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:  Implements concrete state

    15  *

    16  */

    17 

    18 #ifndef C_USBSTATEHOSTHANDLEDROPPING_H

    19 #define C_USBSTATEHOSTHANDLEDROPPING_H

    20 

    21 #include "cusbstatehosthandle.h"

    22 

    23 #ifndef STIF

    24 #include "cusbnotifmanager.h"

    25 #else

    26 #include "mockcusbnotifmanager.h"

    27 #endif

    28 

    29 class CUsbOtgWatcher;

    30 

    31 /**

    32  *  problem handling class, dropping vbus

    33  *

    34  */

    35 NONSHARABLE_CLASS( CUsbStateHostHandleDropping ) : public CUsbStateHostHandle,

    36 MWaitNotifierObserver

    37 // this means only one wait notifier at a time can be shown by this state, might be redesigned

    38 

    39     {

    40     friend class CtUsbOtgWatcher;

    41     friend class CUsbOtgWatcher;

    42 

    43 public:

    44 

    45     /**

    46      * Two-phased constructor.

    47      * @param aWatcher owner

    48      */

    49     static CUsbStateHostHandleDropping* NewL(CUsbOtgWatcher& aWatcher);

    50 

    51     /**

    52      * Destructor.

    53      */

    54     virtual ~CUsbStateHostHandleDropping();

    55 

    56 private:

    57 

    58     // from MWaitNotifierObserver

    59     /**

    60      * Callback when notifier is completed

    61      * @param aFeedback how notifier completed

    62      */

    63     void WaitNotifierCompletedL(TInt aFeedback);

    64 

    65     // From VBus observer

    66     /**

    67      * VBus up

    68      */

    69     void VBusUpL();

    70 

    71     /**

    72      * VBus down

    73      */

    74     void VBusDownL();

    75 

    76     /**

    77      * VBus error happen

    78      */

    79     void AVBusErrorL();

    80 

    81     // From Host Event notification observer

    82     /**

    83      * Device is attached

    84      * @param aInfo Device event data

    85      */

    86     void DeviceAttachedL(TDeviceEventInformation aInfo);

    87 

    88     /**

    89      * Device is detached

    90      * @param aInfo Device event data

    91      */

    92     void DeviceDetachedL(TDeviceEventInformation aInfo);

    93 

    94     /**

    95      * Drivers successfully loaded

    96      * @param aInfo Device event data

    97      */

    98     void DriverLoadSuccessL(TDeviceEventInformation aInfo);

    99 

   100     /**

   101      * Drivers loaded partially

   102      * @param aInfo Device event data

   103      */

   104     void DriverLoadPartialSuccessL(TDeviceEventInformation aInfo);

   105 

   106     /**

   107      * Drivers loading failed

   108      * @param aInfo Device event data

   109      */

   110     void DriverLoadFailureL(TDeviceEventInformation aInfo);

   111 

   112     // From message notification observer

   113     /**

   114      * Message received

   115      * @param aMessage message id

   116      */

   117     void MessageNotificationReceivedL(TInt aMessage);

   118 

   119     /**

   120      * VBus error happened

   121      */

   122     void VBusErrorL();

   123 

   124     //from CUsbState

   125     /**

   126      * State id

   127      * @return state id

   128      */

   129     TUsbStateIds Id();

   130 

   131     /**

   132      * This is called when leaving this state, 

   133      *

   134      */

   135     void JustBeforeLeavingThisStateL();

   136 

   137     /**

   138      * handles issue

   139      */

   140     void DoHandleL();

   141 

   142     /**

   143      * Default constructor

   144      * @param aWatcher owner

   145      */

   146     CUsbStateHostHandleDropping(CUsbOtgWatcher& aWatcher);

   147 

   148     /**

   149      * 2nd phase construction

   150      */

   151     void ConstructL();

   152 

   153     };

   154 

   155 #endif //  C_USBSTATEHOSTDROPPINGHANDLE_H