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:  Implementation of the concret state

    15  *

    16  */

    17 

    18 #ifndef C_USBSTATEHOSTAINITIATE_H

    19 #define C_USBSTATEHOSTAINITIATE_H

    20 

    21 #include "cusbstatehostabase.h"

    22 

    23 #ifndef STIF

    24 #include "cusbtimer.h"

    25 #else

    26 #include "mockcusbtimer.h"

    27 #endif

    28 

    29 class CUsbOtgWatcher;

    30 

    31 /**

    32  *  This class implements behaviour when Id pin just detected (initiating host role, loading drivers)

    33  *

    34  */

    35 NONSHARABLE_CLASS( CUsbStateHostAInitiate ) : public CUsbStateHostABase,

    36 MUsbTimerObserver

    37     {

    38     friend class CtUsbOtgWatcher;

    39 

    40 public:

    41 

    42     /**

    43      * Two-phased constructor.

    44      * @param aWatcher owner

    45      */

    46     static CUsbStateHostAInitiate* NewL(CUsbOtgWatcher& aWatcher);

    47 

    48     /**

    49      * Destructor.

    50      */

    51     virtual ~CUsbStateHostAInitiate();

    52 

    53 private:

    54 

    55     // From MUsbTimerObserver

    56     /**

    57      * timer expired call back

    58      * @param aTimerId timer id

    59      */

    60     void TimerElapsedL(TUsbTimerId aTimerId);

    61 

    62     /**

    63      * default construction

    64      * @param aWatcher owner

    65      */

    66     CUsbStateHostAInitiate(CUsbOtgWatcher& aWatcher);

    67 

    68     /**

    69      * 2nd phase construction

    70      */

    71     void ConstructL();

    72 

    73     //from CUsbState

    74     /**

    75      * state id

    76      * @return state id

    77      */

    78     TUsbStateIds Id();

    79 

    80     /**

    81      * This is called when switched to this state, 

    82      * because If all conditions for transition to another state exist, nothing will 

    83      * trigger it and transition will not happen. This forces the transition in such cases.

    84      *

    85      */

    86     void JustAdvancedToThisStateL();

    87 

    88     /**

    89      * This is called when switched to this state, 

    90      * because If all conditions for transition to another state exist, nothing will 

    91      * trigger it and transition will not happen. This forces the transition in such cases.

    92      *

    93      */

    94     void JustBeforeLeavingThisStateL();

    95 

    96     // From VBus observer

    97     /**

    98      * VBus up

    99      */

   100     void VBusUpL();

   101 

   102     // From Host Event notification observer

   103     /**

   104      * Device is attached

   105      * @param aInfo Device event data

   106      */

   107     void DeviceAttachedL(TDeviceEventInformation aInfo);

   108     

   109     /**

   110      * Device is detached

   111      * @param aInfo Device event data

   112      */

   113     void DeviceDetachedL(TDeviceEventInformation aInfo);

   114 

   115     /**

   116      * Device is detached

   117      * @param aInfo Device event data

   118      */

   119     void DriverLoadSuccessL(TDeviceEventInformation aInfo);

   120 

   121     /**

   122      * Drivers loaded partially

   123      * @param aInfo Device event data

   124      */

   125     void DriverLoadPartialSuccessL(TDeviceEventInformation aInfo);

   126 

   127     /**

   128      * Drivers loading failed

   129      * @param aInfo Device event data

   130      */

   131     void DriverLoadFailureL(TDeviceEventInformation aInfo);

   132 

   133 private:

   134     // data

   135 

   136     /*

   137      * attachment timer

   138      * own

   139      */

   140     CUsbTimer* iAttachmentTimer;

   141 

   142     /*

   143      * attachment attribute

   144      */

   145     TBool iDeviceAttached;

   146     };

   147 

   148 #endif //  C_USBSTATEHOSTINITIATE_H