// Copyright (c) 2007-2009 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:+
−
// Implementation of wrapper API for querying support for features on a device, It +
−
// internally uses Feature Manager query APIs.+
−
// +
−
//+
−
+
−
#include <e32uid.h>+
−
#include <featdiscovery.h>  +
−
#include "featregpan.h"+
−
#include "featreg.h"+
−
#include "featregcmn.h"+
−
+
−
// Class to hold pointers to Cleanup stack & Feature Manager CFeatureDiscovery+
−
// virtual methods from CBase that result in these _TZ entries being generated.+
−
//NONSHARABLE_CLASS is used to remove _ZTI & _ZTV entry from def file . +
−
NONSHARABLE_CLASS (CImplFeatDisc ) : public CBase+
−
	{+
−
	public:+
−
		static CImplFeatDisc* NewL();+
−
		~CImplFeatDisc();+
−
	private:+
−
		CImplFeatDisc();+
−
		void ConstructL();+
−
	+
−
	public:+
−
	+
−
	CFeatureDiscovery *iFeatDis;+
−
	CTrapCleanup * iCleanup;+
−
	};+
−
	+
−
+
−
CImplFeatDisc::CImplFeatDisc() :   +
−
	iFeatDis( NULL ), +
−
	iCleanup(NULL)+
−
	{+
−
		+
−
	}+
−
	+
−
CImplFeatDisc::~CImplFeatDisc()+
−
	{+
−
	delete iFeatDis;+
−
	iFeatDis = 0;+
−
	+
−
	delete iCleanup;+
−
	iCleanup = 0;+
−
	}+
−
+
−
void CImplFeatDisc::ConstructL()+
−
    {+
−
    iFeatDis = CFeatureDiscovery::NewL();+
−
    }+
−
	+
−
+
−
CImplFeatDisc* CImplFeatDisc::NewL()+
−
    {+
−
    CImplFeatDisc* self = new( ELeave ) CImplFeatDisc();+
−
    CleanupStack::PushL( self );+
−
    self->ConstructL();+
−
    CleanupStack::Pop( self );+
−
+
−
    return self;+
−
    }+
−
+
−
+
−
/**+
−
 * Dummy feature registry implementation object - never instantiated.+
−
 * @internalComponent+
−
 */+
−
class RFeatureRegistry::TImpl+
−
	{+
−
	TUint32 iDummy;+
−
	};+
−
+
−
/**+
−
 * Opens connection to the Feature Registry for making non-static queries.+
−
 * Note all non-static queries return state at the time Open() was called;+
−
 * Feature Registry changes are not observed until instance closed and re-opened.+
−
 *+
−
 * @return KErrNone if successful, negative system-wide error code if fails+
−
 * @publishedPartner+
−
 * @deprecated+
−
 */+
−
EXPORT_C TInt RFeatureRegistry::Open()+
−
	{+
−
	__ASSERT_ALWAYS(iImpl == NULL, Panic(EFeatRegInvalidUse));+
−
	+
−
	CTrapCleanup *cleanup = NULL;+
−
	+
−
	if(User::TrapHandler() == NULL)+
−
		{+
−
		cleanup = CTrapCleanup::New();	+
−
		if(cleanup == NULL)+
−
	        {+
−
	        return KErrNoMemory;+
−
	        }+
−
		}+
−
	+
−
	CImplFeatDisc  *ptrh = NULL; 	+
−
	TRAPD( err,  ptrh = CImplFeatDisc::NewL() );+
−
    if ( err == KErrNone )+
−
        {+
−
    	ptrh->iCleanup = cleanup;+
−
        iImpl = reinterpret_cast<TImpl*> (ptrh);+
−
        }+
−
    else+
−
    	delete cleanup;+
−
	return err;+
−
	}+
−
+
−
/**+
−
 * Queries support for feature on the device.+
−
 * Non-static version requiring open instance of class.+
−
 * Recommended when making multiple queries.+
−
 * Note: returns support for feature from the time Open() was called.+
−
 *+
−
 * @param aFeatureUid Unique identifier of feature being queried+
−
 * @return positive value if feature is supported, zero if feature is not supported,+
−
 *     or negative system-wide error code if could not be determined.+
−
 * @pre this registry instance is open+
−
 * @panic FeatReg EFeatRegInvalidUse if this registry instance is not open+
−
 * @publishedPartner+
−
 * @deprecated+
−
 */+
−
EXPORT_C TInt RFeatureRegistry::QuerySupport(TUid aFeatureUid)+
−
	{+
−
	+
−
	TUint32 dummyInfo;+
−
	return QuerySupport(aFeatureUid, dummyInfo);+
−
	}+
−
+
−
/**+
−
 * Queries support for feature on the device.+
−
 * Non-static version requiring open instance of class.+
−
 * Recommended when making multiple queries.+
−
 * Note: returns support for feature from the time Open() was called.+
−
 *+
−
 * @param aFeatureUid Unique identifier of feature being queried+
−
 * @param aInfo addition status information about feature+
−
 * @return positive value if feature is supported, zero if feature is not supported,+
−
 *     or negative system-wide error code if could not be determined.+
−
 * @pre this registry instance is open+
−
 * @panic FeatReg EFeatRegInvalidUse if this registry instance is not open+
−
 * @publishedPartner+
−
 * @deprecated+
−
 */+
−
EXPORT_C TInt RFeatureRegistry::QuerySupport(TUid aFeatureUid, TUint32& aInfo)+
−
	{+
−
	__ASSERT_ALWAYS(iImpl != NULL, Panic(EFeatRegInvalidUse));+
−
+
−
	CImplFeatDisc *ptrh  = reinterpret_cast<CImplFeatDisc*> (iImpl);+
−
	+
−
	if(ptrh->iFeatDis->IsSupported(aFeatureUid))+
−
		{+
−
		+
−
		//FeatReg support only ROM features so EStatusUpgradableBit has no meaning+
−
		//So aInfo always set to EStatusSupportBit in this wrapper+
−
		aInfo = EStatusSupportBit;+
−
		return EStatusSupportBit;		+
−
		}+
−
+
−
	// feature not supported+
−
	aInfo =0;+
−
	return 0;+
−
	}+
−
+
−
/**+
−
 * Closes this registry instance.+
−
 * @publishedPartner+
−
 * @deprecated+
−
 */+
−
EXPORT_C void RFeatureRegistry::Close()+
−
	{+
−
	CImplFeatDisc *ptrh  = reinterpret_cast<CImplFeatDisc*> (iImpl);+
−
	delete ptrh;+
−
	ptrh = 0;+
−
	}+
−
+
−
/**+
−
 * Queries support for feature on the device.+
−
 * Static version recommended for single queries.+
−
 *+
−
 * @param aFeatureUid Unique identifier of feature being queried+
−
 * @return positive value if feature is supported, zero if feature is not supported,+
−
 *     or negative system-wide error code if could not be determined.+
−
 * @publishedPartner+
−
 * @deprecated+
−
 */+
−
EXPORT_C TInt RFeatureRegistry::QuerySupportS(TUid aFeatureUid)+
−
	{+
−
	TUint32 dummyInfo;+
−
	return QuerySupportS(aFeatureUid, dummyInfo);+
−
	}+
−
+
−
/**+
−
 * Queries support for feature on the device.+
−
 * Static version recommended for single queries.+
−
 *+
−
 * @param aFeatureUid Unique identifier of feature being queried+
−
 * @param aInfo addition status information about feature+
−
 * @return positive value if feature is supported, zero if feature is not supported,+
−
 *     or negative system-wide error code if could not be determined.+
−
 * @publishedPartner+
−
 * @deprecated+
−
 */+
−
EXPORT_C TInt RFeatureRegistry::QuerySupportS(TUid aFeatureUid, TUint32& aInfo)+
−
	{+
−
	CTrapCleanup * cleanup = NULL;+
−
	if(User::TrapHandler() == NULL)+
−
		{+
−
		cleanup = CTrapCleanup::New();+
−
		if(cleanup == NULL)+
−
	        {+
−
	        return KErrNoMemory;+
−
	        }+
−
		}+
−
	TBool supported = EFalse;+
−
	TRAPD( err,  supported = CFeatureDiscovery::IsFeatureSupportedL(aFeatureUid) );+
−
	+
−
	if(cleanup != NULL)+
−
		delete cleanup;+
−
     +
−
	if (err != KErrNone)+
−
		{+
−
		return err;+
−
		}+
−
		+
−
    if ( supported)+
−
        {+
−
		//FeatReg support only ROM features so EStatusUpgradableBit has no meaning+
−
		//So aInfo always set to EStatusSupportBit in this wrapper+
−
		aInfo = EStatusSupportBit;+
−
		return EStatusSupportBit;		+
−
        }+
−
   +
−
	// feature not supported+
−
	aInfo =0;+
−
	return 0;+
−
+
−
	}+
−
	+
−
+
−
// CLASS DECLARATION+
−
+
−
/**+
−
Dummy class. Contains placeholder for a removed RFeatureRegistryNotify function to prevent BC break.+
−
@internalComponent+
−
*/+
−
class Dummy+
−
    {+
−
+
−
    public: // New functions+
−
+
−
        IMPORT_C static void Dummy1();+
−
        IMPORT_C static void Dummy2();+
−
        IMPORT_C static TInt Dummy3();+
−
        IMPORT_C static void Dummy4(TRequestStatus &);+
−
    };+
−
+
−
// ================= MEMBER FUNCTIONS =======================+
−
+
−
+
−
/**+
−
Dummy method+
−
@internalComponent+
−
*/+
−
EXPORT_C void Dummy::Dummy1() { }+
−
+
−
/**+
−
Dummy method+
−
@internalComponent+
−
*/+
−
EXPORT_C void Dummy::Dummy2() {  }+
−
/**+
−
Dummy method+
−
@internalComponent+
−
@return KErrNotSupported+
−
*/+
−
EXPORT_C TInt Dummy::Dummy3() +
−
{  +
−
return KErrNotSupported;+
−
}+
−
+
−
/**+
−
Dummy method+
−
@internalComponent+
−
*/+
−
EXPORT_C void Dummy::Dummy4(TRequestStatus &) {  }+
−
+
−
+
−
+
−
+
−
+
−