htiui/HtiServicePlugins/HtiSysInfoServicePlugin/src/HtiPropertySubscriber.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:17:27 +0200
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permissions -rw-r--r--
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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:  Implementation for controlling S60 device lights.
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*
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*/
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// INCLUDE FILES
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#include <HTILogging.h>
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#include "HtiPropertySubscriber.h"
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// CONSTANTS
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CHtiPropertySubscriber::CHtiPropertySubscriber
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// -----------------------------------------------------------------------------
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//
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CHtiPropertySubscriber::CHtiPropertySubscriber( TCallBack aCallBack,
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    RProperty& aProperty) : CActive( EPriorityNormal ),
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                            iCallBack( aCallBack ),
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                            iProperty( aProperty )
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    {
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    HTI_LOG_TEXT( "CHtiPropertySubscriber construct" );
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    CActiveScheduler::Add( this );
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    }
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// -----------------------------------------------------------------------------
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// CHtiPropertySubscriber::~CHtiPropertySubscriber
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// -----------------------------------------------------------------------------
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//
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CHtiPropertySubscriber::~CHtiPropertySubscriber()
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    {
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    HTI_LOG_TEXT( "CHtiPropertySubscriber destroy" );
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    Cancel();
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    }
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// -----------------------------------------------------------------------------
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// CHtiPropertySubscriber::Subscribe
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// -----------------------------------------------------------------------------
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//
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void CHtiPropertySubscriber::Subscribe()
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    {
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    if ( !IsActive() )
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        {
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        iProperty.Subscribe( iStatus );
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        SetActive();
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        }
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    }
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// -----------------------------------------------------------------------------
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// CHtiPropertySubscriber::Unsubscribe
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// -----------------------------------------------------------------------------
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//
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void CHtiPropertySubscriber::Unsubscribe()
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    {
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    Cancel();
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    }
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// -----------------------------------------------------------------------------
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// CHtiPropertySubscriber::RunL
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// -----------------------------------------------------------------------------
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//
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void CHtiPropertySubscriber::RunL()
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    {
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    if ( iStatus.Int() == KErrNone )
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        {
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        iCallBack.CallBack();
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        Subscribe();
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        }
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    }
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// -----------------------------------------------------------------------------
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// CHtiPropertySubscriber::DoCancel
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// -----------------------------------------------------------------------------
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//
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void CHtiPropertySubscriber::DoCancel()
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    {
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    iProperty.Cancel();
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    }
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// End of file