--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/featuremgmt/featuremgr/src/featdiscovery/featdiscoveryimpl.cpp	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,191 @@
+// 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:
+//
+
+
+
+#include <e32cmn.h>
+#include <featdiscovery.h>
+#include "featdiscoveryimpl.h"
+#include "featurecontrol.h"
+#include "featurecmn.h"
+
+// -----------------------------------------------------------------------------
+// CFeatureDiscoveryImpl::CFeatureDiscoveryImpl* NewL()
+// -----------------------------------------------------------------------------
+//
+CFeatureDiscoveryImpl* CFeatureDiscoveryImpl::NewL()
+    {
+    CFeatureDiscoveryImpl* self = new( ELeave ) CFeatureDiscoveryImpl();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+
+
+// ---------------------------------------------------------
+// CFeatureDiscoveryImpl::ConstructL
+//
+// Symbian OS default constructor, initializes variables and cache 
+// ---------------------------------------------------------
+//
+void CFeatureDiscoveryImpl::ConstructL()
+    {
+    TInt err( iFeatControl.Connect() );
+    User::LeaveIfError( err );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CFeatureDiscoveryImpl::~CFeatureDiscoveryImpl()
+// -----------------------------------------------------------------------------
+//
+CFeatureDiscoveryImpl::~CFeatureDiscoveryImpl()
+    {
+    iFeatControl.Close();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CFeatureDiscoveryImpl::CFeatureDiscoveryImpl()
+// -----------------------------------------------------------------------------
+//
+CFeatureDiscoveryImpl::CFeatureDiscoveryImpl()
+    {
+    }
+
+
+// -----------------------------------------------------------------------------
+// CFeatureDiscoveryImpl::IsFeatureSupportedL(TUid)
+// -----------------------------------------------------------------------------
+//
+TBool CFeatureDiscoveryImpl::IsFeatureSupportedL(TUid aFeature)
+    {
+    RFeatureControl featControl;
+    TInt err( featControl.Connect() );
+    User::LeaveIfError( err );
+    TFeatureEntry feature( aFeature );
+    err = featControl.FeatureSupported( feature );
+    featControl.Close();
+    
+    return (( err > 0 ) ? ETrue : EFalse );
+    }
+
+// -----------------------------------------------------------------------------
+// CFeatureDiscoveryImpl::IsSupported(TUid)
+// -----------------------------------------------------------------------------
+//
+TBool CFeatureDiscoveryImpl::IsSupported(TUid aFeature)
+    {
+    TFeatureEntry feature( aFeature );
+    
+    return (( iFeatControl.FeatureSupported( feature ) > 0 ) ? ETrue : EFalse );
+    }
+
+// -----------------------------------------------------------------------------
+// CFeatureDiscoveryImpl::FeaturesSupportedL(TFeatureSet&)
+// -----------------------------------------------------------------------------
+//
+void CFeatureDiscoveryImpl::FeaturesSupportedL( TFeatureSet& aFeatures )
+    {
+    RFeatureControl featControl;
+    CleanupClosePushL( featControl );
+    TInt err( featControl.Connect() );
+    User::LeaveIfError( err );
+    
+    // Construct feature entry array used by feature control
+    RFeatureArray features;
+    CleanupClosePushL( features );
+    TInt count( aFeatures.Count() );
+    
+    for(TInt i(0); i < count; i++)
+        {
+        TFeatureEntry feature( aFeatures.FeatureId( i ) );
+        features.AppendL( feature );
+        }
+
+    // Fetch feature information from server
+    err = featControl.FeaturesSupported( features );
+    User::LeaveIfError( err );
+
+    // Refresh count of features after query, non existing features are removed 
+    count = features.Count();
+    // Write information back to format feature discovery uses
+    aFeatures.Reset();
+    
+    for(TInt i(0); i < count; i++)
+        {
+        const TUid uid( features[i].FeatureUid() );
+        const TBool supported( features[i].FeatureFlags().IsSet( EFeatureSupported ) );
+        err = aFeatures.Append( uid, supported );
+        User::LeaveIfError( err );
+        }
+
+    CleanupStack::PopAndDestroy( &features );
+    CleanupStack::PopAndDestroy( &featControl );
+    }
+
+// -----------------------------------------------------------------------------
+// CFeatureDiscoveryImpl::FeaturesSupported(TFeatureSet&)
+// -----------------------------------------------------------------------------
+//
+TInt CFeatureDiscoveryImpl::FeaturesSupported( TFeatureSet& aFeatures )
+    {
+    // Construct feature entry array used by feature control
+    TInt err( KErrNone );
+    RFeatureArray features;
+    TInt count( aFeatures.Count() );
+    
+    for(TInt i(0); i < count; i++)
+        {
+        TFeatureEntry feature( aFeatures.FeatureId( i ) );
+        err = features.Append( feature );
+        if( err != KErrNone )
+            {
+            break;
+            }
+        }
+
+    if( err == KErrNone )
+        {
+        // Fetch feature information from server
+        err = iFeatControl.FeaturesSupported( features );
+        // Refresh count of features after query, non existing features are removed
+        count = features.Count();
+        }
+
+    if( err == KErrNone )
+        {
+        // Write information back to format feature discovery uses
+        aFeatures.Reset();
+        
+        for(TInt i(0); i < count; i++)
+            {
+            const TUid uid( features[i].FeatureUid() );
+            const TBool supported( features[i].FeatureFlags().IsSet( EFeatureSupported ) );
+            err = aFeatures.Append( uid, supported );
+            if( err != KErrNone )
+                {
+                break;
+                }
+            }
+        }
+    
+    features.Close();
+    return err;
+    }
+// EOF