1 /*

     2 * Copyright (c) 2007-2008 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:  Active object that checks if files have been deleted outside camera

    15 *

    16 */

    17 

    18 

    19 #ifndef CAMFILECHECKAO_H

    20 #define CAMFILECHECKAO_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 #include <bautils.h>

    25 #include "CamAppController.h"

    26 #include "CamBurstCaptureArray.h"

    27 

    28 

    29 /**

    30 * Abstract API for file check observer. 

    31 * Provides an asynchronous 'callback' method to inform derived classes

    32 * that the file checking operation has been completed.

    33 *

    34 *  @since 2.8

    35 */

    36 class MCamFileCheckObserver

    37     {

    38     public:

    39         

    40         /**

    41         * Callback to notify that file checking operation has completed.

    42         * @param aStatus Number of files that were missing

    43         * @param aError  Error code

    44         */

    45         virtual void FileCheckingCompleteL( TInt aStatus, TInt aError ) = 0;

    46     };

    47 

    48 /**

    49 *  Class to manage the asynchronous file deletion checking 

    50 *  @since 2.8

    51 */

    52 class CCamFileCheckAo : public CActive

    53     {

    54     public:  // Constructors and destructor

    55         ~CCamFileCheckAo();

    56         /**

    57         * Two-phased constructor.

    58         * @since 2.8

    59         * @param aObserver Informed when image saving has completed

    60         */

    61         static CCamFileCheckAo* NewL( CCamAppController& aController, MCamFileCheckObserver& aObserver );

    62 

    63 	void Start();

    64 	

    65 	

    66     private:

    67 

    68         /**

    69         * Constructor

    70         * @since 2.8

    71         * @param aObserver Informed when image saving has completed

    72         */

    73         CCamFileCheckAo( CCamAppController& aController, MCamFileCheckObserver& aObserver  );

    74 

    75         /**

    76         * 2nd phase construction

    77         * @since 2.8

    78         */

    79         void ConstructL();

    80 

    81         /**

    82         * Cancels the active object

    83         * @since 2.8

    84         */

    85         void DoCancel();

    86 

    87         /**

    88         * Perform the next scheduled task

    89         * @since 2.8

    90         */

    91         void RunL();

    92 

    93 

    94         /**

    95         * Perform error reporting and cleanup

    96         * @since 2.8

    97         */

    98 	TInt RunError( TInt aError );

    99 

   100 	/**

   101 	*

   102 	*/

   103 	void StartRequest();

   104 	

   105     private:

   106 

   107         CCamAppController& iController;

   108         MCamFileCheckObserver& iObserver; // informed when file checking has completed

   109         

   110         TInt iFileIndex;

   111         TInt iFileCount;

   112         CCamBurstCaptureArray* iArray;

   113         RFs iFs;

   114         TBool iEmptyRun;	

   115     };

   116 

   117 #endif      // CAMFILECHECKAO_H

   118             

   119 // End of File