/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *		Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifndef EM_FOLDER_TREE_MODEL_H
#define EM_FOLDER_TREE_MODEL_H

#include <gtk/gtk.h>
#include <camel/camel.h>

#include <libemail-engine/e-mail-session.h>

/* Standard GObject macros */
#define EM_TYPE_FOLDER_TREE_MODEL \
	(em_folder_tree_model_get_type ())
#define EM_FOLDER_TREE_MODEL(obj) \
	(G_TYPE_CHECK_INSTANCE_CAST \
	((obj), EM_TYPE_FOLDER_TREE_MODEL, EMFolderTreeModel))
#define EM_FOLDER_TREE_MODEL_CLASS(cls) \
	(G_TYPE_CHECK_CLASS_CAST \
	((cls), EM_TYPE_FOLDER_TREE_MODEL, EMFolderTreeModelClass))
#define EM_IS_FOLDER_TREE_MODEL(obj) \
	(G_TYPE_CHECK_INSTANCE_TYPE \
	((obj), EM_TYPE_FOLDER_TREE_MODEL))
#define EM_IS_FOLDER_TREE_MODEL_CLASS(cls) \
	(G_TYPE_CHECK_CLASS_TYPE \
	((cls), EM_TYPE_FOLDER_TREE_MODEL))
#define EM_FOLDER_TREE_MODEL_GET_CLASS(obj) \
	(G_TYPE_INSTANCE_GET_CLASS \
	((obj), EM_TYPE_FOLDER_TREE_MODEL, EMFolderTreeModelClass))

G_BEGIN_DECLS

typedef struct _EMFolderTreeModel EMFolderTreeModel;
typedef struct _EMFolderTreeModelClass EMFolderTreeModelClass;
typedef struct _EMFolderTreeModelPrivate EMFolderTreeModelPrivate;
typedef struct _EMFolderTreeModelStoreInfo EMFolderTreeModelStoreInfo;

enum {
	COL_STRING_DISPLAY_NAME,	/* string that appears in the tree */
	COL_POINTER_CAMEL_STORE,	/* CamelStore object */
	COL_STRING_FULL_NAME,		/* if node is a folder, the full path
					 * name of the folder, no leading / */
	COL_STRING_ICON_NAME,		/* icon name for the folder */
	COL_UINT_UNREAD,		/* unread count */
	COL_UINT_FLAGS,			/* FolderInfo.flags */

	COL_BOOL_IS_STORE,		/* toplevel store node? */
	COL_BOOL_IS_FOLDER,		/* folder (not a store) */
	COL_BOOL_LOAD_SUBDIRS,		/* %TRUE only if the store/folder
					 * has subfolders which have not yet
					 * been added to the tree */
	COL_UINT_UNREAD_LAST_SEL,	/* last known unread count */
	COL_BOOL_IS_DRAFT,		/* %TRUE for a draft folder */
	NUM_COLUMNS
};

struct _EMFolderTreeModelStoreInfo {
	CamelStore *store;
	GtkTreeRowReference *row;

	/* CamelFolderInfo::full_name -> GtkTreeRowReference */
	GHashTable *full_hash;

	/* CamelStore signal handler IDs */
	gulong folder_created_handler_id;
	gulong folder_deleted_handler_id;
	gulong folder_renamed_handler_id;
	gulong folder_info_stale_handler_id;
	gulong folder_subscribed_handler_id;
	gulong folder_unsubscribed_handler_id;
};

struct _EMFolderTreeModel {
	GtkTreeStore parent;
	EMFolderTreeModelPrivate *priv;
};

struct _EMFolderTreeModelClass {
	GtkTreeStoreClass parent_class;

	/* signals */
	void		(*loading_row)		(EMFolderTreeModel *model,
						 GtkTreePath *path,
						 GtkTreeIter *iter);

	void		(*loaded_row)		(EMFolderTreeModel *model,
						 GtkTreePath *path,
						 GtkTreeIter *iter);
};

GType		em_folder_tree_model_get_type	(void);
EMFolderTreeModel *
		em_folder_tree_model_new	(void);
EMFolderTreeModel *
		em_folder_tree_model_get_default (void);
GtkTreeSelection *
		em_folder_tree_model_get_selection
					(EMFolderTreeModel *model);
void		em_folder_tree_model_set_selection
					(EMFolderTreeModel *model,
					 GtkTreeSelection *selection);
EMailSession *	em_folder_tree_model_get_session
					(EMFolderTreeModel *model);
void		em_folder_tree_model_set_session
					(EMFolderTreeModel *model,
					 EMailSession *session);
void		em_folder_tree_model_set_folder_info
					(EMFolderTreeModel *model,
					 GtkTreeIter *iter,
					 EMFolderTreeModelStoreInfo *si,
					 CamelFolderInfo *fi,
					 gint fully_loaded);
void		em_folder_tree_model_add_store
					(EMFolderTreeModel *model,
					 CamelStore *store);
void		em_folder_tree_model_remove_store
					(EMFolderTreeModel *model,
					 CamelStore *store);
GList *		em_folder_tree_model_list_stores
					(EMFolderTreeModel *model);
void		em_folder_tree_model_remove_folders
					(EMFolderTreeModel *model,
					 EMFolderTreeModelStoreInfo *si,
					 GtkTreeIter *toplevel);
gboolean	em_folder_tree_model_is_type_inbox
					(EMFolderTreeModel *model,
					 CamelStore *store,
					 const gchar *full);
gchar *		em_folder_tree_model_get_folder_name
					(EMFolderTreeModel *model,
					 CamelStore *store,
					 const gchar *full);
EMFolderTreeModelStoreInfo *
		em_folder_tree_model_lookup_store_info
					(EMFolderTreeModel *model,
					 CamelStore *store);
GtkTreeRowReference *
		em_folder_tree_model_lookup_uri
					(EMFolderTreeModel *model,
					 const gchar *folder_uri);
void		em_folder_tree_model_user_marked_unread
					(EMFolderTreeModel *model,
					 CamelFolder *folder,
					 guint n_marked);

G_END_DECLS

#endif /* EM_FOLDER_TREE_MODEL_H */