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:  This class implements MMcsGetListCreatorInterface. It builds tree 

    15 *   output list for getlist operation 

    16 *

    17 *

    18 */

    19 

    20 #ifndef CMCSMMCOBSERVER_H

    21 #define CMCSMMCOBSERVER_H

    22 

    23 #include <e32base.h>	// For CActive, link against: euser.lib

    24 #include <f32file.h>

    25 

    26 /**

    27  * Interface for handling Mmc inserrtion / removal.

    28  *

    29  * @since S60 v5.0

    30  */

    31 class MMcsMmcObserver 

    32 	{

    33 public:

    34 	virtual void HandleMmcEventL(TInt aEvent) = 0;

    35     enum TInstOp

    36     	{

    37     	EMmcInsert = 0x00000001,

    38     	EMmcRemove = 0x00000002,

    39 		};

    40 	};

    41 

    42 

    43 /**

    44  *  Mmc Observer Interface.

    45  *  @lib mcsmenu.lib

    46  *  @since S60 v5.0

    47  */

    48 NONSHARABLE_CLASS(CMcsMmcObserver) : public CActive

    49 	{

    50 public:

    51 	// Cancel and destroy

    52 	~CMcsMmcObserver();

    53 

    54 	// Two-phased constructor.

    55 	static CMcsMmcObserver* NewL(MMcsMmcObserver& aCallback);

    56 

    57 	// Two-phased constructor.

    58 	static CMcsMmcObserver* NewLC(MMcsMmcObserver& aCallback);

    59 

    60 private:

    61 	// C++ constructor

    62 	CMcsMmcObserver(MMcsMmcObserver& aCallback);

    63 

    64 	// Second-phase constructor

    65 	void ConstructL();

    66 

    67 private:

    68 	// From CActive

    69 	// Handle completion

    70 	void RunL();

    71 

    72 	// How to cancel me

    73 	void DoCancel();

    74 

    75 

    76 	TInt RunError(TInt aError);

    77 	

    78 	// Count acvtive drives

    79 	TInt DriveCount(TDriveList& aDriveList);

    80 

    81 private:

    82 

    83 

    84 	TDriveList iDriveList;

    85 	

    86 	TInt iDriveCount;

    87 	RFs iFs;

    88 	MMcsMmcObserver& iCallback;

    89 	

    90 	};

    91 

    92 #endif // CMCSMMCOBSERVER_H