--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/contextframework/cfwplugins/displaysourceplugin/inc/displayservicelight.h Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2009-2009 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: CDisplayServiceLight class declaration.
+*
+*/
+
+
+#ifndef DISPLAYSERVICELIGHT_H
+#define DISPLAYSERVICELIGHT_H
+
+// SYSTEM INCLUDE FILES
+#include <hwrmlight.h>
+
+// USER INCLUDE FILES
+#include "displayservicebase.h"
+
+// FORWARD DECLARATIONS
+
+// DATA TYPES
+
+// CLASS DECLARATION
+
+/**
+ * Display light service provides context information about
+ * the display light status.
+ *
+ * @lib None.
+ * @since S60 5.0
+ */
+NONSHARABLE_CLASS( CDisplayServiceLight ): public CDisplayServiceBase,
+public MHWRMLightObserver
+ {
+public:
+
+ /**
+ * Symbian two phased constructors.
+ *
+ * @since S60 5.0
+ * @param aCF Interface to Context Access API.
+ * @return CDisplayServiceLight*
+ */
+ static CDisplayServiceLight* NewL( MCFContextInterface& aCF );
+ static CDisplayServiceLight* NewLC( MCFContextInterface& aCF );
+
+ /**
+ * C++ destructor.
+ */
+ virtual ~CDisplayServiceLight();
+
+public: // From base classes
+
+ // @see CDisplayServiceBase
+ virtual void StartL();
+
+ // @see CDisplayServiceBase
+ virtual void Stop();
+
+ // @see MHWRMLightObserver
+ virtual void LightStatusChanged( TInt aTarget,
+ CHWRMLight::TLightStatus aStatus );
+
+private: // New methods
+
+ // Publishes the display state value
+ void PublishContext( CHWRMLight::TLightStatus aStatus );
+
+private:
+
+ CDisplayServiceLight( MCFContextInterface& aCF );
+ void ConstructL();
+
+private: // Data
+
+ /** HWRM Light client connection */
+ CHWRMLight* iLight;
+
+ /** Last light status stored to avoid publishing state status twice */
+ CHWRMLight::TLightStatus iCurrentStatus;
+ };
+
+#endif // DISPLAYSERVICELIGHT_H