/*

* Copyright (c) 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: This file implements class CEmailApiUtils.

*

*/

#include    <e32std.h>       

#include "emailapidefs.h"

#include "emailclientapiimpldefs.h"

#include "emailapiutils.h"

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

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

// 

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

CPluginData::CPluginData( TUid aUid ) :

    iData( aUid ),

    iPluginLoadError( KErrNotReady )

    { 

    }

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

// 

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

CPluginData::~CPluginData()

    {

    // panic if a user of plugin has not called ReleaseInstance after ClaimInstance

    __ASSERT_ALWAYS( iOwned || !iRefCount, Panic( EMailPanicPluginNotReleased ) );

    }

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

// 

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

CFSMailPlugin* CPluginData::ClaimInstance()

    {

    if ( !iData.iPlugin )

        {

        TRAP( iPluginLoadError, iData.iPlugin = CFSMailPlugin::NewL( iData.iUid ) );

        }

    if ( !iPluginLoadError )

        {

        iRefCount++;

        }

    return iData.iPlugin;

    }

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

// 

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

CFSMailPlugin* CPluginData::ClaimInstanceL()

    {

    ClaimInstance();

    User::LeaveIfError( iPluginLoadError );

    return iData.iPlugin;

    }

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

// 

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

void CPluginData::ReleaseInstance()

    {

    if ( iData.iPlugin )

        {

        iRefCount--;

        if ( !iRefCount )

            {

            delete iData.iPlugin;

            iData.iPlugin = NULL;

            }

        }

    }

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

// 

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

void CPluginData::ReleasePushL()

    {

    TCleanupItem item( &CPluginData::CleanupOperation, this );

    CleanupStack::PushL( item );

    }

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

// 

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

void CPluginData::CleanupOperation( TAny* aAny )

    {

    CPluginData* pdata = reinterpret_cast<CPluginData*>( aAny );

    pdata->ReleaseInstance();

    }

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

// 

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

TUid CPluginData::Uid() const

    {

    return iData.iUid;

    }

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

// 

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

TInt CPluginData::LoadResult() const

    {

    return iPluginLoadError;

    }

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

// 

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

TFSMailMsgId FsMsgId( const CPluginData& aPluginData, const EmailInterface::TBaseId& aId )

    {

    TFSMailMsgId id( aPluginData.Uid(), aId.iId );

    return id;

    }

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

// 

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

void CleanupReleasePush::PushL( EmailInterface::MEmailInterface& aItem )

    {

    TCleanupItem item( &CleanupReleasePush::Release, &aItem );

    CleanupStack::PushL( item );

    }

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

// 

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

void CleanupReleasePush::Release( TAny *aPtr )

    {

    reinterpret_cast<EmailInterface::MEmailInterface*>( aPtr )->Release();

    }

// End of file.