/*

* Copyright (c) 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:  Class for started dismount watcher

*

*/

#ifndef C_STARTED_DISMOUNT_WATCHER_H

#define C_STARTED_DISMOUNT_WATCHER_H

//  INCLUDES

#include <e32std.h>

#include "diskwatcherbase.h"

// CLASS DECLARATION

/**

* Class provides functionality of dismount watcher.

*

* @since S60 5.2

*/

NONSHARABLE_CLASS(CStartedDismountWatcher) : public CDiskWatcherBase

    {

public:

    /**

    * This is a two-phase constructor method to create a new watcher instance.

    *

    * @since S60 5.2

    * @param aCallback Reference to callback

    * @param aFs Reference to open file server session

    * @param aWatcherList Reference to watcher list

    * @param aDrive A drive identifier to be watched

    * @param aForcedTimeout A timeout to forced dismount

    * @return A pointer to a new watcher instance

    */

    static CStartedDismountWatcher* NewL(

        MDiskNotifyHandlerCallback& aCallback,

        RFs& aFs,

        RPointerArray< CStartedDismountWatcher >& aWatcherList,

        TInt aDrive,

        TTimeIntervalMicroSeconds32 aForcedTimeout );

    /**

    * Destructor.

    */

    ~CStartedDismountWatcher();

    /**

    * Compare function for find functionality

    *

    * @since S60 5.2

    * @param aDrive Pointer to drive identifier

    * @param aWatcher Watcher to be compared

    * @return Comparison result

    */

    static TInt CompareFind(

        const TInt* aDrive,

        const CStartedDismountWatcher& aWatcher );

    /**

    * Compare function for find functionality

    *

    * @since S60 5.2

    * @param aWatcher1 Watcher to be compared

    * @param aWatcher2 Watcher to be compared

    * @return Comparison result

    */

    static TInt CompareFindObject(

        const CStartedDismountWatcher& aWatcher1,

        const CStartedDismountWatcher& aWatcher2 );

    /**

    * Activates watcher manually

    *

    * @since S60 5.2

    * @param aForcedTimeout A timeout to forced dismount

    */

    void Activate( TTimeIntervalMicroSeconds32 aForcedTimeout );

private: // From CDiskWatcherBase

    void WatcherError( TInt aError, const TBool& aKilled );

    void ReactivateWatcher();

    void RunWatcher( const TBool& aKilled );

    void CancelWatcher();

private:

    CStartedDismountWatcher();

    CStartedDismountWatcher(

        MDiskNotifyHandlerCallback& aCallback,

        RFs& aFs,

        RPointerArray< CStartedDismountWatcher >& aWatcherList,

        TInt aDrive,

        TTimeIntervalMicroSeconds32 aForcedTimeout );

    void ConstructL();

    void RemoveFromListAndDestroy();

    static TInt ForcedDismountCB( TAny* aPtr );

    void RequestForcedDismount();

    void NotifyDismount( TInt aError, const TBool& aKilled );

private:

    // Reference to array owning the watchers

    RPointerArray< CStartedDismountWatcher >& iWatcherList;

    // Drive to dismount

    TInt iDrive;

    // Timeout for forced dismount

    TTimeIntervalMicroSeconds32 iForcedTimeout;

    // Timer for forced dismount. Owned.

    CPeriodic* iForcedDismountTimer;

    // Indicates if the dismount in progress is forced

    TBool iForcedDismount;

    };

#endif // C_DISMOUNT_WATCHER_H   

// End of File