test: epoc32/include/mw/favouritesfile.h@2fe1408b6811

     1 /*

     2 * Copyright (c) 2004 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 the License "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:  Declaration of FavouritesFile

    15 *

    16 */

    19 #ifndef FAVOURITES_FILE_H

    20 #define FAVOURITES_FILE_H

    22 //  INCLUDES

    24 #include <FavouritesHandle.h>

    26 // FORWARD DECLARATION

    28 class RFavouritesDb;

    29 class CFavouritesFileImpl;

    31 // CLASS DECLARATION

    33 /**

    34 * RFavouritesFile is a class derived from RFavouritesHandle.

    35 * Each favourites item or folder can have an associated file

    36 * with arbitrary content.

    37 */

    38 class RFavouritesFile: public RFavouritesHandle

    39     {

    41     public:     // Constructor and destructor

    43         /**

    44         * Constructor.

    45         * @since 0.9

    46         */

    47         inline RFavouritesFile();

    49         /**

    50         * Close this object.

    51         * @since 0.9

    52         * @return void

    53         */

    54         IMPORT_C void Close();

    56         /**

    57         * Open existing file with shared read-access.

    58         * @since 0.9

    59         * @param aDb Database handle.

    60         * @param aUid Uid of item.

    61         * @return Error code.

    62         */

    63         IMPORT_C TInt Open( RFavouritesDb& aDb, TInt aUid );

    65         /**

    66         * Create new file / replace existing with exclusive write-access.

    67         * Existing content of the file, if any, is lost.

    68         * @since 0.9

    69         * @param aDb Database handle.

    70         * @param aUid Uid of item.

    71         * @return Error code.

    72         */

    73         IMPORT_C TInt Replace( RFavouritesDb& aDb, TInt aUid );

    75     public:     // new methods

    77         /**

    78         * Read from file.

    79         * @since 0.9

    80         * @param aDes Descriptor into which binary data is read. Any existing

    81         * contents are overwritten. On return, its length is set to the number

    82         * of bytes read.

    83         * @return Error code.

    84         */

    85         IMPORT_C TInt Read( TDes8& aDes ) const;

    87         /**

    88         * Writes to file.

    89         * @since 0.9

    90         * @param aDes Descriptor from which binary data is written.

    91         * @return Error code.

    92         */

    93         IMPORT_C TInt Write( const TDesC8& aDes );

    95 		/**

    96 		* Get the size of the file.

    97         * @since 0.9

    98 		* @param aSize Gives back the size of the file.

    99 		* @return Error code.

   100 		*/

   101 		IMPORT_C TInt Size(TInt &aSize) const;

   103     private:    // new methods

   105         /**

   106         * Implementation of Open functions.

   107         * @since 0.9

   108         * @param aDb Database handle.

   109         * @param aUid Uid of item.

   110         * @param aFunction Function.

   111         * @return Error code.

   112         */

   113         TInt DoOpen( RFavouritesDb& aDb, TInt aUid, TInt aFunction );

   115     private:    // data

   117         CFavouritesFileImpl* iImpl;  ///< Implementation. Owned.

   119     };

   121 #include <FavouritesFile.inl>

   123 #endif

   125 // End of File

author	William Roberts <williamr@symbian.org>
	Tue, 16 Mar 2010 16:12:26 +0000
branch	Symbian2
changeset 2	2fe1408b6811
parent 1	666f914201fb
child 4	837f303aceeb
permissions	-rw-r--r--