19 files changed, 0 insertions, 8005 deletions

diff --git a/calendar/pcs/.cvsignore b/calendar/pcs/.cvsignore
deleted file mode 100644
index ac51a554db..0000000000
--- a/calendar/pcs/.cvsignore
+++ /dev/null
@@ -1,11 +0,0 @@
-Makefile
-Makefile.in
-.deps
-.libs
-.pure
-*.la
-*.lo
-evolution-calendar-stubs.c
-evolution-calendar-skels.c
-evolution-calendar-common.c
-evolution-calendar.h
diff --git a/calendar/pcs/Makefile.am b/calendar/pcs/Makefile.am
deleted file mode 100644
index 57c24d3130..0000000000
--- a/calendar/pcs/Makefile.am
+++ /dev/null
@@ -1,52 +0,0 @@
-INCLUDES =						\
-	-DG_LOG_DOMAIN=\"wombat-pcs\"			\
-	-I$(top_srcdir)					\
-	-I$(top_srcdir)/calendar			\
-	-I$(top_srcdir)/libical/src/libical		\
-	-I$(top_builddir)/libical/src/libical		\
-	-I$(top_srcdir)/libwombat			\
-	-I$(top_builddir)/libwombat			\
-        -DGNOMELOCALEDIR=\""$(localedir)"\"		\
-	$(EVOLUTION_CALENDAR_CFLAGS)
-
-CORBA_GENERATED =				\
-	evolution-calendar.h			\
-	evolution-calendar-common.c		\
-	evolution-calendar-skels.c		\
-	evolution-calendar-stubs.c
-
-idls =						\
-	$(srcdir)/../idl/evolution-calendar.idl
-
-idl_flags = -I $(srcdir) `$(GNOME_CONFIG) --cflags idl` -I $(datadir)/idl
-
-$(CORBA_GENERATED): $(idls)
-	$(ORBIT_IDL) $(idl_flags) $(srcdir)/../idl/evolution-calendar.idl
-
-noinst_LIBRARIES = libpcs.a
-
-libpcs_a_SOURCES =		\
-	$(CORBA_GENERATED)	\
-	cal.c			\
-	cal.h			\
-	cal-backend.c		\
-	cal-backend.h		\
-	cal-backend-file.c	\
-	cal-backend-file.h	\
-	cal-backend-util.c	\
-	cal-backend-util.h	\
-	cal-common.h		\
-	cal-factory.c		\
-	cal-factory.h		\
-	job.c			\
-	job.h			\
-	query.c			\
-	query.h
-
-
-BUILT_SOURCES = $(CORBA_GENERATED)
-CLEANFILES = $(BUILT_SOURCES)
-
-dist-hook:
-	cd $(distdir); rm -f $(BUILT_SOURCES)
-
diff --git a/calendar/pcs/cal-backend-db.c b/calendar/pcs/cal-backend-db.c
deleted file mode 100644
index 59f49701ec..0000000000
--- a/calendar/pcs/cal-backend-db.c
+++ /dev/null
@@ -1,1190 +0,0 @@
-/* Evolution calendar - iCalendar DB backend
- *
- * Copyright (C) 2001 Ximian, Inc.
- *
- * Author: Rodrigo Moya <rodrigo@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <config.h>
-#include <gtk/gtksignal.h>
-#include "cal-util/cal-recur.h"
-#include "cal-backend-db.h"
-#include <db.h>
-#if DB_VERSION_MAJOR < 3
-#  error "You need libdb3 to compile the DB backend"
-#endif
-
-#define ENVIRONMENT_DIRECTORY "%s/evolution/local/Calendar/db.environment"
-
-/* structure to identify an open cursor */
-typedef struct {
-	gint ref;
-	DBC* dbc;
-	DB*  parent_db;
-	
-	/* data in the cursor */
-	GList *keys;
-	GList *data;
-} CalBackendDBCursor;
-
-/* private part of the CalBackendDB structure */
-struct _CalBackendDBPrivate {
-	/* URI where the calendar data is stored */
-	GnomeVFSURI *uri;
-
-	/* Berkeley DB's library handles */
-	DB_ENV *environment;
-	DB *objects_db;
-	DB *history_db;
-
-	/* list of open cursors */
-	GList *cursors;
-
-	/* list of clients using this backend */
-	GList *clients;
-};
-
-static void cal_backend_db_class_init (CalBackendDBClass *klass);
-static void cal_backend_db_init (CalBackendDB *cbdb);
-static void cal_backend_db_destroy (GtkObject *object);
-
-static GnomeVFSURI *cal_backend_db_get_uri (CalBackend *backend);
-static CalBackendOpenStatus cal_backend_db_open (CalBackend *backend,
-                                                 GnomeVFSURI *uri,
-                                                 gboolean only_if_exists);
-static gboolean cal_backend_db_is_loaded (CalBackend *backend);
-
-static int cal_backend_db_get_n_objects (CalBackend *backend, CalObjType type);
-static char *cal_backend_db_get_object (CalBackend *backend, const char *uid);
-static GList* cal_backend_db_get_uids (CalBackend *backend, CalObjType type);
-static GList* cal_backend_db_get_objects_in_range (CalBackend *backend,
-                                                   CalObjType type,
-                                                   time_t start,
-                                                   time_t end);
-static char *cal_backend_db_get_free_busy (CalBackend *backend,
-					   time_t start,
-					   time_t end);
-static GNOME_Evolution_Calendar_CalObjChangeSeq *cal_backend_db_get_changes (
-	CalBackend *backend, CalObjType type, const char *change_id);
-
-static GNOME_Evolution_Calendar_CalComponentAlarmsSeq *cal_backend_db_get_alarms_in_range (
-	CalBackend *backend, time_t start, time_t end);
-
-static GNOME_Evolution_Calendar_CalComponentAlarms *cal_backend_db_get_alarms_for_object (
-	CalBackend *backend, const char *uid, time_t start, time_t end, gboolean *object_found);
-
-static gboolean cal_backend_db_update_object (CalBackend *backend,
-                                              const char *uid,
-                                              const char *calobj);
-static gboolean cal_backend_db_remove_object (CalBackend *backend, const char *uid);
-
-static void close_cursor (CalBackendDB *cbdb, CalBackendDBCursor *cursor);
-static CalBackendDBCursor *open_cursor (CalBackendDB *cbdb, DB *db);
-static CalBackendDBCursor *find_cursor_by_db (CalBackendDB *cbdb, DB *db);
-static DBT *find_record_by_id (CalBackendDBCursor *cursor, const gchar *id);
-
-static DB_TXN *begin_transaction (CalBackendDB *cbdb);
-static void commit_transaction (DB_TXN *tid);
-static void rollback_transaction (DB_TXN *tid);
-
-static CalBackendClass *parent_class;
-
-/**
- * cal_backend_db_get_type:
- * @void:
- *
- * Registers the #CalBackendDB class if necessary and returns the type ID
- * associated to it.
- *
- * Return value: The type ID of the #CalBackendDB class.
- */
-GtkType
-cal_backend_db_get_type (void)
-{
-	static GtkType cal_backend_db_type = 0;
-
-	if (!cal_backend_db_type) {
-		static const GtkTypeInfo cal_backend_db_info = {
-			"CalBackendDB",
-			sizeof (CalBackendDB),
-			sizeof (CalBackendDBClass),
-			(GtkClassInitFunc) cal_backend_db_class_init,
-			(GtkObjectInitFunc) cal_backend_db_init,
-			NULL,
-			NULL,
-			(GtkClassInitFunc) NULL
-		};
-
-		cal_backend_db_type = gtk_type_unique(CAL_BACKEND_TYPE, &cal_backend_db_info);
-	}
-
-	return cal_backend_db_type;
-}
-
-/* class initialization function for the DB backend */
-static void
-cal_backend_db_class_init (CalBackendDBClass *klass)
-{
-	GtkObjectClass *object_class;
-	CalBackendClass *backend_class;
-
-	object_class = (GtkObjectClass *) klass;
-	backend_class = (CalBackendClass *) klass;
-
-	parent_class = gtk_type_class(CAL_BACKEND_TYPE);
-
-	object_class->destroy = cal_backend_db_destroy;
-
-	backend_class->get_uri = cal_backend_db_get_uri;
-	backend_class->open = cal_backend_db_open;
-	backend_class->is_loaded = cal_backend_db_is_loaded;
-	backend_class->get_n_objects = cal_backend_db_get_n_objects;
-	backend_class->get_object = cal_backend_db_get_object;
-	backend_class->get_uids = cal_backend_db_get_uids;
-	backend_class->get_objects_in_range = cal_backend_db_get_objects_in_range;
-	backend_class->get_free_busy = cal_backend_db_get_free_busy;
-	backend_class->get_changes = cal_backend_db_get_changes;
-	backend_class->get_alarms_in_range = cal_backend_db_get_alarms_in_range;
-	backend_class->get_alarms_for_object = cal_backend_db_get_alarms_for_object;
-	backend_class->update_object = cal_backend_db_update_object;
-	backend_class->remove_object = cal_backend_db_remove_object;
-}
-
-/* object initialization function for the DB backend */
-static void
-cal_backend_db_init (CalBackendDB *cbdb)
-{
-	CalBackendDBPrivate *priv;
-
-	priv = g_new0(CalBackendDBPrivate, 1);
-	cbdb->priv = priv;
-}
-
-/* Destroy handler for the DB backend */
-static void
-cal_backend_db_destroy (GtkObject *object)
-{
-	CalBackendDB *cbdb;
-	CalBackendDBPrivate *priv;
-	GList *node;
-
-	g_return_if_fail(object != NULL);
-	g_return_if_fail(IS_CAL_BACKEND_DB(object));
-
-	cbdb = CAL_BACKEND_DB(object);
-	priv = cbdb->priv;
-
-	g_assert(cbdb->priv->clients == NULL);
-
-	/* clean up */
-	if (priv->uri) {
-		gnome_vfs_uri_unref(priv->uri);
-		priv->uri = NULL;
-	}
-
-	/* close open cursors */
-	while ((node = g_list_first(cbdb->priv->cursors))) {
-		close_cursor(cbdb, (CalBackendDBCursor *) node->data);
-	}
-
-	/* close open databases */
-	if (cbdb->priv->objects_db)
-		cbdb->priv->objects_db->close(cbdb->priv->objects_db, 0);
-	if (cbdb->priv->history_db)
-		cbdb->priv->history_db->close(cbdb->priv->history_db, 0);
-
-	/* close DB environment */
-	if (cbdb->priv->environment)
-		cbdb->priv->environment->close(cbdb->priv->environment, 0);
-	
-	g_free((gpointer) priv);
-	cbdb->priv = NULL;
-
-	if (GTK_OBJECT_CLASS(parent_class)->destroy)
-		(*GTK_OBJECT_CLASS(parent_class)->destroy)(object);
-}
-
-/*
- * Private functions
- */
-
-/* close an open cursor and frees all associated memory */
-static void
-close_cursor (CalBackendDB *cbdb, CalBackendDBCursor *cursor)
-{
-	GList *node;
-	DBT *dbt;
-
-	g_return_if_fail(cursor != NULL);
-
-	cursor->ref--;
-	if (cursor->ref > 0)
-		return;
-
-	/* free all keys and data */
-	while ((node = g_list_first(cursor->keys))) {
-		dbt = (DBT *) node->data;
-		cursor->keys = g_list_remove(cursor->keys, (gpointer) dbt);
-		g_free((gpointer) dbt);
-	}
-	while ((node = g_list_first(cursor->data))) {
-		dbt = (DBT *) node->data;
-		cursor->data = g_list_remove(cursor->data, (gpointer) dbt);
-		g_free((gpointer) dbt);
-	}
-
-	/* finally, close the cursor */
-	cursor->dbc->c_close(cursor->dbc);
-
-	cbdb->priv->cursors = g_list_remove(cbdb->priv->cursors, (gpointer) cursor);
-	g_free((gpointer) cursor);
-}
-
-/* open a cursor for the given database */
-static CalBackendDBCursor *
-open_cursor (CalBackendDB *cbdb, DB *db)
-{
-	CalBackendDBCursor *cursor;
-	gint ret;
-
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(db != NULL, NULL);
-
-	/* search for the cursor in our list of cursors */
-	cursor = find_cursor_by_db(cbdb, db);
-	if (cursor) {
-		cursor->ref++;
-		return cursor;
-	}
-
-	/* create the cursor */
-	cursor = g_new0(CalBackendDBCursor, 1);
-	cursor->parent_db = db;
-	cursor->ref = 1;
-
-	ret = db->cursor(db, NULL, &cursor->dbc, 0);
-	if (ret == 0) {
-		DBT key;
-		DBT data;
-
-		/* read data */
-		memset(&key, 0, sizeof(key));
-		memset(&data, 0, sizeof(data));
-		
-		while ((ret = cursor->dbc->c_get(cursor->dbc, &key, &data, DB_NEXT)) == 0) {
-			cursor->keys = g_list_append(cursor->keys, g_memdup(&key, sizeof(key)));
-			cursor->data = g_list_append(cursor->data, g_memdup(&data, sizeof(data)));
-			
-			memset(&key, 0, sizeof(key));
-			memset(&data, 0, sizeof(data));
-		}
-		if (ret == DB_NOTFOUND) {
-			cbdb->priv->cursors = g_list_prepend(cbdb->priv->cursors, (gpointer) cursor);
-			return cursor;
-		}
-
-		/* close cursor on error */
-		close_cursor(cbdb, cursor);
-	}
-
-	return NULL;
-}
-
-/* search for a cursor in the given backend */
-static CalBackendDBCursor *
-find_cursor_by_db (CalBackendDB *cbdb, DB *db)
-{
-	GList *node;
-
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(cbdb->priv != NULL, NULL);
-	g_return_val_if_fail(db != NULL, NULL);
-
-	for (node = g_list_first(cbdb->priv->cursors); node != NULL; node = g_list_next(node)) {
-		CalBackendDBCursor* cursor = (CalBackendDBCursor *) node->data;
-
-		if (cursor && cursor->parent_db == db)
-			return cursor;
-	}
-
-	return NULL; /* not found */
-}
-
-/* finds a record in a cursor by its ID */
-static DBT *
-find_record_by_id (CalBackendDBCursor *cursor, const gchar *id)
-{
-	GList *node;
-
-	g_return_val_if_fail(cursor != NULL, NULL);
-	g_return_val_if_fail(id != NULL, NULL);
-
-	
-	for (node = g_list_first(cursor->keys); node != NULL; node = g_list_next(node)) {
-		DBT *key;
-		
-		key = (DBT *) node->data;
-		if (key && !strcmp(key->data, id)) {
-			GList *tmp;
-			
-			tmp = g_list_nth(cursor->data, g_list_position(cursor->keys, node));
-			if (tmp)
-				return (DBT *) tmp->data;
-			return NULL; /* no data associated with this key */
-		}
-	}
-
-	return NULL; /* not found */
-}
-
-/* start a new transaction */
-static DB_TXN *
-begin_transaction (CalBackendDB *cbdb)
-{
-	DB_TXN *tid;
-	gint ret;
-	
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(cbdb->priv != NULL, NULL);
-	
-	if ((ret = txn_begin(cbdb->priv->environment, NULL, &tid, 0)) != 0) {
-		/* TODO: error logging */
-		return NULL;
-	}
-	
-	return tid;
-}
-
-/* finish successfully a transaction */
-static void
-commit_transaction (DB_TXN *tid)
-{
-	gint ret;
-	
-	g_return_if_fail(tid != NULL);
-	
-	if ((ret = txn_commit(tid, 0)) != 0) {
-		/* TODO: error logging? */
-	}
-}
-
-/* abort a transaction */
-static void
-rollback_transaction (DB_TXN *tid)
-{
-	gint ret;
-	
-	g_return_if_fail(tid != NULL);
-	
-	if ((ret = txn_abort(tid)) != 0) {
-		/* TODO: error logging? */
-	}
-}
-
-/*
- * Calendar backend methods
- */
-
-/* get_uri handler for the DB backend */
-static GnomeVFSURI *
-cal_backend_db_get_uri (CalBackend *backend)
-{
-	CalBackendDB *cbdb;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(cbdb->priv != NULL, NULL);
-
-	return cbdb->priv->uri;
-}
-
-/* callback used when a Cal is destroyed */
-static void
-destroy_cal_cb (GtkObject *object, gpointer data)
-{
-	Cal *cal;
-	Cal *tmp_cal;
-	CalBackendDB *cbdb;
-	GList *node;
-
-	cal = CAL(object);
-	cbdb = CAL_BACKEND_DB(data);
-	
-	g_return_if_fail(IS_CAL_BACKEND_DB(cbdb));
-	g_return_if_fail(cbdb->priv != NULL);
-
-	/* find the Cal in the list of clients */
-	for (node = cbdb->priv->clients; node != NULL; node = g_list_next(node)) {
-		tmp_cal = CAL(node->data);
-		if (tmp_cal == cal)
-			break;
-	}
-
-	if (node) {
-		/* disconnect this Cal */
-		cbdb->priv->clients = g_list_remove_link(cbdb->priv->clients, node);
-		g_list_free_1(node);
-
-		/* when all clients go away, notify the parent factory about it so that
-		 * it may decide to kill the backend or not.
-		 */
-		if (!cbdb->priv->clients)
-			cal_backend_last_client_gone(CAL_BACKEND(cbdb));
-	}
-}
-
-/* database file initialization */
-static gboolean
-open_database_file (CalBackendDB *cbdb, const gchar *str_uri, gboolean only_if_exists)
-{
-	gint ret;
-	struct stat sb;
-	gchar *dir;
-
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE);
-	g_return_val_if_fail(cbdb->priv != NULL, FALSE);
-	g_return_val_if_fail(cbdb->priv->objects_db != NULL, FALSE);
-	g_return_val_if_fail(cbdb->priv->history_db != NULL, FALSE);
-	g_return_val_if_fail(str_uri != NULL, FALSE);
-
-	/* initialize DB environment (for transactions) */
-	dir = g_strdup_printf(ENVIRONMENT_DIRECTORY, g_get_home_dir());
-	if (stat(dir, &sb) != 0) {
-
-		/* if the directory exists, we're done, since DB will fail if it's the
-		 * wrong one. If it does not exist, create the environment */
-		if (mkdir(dir, S_IRWXU) != 0) {
-			g_free((gpointer) dir);
-			return FALSE;
-		}
-		
-		/* create the environment handle */
-		if ((ret = db_env_create(&cbdb->priv->environment, 0)) != 0) {
-			g_free((gpointer) dir);
-			return FALSE;
-		}
-		
-		cbdb->priv->environment->set_errpfx(cbdb->priv->environment, "cal-backend-db");
-		
-		/* open the transactional environment */
-		if ((ret = cbdb->priv->environment->open(cbdb->priv->environment,
-		                                         ENVIRONMENT_DIRECTORY,
-		                                         DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG |
-		                                         DB_INIT_MPOOL | DB_INIT_TXN |
-		                                         DB_RECOVER | DB_THREAD,
-		                                         S_IRUSR | S_IWUSR)) != 0) {
-			g_free((gpointer) dir);
-			return FALSE;
-		}
-	}
-	
-	g_free((gpointer) dir);
-	
-	/* open/create objects database into given file */
-	if ((ret = db_create(&cbdb->priv->objects_db, cbdb->priv->environment, 0)) != 0
-	    || (ret = db_create(&cbdb->priv->history_db, cbdb->priv->environment, 0)) != 0) {
-		return FALSE;
-	}
-
-	if (only_if_exists) {
-		ret = cbdb->priv->objects_db->open(cbdb->priv->objects_db,
-		                                   str_uri,
-		                                   "calendar_objects",
-		                                   DB_HASH,
-		                                   DB_THREAD,
-		                                   0644);
-	}
-	else {
-		ret = cbdb->priv->objects_db->open(cbdb->priv->objects_db,
-		                                   str_uri,
-		                                   "calendar_objects",
-		                                   DB_HASH,
-		                                   DB_CREATE | DB_THREAD,
-		                                   0644);
-	}
-	if (ret == 0) {
-		/* now, open the history database */
-		ret = cbdb->priv->history_db->open(cbdb->priv->history_db,
-		                                   str_uri,
-		                                   "calendar_history",
-		                                   DB_BTREE,
-		                                   DB_CREATE | DB_THREAD,
-		                                   0644);
-		if (ret == 0) return TRUE;
-
-		/* close objects database on error */
-		cbdb->priv->objects_db->close(cbdb->priv->objects_db, 0);
-	}
-
-	return FALSE;
-}
-
-/* open handler for the DB backend */
-static CalBackendOpenStatus
-cal_backend_db_open (CalBackend *backend, GnomeVFSURI *uri, gboolean only_if_exists)
-{
-	CalBackendDB *cbdb;
-	gchar *str_uri;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), CAL_BACKEND_OPEN_ERROR);
-	g_return_val_if_fail(cbdb->priv != NULL, CAL_BACKEND_OPEN_ERROR);
-	g_return_val_if_fail(uri != NULL, CAL_BACKEND_OPEN_ERROR);
-	g_return_val_if_fail(cbdb->priv->objects_db == NULL, CAL_BACKEND_OPEN_ERROR);
-
-	/* open the given URI */
-	if (!gnome_vfs_uri_is_local(uri))
-		return CAL_BACKEND_OPEN_ERROR;
-	str_uri = gnome_vfs_uri_to_string(uri,
-					  (GNOME_VFS_URI_HIDE_USER_NAME
-					   | GNOME_VFS_URI_HIDE_PASSWORD
-					   | GNOME_VFS_URI_HIDE_HOST_NAME
-					   | GNOME_VFS_URI_HIDE_HOST_PORT
-					   | GNOME_VFS_URI_HIDE_TOPLEVEL_METHOD));
-
-	/* open database file */
-	if (!open_database_file(cbdb, (const gchar *) str_uri, only_if_exists)) {
-		g_free((gpointer) str_uri);
-		return CAL_BACKEND_OPEN_ERROR;
-	}
-
-	gnome_vfs_uri_ref(uri);
-	cbdb->priv->uri = uri;
-	g_free((gpointer) str_uri);
-
-	return CAL_BACKEND_OPEN_SUCCESS;
-}
-
-/* is_loaded handler for the DB backend */
-static gboolean
-cal_backend_db_is_loaded (CalBackend *backend)
-{
-	CalBackendDB *cbdb;
-
-	cbdb = CAL_BACKEND_DB (backend);
-
-	return (cbdb->priv->uri != NULL);
-}
-
-/* get_n_objects handler for the DB backend */
-static int
-cal_backend_db_get_n_objects (CalBackend *backend, CalObjType type)
-{
-	CalBackendDB *cbdb;
-	CalBackendDBCursor *cursor;
-	int total_count = 0;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), -1);
-	g_return_val_if_fail(cbdb->priv != NULL, -1);
-
-	/* open the cursor */
-	cursor = open_cursor(cbdb, cbdb->priv->objects_db);
-	if (cursor) {
-		GList *node;
-
-		/* we traverse all data, to check for each object's type */
-		for (node = g_list_first(cursor->data); node != NULL; node = g_list_next(node)) {
-			icalcomponent *icalcomp;
-			DBT *data = (DBT *) node->data;
-
-			icalcomp = icalparser_parse_string((char *) data->data);
-			if (icalcomp) {
-				switch (icalcomponent_isa(icalcomp)) {
-					case ICAL_VEVENT_COMPONENT :
-						if (type & CALOBJ_TYPE_EVENT)
-							total_count++;
-						break;
-					case ICAL_VTODO_COMPONENT :
-						if (type & CALOBJ_TYPE_TODO)
-							total_count++;
-						break;
-					case ICAL_VJOURNAL_COMPONENT :
-						if (type & CALOBJ_TYPE_JOURNAL)
-							total_count++;
-						break;
-					default :
-						break;
-				}
-				icalcomponent_free(icalcomp);
-			}
-		}
-		close_cursor(cbdb, cursor);
-	}
-
-	return total_count;
-}
-
-/* get_object handler for the DB backend */
-static char *
-cal_backend_db_get_object (CalBackend *backend, const char *uid)
-{
-	CalBackendDB *cbdb;
-	gint ret;
-	DBT key;
-	DBT data;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(cbdb->priv != NULL, NULL);
-	g_return_val_if_fail(cbdb->priv->objects_db != NULL, NULL);
-	g_return_val_if_fail(uid != NULL, NULL);
-
-	memset(&key, 0, sizeof(key));
-	memset(&data, 0, sizeof(data));
-	key.data = (void *) uid;
-	key.size = strlen(uid); // + 1
-	
-	/* read record from database */
-	if ((ret = cbdb->priv->objects_db->get(cbdb->priv->objects_db,
-	                                       NULL,
-	                                       &key,
-	                                       &data,
-	                                       0)) == 0) {
-		gchar *str = g_strdup((gchar *) data.data);
-		return str;
-	}
-	
-	return NULL;
-}
-
-static GList *
-add_uid_if_match (GList *list, CalBackendDBCursor *cursor, GList *data_node, CalObjType type)
-{
-	DBT *data;
-
-	g_return_val_if_fail(cursor != NULL, list);
-	g_return_val_if_fail(data_node != NULL, list);
-	
-	data = (DBT *) data_node->data;
-	if (data) {
-		icalcomponent *icalcomp;
-		gchar *uid = NULL;
-
-		icalcomp = icalparser_parse_string(data->data);
-		if (!icalcomp) return list;
-
-		switch (icalcomponent_isa(icalcomp)) {
-			case ICAL_VEVENT_COMPONENT :
-				if (type & CALOBJ_TYPE_EVENT)
-					uid = (gchar *) icalcomponent_get_uid(icalcomp);
-				break;
-			case ICAL_VTODO_COMPONENT :
-				if (type & CALOBJ_TYPE_TODO)
-					uid = (gchar *) icalcomponent_get_uid(icalcomp);
-				break;
-			case ICAL_VJOURNAL_COMPONENT :
-				if (type & CALOBJ_TYPE_JOURNAL)
-					uid = (gchar *) icalcomponent_get_uid(icalcomp);
-				break;
-			default :
-				uid = NULL;
-		}
-
-		if (uid)
-			list = g_list_prepend(list, g_strdup(uid));
-		icalcomponent_free(icalcomp);
-	}
-
-	return list;
-}
-
-/* get_uids handler for the DB backend */
-static GList *
-cal_backend_db_get_uids (CalBackend *backend, CalObjType type)
-{
-	CalBackendDB *cbdb;
-	GList *list = NULL;
-	CalBackendDBCursor *cursor;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(cbdb->priv != NULL, NULL);
-	g_return_val_if_fail(cbdb->priv->objects_db != NULL, NULL);
-
-	/* open cursor */
-	cursor = open_cursor(cbdb, cbdb->priv->objects_db);
-	if (cursor) {
-		GList *node;
-
-		/* we traverse all data, to check for each object's type */
-		for (node = g_list_first(cursor->data); node != NULL; node = g_list_next(node)) {
-			list = add_uid_if_match(list, cursor, node, type);
-		}
-		close_cursor(cbdb, cursor);
-	}
-
-	return list;
-}
-
-/* callback used from cal_recur_generate_instances(): adds the component's UID to
- * our hash table
- */
-static gboolean
-add_instance (CalComponent *comp, time_t start, time_t end, gpointer data)
-{
-	GHashTable *uid_hash;
-	const char *uid;
-	const char *old_uid;
-
-	uid_hash = data;
-
-	cal_component_get_uid(comp, &uid);
-
-	old_uid = g_hash_table_lookup(uid_hash, uid);
-	if (old_uid)
-		return FALSE;
-
-	g_hash_table_insert(uid_hash, (char *) uid, NULL);
-	return FALSE;
-}
-
-/* creates the list of UIDs in the given range */
-static void
-get_instances_in_range (GHashTable *uid_hash,
-                        CalBackendDBCursor *cursor,
-                        CalObjType type,
-                        time_t start,
-                        time_t end)
-{
-	GList *node;
-
-	g_return_if_fail(uid_hash != NULL);
-	g_return_if_fail(cursor != NULL);
-
-	for (node = g_list_first(cursor->data); node != NULL; node = g_list_next(node)) {
-		DBT *data;
-		icalcomponent *icalcomp;
-
-		data = (DBT *) node->data;
-		if (data) {
-			icalcomp = icalparser_parse_string((char *) data->data);
-			if (icalcomp) {
-				CalComponent *comp = cal_component_new();
-				cal_component_set_icalcomponent(comp, icalcomp);
-
-				switch (icalcomponent_isa(icalcomp)) {
-					case ICAL_VEVENT_COMPONENT :
-						if (type & CALOBJ_TYPE_EVENT)
-							cal_recur_generate_instances(comp,
-							                             start,
-							                             end,
-							                             add_instance,
-							                             uid_hash);
-						break;
-					case ICAL_VTODO_COMPONENT :
-						if (type & CALOBJ_TYPE_TODO)
-							cal_recur_generate_instances(comp,
-							                             start,
-							                             end,
-							                             add_instance,
-						 	                            uid_hash);
-						break;
-					case ICAL_VJOURNAL_COMPONENT :
-						if (type & CALOBJ_TYPE_JOURNAL)
-							cal_recur_generate_instances(comp,
-							                             start,
-							                             end,
-							                             add_instance,
-						 	                            uid_hash);
-						break;
-					default :
-						break;
-				}
-
-				gtk_object_unref(GTK_OBJECT(comp));
-				icalcomponent_free(icalcomp);
-			}
-		}
-	}
-}
-
-/* callback used from g_hash_table_foreach: adds a UID from the hash table to our list */
-static void
-add_uid_to_list (gpointer key, gpointer value, gpointer data)
-{
-	GList **list;
-	const char *uid;
-
-	list = (GList **) data;
-
-	uid = (const char *) key;
-	*list = g_list_prepend(*list, (gpointer) g_strdup(uid));
-}
-
-/* get_objects_in_range handler for the DB backend */
-static GList *
-cal_backend_db_get_objects_in_range (CalBackend *backend,
-                                     CalObjType type,
-                                     time_t start,
-                                     time_t end)
-{
-	CalBackendDB *cbdb;
-	GList *list = NULL;
-	CalBackendDBCursor *cursor;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(cbdb->priv != NULL, NULL);
-
-	/* open cursor */
-	cursor = open_cursor(cbdb, cbdb->priv->objects_db);
-	if (cursor) {
-		GHashTable *uid_hash;
-
-		/* build the hash table */
-		uid_hash = g_hash_table_new(g_str_hash, g_str_equal);
-		get_instances_in_range(uid_hash, cursor, type, start, end);
-
-		/* build the list to be returned from the hash table */
-		g_hash_table_foreach(uid_hash, add_uid_to_list, &list);
-		g_hash_table_destroy(uid_hash);
-		
-		close_cursor(cbdb, cursor);
-	}
-	
-	return list;
-}
-
-/* get_free_busy handler for the DB backend */
-static char *
-cal_backend_db_get_free_busy (CalBackend *backend, time_t start, time_t end)
-{
-	return NULL;
-}
-
-/* get_changes handler for the DB backend */
-static GNOME_Evolution_Calendar_CalObjChangeSeq *
-cal_backend_db_get_changes (CalBackend *backend, CalObjType type, const char *change_id)
-{
-	CalBackendDB *cbdb;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(cbdb->priv != NULL, NULL);
-
-	return NULL;
-}
-
-/* retrieve list of alarms */
-static GSList *
-get_list_of_alarms (CalBackendDBCursor *cursor, time_t start, time_t end)
-{
-	GSList *list = NULL;
-	GList *node;
-
-	g_return_val_if_fail(cursor != NULL, NULL);
-	
-	for (node = g_list_first(cursor->data); node != NULL; node = g_list_next(node)) {
-		icalcomponent *icalcomp;
-		icalcomponent_kind kind;
-		DBT *data;
-		
-		data = (DBT *) node->data;
-		if (data) {
-			icalcomp = icalparser_parse_string((char *) data->data);
-			if (!icalcomp)
-				continue;
-
-			/* per RFC 2445, only VEVENTs and VTODOs can have alarms */
-			kind = icalcomponent_isa(icalcomp);
-			if (kind == ICAL_VEVENT_COMPONENT || kind == ICAL_VTODO_COMPONENT) {
-				CalComponent *comp;
-				CalComponentAlarms *alarms;
-					
-				/* create the CalComponent to compute the alarms */
-				comp = cal_component_new();
-				cal_component_set_icalcomponent(comp, icalcomp);
-					
-				alarms = cal_util_generate_alarms_for_comp (comp, start, end);
-				if (alarms)
-					list = g_slist_prepend(list, (gpointer) alarms);
-				
-				gtk_object_unref(GTK_OBJECT(comp));
-			}
-				
-			icalcomponent_free(icalcomp);
-		}
-	}
-
-	return list;
-}
-
-/* get_alarms_in_range handler for the DB backend */
-static GNOME_Evolution_Calendar_CalComponentAlarmsSeq *
-cal_backend_db_get_alarms_in_range (CalBackend *backend, time_t start, time_t end)
-{
-	CalBackendDB *cbdb;
-	CalBackendDBCursor *cursor;
-	gint number_of_alarms;
-	GSList *alarm_list;
-	GSList *node;
-	gint i;
-	GNOME_Evolution_Calendar_CalComponentAlarmsSeq *seq = NULL;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(cbdb->priv != NULL, NULL);
-	g_return_val_if_fail (start != -1 && end != -1, NULL);
-	g_return_val_if_fail (start <= end, NULL);
-
-	/* open cursor */
-	cursor = open_cursor(cbdb, cbdb->priv->objects_db);
-	if (cursor) {
-		alarm_list = get_list_of_alarms(cursor, start, end);
-		number_of_alarms = g_slist_length(alarm_list);
-		
-		/* create the CORBA sequence */
-		seq = GNOME_Evolution_Calendar_CalComponentAlarmsSeq__alloc();
-		CORBA_sequence_set_release(seq, TRUE);
-		seq->_length = number_of_alarms;
-		seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalComponentAlarms_allocbuf(
-			number_of_alarms);
-		
-		/* populate CORBA sequence */
-		for (node = alarm_list, i = 0; node != NULL; node = node->next, i++) {
-			CalComponentAlarms *alarms;
-			gchar *comp_str;
-			
-			alarms = (CalComponentAlarms *) node->data;
-			
-			comp_str = cal_component_get_as_string (alarms->comp);
-			seq->_buffer[i].calobj = CORBA_string_dup(comp_str);
-			g_free((gpointer) comp_str);
-
-			cal_backend_util_fill_alarm_instances_seq (&seq->_buffer[i].alarms,
-								   alarms->alarms);
-			
-			cal_component_alarms_free(alarms);
-		}
-		
-		g_slist_free(alarm_list);
-		close_cursor(cbdb, cursor);
-	}
-
-	return seq;
-}
-
-/* get_alarms_for_object handler for the DB backend */
-static GNOME_Evolution_Calendar_CalComponentAlarms *
-cal_backend_db_get_alarms_for_object (CalBackend *backend,
-                                      const char *uid,
-                                      time_t start,
-                                      time_t end,
-                                      gboolean *object_found)
-{
-	CalBackendDB *cbdb;
-	CalBackendDBCursor *cursor;
-	GNOME_Evolution_Calendar_CalComponentAlarms *corba_alarms = NULL;
-	DBT *data;
-	gchar *comp_str;
-	CalComponentAlarms *alarms;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
-	g_return_val_if_fail(cbdb->priv != NULL, NULL);
-	g_return_val_if_fail(uid != NULL, NULL);
-	g_return_val_if_fail(start != -1 && end != -1, NULL);
-	g_return_val_if_fail(start <= end, NULL);
-	g_return_val_if_fail(object_found != NULL, NULL);
-
-	*object_found = FALSE;
-
-	/* open the cursor */
-	cursor = open_cursor(cbdb, cbdb->priv->objects_db);
-	if (cursor) {
-		data = find_record_by_id(cursor, uid);
-		if (data) {
-			icalcomponent *icalcomp;
-			CalComponent *comp;
-			
-			*object_found = TRUE;
-
-			comp_str = (gchar *) data->data;
-			
-			icalcomp = icalparser_parse_string(comp_str);
-			if (!icalcomp) {
-				close_cursor(cbdb, cursor);
-				return NULL;
-			}
-			
-			comp = cal_component_new();
-			cal_component_set_icalcomponent(comp, icalcomp);
-						
-			/* create the CORBA alarms */
-			corba_alarms = GNOME_Evolution_Calendar_CalComponentAlarms__alloc();
-			corba_alarms->calobj = CORBA_string_dup (comp_str);
-			
-			/* populate the CORBA sequence */
-			alarms = generate_alarms_for_comp(comp, start, end);
-			if (alarms) {
-				cal_backend_util_fill_alarm_instances_seq (&corba_alarms->alarms,
-									   alarms->alarms);
-				cal_component_alarms_free(alarms);
-			}
-			else
-				cal_backend_fill_alarm_instances_seq (&corba_alarms->alarms, NULL);
-
-			gtk_object_unref(GTK_OBJECT(comp));
-			icalcomponent_free(icalcomp);
-		}
-		
-		close_cursor(cbdb, cursor);
-	}
-
-	return corba_alarms;
-}
-
-/* do notifications to Cal clients */
-static void
-do_notify (CalBackendDB *cbdb, void (*notify_fn)(Cal *, gchar *), const gchar *uid)
-{
-	GList *node;
-
-	g_return_if_fail(IS_CAL_BACKEND_DB(cbdb));
-	g_return_if_fail(cbdb->priv != NULL);
-	g_return_if_fail(notify_fn != NULL);
-	g_return_if_fail(uid != NULL);
-	
-	/* FIXME: do notification asynchronously */
-	for (node = g_list_first(cbdb->priv->clients); node != NULL; node = g_list_next(node)) {
-		Cal *cal;
-		
-		cal = CAL(node->data);
-		(*notify_fn)(cal, (gpointer) uid);
-	}
-}
-
-/* adds a record to the history database */
-static gboolean
-add_history (CalBackendDB *cbdb, DB_TXN *tid, const gchar *uid, const gchar *calobj)
-{
-	DBT key;
-	DBT new_data;
-	gint ret;
-
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE);
-	g_return_val_if_fail(uid != NULL, FALSE);
-	g_return_val_if_fail(calobj != NULL, FALSE);
-
-	/* fill in DBT structures */
-	memset(&key, 0, sizeof(key));
-	key.data = (void *) uid;
-	key.size = strlen(uid); // + 1
-
-	memset(&new_data, 0, sizeof(new_data));
-	new_data.data = (void *) calobj;
-	new_data.size = strlen(calobj); // + 1
-
-	/* add the new record to the database */
-	if ((ret = cbdb->priv->history_db->put(cbdb->priv->objects_db,
-	                                       tid,
-	                                       &key,
-	                                       &new_data,
-	                                       0)) != 0) {
-		return FALSE;
-	}
-
-	return TRUE;
-}
-
-/* update_object handler for the DB backend */
-static gboolean
-cal_backend_db_update_object (CalBackend *backend, const char *uid, const char *calobj)
-{
-	CalBackendDB *cbdb;
-	DB_TXN *tid;
-	DBT key;
-	DBT new_data;
-	gint ret;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE);
-	g_return_val_if_fail(cbdb->priv != NULL, FALSE);
-	g_return_val_if_fail(cbdb->priv->objects_db != NULL, FALSE);
-	g_return_val_if_fail(uid != NULL, FALSE);
-	g_return_val_if_fail(calobj != NULL, FALSE);
-
-	/* start transaction */
-	tid = begin_transaction(cbdb);
-	if (!tid)
-		return FALSE;
-	
-	memset(&key, 0, sizeof(key));
-	key.data = (void *) uid;
-	key.size = strlen(uid); // + 1
-		
-	memset(&new_data, 0, sizeof(new_data));
-	new_data.data = (void *) calobj;
-	new_data.size = strlen(calobj); // + 1
-		
-	if ((ret = cbdb->priv->objects_db->put(cbdb->priv->objects_db,
-	                                       tid,
-	                                       &key,
-	                                       &new_data,
-	                                       0)) != 0) {
-		rollback_transaction(tid);
-		return FALSE;
-	}
-			
-	if (!add_history(cbdb, tid, uid, calobj)) {
-		rollback_transaction(tid);
-		return FALSE;
-	}
-	commit_transaction(tid);
-
-	cal_backend_obj_updated (CAL_BACKEND (cbdb), uid);
-	do_notify(cbdb, cal_notify_update, uid);
-	return TRUE;
-}
-
-/* remove_object handler for the DB backend */
-static gboolean
-cal_backend_db_remove_object (CalBackend *backend, const char *uid)
-{
-	CalBackendDB *cbdb;
-	DB_TXN *tid;
-	DBT key;
-	gint ret;
-
-	cbdb = CAL_BACKEND_DB(backend);
-	g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE);
-	g_return_val_if_fail(cbdb->priv != NULL, FALSE);
-	g_return_val_if_fail(uid != NULL, FALSE);
-	
-	memset(&key, 0, sizeof(key));
-	key.data = (void *) uid;
-	key.size = strlen(uid); // + 1
-
-	/* start transaction */
-	tid = begin_transaction(cbdb);
-	if (!tid)
-		return FALSE;
-
-	/* remove record from database */
-	if ((ret = cbdb->priv->objects_db->del(cbdb->priv->objects_db, tid, &key, 0)) != 0) {
-		rollback_transaction(tid);
-		return FALSE;
-	}
-			
-	/* TODO: update history database */
-	commit_transaction(tid);
-	
-	cal_backend_obj_removed (CAL_BACKEND (cbdb), uid);
-	do_notify(cbdb, cal_notify_remove, uid);
-			
-	return TRUE;
-}
diff --git a/calendar/pcs/cal-backend-db.h b/calendar/pcs/cal-backend-db.h
deleted file mode 100644
index 0ed09f5ec6..0000000000
--- a/calendar/pcs/cal-backend-db.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Evolution calendar - iCalendar DB backend
- *
- * Copyright (C) 2001 Ximian, Inc.
- *
- * Author: Rodrigo Moya <rodrigo@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef CAL_BACKEND_DB_H
-#define CAL_BACKEND_DB_H
-
-#include "cal-backend.h"
-
-BEGIN_GNOME_DECLS
-
-#define CAL_BACKEND_DB_TYPE            (cal_backend_db_get_type ())
-#define CAL_BACKEND_DB(obj)            (GTK_CHECK_CAST ((obj), CAL_BACKEND_DB_TYPE,		\
-					  CalBackendDB))
-#define CAL_BACKEND_DB_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), CAL_BACKEND_DB_TYPE,	\
-					  CalBackendDBClass))
-#define IS_CAL_BACKEND_DB(obj)         (GTK_CHECK_TYPE ((obj), CAL_BACKEND_DB_TYPE))
-#define IS_CAL_BACKEND_DB_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_BACKEND_DB_TYPE))
-
-typedef struct _CalBackendDB CalBackendDB;
-typedef struct _CalBackendDBClass CalBackendDBClass;
-
-typedef struct _CalBackendDBPrivate CalBackendDBPrivate;
-
-struct _CalBackendDB {
-	CalBackend backend;
-
-	/* Private data */
-	CalBackendDBPrivate *priv;
-};
-
-struct _CalBackendDBClass {
-	CalBackendClass parent_class;
-};
-
-GtkType cal_backend_db_get_type (void);
-
-END_GNOME_DECLS
-
-#endif
diff --git a/calendar/pcs/cal-backend-file.c b/calendar/pcs/cal-backend-file.c
deleted file mode 100644
index 424912e87b..0000000000
--- a/calendar/pcs/cal-backend-file.c
+++ /dev/null
@@ -1,1932 +0,0 @@
-/* Evolution calendar - iCalendar file backend
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Authors: Federico Mena-Quintero <federico@ximian.com>
- *          Rodrigo Moya <rodrigo@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <config.h>
-#include <gtk/gtksignal.h>
-#include <bonobo/bonobo-exception.h>
-#include <bonobo/bonobo-moniker-util.h>
-#include <libgnomevfs/gnome-vfs.h>
-#include "e-util/e-dbhash.h"
-#include "cal-util/cal-recur.h"
-#include "cal-util/cal-util.h"
-#include "cal-backend-file.h"
-#include "cal-backend-util.h"
-
-
-
-/* A category that exists in some of the objects of the calendar */
-typedef struct {
-	/* Category name, also used as the key in the categories hash table */
-	char *name;
-
-	/* Number of objects that have this category */
-	int refcount;
-} Category;
-
-/* Private part of the CalBackendFile structure */
-struct _CalBackendFilePrivate {
-	/* URI where the calendar data is stored */
-	char *uri;
-
-	/* List of Cal objects with their listeners */
-	GList *clients;
-
-	/* Toplevel VCALENDAR component */
-	icalcomponent *icalcomp;
-
-	/* All the CalComponent objects in the calendar, hashed by UID.  The
-	 * hash key *is* the uid returned by cal_component_get_uid(); it is not
-	 * copied, so don't free it when you remove an object from the hash
-	 * table.
-	 */
-	GHashTable *comp_uid_hash;
-
-	/* All event, to-do, and journal components in the calendar; they are
-	 * here just for easy access (i.e. so that you don't have to iterate
-	 * over the comp_uid_hash).  If you need *all* the components in the
-	 * calendar, iterate over the hash instead.
-	 */
-	GList *events;
-	GList *todos;
-	GList *journals;
-
-	/* Hash table of live categories, and a temporary hash of removed categories */
-	GHashTable *categories;
-	GHashTable *removed_categories;
-
-	/* Config database handle for free/busy organizer information */
-	Bonobo_ConfigDatabase db;
-	
-	/* Idle handler for saving the calendar when it is dirty */
-	guint idle_id;
-
-	/* The calendar's default timezone, used for resolving DATE and
-	   floating DATE-TIME values. */
-	icaltimezone *default_zone;
-};
-
-
-
-static void cal_backend_file_class_init (CalBackendFileClass *class);
-static void cal_backend_file_init (CalBackendFile *cbfile);
-static void cal_backend_file_destroy (GtkObject *object);
-
-static const char *cal_backend_file_get_uri (CalBackend *backend);
-static CalBackendOpenStatus cal_backend_file_open (CalBackend *backend,
-						   const char *uristr,
-						   gboolean only_if_exists);
-static gboolean cal_backend_file_is_loaded (CalBackend *backend);
-
-static CalMode cal_backend_file_get_mode (CalBackend *backend);
-static void cal_backend_file_set_mode (CalBackend *backend, CalMode mode);
-
-static int cal_backend_file_get_n_objects (CalBackend *backend, CalObjType type);
-static char *cal_backend_file_get_object (CalBackend *backend, const char *uid);
-static CalComponent *cal_backend_file_get_object_component (CalBackend *backend, const char *uid);
-static char *cal_backend_file_get_timezone_object (CalBackend *backend, const char *tzid);
-static GList *cal_backend_file_get_uids (CalBackend *backend, CalObjType type);
-static GList *cal_backend_file_get_objects_in_range (CalBackend *backend, CalObjType type,
-						     time_t start, time_t end);
-static GList *cal_backend_file_get_free_busy (CalBackend *backend, GList *users, time_t start, time_t end);
-static GNOME_Evolution_Calendar_CalObjChangeSeq *cal_backend_file_get_changes (
-	CalBackend *backend, CalObjType type, const char *change_id);
-
-static GNOME_Evolution_Calendar_CalComponentAlarmsSeq *cal_backend_file_get_alarms_in_range (
-	CalBackend *backend, time_t start, time_t end);
-
-static GNOME_Evolution_Calendar_CalComponentAlarms *cal_backend_file_get_alarms_for_object (
-	CalBackend *backend, const char *uid,
-	time_t start, time_t end, gboolean *object_found);
-
-static gboolean cal_backend_file_update_objects (CalBackend *backend, const char *calobj);
-static gboolean cal_backend_file_remove_object (CalBackend *backend, const char *uid);
-
-static icaltimezone* cal_backend_file_get_timezone (CalBackend *backend, const char *tzid);
-static icaltimezone* cal_backend_file_get_default_timezone (CalBackend *backend);
-static gboolean cal_backend_file_set_default_timezone (CalBackend *backend,
-						       const char *tzid);
-
-static void notify_categories_changed (CalBackendFile *cbfile);
-
-static CalBackendClass *parent_class;
-
-
-
-/**
- * cal_backend_file_get_type:
- * @void: 
- * 
- * Registers the #CalBackendFile class if necessary, and returns the type ID
- * associated to it.
- * 
- * Return value: The type ID of the #CalBackendFile class.
- **/
-GtkType
-cal_backend_file_get_type (void)
-{
-	static GtkType cal_backend_file_type = 0;
-
-	if (!cal_backend_file_type) {
-		static const GtkTypeInfo cal_backend_file_info = {
-			"CalBackendFile",
-			sizeof (CalBackendFile),
-			sizeof (CalBackendFileClass),
-			(GtkClassInitFunc) cal_backend_file_class_init,
-			(GtkObjectInitFunc) cal_backend_file_init,
-			NULL, /* reserved_1 */
-			NULL, /* reserved_2 */
-			(GtkClassInitFunc) NULL
-		};
-
-		cal_backend_file_type = gtk_type_unique (CAL_BACKEND_TYPE, &cal_backend_file_info);
-	}
-
-	return cal_backend_file_type;
-}
-
-/* Class initialization function for the file backend */
-static void
-cal_backend_file_class_init (CalBackendFileClass *class)
-{
-	GtkObjectClass *object_class;
-	CalBackendClass *backend_class;
-
-	object_class = (GtkObjectClass *) class;
-	backend_class = (CalBackendClass *) class;
-
-	parent_class = gtk_type_class (CAL_BACKEND_TYPE);
-
-	object_class->destroy = cal_backend_file_destroy;
-
-	backend_class->get_uri = cal_backend_file_get_uri;
-	backend_class->open = cal_backend_file_open;
-	backend_class->is_loaded = cal_backend_file_is_loaded;
-	backend_class->get_mode = cal_backend_file_get_mode;
-	backend_class->set_mode = cal_backend_file_set_mode;	
-	backend_class->get_n_objects = cal_backend_file_get_n_objects;
-	backend_class->get_object = cal_backend_file_get_object;
-	backend_class->get_object_component = cal_backend_file_get_object_component;
-	backend_class->get_timezone_object = cal_backend_file_get_timezone_object;
-	backend_class->get_uids = cal_backend_file_get_uids;
-	backend_class->get_objects_in_range = cal_backend_file_get_objects_in_range;
-	backend_class->get_free_busy = cal_backend_file_get_free_busy;
-	backend_class->get_changes = cal_backend_file_get_changes;
-	backend_class->get_alarms_in_range = cal_backend_file_get_alarms_in_range;
-	backend_class->get_alarms_for_object = cal_backend_file_get_alarms_for_object;
-	backend_class->update_objects = cal_backend_file_update_objects;
-	backend_class->remove_object = cal_backend_file_remove_object;
-
-	backend_class->get_timezone = cal_backend_file_get_timezone;
-	backend_class->get_default_timezone = cal_backend_file_get_default_timezone;
-	backend_class->set_default_timezone = cal_backend_file_set_default_timezone;
-}
-
-static Bonobo_ConfigDatabase
-load_db (void)
-{
-	Bonobo_ConfigDatabase db = CORBA_OBJECT_NIL;
-	CORBA_Environment ev;
-
-	CORBA_exception_init (&ev);
- 
-	db = bonobo_get_object ("wombat:", "Bonobo/ConfigDatabase", &ev);
-	
-	if (BONOBO_EX (&ev))
-		db = CORBA_OBJECT_NIL;
-		
-	CORBA_exception_free (&ev);
-
-	return db;
-}
-
-static void
-cal_added_cb (CalBackend *backend, gpointer user_data)
-{
-	notify_categories_changed (CAL_BACKEND_FILE (backend));
-}
-
-/* Object initialization function for the file backend */
-static void
-cal_backend_file_init (CalBackendFile *cbfile)
-{
-	CalBackendFilePrivate *priv;
-
-	priv = g_new0 (CalBackendFilePrivate, 1);
-	cbfile->priv = priv;
-
-	priv->uri = NULL;
-	priv->icalcomp = NULL;
-	priv->comp_uid_hash = NULL;
-	priv->events = NULL;
-	priv->todos = NULL;
-	priv->journals = NULL;
-
-	priv->categories = g_hash_table_new (g_str_hash, g_str_equal);
-	priv->removed_categories = g_hash_table_new (g_str_hash, g_str_equal);
-
-	/* The timezone defaults to UTC. */
-	priv->default_zone = icaltimezone_get_utc_timezone ();
-
-	priv->db = load_db ();
-	
-	gtk_signal_connect (GTK_OBJECT (cbfile), "cal_added",
-			    GTK_SIGNAL_FUNC (cal_added_cb), NULL);
-}
-
-/* g_hash_table_foreach() callback to destroy a CalComponent */
-static void
-free_cal_component (gpointer key, gpointer value, gpointer data)
-{
-	CalComponent *comp;
-
-	comp = CAL_COMPONENT (value);
-	gtk_object_unref (GTK_OBJECT (comp));
-}
-
-/* Saves the calendar data */
-static void
-save (CalBackendFile *cbfile)
-{
-	CalBackendFilePrivate *priv;
-	GnomeVFSURI *uri;
-	GnomeVFSHandle *handle = NULL;
-	GnomeVFSResult result;
-	GnomeVFSFileSize out;
-	gchar *tmp;
-	char *buf;
-	
-	priv = cbfile->priv;
-	g_assert (priv->uri != NULL);
-	g_assert (priv->icalcomp != NULL);
-
-	uri = gnome_vfs_uri_new (priv->uri);
-
-	/* Make a backup copy of the file if it exists */
-	tmp = gnome_vfs_uri_to_string (uri, GNOME_VFS_URI_HIDE_NONE);
-	if (tmp) {
-		GnomeVFSURI *backup_uri;
-		gchar *backup_uristr;
-		
-		backup_uristr = g_strconcat (tmp, "~", NULL);
-		backup_uri = gnome_vfs_uri_new (backup_uristr);
-		
-		result = gnome_vfs_move_uri (uri, backup_uri, TRUE);
-		gnome_vfs_uri_unref (backup_uri);
-		
-		g_free (tmp);
-		g_free (backup_uristr);
-	}
-	
-	/* Now write the new file out */
-	result = gnome_vfs_create_uri (&handle, uri, 
-				       GNOME_VFS_OPEN_WRITE,
-				       FALSE, 0666);
-	
-	if (result != GNOME_VFS_OK)
-		goto error;
-	
-	buf = icalcomponent_as_ical_string (priv->icalcomp);
-	result = gnome_vfs_write (handle, buf, strlen (buf) * sizeof (char), &out);
-
-	if (result != GNOME_VFS_OK)
-		goto error;
-
-	gnome_vfs_close (handle);
-	gnome_vfs_uri_unref (uri);
-
-	return;
-	
- error:
-	g_warning ("Error writing calendar file.");
-	return;
-}
-
-/* Used from g_hash_table_foreach(), frees a Category structure */
-static void
-free_category_cb (gpointer key, gpointer value, gpointer data)
-{
-	Category *c;
-
-	c = value;
-	g_free (c->name);
-	g_free (c);
-}
-
-/* Destroy handler for the file backend */
-static void
-cal_backend_file_destroy (GtkObject *object)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	GList *clients;
-
-	g_return_if_fail (object != NULL);
-	g_return_if_fail (IS_CAL_BACKEND_FILE (object));
-
-	cbfile = CAL_BACKEND_FILE (object);
-	priv = cbfile->priv;
-
-	clients = CAL_BACKEND (cbfile)->clients;
-	g_assert (clients == NULL);
-
-	/* Save if necessary */
-
-	if (priv->idle_id != 0) {
-		save (cbfile);
-		g_source_remove (priv->idle_id);
-		priv->idle_id = 0;
-	}
-
-	/* Clean up */
-
-	if (priv->uri) {
-	        g_free (priv->uri);
-		priv->uri = NULL;
-	}
-
-	if (priv->comp_uid_hash) {
-		g_hash_table_foreach (priv->comp_uid_hash, 
-				      free_cal_component, NULL);
-		g_hash_table_destroy (priv->comp_uid_hash);
-		priv->comp_uid_hash = NULL;
-	}
-
-	g_list_free (priv->events);
-	g_list_free (priv->todos);
-	g_list_free (priv->journals);
-	priv->events = NULL;
-	priv->todos = NULL;
-	priv->journals = NULL;
-
-	g_hash_table_foreach (priv->categories, free_category_cb, NULL);
-	g_hash_table_destroy (priv->categories);
-	priv->categories = NULL;
-
-	g_hash_table_foreach (priv->removed_categories, free_category_cb, NULL);
-	g_hash_table_destroy (priv->removed_categories);
-	priv->removed_categories = NULL;
-
-	if (priv->icalcomp) {
-		icalcomponent_free (priv->icalcomp);
-		priv->icalcomp = NULL;
-	}
-
-	bonobo_object_release_unref (priv->db, NULL);
-	priv->db = CORBA_OBJECT_NIL;
-	
-	g_free (priv);
-	cbfile->priv = NULL;
-
-	if (GTK_OBJECT_CLASS (parent_class)->destroy)
-		(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-
-
-/* Looks up a component by its UID on the backend's component hash table */
-static CalComponent *
-lookup_component (CalBackendFile *cbfile, const char *uid)
-{
-	CalBackendFilePrivate *priv;
-	CalComponent *comp;
-
-	priv = cbfile->priv;
-
-	comp = g_hash_table_lookup (priv->comp_uid_hash, uid);
-
-	return comp;
-}
-
-
-
-/* Calendar backend methods */
-
-/* Get_uri handler for the file backend */
-static const char *
-cal_backend_file_get_uri (CalBackend *backend)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-	g_assert (priv->uri != NULL);
-
-	return (const char *) priv->uri;
-}
-
-/* Used from g_hash_table_foreach(), adds a category name to the sequence */
-static void
-add_category_cb (gpointer key, gpointer value, gpointer data)
-{
-	Category *c;
-	GNOME_Evolution_Calendar_StringSeq *seq;
-
-	c = value;
-	seq = data;
-
-	seq->_buffer[seq->_length] = CORBA_string_dup (c->name);
-	seq->_length++;
-}
-
-/* Notifies the clients with the current list of categories */
-static void
-notify_categories_changed (CalBackendFile *cbfile)
-{
-	CalBackendFilePrivate *priv;
-	GNOME_Evolution_Calendar_StringSeq *seq;
-	GList *l;
-
-	priv = cbfile->priv;
-
-	/* Build the sequence of category names */
-
-	seq = GNOME_Evolution_Calendar_StringSeq__alloc ();
-	seq->_length = 0;
-	seq->_maximum = g_hash_table_size (priv->categories);
-	seq->_buffer = CORBA_sequence_CORBA_string_allocbuf (seq->_maximum);
-	CORBA_sequence_set_release (seq, TRUE);
-
-	g_hash_table_foreach (priv->categories, add_category_cb, seq);
-	g_assert (seq->_length == seq->_maximum);
-
-	/* Notify the clients */
-
-	for (l = CAL_BACKEND (cbfile)->clients; l; l = l->next) {
-		Cal *cal;
-
-		cal = CAL (l->data);
-		cal_notify_categories_changed (cal, seq);
-	}
-
-	CORBA_free (seq);
-}
-
-/* Idle handler; we save the calendar since it is dirty */
-static gboolean
-save_idle (gpointer data)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-
-	cbfile = CAL_BACKEND_FILE (data);
-	priv = cbfile->priv;
-
-	g_assert (priv->icalcomp != NULL);
-
-	save (cbfile);
-
-	priv->idle_id = 0;
-	return FALSE;
-}
-
-/* Marks the file backend as dirty and queues a save operation */
-static void
-mark_dirty (CalBackendFile *cbfile)
-{
-	CalBackendFilePrivate *priv;
-
-	priv = cbfile->priv;
-
-	if (priv->idle_id != 0)
-		return;
-
-	priv->idle_id = g_idle_add (save_idle, cbfile);
-}
-
-/* Checks if the specified component has a duplicated UID and if so changes it */
-static void
-check_dup_uid (CalBackendFile *cbfile, CalComponent *comp)
-{
-	CalBackendFilePrivate *priv;
-	CalComponent *old_comp;
-	const char *uid;
-	char *new_uid;
-
-	priv = cbfile->priv;
-
-	cal_component_get_uid (comp, &uid);
-
-	old_comp = g_hash_table_lookup (priv->comp_uid_hash, uid);
-	if (!old_comp)
-		return; /* Everything is fine */
-
-	g_message ("check_dup_uid(): Got object with duplicated UID `%s', changing it...", uid);
-
-	new_uid = cal_component_gen_uid ();
-	cal_component_set_uid (comp, new_uid);
-	g_free (new_uid);
-
-	/* FIXME: I think we need to reset the SEQUENCE property and reset the
-	 * CREATED/DTSTAMP/LAST-MODIFIED.
-	 */
-
-	mark_dirty (cbfile);
-}
-
-/* Updates the hash table of categories by adding or removing those in the
- * component.
- */
-static void
-update_categories_from_comp (CalBackendFile *cbfile, CalComponent *comp, gboolean add)
-{
-	CalBackendFilePrivate *priv;
-	GSList *categories, *l;
-
-	priv = cbfile->priv;
-
-	cal_component_get_categories_list (comp, &categories);
-
-	for (l = categories; l; l = l->next) {
-		const char *name;
-		Category *c;
-
-		name = l->data;
-		c = g_hash_table_lookup (priv->categories, name);
-
-		if (add) {
-			/* Add the category to the set */
-			if (c)
-				c->refcount++;
-			else {
-				/* See if it was in the removed categories */
-
-				c = g_hash_table_lookup (priv->removed_categories, name);
-				if (c) {
-					/* Move it to the set of live categories */
-					g_assert (c->refcount == 0);
-					g_hash_table_remove (priv->removed_categories, c->name);
-
-					c->refcount = 1;
-					g_hash_table_insert (priv->categories, c->name, c);
-				} else {
-					/* Create a new category */
-					c = g_new (Category, 1);
-					c->name = g_strdup (name);
-					c->refcount = 1;
-
-					g_hash_table_insert (priv->categories, c->name, c);
-				}
-			}
-		} else {
-			/* Remove the category from the set --- it *must* have existed */
-
-			g_assert (c != NULL);
-			g_assert (c->refcount > 0);
-
-			c->refcount--;
-
-			if (c->refcount == 0) {
-				g_hash_table_remove (priv->categories, c->name);
-				g_hash_table_insert (priv->removed_categories, c->name, c);
-			}
-		}
-	}
-
-	cal_component_free_categories_list (categories);
-}
-
-/* Tries to add an icalcomponent to the file backend.  We only store the objects
- * of the types we support; all others just remain in the toplevel component so
- * that we don't lose them.
- */
-static void
-add_component (CalBackendFile *cbfile, CalComponent *comp, gboolean add_to_toplevel)
-{
-	CalBackendFilePrivate *priv;
-	GList **list;
-	const char *uid;
-
-	priv = cbfile->priv;
-
-	switch (cal_component_get_vtype (comp)) {
-	case CAL_COMPONENT_EVENT:
-		list = &priv->events;
-		break;
-
-	case CAL_COMPONENT_TODO:
-		list = &priv->todos;
-		break;
-
-	case CAL_COMPONENT_JOURNAL:
-		list = &priv->journals;
-		break;
-
-	default:
-		g_assert_not_reached ();
-		return;
-	}
-
-	/* Ensure that the UID is unique; some broken implementations spit
-	 * components with duplicated UIDs.
-	 */
-	check_dup_uid (cbfile, comp);
-	cal_component_get_uid (comp, &uid);
-	g_hash_table_insert (priv->comp_uid_hash, (char *)uid, comp);
-
-	*list = g_list_prepend (*list, comp);
-
-	/* Put the object in the toplevel component if required */
-
-	if (add_to_toplevel) {
-		icalcomponent *icalcomp;
-
-		icalcomp = cal_component_get_icalcomponent (comp);
-		g_assert (icalcomp != NULL);
-
-		icalcomponent_add_component (priv->icalcomp, icalcomp);
-	}
-
-	/* Update the set of categories */
-
-	update_categories_from_comp (cbfile, comp, TRUE);
-}
-
-/* Removes a component from the backend's hash and lists.  Does not perform
- * notification on the clients.  Also removes the component from the toplevel
- * icalcomponent.
- */
-static void
-remove_component (CalBackendFile *cbfile, CalComponent *comp)
-{
-	CalBackendFilePrivate *priv;
-	icalcomponent *icalcomp;
-	const char *uid;
-	GList **list, *l;
-
-	priv = cbfile->priv;
-
-	/* Remove the icalcomp from the toplevel */
-
-	icalcomp = cal_component_get_icalcomponent (comp);
-	g_assert (icalcomp != NULL);
-
-	icalcomponent_remove_component (priv->icalcomp, icalcomp);
-
-	/* Remove it from our mapping */
-
-	cal_component_get_uid (comp, &uid);
-	g_hash_table_remove (priv->comp_uid_hash, uid);
-	
-	switch (cal_component_get_vtype (comp)) {
-	case CAL_COMPONENT_EVENT:
-		list = &priv->events;
-		break;
-
-	case CAL_COMPONENT_TODO:
-		list = &priv->todos;
-		break;
-
-	case CAL_COMPONENT_JOURNAL:
-		list = &priv->journals;
-		break;
-
-	default:
-                /* Make the compiler shut up. */
-	        list = NULL;
-		g_assert_not_reached ();
-	}
-
-	l = g_list_find (*list, comp);
-	g_assert (l != NULL);
-
-	*list = g_list_remove_link (*list, l);
-	g_list_free_1 (l);
-
-	/* Update the set of categories */
-
-	update_categories_from_comp (cbfile, comp, FALSE);
-
-	gtk_object_unref (GTK_OBJECT (comp));
-}
-
-/* Scans the toplevel VCALENDAR component and stores the objects it finds */
-static void
-scan_vcalendar (CalBackendFile *cbfile)
-{
-	CalBackendFilePrivate *priv;
-	icalcompiter iter;
-
-	priv = cbfile->priv;
-	g_assert (priv->icalcomp != NULL);
-	g_assert (priv->comp_uid_hash != NULL);
-
-	for (iter = icalcomponent_begin_component (priv->icalcomp, ICAL_ANY_COMPONENT);
-	     icalcompiter_deref (&iter) != NULL;
-	     icalcompiter_next (&iter)) {
-		icalcomponent *icalcomp;
-		icalcomponent_kind kind;
-		CalComponent *comp;
-
-		icalcomp = icalcompiter_deref (&iter);
-		
-		kind = icalcomponent_isa (icalcomp);
-
-		if (!(kind == ICAL_VEVENT_COMPONENT
-		      || kind == ICAL_VTODO_COMPONENT
-		      || kind == ICAL_VJOURNAL_COMPONENT))
-			continue;
-
-		comp = cal_component_new ();
-
-		if (!cal_component_set_icalcomponent (comp, icalcomp))
-			continue;
-
-		add_component (cbfile, comp, FALSE);
-	}
-}
-
-/* Callback used from icalparser_parse() */
-static char *
-get_line_fn (char *s, size_t size, void *data)
-{
-	FILE *file;
-
-	file = data;
-	return fgets (s, size, file);
-}
-
-/* Parses an open iCalendar file and returns a toplevel component with the contents */
-static icalcomponent *
-parse_file (FILE *file)
-{
-	icalparser *parser;
-	icalcomponent *icalcomp;
-
-	parser = icalparser_new ();
-	icalparser_set_gen_data (parser, file);
-
-	icalcomp = icalparser_parse (parser, get_line_fn);
-	icalparser_free (parser);
-
-	return icalcomp;
-}
-
-/* Parses an open iCalendar file and loads it into the backend */
-static CalBackendOpenStatus
-open_cal (CalBackendFile *cbfile, const char *uristr, FILE *file)
-{
-	CalBackendFilePrivate *priv;
-	icalcomponent *icalcomp;
-
-	priv = cbfile->priv;
-
-	icalcomp = parse_file (file);
-
-	if (fclose (file) != 0) {
-		if (icalcomp)
-			icalcomponent_free (icalcomp);
-
-		return CAL_BACKEND_OPEN_ERROR;
-	}
-
-	if (!icalcomp)
-		return CAL_BACKEND_OPEN_ERROR;
-		
-	/* FIXME: should we try to demangle XROOT components and
-	 * individual components as well?
-	 */
-
-	if (icalcomponent_isa (icalcomp) != ICAL_VCALENDAR_COMPONENT) {
-		icalcomponent_free (icalcomp);
-		return CAL_BACKEND_OPEN_ERROR;
-	}
-
-	priv->icalcomp = icalcomp;
-
-	priv->comp_uid_hash = g_hash_table_new (g_str_hash, g_str_equal);
-	scan_vcalendar (cbfile);
-
-	priv->uri = g_strdup (uristr);
-
-	return CAL_BACKEND_OPEN_SUCCESS;
-}
-
-static CalBackendOpenStatus
-create_cal (CalBackendFile *cbfile, const char *uristr)
-{
-	CalBackendFilePrivate *priv;
-
-	priv = cbfile->priv;
-
-	/* Create the new calendar information */
-	priv->icalcomp = cal_util_new_top_level ();
-
-	/* Create our internal data */
-	priv->comp_uid_hash = g_hash_table_new (g_str_hash, g_str_equal);
-
-	priv->uri = g_strdup (uristr);
-
-	mark_dirty (cbfile);
-
-	return CAL_BACKEND_OPEN_SUCCESS;
-}
-
-/* Open handler for the file backend */
-static CalBackendOpenStatus
-cal_backend_file_open (CalBackend *backend, const char *uristr, gboolean only_if_exists)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	FILE *file;
-	char *str_uri;
-	GnomeVFSURI *uri;
-	CalBackendOpenStatus status;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp == NULL, CAL_BACKEND_OPEN_ERROR);
-	g_return_val_if_fail (uristr != NULL, CAL_BACKEND_OPEN_ERROR);
-
-	g_assert (priv->uri == NULL);
-	g_assert (priv->comp_uid_hash == NULL);
-
-	uri = gnome_vfs_uri_new (uristr);
-	if (!uri)
-		return CAL_BACKEND_OPEN_ERROR;
-
-	if (!gnome_vfs_uri_is_local (uri)) {
-		gnome_vfs_uri_unref (uri);
-		return CAL_BACKEND_OPEN_ERROR;
-	}
-
-	str_uri = gnome_vfs_uri_to_string (uri,
-					   (GNOME_VFS_URI_HIDE_USER_NAME
-					    | GNOME_VFS_URI_HIDE_PASSWORD
-					    | GNOME_VFS_URI_HIDE_HOST_NAME
-					    | GNOME_VFS_URI_HIDE_HOST_PORT
-					    | GNOME_VFS_URI_HIDE_TOPLEVEL_METHOD));
-
-	/* Load! */
-	file = fopen (str_uri, "r");
-
-	if (file)
-		status = open_cal (cbfile, str_uri, file);
-	else {
-		if (only_if_exists)
-			status = CAL_BACKEND_OPEN_NOT_FOUND;
-		else
-			status = create_cal (cbfile, str_uri);
-	}
-
-	g_free (str_uri);
-	gnome_vfs_uri_unref (uri);
-
-	return status;
-}
-
-/* is_loaded handler for the file backend */
-static gboolean
-cal_backend_file_is_loaded (CalBackend *backend)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	return (priv->icalcomp != NULL);
-}
-
-/* is_remote handler for the file backend */
-static CalMode
-cal_backend_file_get_mode (CalBackend *backend)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	return CAL_MODE_LOCAL;	
-}
-
-static void
-notify_mode (CalBackendFile *cbfile, 
-	     GNOME_Evolution_Calendar_Listener_SetModeStatus status, 
-	     GNOME_Evolution_Calendar_CalMode mode)
-{
-	CalBackendFilePrivate *priv;
-	GList *l;
-
-	priv = cbfile->priv;
-
-	for (l = CAL_BACKEND (cbfile)->clients; l; l = l->next) {
-		Cal *cal;
-
-		cal = CAL (l->data);
-		cal_notify_mode (cal, status, mode);
-	}
-}
-
-/* Set_mode handler for the file backend */
-static void
-cal_backend_file_set_mode (CalBackend *backend, CalMode mode)
-{
-	notify_mode (CAL_BACKEND_FILE (backend),
-		     GNOME_Evolution_Calendar_Listener_MODE_NOT_SUPPORTED,
-		     GNOME_Evolution_Calendar_MODE_LOCAL);
-	
-}
-
-/* Get_n_objects handler for the file backend */
-static int
-cal_backend_file_get_n_objects (CalBackend *backend, CalObjType type)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	int n;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, -1);
-
-	n = 0;
-
-	if (type & CALOBJ_TYPE_EVENT)
-		n += g_list_length (priv->events);
-
-	if (type & CALOBJ_TYPE_TODO)
-		n += g_list_length (priv->todos);
-
-	if (type & CALOBJ_TYPE_JOURNAL)
-		n += g_list_length (priv->journals);
-
-	return n;
-}
-
-/* Get_object handler for the file backend */
-static char *
-cal_backend_file_get_object (CalBackend *backend, const char *uid)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	CalComponent *comp;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (uid != NULL, NULL);
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-	g_assert (priv->comp_uid_hash != NULL);
-
-	comp = lookup_component (cbfile, uid);
-
-	if (!comp)
-		return NULL;
-
-	return cal_component_get_as_string (comp);
-}
-
-/* Get_object handler for the file backend */
-static CalComponent *
-cal_backend_file_get_object_component (CalBackend *backend, const char *uid)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (uid != NULL, NULL);
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-	g_assert (priv->comp_uid_hash != NULL);
-
-	return lookup_component (cbfile, uid);
-}
-
-/* Get_object handler for the file backend */
-static char *
-cal_backend_file_get_timezone_object (CalBackend *backend, const char *tzid)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	icaltimezone *zone;
-	icalcomponent *icalcomp;
-	char *ical_string;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (tzid != NULL, NULL);
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-	g_assert (priv->comp_uid_hash != NULL);
-
-	zone = icalcomponent_get_timezone (priv->icalcomp, tzid);
-	if (!zone)
-		return NULL;
-
-	icalcomp = icaltimezone_get_component (zone);
-	if (!icalcomp)
-		return NULL;
-
-	ical_string = icalcomponent_as_ical_string (icalcomp);
-	/* We dup the string; libical owns that memory. */
-	if (ical_string)
-	  return g_strdup (ical_string);
-	else
-	  return NULL;
-}
-
-/* Builds a list of UIDs from a list of CalComponent objects */
-static void
-build_uids_list (GList **list, GList *components)
-{
-	GList *l;
-
-	for (l = components; l; l = l->next) {
-		CalComponent *comp;
-		const char *uid;
-
-		comp = CAL_COMPONENT (l->data);
-		cal_component_get_uid (comp, &uid);
-		*list = g_list_prepend (*list, g_strdup (uid));
-	}
-}
-
-/* Get_uids handler for the file backend */
-static GList *
-cal_backend_file_get_uids (CalBackend *backend, CalObjType type)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	GList *list;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-
-	list = NULL;
-
-	if (type & CALOBJ_TYPE_EVENT)
-		build_uids_list (&list, priv->events);
-
-	if (type & CALOBJ_TYPE_TODO)
-		build_uids_list (&list, priv->todos);
-
-	if (type & CALOBJ_TYPE_JOURNAL)
-		build_uids_list (&list, priv->journals);
-
-	return list;
-}
-
-/* function to resolve timezones */
-static icaltimezone *
-resolve_tzid (const char *tzid, gpointer user_data)
-{
-	icalcomponent *vcalendar_comp = user_data;
-
-        if (!tzid || !tzid[0])
-                return NULL;
-        else if (!strcmp (tzid, "UTC"))
-                return icaltimezone_get_utc_timezone ();
-
-	return icalcomponent_get_timezone (vcalendar_comp, tzid);
-}
-
-/* Callback used from cal_recur_generate_instances(); adds the component's UID
- * to our hash table.
- */
-static gboolean
-add_instance (CalComponent *comp, time_t start, time_t end, gpointer data)
-{
-	GHashTable *uid_hash;
-	const char *uid;
-	const char *old_uid;
-
-	uid_hash = data;
-
-	/* We only care that the component's UID is listed in the hash table;
-	 * that's why we only allow generation of one instance (i.e. return
-	 * FALSE every time).
-	 */
-
-	cal_component_get_uid (comp, &uid);
-
-	old_uid = g_hash_table_lookup (uid_hash, uid);
-	if (old_uid)
-		return FALSE;
-
-	g_hash_table_insert (uid_hash, (char *) uid, NULL);
-	return FALSE;
-}
-
-/* Populates a hash table with the UIDs of the components that occur or recur
- * within a specific time range.
- */
-static void
-get_instances_in_range (GHashTable *uid_hash, GList *components, time_t start, time_t end, icaltimezone *default_zone)
-{
-	GList *l;
-
-	for (l = components; l; l = l->next) {
-		CalComponent *comp;
-		icalcomponent *icalcomp, *vcalendar_comp;
-
-		comp = CAL_COMPONENT (l->data);
-
-		/* Get the parent VCALENDAR component, so we can resolve
-		   TZIDs. */
-		icalcomp = cal_component_get_icalcomponent (comp);
-		vcalendar_comp = icalcomponent_get_parent (icalcomp);
-		g_assert (vcalendar_comp != NULL);
-
-		cal_recur_generate_instances (comp, start, end, add_instance, uid_hash, resolve_tzid, vcalendar_comp, default_zone);
-	}
-}
-
-/* Used from g_hash_table_foreach(), adds a UID from the hash table to our list */
-static void
-add_uid_to_list (gpointer key, gpointer value, gpointer data)
-{
-	GList **list;
-	const char *uid;
-	char *uid_copy;
-
-	list = data;
-
-	uid = key;
-	uid_copy = g_strdup (uid);
-
-	*list = g_list_prepend (*list, uid_copy);
-}
-
-/* Get_objects_in_range handler for the file backend */
-static GList *
-cal_backend_file_get_objects_in_range (CalBackend *backend, CalObjType type,
-				       time_t start, time_t end)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	GList *event_list;
-	GHashTable *uid_hash;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-
-	g_return_val_if_fail (start != -1 && end != -1, NULL);
-	g_return_val_if_fail (start <= end, NULL);
-
-	uid_hash = g_hash_table_new (g_str_hash, g_str_equal);
-
-	if (type & CALOBJ_TYPE_EVENT)
-		get_instances_in_range (uid_hash, priv->events, start, end,
-					priv->default_zone);
-
-	if (type & CALOBJ_TYPE_TODO)
-		get_instances_in_range (uid_hash, priv->todos, start, end,
-					priv->default_zone);
-
-	if (type & CALOBJ_TYPE_JOURNAL)
-		get_instances_in_range (uid_hash, priv->journals, start, end,
-					priv->default_zone);
-
-	event_list = NULL;
-	g_hash_table_foreach (uid_hash, add_uid_to_list, &event_list);
-	g_hash_table_destroy (uid_hash);
-
-	return event_list;
-}
-
-static gboolean
-free_busy_instance (CalComponent *comp,
-		    time_t        instance_start,
-		    time_t        instance_end,
-		    gpointer      data)
-{
-	icalcomponent *vfb = data;
-	icalproperty *prop;
-	icalparameter *param;
-	struct icalperiodtype ipt;
-	icaltimezone *utc_zone;
-
-	utc_zone = icaltimezone_get_utc_timezone ();
-
-	ipt.start = icaltime_from_timet_with_zone (instance_start, FALSE, utc_zone);
-	ipt.end = icaltime_from_timet_with_zone (instance_end, FALSE, utc_zone);
-	ipt.duration = icaldurationtype_null_duration ();
-	
-        /* add busy information to the vfb component */
-	prop = icalproperty_new (ICAL_FREEBUSY_PROPERTY);
-	icalproperty_set_freebusy (prop, ipt);
-	
-	param = icalparameter_new_fbtype (ICAL_FBTYPE_BUSY);
-	icalproperty_add_parameter (prop, param);
-	
-	icalcomponent_add_property (vfb, prop);
-
-	return TRUE;
-}
-
-static icalcomponent *
-create_user_free_busy (CalBackendFile *cbfile, const char *address, const char *cn,
-		       time_t start, time_t end)
-{	
-	CalBackendFilePrivate *priv;
-	GList *uids;
-	GList *l;
-	icalcomponent *vfb;
-	icaltimezone *utc_zone;
-	
-	priv = cbfile->priv;
-
-	/* create the (unique) VFREEBUSY object that we'll return */
-	vfb = icalcomponent_new_vfreebusy ();
-	if (address != NULL) {
-		icalproperty *prop;
-		icalparameter *param;
-		
-		prop = icalproperty_new_organizer (address);
-		if (prop != NULL && cn != NULL) {
-			param = icalparameter_new_cn (cn);
-			icalproperty_add_parameter (prop, param);			
-		}
-		if (prop != NULL)
-			icalcomponent_add_property (vfb, prop);		
-	}
-	utc_zone = icaltimezone_get_utc_timezone ();
-	icalcomponent_set_dtstart (vfb, icaltime_from_timet_with_zone (start, FALSE, utc_zone));
-	icalcomponent_set_dtend (vfb, icaltime_from_timet_with_zone (end, FALSE, utc_zone));
-
-	/* add all objects in the given interval */
-
-	uids = cal_backend_get_objects_in_range (CAL_BACKEND (cbfile),
-						 CALOBJ_TYPE_ANY, start, end);
-	for (l = uids; l != NULL; l = l->next) {
-		CalComponent *comp;
-		icalcomponent *icalcomp, *vcalendar_comp;
-		icalproperty *prop;
-		char *uid = (char *) l->data;
-
-		/* get the component from our internal list */
-		comp = lookup_component (cbfile, uid);
-		if (!comp)
-			continue;
-
-		icalcomp = cal_component_get_icalcomponent (comp);
-		if (!icalcomp)
-			continue;
-
-		/* If the event is TRANSPARENT, skip it. */
-		prop = icalcomponent_get_first_property (icalcomp,
-							 ICAL_TRANSP_PROPERTY);
-		if (prop) {
-			const char *transp_val = icalproperty_get_transp (prop);
-			if (transp_val
-			    && !strcasecmp (transp_val, "TRANSPARENT"))
-				continue;
-		}
-
-		vcalendar_comp = icalcomponent_get_parent (icalcomp);
-		cal_recur_generate_instances (comp, start, end,
-					      free_busy_instance,
-					      vfb,
-					      resolve_tzid,
-					      vcalendar_comp,
-					      priv->default_zone);
-		
-	}
-	cal_obj_uid_list_free (uids);
-
-	return vfb;	
-}
-
-/* Get_free_busy handler for the file backend */
-static GList *
-cal_backend_file_get_free_busy (CalBackend *backend, GList *users, time_t start, time_t end)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	gchar *address, *name;	
-	icalcomponent *vfb;
-	char *calobj;
-	GList *obj_list = NULL;
-	GList *l;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-	g_return_val_if_fail (start != -1 && end != -1, NULL);
-	g_return_val_if_fail (start <= end, NULL);
-
-	if (users == NULL) {
-		if (cal_backend_mail_account_get_default (priv->db, &address, &name)) {			
-			vfb = create_user_free_busy (cbfile, address, name, start, end);
-			calobj = icalcomponent_as_ical_string (vfb);
-			obj_list = g_list_append (obj_list, g_strdup (calobj));
-			icalcomponent_free (vfb);
-			g_free (address);
-			g_free (name);
-		}		
-	} else {
-		for (l = users; l != NULL; l = l->next ) {
-			address = l->data;			
-			if (cal_backend_mail_account_is_valid (priv->db, address, &name)) {
-				vfb = create_user_free_busy (cbfile, address, name, start, end);
-				calobj = icalcomponent_as_ical_string (vfb);
-				obj_list = g_list_append (obj_list, g_strdup (calobj));
-				icalcomponent_free (vfb);
-				g_free (name);
-			}
-		}		
-	}
-
-	return obj_list;
-}
-
-typedef struct 
-{
-	CalBackend *backend;
-	CalObjType type;	
-	GList *changes;
-	GList *change_ids;
-} CalBackendFileComputeChangesData;
-
-static void
-cal_backend_file_compute_changes_foreach_key (const char *key, gpointer data)
-{
-	CalBackendFileComputeChangesData *be_data = data;
-	char *calobj = cal_backend_get_object (be_data->backend, key);
-	
-	if (calobj == NULL) {
-		CalComponent *comp;
-		GNOME_Evolution_Calendar_CalObjChange *coc;
-		char *calobj;
-
-		comp = cal_component_new ();
-		if (be_data->type == GNOME_Evolution_Calendar_TYPE_TODO)
-			cal_component_set_new_vtype (comp, CAL_COMPONENT_TODO);
-		else
-			cal_component_set_new_vtype (comp, CAL_COMPONENT_EVENT);
-
-		cal_component_set_uid (comp, key);
-		calobj = cal_component_get_as_string (comp);
-
-		coc = GNOME_Evolution_Calendar_CalObjChange__alloc ();
-		coc->calobj =  CORBA_string_dup (calobj);
-		coc->type = GNOME_Evolution_Calendar_DELETED;
-		be_data->changes = g_list_prepend (be_data->changes, coc);
-		be_data->change_ids = g_list_prepend (be_data->change_ids, g_strdup (key));
-
-		g_free (calobj);
-		gtk_object_unref (GTK_OBJECT (comp));
- 	}
-}
-
-static GNOME_Evolution_Calendar_CalObjChangeSeq *
-cal_backend_file_compute_changes (CalBackend *backend, CalObjType type, const char *change_id)
-{
-	char    *filename;
-	EDbHash *ehash;
-	CalBackendFileComputeChangesData be_data;
-	GNOME_Evolution_Calendar_CalObjChangeSeq *seq;
-	GList *uids, *changes = NULL, *change_ids = NULL;
-	GList *i, *j;
-	int n;
-	
-	/* Find the changed ids - FIX ME, path should not be hard coded */
-	if (type == GNOME_Evolution_Calendar_TYPE_TODO)
-		filename = g_strdup_printf ("%s/evolution/local/Tasks/%s.db", g_get_home_dir (), change_id);
-	else 
-		filename = g_strdup_printf ("%s/evolution/local/Calendar/%s.db", g_get_home_dir (), change_id);
-	ehash = e_dbhash_new (filename);
-	g_free (filename);
-	
-	uids = cal_backend_get_uids (backend, type);
-	
-	/* Calculate adds and modifies */
-	for (i = uids; i != NULL; i = i->next) {
-		GNOME_Evolution_Calendar_CalObjChange *coc;
-		char *uid = i->data;
-		char *calobj = cal_backend_get_object (backend, uid);
-
-		g_assert (calobj != NULL);
-
-		/* check what type of change has occurred, if any */
-		switch (e_dbhash_compare (ehash, uid, calobj)) {
-		case E_DBHASH_STATUS_SAME:
-			break;
-		case E_DBHASH_STATUS_NOT_FOUND:
-			coc = GNOME_Evolution_Calendar_CalObjChange__alloc ();
-			coc->calobj =  CORBA_string_dup (calobj);
-			coc->type = GNOME_Evolution_Calendar_ADDED;
-			changes = g_list_prepend (changes, coc);
-			change_ids = g_list_prepend (change_ids, g_strdup (uid));
-			break;
-		case E_DBHASH_STATUS_DIFFERENT:
-			coc = GNOME_Evolution_Calendar_CalObjChange__alloc ();
-			coc->calobj =  CORBA_string_dup (calobj);
-			coc->type = GNOME_Evolution_Calendar_MODIFIED;
-			changes = g_list_prepend (changes, coc);
-			change_ids = g_list_prepend (change_ids, g_strdup (uid));
-			break;
-		}
-	}
-
-	/* Calculate deletions */
-	be_data.backend = backend;
-	be_data.type = type;	
-	be_data.changes = changes;
-	be_data.change_ids = change_ids;
-   	e_dbhash_foreach_key (ehash, (EDbHashFunc)cal_backend_file_compute_changes_foreach_key, &be_data);
-	changes = be_data.changes;
-	change_ids = be_data.change_ids;
-	
-	/* Build the sequence and update the hash */
-	n = g_list_length (changes);
-
-	seq = GNOME_Evolution_Calendar_CalObjChangeSeq__alloc ();
-	seq->_length = n;
-	seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalObjChange_allocbuf (n);
-	CORBA_sequence_set_release (seq, TRUE);
-
-	for (i = changes, j = change_ids, n = 0; i != NULL; i = i->next, j = j->next, n++) {
-		GNOME_Evolution_Calendar_CalObjChange *coc = i->data;
-		GNOME_Evolution_Calendar_CalObjChange *seq_coc;
-		char *uid = j->data;
-
-		/* sequence building */
-		seq_coc = &seq->_buffer[n];
-		seq_coc->calobj = CORBA_string_dup (coc->calobj);
-		seq_coc->type = coc->type;
-
-		/* hash updating */
-		if (coc->type == GNOME_Evolution_Calendar_ADDED 
-		    || coc->type == GNOME_Evolution_Calendar_MODIFIED) {
-			e_dbhash_add (ehash, uid, coc->calobj);
-		} else {
-			e_dbhash_remove (ehash, uid);
-		}		
-
-		CORBA_free (coc);
-		g_free (uid);
-	}	
-	e_dbhash_write (ehash);
-  	e_dbhash_destroy (ehash);
-
-	cal_obj_uid_list_free (uids);
-	g_list_free (change_ids);
-	g_list_free (changes);
-	
-	return seq;
-}
-
-/* Get_changes handler for the file backend */
-static GNOME_Evolution_Calendar_CalObjChangeSeq *
-cal_backend_file_get_changes (CalBackend *backend, CalObjType type, const char *change_id)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-
-	return cal_backend_file_compute_changes (backend, type, change_id);
-}
-
-/* Get_alarms_in_range handler for the file backend */
-static GNOME_Evolution_Calendar_CalComponentAlarmsSeq *
-cal_backend_file_get_alarms_in_range (CalBackend *backend,
-				      time_t start, time_t end)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	int n_comp_alarms;
-	GSList *comp_alarms;
-	GSList *l;
-	int i;
-	GNOME_Evolution_Calendar_CalComponentAlarmsSeq *seq;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-
-	g_return_val_if_fail (start != -1 && end != -1, NULL);
-	g_return_val_if_fail (start <= end, NULL);
-
-	/* Per RFC 2445, only VEVENTs and VTODOs can have alarms */
-
-	n_comp_alarms = 0;
-	comp_alarms = NULL;
-
-	n_comp_alarms += cal_util_generate_alarms_for_list (priv->events, start, end,
-							    &comp_alarms, resolve_tzid,
-							    priv->icalcomp,
-							    priv->default_zone);
-	n_comp_alarms += cal_util_generate_alarms_for_list (priv->todos, start, end,
-							    &comp_alarms, resolve_tzid,
-							    priv->icalcomp,
-							    priv->default_zone);
-
-	seq = GNOME_Evolution_Calendar_CalComponentAlarmsSeq__alloc ();
-	CORBA_sequence_set_release (seq, TRUE);
-	seq->_length = n_comp_alarms;
-	seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalComponentAlarms_allocbuf (
-		n_comp_alarms);
-
-	for (l = comp_alarms, i = 0; l; l = l->next, i++) {
-		CalComponentAlarms *alarms;
-		char *comp_str;
-
-		alarms = l->data;
-
-		comp_str = cal_component_get_as_string (alarms->comp);
-		seq->_buffer[i].calobj = CORBA_string_dup (comp_str);
-		g_free (comp_str);
-
-		cal_backend_util_fill_alarm_instances_seq (&seq->_buffer[i].alarms, alarms->alarms);
-
-		cal_component_alarms_free (alarms);
-	}
-
-	g_slist_free (comp_alarms);
-
-	return seq;
-}
-
-/* Get_alarms_for_object handler for the file backend */
-static GNOME_Evolution_Calendar_CalComponentAlarms *
-cal_backend_file_get_alarms_for_object (CalBackend *backend, const char *uid,
-					time_t start, time_t end,
-					gboolean *object_found)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	CalComponent *comp;
-	char *comp_str;
-	GNOME_Evolution_Calendar_CalComponentAlarms *corba_alarms;
-	CalComponentAlarms *alarms;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-
-	g_return_val_if_fail (uid != NULL, NULL);
-	g_return_val_if_fail (start != -1 && end != -1, NULL);
-	g_return_val_if_fail (start <= end, NULL);
-	g_return_val_if_fail (object_found != NULL, NULL);
-
-	comp = lookup_component (cbfile, uid);
-	if (!comp) {
-		*object_found = FALSE;
-		return NULL;
-	}
-
-	*object_found = TRUE;
-
-	comp_str = cal_component_get_as_string (comp);
-	corba_alarms = GNOME_Evolution_Calendar_CalComponentAlarms__alloc ();
-
-	corba_alarms->calobj = CORBA_string_dup (comp_str);
-	g_free (comp_str);
-
-	alarms = cal_util_generate_alarms_for_comp (comp, start, end, resolve_tzid, priv->icalcomp, priv->default_zone);
-	if (alarms) {
-		cal_backend_util_fill_alarm_instances_seq (&corba_alarms->alarms, alarms->alarms);
-		cal_component_alarms_free (alarms);
-	} else
-		cal_backend_util_fill_alarm_instances_seq (&corba_alarms->alarms, NULL);
-
-	return corba_alarms;
-}
-
-/* Notifies a backend's clients that an object was updated */
-static void
-notify_update (CalBackendFile *cbfile, const char *uid)
-{
-	CalBackendFilePrivate *priv;
-	GList *l;
-
-	priv = cbfile->priv;
-
-	cal_backend_obj_updated (CAL_BACKEND (cbfile), uid);
-
-	for (l = CAL_BACKEND (cbfile)->clients; l; l = l->next) {
-		Cal *cal;
-
-		cal = CAL (l->data);
-		cal_notify_update (cal, uid);
-	}
-}
-
-/* Notifies a backend's clients that an object was removed */
-static void
-notify_remove (CalBackendFile *cbfile, const char *uid)
-{
-	CalBackendFilePrivate *priv;
-	GList *l;
-
-	priv = cbfile->priv;
-
-	cal_backend_obj_removed (CAL_BACKEND (cbfile), uid);
-
-	for (l = CAL_BACKEND (cbfile)->clients; l; l = l->next) {
-		Cal *cal;
-
-		cal = CAL (l->data);
-		cal_notify_remove (cal, uid);
-	}
-}
-
-/* Used from g_hash_table_foreach_remove(); removes and frees a category */
-static gboolean
-remove_category_cb (gpointer key, gpointer value, gpointer data)
-{
-	Category *c;
-
-	c = value;
-	g_free (c->name);
-	g_free (c);
-
-	return TRUE;
-}
-
-/* Clears the table of removed categories */
-static void
-clean_removed_categories (CalBackendFile *cbfile)
-{
-	CalBackendFilePrivate *priv;
-
-	priv = cbfile->priv;
-
-	g_hash_table_foreach_remove (priv->removed_categories,
-				     remove_category_cb,
-				     NULL);
-}
-
-
-/* Creates a CalComponent for the given icalcomponent and adds it to our
-   cache. Note that the icalcomponent is not added to the toplevel
-   icalcomponent here. That needs to be done elsewhere. It returns the uid
-   of the added component, or NULL if it failed. */
-static const char*
-cal_backend_file_update_object (CalBackendFile *cbfile,
-				icalcomponent *icalcomp)
-{
-	CalComponent *old_comp;
-	CalComponent *comp;
-	const char *comp_uid;
-
-	/* Create a CalComponent wrapper for the icalcomponent. */
-	comp = cal_component_new ();
-	if (!cal_component_set_icalcomponent (comp, icalcomp)) {
-		gtk_object_unref (GTK_OBJECT (comp));
-		return NULL;
-	}
-
-	/* Get the UID, and check it isn't empty. */
-	cal_component_get_uid (comp, &comp_uid);
-	if (!comp_uid || !comp_uid[0]) {
-		gtk_object_unref (GTK_OBJECT (comp));
-		return NULL;
-	}
-
-	/* Remove any old version of the component. */
-	old_comp = lookup_component (cbfile, comp_uid);
-	if (old_comp)
-		remove_component (cbfile, old_comp);
-
-	/* Now add the component to our local cache, but we pass FALSE as
-	   the last argument, since the libical component is assumed to have
-	   been added already. */
-	add_component (cbfile, comp, FALSE);
-
-	return comp_uid;
-}
-
-
-
-/* Update_objects handler for the file backend. */
-static gboolean
-cal_backend_file_update_objects (CalBackend *backend, const char *calobj)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	icalcomponent *toplevel_comp, *icalcomp = NULL;
-	icalcomponent_kind kind;
-	int old_n_categories, new_n_categories;
-	icalcomponent *subcomp;
-	gboolean retval = TRUE;
-	GList *comp_uid_list = NULL, *elem;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, FALSE);
-
-	g_return_val_if_fail (calobj != NULL, FALSE);
-
-	/* Pull the component from the string and ensure that it is sane */
-
-	toplevel_comp = icalparser_parse_string ((char *) calobj);
-
-	if (!toplevel_comp)
-		return FALSE;
-
-	kind = icalcomponent_isa (toplevel_comp);
-
-	if (kind == ICAL_VEVENT_COMPONENT
-	    || kind == ICAL_VTODO_COMPONENT
-	    || kind == ICAL_VJOURNAL_COMPONENT) {
-		/* Create a temporary toplevel component and put the VEVENT
-		   or VTODO in it, to simplify the code below. */
-		icalcomp = toplevel_comp;
-		toplevel_comp = cal_util_new_top_level ();
-		icalcomponent_add_component (toplevel_comp, icalcomp);
-	} else if (kind != ICAL_VCALENDAR_COMPONENT) {
-		/* We don't support this type of component */
-		icalcomponent_free (toplevel_comp);
-		return FALSE;
-	}
-
-	/* The list of removed categories must be empty because we are about to
-	 * start a new scanning process.
-	 */
-	g_assert (g_hash_table_size (priv->removed_categories) == 0);
-
-	old_n_categories = g_hash_table_size (priv->categories);
-
-	/* Step throught the VEVENT/VTODOs being added, create CalComponents
-	   for them, and add them to our cache. */
-	subcomp = icalcomponent_get_first_component (toplevel_comp,
-						     ICAL_ANY_COMPONENT);
-	while (subcomp) {
-		/* We ignore anything except VEVENT, VTODO and VJOURNAL
-		   components. */
-		icalcomponent_kind child_kind = icalcomponent_isa (subcomp);
-		if (child_kind == ICAL_VEVENT_COMPONENT
-		    || child_kind == ICAL_VTODO_COMPONENT
-		    || child_kind == ICAL_VJOURNAL_COMPONENT) {
-			const char *comp_uid;
-
-			comp_uid = cal_backend_file_update_object (cbfile,
-								   subcomp);
-			if (comp_uid) {
-				/* We add a copy of the UID to a list, so we
-				   can emit notification signals later. We do
-				   a g_strdup() in case any of the components
-				   get removed while we are emitting
-				   notification signals. */
-				comp_uid_list = g_list_prepend (comp_uid_list,
-								g_strdup (comp_uid));
-			} else {
-				retval = FALSE;
-			}
-		}
-		subcomp = icalcomponent_get_next_component (toplevel_comp,
-							    ICAL_ANY_COMPONENT);
-	}
-
-	/* Merge the iCalendar components with our existing VCALENDAR,
-	   resolving any conflicting TZIDs. */
-	icalcomponent_merge_component (priv->icalcomp, toplevel_comp);
-
-	new_n_categories = g_hash_table_size (priv->categories);
-
-	mark_dirty (cbfile);
-
-	/* Now emit notification signals for all of the added components.
-	   We do this after adding them all to make sure the calendar is in a
-	   stable state before emitting signals. */
-	for (elem = comp_uid_list; elem; elem = elem->next) {
-		char *comp_uid = elem->data;
-		notify_update (cbfile, comp_uid);
-		g_free (comp_uid);
-	}
-	g_list_free (comp_uid_list);
-
-	if (old_n_categories != new_n_categories ||
-	    g_hash_table_size (priv->removed_categories) != 0) {
-		clean_removed_categories (cbfile);
-		notify_categories_changed (cbfile);
-	}
-
-	return retval;
-}
-
-
-/* Remove_object handler for the file backend */
-static gboolean
-cal_backend_file_remove_object (CalBackend *backend, const char *uid)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	CalComponent *comp;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, FALSE);
-
-	g_return_val_if_fail (uid != NULL, FALSE);
-
-	comp = lookup_component (cbfile, uid);
-	if (!comp)
-		return FALSE;
-
-	/* The list of removed categories must be empty because we are about to
-	 * start a new scanning process.
-	 */
-	g_assert (g_hash_table_size (priv->removed_categories) == 0);
-
-	remove_component (cbfile, comp);
-
-	mark_dirty (cbfile);
-
-	notify_remove (cbfile, uid);
-
-	if (g_hash_table_size (priv->removed_categories) != 0) {
-		clean_removed_categories (cbfile);
-		notify_categories_changed (cbfile);
-	}
-
-	return TRUE;
-}
-
-
-static icaltimezone*
-cal_backend_file_get_timezone (CalBackend *backend, const char *tzid)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-
-	if (!strcmp (tzid, "UTC"))
-		return icaltimezone_get_utc_timezone ();
-	else
-		return icalcomponent_get_timezone (priv->icalcomp, tzid);
-}
-
-
-static icaltimezone*
-cal_backend_file_get_default_timezone (CalBackend *backend)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, NULL);
-
-	return priv->default_zone;
-}
-
-
-static gboolean
-cal_backend_file_set_default_timezone (CalBackend *backend,
-				       const char *tzid)
-{
-	CalBackendFile *cbfile;
-	CalBackendFilePrivate *priv;
-	icaltimezone *zone;
-
-	cbfile = CAL_BACKEND_FILE (backend);
-	priv = cbfile->priv;
-
-	g_return_val_if_fail (priv->icalcomp != NULL, FALSE);
-
-	/* Look up the VTIMEZONE in our icalcomponent. */
-	zone = icalcomponent_get_timezone (priv->icalcomp, tzid);
-	if (!zone)
-		return FALSE;
-
-	/* Set the default timezone to it. */
-	priv->default_zone = zone;
-
-	return TRUE;
-}
-
diff --git a/calendar/pcs/cal-backend-file.h b/calendar/pcs/cal-backend-file.h
deleted file mode 100644
index c90feddea3..0000000000
--- a/calendar/pcs/cal-backend-file.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/* Evolution calendar - iCalendar file backend
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Author: Federico Mena-Quintero <federico@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef CAL_BACKEND_FILE_H
-#define CAL_BACKEND_FILE_H
-
-#include <libgnome/gnome-defs.h>
-#include "cal-backend.h"
-
-BEGIN_GNOME_DECLS
-
-
-
-#define CAL_BACKEND_FILE_TYPE            (cal_backend_file_get_type ())
-#define CAL_BACKEND_FILE(obj)            (GTK_CHECK_CAST ((obj), CAL_BACKEND_FILE_TYPE,		\
-					  CalBackendFile))
-#define CAL_BACKEND_FILE_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), CAL_BACKEND_FILE_TYPE,	\
-					  CalBackendFileClass))
-#define IS_CAL_BACKEND_FILE(obj)         (GTK_CHECK_TYPE ((obj), CAL_BACKEND_FILE_TYPE))
-#define IS_CAL_BACKEND_FILE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_BACKEND_FILE_TYPE))
-
-typedef struct _CalBackendFile CalBackendFile;
-typedef struct _CalBackendFileClass CalBackendFileClass;
-
-typedef struct _CalBackendFilePrivate CalBackendFilePrivate;
-
-struct _CalBackendFile {
-	CalBackend backend;
-
-	/* Private data */
-	CalBackendFilePrivate *priv;
-};
-
-struct _CalBackendFileClass {
-	CalBackendClass parent_class;
-};
-
-GtkType cal_backend_file_get_type (void);
-
-
-
-END_GNOME_DECLS
-
-#endif
diff --git a/calendar/pcs/cal-backend-util.c b/calendar/pcs/cal-backend-util.c
deleted file mode 100644
index 6ae480e30b..0000000000
--- a/calendar/pcs/cal-backend-util.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* Evolution calendar - generic backend class
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2001 Ximian, Inc.
- *
- * Authors: Rodrigo Moya <rodrigo@ximian.com>    
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include "cal-backend-util.h"
-
-void
-cal_backend_util_fill_alarm_instances_seq (GNOME_Evolution_Calendar_CalAlarmInstanceSeq *seq,
-					   GSList *alarms)
-{
-	int n_alarms;
-	GSList *l;
-	int i;
-
-	g_return_if_fail (seq != NULL);
-
-	n_alarms = g_slist_length (alarms);
-
-	CORBA_sequence_set_release (seq, TRUE);
-	seq->_length = n_alarms;
-	seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalAlarmInstance_allocbuf (n_alarms);
-
-	for (l = alarms, i = 0; l; l = l->next, i++) {
-		CalAlarmInstance *instance;
-		GNOME_Evolution_Calendar_CalAlarmInstance *corba_instance;
-
-		instance = l->data;
-		corba_instance = seq->_buffer + i;
-
-		corba_instance->auid = CORBA_string_dup (instance->auid);
-		corba_instance->trigger = (long) instance->trigger;
-		corba_instance->occur_start = (long) instance->occur_start;
-		corba_instance->occur_end = (long) instance->occur_end;
-	}
-}
-
-void
-cal_backend_mail_account_get (Bonobo_ConfigDatabase db,
-			      gint def,
-			      char **address,
-			      char **name)
-{
-	gchar *path;
-	
-	*address = NULL;
-	*name = NULL;
-	
-	/* get the identity info */
-	path = g_strdup_printf ("/Mail/Accounts/identity_name_%d", def);
-	*name = bonobo_config_get_string (db, path, NULL);
-	g_free (path);
-	
-	path = g_strdup_printf ("/Mail/Accounts/identity_address_%d", def);
-	*address = bonobo_config_get_string (db, path, NULL);
-	g_free (path);
-}
-
-gboolean
-cal_backend_mail_account_get_default (Bonobo_ConfigDatabase db,
-				      char **address,
-				      char **name)
-{
-	glong def, len;
-	
-	*address = NULL;
-	*name = NULL;
-	
-	len = bonobo_config_get_long_with_default (db, "/Mail/Accounts/num", 0, NULL);
-	def = bonobo_config_get_long_with_default (db, "/Mail/Accounts/default_account", 0, NULL);
-
-	if (def < len)
-		cal_backend_mail_account_get (db, def, address, name);
-	else
-		return FALSE;
-	
-	return TRUE;
-}
-
-gboolean
-cal_backend_mail_account_is_valid (Bonobo_ConfigDatabase db, char *user, char **name)
-{
-	gchar *address;
-	glong len, i;
-	
-	len = bonobo_config_get_long_with_default (db, "/Mail/Accounts/num", 0, NULL);
-
-	for (i = 0; i < len; i++) {
-		cal_backend_mail_account_get (db, i, &address, name);
-		if (address != NULL && !strcmp (address, user)) {
-			g_free (address);
-			return TRUE;
-		}		
-		g_free (address);
-		g_free (*name);		
-	}
-
-	return FALSE;	
-}
diff --git a/calendar/pcs/cal-backend-util.h b/calendar/pcs/cal-backend-util.h
deleted file mode 100644
index f10267453a..0000000000
--- a/calendar/pcs/cal-backend-util.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* Evolution calendar - generic backend class
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2001 Ximian, Inc.
- *
- * Authors: Rodrigo Moya <rodrigo@ximian.com>    
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef CAL_BACKEND_UTIL_H
-#define CAL_BACKEND_UTIL_H
-
-#include <bonobo-conf/bonobo-config-database.h>
-#include <cal-backend.h>
-
-BEGIN_GNOME_DECLS
-
-/*
- * CORBA utility functions
- */
-
-void cal_backend_util_fill_alarm_instances_seq (
-	GNOME_Evolution_Calendar_CalAlarmInstanceSeq *seq, GSList *alarms);
-
-/*
- * Functions for accessing mail configuration
- */
-
-void     cal_backend_mail_account_get (Bonobo_ConfigDatabase db, gint def,
-				       char **address, char **name);
-gboolean cal_backend_mail_account_get_default (Bonobo_ConfigDatabase db,
-					       char **address, char **name);
-gboolean cal_backend_mail_account_is_valid (Bonobo_ConfigDatabase db,
-					    char *user, char **name);
-
-END_GNOME_DECLS
-
-#endif
diff --git a/calendar/pcs/cal-backend.c b/calendar/pcs/cal-backend.c
deleted file mode 100644
index e0dd3a713b..0000000000
--- a/calendar/pcs/cal-backend.c
+++ /dev/null
@@ -1,822 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* Evolution calendar - generic backend class
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Authors: Federico Mena-Quintero <federico@ximian.com>
- *          JP Rosevear <jpr@ximian.com>
- *          Rodrigo Moya <rodrigo@ximian.com>    
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <config.h>
-#include <gtk/gtkobject.h>
-#include <gtk/gtksignal.h>
-#include <gnome-xml/parser.h>
-#include <gnome-xml/parserInternals.h>
-#include <gnome-xml/xmlmemory.h>
-
-#include "cal-backend.h"
-#include "libversit/vcc.h"
-
-
-
-/* Signal IDs */
-enum {
-	LAST_CLIENT_GONE,
-	CAL_ADDED,
-	OPENED,
-	OBJ_UPDATED,
-	OBJ_REMOVED,
-	LAST_SIGNAL
-};
-
-static void cal_backend_class_init (CalBackendClass *class);
-
-static guint cal_backend_signals[LAST_SIGNAL];
-
-#define CLASS(backend) (CAL_BACKEND_CLASS (GTK_OBJECT (backend)->klass))
-
-
-
-/**
- * cal_backend_get_type:
- * @void:
- *
- * Registers the #CalBackend class if necessary, and returns the type ID
- * associated to it.
- *
- * Return value: The type ID of the #CalBackend class.
- **/
-GtkType
-cal_backend_get_type (void)
-{
-	static GtkType cal_backend_type = 0;
-
-	if (!cal_backend_type) {
-		static const GtkTypeInfo cal_backend_info = {
-			"CalBackend",
-			sizeof (CalBackend),
-			sizeof (CalBackendClass),
-			(GtkClassInitFunc) cal_backend_class_init,
-			(GtkObjectInitFunc) NULL,
-			NULL, /* reserved_1 */
-			NULL, /* reserved_2 */
-			(GtkClassInitFunc) NULL
-		};
-
-		cal_backend_type =
-			gtk_type_unique (GTK_TYPE_OBJECT, &cal_backend_info);
-	}
-
-	return cal_backend_type;
-}
-
-/* Class initialization function for the calendar backend */
-static void
-cal_backend_class_init (CalBackendClass *class)
-{
-	GtkObjectClass *object_class;
-
-	object_class = (GtkObjectClass *) class;
-
-	cal_backend_signals[LAST_CLIENT_GONE] =
-		gtk_signal_new ("last_client_gone",
-				GTK_RUN_FIRST,
-				object_class->type,
-				GTK_SIGNAL_OFFSET (CalBackendClass, last_client_gone),
-				gtk_marshal_NONE__NONE,
-				GTK_TYPE_NONE, 0);
-	cal_backend_signals[CAL_ADDED] =
-		gtk_signal_new ("cal_added",
-				GTK_RUN_FIRST,
-				object_class->type,
-				GTK_SIGNAL_OFFSET (CalBackendClass, cal_added),
-				gtk_marshal_NONE__POINTER,
-				GTK_TYPE_NONE, 1,
-				GTK_TYPE_POINTER);
-	cal_backend_signals[OPENED] =
-		gtk_signal_new ("opened",
-				GTK_RUN_FIRST,
-				object_class->type,
-				GTK_SIGNAL_OFFSET (CalBackendClass, opened),
-				gtk_marshal_NONE__ENUM,
-				GTK_TYPE_NONE, 1,
-				GTK_TYPE_ENUM);
-	cal_backend_signals[OBJ_UPDATED] =
-		gtk_signal_new ("obj_updated",
-				GTK_RUN_FIRST,
-				object_class->type,
-				GTK_SIGNAL_OFFSET (CalBackendClass, obj_updated),
-				gtk_marshal_NONE__STRING,
-				GTK_TYPE_NONE, 1,
-				GTK_TYPE_STRING);
-	cal_backend_signals[OBJ_REMOVED] =
-		gtk_signal_new ("obj_removed",
-				GTK_RUN_FIRST,
-				object_class->type,
-				GTK_SIGNAL_OFFSET (CalBackendClass, obj_removed),
-				gtk_marshal_NONE__STRING,
-				GTK_TYPE_NONE, 1,
-				GTK_TYPE_STRING);
-
-	gtk_object_class_add_signals (object_class, cal_backend_signals, LAST_SIGNAL);
-
-	class->last_client_gone = NULL;
-	class->opened = NULL;
-	class->obj_updated = NULL;
-	class->obj_removed = NULL;
-
-	class->get_uri = NULL;
-	class->open = NULL;
-	class->is_loaded = NULL;
-	class->get_mode = NULL;
-	class->set_mode = NULL;	
-	class->get_n_objects = NULL;
-	class->get_object = NULL;
-	class->get_object_component = NULL;
-	class->get_timezone_object = NULL;
-	class->get_uids = NULL;
-	class->get_objects_in_range = NULL;
-	class->get_free_busy = NULL;
-	class->get_changes = NULL;
-	class->get_alarms_in_range = NULL;
-	class->get_alarms_for_object = NULL;
-	class->update_objects = NULL;
-	class->remove_object = NULL;
-}
-
-
-
-/**
- * cal_backend_get_uri:
- * @backend: A calendar backend.
- *
- * Queries the URI of a calendar backend, which must already have an open
- * calendar.
- *
- * Return value: The URI where the calendar is stored.
- **/
-const char *
-cal_backend_get_uri (CalBackend *backend)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-
-	g_assert (CLASS (backend)->get_uri != NULL);
-	return (* CLASS (backend)->get_uri) (backend);
-}
-
-/* Callback used when a Cal is destroyed */
-static void
-cal_destroy_cb (GtkObject *object, gpointer data)
-{
-	Cal *cal;
-	Cal *lcal;
-	CalBackend *backend;
-	GList *l;
-
-	cal = CAL (object);
-
-	backend = CAL_BACKEND (data);
-
-	/* Find the cal in the list of clients */
-
-	for (l = backend->clients; l; l = l->next) {
-		lcal = CAL (l->data);
-
-		if (lcal == cal)
-			break;
-	}
-
-	g_assert (l != NULL);
-
-	/* Disconnect */
-
-	backend->clients = g_list_remove_link (backend->clients, l);
-	g_list_free_1 (l);
-
-	/* When all clients go away, notify the parent factory about it so that
-	 * it may decide whether to kill the backend or not.
-	 */
-	if (!backend->clients)
-		cal_backend_last_client_gone (backend);
-}
-
-/**
- * cal_backend_add_cal:
- * @backend: A calendar backend.
- * @cal: A calendar client interface object.
- *
- * Adds a calendar client interface object to a calendar @backend.
- * The calendar backend must already have an open calendar.
- **/
-void
-cal_backend_add_cal (CalBackend *backend, Cal *cal)
-{
-	g_return_if_fail (backend != NULL);
-	g_return_if_fail (IS_CAL_BACKEND (backend));
-	g_return_if_fail (IS_CAL (cal));
-
-	/* we do not keep a reference to the Cal since the Calendar
-	 * user agent owns it */
-	gtk_signal_connect (GTK_OBJECT (cal), "destroy",
-			    GTK_SIGNAL_FUNC (cal_destroy_cb),
-			    backend);
-
-	backend->clients = g_list_prepend (backend->clients, cal);
-
-	/* notify backend that a new Cal has been added */
-	gtk_signal_emit (GTK_OBJECT (backend),
-			 cal_backend_signals[CAL_ADDED],
-			 cal);
-}
-
-/**
- * cal_backend_open:
- * @backend: A calendar backend.
- * @uristr: URI that contains the calendar data.
- * @only_if_exists: Whether the calendar should be opened only if it already
- * exists.  If FALSE, a new calendar will be created when the specified @uri
- * does not exist.
- *
- * Opens a calendar backend with data from a calendar stored at the specified
- * URI.
- *
- * Return value: An operation status code.
- **/
-CalBackendOpenStatus
-cal_backend_open (CalBackend *backend, const char *uristr, gboolean only_if_exists)
-{
-	CalBackendOpenStatus result;
-
-	g_return_val_if_fail (backend != NULL, CAL_BACKEND_OPEN_ERROR);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), CAL_BACKEND_OPEN_ERROR);
-	g_return_val_if_fail (uristr != NULL, CAL_BACKEND_OPEN_ERROR);
-
-	g_assert (CLASS (backend)->open != NULL);
-	result = (* CLASS (backend)->open) (backend, uristr, only_if_exists);
-
-	return result;
-}
-
-/**
- * cal_backend_is_loaded:
- * @backend: A calendar backend.
- * 
- * Queries whether a calendar backend has been loaded yet.
- * 
- * Return value: TRUE if the backend has been loaded with data, FALSE
- * otherwise.
- **/
-gboolean
-cal_backend_is_loaded (CalBackend *backend)
-{
-	gboolean result;
-
-	g_return_val_if_fail (backend != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), FALSE);
-
-	g_assert (CLASS (backend)->is_loaded != NULL);
-	result = (* CLASS (backend)->is_loaded) (backend);
-
-	return result;
-}
-
-/**
- * cal_backend_get_mode:
- * @backend: A calendar backend. 
- * 
- * Queries whether a calendar backend is connected remotely.
- * 
- * Return value: The current mode the calendar is in
- **/
-CalMode
-cal_backend_get_mode (CalBackend *backend)
-{
-	CalMode result;
-
-	g_return_val_if_fail (backend != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), FALSE);
-
-	g_assert (CLASS (backend)->get_mode != NULL);
-	result = (* CLASS (backend)->get_mode) (backend);
-
-	return result;
-}
-
-
-/**
- * cal_backend_set_mode:
- * @backend: A calendar backend
- * @mode: Mode to change to
- * 
- * Sets the mode of the calendar
- * 
- **/
-void
-cal_backend_set_mode (CalBackend *backend, CalMode mode)
-{
-	g_return_if_fail (backend != NULL);
-	g_return_if_fail (IS_CAL_BACKEND (backend));
-
-	g_assert (CLASS (backend)->set_mode != NULL);
-	(* CLASS (backend)->set_mode) (backend, mode);
-}
-
-/**
- * cal_backend_get_n_objects:
- * @backend: A calendar backend.
- * @type: Types of objects that will be included in the count.
- * 
- * Queries the number of calendar objects of a particular type.
- * 
- * Return value: Number of objects of the specified @type.
- **/
-int
-cal_backend_get_n_objects (CalBackend *backend, CalObjType type)
-{
-	g_return_val_if_fail (backend != NULL, -1);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), -1);
-
-	g_assert (CLASS (backend)->get_n_objects != NULL);
-	return (* CLASS (backend)->get_n_objects) (backend, type);
-}
-
-/**
- * cal_backend_get_object:
- * @backend: A calendar backend.
- * @uid: Unique identifier for a calendar object.
- *
- * Queries a calendar backend for a calendar object based on its unique
- * identifier.
- *
- * Return value: The string representation of a complete calendar wrapping the
- * the sought object, or NULL if no object had the specified UID.
- **/
-char *
-cal_backend_get_object (CalBackend *backend, const char *uid)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-	g_return_val_if_fail (uid != NULL, NULL);
-
-	g_assert (CLASS (backend)->get_object != NULL);
-	return (* CLASS (backend)->get_object) (backend, uid);
-}
-
-/**
- * cal_backend_get_object_component:
- * @backend: A calendar backend.
- * @uid: Unique identifier for a calendar object.
- *
- * Queries a calendar backend for a calendar object based on its unique
- * identifier. It returns the CalComponent rather than the string
- * representation.
- *
- * Return value: The CalComponent of the sought object, or NULL if no object
- * had the specified UID.
- **/
-CalComponent *
-cal_backend_get_object_component (CalBackend *backend, const char *uid)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-	g_return_val_if_fail (uid != NULL, NULL);
-
-	g_assert (CLASS (backend)->get_object_component != NULL);
-	return (* CLASS (backend)->get_object_component) (backend, uid);
-}
-
-/**
- * cal_backend_get_timezone_object:
- * @backend: A calendar backend.
- * @tzid: Unique identifier for a calendar VTIMEZONE object.
- *
- * Queries a calendar backend for a VTIMEZONE calendar object based on its
- * unique TZID identifier.
- *
- * Return value: The string representation of a VTIMEZONE component, or NULL
- * if no VTIMEZONE object had the specified TZID.
- **/
-char *
-cal_backend_get_timezone_object (CalBackend *backend, const char *tzid)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-	g_return_val_if_fail (tzid != NULL, NULL);
-
-	g_assert (CLASS (backend)->get_timezone_object != NULL);
-	return (* CLASS (backend)->get_timezone_object) (backend, tzid);
-}
-
-/**
- * cal_backend_get_type_by_uid
- * @backend: A calendar backend.
- * @uid: Unique identifier for a Calendar object.
- *
- * Returns the type of the object identified by the @uid argument
- */
-CalObjType
-cal_backend_get_type_by_uid (CalBackend *backend, const char *uid)
-{
-	icalcomponent *icalcomp;
-	char *comp_str;
-	CalObjType type = CAL_COMPONENT_NO_TYPE;
-
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), CAL_COMPONENT_NO_TYPE);
-	g_return_val_if_fail (uid != NULL, CAL_COMPONENT_NO_TYPE);
-
-	comp_str = cal_backend_get_object (backend, uid);
-	if (!comp_str)
-		return CAL_COMPONENT_NO_TYPE;
-
-	icalcomp = icalparser_parse_string (comp_str);
-	if (icalcomp) {
-		switch (icalcomponent_isa (icalcomp)) {
-		case ICAL_VEVENT_COMPONENT :
-			type = CALOBJ_TYPE_EVENT;
-			break;
-		case ICAL_VTODO_COMPONENT :
-			type = CALOBJ_TYPE_TODO;
-			break;
-		case ICAL_VJOURNAL_COMPONENT :
-			type = CALOBJ_TYPE_JOURNAL;
-			break;
-		default :
-			type = CAL_COMPONENT_NO_TYPE;
-		}
-
-		icalcomponent_free (icalcomp);
-	}
-
-	g_free (comp_str);
-
-	return type;
-}
-
-/**
- * cal_backend_get_uids:
- * @backend: A calendar backend.
- * @type: Bitmask with types of objects to return.
- *
- * Builds a list of unique identifiers corresponding to calendar objects whose
- * type matches one of the types specified in the @type flags.
- *
- * Return value: A list of strings that are the sought UIDs.  The list should be
- * freed using the cal_obj_uid_list_free() function.
- **/
-GList *
-cal_backend_get_uids (CalBackend *backend, CalObjType type)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-
-	g_assert (CLASS (backend)->get_uids != NULL);
-	return (* CLASS (backend)->get_uids) (backend, type);
-}
-
-
-/**
- * cal_backend_get_objects_in_range:
- * @backend: A calendar backend.
- * @type: Bitmask with types of objects to return.
- * @start: Start time for query.
- * @end: End time for query.
- * 
- * Builds a list of unique identifiers corresponding to calendar objects of the
- * specified type that occur or recur within the specified time range.
- * 
- * Return value: A list of UID strings.  The list should be freed using the
- * cal_obj_uid_list_free() function.
- **/
-GList *
-cal_backend_get_objects_in_range (CalBackend *backend, CalObjType type,
-				  time_t start, time_t end)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-	g_return_val_if_fail (start != -1 && end != -1, NULL);
-	g_return_val_if_fail (start <= end, NULL);
-
-	g_assert (CLASS (backend)->get_objects_in_range != NULL);
-	return (* CLASS (backend)->get_objects_in_range) (backend, type, start, end);
-}
-
-/**
- * cal_backend_get_free_busy:
- * @backend: A calendar backend.
- * @users: List of users to get free/busy information for.
- * @start: Start time for query.
- * @end: End time for query.
- * 
- * Gets a free/busy object for the given time interval
- * 
- * Return value: a list of CalObj's
- **/
-GList *
-cal_backend_get_free_busy (CalBackend *backend, GList *users, time_t start, time_t end)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-	g_return_val_if_fail (start != -1 && end != -1, NULL);
-	g_return_val_if_fail (start <= end, NULL);
-
-	g_assert (CLASS (backend)->get_free_busy != NULL);
-	return (* CLASS (backend)->get_free_busy) (backend, users, start, end);
-}
-
-/**
- * cal_backend_get_changes:
- * @backend: A calendar backend
- * @type: Bitmask with types of objects to return.
- * @change_id: A unique uid for the callers change list
- * 
- * Builds a sequence of objects and the type of change that occurred on them since
- * the last time the give change_id was seen
- * 
- * Return value: A list of the objects that changed and the type of change
- **/
-GNOME_Evolution_Calendar_CalObjChangeSeq *
-cal_backend_get_changes (CalBackend *backend, CalObjType type, const char *change_id) 
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-	g_return_val_if_fail (change_id != NULL, NULL);
-
-	g_assert (CLASS (backend)->get_changes != NULL);
-	return (* CLASS (backend)->get_changes) (backend, type, change_id);
-}
-
-/**
- * cal_backend_get_alarms_in_range:
- * @backend: A calendar backend.
- * @start: Start time for query.
- * @end: End time for query.
- * @valid_range: Return value that says whether the range is valid or not.
- * 
- * Builds a sorted list of the alarms that trigger in the specified time range.
- * 
- * Return value: A sequence of component alarm instances structures, or NULL
- * if @valid_range returns FALSE.
- **/
-GNOME_Evolution_Calendar_CalComponentAlarmsSeq *
-cal_backend_get_alarms_in_range (CalBackend *backend, time_t start, time_t end,
-				 gboolean *valid_range)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-	g_return_val_if_fail (valid_range != NULL, NULL);
-
-	g_assert (CLASS (backend)->get_alarms_in_range != NULL);
-
-	if (!(start != -1 && end != -1 && start <= end)) {
-		*valid_range = FALSE;
-		return NULL;
-	} else {
-		*valid_range = TRUE;
-		return (* CLASS (backend)->get_alarms_in_range) (backend, start, end);
-	}
-}
-
-/**
- * cal_backend_get_alarms_for_object:
- * @backend: A calendar backend.
- * @uid: Unique identifier for a calendar object.
- * @start: Start time for query.
- * @end: End time for query.
- * @result: Return value for the result code for the operation.
- * 
- * Builds a sorted list of the alarms of the specified event that trigger in a
- * particular time range.
- * 
- * Return value: A structure of the component's alarm instances, or NULL if @result
- * returns something other than #CAL_BACKEND_GET_ALARMS_SUCCESS.
- **/
-GNOME_Evolution_Calendar_CalComponentAlarms *
-cal_backend_get_alarms_for_object (CalBackend *backend, const char *uid,
-				   time_t start, time_t end,
-				   CalBackendGetAlarmsForObjectResult *result)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-	g_return_val_if_fail (uid != NULL, NULL);
-	g_return_val_if_fail (result != NULL, NULL);
-
-	g_assert (CLASS (backend)->get_alarms_for_object != NULL);
-
-	if (!(start != -1 && end != -1 && start <= end)) {
-		*result = CAL_BACKEND_GET_ALARMS_INVALID_RANGE;
-		return NULL;
-	} else {
-		gboolean object_found;
-		GNOME_Evolution_Calendar_CalComponentAlarms *alarms;
-
-		alarms = (* CLASS (backend)->get_alarms_for_object) (backend, uid, start, end,
-								     &object_found);
-
-		if (object_found)
-			*result = CAL_BACKEND_GET_ALARMS_SUCCESS;
-		else
-			*result = CAL_BACKEND_GET_ALARMS_NOT_FOUND;
-
-		return alarms;
-	}
-}
-
-/**
- * cal_backend_update_objects:
- * @backend: A calendar backend.
- * @calobj: String representation of the new calendar object(s).
- * 
- * Updates an object in a calendar backend.  It will replace any existing
- * object that has the same UID as the specified one.  The backend will in
- * turn notify all of its clients about the change.
- * 
- * Return value: TRUE on success, FALSE on being passed an invalid object or one
- * with an unsupported type.
- **/
-gboolean
-cal_backend_update_objects (CalBackend *backend, const char *calobj)
-{
-	g_return_val_if_fail (backend != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), FALSE);
-	g_return_val_if_fail (calobj != NULL, FALSE);
-
-	g_assert (CLASS (backend)->update_objects != NULL);
-	return (* CLASS (backend)->update_objects) (backend, calobj);
-}
-
-/**
- * cal_backend_remove_object:
- * @backend: A calendar backend.
- * @uid: Unique identifier of the object to remove.
- * 
- * Removes an object in a calendar backend.  The backend will notify all of its
- * clients about the change.
- * 
- * Return value: TRUE on success, FALSE on being passed an UID for an object
- * that does not exist in the backend.
- **/
-gboolean
-cal_backend_remove_object (CalBackend *backend, const char *uid)
-{
-	g_return_val_if_fail (backend != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), FALSE);
-	g_return_val_if_fail (uid != NULL, FALSE);
-
-	g_assert (CLASS (backend)->remove_object != NULL);
-	return (* CLASS (backend)->remove_object) (backend, uid);
-}
-
-/**
- * cal_backend_last_client_gone:
- * @backend: A calendar backend.
- * 
- * Emits the "last_client_gone" signal of a calendar backend.  This function is
- * to be used only by backend implementations.
- **/
-void
-cal_backend_last_client_gone (CalBackend *backend)
-{
-	g_return_if_fail (backend != NULL);
-	g_return_if_fail (IS_CAL_BACKEND (backend));
-
-	gtk_signal_emit (GTK_OBJECT (backend), cal_backend_signals[LAST_CLIENT_GONE]);
-}
-
-/**
- * cal_backend_opened:
- * @backend: A calendar backend.
- * @status: Open status code.
- * 
- * Emits the "opened" signal of a calendar backend.  This function is to be used
- * only by backend implementations.
- **/
-void
-cal_backend_opened (CalBackend *backend, CalBackendOpenStatus status)
-{
-	g_return_if_fail (backend != NULL);
-	g_return_if_fail (IS_CAL_BACKEND (backend));
-
-	gtk_signal_emit (GTK_OBJECT (backend), cal_backend_signals[OPENED],
-			 status);
-}
-
-/**
- * cal_backend_obj_updated:
- * @backend: A calendar backend.
- * @uid: Unique identifier of the component that was updated.
- * 
- * Emits the "obj_updated" signal of a calendar backend.  This function is to be
- * used only by backend implementations.
- **/
-void
-cal_backend_obj_updated (CalBackend *backend, const char *uid)
-{
-	g_return_if_fail (backend != NULL);
-	g_return_if_fail (IS_CAL_BACKEND (backend));
-	g_return_if_fail (uid != NULL);
-
-	gtk_signal_emit (GTK_OBJECT (backend), cal_backend_signals[OBJ_UPDATED],
-			 uid);
-}
-
-/**
- * cal_backend_obj_removed:
- * @backend: A calendar backend.
- * @uid: Unique identifier of the component that was removed.
- * 
- * Emits the "obj_removed" signal of a calendar backend.  This function is to be
- * used only by backend implementations.
- **/
-void
-cal_backend_obj_removed (CalBackend *backend, const char *uid)
-{
-	g_return_if_fail (backend != NULL);
-	g_return_if_fail (IS_CAL_BACKEND (backend));
-	g_return_if_fail (uid != NULL);
-
-	gtk_signal_emit (GTK_OBJECT (backend), cal_backend_signals[OBJ_REMOVED],
-			 uid);
-}
-
-
-/**
- * cal_backend_get_timezone:
- * @backend: A calendar backend.
- * @tzid: Unique identifier of a VTIMEZONE object. Note that this must not be
- * NULL.
- * 
- * Returns the icaltimezone* corresponding to the TZID, or NULL if the TZID
- * can't be found.
- * 
- * Returns: The icaltimezone* corresponding to the given TZID, or NULL.
- **/
-icaltimezone*
-cal_backend_get_timezone (CalBackend *backend, const char *tzid)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-	g_return_val_if_fail (tzid != NULL, NULL);
-
-	g_assert (CLASS (backend)->get_timezone != NULL);
-	return (* CLASS (backend)->get_timezone) (backend, tzid);
-}
-
-
-/**
- * cal_backend_get_default_timezone:
- * @backend: A calendar backend.
- * 
- * Returns the default timezone for the calendar, which is used to resolve
- * DATE and floating DATE-TIME values.
- * 
- * Returns: The default icaltimezone* for the calendar.
- **/
-icaltimezone*
-cal_backend_get_default_timezone (CalBackend *backend)
-{
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-
-	g_assert (CLASS (backend)->get_default_timezone != NULL);
-	return (* CLASS (backend)->get_default_timezone) (backend);
-}
-
-
-/**
- * cal_backend_set_default_timezone:
- * @backend: A calendar backend.
- * @tzid: The TZID identifying the timezone.
- * 
- * Sets the default timezone for the calendar, which is used to resolve
- * DATE and floating DATE-TIME values.
- * 
- * Returns: TRUE if the VTIMEZONE data for the timezone was found, or FALSE if
- * not.
- **/
-gboolean
-cal_backend_set_default_timezone (CalBackend *backend, const char *tzid)
-{
-	g_return_val_if_fail (backend != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), FALSE);
-	g_return_val_if_fail (tzid != NULL, FALSE);
-
-	g_assert (CLASS (backend)->set_default_timezone != NULL);
-	return (* CLASS (backend)->set_default_timezone) (backend, tzid);
-}
-
diff --git a/calendar/pcs/cal-backend.h b/calendar/pcs/cal-backend.h
deleted file mode 100644
index e5f10842b4..0000000000
--- a/calendar/pcs/cal-backend.h
+++ /dev/null
@@ -1,180 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* Evolution calendar - generic backend class
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Authors: Federico Mena-Quintero <federico@ximian.com>
- *          Rodrigo Moya <rodrigo@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef CAL_BACKEND_H
-#define CAL_BACKEND_H
-
-#include <libgnome/gnome-defs.h>
-#include <cal-util/cal-util.h>
-#include <cal-util/cal-component.h>
-#include "evolution-calendar.h"
-#include "cal-common.h"
-#include "cal.h"
-
-BEGIN_GNOME_DECLS
-
-
-
-#define CAL_BACKEND_TYPE            (cal_backend_get_type ())
-#define CAL_BACKEND(obj)            (GTK_CHECK_CAST ((obj), CAL_BACKEND_TYPE, CalBackend))
-#define CAL_BACKEND_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), CAL_BACKEND_TYPE,		\
-				     CalBackendClass))
-#define IS_CAL_BACKEND(obj)         (GTK_CHECK_TYPE ((obj), CAL_BACKEND_TYPE))
-#define IS_CAL_BACKEND_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_BACKEND_TYPE))
-
-/* Open status values */
-typedef enum {
-	CAL_BACKEND_OPEN_SUCCESS,	/* Loading OK */
-	CAL_BACKEND_OPEN_ERROR,		/* We need better error reporting in libversit */
-	CAL_BACKEND_OPEN_NOT_FOUND
-} CalBackendOpenStatus;
-
-/* Result codes for ::get_alarms_in_range() */
-typedef enum {
-	CAL_BACKEND_GET_ALARMS_SUCCESS,
-	CAL_BACKEND_GET_ALARMS_NOT_FOUND,
-	CAL_BACKEND_GET_ALARMS_INVALID_RANGE
-} CalBackendGetAlarmsForObjectResult;
-
-struct _CalBackend {
-	GtkObject object;
-	GList *clients;
-};
-
-struct _CalBackendClass {
-	GtkObjectClass parent_class;
-
-	/* Notification signals */
-	void (* last_client_gone) (CalBackend *backend);
-	void (* cal_added) (CalBackend *backend, Cal *cal);
-
-	void (* opened) (CalBackend *backend, CalBackendOpenStatus status);
-	void (* obj_updated) (CalBackend *backend, const char *uid);
-	void (* obj_removed) (CalBackend *backend, const char *uid);
-
-	/* Virtual methods */
-	const char *(* get_uri) (CalBackend *backend);
-
-	CalBackendOpenStatus (* open) (CalBackend *backend, const char *uristr,
-				       gboolean only_if_exists);
-
-	gboolean (* is_loaded) (CalBackend *backend);
-
-	/* Mode relate virtual methods */
-	CalMode (* get_mode) (CalBackend *backend);
-	void    (* set_mode) (CalBackend *backend, CalMode mode);	
-
-	/* General object acquirement and information related virtual methods */
-	int (* get_n_objects) (CalBackend *backend, CalObjType type);
-	char *(* get_object) (CalBackend *backend, const char *uid);
-	CalComponent *(* get_object_component) (CalBackend *backend, const char *uid);
-	char *(* get_timezone_object) (CalBackend *backend, const char *tzid);
-	GList *(* get_uids) (CalBackend *backend, CalObjType type);
-
-	GList *(* get_objects_in_range) (CalBackend *backend, CalObjType type,
-					 time_t start, time_t end);
-	GList *(* get_free_busy) (CalBackend *backend, GList *users, time_t start, time_t end);
-
-	/* Change related virtual methods */
-	GNOME_Evolution_Calendar_CalObjChangeSeq * (* get_changes) (
-		CalBackend *backend, CalObjType type, const char *change_id);
-
-	/* Alarm related virtual methods */
-	GNOME_Evolution_Calendar_CalComponentAlarmsSeq *(* get_alarms_in_range) (
-		CalBackend *backend, time_t start, time_t end);
-	GNOME_Evolution_Calendar_CalComponentAlarms *(* get_alarms_for_object) (
-		CalBackend *backend, const char *uid,
-		time_t start, time_t end, gboolean *object_found);
-
-	/* Object manipulation virtual methods */
-	gboolean (* update_objects) (CalBackend *backend, const char *calobj);
-	gboolean (* remove_object) (CalBackend *backend, const char *uid);
-
-	/* Timezone related virtual methods */
-	icaltimezone *(* get_timezone) (CalBackend *backend, const char *tzid);
-	icaltimezone *(* get_default_timezone) (CalBackend *backend);
-	gboolean (* set_default_timezone) (CalBackend *backend, const char *tzid);
-};
-
-GtkType cal_backend_get_type (void);
-
-const char *cal_backend_get_uri (CalBackend *backend);
-
-void cal_backend_add_cal (CalBackend *backend, Cal *cal);
-
-CalBackendOpenStatus cal_backend_open (CalBackend *backend, const char *uristr,
-				       gboolean only_if_exists);
-
-gboolean cal_backend_is_loaded (CalBackend *backend);
-
-CalMode cal_backend_get_mode (CalBackend *backend);
-void cal_backend_set_mode (CalBackend *backend, CalMode mode);
-
-int cal_backend_get_n_objects (CalBackend *backend, CalObjType type);
-
-char *cal_backend_get_object (CalBackend *backend, const char *uid);
-
-CalComponent *cal_backend_get_object_component (CalBackend *backend, const char *uid);
-
-gboolean cal_backend_set_default_timezone (CalBackend *backend, const char *tzid);
-
-char *cal_backend_get_timezone_object (CalBackend *backend, const char *tzid);
-
-CalObjType cal_backend_get_type_by_uid (CalBackend *backend, const char *uid);
-
-GList *cal_backend_get_uids (CalBackend *backend, CalObjType type);
-
-GList *cal_backend_get_objects_in_range (CalBackend *backend, CalObjType type,
-					 time_t start, time_t end);
-
-GList *cal_backend_get_free_busy (CalBackend *backend, GList *users, time_t start, time_t end);
-
-GNOME_Evolution_Calendar_CalObjChangeSeq * cal_backend_get_changes (
-	CalBackend *backend, CalObjType type, const char *change_id);
-
-GNOME_Evolution_Calendar_CalComponentAlarmsSeq *cal_backend_get_alarms_in_range (
-	CalBackend *backend, time_t start, time_t end, gboolean *valid_range);
-
-GNOME_Evolution_Calendar_CalComponentAlarms *cal_backend_get_alarms_for_object (
-	CalBackend *backend, const char *uid,
-	time_t start, time_t end,
-	CalBackendGetAlarmsForObjectResult *result);
-
-
-gboolean cal_backend_update_objects (CalBackend *backend, const char *calobj);
-
-gboolean cal_backend_remove_object (CalBackend *backend, const char *uid);
-
-icaltimezone* cal_backend_get_timezone (CalBackend *backend, const char *tzid);
-icaltimezone* cal_backend_get_default_timezone (CalBackend *backend);
-
-void cal_backend_last_client_gone (CalBackend *backend);
-void cal_backend_opened (CalBackend *backend, CalBackendOpenStatus status);
-void cal_backend_obj_updated (CalBackend *backend, const char *uid);
-void cal_backend_obj_removed (CalBackend *backend, const char *uid);
-
-
-
-END_GNOME_DECLS
-
-#endif
diff --git a/calendar/pcs/cal-common.h b/calendar/pcs/cal-common.h
deleted file mode 100644
index 228a67fcfe..0000000000
--- a/calendar/pcs/cal-common.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* Evolution calendar server - common declarations
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Author: Federico Mena-Quintero <federico@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef CAL_COMMON_H
-#define CAL_COMMON_H
-
-#include <libgnome/gnome-defs.h>
-
-BEGIN_GNOME_DECLS
-
-
-
-typedef struct _CalBackend CalBackend;
-typedef struct _CalBackendClass CalBackendClass;
-
-typedef struct _Cal Cal;
-typedef struct _CalClass CalClass;
-
-
-
-END_GNOME_DECLS
-
-#endif
diff --git a/calendar/pcs/cal-factory.c b/calendar/pcs/cal-factory.c
deleted file mode 100644
index 1df133ea90..0000000000
--- a/calendar/pcs/cal-factory.c
+++ /dev/null
@@ -1,820 +0,0 @@
-/* Evolution calendar factory
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Author: Federico Mena-Quintero <federico@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <config.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <gtk/gtksignal.h>
-#include <liboaf/liboaf.h>
-#include "e-util/e-url.h"
-#include "evolution-calendar.h"
-#include "cal.h"
-#include "cal-backend.h"
-#include "cal-factory.h"
-#include "job.h"
-
-#define PARENT_TYPE                BONOBO_X_OBJECT_TYPE
-#define DEFAULT_CAL_FACTORY_OAF_ID "OAFIID:GNOME_Evolution_Wombat_CalendarFactory"
-
-static BonoboXObjectClass *parent_class;
-
-/* Private part of the CalFactory structure */
-struct _CalFactoryPrivate {
-	/* Hash table from URI method strings to GtkType * for backend class types */
-	GHashTable *methods;
-
-	/* Hash table from GnomeVFSURI structures to CalBackend objects */
-	GHashTable *backends;
-
-	/* OAFIID of the factory */
-	char *iid;
-
-	/* Whether we have been registered with OAF yet */
-	guint registered : 1;
-};
-
-typedef struct 
-{
-	CalFactory *factory;	
-	GNOME_Evolution_Calendar_CalMode mode;	
-	GNOME_Evolution_Calendar_StringSeq *list;
-} CalFactoryUriData;
-
-/* Signal IDs */
-enum SIGNALS {
-	LAST_CALENDAR_GONE,
-	LAST_SIGNAL
-};
-
-static guint signals[LAST_SIGNAL];
-
-/* Frees a method/GtkType * pair from the methods hash table */
-static void
-free_method (gpointer key, gpointer value, gpointer data)
-{
-	char *method;
-	GtkType *type;
-
-	method = key;
-	type = value;
-
-	g_free (method);
-	g_free (type);
-}
-
-/* Frees a uri/backend pair from the backends hash table */
-static void
-free_backend (gpointer key, gpointer value, gpointer data)
-{
-	char *uri;
-	CalBackend *backend;
-
-	uri = key;
-	backend = value;
-
-	g_free (uri);
-	gtk_object_unref (GTK_OBJECT (backend));
-}
-
-/* Opening calendars */
-
-/* Looks up a calendar backend in a factory's hash table of uri->cal.  If
- * *non-NULL, orig_uri_return will be set to point to the original key in the
- * *hash table.
- */
-static CalBackend *
-lookup_backend (CalFactory *factory, const char *uristr, char **orig_uri_return)
-{
-	CalFactoryPrivate *priv;
-	EUri *uri;
-	char *tmp;
-	gboolean found;
-	gpointer orig_key;
-	gpointer data;
-
-	priv = factory->priv;
-
-	uri = e_uri_new (uristr);
-	if (!uri) {
-		if (orig_uri_return)
-			*orig_uri_return = NULL;
-
-		return NULL;
-	}
-
-	tmp = e_uri_to_string (uri, FALSE);
-	found = g_hash_table_lookup_extended (priv->backends, tmp, &orig_key, &data);
-	g_free (tmp);
-	e_uri_free (uri);
-
-	if (found) {
-		if (orig_uri_return)
-			*orig_uri_return = orig_key;
-
-		return CAL_BACKEND (data);
-	} else {
-		if (orig_uri_return)
-			*orig_uri_return = FALSE;
-
-		return NULL;
-	}
-}
-
-/* Callback used when a backend loses its last connected client */
-static void
-backend_last_client_gone_cb (CalBackend *backend, gpointer data)
-{
-	CalFactory *factory;
-	CalFactoryPrivate *priv;
-	CalBackend *ret_backend;
-	const char *uristr;
-	char *orig_uristr;
-
-	fprintf (stderr, "backend_last_client_gone_cb() called!\n");
-
-	factory = CAL_FACTORY (data);
-	priv = factory->priv;
-
-	/* Remove the backend from the hash table */
-
-	uristr = cal_backend_get_uri (backend);
-	g_assert (uristr != NULL);
-
-	ret_backend = lookup_backend (factory, uristr, &orig_uristr);
-	g_assert (ret_backend != NULL);
-	g_assert (ret_backend == backend);
-
-	g_hash_table_remove (priv->backends, orig_uristr);
-	g_free (orig_uristr);
-
-	gtk_object_unref (GTK_OBJECT (backend));
-
-	/* Notify upstream if there are no more backends */
-
-	if (g_hash_table_size (priv->backends) == 0)
-		gtk_signal_emit (GTK_OBJECT (factory), signals[LAST_CALENDAR_GONE]);
-}
-
-/* Adds a backend to the calendar factory's hash table */
-static void
-add_backend (CalFactory *factory, const char *uristr, CalBackend *backend)
-{
-	CalFactoryPrivate *priv;
-	EUri *uri;
-	char *tmp;
-
-	priv = factory->priv;
-
-	uri = e_uri_new (uristr);
-	if (!uri)
-		return;
-
-	tmp = e_uri_to_string (uri, FALSE);
-	g_hash_table_insert (priv->backends, tmp, backend);
-	e_uri_free (uri);
-
-	gtk_signal_connect (GTK_OBJECT (backend), "last_client_gone",
-			    GTK_SIGNAL_FUNC (backend_last_client_gone_cb),
-			    factory);
-}
-
-/* Tries to launch a backend for the method of the specified URI.  If there is
- * no such method registered in the factory, it sends the listener the
- * MethodNotSupported error code.
- */
-static CalBackend *
-launch_backend_for_uri (CalFactory *factory,
-			const char *uristr,
-			GNOME_Evolution_Calendar_Listener listener)
-{
-	CalFactoryPrivate *priv;
-	const char *method;
-	GtkType *type;
-	CalBackend *backend;
-	EUri *uri;
-
-	priv = factory->priv;
-
-	uri = e_uri_new (uristr);
-	if (!uri)
-		return NULL;
-
-	method = uri->protocol;
-	type = g_hash_table_lookup (priv->methods, method);
-	e_uri_free (uri);
-
-	if (!type) {
-		CORBA_Environment ev;
-
-		CORBA_exception_init (&ev);
-		GNOME_Evolution_Calendar_Listener_notifyCalOpened (
-			listener,
-			GNOME_Evolution_Calendar_Listener_METHOD_NOT_SUPPORTED,
-			CORBA_OBJECT_NIL,
-			&ev);
-
-		if (ev._major != CORBA_NO_EXCEPTION)
-			g_message ("launch_backend_for_uri(): could not notify the listener");
-
-		CORBA_exception_free (&ev);
-		return NULL;
-	}
-
-	backend = gtk_type_new (*type);
-	if (!backend)
-		g_message ("launch_backend_for_uri(): could not launch the backend");
-
-	return backend;
-}
-
-/* Opens a calendar backend and puts it in the factory's backend hash table */
-static CalBackend *
-open_backend (CalFactory *factory, const char *uristr, gboolean only_if_exists,
-	      GNOME_Evolution_Calendar_Listener listener)
-{
-	CalFactoryPrivate *priv;
-	CalBackend *backend;
-	CalBackendOpenStatus status;
-	CORBA_Environment ev;
-
-	priv = factory->priv;
-
-	backend = launch_backend_for_uri (factory, uristr, listener);
-	if (!backend)
-		return NULL;
-
-	status = cal_backend_open (backend, uristr, only_if_exists);
-
-	switch (status) {
-	case CAL_BACKEND_OPEN_SUCCESS:
-		add_backend (factory, uristr, backend);
-		return backend;
-
-	case CAL_BACKEND_OPEN_ERROR:
-		gtk_object_unref (GTK_OBJECT (backend));
-
-		CORBA_exception_init (&ev);
-		GNOME_Evolution_Calendar_Listener_notifyCalOpened (
-			listener,
-			GNOME_Evolution_Calendar_Listener_ERROR,
-			CORBA_OBJECT_NIL,
-			&ev);
-
-		if (ev._major != CORBA_NO_EXCEPTION)
-			g_message ("open_backend(): could not notify the listener");
-
-		CORBA_exception_free (&ev);
-		return NULL;
-
-	case CAL_BACKEND_OPEN_NOT_FOUND:
-		gtk_object_unref (GTK_OBJECT (backend));
-
-		CORBA_exception_init (&ev);
-		GNOME_Evolution_Calendar_Listener_notifyCalOpened (
-			listener,
-			GNOME_Evolution_Calendar_Listener_NOT_FOUND,
-			CORBA_OBJECT_NIL,
-			&ev);
-
-		if (ev._major != CORBA_NO_EXCEPTION)
-			g_message ("open_backend(): could not notify the listener");
-
-		CORBA_exception_free (&ev);
-		return NULL;
-
-	default:
-		g_assert_not_reached ();
-		return NULL;
-	}
-}
-
-/* Adds a listener to a calendar backend by creating a calendar client interface
- * object.
- */
-static void
-add_calendar_client (CalFactory *factory,
-		     CalBackend *backend,
-		     GNOME_Evolution_Calendar_Listener listener)
-{
-	Cal *cal;
-	CORBA_Environment ev;
-
-	cal = cal_new (backend, listener);
-	if (!cal) {
-		g_message ("add_calendar_client(): could not create the calendar client interface");
-
-		CORBA_exception_init (&ev);
-		GNOME_Evolution_Calendar_Listener_notifyCalOpened (
-			listener,
-			GNOME_Evolution_Calendar_Listener_ERROR,
-			CORBA_OBJECT_NIL,
-			&ev);
-		if (ev._major != CORBA_NO_EXCEPTION)
-			g_message ("add_calendar_client(): could not notify the listener");
-
-		CORBA_exception_free (&ev);
-		return;
-	}
-
-	cal_backend_add_cal (backend, cal);
-
-	CORBA_exception_init (&ev);
-	GNOME_Evolution_Calendar_Listener_notifyCalOpened (
-		listener,
-		GNOME_Evolution_Calendar_Listener_SUCCESS,
-		BONOBO_OBJREF (cal),
-		&ev);
-
-	if (ev._major != CORBA_NO_EXCEPTION) {
-		g_message ("add_calendar_client(): could not notify the listener");
-		bonobo_object_unref (BONOBO_OBJECT (cal));
-	}
-
-	CORBA_exception_free (&ev);
-}
-
-/* Add a uri to a string list */
-static void
-add_uri (gpointer key, gpointer value, gpointer data)
-{
-	CalFactoryUriData *cfud = data;
-	CalFactory *factory = cfud->factory;	
-	GNOME_Evolution_Calendar_StringSeq *list = cfud->list;
-	GNOME_Evolution_Calendar_CalMode mode = cfud->mode;
-	char *uri_string = key;
-	CalBackend *backend;
-
-	switch (mode) {
-	case GNOME_Evolution_Calendar_MODE_LOCAL:
-		backend = lookup_backend (factory, uri_string, NULL);
-		if (backend == NULL || cal_backend_get_mode (backend) != CAL_MODE_LOCAL)
-			return;
-		break;		
-	case GNOME_Evolution_Calendar_MODE_REMOTE:
-		backend = lookup_backend (factory, uri_string, NULL);
-		if (backend == NULL || cal_backend_get_mode (backend) != CAL_MODE_REMOTE)
-			return;
-		break;		
-	case GNOME_Evolution_Calendar_MODE_ANY:
-		break;
-	}
-	
-	list->_buffer[list->_length] = CORBA_string_dup (uri_string);
-	list->_length++;
-}
-
-/* Job data */
-typedef struct {
-	CalFactory *factory;
-	char *uri;
-	gboolean only_if_exists;
-	GNOME_Evolution_Calendar_Listener listener;
-} OpenJobData;
-
-/* Job handler for the open calendar command */
-static void
-open_fn (gpointer data)
-{
-	OpenJobData *jd;
-	CalFactory *factory;
-	gboolean only_if_exists;
-	GNOME_Evolution_Calendar_Listener listener;
-	CalBackend *backend;
-	CORBA_Environment ev;
-	char *uri_string;
-
-	jd = data;
-	g_assert (jd->uri != NULL);
-
-	/* Check the URI */
-	uri_string = g_strdup (jd->uri);
-	g_free (jd->uri);
-
-	only_if_exists = jd->only_if_exists;
-	factory = jd->factory;
-	listener = jd->listener;
-	g_free (jd);
-
-	if (!uri_string) {
-		CORBA_exception_init (&ev);
-		GNOME_Evolution_Calendar_Listener_notifyCalOpened (
-			listener,
-			GNOME_Evolution_Calendar_Listener_ERROR,
-			CORBA_OBJECT_NIL,
-			&ev);
-
-		if (ev._major != CORBA_NO_EXCEPTION)
-			g_message ("open_fn(): Could not notify the listener!");
-
-		CORBA_exception_free (&ev);
-		goto out;
-	}
-
-	/* Look up the backend and create it if needed */
-
-	backend = lookup_backend (factory, uri_string, NULL);
-
-	if (!backend)
-		backend = open_backend (factory, uri_string, only_if_exists, listener);
-
-	if (backend)
-		add_calendar_client (factory, backend, listener);
-
- out:
-
-	CORBA_exception_init (&ev);
-	CORBA_Object_release (listener, &ev);
-
-	if (ev._major != CORBA_NO_EXCEPTION)
-		g_message ("open_fn(): could not release the listener");
-
-	CORBA_exception_free (&ev);
-}
-
-
-
-static void
-impl_CalFactory_open (PortableServer_Servant servant,
-		      const CORBA_char *str_uri,
-		      CORBA_boolean only_if_exists,
-		      GNOME_Evolution_Calendar_Listener listener,
-		      CORBA_Environment *ev)
-{
-	CalFactory *factory;
-	CalFactoryPrivate *priv;
-	CORBA_Environment ev2;
-	gboolean result;
-	OpenJobData *jd;
-	GNOME_Evolution_Calendar_Listener listener_copy;
-	GtkType *type;
-	EUri *uri;
-
-	factory = CAL_FACTORY (bonobo_object_from_servant (servant));
-	priv = factory->priv;
-
-	/* check URI to see if we support it */
-
-	uri = e_uri_new (str_uri);
-	if (!uri) {
-		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
-				     ex_GNOME_Evolution_Calendar_CalFactory_InvalidURI,
-				     NULL);
-		return;
-	}
-
-	type = g_hash_table_lookup (priv->methods, uri->protocol);
-
-	e_uri_free (uri);
-	if (!type) {
-		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
-				     ex_GNOME_Evolution_Calendar_CalFactory_UnsupportedMethod,
-				     NULL);
-		return;
-	}
-		
-	/* duplicate the listener object */
-	CORBA_exception_init (&ev2);
-	result = CORBA_Object_is_nil (listener, &ev2);
-
-	if (ev2._major != CORBA_NO_EXCEPTION || result) {
-		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
-				     ex_GNOME_Evolution_Calendar_CalFactory_NilListener,
-				     NULL);
-
-		CORBA_exception_free (&ev2);
-		return;
-	}
-	CORBA_exception_free (&ev2);
-
-	CORBA_exception_init (&ev2);
-	listener_copy = CORBA_Object_duplicate (listener, &ev2);
-
-	if (ev2._major != CORBA_NO_EXCEPTION) {
-		g_message ("CalFactory_open(): could not duplicate the listener");
-		CORBA_exception_free (&ev2);
-		CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
-				     ex_GNOME_Evolution_Calendar_CalFactory_NilListener,
-				     NULL);
-		return;
-	}
-
-	CORBA_exception_free (&ev2);
-
-	/* add new asynchronous job */
-	jd = g_new (OpenJobData, 1);
-	jd->factory = factory;
-	jd->uri = g_strdup (str_uri);
-	jd->only_if_exists = only_if_exists;
-	jd->listener = listener_copy;
-
-	job_add (open_fn, jd);
-}
-
-static GNOME_Evolution_Calendar_StringSeq *
-impl_CalFactory_uriList (PortableServer_Servant servant,
-			 GNOME_Evolution_Calendar_CalMode mode,
-			 CORBA_Environment *ev)
-{
-	CalFactory *factory;
-	CalFactoryPrivate *priv;
-	CalFactoryUriData cfud;
-	GNOME_Evolution_Calendar_StringSeq *list;
-
-	factory = CAL_FACTORY (bonobo_object_from_servant (servant));
-	priv = factory->priv;
-
-	list = GNOME_Evolution_Calendar_StringSeq__alloc ();
-	list->_length = 0;
-	list->_maximum = g_hash_table_size (priv->backends); 
-	list->_buffer = CORBA_sequence_CORBA_string_allocbuf (list->_maximum);
-
-	cfud.factory = factory;	
-	cfud.mode = mode;	
-	cfud.list = list;
-	g_hash_table_foreach (priv->backends, add_uri, &cfud);
-	
-	return list;	
-
-}
-
-
-
-/**
- * cal_factory_new:
- * @void:
- *
- * Creates a new #CalFactory object.
- *
- * Return value: A newly-created #CalFactory, or NULL if its corresponding CORBA
- * object could not be created.
- **/
-CalFactory *
-cal_factory_new (void)
-{
-	CalFactory *factory;
-
-	factory = gtk_type_new (CAL_FACTORY_TYPE);
-
-	return factory;
-}
-
-/* Destroy handler for the calendar */
-static void
-cal_factory_destroy (GtkObject *object)
-{
-	CalFactory *factory;
-	CalFactoryPrivate *priv;
-
-	g_return_if_fail (object != NULL);
-	g_return_if_fail (IS_CAL_FACTORY (object));
-
-	factory = CAL_FACTORY (object);
-	priv = factory->priv;
-
-	g_hash_table_foreach (priv->methods, free_method, NULL);
-	g_hash_table_destroy (priv->methods);
-	priv->methods = NULL;
-
-	/* Should we assert that there are no more backends? */
-
-	g_hash_table_foreach (priv->backends, free_backend, NULL);
-	g_hash_table_destroy (priv->backends);
-	priv->backends = NULL;
-
-	if (priv->registered) {
-		oaf_active_server_unregister (priv->iid, BONOBO_OBJREF (factory));
-		priv->registered = FALSE;
-	}
-	g_free (priv->iid);
-
-	g_free (priv);
-	factory->priv = NULL;
-
-	if (GTK_OBJECT_CLASS (parent_class)->destroy)
-		(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-/* Class initialization function for the calendar factory */
-static void
-cal_factory_class_init (CalFactoryClass *klass)
-{
-	GtkObjectClass *object_class = (GtkObjectClass *) klass;
-	POA_GNOME_Evolution_Calendar_CalFactory__epv *epv = &klass->epv;
-
-	parent_class = gtk_type_class (bonobo_object_get_type ());
-
-	signals[LAST_CALENDAR_GONE] =
-		gtk_signal_new ("last_calendar_gone",
-				GTK_RUN_FIRST,
-				object_class->type,
-				GTK_SIGNAL_OFFSET (CalFactoryClass, last_calendar_gone),
-				gtk_marshal_NONE__NONE,
-				GTK_TYPE_NONE, 0);
-
-	gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
-
-	/* Class method overrides */
-	object_class->destroy = cal_factory_destroy;
-
-	/* Epv methods */
-	epv->open = impl_CalFactory_open;
-	epv->uriList = impl_CalFactory_uriList;
-}
-
-/* Object initialization function for the calendar factory */
-static void
-cal_factory_init (CalFactory *factory)
-{
-	CalFactoryPrivate *priv;
-
-	priv = g_new0 (CalFactoryPrivate, 1);
-	factory->priv = priv;
-
-	priv->methods = g_hash_table_new (g_str_hash, g_str_equal);
-	priv->backends = g_hash_table_new (g_str_hash, g_str_equal);
-	priv->registered = FALSE;
-}
-
-BONOBO_X_TYPE_FUNC_FULL (CalFactory,
-			 GNOME_Evolution_Calendar_CalFactory,
-			 PARENT_TYPE,
-			 cal_factory);
-
-/* Returns the lowercase version of a string */
-static char *
-str_tolower (const char *s)
-{
-	char *str;
-	unsigned char *p;
-
-	str = g_strdup (s);
-	for (p = str; *p; p++)
-		if (isalpha (*p))
-			*p = tolower (*p);
-
-	return str;
-}
-
-/**
- * cal_factory_oaf_register:
- * @factory: A calendar factory.
- * @iid: OAFIID for the factory to be registered.
- * 
- * Registers a calendar factory with the OAF object activation daemon.  This
- * function must be called before any clients can activate the factory.
- * 
- * Return value: TRUE on success, FALSE otherwise.
- **/
-gboolean
-cal_factory_oaf_register (CalFactory *factory, const char *iid)
-{
-	CalFactoryPrivate *priv;
-	OAF_RegistrationResult result;
-	char *tmp_iid;
-
-	g_return_val_if_fail (factory != NULL, FALSE);
-	g_return_val_if_fail (IS_CAL_FACTORY (factory), FALSE);
-
-	priv = factory->priv;
-
-	g_return_val_if_fail (!priv->registered, FALSE);
-
-	/* if iid is NULL, use the default factory OAFIID */
-	if (iid)
-		tmp_iid = g_strdup (iid);
-	else
-		tmp_iid = g_strdup (DEFAULT_CAL_FACTORY_OAF_ID);
-
-	result = oaf_active_server_register (tmp_iid, BONOBO_OBJREF (factory));
-
-	switch (result) {
-	case OAF_REG_SUCCESS:
-		priv->registered = TRUE;
-		priv->iid = tmp_iid;
-		return TRUE;
-
-	case OAF_REG_NOT_LISTED:
-		g_message ("cal_factory_oaf_register(): Cannot register the calendar factory: "
-			   "not listed");
-		break;
-
-	case OAF_REG_ALREADY_ACTIVE:
-		g_message ("cal_factory_oaf_register(): Cannot register the calendar factory: "
-			   "already active");
-		break;
-
-	case OAF_REG_ERROR:
-	default:
-		g_message ("cal_factory_oaf_register(): Cannot register the calendar factory: "
-			   "generic error");
-		break;
-	}
-
-	g_free (tmp_iid);
-
-	return FALSE;
-}
-
-/**
- * cal_factory_register_method:
- * @factory: A calendar factory.
- * @method: Method for the URI, i.e. "http", "file", etc.
- * @backend_type: Class type of the backend to create for this @method.
- * 
- * Registers the type of a #CalBackend subclass that will be used to handle URIs
- * with a particular method.  When the factory is asked to open a particular
- * URI, it will look in its list of registered methods and create a backend of
- * the appropriate type.
- **/
-void
-cal_factory_register_method (CalFactory *factory, const char *method, GtkType backend_type)
-{
-	CalFactoryPrivate *priv;
-	GtkType *type;
-	char *method_str;
-
-	g_return_if_fail (factory != NULL);
-	g_return_if_fail (IS_CAL_FACTORY (factory));
-	g_return_if_fail (method != NULL);
-	g_return_if_fail (backend_type != 0);
-	g_return_if_fail (gtk_type_is_a (backend_type, CAL_BACKEND_TYPE));
-
-	priv = factory->priv;
-
-	method_str = str_tolower (method);
-
-	type = g_hash_table_lookup (priv->methods, method_str);
-	if (type) {
-		g_message ("cal_factory_register_method(): Method `%s' already registered!",
-			   method_str);
-		g_free (method_str);
-		return;
-	}
-
-	type = g_new (GtkType, 1);
-	*type = backend_type;
-
-	g_hash_table_insert (priv->methods, method_str, type);
-}
-
-/**
- * cal_factory_get_n_backends:
- * @factory: A calendar factory.
- * 
- * Queries the number of running calendar backends in a calendar factory.
- * 
- * Return value: Number of running backends.
- **/
-int
-cal_factory_get_n_backends (CalFactory *factory)
-{
-	CalFactoryPrivate *priv;
-
-	g_return_val_if_fail (factory != NULL, -1);
-	g_return_val_if_fail (IS_CAL_FACTORY (factory), -1);
-
-	priv = factory->priv;
-	return g_hash_table_size (priv->backends);
-}
-
-/* Frees a uri/backend pair from the backends hash table */
-static void
-dump_backend (gpointer key, gpointer value, gpointer data)
-{
-	char *uri;
-	CalBackend *backend;
-
-	uri = key;
-	backend = value;
-
-	g_message ("  %s: %p", uri, backend);
-}
-
-void
-cal_factory_dump_active_backends   (CalFactory *factory)
-{
-	CalFactoryPrivate *priv;
-
-	g_message ("Active PCS backends");
-
-	priv = factory->priv;
-	g_hash_table_foreach (priv->backends, dump_backend, NULL);
-}
diff --git a/calendar/pcs/cal-factory.h b/calendar/pcs/cal-factory.h
deleted file mode 100644
index 46a66ed9a0..0000000000
--- a/calendar/pcs/cal-factory.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/* Evolution calendar factory
- *
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Author: Federico Mena-Quintero <federico@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef CAL_FACTORY_H
-#define CAL_FACTORY_H
-
-#include <libgnome/gnome-defs.h>
-#include <bonobo/bonobo-xobject.h>
-
-#include "evolution-calendar.h"
-
-BEGIN_GNOME_DECLS
-
-
-
-#define CAL_FACTORY_TYPE            (cal_factory_get_type ())
-#define CAL_FACTORY(obj)            (GTK_CHECK_CAST ((obj), CAL_FACTORY_TYPE, CalFactory))
-#define CAL_FACTORY_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), CAL_FACTORY_TYPE,		\
-				     CalFactoryClass))
-#define IS_CAL_FACTORY(obj)         (GTK_CHECK_TYPE ((obj), CAL_FACTORY_TYPE))
-#define IS_CAL_FACTORY_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_FACTORY_TYPE))
-
-typedef struct _CalFactory CalFactory;
-typedef struct _CalFactoryClass CalFactoryClass;
-
-typedef struct _CalFactoryPrivate CalFactoryPrivate;
-
-struct _CalFactory {
-	BonoboXObject object;
-
-	/* Private data */
-	CalFactoryPrivate *priv;
-};
-
-struct _CalFactoryClass {
-	BonoboXObjectClass parent_class;
-	
-	POA_GNOME_Evolution_Calendar_CalFactory__epv epv;
-
-	/* Notification signals */
-	void (* last_calendar_gone) (CalFactory *factory);
-};
-
-GtkType     cal_factory_get_type        (void);
-CalFactory *cal_factory_new             (void);
-
-gboolean    cal_factory_oaf_register    (CalFactory *factory, const char *iid);
-void        cal_factory_register_method (CalFactory *factory,
-					 const char *method,
-					 GtkType     backend_type);
-int         cal_factory_get_n_backends  (CalFactory *factory);
-void        cal_factory_dump_active_backends   (CalFactory *factory);
-
-END_GNOME_DECLS
-
-#endif
diff --git a/calendar/pcs/cal.c b/calendar/pcs/cal.c
deleted file mode 100644
index 9409d20120..0000000000
--- a/calendar/pcs/cal.c
+++ /dev/null
@@ -1,865 +0,0 @@
-/* Evolution calendar client interface object
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Authors: Federico Mena-Quintero <federico@ximian.com>
- *          Rodrigo Moya <rodrigo@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <config.h>
-#include <ical.h>
-#include <bonobo/bonobo-exception.h>
-#include "cal.h"
-#include "query.h"
-#include "wombat.h"
-
-#define PARENT_TYPE         BONOBO_X_OBJECT_TYPE
-
-static BonoboXObjectClass *parent_class;
-
-/* Private part of the Cal structure */
-struct _CalPrivate {
-	/* Our backend */
-	CalBackend *backend;
-
-	/* Listener on the client we notify */
-	GNOME_Evolution_Calendar_Listener listener;
-
-	/* A reference to the WombatClient interface */
-	GNOME_Evolution_WombatClient wombat_client;
-};
-
-
-/* Cal::get_uri method */
-static CORBA_char *
-impl_Cal_get_uri (PortableServer_Servant servant,
-	     CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	const char *str_uri;
-	CORBA_char *str_uri_copy;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	str_uri = cal_backend_get_uri (priv->backend);
-	str_uri_copy = CORBA_string_dup (str_uri);
-
-	return str_uri_copy;
-}
-
-/* Converts a calendar object type from its CORBA representation to our own
- * representation.
- */
-static CalObjType
-uncorba_obj_type (GNOME_Evolution_Calendar_CalObjType type)
-{
-	return (((type & GNOME_Evolution_Calendar_TYPE_EVENT) ? CALOBJ_TYPE_EVENT : 0)
-		| ((type & GNOME_Evolution_Calendar_TYPE_TODO) ? CALOBJ_TYPE_TODO : 0)
-		| ((type & GNOME_Evolution_Calendar_TYPE_JOURNAL) ? CALOBJ_TYPE_JOURNAL : 0));
-}
-
-static void
-impl_Cal_set_mode (PortableServer_Servant servant,
-		   GNOME_Evolution_Calendar_CalMode mode,
-		   CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	cal_backend_set_mode (priv->backend, mode);
-}
-
-/* Cal::get_n_objects method */
-static CORBA_long
-impl_Cal_get_n_objects (PortableServer_Servant servant,
-			GNOME_Evolution_Calendar_CalObjType type,
-			CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	int t;
-	int n;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	t = uncorba_obj_type (type);
-	n = cal_backend_get_n_objects (priv->backend, t);
-	return n;
-}
-
-/* Cal::get_object method */
-static GNOME_Evolution_Calendar_CalObj
-impl_Cal_get_object (PortableServer_Servant servant,
-		     const GNOME_Evolution_Calendar_CalObjUID uid,
-		     CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	char *calobj;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	calobj = cal_backend_get_object (priv->backend, uid);
-
-	if (calobj) {
-		CORBA_char *calobj_copy;
-
-		calobj_copy = CORBA_string_dup (calobj);
-		g_free (calobj);
-		return calobj_copy;
-	} else {
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_NotFound);
-
-		return NULL;
-	}
-}
-
-static GNOME_Evolution_Calendar_CalObjUIDSeq *
-build_uid_seq (GList *uids)
-{
-	GNOME_Evolution_Calendar_CalObjUIDSeq *seq;
-	GList *l;
-	int n, i;
-
-	n = g_list_length (uids);
-
-	seq = GNOME_Evolution_Calendar_CalObjUIDSeq__alloc ();
-	CORBA_sequence_set_release (seq, TRUE);
-	seq->_length = n;
-	seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalObjUID_allocbuf (n);
-
-	/* Fill the sequence */
-
-	for (i = 0, l = uids; l; i++, l = l->next) {
-		char *uid;
-
-		uid = l->data;
-		seq->_buffer[i] = CORBA_string_dup (uid);
-	}
-
-	return seq;
-}
-
-/* Cal::get_uids method */
-static GNOME_Evolution_Calendar_CalObjUIDSeq *
-impl_Cal_get_uids (PortableServer_Servant servant,
-		   GNOME_Evolution_Calendar_CalObjType type,
-		   CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	GList *uids;
-	GNOME_Evolution_Calendar_CalObjUIDSeq *seq;
-	int t;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	t = uncorba_obj_type (type);
-
-	uids = cal_backend_get_uids (priv->backend, t);
-	seq = build_uid_seq (uids);
-
-	cal_obj_uid_list_free (uids);
-
-	return seq;
-}
-
-/* Cal::get_changes method */
-static GNOME_Evolution_Calendar_CalObjChangeSeq *
-impl_Cal_get_changes (PortableServer_Servant servant,
-		      GNOME_Evolution_Calendar_CalObjType type,
-		      const CORBA_char *change_id,
-		      CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	int t;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	t = uncorba_obj_type (type);
-	
-	return cal_backend_get_changes (priv->backend, t, change_id);
-}
-
-/* Cal::get_objects_in_range method */
-static GNOME_Evolution_Calendar_CalObjUIDSeq *
-impl_Cal_get_objects_in_range (PortableServer_Servant servant,
-			       GNOME_Evolution_Calendar_CalObjType type,
-			       GNOME_Evolution_Calendar_Time_t start,
-			       GNOME_Evolution_Calendar_Time_t end,
-			       CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	int t;
-	time_t t_start, t_end;
-	GNOME_Evolution_Calendar_CalObjUIDSeq *seq;
-	GList *uids;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	t = uncorba_obj_type (type);
-	t_start = (time_t) start;
-	t_end = (time_t) end;
-
-	if (t_start > t_end || t_start == -1 || t_end == -1) {
-		bonobo_exception_set (ev,  ex_GNOME_Evolution_Calendar_Cal_InvalidRange);
-		return NULL;
-	}
-
-	uids = cal_backend_get_objects_in_range (priv->backend, t, t_start, t_end);
-	seq = build_uid_seq (uids);
-
-	cal_obj_uid_list_free (uids);
-
-	return seq;
-}
-
-static GNOME_Evolution_Calendar_CalObjSeq *
-build_fb_seq (GList *obj_list)
-{
-	GNOME_Evolution_Calendar_CalObjSeq *seq;
-	GList *l;
-	int n, i;
-
-	n = g_list_length (obj_list);
-
-	seq = GNOME_Evolution_Calendar_CalObjSeq__alloc ();
-	CORBA_sequence_set_release (seq, TRUE);
-	seq->_length = n;
-	seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalObj_allocbuf (n);
-
-	/* Fill the sequence */
-
-	for (i = 0, l = obj_list; l; i++, l = l->next) {
-		char *calobj;
-
-		calobj = l->data;
-		seq->_buffer[i] = CORBA_string_dup (calobj);
-	}
-
-	return seq;
-}
-
-/* Cal::get_free_busy method */
-static GNOME_Evolution_Calendar_CalObjSeq *
-impl_Cal_get_free_busy (PortableServer_Servant servant,
-			const GNOME_Evolution_Calendar_UserList *user_list,
-			const GNOME_Evolution_Calendar_Time_t start,
-			const GNOME_Evolution_Calendar_Time_t end,
-			CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	time_t t_start, t_end;
-	GList *users = NULL;
-	GList *obj_list;
-	GNOME_Evolution_Calendar_CalObjSeq *seq;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	t_start = (time_t) start;
-	t_end = (time_t) end;
-
-	if (t_start > t_end || t_start == -1 || t_end == -1) {
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_InvalidRange);
-		return build_fb_seq (NULL);
-	}
-
-	/* convert the CORBA user list to a GList */
-	if (user_list) {
-		int i;
-
-		for (i = 0; i < user_list->_length; i++)
-			users = g_list_append (users, user_list->_buffer[i]);
-	}
-
-	/* call the backend's get_free_busy method */
-	obj_list = cal_backend_get_free_busy (priv->backend, users, t_start, t_end);
-	seq = build_fb_seq (obj_list);	
-	g_list_free (users);
-
-        if (obj_list == NULL)
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_NotFound);
-
-        return seq;
-}
-
-/* Cal::get_alarms_in_range method */
-static GNOME_Evolution_Calendar_CalComponentAlarmsSeq *
-impl_Cal_get_alarms_in_range (PortableServer_Servant servant,
-			      GNOME_Evolution_Calendar_Time_t start,
-			      GNOME_Evolution_Calendar_Time_t end,
-			      CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	time_t t_start, t_end;
-	gboolean valid_range;
-	GNOME_Evolution_Calendar_CalComponentAlarmsSeq *seq;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	t_start = (time_t) start;
-	t_end = (time_t) end;
-
-	seq = cal_backend_get_alarms_in_range (priv->backend, t_start, t_end, &valid_range);
-	if (!valid_range) {
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_InvalidRange);
-		return NULL;
-	}
-
-	return seq;
-}
-
-/* Cal::get_alarms_for_object method */
-static GNOME_Evolution_Calendar_CalComponentAlarms *
-impl_Cal_get_alarms_for_object (PortableServer_Servant servant,
-				const GNOME_Evolution_Calendar_CalObjUID uid,
-				GNOME_Evolution_Calendar_Time_t start,
-				GNOME_Evolution_Calendar_Time_t end,
-				CORBA_Environment * ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	time_t t_start, t_end;
-	GNOME_Evolution_Calendar_CalComponentAlarms *alarms;
-	CalBackendGetAlarmsForObjectResult result;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	t_start = (time_t) start;
-	t_end = (time_t) end;
-
-	alarms = cal_backend_get_alarms_for_object (priv->backend, uid, t_start, t_end, &result);
-
-	switch (result) {
-	case CAL_BACKEND_GET_ALARMS_SUCCESS:
-		return alarms;
-
-	case CAL_BACKEND_GET_ALARMS_NOT_FOUND:
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_NotFound);
-		return NULL;
-
-	case CAL_BACKEND_GET_ALARMS_INVALID_RANGE:
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_InvalidRange);
-		return NULL;
-
-	default:
-		g_assert_not_reached ();
-		return NULL;
-	}
-}
-
-/* Cal::update_objects method */
-static void
-impl_Cal_update_objects (PortableServer_Servant servant,
-			 const GNOME_Evolution_Calendar_CalObj calobj,
-			 CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	if (!cal_backend_update_objects (priv->backend, calobj))
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_InvalidObject);
-}
-
-/* Cal::remove_object method */
-static void
-impl_Cal_remove_object (PortableServer_Servant servant,
-			const GNOME_Evolution_Calendar_CalObjUID uid,
-			CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	if (!cal_backend_remove_object (priv->backend, uid))
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_NotFound);
-}
-
-/* Cal::getQuery implementation */
-static GNOME_Evolution_Calendar_Query
-impl_Cal_get_query (PortableServer_Servant servant,
-		    const CORBA_char *sexp,
-		    GNOME_Evolution_Calendar_QueryListener ql,
-		    CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	Query *query;
-	CORBA_Environment ev2;
-	GNOME_Evolution_Calendar_Query query_copy;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	query = query_new (priv->backend, ql, sexp);
-	if (!query) {
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_CouldNotCreate);
-		return CORBA_OBJECT_NIL;
-	}
-
-	CORBA_exception_init (&ev2);
-	query_copy = CORBA_Object_duplicate (BONOBO_OBJREF (query), &ev2);
-	if (BONOBO_EX (&ev2)) {
-		CORBA_exception_free (&ev2);
-		g_message ("Cal_get_query(): Could not duplicate the query reference");
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_CouldNotCreate);
-		return CORBA_OBJECT_NIL;
-	}
-
-	CORBA_exception_free (&ev2);
-
-	return query_copy;
-}
-
-/* Cal::set_default_timezone method */
-static void
-impl_Cal_set_default_timezone (PortableServer_Servant servant,
-			       const GNOME_Evolution_Calendar_CalTimezoneObjUID tzid,
-			       CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	gboolean zone_set;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	zone_set = cal_backend_set_default_timezone (priv->backend, tzid);
-
-	if (!zone_set) {
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_NotFound);
-	}
-}
-
-/* Cal::get_timezone_object method */
-static GNOME_Evolution_Calendar_CalObj
-impl_Cal_get_timezone_object (PortableServer_Servant servant,
-			      const GNOME_Evolution_Calendar_CalTimezoneObjUID tzid,
-			      CORBA_Environment *ev)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	char *calobj;
-
-	cal = CAL (bonobo_object_from_servant (servant));
-	priv = cal->priv;
-
-	calobj = cal_backend_get_timezone_object (priv->backend, tzid);
-
-	if (calobj) {
-		CORBA_char *calobj_copy;
-
-		calobj_copy = CORBA_string_dup (calobj);
-		g_free (calobj);
-		return calobj_copy;
-	} else {
-		bonobo_exception_set (ev, ex_GNOME_Evolution_Calendar_Cal_NotFound);
-		return NULL;
-	}
-}
-
-/**
- * cal_construct:
- * @cal: A calendar client interface.
- * @corba_cal: CORBA object for the calendar.
- * @backend: Calendar backend that this @cal presents an interface to.
- * @listener: Calendar listener for notification.
- *
- * Constructs a calendar client interface object by binding the corresponding
- * CORBA object to it.  The calendar interface is bound to the specified
- * @backend, and will notify the @listener about changes to the calendar.
- *
- * Return value: The same object as the @cal argument.
- **/
-Cal *
-cal_construct (Cal *cal,
-	       CalBackend *backend,
-	       GNOME_Evolution_Calendar_Listener listener)
-{
-	CalPrivate *priv;
-	CORBA_Environment ev;
-
-	g_return_val_if_fail (cal != NULL, NULL);
-	g_return_val_if_fail (IS_CAL (cal), NULL);
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-
-	priv = cal->priv;
-
-	CORBA_exception_init (&ev);
-	priv->listener = CORBA_Object_duplicate (listener, &ev);
-	if (BONOBO_EX (&ev)) {
-		g_message ("cal_construct: could not duplicate the listener");
-		priv->listener = CORBA_OBJECT_NIL;
-		CORBA_exception_free (&ev);
-		return NULL;
-	}
-
-	CORBA_exception_free (&ev);
-
-	/* obtain the WombatClient interface */
-	CORBA_exception_init (&ev);
-	priv->wombat_client = Bonobo_Unknown_queryInterface (
-		priv->listener,
-		"IDL:GNOME/Evolution/WombatClient:1.0",
-		&ev);
-	if (BONOBO_EX (&ev)) {
-		g_message ("cal_construct: could not get the WombatClient interface");
-		priv->wombat_client = CORBA_OBJECT_NIL;
-	}
-
-	CORBA_exception_free (&ev);
-
-	priv->backend = backend;
-
-	return cal;
-}
-
-/**
- * cal_new:
- * @backend: A calendar backend.
- * @listener: A calendar listener.
- *
- * Creates a new calendar client interface object and binds it to the specified
- * @backend and @listener objects.
- *
- * Return value: A newly-created #Cal calendar client interface object, or NULL
- * if its corresponding CORBA object could not be created.
- **/
-Cal *
-cal_new (CalBackend *backend, GNOME_Evolution_Calendar_Listener listener)
-{
-	Cal *cal, *retval;
-
-	g_return_val_if_fail (backend != NULL, NULL);
-	g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL);
-
-	cal = CAL (gtk_type_new (CAL_TYPE));
-
-	retval = cal_construct (cal, backend, listener);
-	if (!retval) {
-		g_message ("cal_new(): could not construct the calendar client interface");
-		bonobo_object_unref (BONOBO_OBJECT (cal));
-		return NULL;
-	}
-
-	return retval;
-}
-
-/* Destroy handler for the calendar */
-static void
-cal_destroy (GtkObject *object)
-{
-	Cal *cal;
-	CalPrivate *priv;
-	CORBA_Environment ev;
-
-	g_return_if_fail (object != NULL);
-	g_return_if_fail (IS_CAL (object));
-
-	cal = CAL (object);
-	priv = cal->priv;
-
-	priv->backend = NULL;
-
-	CORBA_exception_init (&ev);
-	bonobo_object_release_unref (priv->listener, &ev);
-	if (BONOBO_EX (&ev))
-		g_message ("cal_destroy(): could not release the listener");
-
-	priv->listener = NULL;
-	CORBA_exception_free (&ev);
-
-	g_free (priv);
-
-	if (GTK_OBJECT_CLASS (parent_class)->destroy)
-		(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-
-
-/* Class initialization function for the calendar */
-static void
-cal_class_init (CalClass *klass)
-{
-	GtkObjectClass *object_class = (GtkObjectClass *) klass;
-	POA_GNOME_Evolution_Calendar_Cal__epv *epv = &klass->epv;
-
-	parent_class = gtk_type_class (PARENT_TYPE);
-
-	/* Class method overrides */
-	object_class->destroy = cal_destroy;
-
-	/* Epv methods */
-	epv->_get_uri = impl_Cal_get_uri;
-	epv->setMode = impl_Cal_set_mode;
-	epv->countObjects = impl_Cal_get_n_objects;
-	epv->getObject = impl_Cal_get_object;
-	epv->setDefaultTimezone = impl_Cal_set_default_timezone;
-	epv->getTimezoneObject = impl_Cal_get_timezone_object;
-	epv->getUIDs = impl_Cal_get_uids;
-	epv->getChanges = impl_Cal_get_changes;
-	epv->getObjectsInRange = impl_Cal_get_objects_in_range;
-	epv->getFreeBusy = impl_Cal_get_free_busy;
-	epv->getAlarmsInRange = impl_Cal_get_alarms_in_range;
-	epv->getAlarmsForObject = impl_Cal_get_alarms_for_object;
-	epv->updateObjects = impl_Cal_update_objects;
-	epv->removeObject = impl_Cal_remove_object;
-	epv->getQuery = impl_Cal_get_query;
-}
-
-
-/* Object initialization function for the calendar */
-static void
-cal_init (Cal *cal)
-{
-	CalPrivate *priv;
-
-	priv = g_new0 (CalPrivate, 1);
-	cal->priv = priv;
-
-	priv->listener = CORBA_OBJECT_NIL;
-}
-
-BONOBO_X_TYPE_FUNC_FULL (Cal, GNOME_Evolution_Calendar_Cal, PARENT_TYPE, cal);
-
-/**
- * cal_notify_mode:
- * @cal: A calendar client interface.
- * @status: Status of the mode set.
- * @mode: The current mode.
- * 
- * Notifys the listener of the results of a setMode call.
- **/
-void
-cal_notify_mode (Cal *cal,
-		 GNOME_Evolution_Calendar_Listener_SetModeStatus status,
-		 GNOME_Evolution_Calendar_CalMode mode)
-{
-	CalPrivate *priv;
-	CORBA_Environment ev;
-
-	g_return_if_fail (cal != NULL);
-	g_return_if_fail (IS_CAL (cal));
-
-	priv = cal->priv;
-	g_return_if_fail (priv->listener != CORBA_OBJECT_NIL);
-
-	CORBA_exception_init (&ev);
-	GNOME_Evolution_Calendar_Listener_notifyCalSetMode (priv->listener, status, mode, &ev);
-
-	if (BONOBO_EX (&ev))
-		g_message ("cal_notify_mode(): could not notify the listener "
-			   "about a mode change");
-
-	CORBA_exception_free (&ev);	
-}
-
-/**
- * cal_notify_update:
- * @cal: A calendar client interface.
- * @uid: UID of object that was updated.
- * 
- * Notifies a listener attached to a calendar client interface object about an
- * update to a calendar object.
- **/
-void
-cal_notify_update (Cal *cal, const char *uid)
-{
-	CalPrivate *priv;
-	CORBA_Environment ev;
-
-	g_return_if_fail (cal != NULL);
-	g_return_if_fail (IS_CAL (cal));
-	g_return_if_fail (uid != NULL);
-
-	priv = cal->priv;
-	g_return_if_fail (priv->listener != CORBA_OBJECT_NIL);
-
-	CORBA_exception_init (&ev);
-	GNOME_Evolution_Calendar_Listener_notifyObjUpdated (priv->listener, (char *) uid, &ev);
-
-	if (BONOBO_EX (&ev))
-		g_message ("cal_notify_update(): could not notify the listener "
-			   "about an updated object");
-
-	CORBA_exception_free (&ev);
-}
-
-/**
- * cal_notify_remove:
- * @cal: A calendar client interface.
- * @uid: UID of object that was removed.
- * 
- * Notifies a listener attached to a calendar client interface object about a
- * calendar object that was removed.
- **/
-void
-cal_notify_remove (Cal *cal, const char *uid)
-{
-	CalPrivate *priv;
-	CORBA_Environment ev;
-
-	g_return_if_fail (cal != NULL);
-	g_return_if_fail (IS_CAL (cal));
-	g_return_if_fail (uid != NULL);
-
-	priv = cal->priv;
-	g_return_if_fail (priv->listener != CORBA_OBJECT_NIL);
-
-	CORBA_exception_init (&ev);
-	GNOME_Evolution_Calendar_Listener_notifyObjRemoved (priv->listener, (char *) uid, &ev);
-
-	if (BONOBO_EX (&ev))
-		g_message ("cal_notify_remove(): could not notify the listener "
-			   "about a removed object");
-
-	CORBA_exception_free (&ev);
-}
-
-/**
- * cal_notify_categories_changed:
- * @cal: A calendar client interface.
- * @categories: List of categories.
- * 
- * Notifies a listener attached to a calendar client interface object about the
- * current set of categories in a calendar backend.
- **/
-void
-cal_notify_categories_changed (Cal *cal, GNOME_Evolution_Calendar_StringSeq *categories)
-{
-	CalPrivate *priv;
-	CORBA_Environment ev;
-
-	g_return_if_fail (cal != NULL);
-	g_return_if_fail (IS_CAL (cal));
-	g_return_if_fail (categories != NULL);
-
-	priv = cal->priv;
-	g_return_if_fail (priv->listener != CORBA_OBJECT_NIL);
-
-	CORBA_exception_init (&ev);
-	GNOME_Evolution_Calendar_Listener_notifyCategoriesChanged (priv->listener, categories, &ev);
-
-	if (BONOBO_EX (&ev))
-		g_message ("cal_notify_categories_changed(): Could not notify the listener "
-			   "about the current set of categories");
-
-	CORBA_exception_free (&ev);
-}
-
-/**
- * cal_get_password:
- * @cal: A calendar client interface.
- * @prompt: The message to show to the user when asking for the password.
- * @key: A key associated with the password being asked.
- *
- * Gets a password from the calendar client this Cal knows about. It does
- * so by using the WombatClient interface being used by the corresponding
- * CalClient.
- *
- * Returns: a password entered by the user.
- */
-char *
-cal_get_password (Cal *cal, const char *prompt, const char *key)
-{
-	CalPrivate *priv;
-	CORBA_Environment ev;
-	CORBA_char *pwd;
-
-	g_return_val_if_fail (cal != NULL, NULL);
-	g_return_val_if_fail (IS_CAL (cal), NULL);
-
-	priv = cal->priv;
-	g_return_val_if_fail (priv->wombat_client != CORBA_OBJECT_NIL, NULL);
-
-	CORBA_exception_init (&ev);
-	pwd = GNOME_Evolution_WombatClient_getPassword (
-		priv->wombat_client,
-		(const CORBA_char *) prompt,
-		(const CORBA_char *) key,
-		&ev);
-	if (BONOBO_EX (&ev)) {
-		g_message ("cal_get_password: could not get password from associated WombatClient");
-		CORBA_exception_free (&ev);
-		return NULL;
-	}
-
-	CORBA_exception_free (&ev);
-
-	return pwd;
-}
-
-/**
- * cal_forget_password:
- * @cal: A calendar client interface.
- * @key: A key associated with the password to be forgotten.
- *
- * Notifies the associated calendar client that it should forget
- * about the password identified by @key, so that next time the backend
- * asks the client about it, the client would ask again the user for it.
- * This is done in cases where the password supplied the first time
- * was not a valid password and the backend needs the user to enter
- * a new one.
- */
-void
-cal_forget_password (Cal *cal, const char *key)
-{
-	CalPrivate *priv;
-	CORBA_Environment ev;
-
-	g_return_if_fail (cal != NULL);
-	g_return_if_fail (IS_CAL (cal));
-
-	priv = cal->priv;
-	g_return_if_fail (priv->wombat_client != CORBA_OBJECT_NIL);
-
-	CORBA_exception_init (&ev);
-	GNOME_Evolution_WombatClient_forgetPassword (
-		priv->wombat_client,
-		(const CORBA_char *) key,
-		&ev);
-
-	if (BONOBO_EX (&ev)) {
-		g_message ("cal_forget_password: could not notify WombatClient about "
-			   "password to be forgotten");
-	}
-
-	CORBA_exception_free (&ev);
-}
diff --git a/calendar/pcs/cal.h b/calendar/pcs/cal.h
deleted file mode 100644