diff -r 000000000000 -r f72a12da539e idlehomescreen/xmluirendering/uiengine/inc/xnfocuscontrol.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/idlehomescreen/xmluirendering/uiengine/inc/xnfocuscontrol.h Thu Dec 17 08:40:49 2009 +0200 @@ -0,0 +1,127 @@ +/* +* Copyright (c) 2008 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: Focus appearance drawer +* +*/ + + +#ifndef _XNFOCUSCONTROL_H +#define _XNFOCUSCONTROL_H + +// System includes +#include + +// User includes +#include "xninactivitymonitor.h" + +// Forward declarations +class CXnAppUiAdapter; +class CWindowGc; + +/** + * Focus appearance drawer + * + * @ingroup group_xnlayoutengine + * @lib xn3layoutengine.lib + * @since S60 5.0 + */ +NONSHARABLE_CLASS( CXnFocusControl ) : public CBase, + public MXnInactivityObserver + { +public: + // Constructors and destructor + + /** + * Two-phased constructor. + */ + static CXnFocusControl* NewL( CXnAppUiAdapter& aAppUiAdapter ); + + /** + * Two-phased constructor. Leaving on stack + */ + static CXnFocusControl* NewLC( CXnAppUiAdapter& aAppUiAdapter ); + + /** + * Destructor + */ + ~CXnFocusControl(); + +private: + // private constructors + + /** + * Leaving constructor + */ + void ConstructL(); + + /** + * C++ default constructor + */ + CXnFocusControl( CXnAppUiAdapter& aAppUiAdapter ); + +private: + // from MXnInactivityObserver + + /** + * @see MXnInactivityObserver + */ + void InactivityTimerExpired(); + +public: + // new functions + + /** + * Makes focus viisble + * + * @since S60 5.0 + * @param aVisible, ETrue visible, EFalse invisible + */ + void MakeVisible( TBool aVisible ); + + /** + * Queries whether focus is visible + * + * @since S60 5.0 + * @return ETrue if focus visible, EFalse otherwise + */ + TBool IsVisible() const; + + /** + * Draws the 1st state and 2nd state focus appearenace + * + * @since S60 5.0 + * @param aRect Rect where to draw + * @param aGc Context + */ + void Draw( const TRect& aRect, CWindowGc& aGc ) const; + +private: + // new functions + + void DoMakeVisibleL( TBool aVisible ); + +private: + // data + + /** AppUiAdapter, Not owned */ + CXnAppUiAdapter& iAppUiAdapter; + /** Inactivity monitor, Owned */ + CXnInactivityMonitor* iMonitor; + /** Flag to indicate whether it is allowed to show focus */ + TBool iVisible; + /** Flag to indicate refusal */ + TBool iRefused; + }; + +#endif // _XNFOCUSCONTROL_H