dom/webidl/WebTaskScheduling.webidl

   1 enum TaskPriority {
   2   "user-blocking",
   3   "user-visible",
   4   "background"
   5 };
   6
   7 [Exposed=(Window, Worker), Pref="dom.enable_web_task_scheduling"]
   8 interface TaskSignal : AbortSignal {
   9   readonly attribute TaskPriority priority;
  10
  11   attribute EventHandler onprioritychange;
  12 };
  13
  14
  15 dictionary SchedulerPostTaskOptions {
  16   AbortSignal signal;
  17   TaskPriority priority;
  18   [EnforceRange] unsigned long long delay = 0;
  19 };
  20
  21 callback SchedulerPostTaskCallback = any ();
  22
  23 [Exposed=(Window, Worker), Pref="dom.enable_web_task_scheduling"]
  24 interface Scheduler {
  25   [UseCounter]
  26   Promise<any> postTask(
  27     SchedulerPostTaskCallback callback,
  28     optional SchedulerPostTaskOptions options = {}
  29   );
  30 };
  31
  32 dictionary TaskControllerInit {
  33   TaskPriority priority = "user-visible";
  34 };
  35
  36 [Exposed=(Window,Worker), Pref="dom.enable_web_task_scheduling"]
  37 interface TaskController : AbortController {
  38   [Throws]
  39   constructor(optional TaskControllerInit init = {});
  40
  41   [Throws]
  42   undefined setPriority(TaskPriority priority);
  43 };