gecko-dev/dom/base/ProcessMessageManager.cpp

45 строки
1.7 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/. */
#include "mozilla/dom/ParentProcessMessageManager.h"
#include "mozilla/dom/ProcessMessageManager.h"
#include "mozilla/dom/MessageManagerBinding.h"
#include "nsContentUtils.h"
namespace mozilla {
namespace dom {
ProcessMessageManager::ProcessMessageManager(
ipc::MessageManagerCallback* aCallback,
ParentProcessMessageManager* aParentManager, MessageManagerFlags aFlags)
: MessageSender(aCallback, aParentManager,
aFlags | MessageManagerFlags::MM_CHROME |
MessageManagerFlags::MM_PROCESSMANAGER),
mPid(-1),
// aCallback is only specified if this is the in-process manager.
mInProcess(!!aCallback) {
MOZ_ASSERT(!(aFlags & ~(MessageManagerFlags::MM_GLOBAL |
MessageManagerFlags::MM_OWNSCALLBACK)));
// This is a bit hackish. We attach to the parent manager, but only if we have
// a callback (which is only for the in-process message manager). For other
// cases we wait until the child process is running (see
// MessageSender::InitWithCallback).
if (aParentManager && mCallback) {
aParentManager->AddChildManager(this);
}
}
JSObject* ProcessMessageManager::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
MOZ_ASSERT(nsContentUtils::IsSystemCaller(aCx));
return ProcessMessageManager_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla