/*

* 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:  common email folder object

*

*/

//<cmail>

#include "emailtrace.h"

#include "cfsmailfolder.h"

#include "cfsmailplugin.h"

//</cmail>

#include "cfsmailiterator.h"

#include "cfsmailrequestobserver.h"

// ================= MEMBER FUNCTIONS ==========================================

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

// CFSMailFolder::NewLC

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

EXPORT_C CFSMailFolder* CFSMailFolder::NewLC( TFSMailMsgId aFolderId )

{

    FUNC_LOG;

  CFSMailFolder* api = new (ELeave) CFSMailFolder();

  CleanupStack:: PushL(api);

  api->ConstructL( aFolderId );

  return api;

} 

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

// CFSMailFolder::NewL

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

EXPORT_C CFSMailFolder* CFSMailFolder::NewL( TFSMailMsgId aFolderId )

{

    FUNC_LOG;

  CFSMailFolder* api =  CFSMailFolder::NewLC( aFolderId );

  CleanupStack:: Pop(api);

  return api;

}

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

// CFSMailFolder::CFSMailFolder

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

CFSMailFolder::CFSMailFolder()

{

    FUNC_LOG;

}

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

// CFSMailFolder::ConstructL

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

void CFSMailFolder::ConstructL( TFSMailMsgId aFolderId )

{

    FUNC_LOG;

	// get requesthandler pointer

	iRequestHandler = static_cast<CFSMailRequestHandler*>(Dll::Tls());

	// set folder id

	iFolderId = aFolderId;

}

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

// CFSMailFolder::~CFSMailFolder

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

EXPORT_C CFSMailFolder::~CFSMailFolder()

{

    FUNC_LOG;

}

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

// CFSMailFolder::ListMessagesL

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

EXPORT_C MFSMailIterator* CFSMailFolder::ListMessagesL( const TFSMailDetails aDetails,

        						const RArray<TFSMailSortCriteria>& aSorting)

{

    FUNC_LOG;

	CFSMailIterator* iterator = NULL;

	if(CFSMailPlugin* plugin = iRequestHandler->GetPluginByUid(GetFolderId()))

		{

		MFSMailIterator* pluginIterator =

		plugin->ListMessagesL(GetMailBoxId(),GetFolderId(),aDetails,aSorting);

		if(pluginIterator)

			{

			iterator = CFSMailIterator::NewL(*pluginIterator,iRequestHandler );

			}

		}

	return iterator;

}

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

// CFSMailFolder::FetchMessagesL

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

EXPORT_C TInt CFSMailFolder::FetchMessagesL( 	const RArray<TFSMailMsgId>& aMessageIds,

     							 				TFSMailDetails aDetails,

     							 				MFSMailRequestObserver& aObserver )

	{

    FUNC_LOG;

	// init asynchronous request

	CFSMailPlugin* plugin = iRequestHandler->GetPluginByUid(GetFolderId());

    TFSPendingRequest request = 

    	iRequestHandler->InitAsyncRequestL(	GetFolderId().PluginId(), aObserver );

    TInt err = KErrNone;

    if (plugin)

        {

        MFSMailRequestObserver* observer = request.iObserver;

        TRAP(err,plugin->FetchMessagesL(	GetMailBoxId(),

                                            GetFolderId(),

                                            aMessageIds,

                                            aDetails,

                                            *observer,

                                            request.iRequestId));

        }

    else 

        {

        err = KErrNotFound;        

        }

    if(err != KErrNone)

        {

        iRequestHandler->CompleteRequest(request.iRequestId);

        User::Leave(err);

        }

    return request.iRequestId;

	}

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

// CFSMailFolder::GetSubFoldersL

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

EXPORT_C void CFSMailFolder::GetSubFoldersL(RPointerArray<CFSMailFolder>& aSubFolders)

{

    FUNC_LOG;

	if(CFSMailPlugin* plugin = iRequestHandler->GetPluginByUid(GetFolderId()))

		{

		TRAPD(err,plugin->ListFoldersL( GetMailBoxId(), GetFolderId(), aSubFolders));

		if(err != KErrNone)

			{

			aSubFolders.ResetAndDestroy();

			}

		}

}

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

// CFSMailFolder::RemoveMessageL

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

EXPORT_C void CFSMailFolder::RemoveMessageL(TFSMailMsgId aMessage)

{

    FUNC_LOG;

	if(CFSMailPlugin* plugin = iRequestHandler->GetPluginByUid(GetFolderId()))

		{

		RArray<TFSMailMsgId> messages;

		messages.Reset();

		messages.Append(aMessage);

		plugin->DeleteMessagesByUidL(GetMailBoxId(),GetFolderId(),messages);

		messages.Close();

		}

}

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

// CFSMailFolder::SupportsCopyFromL

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

EXPORT_C TBool CFSMailFolder::SupportsCopyFromL( TFSFolderType aFolderType )

	{

    FUNC_LOG;

	if(CFSMailPlugin* plugin = iRequestHandler->GetPluginByUid(GetFolderId()))

		{

		TFSMailBoxStatus onlineStatus = plugin->GetMailBoxStatus(GetMailBoxId());

		if(onlineStatus == EFSMailBoxOnline)

			{

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

				{

				if(iCopyOnlineBlocked[i] == aFolderType)

					{

					return EFalse;

					}			

				}

			}

		else if(onlineStatus == EFSMailBoxOffline)

			{

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

				{

				if(iCopyOfflineBlocked[i] == aFolderType)

					{

					return EFalse;

					}

				}

			}

		}

		return ETrue;

	}

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

// CFSMailFolder::SupportsMoveFromL

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

EXPORT_C TBool CFSMailFolder::SupportsMoveFromL( TFSFolderType aFolderType )

	{

    FUNC_LOG;

	if(CFSMailPlugin* plugin = iRequestHandler->GetPluginByUid(GetFolderId()))

		{

		TFSMailBoxStatus onlineStatus = plugin->GetMailBoxStatus(GetMailBoxId());

		if(onlineStatus == EFSMailBoxOnline)

			{

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

				{

				if(iMoveOnlineBlocked[i] == aFolderType)

					{

					return EFalse;

					}			

				}

			}

		else if(onlineStatus == EFSMailBoxOffline)

			{

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

				{

				if(iMoveOfflineBlocked[i] == aFolderType)

					{

					return EFalse;

					}

				}

			}

		}

		return ETrue;

	}

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

// CFSMailFolder::RemoveDownLoadedAttachmentsL

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

EXPORT_C void CFSMailFolder::RemoveDownLoadedAttachmentsL()

    {

    FUNC_LOG;

    CFSMailPlugin* plugin = iRequestHandler->GetPluginByUid(GetFolderId());

    if(plugin != NULL)

        {

        MFSMailIterator* iterator = NULL;

        // select message details to be listed

        TFSMailDetails details(EFSMsgDataEnvelope);

        // sorting is free, give empty array

        RArray<TFSMailSortCriteria> sorting;

        sorting.Reset();

        iterator = plugin->ListMessagesL( GetMailBoxId(),

                                          GetFolderId(),

                                          details,

                                          sorting );

        if(iterator)

            {

            TFSMailMsgId nullId;

            RPointerArray<CFSMailMessage> messages;

            messages.Reset();

            iterator->NextL(nullId,GetMessageCount(),messages);

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

                {

                if(messages[i]->IsFlagSet(EFSMsgFlag_Attachments))

                    {

                messages[i]->RemoveDownLoadedAttachmentsL();

                }

                }

            messages.ResetAndDestroy();

            delete iterator;

            }

        }

    }

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

// CFSMailFolder::ReleaseExtension

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

EXPORT_C void CFSMailFolder::ReleaseExtension( CEmailExtension* aExtension )

    {

    FUNC_LOG;

    // no specialized behaviour, call base class

    CExtendableEmail::ReleaseExtension( aExtension );

    }

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

// CFSMailFolder::ExtensionL

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

EXPORT_C CEmailExtension* CFSMailFolder::ExtensionL( const TUid& aInterfaceUid )

    {

    FUNC_LOG;

    return CExtendableEmail::ExtensionL( aInterfaceUid );

    }