/*

* 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: 

*       PbkExt.dll global variables. A singleton class.

*

*/

#ifndef __CPbkExtGlobals_H__

#define __CPbkExtGlobals_H__

// INCLUDES

#include <e32base.h>

#include "CPbkExtensionScanner.h" // CPbkExtensionArray typedef

// FORWARD DECLARATIONS

class MPbkExtensionFactory;

class CPbkMultiExtensionFactory;

class MPbkUiExtensionBase;

/**

 * Singleton class.

 */

class CPbkExtGlobals : public CBase

    {

    public:

        /**

         * Returns the instance of this class.

         */

        IMPORT_C static CPbkExtGlobals* InstanceL();

        /**

         * Returns the extensionfactory. If no instance exists yet it is 

		 * created.

         */

        IMPORT_C MPbkExtensionFactory& FactoryL();

        /**

         * Pushes this object to cleanup stack for releasing.

         */

        void PushL();

    private: // Interface for Release(CPbkExtGlobals*)

		friend void Release(CPbkExtGlobals*);

        virtual void DoRelease();

		static void CleanupRelease(TAny* aObj);

    private: // Implementation

        CPbkExtGlobals();

        ~CPbkExtGlobals();

        static CPbkExtGlobals* NewLC();

        void IncRef();

        TInt DecRef();

        void ScanExtensionsL();

    private: // Data

        /// Reference count

        TInt iRefCount;

        /// Array of extensions

        CPbkExtensionArray iExtensions;

        /// Own: Extension factory

		CPbkMultiExtensionFactory* iMultiFactory;

    };

// INLINE FUNCTIONS

inline void CPbkExtGlobals::PushL()

	{

    CleanupStack::PushL(TCleanupItem(CleanupRelease,this)); 

	}

inline void Release(CPbkExtGlobals* aObj)

	{

	if (aObj)

		{

		aObj->DoRelease();

		}

	}

inline void CPbkExtGlobals::CleanupRelease(TAny* aObj)

    { 

    Release(static_cast<CPbkExtGlobals*>(aObj)); 

    }

#endif // __CPbkExtGlobals_H__

// End of File