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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
enum TaskPriority {
"user-blocking",
"user-visible",
"background"
};
dictionary TaskSignalAnyInit {
(TaskPriority or TaskSignal) priority = "user-visible";
};
[Exposed=(Window, Worker), Pref="dom.enable_web_task_scheduling"]
interface TaskSignal : AbortSignal {
[NewObject] static TaskSignal _any(sequence<AbortSignal> signals, optional TaskSignalAnyInit init = {});
readonly attribute TaskPriority priority;
attribute EventHandler onprioritychange;
};
dictionary SchedulerPostTaskOptions {
AbortSignal signal;
TaskPriority priority;
[EnforceRange] unsigned long long delay = 0;
};
callback SchedulerPostTaskCallback = any ();
[Exposed=(Window, Worker), Pref="dom.enable_web_task_scheduling"]
interface Scheduler {
[UseCounter]
Promise<any> postTask(
SchedulerPostTaskCallback callback,
optional SchedulerPostTaskOptions options = {}
);
[BinaryName="yieldImpl"]
Promise<undefined> yield();
};
dictionary TaskControllerInit {
TaskPriority priority = "user-visible";
};
[Exposed=(Window,Worker), Pref="dom.enable_web_task_scheduling"]
interface TaskController : AbortController {
[Throws]
constructor(optional TaskControllerInit init = {});
[Throws]
undefined setPriority(TaskPriority priority);
};
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