--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpavcontroller/upnpavcontrollerhelper/inc/upnpresourceselector.h	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,116 @@
+/*
+* Copyright (c) 2005-2007 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:      Interface for selecting a resource within an item
+*
+*/
+
+
+
+
+
+
+#ifndef UPNPRESOURCESELECTOR_H
+#define UPNPRESOURCESELECTOR_H
+
+//  INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CUpnpItem;
+class CUpnpElement;
+
+
+// CLASS DECLARATION
+
+
+/**
+* An interface for a component that selects a resource from an item.
+* In upnp items have multiple resources, and it is not necessarily
+* clear which one of them the client wants to display. This interface
+* provides a client a clear option to choose whichever resource seems
+* best.
+*
+* @lib upnpavcontrollerhelper.lib
+* @since S60 3.2
+*/
+class MUPnPResourceSelector
+    {
+public: // the interface
+
+    /**
+     * Selects the resource from given item. The implementing class
+     * should return a reference to one of the elements within the
+     * given item. If there is some problem in selecting a resource
+     * (for instance there are NO resources in the item) the method
+     * should leave
+     *
+     * @since S60 3.2
+     * @param aItem the item where to seek resources
+     * @return reference to selected resource
+     */
+    virtual const CUpnpElement& SelectResourceL(
+        const CUpnpItem& aItem ) = 0;
+
+    };
+
+
+
+
+/**
+ * A helper selector that will select the original or most likely
+ * resource from an item, using UPnPItemUtility::ResourceFromItem.
+ * Most clients will find this practical.
+ * This class could be thought as a DEFAULT implementation for
+ * MUPnPResourceSelector.
+ */
+class TUPnPSelectDefaultResource
+    : public MUPnPResourceSelector
+    {
+
+public:
+
+    /**
+     * see MUPnPResourceSelector
+     */
+    IMPORT_C const CUpnpElement& SelectResourceL(
+        const CUpnpItem& aItem );
+
+    };
+
+/**
+ * A helper selector that will select the first resource available.
+ * This selector is handy if it is certain that there is only one
+ * resource available or if the first resource is always the proper
+ * one. (as is when sharing a local item)
+ *
+ * @since S60 3.2
+ */
+class TUPnPSelectFirstResource
+    : public MUPnPResourceSelector
+    {
+
+public:
+
+    /**
+     * see MUPnPResourceSelector
+     */
+    IMPORT_C const CUpnpElement& SelectResourceL(
+        const CUpnpItem& aItem );
+
+    };
+
+
+#endif  // UPNPRESOURCESELECTOR_H
+
+// End of File