Implement. (e_cal_backend_file_dispose): Use above freers.

Implement. (e_cal_backend_file_dispose): Use above freers.

2003-11-03  Hans Petter Jansson  <hpj@ximian.com>

	* calendar/libedatacal/e-cal-backend-file.c (free_calendar_components)
	(free_calendar_data): Implement.
	(e_cal_backend_file_dispose): Use above freers.
	(get_uri_string_for_gnome_vfs): Implement.
	(open_cal): Set priv->uri to be escaped, GnomeVFS-friendly.
	(notify_removals_cb)
	(notify_adds_modifies_cb)
	(notify_changes)
	(reload_cal): Implement.
	(create_cal): Set priv->uri to be escaped, GnomeVFS-friendly.
	(get_uri_string): Implement - unescapes once.
	(e_cal_backend_file_compute_changes): Unescape DB URI once, don't make
	like it's in a subdirectory.
	(e_cal_backend_file_reload): Implement.

	* calendar/libedatacal/e-cal-backend-http.c
	(e_cal_backend_http_finalize): Cancel potential retrieval and free
	slave backend.
	(e_cal_backend_http_is_read_only): Clean up.
	(webcal_to_http_method)
	(uri_to_cache_dir)
	(ensure_cache_dir)
	(retrieval_done)
	(retrieval_progress_cb)
	(begin_retrieval_cb): Implement.
	(e_cal_backend_http_open): Set up slave backend.
	(e_cal_backend_http_remove)
	(e_cal_backend_http_is_loaded)
	(e_cal_backend_http_get_default_object)
	(e_cal_backend_http_get_object)
	(e_cal_backend_http_get_timezone)
	(e_cal_backend_http_add_timezone)
	(e_cal_backend_http_set_default_timezone)
	(e_cal_backend_http_get_object_list)
	(e_cal_backend_http_get_free_busy)
	(e_cal_backend_http_get_changes)
	(e_cal_backend_http_discard_alarm)
	(e_cal_backend_http_modify_object)
	(e_cal_backend_http_remove_object)
	(e_cal_backend_http_receive_objects)
	(e_cal_backend_http_send_objects)
	(e_cal_backend_http_internal_get_default_timezone)
	(e_cal_backend_http_internal_get_timezone): Implement with fallthrough
	to slave backend.
	(e_cal_backend_http_init): Remove cruft.

	* calendar/libedatacal/e-cal-backend-sync.c
	(e_cal_backend_sync_open): Use per-instance mutex.
	(e_cal_backend_sync_init): Set up per-instance mutex.
	(e_cal_backend_sync_dispose): Free per-instance mutex.

	* calendar/libedatacal/e-cal-backend.c
	(e_cal_backend_set_notification_proxy): Implement.
	(e_cal_backend_notify_object_created)
	(e_cal_backend_notify_object_modified)
	(e_cal_backend_notify_object_removed)
	(e_cal_backend_notify_mode)
	(e_cal_backend_notify_error): Use notification proxy if set.