165 lines
8.0 KiB
C++
165 lines
8.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 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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#ifndef mozilla_jsipc_WrapperOwner_h__
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#define mozilla_jsipc_WrapperOwner_h__
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#include "JavaScriptShared.h"
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#include "mozilla/ipc/ProtocolUtils.h"
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#include "mozilla/jsipc/CrossProcessObjectWrappers.h"
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#include "js/Class.h"
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#include "js/Proxy.h"
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namespace mozilla {
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namespace jsipc {
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class WrapperOwner : public virtual JavaScriptShared
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{
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public:
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typedef mozilla::ipc::IProtocolManager<
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mozilla::ipc::IProtocol>::ActorDestroyReason
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ActorDestroyReason;
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explicit WrapperOwner(JSRuntime* rt);
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bool init();
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// Standard internal methods.
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// (The traps should be in the same order like js/Proxy.h)
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bool getOwnPropertyDescriptor(JSContext* cx, JS::HandleObject proxy, JS::HandleId id,
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JS::MutableHandle<JSPropertyDescriptor> desc);
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bool defineProperty(JSContext* cx, JS::HandleObject proxy, JS::HandleId id,
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JS::Handle<JSPropertyDescriptor> desc,
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JS::ObjectOpResult& result);
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bool ownPropertyKeys(JSContext* cx, JS::HandleObject proxy, JS::AutoIdVector& props);
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bool delete_(JSContext* cx, JS::HandleObject proxy, JS::HandleId id,
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JS::ObjectOpResult& result);
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bool preventExtensions(JSContext* cx, JS::HandleObject proxy, JS::ObjectOpResult& result);
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bool isExtensible(JSContext* cx, JS::HandleObject proxy, bool* extensible);
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bool has(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, bool* bp);
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bool get(JSContext* cx, JS::HandleObject proxy, JS::HandleValue receiver,
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JS::HandleId id, JS::MutableHandleValue vp);
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bool set(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, JS::HandleValue v,
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JS::HandleValue receiver, JS::ObjectOpResult& result);
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bool callOrConstruct(JSContext* cx, JS::HandleObject proxy, const JS::CallArgs& args,
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bool construct);
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// SpiderMonkey extensions.
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bool getPropertyDescriptor(JSContext* cx, JS::HandleObject proxy, JS::HandleId id,
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JS::MutableHandle<JSPropertyDescriptor> desc);
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bool hasOwn(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, bool* bp);
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bool getOwnEnumerablePropertyKeys(JSContext* cx, JS::HandleObject proxy,
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JS::AutoIdVector& props);
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bool hasInstance(JSContext* cx, JS::HandleObject proxy, JS::MutableHandleValue v, bool* bp);
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bool getBuiltinClass(JSContext* cx, JS::HandleObject proxy, js::ESClassValue* classValue);
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bool isArray(JSContext* cx, JS::HandleObject proxy, JS::IsArrayAnswer* answer);
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const char* className(JSContext* cx, JS::HandleObject proxy);
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bool getPrototype(JSContext* cx, JS::HandleObject proxy, JS::MutableHandleObject protop);
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bool regexp_toShared(JSContext* cx, JS::HandleObject proxy, js::RegExpGuard* g);
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nsresult instanceOf(JSObject* obj, const nsID* id, bool* bp);
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bool toString(JSContext* cx, JS::HandleObject callee, JS::CallArgs& args);
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bool DOMQI(JSContext* cx, JS::HandleObject callee, JS::CallArgs& args);
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/*
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* Check that |obj| is a DOM wrapper whose prototype chain contains
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* |prototypeID| at depth |depth|.
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*/
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bool domInstanceOf(JSContext* cx, JSObject* obj, int prototypeID, int depth, bool* bp);
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bool active() { return !inactive_; }
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virtual bool allowMessage(JSContext* cx) = 0;
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void drop(JSObject* obj);
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void updatePointer(JSObject* obj, const JSObject* old);
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virtual void ActorDestroy(ActorDestroyReason why);
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virtual bool toObjectVariant(JSContext* cx, JSObject* obj, ObjectVariant* objVarp);
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virtual JSObject* fromObjectVariant(JSContext* cx, ObjectVariant objVar);
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JSObject* fromRemoteObjectVariant(JSContext* cx, RemoteObject objVar);
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JSObject* fromLocalObjectVariant(JSContext* cx, LocalObject objVar);
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protected:
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ObjectId idOf(JSObject* obj);
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private:
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ObjectId idOfUnchecked(JSObject* obj);
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bool getPropertyKeys(JSContext* cx, JS::HandleObject proxy, uint32_t flags,
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JS::AutoIdVector& props);
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// Catastrophic IPC failure.
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bool ipcfail(JSContext* cx);
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// Check whether a return status is okay, and if not, propagate its error.
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//
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// If 'status' might be a ReturnObjectOpResult, which is only possible for
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// a subset of the operations below, 'result' must be passed.
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bool ok(JSContext* cx, const ReturnStatus& status, JS::ObjectOpResult& result);
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bool ok(JSContext* cx, const ReturnStatus& status);
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bool inactive_;
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/*** Dummy call handlers ***/
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public:
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virtual bool SendDropObject(const ObjectId& objId) = 0;
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virtual bool SendPreventExtensions(const ObjectId& objId, ReturnStatus* rs) = 0;
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virtual bool SendGetPropertyDescriptor(const ObjectId& objId, const JSIDVariant& id,
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ReturnStatus* rs,
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PPropertyDescriptor* out) = 0;
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virtual bool SendGetOwnPropertyDescriptor(const ObjectId& objId,
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const JSIDVariant& id,
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ReturnStatus* rs,
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PPropertyDescriptor* out) = 0;
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virtual bool SendDefineProperty(const ObjectId& objId, const JSIDVariant& id,
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const PPropertyDescriptor& flags,
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ReturnStatus* rs) = 0;
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virtual bool SendDelete(const ObjectId& objId, const JSIDVariant& id,
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ReturnStatus* rs) = 0;
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virtual bool SendHas(const ObjectId& objId, const JSIDVariant& id,
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ReturnStatus* rs, bool* bp) = 0;
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virtual bool SendHasOwn(const ObjectId& objId, const JSIDVariant& id,
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ReturnStatus* rs, bool* bp) = 0;
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virtual bool SendGet(const ObjectId& objId, const JSVariant& receiverVar,
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const JSIDVariant& id,
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ReturnStatus* rs, JSVariant* result) = 0;
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virtual bool SendSet(const ObjectId& objId, const JSIDVariant& id, const JSVariant& value,
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const JSVariant& receiverVar, ReturnStatus* rs) = 0;
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virtual bool SendIsExtensible(const ObjectId& objId, ReturnStatus* rs,
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bool* result) = 0;
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virtual bool SendCallOrConstruct(const ObjectId& objId, const nsTArray<JSParam>& argv,
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const bool& construct, ReturnStatus* rs, JSVariant* result,
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nsTArray<JSParam>* outparams) = 0;
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virtual bool SendHasInstance(const ObjectId& objId, const JSVariant& v,
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ReturnStatus* rs, bool* bp) = 0;
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virtual bool SendGetBuiltinClass(const ObjectId& objId, ReturnStatus* rs,
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uint32_t* classValue) = 0;
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virtual bool SendIsArray(const ObjectId& objId, ReturnStatus* rs,
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uint32_t* answer) = 0;
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virtual bool SendClassName(const ObjectId& objId, nsCString* result) = 0;
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virtual bool SendGetPrototype(const ObjectId& objId, ReturnStatus* rs, ObjectOrNullVariant* result) = 0;
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virtual bool SendRegExpToShared(const ObjectId& objId, ReturnStatus* rs, nsString* source,
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uint32_t* flags) = 0;
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virtual bool SendGetPropertyKeys(const ObjectId& objId, const uint32_t& flags,
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ReturnStatus* rs, nsTArray<JSIDVariant>* ids) = 0;
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virtual bool SendInstanceOf(const ObjectId& objId, const JSIID& iid,
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ReturnStatus* rs, bool* instanceof) = 0;
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virtual bool SendDOMInstanceOf(const ObjectId& objId, const int& prototypeID, const int& depth,
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ReturnStatus* rs, bool* instanceof) = 0;
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};
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} // namespace jsipc
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} // namespace mozilla
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#endif // mozilla_jsipc_WrapperOwner_h__
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