sl@0: // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: 
sl@0: #ifndef CUSBOTG_H
sl@0: #define CUSBOTG_H
sl@0: 
sl@0: class CUsbOtgEventWatcher;
sl@0: class CRequestSessionWatcher;
sl@0: 
sl@0: class MUsbRequestSessionObserver
sl@0:     {
sl@0: public:
sl@0:     virtual void BusRequestL() = 0;
sl@0:     };
sl@0: 
sl@0: 
sl@0: class ROtgStateChangeNotifier
sl@0:     {
sl@0: public:
sl@0:     ROtgStateChangeNotifier();
sl@0:     ~ROtgStateChangeNotifier();
sl@0: 
sl@0: 	void Register(const RMessage2& aMessage);
sl@0:     void DoNotifyL();
sl@0:     void DoCancelL();
sl@0: 
sl@0: private:
sl@0: 	void CompleteNotifierL(TInt);
sl@0: 
sl@0: private:
sl@0:     /** Notification service */
sl@0: 	RMessage2 iMessage;
sl@0:     /** Flag to indicate that media change notification is active */
sl@0: 	TBool iRegistered;
sl@0:     };
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: class CUsbOtg: public CBase,
sl@0:                public MUsbRequestSessionObserver
sl@0:     {
sl@0: public:
sl@0:     enum TOtgState {KOtgStateStart,
sl@0:                     KOtgStateAPlugInserted,
sl@0:                     KOtgStateSessionOpen,
sl@0:                     KOtgStateSessionClose};
sl@0: 
sl@0: 
sl@0: public:
sl@0: 	static CUsbOtg* NewL();
sl@0: 	~CUsbOtg();
sl@0: protected:
sl@0: 	CUsbOtg();
sl@0: 	void ConstructL();
sl@0: 
sl@0: public:
sl@0: 
sl@0:     // MUsbRequestSessionObserver
sl@0:     void BusRequestL();
sl@0: 
sl@0:     void HandleUsbOtgEvent(RUsbOtgDriver::TOtgEvent aEvent);
sl@0: 
sl@0:     TBool DeviceInserted();
sl@0:     void NotifyChange(const RMessage2& aMessage);
sl@0:     void NotifyChangeCancel();
sl@0:     TInt BusDrop();
sl@0: 
sl@0: private:
sl@0:     void StartL();
sl@0:     void Stop();
sl@0: 
sl@0: 
sl@0: private:
sl@0:     TOtgState iOtgState;
sl@0: 	RUsbOtgDriver iUsbOtgDriver;
sl@0: 
sl@0:     CUsbOtgEventWatcher* iOtgEventWatcher;
sl@0: 
sl@0:     CRequestSessionWatcher* iRequestSessionWatcher;
sl@0: 
sl@0:     ROtgStateChangeNotifier iNotifier;
sl@0:     };
sl@0: 
sl@0: #endif