1 /*

     2 * Copyright (c) 2006 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 *

    16 */

    17 

    18 

    19 #ifndef _PREVIOUSLYINSTALLEDAPPSCACHE_H

    20 #define _PREVIOUSLYINSTALLEDAPPSCACHE_H

    21 #include <e32base.h>

    22 #include <e32cmn.h>

    23 

    24 // @released

    25 // @publishedPartner

    26 

    27 //class RFs;

    28 // It is assumed there is only ever ONE instance of this class

    29 class CPreviouslyInstalledAppsCache : public CBase

    30 	{

    31 public:

    32 	static CPreviouslyInstalledAppsCache *NewL();

    33 	~CPreviouslyInstalledAppsCache();

    34 

    35 	/**

    36 	 * Read the cache from disk 

    37 	 *

    38 	 * nb. Cache file absense is not counted as an error.

    39 	 */

    40 	void InitFromCacheFileL();

    41 

    42 	/**

    43 	 * Query the SIS registry and make sure ALL listed packages (not

    44 	 * augmentations) are in our cache. Does not flush to disk

    45 	 *

    46 	 * This needs ReadUserData

    47 	 */

    48 	void UpdateAllL();

    49 

    50 	/**

    51 	 * Query the SIS registry to check if the specified package is

    52 	 * registered add it to the cache.  Does not flush to disk

    53 	 *

    54 	 * This does not need any capabilities.

    55 	 */

    56 	void UpdateAddL(TUid aUid);

    57 

    58 	

    59 	/**

    60 	 * Query if the specified package has ever been cached as installed.

    61 	 *

    62 	 * @param UID of package to query

    63 	 * @retval TBool ETrue if previously cached as installed

    64 	 */

    65 	TBool HasBeenPreviouslyInstalled(TUid aPackageId) const;

    66 

    67 	/**

    68 	 * Flush cache to disk.

    69 	 */

    70 	void FlushToDiskL();

    71 private:

    72 	CPreviouslyInstalledAppsCache();

    73 	void ConstructL();

    74 	RArray<TUid> iPrevPkgUids;

    75 	RFs iFs;

    76 	};

    77 

    78 #endif