gecko-dev/dom/base/ChromeMessageBroadcaster.cpp

48 строки
1.4 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/ChromeMessageBroadcaster.h"
#include "AccessCheck.h"
#include "mozilla/HoldDropJSObjects.h"
#include "mozilla/dom/MessageManagerBinding.h"
namespace mozilla {
namespace dom {
ChromeMessageBroadcaster::ChromeMessageBroadcaster(nsFrameMessageManager* aParentManager,
MessageManagerFlags aFlags)
: MessageListenerManager(nullptr, aParentManager,
aFlags |
MessageManagerFlags::MM_BROADCASTER |
MessageManagerFlags::MM_CHROME)
{
if (mIsProcessManager) {
mozilla::HoldJSObjects(this);
}
if (aParentManager) {
aParentManager->AddChildManager(this);
}
}
ChromeMessageBroadcaster::~ChromeMessageBroadcaster()
{
if (mIsProcessManager) {
mozilla::DropJSObjects(this);
}
}
JSObject*
ChromeMessageBroadcaster::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto)
{
MOZ_ASSERT(nsContentUtils::IsSystemCaller(aCx));
return ChromeMessageBroadcasterBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla