upnpavcontroller/upnpavcontrollerhelper/inc/upnpitemresolver.h
changeset 0 7f85d04be362
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpavcontroller/upnpavcontrollerhelper/inc/upnpitemresolver.h	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,103 @@
+/*
+* 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:      Tool for resolving local or remote items
+*
+*/
+
+
+
+
+
+
+#ifndef UPNPITEMRESOLVER_H
+#define UPNPITEMRESOLVER_H
+
+//  INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class MUPnPAVController;
+class MUPnPAVBrowsingSession;
+class MUPnPResourceSelector;
+class MUPnPItemResolverObserver;
+class CUpnpItem;
+class CUpnpElement;
+
+// CLASS DECLARATION
+
+/**
+* An interface for resolving either remote or local content.
+* The interface takes in some identification of the content,
+* resolves the content and asynchronously notifies when the
+* content is available. The content itself is provided by
+* CUpnpItem, which contains item metadata, resource and URI,
+* and it can be used directly in AVController interface to
+* play content on remote renderer or download content.
+*
+* @lib upnpavcontrollerhelper.lib
+* @since S60 3.2
+*/
+class MUPnPItemResolver
+    {
+
+public: // construction/destruction
+
+
+    /**
+     * virtual destructor
+     * for deleting the resolver implementation using the API pointer
+     */
+    virtual ~MUPnPItemResolver()  {}
+
+
+public: // the interface
+
+    /**
+     * Starts resolving an object id using given session.
+     * given Callback is notified when result objects are available,
+     * or in case of an error.
+     * @since S60 3.2
+     * @param aObserver interface that will receive result callback
+     * @param aSelector selects the desider resource
+     */
+    virtual void ResolveL(
+        MUPnPItemResolverObserver& aObserver ) = 0;
+
+    /**
+     * access to the resolved item.
+     * Note that if the object represents an item, it is not necessarily
+     * safe to query the resource in this item, instead you should use
+     * this item to query all metadata.
+     * Use this method after receiving MetadataBrowseComplete( KErrNone )
+     * @return reference to the item with the given ID
+     */
+    virtual const CUpnpItem& Item() const = 0;
+
+    /**
+     * access to the pointed item's resource.
+     * The resource may be in the original or in the pointed item.
+     * This is the easiest and recommended way for accessing the
+     * resource.
+     * example:
+     * const TDesC& uri = browseUtil->Res().Value();
+     * Use this method after receiving MetadataBrowseComplete( KErrNone )
+     * @return reference to the upnp element of <res> type.
+     */
+    virtual const CUpnpElement& Resource() const = 0;
+
+    };
+
+#endif  // UPNPITEMRESOLVER_H
+
+// End of File