зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.0 KiB
C++
67 строки
2.0 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_AbortablePromise_h__
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#define mozilla_dom_AbortablePromise_h__
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#include "js/TypeDecls.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/CallbackObject.h"
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namespace mozilla {
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namespace dom {
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class AbortCallback;
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class PromiseNativeAbortCallback;
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class AbortablePromise
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: public Promise
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AbortablePromise, Promise)
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public:
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// It is the same as Promise::Create except that this takes an extra
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// aAbortCallback parameter to set the abort callback handler.
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static already_AddRefed<AbortablePromise>
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Create(nsIGlobalObject* aGlobal, PromiseNativeAbortCallback& aAbortCallback,
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ErrorResult& aRv);
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protected:
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// Constructor used to create native AbortablePromise with C++.
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AbortablePromise(nsIGlobalObject* aGlobal,
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PromiseNativeAbortCallback& aAbortCallback);
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// Constructor used to create AbortablePromise for JavaScript. It should be
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// called by the static AbortablePromise::Constructor.
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explicit AbortablePromise(nsIGlobalObject* aGlobal);
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virtual ~AbortablePromise();
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public:
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virtual JSObject*
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WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<AbortablePromise>
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Constructor(const GlobalObject& aGlobal, PromiseInit& aInit,
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AbortCallback& aAbortCallback, ErrorResult& aRv);
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void Abort();
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private:
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void DoAbort();
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// The callback functions to abort the promise.
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CallbackObjectHolder<AbortCallback,
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PromiseNativeAbortCallback> mAbortCallback;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_AbortablePromise_h__
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