mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 05:35:31 +00:00
c1bec44889
Backed out changeset 2c442905d0af (bug 1123461) Backed out changeset d7aa4c72ebab (bug 1123461) Backed out changeset 8bb689ec8086 (bug 1123090)
67 lines
1.6 KiB
C++
67 lines
1.6 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
|
|
UpdateChildWeakPointersAfterGC(JSRuntime *rt, void *data)
|
|
{
|
|
static_cast<JavaScriptChild *>(data)->updateWeakPointers();
|
|
}
|
|
|
|
JavaScriptChild::JavaScriptChild(JSRuntime *rt)
|
|
: JavaScriptShared(rt),
|
|
JavaScriptBase<PJavaScriptChild>(rt)
|
|
{
|
|
}
|
|
|
|
JavaScriptChild::~JavaScriptChild()
|
|
{
|
|
JS_RemoveWeakPointerCallback(rt_, UpdateChildWeakPointersAfterGC);
|
|
}
|
|
|
|
bool
|
|
JavaScriptChild::init()
|
|
{
|
|
if (!WrapperOwner::init())
|
|
return false;
|
|
if (!WrapperAnswer::init())
|
|
return false;
|
|
|
|
JS_AddWeakPointerCallback(rt_, UpdateChildWeakPointersAfterGC, this);
|
|
return true;
|
|
}
|
|
|
|
void
|
|
JavaScriptChild::updateWeakPointers()
|
|
{
|
|
objects_.sweep();
|
|
unwaivedObjectIds_.sweep();
|
|
waivedObjectIds_.sweep();
|
|
}
|
|
|
|
JSObject *
|
|
JavaScriptChild::scopeForTargetObjects()
|
|
{
|
|
// CPOWs from the parent need to point into the child's privileged junk
|
|
// scope so that they can benefit from XrayWrappers in the child.
|
|
return xpc::PrivilegedJunkScope();
|
|
}
|