/* Evolution Mail Data Interface
 *
 * Copyright (C) 2005 Novell, Inc.
 *
 * Authors: Michael Zucchi <notzed@novell.com>
 */

#ifndef _EVOLUTION_DATASERVER_MAIL_IDL_
#define _EVOLUTION_DATASERVER_MAIL_IDL_

#include <Bonobo.idl>

module Evolution {
module Mail {
	/* ********************************************************************** */
	// NB: tiny subset of omg properties service
	typedef string PropertyName;
	typedef sequence <PropertyName> PropertyNames;
	struct Property {
		PropertyName name;
		any value;
	};
	typedef sequence <Property> Properties;

	/* ********************************************************************** */
	// exceptions

	enum ErrorType {
		SYSTEM_ERROR,
		CAMEL_ERROR,
		FAILED,
		NOT_SUPPORTED,
		NO_PERMISSION
	};

	exception MailException {
		ErrorType id;
		string desc;
	};

	/* ********************************************************************** */
	// Main interfaces
	interface Folder;
	typedef sequence<Folder> Folders;

	struct FolderInfo {
		string name;
		string full_name;
		Folder folder;
	};
	typedef sequence <FolderInfo> FolderInfos;

	interface Store;
	typedef sequence<Store> Stores;

	struct StoreInfo {
		string name;
		string uid;
		Store store;
	};
	typedef sequence <StoreInfo> StoreInfos;

	interface Session;

	// ********************************************************************** 
	// MessageInfo wrappers
	typedef string UserFlag;
	typedef sequence <UserFlag> UserFlags;

	struct UserTag {
		string name;
		string value;	// value == "" == unset
	};
	typedef sequence <UserTag> UserTags;

	struct MessageInfo {
		string uid;
		string subject;
		string to;
		string from;
		long flags;	// CamelMessageInfo flag bits
		UserFlags userFlags;
		UserTags userTags;
	};
	typedef sequence <MessageInfo> MessageInfos;

	// Used to pass to altering functions
	struct MessageInfoSet {
		string uid;
		long flagSet;	// values bits to set in the flags
		long flagMask;	// mask of bits to change in the flags
		UserFlags userFlagSet;
		UserFlags userFlagUnset;
		UserTags userTags;
	};
	typedef sequence <MessageInfoSet> MessageInfoSets;

	/* ********************************************************************** */
	/* Messages are passed as full rfc822 encoded messages in a stream */
	typedef sequence <octet>Buffer;

	interface MessageStream : Bonobo::Unknown {
		Buffer next(in long size)
			raises (MailException);

		void dispose();
	};

	interface MessageIterator : Bonobo::Unknown {
		MessageInfos next(in long limit)
			raises (MailException);

		void dispose();
	};

	/* ********************************************************************** */

	enum ChangeType {
		ADDED,
		REMOVED,
		CHANGED
	};

	// ??
	struct SessionChange {
		ChangeType type;
		StoreInfos stores;
	};
	typedef sequence <SessionChange> SessionChanges;

	struct StoreChange {
		ChangeType type;
		FolderInfos folders;
	};
	typedef sequence <StoreChange> StoreChanges;

	struct FolderChange {
		ChangeType type;
		MessageInfos messages;
	};
	typedef sequence <FolderChange> FolderChanges;

	/* ********************************************************************** */
	/* listeners */

	interface SessionListener : Bonobo::Unknown {
		oneway void changed(in Session session, in SessionChanges changes);

		oneway void shutdown(in Session session);

		// We need to use gnome-keyring instead of an interface like this?
		// Or does gnome-keyring run off this?
		//string getPassword(in Session session, string uri, string domain, string item, string prompt, long flags);
	};

	interface StoreListener : Bonobo::Unknown {
		oneway void changed(in Store store, in StoreChanges changes);
	};

	interface FolderListener : Bonobo::Unknown {
		oneway void changed(in Folder folder, in FolderChanges changes);
	};

	/* ********************************************************************** */

// If this is done, then Session shouldn't have add/removeListener anymore
//	interface Factory : Bonobo::Unknown {
//		Session getSession(in string base, in SessionListener listener);
//	};

	interface Session : Bonobo::Unknown {
		boolean getProperties(in PropertyNames names, out Properties props);

		StoreInfos getStores(in string pattern, in StoreListener listener)
			raises (MailException);

		void addListener(in SessionListener listener);
		void removeListener(in SessionListener listener);
	};

	interface Store : Bonobo::Unknown {
		boolean getProperties(in PropertyNames names, out Properties props);

		FolderInfos getFolders(in string pattern, in FolderListener listener)
			raises (MailException);

		void sendMessage(in MessageStream msg)
			raises (MailException);
	};

	interface Folder : Bonobo::Unknown {
		boolean getProperties(in PropertyNames names, out Properties props);

		MessageIterator getMessages(in string pattern)
			raises (MailException);

		void changeMessages(in MessageInfoSets infos)
			raises (MailException);

		MessageStream getMessage(in string uid)
			raises (MailException);

		void appendMessage(in MessageInfoSet info, in MessageStream msg)
			raises (MailException);
	};
};
};

#endif