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/*
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* Copyright (c) 2002-2004 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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* Xuikon UI state controller
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*
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*/
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#ifndef XNUISTATELISTENER_H
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#define XNUISTATELISTENER_H
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// System includes
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#include <e32base.h>
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#include <hwrmlight.h>
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#include <eikspane.h>
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// User includes
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#include "xnpropertysubscriber.h"
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// Forward declarations
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class CXnAppUiAdapter;
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// Constants
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// Class declaration
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/**
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* UI resource change observer interface
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*
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* @ingroup group_xnlayoutengine
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* @lib xn3layoutengine.lib
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* @since S60 5.0
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*/
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NONSHARABLE_CLASS( MXnUiResourceChangeObserver )
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{
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public:
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/**
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* Notifies statuspane is changed.
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*
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* @since S60 5.0
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*/
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virtual void NotifyStatusPaneSizeChanged() = 0;
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/**
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* Notifies resource changes
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*
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* @since S60 5.0
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* @param aType Resource type
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*/
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virtual void NotifyResourceChanged( TInt aType ) = 0;
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/**
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* Notifies HW flip/slide status changes
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*
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* @since S60 5.0
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* @param aStatus flip/slide status
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*/
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/* virtual void NotifyFlipStatusChangedL( TInt aStatus ) = 0;*/
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};
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// Class declaration
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/**
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* UI state observer interface
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*
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* @ingroup group_xnlayoutengine
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* @lib xn3layoutengine.lib
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* @since S60 5.0
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*/
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NONSHARABLE_CLASS( MXnUiStateObserver )
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{
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public:
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// new types
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enum TForegroundStatus
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{
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EUnknown,
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EBackground,
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EForeground,
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EPartialForeground,
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};
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public:
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/**
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* Notifies foreground changes
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*
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* @since S60 5.0
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* @param aState Foreground state
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*/
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virtual void NotifyForegroundChanged(
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TForegroundStatus aStatus ) = 0;
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/**
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* Notifies primary display light status is changed.
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*
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* @since S60 5.0
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* @param aLightsOn ETrue if lights on, EFalse otherwise
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*/
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virtual void NotifyLightStatusChanged( TBool aLightsOn ) = 0;
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/**
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* Notifies in-call state is changed.
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*
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* @since S60 5.0
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* @param aInCall ETrue if in-call on, EFalse otherwise
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*/
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virtual void NotifyInCallStateChaged( TBool aInCall ) = 0;
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};
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/**
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* UI state listener
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*
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* @ingroup group_xnlayoutengine
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* @lib xn3layoutengine.lib
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* @since S60 5.0
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*/
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NONSHARABLE_CLASS( CXnUiStateListener ) : public CBase,
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public MCoeMessageMonitorObserver,
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public MEikStatusPaneObserver,
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public MHWRMLightObserver,
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public MXnPropertyChangeObserver
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{
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private:
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// friend classes
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friend class CXnAppUiAdapterImpl;
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public:
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/**
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* Two-phased constructor.
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*/
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static CXnUiStateListener* NewL( CXnAppUiAdapter& aAdapter );
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static CXnUiStateListener* NewLC( CXnAppUiAdapter& aAdapter );
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/**
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* Destructor.
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*/
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~CXnUiStateListener();
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private:
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/**
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* 2nd phase construtor
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*/
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void ConstructL();
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/**
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* C++ default constructor.
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*/
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CXnUiStateListener( CXnAppUiAdapter& aAdapter );
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public:
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// New functions
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/**
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* Prepares for application exit
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*
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* @since S60 5.0
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*/
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void PrepareToExit();
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/*
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* Adds MXnUiStateObserver
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*
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* @since S60 5.0
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* @param aObserver Observer to add
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*/
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void AddObserver( const MXnUiStateObserver& aObserver );
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/*
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* Removes MXnUiStateObserver
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*
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* @since S60 5.0
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* @param aObserver Observer to remove
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*/
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void RemoveObserver( const MXnUiStateObserver& aObserver );
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/*
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* Adds MXnUiResourceChangeObserver
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*
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* @since S60 5.0
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* @param aObserver Observer to add
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*/
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void AddObserver( const MXnUiResourceChangeObserver& aObserver );
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/*
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* Removes MXnUiResourceChangeObserver
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*
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* @since S60 5.0
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* @param aObserver Observer to remove
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*/
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void RemoveObserver( const MXnUiResourceChangeObserver& aObserver );
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public:
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void SetEditModeActive( TBool aActive );
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private:
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// New functions
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void HandleResourceChangeL( TInt aType );
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private:
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// from MCoeMessageMonitorObserver
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void MonitorWsMessage( const TWsEvent& aEvent );
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private:
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// from MEikStatusPaneObserver
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void HandleStatusPaneSizeChange();
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private:
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// from MHWRMLightObserver
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void LightStatusChanged( TInt aTarget, CHWRMLight::TLightStatus aStatus );
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private:
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// from MXnPropertyChangeObserver
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void PropertyChangedL( const TUint32 aKey, const TInt aValue );
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private:
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// Data
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// AppUi, not owned */
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CXnAppUiAdapter& iAppUiAdapter;
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/** Light status observer, Owned */
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CHWRMLight* iLightObserver;
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/** Publish&Subscribe observer for call state, Owned */
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CXnPropertySubscriber* iCallStateObserver;
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/** MXnUiStateObservers, Not owned */
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RPointerArray< MXnUiStateObserver > iUiStateObservers;
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/** MXnUiResourceChangeObservers, Not owned */
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RPointerArray< MXnUiResourceChangeObserver > iResourceChangeObservers;
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/** Foreground status */
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MXnUiStateObserver::TForegroundStatus iForegroundStatus;
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/** Light status */
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CHWRMLight::TLightStatus iLightStatus;
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/** In-call state */
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TBool iInCallState;
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/** Last received foreground message */
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TInt iForegroundType;
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};
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#endif // XNUISTATELISTENER_H
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// End of file
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