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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 http://mozilla.org/MPL/2.0/.
*
* The origin of this IDL file is
* http://dom.spec.whatwg.org/#promises
*/
// TODO We use object instead Function. There is an open issue on WebIDL to
// have different types for "platform-provided function" and "user-provided
// function"; for now, we just use "object".
callback PromiseInit = void (object resolve, object reject);
callback PromiseJobCallback = void();
[TreatNonCallableAsNull]
callback AnyCallback = any (any value);
// When using SpiderMonkey promises, we don't want to define all this stuff;
// just define a tiny interface to make codegen of Promise arguments and return
// values work.
#ifndef SPIDERMONKEY_PROMISE
[Constructor(PromiseInit init),
Exposed=(Window,Worker,WorkerDebugger,System)]
// Need to escape "Promise" so it's treated as an identifier.
interface _Promise {
// Have to use "any" (or "object", but "any" is simpler) as the type to
// support the subclassing behavior, since nothing actually requires the
// return value of PromiseSubclass.resolve/reject to be a Promise object.
[NewObject, Throws]
static any resolve(optional any value);
[NewObject, Throws]
static any reject(optional any value);
// The [TreatNonCallableAsNull] annotation is required since then() should do
// nothing instead of throwing errors when non-callable arguments are passed.
// Have to use "any" (or "object", but "any" is simpler) as the type to
// support the subclassing behavior, since nothing actually requires the
// return value of PromiseSubclass.then/catch to be a Promise object.
[NewObject, Throws]
any then([TreatNonCallableAsNull] optional AnyCallback? fulfillCallback = null,
[TreatNonCallableAsNull] optional AnyCallback? rejectCallback = null);
[NewObject, Throws]
any catch([TreatNonCallableAsNull] optional AnyCallback? rejectCallback = null);
// Have to use "any" (or "object", but "any" is simpler) as the type to
// support the subclassing behavior, since nothing actually requires the
// return value of PromiseSubclass.all to be a Promise object. As a result,
// we also have to do our argument conversion manually, because we want to
// convert its exceptions into rejections.
[NewObject, Throws]
static any all(optional any iterable);
// Have to use "any" (or "object", but "any" is simpler) as the type to
// support the subclassing behavior, since nothing actually requires the
// return value of PromiseSubclass.race to be a Promise object. As a result,
// we also have to do our argument conversion manually, because we want to
// convert its exceptions into rejections.
[NewObject, Throws]
static any race(optional any iterable);
};
#else // SPIDERMONKEY_PROMISE
[NoInterfaceObject,
Exposed=(Window,Worker,WorkerDebugger,System)]
// Need to escape "Promise" so it's treated as an identifier.
interface _Promise {
};
// Hack to allow us to have JS owning and properly tracing/CCing/etc a
// PromiseNativeHandler.
[NoInterfaceObject,
Exposed=(Window,Worker,System)]
interface PromiseNativeHandler {
};
#endif // SPIDERMONKEY_PROMISE
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