gecko-dev/ipc/glue/InProcessParent.h

74 строки
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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_ipc_InProcessParent_h
#define mozilla_ipc_InProcessParent_h
#include "mozilla/ipc/PInProcessParent.h"
#include "mozilla/StaticPtr.h"
namespace mozilla {
namespace dom {
class PWindowGlobalParent;
class PWindowGlobalChild;
} // namespace dom
namespace ipc {
class InProcessChild;
/**
* The `InProcessParent` class represents the parent half of a main-thread to
* main-thread actor.
*
* The `PInProcess` actor should be used as an alternate manager to `PContent`
* for async actors which want to communicate uniformly between Content->Chrome
* and Chrome->Chrome situations.
*/
class InProcessParent : public nsIObserver, public PInProcessParent {
public:
friend class InProcessChild;
friend class PInProcessParent;
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
// Get the singleton instance of this actor.
static InProcessParent* Singleton();
// Get the child side of the in-process child actor |aActor|. If |aActor| is
// not an in-process actor, or is not connected, this method will return
// |nullptr|.
static IProtocol* ChildActorFor(IProtocol* aActor);
protected:
mozilla::dom::PWindowGlobalParent* AllocPWindowGlobalParent(
const WindowGlobalInit& aInit);
bool DeallocPWindowGlobalParent(mozilla::dom::PWindowGlobalParent* aActor);
virtual IPCResult RecvPWindowGlobalConstructor(
mozilla::dom::PWindowGlobalParent* aActor,
const WindowGlobalInit& aInit) override;
private:
// Lifecycle management is implemented in InProcessImpl.cpp
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual void DeallocPInProcessParent() override;
~InProcessParent() = default;
static void Startup();
static void Shutdown();
static StaticRefPtr<InProcessParent> sSingleton;
static bool sShutdown;
};
} // namespace ipc
} // namespace mozilla
#endif // defined(mozilla_ipc_InProcessParent_h)