metadataengine/server/src/mdsshutdownobserver.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 25 May 2010 13:10:05 +0300
branchRCL_3
changeset 13 4a4892eec172
parent 3 6752808b2036
permissions -rw-r--r--
Revision: 201019 Kit: 2010121
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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:  
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*
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*/
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#include <e32base.h>
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#include "mdsshutdownobserver.h"
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#include "mdscommoninternal.h"
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// Print macro
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#ifdef _DEBUG
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#include <e32svr.h>
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#define PRINT(x) RDebug::Print x
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#else
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#define PRINT(x)
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#endif
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// ---------------------------------------------------------------------------
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// CMDSShutdownObserver::NewL()
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// ---------------------------------------------------------------------------
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//
3
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EXPORT_C CMDSShutdownObserver* CMDSShutdownObserver::NewL( MMDSShutdownObserver& aObserver/*, const TUid& aKeyCategory */)
0
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    { 
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    CMDSShutdownObserver* self = new( ELeave )CMDSShutdownObserver( aObserver/*, aKeyCategory */);
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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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// CMDSShutdownObserver::CMDSShutdownObserver()
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// ---------------------------------------------------------------------------
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//
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CMDSShutdownObserver::CMDSShutdownObserver( MMDSShutdownObserver& aObserver/*, const TUid& aKeyCategory */)
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    : CActive( CActive::EPriorityUserInput ), iObserver( aObserver ), iValue( KErrNone )/*, iKeyCategory( aKeyCategory )*/
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    {       
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    }
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// ---------------------------------------------------------------------------
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// CMDSShutdownObserver::ConstructL()
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// ---------------------------------------------------------------------------
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//
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void CMDSShutdownObserver::ConstructL()
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    {
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#ifdef _DEBUG
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    PRINT(_L("CMDSShutdownObserver::ConstructL()"));
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#endif
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    // attach to the property    
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    User::LeaveIfError( iProperty.Attach(KMdSPSShutdown,KShutdown,EOwnerThread) );
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    CActiveScheduler::Add( this );
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    // wait for the previously attached property to be updated
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    iProperty.Subscribe(iStatus);        
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    SetActive();
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#ifdef _DEBUG
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    PRINT(_L("CMDSShutdownObserver::ConstructL() end"));
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#endif
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    }
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// ---------------------------------------------------------------------------
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// CMDSShutdownObserver::~CMDSShutdownObserver()
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// ---------------------------------------------------------------------------
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//
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CMDSShutdownObserver::~CMDSShutdownObserver()
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    {
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#ifdef _DEBUG
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    PRINT(_L("CMDSShutdownObserver::~CMDSShutdownObserver()"));
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#endif
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    Cancel();
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    iProperty.Close();
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#ifdef _DEBUG
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    PRINT(_L("CMDSShutdownObserver::~CMDSShutdownObserver() end"));
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#endif
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    }
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// ---------------------------------------------------------------------------
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// CMDSShutdownObserver::RunL()
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// ---------------------------------------------------------------------------
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//
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void CMDSShutdownObserver::RunL()
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    {
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    // resubscribe before processing new value to prevent missing updates
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    iProperty.Subscribe(iStatus);
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    SetActive();
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    // retrieve the Uid of the package going to be updated
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    TInt value = 0;
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    const TInt err = iProperty.Get(value);
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    User::LeaveIfError(err);
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	iValue = value;
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    // observer callback
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    if (value)
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        {
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        iObserver.ShutdownNotification();
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        }
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    else
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        {
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        iObserver.RestartNotification();
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        }
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    }
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TInt CMDSShutdownObserver::RunError( TInt /*aError*/ )
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    {
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    return KErrNone;
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    }
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// ---------------------------------------------------------------------------
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// CMDSShutdownObserver::DoCancel()
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// ---------------------------------------------------------------------------
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//
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void CMDSShutdownObserver::DoCancel()
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    {
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    iProperty.Cancel();
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    }
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// ---------------------------------------------------------------------------
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// CMDSShutdownObserver::UpdateInProgress()
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// ---------------------------------------------------------------------------
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//
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TBool CMDSShutdownObserver::UpdateInProgress()
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    {
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    return iValue > 0 ? ETrue : EFalse;
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    }
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// End of file