/*

* 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: 

*       Composite AppUi extension.

*

*/

// INCLUDE FILES

#include "CPbkMultiAppUiExtension.h"

#include "ForEachUtil.h"

const TInt KExtensionGranularity = 1;

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

CPbkMultiAppUiExtension::CPbkMultiAppUiExtension() :

    iAppUis(KExtensionGranularity),

    iStartupStatus(EStartupNotStarted)

    {

    }

CPbkMultiAppUiExtension::~CPbkMultiAppUiExtension()

    {

    // This really cannot leave since this is a template

    // method and actually Release method is called

    ForEachL(iAppUis,

             &Release);

    iAppUis.Reset();

    }

CPbkMultiAppUiExtension* CPbkMultiAppUiExtension::NewL()

    {

    CPbkMultiAppUiExtension* self = new (ELeave) CPbkMultiAppUiExtension;

    return self;

    }

void CPbkMultiAppUiExtension::AppendL(MPbkAppUiExtension* aAppUi)

    {

    iAppUis.AppendL(aAppUi);

    }

void CPbkMultiAppUiExtension::ApplyExtensionViewGraphChangesL

        (CDigViewGraph& aViewGraph)

    {

    ForEachL(iAppUis, 

             VoidMemberFunction(&MPbkAppUiExtension::ApplyExtensionViewGraphChangesL),

             aViewGraph);

    }

void CPbkMultiAppUiExtension::ExtensionStartupL

        (MPbkExtensionStartupObserver& aObserver,

        CPbkContactEngine& aEngine)

    {

    iStartupStatus = EStartupInProgress;

    iStartupObserver = &aObserver;

    ForEachL(iAppUis, 

             VoidMemberFunction(&MPbkAppUiExtension::ExtensionStartupL),

             *this,

             aEngine);

    // If there were no extensions we signal observer immeaditely

    if (iAppUis.Count() == 0)

        {

        iStartupStatus = EStartupCompleted;

        aObserver.HandleStartupComplete();

        }

    }

void CPbkMultiAppUiExtension::DoRelease()

    {

    delete this;

    }

void CPbkMultiAppUiExtension::HandleStartupComplete()

    {

    ++iStartedExtensions;

    if (iFailedExtensions + iStartedExtensions == iAppUis.Count())

        {

        iStartupStatus = EStartupCompleted;

        iStartupObserver->HandleStartupComplete();

        }

    }

void CPbkMultiAppUiExtension::HandleStartupFailedL(TInt aError)

    {

    ++iFailedExtensions;

    if (iFailedExtensions + iStartedExtensions == iAppUis.Count())

        {

        if (iStartedExtensions > 0)

            {

            iStartupStatus = EStartupCompleted;

            iStartupObserver->HandleStartupComplete();

            }

        else

            {

            iStartupStatus = EStartupFailed;

            iStartupObserver->HandleStartupFailedL(aError);

            }

        }

    }

MPbkAppUiExtension::TStartupStatus CPbkMultiAppUiExtension::StartupStatus() const

    {

    return iStartupStatus;

    }

// End of File