Details
struct NMVpnPluginUiInterface
struct NMVpnPluginUiInterface {
	GTypeInterface g_iface;
	/* Plugin's factory function that returns a GObject that implements
	 * NMVpnPluginUiWidgetInterface, pre-filled with values from 'connection'
	 * if non-NULL.
	 */
	NMVpnPluginUiWidgetInterface * (*ui_factory) (NMVpnPluginUiInterface *iface,
	                                              NMConnection *connection,
	                                              GError **error);
	/* Plugin's capabiltity function that returns a bitmask of capabilities
	 * described by NM_VPN_PLUGIN_UI_CAPABILITY_* defines.
	 */
	guint32 (*get_capabilities) (NMVpnPluginUiInterface *iface);
	/* Try to import a connection from the specified path.  On success, return a
	 * partial NMConnection object.  On error, return NULL and set 'error' with
	 * additional information.  Note that 'error' can be NULL, in which case no
	 * additional error information should be provided.
	 */
	NMConnection * (*import_from_file) (NMVpnPluginUiInterface *iface,
	                                    const char *path,
	                                    GError **error);
	/* Export the given connection to the specified path.  Return TRUE on success.
	 * On error, return FALSE and set 'error' with additional error information.
	 * Note that 'error' can be NULL, in which case no additional error information
	 * should be provided.
	 */
	gboolean (*export_to_file) (NMVpnPluginUiInterface *iface,
	                            const char *path,
	                            NMConnection *connection,
	                            GError **error);
	/* For a given connection, return a suggested file name.  Returned value should
	 * be NULL or a suggested file name allocated via g_malloc/g_new/etc to be freed
	 * by the caller.
	 */
	char * (*get_suggested_name) (NMVpnPluginUiInterface *iface, NMConnection *connection);
	/* Deprecated and no longer used */
	gboolean (*delete_connection) (NMVpnPluginUiInterface *iface, NMConnection *connection, GError **error);
	/* Padding for future expansion */
	void (*_reserved1) (void);
	void (*_reserved2) (void);
	void (*_reserved3) (void);
	void (*_reserved4) (void);
	void (*_reserved5) (void);
	void (*_reserved6) (void);
};
 
enum NMVpnPluginUiInterfaceProp
typedef enum {
	NM_VPN_PLUGIN_UI_INTERFACE_PROP_FIRST = 0x1000,
	NM_VPN_PLUGIN_UI_INTERFACE_PROP_NAME = NM_VPN_PLUGIN_UI_INTERFACE_PROP_FIRST,
	NM_VPN_PLUGIN_UI_INTERFACE_PROP_DESC,
	NM_VPN_PLUGIN_UI_INTERFACE_PROP_SERVICE
} NMVpnPluginUiInterfaceProp;
 
struct NMVpnPluginUiWidgetInterface
struct NMVpnPluginUiWidgetInterface {
	GTypeInterface g_iface;
	/* Return the GtkWidget for the VPN's UI */
	GObject * (*get_widget) (NMVpnPluginUiWidgetInterface *iface);
	/* Called to save the user-entered options to the connection object.  Should
	 * return FALSE and set 'error' if the current options are invalid.  'error'
	 * should contain enough information for the plugin to determine which UI
	 * widget is invalid at a later point in time.  For example, creating unique
	 * error codes for what error occurred and populating the message field
	 * of 'error' with the name of the invalid property.
	 */
	gboolean (*update_connection) (NMVpnPluginUiWidgetInterface *iface,
	                               NMConnection *connection,
	                               GError **error);
	/* Deprecated and no longer used */
	gboolean (*save_secrets) (NMVpnPluginUiWidgetInterface *iface,
	                          NMConnection *connection,
	                          GError **error);
	/* Emitted when the value of a UI widget changes.  May trigger a validity
	 * check via update_connection() to write values to the connection */
	void (*changed) (NMVpnPluginUiWidgetInterface *iface);
};
 
NM_VPN_PLUGIN_UI_CAPABILITY_EXPORT
#define NM_VPN_PLUGIN_UI_CAPABILITY_EXPORT   0x02
 
NM_VPN_PLUGIN_UI_CAPABILITY_IMPORT
#define NM_VPN_PLUGIN_UI_CAPABILITY_IMPORT   0x01
 
NM_VPN_PLUGIN_UI_CAPABILITY_NONE
#define NM_VPN_PLUGIN_UI_CAPABILITY_NONE     0x00
 
NM_VPN_PLUGIN_UI_INTERFACE_DESC
#define NM_VPN_PLUGIN_UI_INTERFACE_DESC "desc"
 
NM_VPN_PLUGIN_UI_INTERFACE_NAME
#define NM_VPN_PLUGIN_UI_INTERFACE_NAME "name"
 
NM_VPN_PLUGIN_UI_INTERFACE_SERVICE
#define NM_VPN_PLUGIN_UI_INTERFACE_SERVICE "service"