/*

* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*/

#ifndef UNMOUNTHANDLERAO_H

#define UNMOUNTHANDLERAO_H

#include <e32base.h>	// For CActive, link against: euser.lib

#include <e32std.h>		// For RTimer, link against: euser.lib

#include <e32msgqueue.h>

class MUnmountObserver

{

public:

	virtual void HandleUnmount( TUint32 aMediaId ) = 0;

};

class CUnmountHandlerAO : public CActive

{

public:

	// Cancel and destroy

	~CUnmountHandlerAO();

	// Two-phased constructor.

	static CUnmountHandlerAO* NewL( MUnmountObserver& aObserver );

	// Two-phased constructor.

	static CUnmountHandlerAO* NewLC( MUnmountObserver& aObserver );

public: // New functions

	// Function for making the initial request

	void WaitForUnmountL();

private:

	// C++ constructor

	CUnmountHandlerAO( MUnmountObserver& aObserver );

	// Second-phase constructor

	void ConstructL();

private: // From CActive

	// Handle completion

	void RunL();

	// How to cancel me

	void DoCancel();

	// Override to handle leaves from RunL(). Default implementation causes

	// the active scheduler to panic.

	TInt RunError( TInt aError );

private:

	MUnmountObserver* iUnmountObserver;

	RMsgQueue<TUint32> iMsgQueue;

};

#endif // UNMOUNTHANDLERAO_H