;

	while ((subtree = iter++) != NULL)

		{

		if (subtree == aSubtree)

			{

			// aSubtree already exists

			Panic(EVirtualFolderSubtreeAlreadyExists);

			}

		}

#endif // _DEBUG

	iSubtrees.AddLast(*aSubtree);

	aSubtree->iParentFolder = this;

	}

CVirtualFolders* CVirtualFolders::ParentFolder() const

	{

	LOG_FUNC

	return iParentFolder;

	}

/**

Change to the nominated child folder object

@param aFolder the name of PBAP Folder to which to change

*/

CVirtualFolders* CVirtualFolders::NavigateFolder(const TDesC& aFolderName)

	{

	LOG_FUNC

	TSglQueIter<CVirtualFolders> iter(iSubtrees);

	CVirtualFolders* subtree = NULL;

	while ((subtree = iter++)!=NULL)

		{

		if (subtree->Folder().FolderName()==aFolderName)

			{

			return subtree;			

			}

		}

	return NULL;

	}