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 * Description:  Header file for Stylus Tap indicator eject usb drives

    15 *

    16 */

    17 

    18 

    19 #ifndef MSMMDISMOUNTUSBDRIVES_H

    20 #define MSMMDISMOUNTUSBDRIVES_H

    21 

    22 #include <e32base.h> 

    23 #ifdef __OVER_DUMMYCOMPONENT__

    24 #include "usb/hostms/dummycomponent/dummyfsclient.h"

    25 #else

    26 #include <f32file.h> 

    27 #endif

    28 

    29 #include "msmm_pub_def.h"

    30 

    31 class CDismountTimer;

    32 class CMsmmPolicyPluginBase;

    33 

    34 /**

    35  * Timer callback interface to indicate USB drive in use

    36  *

    37  * This class specifies the function to be called when a timeout occurs.

    38  * Used in conjunction with CDismountTimer class

    39  *  

    40  */    

    41 class MTimerNotifier

    42     {

    43 public:

    44     /**     

    45      * The function to be called when a timeout occurs.

    46      *     

    47      */

    48     virtual void TimerExpired() = 0;

    49     };

    50 

    51 /**

    52  *  An Active Object class to request dismount of usb specific drives and notify the result to MSMM plugin 

    53  *

    54  */

    55 NONSHARABLE_CLASS( CMsmmDismountUsbDrives ) : public CActive, 

    56                                             public MTimerNotifier

    57     {

    58 public:

    59     virtual ~CMsmmDismountUsbDrives();

    60     static CMsmmDismountUsbDrives* NewL();

    61     static CMsmmDismountUsbDrives* NewLC();

    62     

    63 public:

    64     /**

    65      * Send dismount notifications for all usb drives.

    66      */

    67     void DismountUsbDrives(CMsmmPolicyPluginBase& aPlugin, TUSBMSDeviceDescription& aDevice);

    68     

    69 protected:

    70     CMsmmDismountUsbDrives();

    71     void ConstructL();

    72     

    73 private:

    74     /**

    75      *  Send dismount notification via RFs

    76      */

    77     void DoDismount();

    78     

    79     /**

    80      * Callback to CMsmmPolicyPluginBase

    81      */

    82     void CompleteDismountRequest(const TInt aResult);

    83 

    84 private: //from CActive    

    85     void RunL();

    86     void DoCancel();

    87     

    88 private: // from MTimerNotifier

    89 

    90     /**

    91      * Dismount timer callback

    92      */     

    93     void TimerExpired();    

    94         

    95 private:

    96     /**

    97      * Drive index

    98      */

    99     TInt iDriveIndex;

   100     /**

   101      * RFs session

   102      */

   103 #ifdef __OVER_DUMMYCOMPONENT__

   104     RDummyFs  iRFs;

   105 #else

   106     RFs  iRFs;

   107 #endif

   108     /**

   109      * List of drives

   110      */

   111     TDriveList iDriveList;    

   112     

   113     /**

   114      * Dismount timer

   115      * Own

   116      */

   117     CDismountTimer* iDismountTimer;

   118     

   119     /**

   120      * Callback API for dismount result

   121      * Do not own

   122      */

   123     CMsmmPolicyPluginBase* iPlugin;

   124     

   125     /**

   126      * Device specific details, manufacturer and productid 

   127      */

   128     TPckgBuf<TUSBMSDeviceDescription> iDevicePkgInfo;

   129     };

   130 

   131 

   132 /**

   133  * Timer interface for dismount request

   134  *

   135  * This class will notify an object after a specified timeout.

   136  * 

   137  */        

   138 class CDismountTimer : public CTimer

   139     {

   140 public:

   141     static CDismountTimer* NewL( MTimerNotifier* aTimeOutNotify );

   142     static CDismountTimer* NewLC( MTimerNotifier* aTimeOutNotify);

   143     virtual ~CDismountTimer();

   144     void CancelTimer();

   145     void StartTimer();

   146 

   147 protected: 

   148     /**

   149      * From CTimer

   150      * Invoked when a timeout occurs

   151      *      

   152      */

   153     virtual void RunL();

   154 

   155 private:

   156     CDismountTimer( MTimerNotifier* aTimeOutNotify );

   157     void ConstructL();

   158 

   159 private: // Member variables

   160 

   161     /**

   162      *  The observer for this objects events 

   163      *  Not own.

   164      */

   165     MTimerNotifier* iNotify;

   166     };

   167 

   168 

   169 #endif      // MSMMDISMOUNTUSBDRIVES_H