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 *		Provides initialization and uninitialization for SecUi resource file

    16 *

    17 *

    18 */

    19 

    20 

    21 #ifndef     __SECUI_H

    22 #define     __SECUI_H

    23 

    24 class TSecUi

    25 	{

    26 	public:

    27 		/**

    28 		* Initializes SecUi resource file

    29 		*

    30 		* Should be called before using any other SecUi methods 

    31 		*/

    32 		IMPORT_C static void InitializeLibL();

    33 		/**

    34 		* Uninitializes SecUi resource file

    35 		*

    36 		* Should be called after finished using SecUi methods 

    37 		*/

    38 		IMPORT_C static void UnInitializeLib();

    39 		/**

    40 		* Returns the resource file name of SecurityUI dll.

    41 		*

    42 		* @return TFileName (resource file name) 

    43 		*/

    44 		static TFileName ResourceFileName();

    45         	/**

    46         * Check if SecUi can be uninitialized, i.e. if client count is zero (or less).

    47         *

    48         * @return ETrue if SecUi can be freed, EFalse otherwise.

    49         */

    50 		TBool CanBeFreed();

    51 

    52 		/**

    53         * Increse client count for this thread.

    54         */

    55 		void IncreaseClientCount();

    56 

    57 		/**

    58         * Decrease client count for this thread

    59         */

    60 		void DecreaseClientCount();

    61 

    62 	private:

    63 		/**

    64 		* C++ default constructor.

    65 		*/

    66 		TSecUi();

    67 		/**

    68 		* Destructor.

    69 		*/

    70 		~TSecUi();

    71 		/**

    72 		* Symbian OS constructor.

    73 		*/

    74 		void ConstructL();

    75 	private:

    76 		TInt iResourceFileOffset;

    77         TInt iClientCount;

    78 

    79 	};

    80 #endif

    81 

    82 // End of file

    83