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diff --git a/shell/importer/GNOME_Evolution_Importer.idl b/shell/importer/GNOME_Evolution_Importer.idl
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+/* -*- Mode: IDL; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Interfaces for the importer framework.
+ *
+ * Authors:
+ *   Iain Holmes  <iain@helixcode.com>
+ *
+ * Copyright (C) 2000 Helix Code, Inc.
+ */
+
+#include <Bonobo.idl>
+
+module GNOME {
+module Evolution {
+	interface ImporterListener {
+		enum ImporterResult {
+			OK,
+			UNSUPPORTED_OPERATION,
+			NOT_READY,
+			UNKNOWN_DATA,
+			BAD_DATA,
+			BAD_FILE
+		};
+
+		/**
+		 * notifyResult:
+		 * @result: The result of the import.
+		 * @more_items: Are there any more items to be processed?
+		 *
+		 * Notifies the listener of the result and whether there are
+		 * any more items to be imported.
+		 */
+		void notifyResult (in ImporterResult result,
+				   in boolean more_items);
+	};
+
+	interface Importer : Bonobo::Unknown {
+
+		/**
+		 * Busy: Raised if the Importer object is in the middle of
+		 * processing an item;
+		 */
+		exception Busy {};
+
+		/**
+		 * processItem:
+		 * @listener: The ImporterListener that will be notified of the
+		 * progress.
+		 *
+		 * Processes the next item.
+		 *
+		 */
+		void processItem (in ImporterListener listener)
+			raises (Busy);
+
+		/**
+		 * getError:
+		 * 
+		 * Retrieve a detailed explaination of the error.
+		 *
+		 * Returns: A string.
+		 */
+		string getError ();
+	};
+
+	interface ImporterFactory : Bonobo::Unknown {
+		/**
+		 * supportFormat:
+		 * @filename: The filename of the file.
+		 *
+		 * Checks if the importer created by this factory can 
+		 * import the file specified.
+		 *
+		 * Returns: A boolean, TRUE if it can import the file,
+		 * FALSE otherwise.
+		 */
+		boolean supportFormat (in string filename);
+
+		/**
+		 * loadFile:
+		 * @filename: The filename of the file.
+		 * 
+		 * Loads the file and prepares an Importer object that can
+		 * process files of this type.
+		 *
+		 * Returns: An Importer object.
+		 */
+		Importer loadFile (in string filename);
+	};
+};
+};