Notification API.
| Function | Description | Links |
|---|---|---|
| notify_free() | Free a notification handler | |
| notify_new() | Create a new notifications handler | |
| notify_observer_add() | Add an observer to an object | |
| notify_observer_remove() | Remove an observer from an object | |
| notify_observer_remove_all() | Remove all the observers from an object | |
| notify_send() | Send out a notification message | |
| notify_set_parent() | Set the parent notification handler | |
| send() | Send out a notification message |
