/*

* Copyright (c)2010 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: This file implements class CEmailFolder.

*

*/

#include "emailfolder.h"

#include "emailmailbox.h"

#include "emailapiutils.h"

#include "messageiterator.h"

#include "emailsorting.h"

#include "CFSMailFolder.h"

#include "CFSMailPlugin.h"

#include "emailclientapi.hrh"

#include "emailclientapiimpldefs.h"

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

// 

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

CEmailFolder* CEmailFolder::NewLC( 

    CPluginData& aPluginData,

    const TFolderId& aFolderId,  

    CFSMailFolder *aFolder )

    {

    CEmailFolder* self = new ( ELeave ) 

        CEmailFolder( aPluginData, aFolderId, aFolder );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// 

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

CEmailFolder* CEmailFolder::NewL( 

    CPluginData& aPluginData,

    const TFolderId& aFolderId,  

    CFSMailFolder *aFolder )

    {

    CEmailFolder* self = CEmailFolder::NewLC( aPluginData, aFolderId, aFolder);

    CleanupStack::Pop( self );

    return self;

    }

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

// 

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

CEmailFolder::CEmailFolder( 

    CPluginData& aPluginData, 

    const TFolderId& aFolderId,

    CFSMailFolder* aFolder) : 

    iPluginData( aPluginData ), 

    iFolderType( EOther ), 

    iFolderId( aFolderId ),

    iFolder( aFolder )

    {

    }

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

// 

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

void CEmailFolder::ConstructL()

    {

    iPlugin = iPluginData.ClaimInstance();

    User::LeaveIfNull( iFolder );

    const TFSFolderType fsType = iFolder->GetFolderType();

    switch ( fsType )

        {

        case EFSInbox:

            iFolderType = EInbox;

            break;

        case EFSOutbox:

            iFolderType = EOutbox;

            break;

        case EFSDraftsFolder:

            iFolderType = EDrafts;

            break;

        case EFSSentFolder:

            iFolderType = ESent;

            break;

        case EFSDeleted:

            iFolderType = EDeleted;

            break;

        case EFSOther:

        default:

            iFolderType = EOther;

            break;

        }

    iParentId = TFolderId( 

        iFolder->GetParentFolderId().Id(), 

        iFolderId.iMailboxId );

    }

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

// 

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

CEmailFolder::~CEmailFolder()

    {

    iPluginData.ReleaseInstance();

    delete iFolder;

    }

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

// 

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

TEmailTypeId CEmailFolder::InterfaceId() const

    {

    return KEmailIFUidFolder;

    }

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

// 

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

void CEmailFolder::Release()

    {

    delete this;

    }

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

// 

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

TFolderId CEmailFolder::FolderId() const

    {

    return iFolderId;

    }

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

// 

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

TFolderId CEmailFolder::ParentFolderId() const

    {

    return iParentId;

    }

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

// 

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

TFolderType CEmailFolder::FolderType() const

    {

    return iFolderType;

    }

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

// 

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

TPtrC CEmailFolder::Name() const

    {

    if ( !iFolder )

        return KNullDesC();

    return TPtrC ( iFolder->GetFolderName() );

    }

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

// 

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

TInt CEmailFolder::GetSubfoldersL( RFolderArray& aSubfolders ) const

    {

    User::LeaveIfNull( iFolder );

    RPointerArray<CFSMailFolder> folders;

    CleanupResetAndDestroy<RPointerArray<CFSMailFolder> >::PushL( folders );

    iFolder->GetSubFoldersL( folders );

    TInt res( folders.Count() );

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

        {

        const CFSMailFolder* fsfolder = folders[i];

        const TEntryId id = fsfolder->GetFolderId().Id();

        const TFolderId folderId( id, iFolderId.iMailboxId.iId );

        MEmailFolder* folder = CEmailFolder::NewL( iPluginData, folderId, folders[i] );

        aSubfolders.AppendL( folder );

        }

    CleanupStack::Pop( &folders );

    folders.Close();

    return res;

    }

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

//  CEmailFolder::MessagesL

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

MMessageIterator* CEmailFolder::MessagesL(

        const RSortCriteriaArray& aCriteria )

    {

    RArray<TFSMailSortCriteria> sortCriterias;

    CleanupClosePushL( sortCriterias );

    CEmailFolder::ToFsSortCriteriaL( aCriteria, sortCriterias );

    MFSMailIterator* fsIter = iFolder->ListMessagesL( EFSMsgDataEnvelope, sortCriterias );

    TUint count = iFolder->GetMessageCount();

    CleanupStack::PopAndDestroy( &sortCriterias );

    CMessageIterator* iter = CMessageIterator::NewL( 

        fsIter, iPluginData, count );

    return iter;

    }

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

// 

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

void CEmailFolder::DeleteMessagesL( const REmailMessageIdArray& aMessageIds )

    {

    RArray<TFSMailMsgId> fsArray;

    CleanupClosePushL( fsArray );

    const TInt count( aMessageIds.Count() );

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

        {

        TMessageId msgId = aMessageIds[i];

        if ( iFolderId != msgId.iFolderId )

            {

            // not all messages in the same folder, plugin API doesn't accept this.

            User::Leave( KErrArgument );

            }

        fsArray.AppendL( FsMsgId( iPluginData, msgId ) );

        }

    iPlugin->DeleteMessagesByUidL( 

            FsMsgId( iPluginData, iFolderId.iMailboxId ), 

            FsMsgId( iPluginData, iFolderId ), 

            fsArray );

    CleanupStack::PopAndDestroy( &fsArray );

    }

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

// Maps email api sort criteria to sort criteria type that protocol plugin

// accepts.

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

void CEmailFolder::ToFsSortCriteriaL( 

    const RSortCriteriaArray& aSortCriteria, 

    RArray<TFSMailSortCriteria>& aFsCriteria )

    {

    const TFSMailSortField fieldValues[] = {

        EFSMailDontCare,        

        EFSMailSortByDate,      

        EFSMailSortBySender,    

        EFSMailSortByRecipient, 

        EFSMailSortBySubject,   

        EFSMailSortByPriority,  

        EFSMailSortByFlagStatus,

        EFSMailSortByUnread,    

        EFSMailSortBySize,      

        EFSMailSortByAttachment };

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

        {

        const TEmailSortCriteria& criteria  = aSortCriteria[i];

        __ASSERT_ALWAYS( criteria.iField < sizeof( fieldValues ) / sizeof (fieldValues [i] ),

            Panic( EMailPanicSortMapIndexOutOfBounds ) );

        TFSMailSortCriteria fsCriteria;

        fsCriteria.iField = fieldValues[ criteria.iField ];

        if ( criteria.iAscending )

            {

            fsCriteria.iOrder = EFSMailAscending;

            }

        else

            {

            fsCriteria.iOrder = EFSMailDescending;

            }

        aFsCriteria.AppendL( fsCriteria );

        }

    }

// End of file