/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 *  Authors: Michael Zucchi <notzed@ximian.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU Lesser General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#if !defined (__CAMEL_H_INSIDE__) && !defined (CAMEL_COMPILATION)
#error "Only <camel/camel.h> can be included directly."
#endif

#ifndef CAMEL_FOLDER_THREAD_H
#define CAMEL_FOLDER_THREAD_H

#include <camel/camel-folder-summary.h>
#include <camel/camel-folder.h>
#include <camel/camel-memchunk.h>

G_BEGIN_DECLS

typedef struct _CamelFolderThreadNode {
	struct _CamelFolderThreadNode *next, *parent, *child;
	const CamelMessageInfo *message;
	gchar *root_subject;	/* cached root equivalent subject */
	guint32 order : 31;
	guint32 re:1;			/* re version of subject? */
} CamelFolderThreadNode;

typedef struct _CamelFolderThread {
	guint32 refcount : 31;
	guint32 subject : 1;

	struct _CamelFolderThreadNode *tree;
	CamelMemChunk *node_chunks;
	CamelFolder *folder;
	GPtrArray *summary;
} CamelFolderThread;

/* interface 1: using uid's */
CamelFolderThread *camel_folder_thread_messages_new (CamelFolder *folder, GPtrArray *uids, gboolean thread_subject);
void camel_folder_thread_messages_apply (CamelFolderThread *thread, GPtrArray *uids);

/* interface 2: using messageinfo's.  Currently disabled. */
#if 0
/* new improved interface */
CamelFolderThread *camel_folder_thread_messages_new_summary (GPtrArray *summary);
void camel_folder_thread_messages_add (CamelFolderThread *thread, GPtrArray *summary);
void camel_folder_thread_messages_remove (CamelFolderThread *thread, GPtrArray *uids);
#endif

void camel_folder_thread_messages_ref (CamelFolderThread *thread);
void camel_folder_thread_messages_unref (CamelFolderThread *thread);

/* debugging function only */
gint camel_folder_threaded_messages_dump (CamelFolderThreadNode *c);

G_END_DECLS

#endif /* CAMEL_FOLDER_THREAD_H */
