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 #include <f32file.h>

    24 

    25 

    26 class CRepository;

    27 class CCHFactorySettings;

    28 

    29 class CCHDbStateHandler :

    30 	public CActive

    31 	{

    32 public:

    33 	/*

    34 	 * Destructor.

    35 	 */

    36 	~CCHDbStateHandler();

    37 

    38 	/**

    39 	 * Two-phased constructor.

    40 	 */

    41 	static CCHDbStateHandler* NewL( CCHFactorySettings* aCallback );

    42 

    43 private:

    44 	/**

    45 	* Simply constructor.

    46 	*/

    47 	CCHDbStateHandler( CCHFactorySettings* aCallback );

    48 

    49 	/**

    50 	* 2nd phase constructor.

    51 	*/

    52 	void ConstructL();

    53 

    54 private:

    55 	/**

    56 	* From CActive.

    57 	* Invoke when asynchronous request will be completed.

    58 	*

    59 	* @since S60 S60 v3.1

    60 	*/

    61 	void RunL();

    62 

    63 	/**

    64 	* From CActive.

    65 	* Invoke for canceling asynchronous request.

    66 	*

    67 	* @since S60 S60 v3.1

    68 	*/

    69 	void DoCancel();

    70 

    71 	/**

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

    73 	 * the active scheduler to panic.

    74 	 *

    75 	 * @since S60 S60 v3.1

    76 	 */

    77 	TInt RunError(TInt aError);

    78 

    79 private:

    80 	/**

    81 	 */

    82 	void ConstructFactorySettingsPathL();

    83 

    84 	/**

    85 	 * Removes parsed Factory Settings files

    86 	 */

    87 	void RemoveFactorySettingsParsedFilesL();

    88 

    89 	/**

    90 	 * Handle repository db state.

    91 	 * If KSQLDBStateRestored state match then calls HandleRestoredDbStateL

    92 	 * remove repository db state KSQLDBStateRestored, add KSQLDBStateNormal.

    93 	 */

    94 	void HandleDbStateL();

    95 

    96 	/**

    97 	 * Handle restored db state.

    98 	 * Calls RemoveFactorySettingsParsedFilesL and call UpdateL on iCallback

    99 	 * member.

   100 	 */

   101 	void HandleRestoredDbStateL();

   102 

   103 private:

   104 

   105 	/**

   106 	 * Pointer to repository.

   107 	 * Own.

   108 	 */

   109     CRepository* iRepository;

   110 

   111     /**

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

   113      * Not own.

   114      */

   115     CCHFactorySettings* iCallback;

   116 

   117     /**

   118      * File server session.

   119      */

   120     RFs iFs;

   121 

   122     /**

   123      * Path of parsed Factory Settings

   124      */

   125     TFileName iFSPath;

   126 	};

   127 

   128 #endif // C_CHDBSTATEHANDLER_H