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0090dbd0ea
--HG-- rename : dom/future/Makefile.in => dom/promise/Makefile.in rename : dom/future/Future.cpp => dom/promise/Promise.cpp rename : dom/future/Future.h => dom/promise/Promise.h rename : dom/future/FutureCallback.cpp => dom/promise/PromiseCallback.cpp rename : dom/future/FutureCallback.h => dom/promise/PromiseCallback.h rename : dom/future/FutureResolver.cpp => dom/promise/PromiseResolver.cpp rename : dom/future/FutureResolver.h => dom/promise/PromiseResolver.h rename : dom/future/moz.build => dom/promise/moz.build rename : dom/future/tests/Makefile.in => dom/promise/tests/Makefile.in rename : dom/future/tests/moz.build => dom/promise/tests/moz.build rename : dom/future/tests/test_bug883683.html => dom/promise/tests/test_bug883683.html rename : dom/future/tests/test_future.html => dom/promise/tests/test_promise.html rename : dom/future/tests/test_resolve.html => dom/promise/tests/test_resolve.html rename : dom/webidl/Future.webidl => dom/webidl/Promise.webidl
122 lines
3.5 KiB
C++
122 lines
3.5 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_PromiseCallback_h
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#define mozilla_dom_PromiseCallback_h
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#include "mozilla/dom/Promise.h"
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#include "nsCycleCollectionParticipant.h"
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namespace mozilla {
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namespace dom {
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class PromiseResolver;
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// This is the base class for any PromiseCallback.
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// It's a logical step in the promise chain of callbacks.
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class PromiseCallback : public nsISupports
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(PromiseCallback)
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PromiseCallback();
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virtual ~PromiseCallback();
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virtual void Call(const Optional<JS::Handle<JS::Value> >& aValue) = 0;
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enum Task {
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Resolve,
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Reject
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};
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// This factory returns a PromiseCallback object with refcount of 0.
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static PromiseCallback*
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Factory(PromiseResolver* aNextResolver, AnyCallback* aCallback,
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Task aTask);
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};
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// WrapperPromiseCallback execs a JS Callback with a value, and then the return
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// value is sent to the aNextResolver->resolve() or to aNextResolver->Reject()
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// if the JS Callback throws.
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class WrapperPromiseCallback MOZ_FINAL : public PromiseCallback
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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(WrapperPromiseCallback,
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PromiseCallback)
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void Call(const Optional<JS::Handle<JS::Value> >& aValue) MOZ_OVERRIDE;
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WrapperPromiseCallback(PromiseResolver* aNextResolver,
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AnyCallback* aCallback);
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~WrapperPromiseCallback();
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private:
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nsRefPtr<PromiseResolver> mNextResolver;
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nsRefPtr<AnyCallback> mCallback;
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};
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// SimpleWrapperPromiseCallback execs a JS Callback with a value.
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class SimpleWrapperPromiseCallback MOZ_FINAL : public PromiseCallback
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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(SimpleWrapperPromiseCallback,
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PromiseCallback)
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void Call(const Optional<JS::Handle<JS::Value> >& aValue) MOZ_OVERRIDE;
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SimpleWrapperPromiseCallback(Promise* aPromise,
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AnyCallback* aCallback);
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~SimpleWrapperPromiseCallback();
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private:
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nsRefPtr<Promise> mPromise;
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nsRefPtr<AnyCallback> mCallback;
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};
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// ResolvePromiseCallback calls aResolver->Resolve() with the value received by
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// Call().
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class ResolvePromiseCallback MOZ_FINAL : public PromiseCallback
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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(ResolvePromiseCallback,
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PromiseCallback)
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void Call(const Optional<JS::Handle<JS::Value> >& aValue) MOZ_OVERRIDE;
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ResolvePromiseCallback(PromiseResolver* aResolver);
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~ResolvePromiseCallback();
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private:
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nsRefPtr<PromiseResolver> mResolver;
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};
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// RejectPromiseCallback calls aResolver->Reject() with the value received by
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// Call().
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class RejectPromiseCallback MOZ_FINAL : public PromiseCallback
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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(RejectPromiseCallback,
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PromiseCallback)
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void Call(const Optional<JS::Handle<JS::Value> >& aValue) MOZ_OVERRIDE;
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RejectPromiseCallback(PromiseResolver* aResolver);
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~RejectPromiseCallback();
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private:
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nsRefPtr<PromiseResolver> mResolver;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PromiseCallback_h
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