1 /*

     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *       PbkExt.dll global variables. A singleton class.

    16 *

    17 */

    18 

    19 

    20 #ifndef __CPbkExtGlobals_H__

    21 #define __CPbkExtGlobals_H__

    22 

    23 // INCLUDES

    24 #include <e32base.h>

    25 #include "CPbkExtensionScanner.h" // CPbkExtensionArray typedef

    26 

    27 // FORWARD DECLARATIONS

    28 class MPbkExtensionFactory;

    29 class CPbkMultiExtensionFactory;

    30 class MPbkUiExtensionBase;

    31 

    32 /**

    33  * Singleton class.

    34  */

    35 class CPbkExtGlobals : public CBase

    36     {

    37     public:

    38         /**

    39          * Returns the instance of this class.

    40          */

    41         IMPORT_C static CPbkExtGlobals* InstanceL();

    42 

    43         /**

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

    45 		 * created.

    46          */

    47         IMPORT_C MPbkExtensionFactory& FactoryL();

    48 

    49         /**

    50          * Pushes this object to cleanup stack for releasing.

    51          */

    52         void PushL();

    53 

    54     private: // Interface for Release(CPbkExtGlobals*)

    55 		friend void Release(CPbkExtGlobals*);

    56         virtual void DoRelease();

    57 		static void CleanupRelease(TAny* aObj);

    58 

    59     private: // Implementation

    60         CPbkExtGlobals();

    61         ~CPbkExtGlobals();

    62         static CPbkExtGlobals* NewLC();

    63         void IncRef();

    64         TInt DecRef();

    65         void ScanExtensionsL();

    66     private: // Data

    67         /// Reference count

    68         TInt iRefCount;

    69         /// Array of extensions

    70         CPbkExtensionArray iExtensions;

    71         /// Own: Extension factory

    72 		CPbkMultiExtensionFactory* iMultiFactory;

    73     };

    74 

    75 // INLINE FUNCTIONS

    76 

    77 inline void CPbkExtGlobals::PushL()

    78 	{

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

    80 	}

    81 

    82 inline void Release(CPbkExtGlobals* aObj)

    83 	{

    84 	if (aObj)

    85 		{

    86 		aObj->DoRelease();

    87 		}

    88 	}

    89 

    90 inline void CPbkExtGlobals::CleanupRelease(TAny* aObj)

    91     { 

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

    93     }

    94 

    95 #endif // __CPbkExtGlobals_H__

    96 

    97 // End of File