/*

* 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: 

*       Scanner that finds extensions.

*

*/

// INCLUDE FILES

#include "CPbkExtensionScanner.h"

#include <ecom/ecom.h>

#include "CPbkExtGlobals.h"

#include <ExtensionUID.h>

#include "CPbkExtensionLoader.h"

#include "PbkUID.h"

#include <PbkDebug.h>        // Phonebook debugging support

#include "PbkProfiling.h"

// Unnamed namespace for local definitions

namespace {

void CleanupResetAndDestroy(TAny* aObj)

    {

    if (aObj)

        {

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

        }

    }

} // namespace

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

CPbkExtensionScanner::CPbkExtensionScanner(CPbkExtensionArray& aExtensions) :

    iExtensions(aExtensions)

    {

	}	

CPbkExtensionScanner::~CPbkExtensionScanner()

    {

    }

CPbkExtensionScanner*

CPbkExtensionScanner::NewLC(CPbkExtensionArray& aExtensions)

    {

    CPbkExtensionScanner* self = 

        new (ELeave) CPbkExtensionScanner(aExtensions);

    CleanupStack::PushL( self );

    return self;

    }

void CPbkExtensionScanner::ScanL()

    {

    __PBK_PROFILE_START(PbkProfiling::EEComUiExtensionScanPrepare);

    RImplInfoPtrArray implementations;

    TEComResolverParams resolverParams;

    resolverParams.SetWildcardMatch(ETrue);

    _LIT8(KPbkExtension, KPbkUiExtensionDefaultDataString);

    resolverParams.SetDataType(KPbkExtension);

    __PBK_PROFILE_END(PbkProfiling::EEComUiExtensionScanPrepare);

    PBK_DEBUG_PRINT(PBK_DEBUG_STRING("Start ECom extension scan"));

    __PBK_PROFILE_START(PbkProfiling::EEComUiExtensionScan);

    // Use ROM only resolver

    REComSession::ListImplementationsL

        (TUid::Uid(KPbkUiExtensionInterfaceDefinitionUID), 

         resolverParams,         

         implementations);

    __PBK_PROFILE_END(PbkProfiling::EEComUiExtensionScan);

    PBK_DEBUG_PRINT(PBK_DEBUG_STRING("Done Ecom extension scan"));

    __PBK_PROFILE_START(PbkProfiling::EEComUiExtensionLoadPrepare);

    CleanupStack::PushL(TCleanupItem(CleanupResetAndDestroy, 

                                     &implementations));

    const TInt count = implementations.Count();

    iExtensions.SetReserveL(iExtensions.Count() + count);

    __PBK_PROFILE_END(PbkProfiling::EEComUiExtensionLoadPrepare);

    for (TInt i = count-1; i >= 0; --i)

        {

        __PBK_PROFILE_START(PbkProfiling::EEComUiExtensionLoadPrepare);

        CImplementationInformation* implInfo = implementations[i];

        CleanupStack::PushL(implInfo);

        implementations.Remove(i);

        __PBK_PROFILE_END(PbkProfiling::EEComUiExtensionLoadPrepare);

        CPbkExtensionLoader* extension = NULL;

        TRAPD(err,

              extension = CPbkExtensionLoader::NewL(implInfo->ImplementationUid()));

        if (err == KErrNone)

            {

            CleanupStack::PushL(extension);

            iExtensions.AppendL(extension);

            CleanupStack::Pop(extension);

            }

        CleanupStack::PopAndDestroy(implInfo);

        }

    CleanupStack::PopAndDestroy(); // implementations

    }

// End of File