/*

* Copyright (c) 2009-2009 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: CCCaFactoryExtensionNotifier

*

*/

#include "ccafactoryextensionnotifier.h"

#include <ecom.h>

#include <ccaextensionfactory.hrh>

#include <ccaextensionfactory.h>

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

// CleanupResetAndDestroy

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

void CleanupResetAndDestroy( TAny* aObj )

    {

    static_cast<RImplInfoPtrArray*>( aObj )->ResetAndDestroy();

    }

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

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

// CCCaFactoryExtensionNotifier::CCCaFactoryExtensionNotifier()

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

//

inline CCCaFactoryExtensionNotifier::CCCaFactoryExtensionNotifier()

: CActive( EPriorityStandard )

    {

    CActiveScheduler::Add(this);

    }

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

// CCCaFactoryExtensionNotifier::~CCCaFactoryExtensionNotifier()

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

//

CCCaFactoryExtensionNotifier::~CCCaFactoryExtensionNotifier()

    {

    Cancel();

    if( iEComSession )

        {

        iEComSession->Close();

        }

    delete iExtensionFactory;

    }

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

// CCCaFactoryExtensionNotifier* CCCaFactoryExtensionNotifier::NewL()

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

//

EXPORT_C CCCaFactoryExtensionNotifier* CCCaFactoryExtensionNotifier::NewL()

    {

    CCCaFactoryExtensionNotifier* self =

            new (ELeave) CCCaFactoryExtensionNotifier();

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(); // self;

    return self;

    }

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

// CCCaFactoryExtensionNotifier::ConstructL()

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

//

inline void CCCaFactoryExtensionNotifier::ConstructL()

    {

    iEComSession = &(REComSession::OpenL());

    SetActive();

    iEComSession->NotifyOnChange( iStatus );

    }

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

// CCCAExtensionFactory* CCCaFactoryExtensionNotifier::CreateExtensionFactoryL()

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

//

void CCCaFactoryExtensionNotifier::CreateExtensionFactoryL()

    {

    RImplInfoPtrArray implementations;

    CleanupStack::PushL( TCleanupItem( CleanupResetAndDestroy,

                                       &implementations) );

    // get the list of available plugins

    REComSession::ListImplementationsL(

                        TUid::Uid( CCCAEXTENSIONFACTORY_ECOM_INTERFACE ),

                        implementations );

    if( implementations.Count() > 0)

        {

        if(!iExtensionFactory)

            {

            CImplementationInformation* implInfo = implementations[0];

            iExtensionFactory =

                    CCCAExtensionFactory::NewL( implInfo->ImplementationUid() );

            // extension factory is created -> notify clients

            iCallBack.CallBack();

            }

        }

    else if( iExtensionFactory )

        {

        delete iExtensionFactory;

        iExtensionFactory = NULL;

        iCallBack.CallBack();  // extension factory is removed -> notify clients

        }

    CleanupStack::PopAndDestroy(); //implementations

    }

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

// CCCAExtensionFactory* CCCaFactoryExtensionNotifier::ExtensionFactory()

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

//

EXPORT_C CCCAExtensionFactory* CCCaFactoryExtensionNotifier::ExtensionFactory()

    {

    return iExtensionFactory;

    }

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

// CCCaFactoryExtensionNotifier::ObserveExtensionFactory( TCallBack& aCallBack )

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

//

EXPORT_C void CCCaFactoryExtensionNotifier::ObserveExtensionFactoryL( 

        TCallBack& aCallBack )

    {

    iCallBack = aCallBack;

    CreateExtensionFactoryL();

    }

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

// CCCaFactoryExtensionNotifier::DoCancel()

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

//

void CCCaFactoryExtensionNotifier::DoCancel()

    {

    iEComSession->CancelNotifyOnChange( iStatus );

    }

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

// CCCaFactoryExtensionNotifier::RunL()

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

//

void CCCaFactoryExtensionNotifier::RunL()

    {

    if( iStatus.Int() == KErrNone )

        {

        CreateExtensionFactoryL();

        }

    SetActive();

    iEComSession->NotifyOnChange( iStatus );

    }