gecko-dev/js/ipc/JavaScriptChild.cpp

74 lines
1.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=4 sw=4 et 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 "JavaScriptChild.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/ipc/MessageChannel.h"
#include "nsContentUtils.h"
#include "xpcprivate.h"
#include "jsfriendapi.h"
#include "AccessCheck.h"
using namespace JS;
using namespace mozilla;
using namespace mozilla::jsipc;
using mozilla::AutoSafeJSContext;
static void
FinalizeChild(JSFreeOp *fop, JSFinalizeStatus status, bool isCompartment, void *data)
{
if (status == JSFINALIZE_GROUP_START) {
static_cast<JavaScriptChild *>(data)->finalize();
}
}
static void
FixupChildAfterMovingGC(JSRuntime *rt, void *data)
{
static_cast<JavaScriptChild *>(data)->fixupAfterMovingGC();
}
JavaScriptChild::JavaScriptChild(JSRuntime *rt)
: JavaScriptShared(rt),
JavaScriptBase<PJavaScriptChild>(rt)
{
}
JavaScriptChild::~JavaScriptChild()
{
JS_RemoveFinalizeCallback(rt_, FinalizeChild);
JS_RemoveMovingGCCallback(rt_, FixupChildAfterMovingGC);
}
bool
JavaScriptChild::init()
{
if (!WrapperOwner::init())
return false;
if (!WrapperAnswer::init())
return false;
JS_AddFinalizeCallback(rt_, FinalizeChild, this);
JS_AddMovingGCCallback(rt_, FixupChildAfterMovingGC, this);
return true;
}
void
JavaScriptChild::finalize()
{
objects_.sweep();
objectIds_.sweep();
}
JSObject *
JavaScriptChild::defaultScope()
{
return xpc::PrivilegedJunkScope();
}