commonservices/PlatformEnv/disknotifyhandler/src/starteddismountwatcher.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:53:00 +0200 (2010-02-01)
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Class for started dismount watcher
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*
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*/
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//  INCLUDES
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#include <e32std.h>
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#include <f32file.h>
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#include "starteddismountwatcher.h"
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#include "disknotifyhandler.h"
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#include "disknotifyhandlerdebug.h"
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// ======== LOCAL FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// SetEvent
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// ---------------------------------------------------------------------------
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//
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inline static void SetEvent(
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        MDiskNotifyHandlerCallback::TDismountFinishedEvent& aEvent,
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        TInt aDrive,
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        TBool aForcedDismount )
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    {
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    aEvent.iDrive = aDrive;
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    aEvent.iForcedDismount = aForcedDismount;
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    }
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::CStartedDismountWatcher
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// ---------------------------------------------------------------------------
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//
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CStartedDismountWatcher::CStartedDismountWatcher(
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        MDiskNotifyHandlerCallback& aCallback,
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        RFs& aFs,
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        RPointerArray< CStartedDismountWatcher >& aWatcherList,
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        TInt aDrive,
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        TTimeIntervalMicroSeconds32 aForcedTimeout ) :
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    CDiskWatcherBase( aCallback, aFs ),
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    iWatcherList( aWatcherList ),
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    iDrive( aDrive ),
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    iForcedTimeout( aForcedTimeout )
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    {
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    FUNC_LOG
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    }
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CStartedDismountWatcher::ConstructL()
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    {
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    FUNC_LOG
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    iWatcherList.InsertInOrderL( this, CompareFindObject );
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    Activate( iForcedTimeout );
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    }
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::NewL
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// ---------------------------------------------------------------------------
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//
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CStartedDismountWatcher* CStartedDismountWatcher::NewL(
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        MDiskNotifyHandlerCallback& aCallback,
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        RFs& aFs,
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        RPointerArray< CStartedDismountWatcher >& aWatcherList,
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        TInt aDrive,
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        TTimeIntervalMicroSeconds32 aForcedTimeout )
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    {
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    FUNC_LOG
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    CStartedDismountWatcher* self = new ( ELeave ) CStartedDismountWatcher(
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        aCallback, aFs, aWatcherList, aDrive, aForcedTimeout );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop( self );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::~CStartedDismountWatcher
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// ---------------------------------------------------------------------------
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//
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CStartedDismountWatcher::~CStartedDismountWatcher()
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    {
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    FUNC_LOG
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    Cancel();
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    delete iForcedDismountTimer;
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    }
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::CompareFind
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// ---------------------------------------------------------------------------
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//
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TInt CStartedDismountWatcher::CompareFind(
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        const TInt* aDrive,
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        const CStartedDismountWatcher& aWatcher )
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    {
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    return Compare( *aDrive, aWatcher.iDrive );
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    }
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   117
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::CompareFindObject
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// ---------------------------------------------------------------------------
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//
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TInt CStartedDismountWatcher::CompareFindObject(
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        const CStartedDismountWatcher& aWatcher1,
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        const CStartedDismountWatcher& aWatcher2 )
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    {
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    return Compare( aWatcher1.iDrive, aWatcher2.iDrive );
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    }
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::WatcherError
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// ---------------------------------------------------------------------------
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//
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void CStartedDismountWatcher::WatcherError(
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        TInt aError,
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        const TBool& aKilled )
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    {
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    FUNC_LOG
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   138
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    LOG_IF_ERROR2(
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        aError,
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        "CStartedDismountWatcher::WatcherError-iDrive=%d,aError=%d",
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        iDrive, aError )
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   143
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    NotifyDismount( aError, aKilled );
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    }
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   146
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::ReactivateWatcher
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// ---------------------------------------------------------------------------
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//
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void CStartedDismountWatcher::ReactivateWatcher()
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    {
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    FUNC_LOG
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    // Automatic reactivation is not required
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    }
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   157
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::RunWatcher
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// ---------------------------------------------------------------------------
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//
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void CStartedDismountWatcher::RunWatcher( const TBool& aKilled )
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    {
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    FUNC_LOG
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    INFO_LOG1( "CStartedDismountWatcher::RunWatcher-iDrive=%d", iDrive )
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   167
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    NotifyDismount( KErrNone, aKilled );
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    }
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   170
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::CancelWatcher
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// ---------------------------------------------------------------------------
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//
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void CStartedDismountWatcher::CancelWatcher()
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    {
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    FUNC_LOG
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   178
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    INFO_LOG1( "CDismountWatcher::CStartedDismountWatcher-iDrive=%d", iDrive )
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    delete iForcedDismountTimer;
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    iForcedDismountTimer = NULL;
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    Fs().NotifyDismountCancel( iStatus );
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    }
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   185
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::Activate
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// ---------------------------------------------------------------------------
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//
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void CStartedDismountWatcher::Activate( TTimeIntervalMicroSeconds32 aForcedTimeout )
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    {
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    FUNC_LOG
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   193
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    if ( !IsActive() )
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        {
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        INFO_LOG1( "CStartedDismountWatcher::Activate-iDrive=%d", iDrive )
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   197
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        iForcedTimeout = aForcedTimeout;
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        delete iForcedDismountTimer;
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        iForcedDismountTimer = NULL;
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        iForcedDismount = EFalse;
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   202
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        // Start forced timer if needed
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        TInt err( KErrNone );
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        if ( iForcedTimeout.Int() > 0 )
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            {
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            iForcedDismountTimer = CPeriodic::New( CActive::EPriorityHigh );
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            if ( iForcedDismountTimer )
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                {
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                iForcedDismountTimer->Start( iForcedTimeout, iForcedTimeout,
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                    TCallBack( ForcedDismountCB, this ) );
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                }
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            else
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                {
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                err = KErrNoMemory;
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                }
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            }
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   218
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        if ( err == KErrNone )
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            {
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            // Do immediate forced dismount if timeout is zero
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            if ( iForcedTimeout.Int() == 0 )
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                {
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                iForcedDismount = ETrue;
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                Fs().NotifyDismount( iDrive, iStatus, EFsDismountForceDismount );
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                }
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            else
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                {
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                Fs().NotifyDismount( iDrive, iStatus, EFsDismountNotifyClients );
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                }
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            }
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        else
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            {
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            ERROR_LOG1( "CStartedDismountWatcher::Activate-err=%d", err )
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            TRequestStatus* status = &iStatus;
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            User::RequestComplete( status, err );
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            }
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        SetActive();
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        }
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    }
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::RemoveFromListAndDestroy
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// ---------------------------------------------------------------------------
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//
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void CStartedDismountWatcher::RemoveFromListAndDestroy()
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    {
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    FUNC_LOG
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    TInt i( iWatcherList.FindInOrder( this, CompareFindObject ) );
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    if ( i >= 0 && i < iWatcherList.Count() )
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        {
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        INFO_LOG2(
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            "CStartedDismountWatcher::RemoveFromListAndDestroy-iDrive=%d,i=%d",
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            iDrive, i )
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        iWatcherList.Remove( i );
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        delete this;
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        }
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    }
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::ForcedDismountCB
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// ---------------------------------------------------------------------------
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//
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TInt CStartedDismountWatcher::ForcedDismountCB( TAny* aPtr )
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    {
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    FUNC_LOG
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   268
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    CStartedDismountWatcher* self = static_cast<CStartedDismountWatcher*>( aPtr );
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    if ( self )
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        {
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        self->RequestForcedDismount();
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        }
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    else
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        {
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        ERROR_LOG( "CStartedDismountWatcher::ForcedDismountCB-NULL" )
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        }
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    return KErrNone;
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    }
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   280
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// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::RequestForcedDismount
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// ---------------------------------------------------------------------------
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//
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void CStartedDismountWatcher::RequestForcedDismount()
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    {
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    FUNC_LOG
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   288
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    // Cancel forced dismount timer
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    delete iForcedDismountTimer;
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    iForcedDismountTimer = NULL;
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   292
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    // Cancel soft dismount
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    Cancel();
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   295
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    iForcedDismount = ETrue;
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   297
    Fs().NotifyDismount( iDrive, iStatus, EFsDismountForceDismount );    
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    SetActive();
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   299
    }
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   300
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   301
// ---------------------------------------------------------------------------
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// CStartedDismountWatcher::NotifyDismount
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// ---------------------------------------------------------------------------
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//
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   305
void CStartedDismountWatcher::NotifyDismount( TInt aError, const TBool& aKilled )
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   306
    {
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   307
    FUNC_LOG
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   308
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   309
    delete iForcedDismountTimer;
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    iForcedDismountTimer = NULL;
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   311
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    MDiskNotifyHandlerCallback::TDismountFinishedEvent event;
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    SetEvent( event, iDrive, iForcedDismount );
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   314
    Callback().HandleNotifyDismountFinished( aError, event );
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   315
    if ( aKilled )
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   316
        {
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   317
        return;
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   318
        }
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   319
    // Remove useless watcher if not manually activated from callback
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   320
    if ( !IsActive() )
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diff changeset
   321
        {
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   322
        RemoveFromListAndDestroy();
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   323
        }
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   324
    }
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   325
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   326
// End of File