photosgallery/viewframework/uiutilities/inc/mglxactivemedialistresolver.h
changeset 0 4e91876724a2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/uiutilities/inc/mglxactivemedialistresolver.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,60 @@
+/*
+* Copyright (c) 2008-2009 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:    Class that resolves the active media list
+*
+*/
+
+
+
+
+#ifndef __M_GLXACTIVEMEDIALISTRESOLVER_H__
+#define __M_GLXACTIVEMEDIALISTRESOLVER_H__
+
+#include <e32std.h>
+
+class MGlxActiveMediaListChangeObserver;
+class MGlxMediaList;
+
+/**
+ * Interface that allows client to resolve the currently active 
+ * media list.
+ */
+class MGlxActiveMediaListResolver 
+    { 
+public:
+    /**
+     * InstanceL
+     * Call Close to close the instance
+     * @param aObserver Observer to add or NULL
+     * @return an reference counter instance of the object
+     */
+    IMPORT_C static MGlxActiveMediaListResolver* InstanceL(
+        MGlxActiveMediaListChangeObserver* aObserver);
+    
+    /**
+     * Close reference count and remove observer
+     * @param aObserver Observer to remove
+     */ 
+    virtual void Close(MGlxActiveMediaListChangeObserver* aObserver) = 0;
+    
+    /**
+     * Returns the pointer to the currently active media list
+     * The active media list is the list in the currently open view that 
+     * the user is navigating, or NULL if that media list is not known
+     * @return active media list, or NULL
+     */ 
+    virtual MGlxMediaList* ActiveMediaList() const = 0;
+    };
+    
+#endif // __M_GLXACTIVEMEDIALISTRESOLVER_H__
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