mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-03 10:33:33 +00:00
ff39bab6f8
--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 -*- */
|
|
/* vim: set ts=2 et sw=2 tw=80: */
|
|
/* 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/. */
|
|
|
|
#ifndef mozilla_dom_PromiseCallback_h
|
|
#define mozilla_dom_PromiseCallback_h
|
|
|
|
#include "mozilla/dom/Promise.h"
|
|
#include "nsCycleCollectionParticipant.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
class PromiseResolver;
|
|
|
|
// This is the base class for any PromiseCallback.
|
|
// It's a logical step in the promise chain of callbacks.
|
|
class PromiseCallback : public nsISupports
|
|
{
|
|
public:
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_CLASS(PromiseCallback)
|
|
|
|
PromiseCallback();
|
|
virtual ~PromiseCallback();
|
|
|
|
virtual void Call(const Optional<JS::Handle<JS::Value> >& aValue) = 0;
|
|
|
|
enum Task {
|
|
Resolve,
|
|
Reject
|
|
};
|
|
|
|
// This factory returns a PromiseCallback object with refcount of 0.
|
|
static PromiseCallback*
|
|
Factory(PromiseResolver* aNextResolver, AnyCallback* aCallback,
|
|
Task aTask);
|
|
};
|
|
|
|
// WrapperPromiseCallback execs a JS Callback with a value, and then the return
|
|
// value is sent to the aNextResolver->resolve() or to aNextResolver->Reject()
|
|
// if the JS Callback throws.
|
|
class WrapperPromiseCallback MOZ_FINAL : public PromiseCallback
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(WrapperPromiseCallback,
|
|
PromiseCallback)
|
|
|
|
void Call(const Optional<JS::Handle<JS::Value> >& aValue) MOZ_OVERRIDE;
|
|
|
|
WrapperPromiseCallback(PromiseResolver* aNextResolver,
|
|
AnyCallback* aCallback);
|
|
~WrapperPromiseCallback();
|
|
|
|
private:
|
|
nsRefPtr<PromiseResolver> mNextResolver;
|
|
nsRefPtr<AnyCallback> mCallback;
|
|
};
|
|
|
|
// SimpleWrapperPromiseCallback execs a JS Callback with a value.
|
|
class SimpleWrapperPromiseCallback MOZ_FINAL : public PromiseCallback
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SimpleWrapperPromiseCallback,
|
|
PromiseCallback)
|
|
|
|
void Call(const Optional<JS::Handle<JS::Value> >& aValue) MOZ_OVERRIDE;
|
|
|
|
SimpleWrapperPromiseCallback(Promise* aPromise,
|
|
AnyCallback* aCallback);
|
|
~SimpleWrapperPromiseCallback();
|
|
|
|
private:
|
|
nsRefPtr<Promise> mPromise;
|
|
nsRefPtr<AnyCallback> mCallback;
|
|
};
|
|
|
|
// ResolvePromiseCallback calls aResolver->Resolve() with the value received by
|
|
// Call().
|
|
class ResolvePromiseCallback MOZ_FINAL : public PromiseCallback
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ResolvePromiseCallback,
|
|
PromiseCallback)
|
|
|
|
void Call(const Optional<JS::Handle<JS::Value> >& aValue) MOZ_OVERRIDE;
|
|
|
|
ResolvePromiseCallback(PromiseResolver* aResolver);
|
|
~ResolvePromiseCallback();
|
|
|
|
private:
|
|
nsRefPtr<PromiseResolver> mResolver;
|
|
};
|
|
|
|
// RejectPromiseCallback calls aResolver->Reject() with the value received by
|
|
// Call().
|
|
class RejectPromiseCallback MOZ_FINAL : public PromiseCallback
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(RejectPromiseCallback,
|
|
PromiseCallback)
|
|
|
|
void Call(const Optional<JS::Handle<JS::Value> >& aValue) MOZ_OVERRIDE;
|
|
|
|
RejectPromiseCallback(PromiseResolver* aResolver);
|
|
~RejectPromiseCallback();
|
|
|
|
private:
|
|
nsRefPtr<PromiseResolver> mResolver;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_dom_PromiseCallback_h
|