/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * vim: set ts=8 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_WrapperOwner_h__ #define mozilla_jsipc_WrapperOwner_h__ #include "JavaScriptShared.h" #include "mozilla/ipc/ProtocolUtils.h" #include "js/Class.h" #ifdef XP_WIN #undef GetClassName #undef GetClassInfo #endif namespace mozilla { namespace jsipc { class WrapperOwner : public virtual JavaScriptShared { public: typedef mozilla::ipc::IProtocolManager< mozilla::ipc::IProtocol>::ActorDestroyReason ActorDestroyReason; explicit WrapperOwner(JSRuntime *rt); bool init(); // Fundamental proxy traps. These are required. // (The traps should be in the same order like js/src/jsproxy.h) bool preventExtensions(JSContext *cx, JS::HandleObject proxy); bool getPropertyDescriptor(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, JS::MutableHandle desc); bool getOwnPropertyDescriptor(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, JS::MutableHandle desc); bool defineProperty(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, JS::MutableHandle desc); bool getOwnPropertyNames(JSContext *cx, JS::HandleObject proxy, JS::AutoIdVector &props); bool delete_(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, bool *bp); bool enumerate(JSContext *cx, JS::HandleObject proxy, JS::AutoIdVector &props); // Derived proxy traps. Implementing these is useful for perfomance. bool has(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, bool *bp); bool hasOwn(JSContext *cx, JS::HandleObject proxy, JS::HandleId id, bool *bp); bool get(JSContext *cx, JS::HandleObject proxy, JS::HandleObject receiver, JS::HandleId id, JS::MutableHandleValue vp); bool set(JSContext *cx, JS::HandleObject proxy, JS::HandleObject receiver, JS::HandleId id, bool strict, JS::MutableHandleValue vp); bool keys(JSContext *cx, JS::HandleObject proxy, JS::AutoIdVector &props); // We use "iterate" provided by the base class here. // SpiderMonkey Extensions. bool isExtensible(JSContext *cx, JS::HandleObject proxy, bool *extensible); bool callOrConstruct(JSContext *cx, JS::HandleObject proxy, const JS::CallArgs &args, bool construct); bool hasInstance(JSContext *cx, JS::HandleObject proxy, JS::MutableHandleValue v, bool *bp); bool objectClassIs(JSContext *cx, JS::HandleObject obj, js::ESClassValue classValue); const char* className(JSContext *cx, JS::HandleObject proxy); bool isCallable(JSObject *obj); bool isConstructor(JSObject *obj); nsresult instanceOf(JSObject *obj, const nsID *id, bool *bp); bool toString(JSContext *cx, JS::HandleObject callee, JS::CallArgs &args); /* * Check that |obj| is a DOM wrapper whose prototype chain contains * |prototypeID| at depth |depth|. */ bool domInstanceOf(JSContext *cx, JSObject *obj, int prototypeID, int depth, bool *bp); bool active() { return !inactive_; } void drop(JSObject *obj); void updatePointer(JSObject *obj, const JSObject *old); virtual void ActorDestroy(ActorDestroyReason why); virtual bool toObjectVariant(JSContext *cx, JSObject *obj, ObjectVariant *objVarp); virtual JSObject *fromObjectVariant(JSContext *cx, ObjectVariant objVar); JSObject *fromRemoteObjectVariant(JSContext *cx, RemoteObject objVar); JSObject *fromLocalObjectVariant(JSContext *cx, LocalObject objVar); protected: ObjectId idOf(JSObject *obj); private: ObjectId idOfUnchecked(JSObject *obj); bool getPropertyNames(JSContext *cx, JS::HandleObject proxy, uint32_t flags, JS::AutoIdVector &props); // Catastrophic IPC failure. bool ipcfail(JSContext *cx); // Check whether a return status is okay, and if not, propagate its error. bool ok(JSContext *cx, const ReturnStatus &status); bool inactive_; /*** Dummy call handlers ***/ public: virtual bool SendDropObject(const ObjectId &objId) = 0; virtual bool CallPreventExtensions(const ObjectId &objId, ReturnStatus *rs) = 0; virtual bool CallGetPropertyDescriptor(const ObjectId &objId, const nsString &id, ReturnStatus *rs, PPropertyDescriptor *out) = 0; virtual bool CallGetOwnPropertyDescriptor(const ObjectId &objId, const nsString &id, ReturnStatus *rs, PPropertyDescriptor *out) = 0; virtual bool CallDefineProperty(const ObjectId &objId, const nsString &id, const PPropertyDescriptor &flags, ReturnStatus *rs) = 0; virtual bool CallDelete(const ObjectId &objId, const nsString &id, ReturnStatus *rs, bool *success) = 0; virtual bool CallHas(const ObjectId &objId, const nsString &id, ReturnStatus *rs, bool *bp) = 0; virtual bool CallHasOwn(const ObjectId &objId, const nsString &id, ReturnStatus *rs, bool *bp) = 0; virtual bool CallGet(const ObjectId &objId, const ObjectVariant &receiverVar, const nsString &id, ReturnStatus *rs, JSVariant *result) = 0; virtual bool CallSet(const ObjectId &objId, const ObjectVariant &receiverVar, const nsString &id, const bool &strict, const JSVariant &value, ReturnStatus *rs, JSVariant *result) = 0; virtual bool CallIsExtensible(const ObjectId &objId, ReturnStatus *rs, bool *result) = 0; virtual bool CallCallOrConstruct(const ObjectId &objId, const nsTArray &argv, const bool &construct, ReturnStatus *rs, JSVariant *result, nsTArray *outparams) = 0; virtual bool CallHasInstance(const ObjectId &objId, const JSVariant &v, ReturnStatus *rs, bool *bp) = 0; virtual bool CallObjectClassIs(const ObjectId &objId, const uint32_t &classValue, bool *result) = 0; virtual bool CallClassName(const ObjectId &objId, nsString *result) = 0; virtual bool CallGetPropertyNames(const ObjectId &objId, const uint32_t &flags, ReturnStatus *rs, nsTArray *names) = 0; virtual bool CallInstanceOf(const ObjectId &objId, const JSIID &iid, ReturnStatus *rs, bool *instanceof) = 0; virtual bool CallDOMInstanceOf(const ObjectId &objId, const int &prototypeID, const int &depth, ReturnStatus *rs, bool *instanceof) = 0; virtual bool CallIsCallable(const ObjectId &objId, bool *result) = 0; virtual bool CallIsConstructor(const ObjectId &objId, bool *result) = 0; }; bool IsCPOW(JSObject *obj); bool IsWrappedCPOW(JSObject *obj); nsresult InstanceOf(JSObject *obj, const nsID *id, bool *bp); bool DOMInstanceOf(JSContext *cx, JSObject *obj, int prototypeID, int depth, bool *bp); } // jsipc } // mozilla #endif // mozilla_jsipc_WrapperOwner_h__