/*

* Copyright (c) 2006 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:  MFSMailIterator implementation.

*

*/

#include <e32std.h>

#include "baseplugincommonutils.h"

/**

 *

 */

HMailIterator::HMailIterator(

    CBasePlugin& aPlugin,

    CMsgStoreSortResultIterator* aIter,

    TFSMailMsgId aMailBox )

    : iIter( aIter ), iPlugin( aPlugin ), iMailBox( aMailBox )

    {        

    __LOG_CONSTRUCT( "baseplugin", "HMailIterator" )

    }

/**

 *

 */

/*virtual*/ HMailIterator::~HMailIterator()

    {

    delete iIter;

    __LOG_DESTRUCT

    }

/**

 *

 */

TBool HMailIterator::NextL(

     TFSMailMsgId aCurrentMessageId, 

     TUint aCount,

     RPointerArray<CFSMailMessage>& aMessages )

     {

     return DoNextL( &aCurrentMessageId, NULL, aCount, aMessages );

     };

/**

 *

 */

TBool HMailIterator::NextL(

   const TDesC& aStartWith,

   TUint aCount, 

   RPointerArray<CFSMailMessage>& aMessages )

   {

   return DoNextL( NULL, &aStartWith, aCount, aMessages );

   };

/**

 *

 */

TBool HMailIterator::PreviousL(

   TFSMailMsgId aCurrentMessageId, 

   TUint aCount,

   RPointerArray<CFSMailMessage>& aMessages )

   {

   return DoPreviousL( &aCurrentMessageId, NULL, aCount, aMessages );

   };

/**

 *

 */

TBool HMailIterator::PreviousL(

   const TDesC& aStartWith, 

   TUint aCount, 

   RPointerArray<CFSMailMessage>& aMessages )

   {

   return DoPreviousL( NULL, &aStartWith, aCount, aMessages );

   };

#pragma mark -

#pragma mark PRIVATE METHODS

/**

 *

 */

TBool HMailIterator::DoNextL(

    TFSMailMsgId* /*ref*/ aCurrentMessageId,

    const TDesC* /*ref*/ aStartWith,

    TUint aCount,

    RPointerArray<CFSMailMessage>& aMessages )

    {

    __LOG_ENTER( "DoNextL" )

    RPointerArray<CMsgStorePropertyContainer> msMsgs;

    CleanupResetAndDestroyClosePushL( msMsgs );

    TBool result = 

        NULL == aStartWith

        ? iIter->NextL( (*aCurrentMessageId).Id(), aCount, msMsgs )

        : iIter->NextL( *aStartWith, aCount, msMsgs );

    __LOG_WRITE8_FORMAT1_INFO( "MsgStore's NextL returned %d messages.", msMsgs.Count() )

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

        {

        CFSMailMessage* fsMsg = CFSMailMessage::NewLC(

            TFSMailMsgId( iPlugin.GetPluginId(), msMsgs[i]->Id() ) );

        fsMsg->SetMailBoxId( iMailBox );

        fsMsg->SetContentType( KNullDesC() );

        fsMsg->SetContentDescription( KNullDesC() );

        fsMsg->SetContentDisposition( KNullDesC() );

        iPlugin.TranslateMsgStorePropsL( iMailBox, *msMsgs[i], *fsMsg );

        aMessages.Append( fsMsg );

        CleanupStack::Pop( fsMsg );

        }

    CleanupStack::PopAndDestroy( &msMsgs );

    __LOG_EXIT

    return result;

    }

/**

 *

 */

TBool HMailIterator::DoPreviousL(

    TFSMailMsgId* /*ref*/ aCurrentMessageId,

    const TDesC* /*ref*/ aStartWith,

    TUint aCount,

    RPointerArray<CFSMailMessage>& aMessages )

    {

    __LOG_ENTER( "DoPreviousL" )

    RPointerArray<CMsgStorePropertyContainer> msMsgs;

    CleanupResetAndDestroyClosePushL( msMsgs );

    TBool result;

    if ( NULL != aCurrentMessageId )

        {

        TMsgStoreId id = ( 0 == aCurrentMessageId->Id()

            ? KMsgStoreSortResultBottom : aCurrentMessageId->Id() );

        result = iIter->PreviousL( id, aCount, msMsgs );

        }

    else

        {

        result = iIter->PreviousL( *aStartWith, aCount, msMsgs );

        }

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

        {

        CFSMailMessage* fsMsg = CFSMailMessage::NewLC(

            TFSMailMsgId( iPlugin.GetPluginId(), msMsgs[i]->Id() ) );

        fsMsg->SetMailBoxId( iMailBox );

        fsMsg->SetContentType( KNullDesC() );

        fsMsg->SetContentDescription( KNullDesC() );

        fsMsg->SetContentDisposition( KNullDesC() );

        iPlugin.TranslateMsgStorePropsL( iMailBox, *msMsgs[i], *fsMsg );

        aMessages.Append( fsMsg );

        CleanupStack::Pop( fsMsg );

        }

    CleanupStack::PopAndDestroy( &msMsgs );

    __LOG_EXIT

    return result;

    }