/* -*- 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/. */ #ifndef mozilla_jsipc_JavaScriptChild_h_ #define mozilla_jsipc_JavaScriptChild_h_ #include "JavaScriptBase.h" #include "mozilla/jsipc/PJavaScriptChild.h" namespace mozilla { namespace jsipc { class JavaScriptChild : public JavaScriptBase<PJavaScriptChild> { public: JavaScriptChild() : strongReferenceObjIdMinimum_(0) {} virtual ~JavaScriptChild(); bool init(); void trace(JSTracer* trc); void updateWeakPointers(); void drop(JSObject* obj); bool allowMessage(JSContext* cx) override { return true; } protected: virtual bool isParent() override { return false; } virtual JSObject* scopeForTargetObjects() override; bool RecvDropTemporaryStrongReferences(const uint64_t& upToObjId) override; private: bool fail(JSContext* cx, ReturnStatus* rs); bool ok(ReturnStatus* rs); // JavaScriptChild will keep strong references to JS objects that are // referenced by the parent only if their ID is >= // strongReferenceObjIdMinimum_. uint64_t strongReferenceObjIdMinimum_; }; } // namespace jsipc } // namespace mozilla #endif