// 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 "calattachmentmanagerimpl.h"

#include <calsession.h>

#include "calsessionimpl.h"

#include "calcommonimpl.h"

#include "calclient.h"

// CCalAttachmentManagerImpl // 

CCalAttachmentManagerImpl* CCalAttachmentManagerImpl::NewL(CCalSession& aSession, MCalProgressCallBack& aProgressCallBack)

	{

	CCalAttachmentManagerImpl* self = new (ELeave) CCalAttachmentManagerImpl(aSession);

	CleanupStack::PushL(self);

	self->ConstructL(aProgressCallBack);

	CleanupStack::Pop(self);

	return self;

	}

CCalAttachmentManagerImpl::CCalAttachmentManagerImpl(CCalSession& aSession) : 

	iCalSessionImpl(aSession.Impl())

	{

	iCalSessionImpl.IncrementReferenceCount();

	}

void CCalAttachmentManagerImpl::ConstructL(MCalProgressCallBack& aProgressCallBack)

	{

	iCalSessionImpl.AsyncTaskManager().StartBuildIndexL(aProgressCallBack);

	}

CCalAttachmentManagerImpl::~CCalAttachmentManagerImpl()

	{

	if(iCalSessionImpl.AsyncTaskManager().BuildingIndex())

		{

		iCalSessionImpl.AsyncTaskManager().Cancel();

		}

	iCalSessionImpl.DecrementReferenceCount();

	}

CCalAttachmentIteratorImpl* CCalAttachmentManagerImpl::FetchAttachmentsL(CCalAttachmentManager::TSortOrder aSortOrder) const

	{

	CCalAttachmentIteratorImpl* iteratorImpl = new (ELeave) CCalAttachmentIteratorImpl(iCalSessionImpl);

	CleanupStack::PushL(iteratorImpl);

	iCalSessionImpl.Server().FetchAttachmentsL(*iteratorImpl, aSortOrder, iCalSessionImpl.FileId());

	CleanupStack::Pop(iteratorImpl);

	return iteratorImpl;

	}

void CCalAttachmentManagerImpl::EntriesReferencingFileAttachmentL(RArray<TCalLocalUid>& aUids, const CAgnAttachment& aAttachment)

	{

	iCalSessionImpl.Server().EntriesReferencingFileAttachmentL(aUids, aAttachment, iCalSessionImpl.FileId());

	}

// CCalAttachmentIteratorImpl // 

CCalAttachmentIteratorImpl::CCalAttachmentIteratorImpl(CCalSessionImpl& aSessionImpl)

	: iCalSessionImpl(aSessionImpl)

	{

	}

CCalAttachmentIteratorImpl::~CCalAttachmentIteratorImpl()

	{

	iArray.Reset();

	}

void CCalAttachmentIteratorImpl::AppendL(TCalAttachmentUid aId)

	{

	iArray.AppendL(aId);

	iTotalAttachments = iArray.Count();

	}

TBool CCalAttachmentIteratorImpl::HasMore() const

	{

	return (iArray.Count() > 0);

	}

CCalAttachment* CCalAttachmentIteratorImpl::NextL()

	{

	CCalAttachment* calAttachment = NULL;

	if (HasMore())

		{

		CAgnAttachment* agnAttachment = iCalSessionImpl.Server().FetchAttachmentByIdL(iArray[0], iCalSessionImpl.FileId());

		if (agnAttachment)

			{

			CleanupStack::PushL(agnAttachment);

			agnAttachment->SetFlag(CAgnAttachment::EOwnedByCalAttachment);

			calAttachment = CCalAttachment::NewL(*agnAttachment, iCalSessionImpl);

			CleanupStack::Pop(agnAttachment);

			iArray.Remove(0);

			}

		else

			{

			// attachment may have been deleted since initial search

			User::Leave(KErrNotFound); 

			}

		}

	return calAttachment;

	}

TInt CCalAttachmentIteratorImpl::Count() const

	{

	return iTotalAttachments;

	}