1 /*

     2 * Copyright (c) 2008-2009 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:  

    15 */

    16 

    17 #ifndef UNMOUNTHANDLERAO_H

    18 #define UNMOUNTHANDLERAO_H

    19 

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

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

    22 #include <e32msgqueue.h>

    23 

    24 class MUnmountObserver

    25 {

    26 public:

    27 	virtual void HandleUnmount( TUint32 aMediaId ) = 0;

    28 };

    29 

    30 class CUnmountHandlerAO : public CActive

    31 {

    32 public:

    33 	// Cancel and destroy

    34 	~CUnmountHandlerAO();

    35 

    36 	// Two-phased constructor.

    37 	static CUnmountHandlerAO* NewL( MUnmountObserver& aObserver );

    38 

    39 	// Two-phased constructor.

    40 	static CUnmountHandlerAO* NewLC( MUnmountObserver& aObserver );

    41 

    42 public: // New functions

    43 	// Function for making the initial request

    44 	void WaitForUnmountL();

    45 

    46 private:

    47 	// C++ constructor

    48 	CUnmountHandlerAO( MUnmountObserver& aObserver );

    49 	

    50 	// Second-phase constructor

    51 	void ConstructL();

    52 	

    53 private: // From CActive

    54 	// Handle completion

    55 	void RunL();

    56 	

    57 	// How to cancel me

    58 	void DoCancel();

    59 	

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

    61 	// the active scheduler to panic.

    62 	TInt RunError( TInt aError );

    63 

    64 private:

    65 	MUnmountObserver* iUnmountObserver;

    66 	RMsgQueue<TUint32> iMsgQueue;

    67 };

    68 

    69 #endif // UNMOUNTHANDLERAO_H