1 /*

     2 * Copyright (c) 2009 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 * 

    15 * Description:

    16 *     The header file of drive event watcher

    17 */

    18 

    19 #ifndef CFMDRIVEEVENT_H

    20 #define CFMDRIVEEVENT_H

    21 

    22 

    23 // INCLUDES

    24 #include <e32base.h>

    25 #include <f32file.h>

    26 

    27 class MFmDriveEventObserver

    28 	{

    29 	public:

    30 		virtual void OnDriveAddedOrChangedL() = 0;

    31 	};

    32 // CLASS DECLARATION

    33 

    34 /**

    35 *  This class listens file system events

    36 *

    37 *  @lib FileManagerEngine.lib

    38 *  @since 2.0

    39 */

    40 NONSHARABLE_CLASS(CFmDriveEvent) : public CActive

    41     {

    42     public:  // Constructors and destructor

    43 

    44         /**

    45         * Two-phased constructor.

    46         */

    47         static CFmDriveEvent* NewL( RFs& aFs, MFmDriveEventObserver* aObserver );

    48 

    49         /**

    50         * Destructor.

    51         */

    52         virtual ~CFmDriveEvent();

    53 

    54     public:

    55 

    56         /**

    57         * Sets file system event

    58         * @since 2.0

    59         */

    60         void Setup();

    61 

    62     protected:  // Functions from base classes

    63 

    64         /**

    65         * From CActive Called when asynchronous request has completed

    66         * @since 2.0

    67         */

    68         void RunL();

    69 

    70         /**

    71         * From CActive Called when asynchronous request has failed

    72         * @since 2.0

    73         */

    74         TInt RunError( TInt aError );

    75 

    76         /**

    77         * From CActive Called when asynchronous request was cancelled

    78         * @since 2.0

    79         */

    80         void DoCancel();

    81 

    82     private:

    83         /**

    84         * By default Symbian 2nd phase constructor is private.

    85         */

    86         void ConstructL();

    87 

    88         /**

    89         * C++ default constructor.

    90         */

    91         CFmDriveEvent( RFs& aFs, MFmDriveEventObserver* aObserver );

    92 

    93     private:    // Data

    94         // Ref: Reference to opened File System session

    95         RFs& iFs;

    96 

    97         // Ref: This object is called when RunL occurs

    98         MFmDriveEventObserver *iObserver;

    99     };

   100 

   101 #endif // CFMDRIVEEVENT_H

   102 

   103 // End of File