forked from mirrors/gecko-dev
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_InProcessChild_h
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#define mozilla_dom_InProcessChild_h
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#include "mozilla/dom/PInProcessChild.h"
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#include "mozilla/dom/JSProcessActorChild.h"
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#include "mozilla/dom/ProcessActor.h"
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#include "mozilla/dom/RemoteType.h"
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#include "mozilla/StaticPtr.h"
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#include "nsIDOMProcessChild.h"
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namespace mozilla {
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namespace dom {
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class PWindowGlobalParent;
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class PWindowGlobalChild;
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class InProcessParent;
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/**
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* The `InProcessChild` class represents the child half of a main-thread to
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* main-thread actor.
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*
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* The `PInProcess` actor should be used as an alternate manager to `PContent`
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* for async actors which want to communicate uniformly between Content->Chrome
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* and Chrome->Chrome situations.
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*/
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class InProcessChild final : public nsIDOMProcessChild,
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public PInProcessChild,
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public ProcessActor {
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public:
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friend class InProcessParent;
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friend class PInProcessChild;
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMPROCESSCHILD
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// Get the singleton instance of this actor.
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static InProcessChild* Singleton();
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// Get the parent side of the in-process child actor |aActor|. If |aActor| is
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// not an in-process actor, or is not connected, this method will return
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// |nullptr|.
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static IProtocol* ParentActorFor(IProtocol* aActor);
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const nsACString& GetRemoteType() const override { return NOT_REMOTE_TYPE; }
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protected:
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already_AddRefed<JSActor> InitJSActor(JS::HandleObject aMaybeActor,
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const nsACString& aName,
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ErrorResult& aRv) override;
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mozilla::ipc::IProtocol* AsNativeActor() override { return this; }
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private:
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// NOTE: PInProcess lifecycle management is declared as staic methods and
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// state on InProcessParent, and implemented in InProcessImpl.cpp.
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virtual void ActorDestroy(ActorDestroyReason aWhy) override;
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~InProcessChild() = default;
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static StaticRefPtr<InProcessChild> sSingleton;
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nsRefPtrHashtable<nsCStringHashKey, JSProcessActorChild> mProcessActors;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // defined(mozilla_dom_InProcessChild_h)
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