/* -*- Mode: IDL; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Interface for the Evolution shell.
 *
 * Authors:
 *   Ettore Perazzoli <ettore@ximian.com>
 *
 * Copyright (C) 2000, 2001 Ximian, Inc.
 */

#ifndef _GNOME_EVOLUTION_SHELL_IDL
#define _GNOME_EVOLUTION_SHELL_IDL

#include <Bonobo.idl>

module GNOME {
module Evolution {
	enum CreatableItem {
		CREATABLE_OBJECT,
		CREATABLE_FOLDER
	};

	/* A type of item that the component can create when asked by the user,
	   e.g. a mail message or an appointment.  */
	struct CreatableItemType {
		string id;
		string description;
		string menuDescription;
		string tooltip;
		char menuShortcut;
		string iconName;
		CreatableItem type;
	};
	typedef sequence <CreatableItemType> CreatableItemTypeList;

	interface ComponentView : Bonobo::Unknown {
		void getControls (out Bonobo::Control sidebar_control,
				  out Bonobo::Control view_control,
				  out Bonobo::Control statusbar_control);
	};

	interface Listener : Bonobo::Unknown {
		/* Indicate the change of state is complete */
		void complete();
	};

	interface ShellView : Bonobo::Unknown {
		/* Should really use a ComponentView i guess */
		void setTitle(in string component, in string title);
		void setComponent(in string component);
	};

	interface Component : Bonobo::Unknown {
		exception Failed {};
		exception UnknownType {};
		/* We don't know about the old version we're upgrading from */
		exception UnsupportedVersion {};
		/* We encountered a non-recoverable, fatal error, explain why */
		exception UpgradeFailed {
			string what;
			string why;
		};

		/*** Upgrade path.  ***/

		void upgradeFromVersion (in short major, in short minor, in short revision)
			raises (UnsupportedVersion, UpgradeFailed);

		/*** Basic functionality.  ***/
		ComponentView createView(in ShellView parent)
			raises (Failed);

		/* Create the controls for embedding in the shell.  */

		/* Check if the component can quit.
		   Do not perform any quit-related tasks however.
		   May be called multiple times, depending on user interaction. */
		boolean requestQuit ();

		/* Ask the component to quit.  Returns TRUE when the
		   component has completed any closing-down tasks, and
		   is ready to exit().  This will be called repeatedly
		   at intervals until it returns TRUE. */
		boolean quit ();

		/* Notify the component of whether the shell is currently
		   running in interactive mode or not.  (I.e. basically,
		   whether there are any Evolution windows on the screen.)
		   @new_view_xid is an X Window ID ("None" if @now_interactive
		   is FALSE) */
		void interactive (in boolean now_interactive,
				  in unsigned long new_view_xid);


		/*** The following stuff is needed to build the "New" toolbar
                     item as well as the "File -> New" submenu.  ***/

		/* List of creatable items. */
		readonly attribute CreatableItemTypeList userCreatableItems;

		/* Pop up a new editing dialog for the item with the specified
		   @item_type_name.  */
		void requestCreateItem (in string item_type_name)
			raises (UnknownType, Failed);


		/*** URI handling (e.g. for the command-line, "evolution
		     mailto:foo@bar.org")  ***/
		void handleURI (in string uri);


		/*** Send/receive.  ***/

		void sendAndReceive ();

		/* Set the online status of the component asynchronously */

		void setLineStatus(in boolean online, in Listener listener);
	};

	interface Shell : Bonobo::Unknown {
		exception Busy {};
		exception ComponentNotFound {};
		exception InternalError {};
		exception InvalidURI {};
		exception NotFound {};
		exception NotReady {};
		exception UnsupportedSchema {};

		/**
		 * createNewWindow:
		 * @component_id: id or alias of the component to display in the new window.
		 *
		 */
		ShellView createNewWindow (in string component_id)
			raises (NotReady, ComponentNotFound, UnsupportedSchema, InternalError);

		/**
		 * handleURI:
		 * @uri: URI to handle
		 *
		 * This handles the specified URI.  It is different from
		 * `::createNewView' as it doesn't necessarily imply creating a
		 * new ShellView.  (For example, a `mailto:' URI will invoke
		 * the message composer.)
		 */
		void handleURI (in string uri)
			raises (NotReady, ComponentNotFound, NotFound, UnsupportedSchema, InvalidURI, InternalError);

		/**
		 * setLineStatus:
		 *
		 * Set the shell into on-line or off-line mode.
		 */
		void setLineStatus (in boolean online)
			raises (NotReady);

		/*
		 * Lookup a component by id.
		 */
		Component findComponent(in string id)
			raises (NotReady, ComponentNotFound);
	};
};
};

#endif