gecko-dev/ipc/glue/InProcessChild.h

66 строки
2.0 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_InProcessChild_h
#define mozilla_ipc_InProcessChild_h
#include "mozilla/ipc/PInProcessChild.h"
#include "mozilla/StaticPtr.h"
namespace mozilla {
namespace dom {
class PWindowGlobalParent;
class PWindowGlobalChild;
} // namespace dom
namespace ipc {
class InProcessParent;
/**
* The `InProcessChild` class represents the child 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 InProcessChild : public PInProcessChild {
public:
friend class InProcessParent;
friend class PInProcessChild;
NS_INLINE_DECL_REFCOUNTING(InProcessChild)
// Get the singleton instance of this actor.
static InProcessChild* Singleton();
// Get the parent 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* ParentActorFor(IProtocol* aActor);
protected:
mozilla::dom::PWindowGlobalChild* AllocPWindowGlobalChild(
const WindowGlobalInit& aInit);
bool DeallocPWindowGlobalChild(mozilla::dom::PWindowGlobalChild* aActor);
private:
// NOTE: PInProcess lifecycle management is declared as staic methods and
// state on InProcessParent, and implemented in InProcessImpl.cpp.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual void ActorDealloc() override;
~InProcessChild() = default;
static StaticRefPtr<InProcessChild> sSingleton;
};
} // namespace ipc
} // namespace mozilla
#endif // defined(mozilla_ipc_InProcessChild_h)