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Diffstat (limited to 'js/ipc/WrapperOwner.h')
| -rw-r--r-- | js/ipc/WrapperOwner.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/js/ipc/WrapperOwner.h b/js/ipc/WrapperOwner.h new file mode 100644 index 000000000..79088b5be --- /dev/null +++ b/js/ipc/WrapperOwner.h @@ -0,0 +1,167 @@ +/* -*- 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 "mozilla/jsipc/CrossProcessObjectWrappers.h" +#include "js/Class.h" +#include "js/Proxy.h" + +namespace mozilla { +namespace jsipc { + +class WrapperOwner : public virtual JavaScriptShared +{ + public: + typedef mozilla::ipc::IProtocol::ActorDestroyReason + ActorDestroyReason; + + WrapperOwner(); + bool init(); + + // Standard internal methods. + // (The traps should be in the same order like js/Proxy.h) + bool getOwnPropertyDescriptor(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, + JS::MutableHandle<JS::PropertyDescriptor> desc); + bool defineProperty(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, + JS::Handle<JS::PropertyDescriptor> desc, + JS::ObjectOpResult& result); + bool ownPropertyKeys(JSContext* cx, JS::HandleObject proxy, JS::AutoIdVector& props); + bool delete_(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, + JS::ObjectOpResult& result); + bool preventExtensions(JSContext* cx, JS::HandleObject proxy, JS::ObjectOpResult& result); + bool isExtensible(JSContext* cx, JS::HandleObject proxy, bool* extensible); + bool has(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, bool* bp); + bool get(JSContext* cx, JS::HandleObject proxy, JS::HandleValue receiver, + JS::HandleId id, JS::MutableHandleValue vp); + bool set(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, JS::HandleValue v, + JS::HandleValue receiver, JS::ObjectOpResult& result); + bool callOrConstruct(JSContext* cx, JS::HandleObject proxy, const JS::CallArgs& args, + bool construct); + + // SpiderMonkey extensions. + bool getPropertyDescriptor(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, + JS::MutableHandle<JS::PropertyDescriptor> desc); + bool hasOwn(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, bool* bp); + bool getOwnEnumerablePropertyKeys(JSContext* cx, JS::HandleObject proxy, + JS::AutoIdVector& props); + bool hasInstance(JSContext* cx, JS::HandleObject proxy, JS::MutableHandleValue v, bool* bp); + bool getBuiltinClass(JSContext* cx, JS::HandleObject proxy, js::ESClass* cls); + bool isArray(JSContext* cx, JS::HandleObject proxy, JS::IsArrayAnswer* answer); + const char* className(JSContext* cx, JS::HandleObject proxy); + bool getPrototype(JSContext* cx, JS::HandleObject proxy, JS::MutableHandleObject protop); + bool getPrototypeIfOrdinary(JSContext* cx, JS::HandleObject proxy, bool* isOrdinary, + JS::MutableHandleObject protop); + + bool regexp_toShared(JSContext* cx, JS::HandleObject proxy, js::RegExpGuard* g); + + nsresult instanceOf(JSObject* obj, const nsID* id, bool* bp); + + bool toString(JSContext* cx, JS::HandleObject callee, JS::CallArgs& args); + bool DOMQI(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_; } + + virtual bool allowMessage(JSContext* cx) = 0; + + 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, const ObjectVariant& objVar); + JSObject* fromRemoteObjectVariant(JSContext* cx, const RemoteObject& objVar); + JSObject* fromLocalObjectVariant(JSContext* cx, const LocalObject& objVar); + + protected: + ObjectId idOf(JSObject* obj); + + private: + ObjectId idOfUnchecked(JSObject* obj); + + bool getPropertyKeys(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. + // + // If 'status' might be a ReturnObjectOpResult, which is only possible for + // a subset of the operations below, 'result' must be passed. + bool ok(JSContext* cx, const ReturnStatus& status, JS::ObjectOpResult& result); + bool ok(JSContext* cx, const ReturnStatus& status); + + bool inactive_; + + /*** Dummy call handlers ***/ + public: + virtual bool SendDropObject(const ObjectId& objId) = 0; + virtual bool SendPreventExtensions(const ObjectId& objId, ReturnStatus* rs) = 0; + virtual bool SendGetPropertyDescriptor(const ObjectId& objId, const JSIDVariant& id, + ReturnStatus* rs, + PPropertyDescriptor* out) = 0; + virtual bool SendGetOwnPropertyDescriptor(const ObjectId& objId, + const JSIDVariant& id, + ReturnStatus* rs, + PPropertyDescriptor* out) = 0; + virtual bool SendDefineProperty(const ObjectId& objId, const JSIDVariant& id, + const PPropertyDescriptor& flags, + ReturnStatus* rs) = 0; + virtual bool SendDelete(const ObjectId& objId, const JSIDVariant& id, + ReturnStatus* rs) = 0; + + virtual bool SendHas(const ObjectId& objId, const JSIDVariant& id, + ReturnStatus* rs, bool* bp) = 0; + virtual bool SendHasOwn(const ObjectId& objId, const JSIDVariant& id, + ReturnStatus* rs, bool* bp) = 0; + virtual bool SendGet(const ObjectId& objId, const JSVariant& receiverVar, + const JSIDVariant& id, + ReturnStatus* rs, JSVariant* result) = 0; + virtual bool SendSet(const ObjectId& objId, const JSIDVariant& id, const JSVariant& value, + const JSVariant& receiverVar, ReturnStatus* rs) = 0; + + virtual bool SendIsExtensible(const ObjectId& objId, ReturnStatus* rs, + bool* result) = 0; + virtual bool SendCallOrConstruct(const ObjectId& objId, const nsTArray<JSParam>& argv, + const bool& construct, ReturnStatus* rs, JSVariant* result, + nsTArray<JSParam>* outparams) = 0; + virtual bool SendHasInstance(const ObjectId& objId, const JSVariant& v, + ReturnStatus* rs, bool* bp) = 0; + virtual bool SendGetBuiltinClass(const ObjectId& objId, ReturnStatus* rs, + uint32_t* classValue) = 0; + virtual bool SendIsArray(const ObjectId& objId, ReturnStatus* rs, + uint32_t* answer) = 0; + virtual bool SendClassName(const ObjectId& objId, nsCString* result) = 0; + virtual bool SendGetPrototype(const ObjectId& objId, ReturnStatus* rs, ObjectOrNullVariant* result) = 0; + virtual bool SendGetPrototypeIfOrdinary(const ObjectId& objId, ReturnStatus* rs, bool* isOrdinary, + ObjectOrNullVariant* result) = 0; + virtual bool SendRegExpToShared(const ObjectId& objId, ReturnStatus* rs, nsString* source, + uint32_t* flags) = 0; + + virtual bool SendGetPropertyKeys(const ObjectId& objId, const uint32_t& flags, + ReturnStatus* rs, nsTArray<JSIDVariant>* ids) = 0; + virtual bool SendInstanceOf(const ObjectId& objId, const JSIID& iid, + ReturnStatus* rs, bool* instanceof) = 0; + virtual bool SendDOMInstanceOf(const ObjectId& objId, const int& prototypeID, const int& depth, + ReturnStatus* rs, bool* instanceof) = 0; +}; + +} // namespace jsipc +} // namespace mozilla + +#endif // mozilla_jsipc_WrapperOwner_h__ |