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1 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 : * vim: set ts=8 sw=4 et tw=80:
3 : *
4 : * This Source Code Form is subject to the terms of the Mozilla Public
5 : * License, v. 2.0. If a copy of the MPL was not distributed with this
6 : * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 :
8 : #ifndef mozilla_jsipc_WrapperOwner_h__
9 : #define mozilla_jsipc_WrapperOwner_h__
10 :
11 : #include "JavaScriptShared.h"
12 : #include "mozilla/ipc/ProtocolUtils.h"
13 : #include "mozilla/jsipc/CrossProcessObjectWrappers.h"
14 : #include "js/Class.h"
15 : #include "js/Proxy.h"
16 :
17 : namespace mozilla {
18 : namespace jsipc {
19 :
20 0 : class WrapperOwner : public virtual JavaScriptShared
21 : {
22 : public:
23 : typedef mozilla::ipc::IProtocol::ActorDestroyReason
24 : ActorDestroyReason;
25 :
26 : WrapperOwner();
27 : bool init();
28 :
29 : // Standard internal methods.
30 : // (The traps should be in the same order like js/Proxy.h)
31 : bool getOwnPropertyDescriptor(JSContext* cx, JS::HandleObject proxy, JS::HandleId id,
32 : JS::MutableHandle<JS::PropertyDescriptor> desc);
33 : bool defineProperty(JSContext* cx, JS::HandleObject proxy, JS::HandleId id,
34 : JS::Handle<JS::PropertyDescriptor> desc,
35 : JS::ObjectOpResult& result);
36 : bool ownPropertyKeys(JSContext* cx, JS::HandleObject proxy, JS::AutoIdVector& props);
37 : bool delete_(JSContext* cx, JS::HandleObject proxy, JS::HandleId id,
38 : JS::ObjectOpResult& result);
39 : bool preventExtensions(JSContext* cx, JS::HandleObject proxy, JS::ObjectOpResult& result);
40 : bool isExtensible(JSContext* cx, JS::HandleObject proxy, bool* extensible);
41 : bool has(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, bool* bp);
42 : bool get(JSContext* cx, JS::HandleObject proxy, JS::HandleValue receiver,
43 : JS::HandleId id, JS::MutableHandleValue vp);
44 : bool set(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, JS::HandleValue v,
45 : JS::HandleValue receiver, JS::ObjectOpResult& result);
46 : bool callOrConstruct(JSContext* cx, JS::HandleObject proxy, const JS::CallArgs& args,
47 : bool construct);
48 :
49 : // SpiderMonkey extensions.
50 : bool getPropertyDescriptor(JSContext* cx, JS::HandleObject proxy, JS::HandleId id,
51 : JS::MutableHandle<JS::PropertyDescriptor> desc);
52 : bool hasOwn(JSContext* cx, JS::HandleObject proxy, JS::HandleId id, bool* bp);
53 : bool getOwnEnumerablePropertyKeys(JSContext* cx, JS::HandleObject proxy,
54 : JS::AutoIdVector& props);
55 : bool hasInstance(JSContext* cx, JS::HandleObject proxy, JS::MutableHandleValue v, bool* bp);
56 : bool getBuiltinClass(JSContext* cx, JS::HandleObject proxy, js::ESClass* cls);
57 : bool isArray(JSContext* cx, JS::HandleObject proxy, JS::IsArrayAnswer* answer);
58 : const char* className(JSContext* cx, JS::HandleObject proxy);
59 : bool getPrototype(JSContext* cx, JS::HandleObject proxy, JS::MutableHandleObject protop);
60 : bool getPrototypeIfOrdinary(JSContext* cx, JS::HandleObject proxy, bool* isOrdinary,
61 : JS::MutableHandleObject protop);
62 :
63 : js::RegExpShared* regexp_toShared(JSContext* cx, JS::HandleObject proxy);
64 :
65 : nsresult instanceOf(JSObject* obj, const nsID* id, bool* bp);
66 :
67 : bool toString(JSContext* cx, JS::HandleObject callee, JS::CallArgs& args);
68 : bool DOMQI(JSContext* cx, JS::HandleObject callee, JS::CallArgs& args);
69 :
70 : /*
71 : * Check that |obj| is a DOM wrapper whose prototype chain contains
72 : * |prototypeID| at depth |depth|.
73 : */
74 : bool domInstanceOf(JSContext* cx, JSObject* obj, int prototypeID, int depth, bool* bp);
75 :
76 3 : bool active() { return !inactive_; }
77 :
78 : virtual bool allowMessage(JSContext* cx) = 0;
79 :
80 : void drop(JSObject* obj);
81 : void updatePointer(JSObject* obj, const JSObject* old);
82 :
83 : virtual void ActorDestroy(ActorDestroyReason why);
84 :
85 : virtual bool toObjectVariant(JSContext* cx, JSObject* obj, ObjectVariant* objVarp);
86 : virtual JSObject* fromObjectVariant(JSContext* cx, const ObjectVariant& objVar);
87 : JSObject* fromRemoteObjectVariant(JSContext* cx, const RemoteObject& objVar);
88 : JSObject* fromLocalObjectVariant(JSContext* cx, const LocalObject& objVar);
89 :
90 : protected:
91 : ObjectId idOf(JSObject* obj);
92 :
93 : private:
94 : ObjectId idOfUnchecked(JSObject* obj);
95 :
96 : bool getPropertyKeys(JSContext* cx, JS::HandleObject proxy, uint32_t flags,
97 : JS::AutoIdVector& props);
98 :
99 : // Catastrophic IPC failure.
100 : bool ipcfail(JSContext* cx);
101 :
102 : // Check whether a return status is okay, and if not, propagate its error.
103 : //
104 : // If 'status' might be a ReturnObjectOpResult, which is only possible for
105 : // a subset of the operations below, 'result' must be passed.
106 : bool ok(JSContext* cx, const ReturnStatus& status, JS::ObjectOpResult& result);
107 : bool ok(JSContext* cx, const ReturnStatus& status);
108 :
109 : bool inactive_;
110 :
111 : /*** Dummy call handlers ***/
112 : public:
113 : virtual bool SendDropObject(const ObjectId& objId) = 0;
114 : virtual bool SendPreventExtensions(const ObjectId& objId, ReturnStatus* rs) = 0;
115 : virtual bool SendGetPropertyDescriptor(const ObjectId& objId, const JSIDVariant& id,
116 : ReturnStatus* rs,
117 : PPropertyDescriptor* out) = 0;
118 : virtual bool SendGetOwnPropertyDescriptor(const ObjectId& objId,
119 : const JSIDVariant& id,
120 : ReturnStatus* rs,
121 : PPropertyDescriptor* out) = 0;
122 : virtual bool SendDefineProperty(const ObjectId& objId, const JSIDVariant& id,
123 : const PPropertyDescriptor& flags,
124 : ReturnStatus* rs) = 0;
125 : virtual bool SendDelete(const ObjectId& objId, const JSIDVariant& id,
126 : ReturnStatus* rs) = 0;
127 :
128 : virtual bool SendHas(const ObjectId& objId, const JSIDVariant& id,
129 : ReturnStatus* rs, bool* bp) = 0;
130 : virtual bool SendHasOwn(const ObjectId& objId, const JSIDVariant& id,
131 : ReturnStatus* rs, bool* bp) = 0;
132 : virtual bool SendGet(const ObjectId& objId, const JSVariant& receiverVar,
133 : const JSIDVariant& id,
134 : ReturnStatus* rs, JSVariant* result) = 0;
135 : virtual bool SendSet(const ObjectId& objId, const JSIDVariant& id, const JSVariant& value,
136 : const JSVariant& receiverVar, ReturnStatus* rs) = 0;
137 :
138 : virtual bool SendIsExtensible(const ObjectId& objId, ReturnStatus* rs,
139 : bool* result) = 0;
140 : virtual bool SendCallOrConstruct(const ObjectId& objId, const nsTArray<JSParam>& argv,
141 : const bool& construct, ReturnStatus* rs, JSVariant* result,
142 : nsTArray<JSParam>* outparams) = 0;
143 : virtual bool SendHasInstance(const ObjectId& objId, const JSVariant& v,
144 : ReturnStatus* rs, bool* bp) = 0;
145 : virtual bool SendGetBuiltinClass(const ObjectId& objId, ReturnStatus* rs,
146 : uint32_t* classValue) = 0;
147 : virtual bool SendIsArray(const ObjectId& objId, ReturnStatus* rs,
148 : uint32_t* answer) = 0;
149 : virtual bool SendClassName(const ObjectId& objId, nsCString* result) = 0;
150 : virtual bool SendGetPrototype(const ObjectId& objId, ReturnStatus* rs, ObjectOrNullVariant* result) = 0;
151 : virtual bool SendGetPrototypeIfOrdinary(const ObjectId& objId, ReturnStatus* rs, bool* isOrdinary,
152 : ObjectOrNullVariant* result) = 0;
153 : virtual bool SendRegExpToShared(const ObjectId& objId, ReturnStatus* rs, nsString* source,
154 : uint32_t* flags) = 0;
155 :
156 : virtual bool SendGetPropertyKeys(const ObjectId& objId, const uint32_t& flags,
157 : ReturnStatus* rs, nsTArray<JSIDVariant>* ids) = 0;
158 : virtual bool SendInstanceOf(const ObjectId& objId, const JSIID& iid,
159 : ReturnStatus* rs, bool* instanceof) = 0;
160 : virtual bool SendDOMInstanceOf(const ObjectId& objId, const int& prototypeID, const int& depth,
161 : ReturnStatus* rs, bool* instanceof) = 0;
162 : };
163 :
164 : } // namespace jsipc
165 : } // namespace mozilla
166 :
167 : #endif // mozilla_jsipc_WrapperOwner_h__
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