1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 #ifndef CUSBOTG_H

    18 #define CUSBOTG_H

    19 

    20 class CUsbOtgEventWatcher;

    21 class CRequestSessionWatcher;

    22 

    23 class MUsbRequestSessionObserver

    24     {

    25 public:

    26     virtual void BusRequestL() = 0;

    27     };

    28 

    29 

    30 class ROtgStateChangeNotifier

    31     {

    32 public:

    33     ROtgStateChangeNotifier();

    34     ~ROtgStateChangeNotifier();

    35 

    36 	void Register(const RMessage2& aMessage);

    37     void DoNotifyL();

    38     void DoCancelL();

    39 

    40 private:

    41 	void CompleteNotifierL(TInt);

    42 

    43 private:

    44     /** Notification service */

    45 	RMessage2 iMessage;

    46     /** Flag to indicate that media change notification is active */

    47 	TBool iRegistered;

    48     };

    49 

    50 

    51 

    52 

    53 

    54 class CUsbOtg: public CBase,

    55                public MUsbRequestSessionObserver

    56     {

    57 public:

    58     enum TOtgState {KOtgStateStart,

    59                     KOtgStateAPlugInserted,

    60                     KOtgStateSessionOpen,

    61                     KOtgStateSessionClose};

    62 

    63 

    64 public:

    65 	static CUsbOtg* NewL();

    66 	~CUsbOtg();

    67 protected:

    68 	CUsbOtg();

    69 	void ConstructL();

    70 

    71 public:

    72 

    73     // MUsbRequestSessionObserver

    74     void BusRequestL();

    75 

    76     void HandleUsbOtgEvent(RUsbOtgDriver::TOtgEvent aEvent);

    77 

    78     TBool DeviceInserted();

    79     void NotifyChange(const RMessage2& aMessage);

    80     void NotifyChangeCancel();

    81     TInt BusDrop();

    82 

    83 private:

    84     void StartL();

    85     void Stop();

    86 

    87 

    88 private:

    89     TOtgState iOtgState;

    90 	RUsbOtgDriver iUsbOtgDriver;

    91 

    92     CUsbOtgEventWatcher* iOtgEventWatcher;

    93 

    94     CRequestSessionWatcher* iRequestSessionWatcher;

    95 

    96     ROtgStateChangeNotifier iNotifier;

    97     };

    98 

    99 #endif