1 /*

     2 * Copyright (c) 2008-2009 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 * Description:    MMC Notifier

    15 *

    16 */

    17 

    18 #ifndef GLXMMCNOTIFIER_H_

    19 #define GLXMMCNOTIFIER_H_

    20 

    21 #include <f32file.h>  

    22 

    23 //observer class to notify events

    24 class MStorageNotifierObserver

    25     {

    26 public:

    27     virtual void HandleMMCInsertionL() =0;

    28     virtual void HandleMMCRemovalL() =0;

    29     };

    30 /**

    31  * states for MMC card

    32  */

    33 enum TGlxMMCState

    34     {

    35     EMMCStateReset,

    36     EMMCStateInsert

    37     };

    38 /**

    39  * class declaration

    40  */

    41 class CGlxMMCNotifier : public CActive   

    42     {  

    43 public: 

    44     /**

    45      * Two-phased constructor.

    46      */

    47     IMPORT_C static CGlxMMCNotifier* NewL(MStorageNotifierObserver& aNotify);

    48     

    49     /**

    50      * Two-phased constructor.

    51      */

    52     static CGlxMMCNotifier* NewLC(MStorageNotifierObserver& aNotify);    

    53     /**

    54      * Destructor

    55      */

    56     ~CGlxMMCNotifier ();  

    57     

    58 private:

    59     /**

    60      * Default constructor

    61      */

    62     CGlxMMCNotifier (MStorageNotifierObserver& aNotify);    

    63     /**

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

    65      */

    66     void ConstructL(); 

    67     

    68 private:

    69     /**

    70      * active object's default implelemtaions

    71      */    

    72     void RunL();    

    73     void DoCancel();      

    74     

    75     /**

    76      * IssueRequest 

    77      */

    78     void IssueRequest();   

    79     

    80 private:    

    81     /**

    82      * file session

    83      */

    84     RFs  iFs;

    85     /**

    86      * reference of observer

    87      */

    88     MStorageNotifierObserver& iNotify;

    89     /**

    90      * MMC state

    91      */

    92     TGlxMMCState istate;

    93     };

    94 

    95 #endif /* GLXMMCNOTIFIER_H_ */