/*

* 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:  Avkon traverse ECom plugin interface definition.  

*               Implementation for ECom instantiation functionality.

*

*/

// SYSTEm INCLUDE

#include <ecom/implementationinformation.h>

// USER INCLUDES

#include "AknTasPluginInterface.h"

// Interface's (abstract base class's) static factory method implementation.

// Asks ECOM plugin framework to instantiate appropriate concret plugin

// implementation.

inline CTasTraversePluginInterface*

CTasTraversePluginInterface::NewL(const TDesC8& aTraverseObjectName, CAknTasPluginInterface * aAknTasPluginInterface )

    {

    // This NewL uses default resolver, which just compares given

    // aTraverseObjectName and default_data string in the implementation

    // resource file.

    // Define options, how the default resolver will find appropriate

    // implementation.

    TEComResolverParams resolverParams;

    resolverParams.SetDataType(aTraverseObjectName);

    resolverParams.SetWildcardMatch(ETrue);     // Allow wildcard matching

    // Find implementation for our interface.

    // - KTasTraversePluginInterfaceUid is the UID of our custom ECOM

    //   interface. It is defined in TasTraversePluginInterface.h

    // - This call will leave, if the plugin architecture cannot find

    //   implementation.

    // - The returned pointer points to one of our interface implementation

    //   instances.

    TAny* ptr = REComSession::CreateImplementationL(

        KTasTraversePluginInterfaceUid,

        _FOFF(CTasTraversePluginInterface,iImplementation),

                // _FOFF specifies offset of iImplementation so that

                // ECOM framework can update its value.

        resolverParams);

    // The type of TAny* ptr should be CTasTraversePluginInterface.

    CTasTraversePluginInterface* traverseInterface = REINTERPRET_CAST(CTasTraversePluginInterface*, ptr);

    // Set the CAknTasPluginInterface pointer

    traverseInterface->iAknTasPluginInterface = aAknTasPluginInterface;

    traverseInterface->iAknTasTraverseObjectName.Set( aTraverseObjectName);

    return traverseInterface;

    }

inline CTasTraversePluginInterface::~CTasTraversePluginInterface()

    {

    REComSession::DestroyedImplementation( iImplementation );

    }

// End of File