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/* -*- 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__
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