1 /*

     2 * Copyright (c) 2008 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:  Central Repository about DB state change information observer

    15  *

    16 */

    17 

    18 

    19 #ifndef C_CHDBSTATEHANDLER_H

    20 #define C_CHDBSTATEHANDLER_H

    21 

    22 #include <e32base.h>	// For CActive, link against: euser.lib

    23 

    24 class CRepository;

    25 class CCHFactorySettings;

    26 

    27 class CCHDbStateHandler :

    28 	public CActive

    29 	{

    30 public:

    31 	/*

    32 	 * Destructor.

    33 	 */

    34 	~CCHDbStateHandler();

    35 

    36 	/**

    37 	 * Two-phased constructor.

    38 	 */

    39 	static CCHDbStateHandler* NewL( CCHFactorySettings* aCallback );

    40 

    41 private:

    42 	/**

    43 	* Simply constructor.

    44 	*/

    45 	CCHDbStateHandler( CCHFactorySettings* aCallback );

    46 

    47 	/**

    48 	* 2nd phase constructor.

    49 	*/

    50 	void ConstructL();

    51 

    52 private:

    53 	/**

    54 	* From CActive.

    55 	* Invoke when asynchronous request will be completed.

    56 	*

    57 	* @since S60 S60 v3.1

    58 	*/

    59 	void RunL();

    60 

    61 	/**

    62 	* From CActive.

    63 	* Invoke for canceling asynchronous request.

    64 	*

    65 	* @since S60 S60 v3.1

    66 	*/	

    67 	void DoCancel();

    68 

    69 	/**

    70 	 * Override to handle leaves from RunL(). Default implementation causes

    71 	 * the active scheduler to panic.

    72 	 * 

    73 	 * @since S60 S60 v3.1

    74 	 */

    75 	TInt RunError(TInt aError);

    76 

    77 private:

    78 	/**

    79 	 */

    80 	void ConstructFactorySettingsPathL();

    81 	

    82 	/**

    83 	 * Removes parsed Factory Settings files

    84 	 */

    85 	void RemoveFactorySettingsParsedFilesL();

    86 	

    87 	/**

    88 	 * Handle repository db state.

    89 	 * If KSQLDBStateRestored state match then calls HandleRestoredDbStateL

    90 	 * remove repository db state KSQLDBStateRestored, add KSQLDBStateNormal.

    91 	 */

    92 	void HandleDbStateL();

    93 	

    94 	/**

    95 	 * Handle restored db state.

    96 	 * Calls RemoveFactorySettingsParsedFilesL and call UpdateL on iCallback

    97 	 * member.

    98 	 */

    99 	void HandleRestoredDbStateL();

   100 

   101 private:

   102 

   103 	/**

   104 	 * Pointer to repository.

   105 	 * Own.

   106 	 */

   107     CRepository* iRepository;

   108     

   109     /**

   110      * Interface for notifying need of update after DB restore.

   111      * Not own.

   112      */

   113     CCHFactorySettings* iCallback;

   114     

   115     /**

   116      * File server session.

   117      */

   118     RFs iFs;

   119 

   120     /**

   121      * Path of parsed Factory Settings

   122      */

   123     TFileName iFSPath;

   124 	};

   125 

   126 #endif // C_CHDBSTATEHANDLER_H