sl@0: /*
sl@0: * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifndef FEATDISCOVERYIMPL_H 
sl@0: #define FEATDISCOVERYIMPL_H 
sl@0: 
sl@0: //  INCLUDES
sl@0: #include <e32base.h>
sl@0: 
sl@0: #include "featurecontrol.h"
sl@0: 
sl@0: class CFeatureDiscoveryImpl : public CBase
sl@0:     {
sl@0:     public:
sl@0: 	    
sl@0: 	    /**
sl@0: 	    * This is a two-phase constructor method that is used to create
sl@0: 	    * a new instance of the CFeatureDiscoveryImpl class.
sl@0: 	    *
sl@0: 	    * @return a pointer to a new instance of the CFeatureDiscoveryImpl class.
sl@0: 	    *
sl@0: 	    * @leave Any One of the Symbian OS system-wide error codes
sl@0: 	    */
sl@0: 		static CFeatureDiscoveryImpl* NewL();
sl@0: 	
sl@0: 	    /**
sl@0: 	    * Destructor.
sl@0: 	    */
sl@0: 		virtual ~CFeatureDiscoveryImpl();
sl@0: 	
sl@0: 		/**
sl@0: 	    * Static way to fetch information whether a certain feature is 
sl@0: 	    * supported in the current envinronment. There is no need to create
sl@0: 	    * an instance of the class when using this method.
sl@0: 	    *
sl@0: 	    * @param aFeature is the feature UID of the feature that is queried.
sl@0: 	    * @return TBool indicating whether the feature is supported (ETrue)
sl@0: 	    * or not (EFalse). If the feature does not exist, the return value is 
sl@0: 	    * EFalse.
sl@0: 	    *
sl@0: 	    * @leave Any One of the Symbian OS system-wide error codes
sl@0: 	    */
sl@0: 	    static TBool IsFeatureSupportedL(TUid aFeature);
sl@0: 	
sl@0: 		/**
sl@0: 	    * Dynamic way to fetch information whether a certain feature is 
sl@0:  		* supported in the current environment. Before calling the method 
sl@0: 	    * an instance of the CFeatureDiscoveryImpl class need to be created by 
sl@0: 	    * using one of the factory methods, NewL() or NewLC(). The created 
sl@0: 	    * instance must be deleted after use.
sl@0: 	    *
sl@0: 	    * @param aFeature is the feature UID of the feature that is queried.
sl@0: 	    * @return TBool indicating whether the feature is supported (ETrue)
sl@0: 	    * or not (EFalse). If the feature does not exist, the return value is 
sl@0: 	    * EFalse.
sl@0: 	    */
sl@0: 		TBool IsSupported(TUid aFeature);
sl@0: 
sl@0: 		/**
sl@0: 		* Static way to fetch information whether set of features are 
sl@0: 		* supported in the current envinronment. There is no need to create
sl@0: 		* an instance of the class when using this method.
sl@0: 		*
sl@0: 		* @param aFeatures is the wrapper class for feature array queried.
sl@0: 		* @leave Any One of the Symbian OS system-wide error codes
sl@0: 		*/
sl@0: 		static void FeaturesSupportedL( TFeatureSet& aFeatures );
sl@0: 
sl@0: 		/**
sl@0: 	    * Dynamic way to fetch information whether set of features are 
sl@0:  		* supported in the current environment. Before calling the method 
sl@0: 	    * an instance of the CFeatureDiscovery class need to be created by 
sl@0: 	    * using one of the factory methods, NewL() or NewLC(). The created 
sl@0: 	    * instance must be deleted after use.
sl@0: 	    *	    
sl@0: 	    * @param aFeatures is the wrapper class for feature array queried.
sl@0: 	    * @return KErrNone if status query succeeded.
sl@0: 	    *         Otherwise one of the Symbian OS error codes
sl@0: 	    */
sl@0: 		TInt FeaturesSupported( TFeatureSet& aFeatures );
sl@0: 			  
sl@0:     private:
sl@0: 
sl@0: 	    /**
sl@0: 	    * C++ default constructor.
sl@0: 	    */
sl@0: 			CFeatureDiscoveryImpl();
sl@0: 	
sl@0: 	    /**
sl@0: 	    * By default Symbian OS constructor is private.
sl@0: 	    */
sl@0: 	    void ConstructL();
sl@0: 	    
sl@0:     private:
sl@0: 
sl@0: 		// Feature Manager server client 
sl@0: 		RFeatureControl iFeatControl;
sl@0:     } ;
sl@0: 
sl@0: 
sl@0: #endif  // FEATDISCOVERYIMPL_H 
sl@0: 
sl@0: // EOF