forked from mirrors/gecko-dev
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=4 sw=4 et tw=80:
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "JavaScriptChild.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/ipc/MessageChannel.h"
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#include "nsContentUtils.h"
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#include "xpcprivate.h"
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#include "jsfriendapi.h"
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#include "nsCxPusher.h"
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#include "AccessCheck.h"
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using namespace JS;
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using namespace mozilla;
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using namespace mozilla::jsipc;
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using mozilla::AutoSafeJSContext;
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#ifdef NIGHTLY_BUILD
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static void
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UrgentMessageCheck(JSContext *cx, HandleScript script)
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{
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// We're only allowed to enter chrome JS code while processing urgent
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// messages.
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if (ipc::ProcessingUrgentMessages())
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MOZ_RELEASE_ASSERT(xpc::AccessCheck::isChrome(js::GetContextCompartment(cx)));
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}
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#endif
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static void
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FinalizeChild(JSFreeOp *fop, JSFinalizeStatus status, bool isCompartment, void *data)
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{
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if (status == JSFINALIZE_GROUP_START) {
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static_cast<JavaScriptChild *>(data)->finalize(fop);
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}
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}
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JavaScriptChild::JavaScriptChild(JSRuntime *rt)
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: JavaScriptShared(rt),
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JavaScriptBase<PJavaScriptChild>(rt)
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{
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#ifdef NIGHTLY_BUILD
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js::SetAssertOnScriptEntryHook(rt, UrgentMessageCheck);
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#endif
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}
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JavaScriptChild::~JavaScriptChild()
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{
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JS_RemoveFinalizeCallback(rt_, FinalizeChild);
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}
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bool
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JavaScriptChild::init()
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{
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if (!WrapperOwner::init())
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return false;
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if (!WrapperAnswer::init())
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return false;
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JS_AddFinalizeCallback(rt_, FinalizeChild, this);
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return true;
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}
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void
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JavaScriptChild::finalize(JSFreeOp *fop)
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{
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objects_.finalize(fop);
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objectIds_.finalize(fop);
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}
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