/*

* Copyright (c) 2002 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:  Factory for view plug-ins.

*

*/

//  INCLUDE FILES

#include "MailLog.h"

#include <e32std.h>

#include <ecom/ecom.h>

#include "CMailViewFactory.h"

#include <CMailMessageView.h>

// CONSTANTS

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

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

// MailViewFactory::CreateAdaptersL

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

//

EXPORT_C CArrayPtr<CMailMessageView>* MailViewFactory::CreateViewPluginsL()

    {

    LOG("MailViewFactory::CreateViewPluginsL()");

    // Create an array for adapter information

    RImplInfoPtrArray implArray;

    CleanupStack::PushL( TCleanupItem( CleanupImplArray, &implArray ) );

    // Get the list of adapters

    CMailMessageView::ListL( implArray );

    // Sort them in priority order

    implArray.Sort(

        TLinearOrder<CImplementationInformation>( MailViewFactory::Compare ) );

    // Create an array for adapters

	LOG1( "CreateViewPluginsL: implArray.Count():%d", implArray.Count() );

    CArrayPtr<CMailMessageView>* views =

        new(ELeave) CArrayPtrFlat<CMailMessageView>( Max( 1, implArray.Count() ) );

    CleanupStack::PushL( TCleanupItem( CleanupAdapterArray, views ) );

    // Create the adapters

    for( TInt i( 0 ); i < implArray.Count(); i++ )

        {

        CImplementationInformation& info = *implArray[i];

        TUid implementation( info.ImplementationUid() );

       	CMailMessageView* view = NULL;

       	//Create the plug-in view

		view = CMailMessageView::NewL( implementation );

        if( view )

            {

            CleanupStack::PushL( view );

            views->AppendL( view );

            LOG("CreateViewPluginsL: views->AppendL");

            CleanupStack::Pop( view );

            }

        }

    CleanupStack::Pop( views );

    CleanupStack::PopAndDestroy(); // implArray

    return views;

    }

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

// MailViewFactory::CleanupImplArray

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

//

void MailViewFactory::CleanupImplArray( TAny* aAny )

    {

    RImplInfoPtrArray* implArray =

        reinterpret_cast<RImplInfoPtrArray*>( aAny );

    implArray->ResetAndDestroy();

    implArray->Close();

    }

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

// MailViewFactory::CleanupAdapterArray

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

//

void MailViewFactory::CleanupAdapterArray( TAny* aAny )

    {

    CArrayPtr<CMailMessageView>* views =

        reinterpret_cast<CArrayPtr<CMailMessageView>*>( aAny );

    views->ResetAndDestroy();

    delete views;

    }

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

// MailViewFactory::Compare

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

//

TInt MailViewFactory::Compare( const CImplementationInformation& aImpl1,

                               const CImplementationInformation& aImpl2 )

    {

    // Compare the numerical values of opaque_data

    TLex8 lex( aImpl1.OpaqueData() );

    TInt impl1( KMaxTInt );

    if( lex.Val( impl1 ) != KErrNone )

        {

        impl1 = KMaxTInt;

        }

    lex.Assign( aImpl2.OpaqueData() );

    TInt impl2( KMaxTInt );

    if( lex.Val( impl2 ) != KErrNone )

        {

        impl2 = KMaxTInt;

        }

    return impl1 - impl2;

    }

//  End of File