Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM AddonEvent.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "AddonEventBinding.h"
4 : #include "AtomList.h"
5 : #include "EventBinding.h"
6 : #include "WrapperFactory.h"
7 : #include "mozilla/AddonManagerWebAPI.h"
8 : #include "mozilla/OwningNonNull.h"
9 : #include "mozilla/dom/AddonEvent.h"
10 : #include "mozilla/dom/BindingUtils.h"
11 : #include "mozilla/dom/DOMJSClass.h"
12 : #include "mozilla/dom/NonRefcountedDOMObject.h"
13 : #include "mozilla/dom/PrimitiveConversions.h"
14 : #include "mozilla/dom/ScriptSettings.h"
15 : #include "mozilla/dom/SimpleGlobalObject.h"
16 : #include "mozilla/dom/XrayExpandoClass.h"
17 :
18 : namespace mozilla {
19 : namespace dom {
20 :
21 :
22 0 : AddonEventInit::AddonEventInit()
23 0 : : EventInit(FastDictionaryInitializer())
24 : {
25 : // Safe to pass a null context if we pass a null value
26 0 : Init(nullptr, JS::NullHandleValue);
27 0 : }
28 :
29 :
30 :
31 : bool
32 0 : AddonEventInit::InitIds(JSContext* cx, AddonEventInitAtoms* atomsCache)
33 : {
34 0 : MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
35 :
36 : // Initialize these in reverse order so that any failure leaves the first one
37 : // uninitialized.
38 0 : if (!atomsCache->needsRestart_id.init(cx, "needsRestart") ||
39 0 : !atomsCache->id_id.init(cx, "id")) {
40 0 : return false;
41 : }
42 0 : return true;
43 : }
44 :
45 : bool
46 0 : AddonEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
47 : {
48 : // Passing a null JSContext is OK only if we're initing from null,
49 : // Since in that case we will not have to do any property gets
50 : // Also evaluate isNullOrUndefined in order to avoid false-positive
51 : // checkers by static analysis tools
52 0 : MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
53 0 : AddonEventInitAtoms* atomsCache = nullptr;
54 0 : if (cx) {
55 0 : atomsCache = GetAtomCache<AddonEventInitAtoms>(cx);
56 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
57 0 : return false;
58 : }
59 : }
60 :
61 : // Per spec, we init the parent's members first
62 0 : if (!EventInit::Init(cx, val)) {
63 0 : return false;
64 : }
65 :
66 0 : bool isNull = val.isNullOrUndefined();
67 : // We only need these if !isNull, in which case we have |cx|.
68 0 : Maybe<JS::Rooted<JSObject *> > object;
69 0 : Maybe<JS::Rooted<JS::Value> > temp;
70 0 : if (!isNull) {
71 0 : MOZ_ASSERT(cx);
72 0 : object.emplace(cx, &val.toObject());
73 0 : temp.emplace(cx);
74 : }
75 0 : if (!isNull) {
76 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->id_id, temp.ptr())) {
77 0 : return false;
78 : }
79 : }
80 0 : if (!isNull && !temp->isUndefined()) {
81 0 : if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mId)) {
82 0 : return false;
83 : }
84 0 : mIsAnyMemberPresent = true;
85 0 : } else if (cx) {
86 : // Don't error out if we have no cx. In that
87 : // situation the caller is default-constructing us and we'll
88 : // just assume they know what they're doing.
89 0 : return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
90 0 : "'id' member of AddonEventInit");
91 : }
92 :
93 0 : if (!isNull) {
94 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->needsRestart_id, temp.ptr())) {
95 0 : return false;
96 : }
97 : }
98 0 : if (!isNull && !temp->isUndefined()) {
99 0 : if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mNeedsRestart)) {
100 0 : return false;
101 : }
102 0 : mIsAnyMemberPresent = true;
103 0 : } else if (cx) {
104 : // Don't error out if we have no cx. In that
105 : // situation the caller is default-constructing us and we'll
106 : // just assume they know what they're doing.
107 0 : return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
108 0 : "'needsRestart' member of AddonEventInit");
109 : }
110 0 : return true;
111 : }
112 :
113 : bool
114 0 : AddonEventInit::Init(const nsAString& aJSON)
115 : {
116 0 : AutoJSAPI jsapi;
117 0 : JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
118 0 : if (!cleanGlobal) {
119 0 : return false;
120 : }
121 0 : if (!jsapi.Init(cleanGlobal)) {
122 0 : return false;
123 : }
124 0 : JSContext* cx = jsapi.cx();
125 0 : JS::Rooted<JS::Value> json(cx);
126 0 : bool ok = ParseJSON(cx, aJSON, &json);
127 0 : NS_ENSURE_TRUE(ok, false);
128 0 : return Init(cx, json);
129 : }
130 :
131 : bool
132 0 : AddonEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
133 : {
134 0 : AddonEventInitAtoms* atomsCache = GetAtomCache<AddonEventInitAtoms>(cx);
135 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
136 0 : return false;
137 : }
138 :
139 : // Per spec, we define the parent's members first
140 0 : if (!EventInit::ToObjectInternal(cx, rval)) {
141 0 : return false;
142 : }
143 0 : JS::Rooted<JSObject*> obj(cx, &rval.toObject());
144 :
145 : do {
146 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
147 0 : JS::Rooted<JS::Value> temp(cx);
148 0 : nsString const & currentValue = mId;
149 0 : if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
150 0 : return false;
151 : }
152 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->id_id, temp, JSPROP_ENUMERATE)) {
153 0 : return false;
154 : }
155 0 : break;
156 : } while(0);
157 :
158 : do {
159 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
160 0 : JS::Rooted<JS::Value> temp(cx);
161 0 : bool const & currentValue = mNeedsRestart;
162 0 : temp.setBoolean(currentValue);
163 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->needsRestart_id, temp, JSPROP_ENUMERATE)) {
164 0 : return false;
165 : }
166 0 : break;
167 : } while(0);
168 :
169 0 : return true;
170 : }
171 :
172 : bool
173 0 : AddonEventInit::ToJSON(nsAString& aJSON) const
174 : {
175 0 : AutoJSAPI jsapi;
176 0 : jsapi.Init();
177 0 : JSContext *cx = jsapi.cx();
178 : // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
179 : // because we'll only be creating objects, in ways that have no
180 : // side-effects, followed by a call to JS::ToJSONMaybeSafely,
181 : // which likewise guarantees no side-effects for the sorts of
182 : // things we will pass it.
183 0 : JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
184 0 : JS::Rooted<JS::Value> val(cx);
185 0 : if (!ToObjectInternal(cx, &val)) {
186 0 : return false;
187 : }
188 0 : JS::Rooted<JSObject*> obj(cx, &val.toObject());
189 0 : return StringifyToJSON(cx, obj, aJSON);
190 : }
191 :
192 : void
193 0 : AddonEventInit::TraceDictionary(JSTracer* trc)
194 : {
195 0 : EventInit::TraceDictionary(trc);
196 0 : }
197 :
198 : AddonEventInit&
199 0 : AddonEventInit::operator=(const AddonEventInit& aOther)
200 : {
201 0 : EventInit::operator=(aOther);
202 0 : mId = aOther.mId;
203 0 : mNeedsRestart = aOther.mNeedsRestart;
204 0 : return *this;
205 : }
206 :
207 : namespace binding_detail {
208 : } // namespace binding_detail
209 :
210 :
211 : namespace AddonEventBinding {
212 :
213 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventBinding::NativeType>::value,
214 : "Can't inherit from an interface with a different ownership model.");
215 :
216 : static bool
217 0 : get_id(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::AddonEvent* self, JSJitGetterCallArgs args)
218 : {
219 0 : DOMString result;
220 0 : self->GetId(result);
221 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
222 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
223 0 : return false;
224 : }
225 0 : return true;
226 : }
227 :
228 : static const JSJitInfo id_getterinfo = {
229 : { (JSJitGetterOp)get_id },
230 : { prototypes::id::AddonEvent },
231 : { PrototypeTraits<prototypes::id::AddonEvent>::Depth },
232 : JSJitInfo::Getter,
233 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
234 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
235 : false, /* isInfallible. False in setters. */
236 : false, /* isMovable. Not relevant for setters. */
237 : false, /* isEliminatable. Not relevant for setters. */
238 : false, /* isAlwaysInSlot. Only relevant for getters. */
239 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
240 : false, /* isTypedMethod. Only relevant for methods. */
241 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
242 : };
243 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
244 : static_assert(0 < 1, "There is no slot for us");
245 :
246 : static bool
247 0 : get_needsRestart(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::AddonEvent* self, JSJitGetterCallArgs args)
248 : {
249 0 : bool result(self->NeedsRestart());
250 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
251 0 : args.rval().setBoolean(result);
252 0 : return true;
253 : }
254 :
255 : static const JSJitInfo needsRestart_getterinfo = {
256 : { (JSJitGetterOp)get_needsRestart },
257 : { prototypes::id::AddonEvent },
258 : { PrototypeTraits<prototypes::id::AddonEvent>::Depth },
259 : JSJitInfo::Getter,
260 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
261 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
262 : true, /* isInfallible. False in setters. */
263 : false, /* isMovable. Not relevant for setters. */
264 : false, /* isEliminatable. Not relevant for setters. */
265 : false, /* isAlwaysInSlot. Only relevant for getters. */
266 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
267 : false, /* isTypedMethod. Only relevant for methods. */
268 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
269 : };
270 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
271 : static_assert(0 < 1, "There is no slot for us");
272 :
273 : static bool
274 0 : get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::AddonEvent* self, JSJitGetterCallArgs args)
275 : {
276 0 : bool result(self->IsTrusted());
277 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
278 0 : args.rval().setBoolean(result);
279 0 : return true;
280 : }
281 :
282 : static const JSJitInfo isTrusted_getterinfo = {
283 : { (JSJitGetterOp)get_isTrusted },
284 : { prototypes::id::AddonEvent },
285 : { PrototypeTraits<prototypes::id::AddonEvent>::Depth },
286 : JSJitInfo::Getter,
287 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
288 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
289 : true, /* isInfallible. False in setters. */
290 : true, /* isMovable. Not relevant for setters. */
291 : true, /* isEliminatable. Not relevant for setters. */
292 : false, /* isAlwaysInSlot. Only relevant for getters. */
293 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
294 : false, /* isTypedMethod. Only relevant for methods. */
295 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
296 : };
297 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
298 : static_assert(0 < 1, "There is no slot for us");
299 :
300 : static bool
301 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
302 : {
303 0 : mozilla::dom::AddonEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::AddonEvent>(obj);
304 : // We don't want to preserve if we don't have a wrapper, and we
305 : // obviously can't preserve if we're not initialized.
306 0 : if (self && self->GetWrapperPreserveColor()) {
307 0 : PreserveWrapper(self);
308 : }
309 0 : return true;
310 : }
311 :
312 : static void
313 0 : _finalize(js::FreeOp* fop, JSObject* obj)
314 : {
315 0 : mozilla::dom::AddonEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::AddonEvent>(obj);
316 0 : if (self) {
317 0 : ClearWrapper(self, self, obj);
318 0 : AddForDeferredFinalization<mozilla::dom::AddonEvent>(self);
319 : }
320 0 : }
321 :
322 : static void
323 0 : _objectMoved(JSObject* obj, const JSObject* old)
324 : {
325 0 : mozilla::dom::AddonEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::AddonEvent>(obj);
326 0 : if (self) {
327 0 : UpdateWrapper(self, self, obj, old);
328 : }
329 0 : }
330 :
331 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
332 : #if defined(__clang__)
333 : #pragma clang diagnostic push
334 : #pragma clang diagnostic ignored "-Wmissing-braces"
335 : #endif
336 : static const JSPropertySpec sAttributes_specs[] = {
337 : { "id", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &id_getterinfo, nullptr, nullptr },
338 : { "needsRestart", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &needsRestart_getterinfo, nullptr, nullptr },
339 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
340 : };
341 : #if defined(__clang__)
342 : #pragma clang diagnostic pop
343 : #endif
344 :
345 :
346 : // Can't be const because the pref-enabled boolean needs to be writable
347 : static Prefable<const JSPropertySpec> sAttributes[] = {
348 : { nullptr, &sAttributes_specs[0] },
349 : { nullptr, nullptr }
350 : };
351 :
352 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
353 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
354 : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
355 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
356 :
357 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
358 : #if defined(__clang__)
359 : #pragma clang diagnostic push
360 : #pragma clang diagnostic ignored "-Wmissing-braces"
361 : #endif
362 : static const JSPropertySpec sUnforgeableAttributes_specs[] = {
363 : { "isTrusted", JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericBindingGetter, &isTrusted_getterinfo, nullptr, nullptr },
364 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
365 : };
366 : #if defined(__clang__)
367 : #pragma clang diagnostic pop
368 : #endif
369 :
370 :
371 : // Can't be const because the pref-enabled boolean needs to be writable
372 : static Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
373 : { nullptr, &sUnforgeableAttributes_specs[0] },
374 : { nullptr, nullptr }
375 : };
376 :
377 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
378 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
379 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
380 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
381 :
382 :
383 : static uint16_t sNativeProperties_sortedPropertyIndices[3];
384 : static PropertyInfo sNativeProperties_propertyInfos[3];
385 :
386 : static const NativePropertiesN<2> sNativeProperties = {
387 : false, 0,
388 : false, 0,
389 : false, 0,
390 : true, 0 /* sAttributes */,
391 : false, 0,
392 : true, 1 /* sUnforgeableAttributes */,
393 : false, 0,
394 : -1,
395 : 3,
396 : sNativeProperties_sortedPropertyIndices,
397 : {
398 : { sAttributes, &sNativeProperties_propertyInfos[0] },
399 : { sUnforgeableAttributes, &sNativeProperties_propertyInfos[2] }
400 : }
401 : };
402 : static_assert(3 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
403 : "We have a property info count that is oversized");
404 :
405 : static bool
406 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
407 : {
408 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
409 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
410 0 : if (!args.isConstructing()) {
411 : // XXXbz wish I could get the name from the callee instead of
412 : // Adding more relocations
413 0 : return ThrowConstructorWithoutNew(cx, "AddonEvent");
414 : }
415 :
416 0 : GlobalObject global(cx, obj);
417 0 : if (global.Failed()) {
418 0 : return false;
419 : }
420 :
421 0 : JS::Rooted<JSObject*> desiredProto(cx);
422 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
423 0 : return false;
424 : }
425 :
426 0 : if (MOZ_UNLIKELY(args.length() < 2)) {
427 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "AddonEvent");
428 : }
429 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
430 0 : binding_detail::FakeString arg0;
431 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
432 0 : return false;
433 : }
434 0 : binding_detail::FastAddonEventInit arg1;
435 0 : if (!arg1.Init(cx, args[1], "Argument 2 of AddonEvent.constructor", false)) {
436 0 : return false;
437 : }
438 0 : Maybe<JSAutoCompartment> ac;
439 0 : if (objIsXray) {
440 0 : obj = js::CheckedUnwrap(obj);
441 0 : if (!obj) {
442 0 : return false;
443 : }
444 0 : ac.emplace(cx, obj);
445 0 : if (!JS_WrapObject(cx, &desiredProto)) {
446 0 : return false;
447 : }
448 : }
449 0 : binding_detail::FastErrorResult rv;
450 0 : auto result(StrongOrRawPtr<mozilla::dom::AddonEvent>(mozilla::dom::AddonEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
451 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
452 0 : return false;
453 : }
454 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
455 : static_assert(!IsPointer<decltype(result)>::value,
456 : "NewObject implies that we need to keep the object alive with a strong reference.");
457 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
458 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
459 0 : return false;
460 : }
461 0 : return true;
462 : }
463 :
464 : static const js::ClassOps sInterfaceObjectClassOps = {
465 : nullptr, /* addProperty */
466 : nullptr, /* delProperty */
467 : nullptr, /* getProperty */
468 : nullptr, /* setProperty */
469 : nullptr, /* enumerate */
470 : nullptr, /* newEnumerate */
471 : nullptr, /* resolve */
472 : nullptr, /* mayResolve */
473 : nullptr, /* finalize */
474 : _constructor, /* call */
475 : nullptr, /* hasInstance */
476 : _constructor, /* construct */
477 : nullptr, /* trace */
478 : };
479 :
480 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
481 : {
482 : "Function",
483 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
484 : &sInterfaceObjectClassOps,
485 : JS_NULL_CLASS_SPEC,
486 : JS_NULL_CLASS_EXT,
487 : &sInterfaceObjectClassObjectOps
488 : },
489 : eInterface,
490 : true,
491 : prototypes::id::AddonEvent,
492 : PrototypeTraits<prototypes::id::AddonEvent>::Depth,
493 : sNativePropertyHooks,
494 : "function AddonEvent() {\n [native code]\n}",
495 : EventBinding::GetConstructorObject
496 : };
497 :
498 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
499 : {
500 : "AddonEventPrototype",
501 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
502 : JS_NULL_CLASS_OPS,
503 : JS_NULL_CLASS_SPEC,
504 : JS_NULL_CLASS_EXT,
505 : JS_NULL_OBJECT_OPS
506 : },
507 : eInterfacePrototype,
508 : false,
509 : prototypes::id::AddonEvent,
510 : PrototypeTraits<prototypes::id::AddonEvent>::Depth,
511 : sNativePropertyHooks,
512 : "[object AddonEventPrototype]",
513 : EventBinding::GetProtoObject
514 : };
515 :
516 : bool
517 0 : ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
518 : {
519 0 : return mozilla::AddonManagerWebAPI::IsAPIEnabled(aCx, aObj);
520 : }
521 :
522 : JSObject*
523 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
524 : {
525 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
526 : }
527 :
528 : static const js::ClassOps sClassOps = {
529 : _addProperty, /* addProperty */
530 : nullptr, /* delProperty */
531 : nullptr, /* getProperty */
532 : nullptr, /* setProperty */
533 : nullptr, /* enumerate */
534 : nullptr, /* newEnumerate */
535 : nullptr, /* resolve */
536 : nullptr, /* mayResolve */
537 : _finalize, /* finalize */
538 : nullptr, /* call */
539 : nullptr, /* hasInstance */
540 : nullptr, /* construct */
541 : nullptr, /* trace */
542 : };
543 :
544 : static const js::ClassExtension sClassExtension = {
545 : nullptr, /* weakmapKeyDelegateOp */
546 : _objectMoved /* objectMovedOp */
547 : };
548 :
549 : static const DOMJSClass sClass = {
550 : { "AddonEvent",
551 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
552 : &sClassOps,
553 : JS_NULL_CLASS_SPEC,
554 : &sClassExtension,
555 : JS_NULL_OBJECT_OPS
556 : },
557 : { prototypes::id::Event, prototypes::id::AddonEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
558 : IsBaseOf<nsISupports, mozilla::dom::AddonEvent >::value,
559 : sNativePropertyHooks,
560 : FindAssociatedGlobalForNative<mozilla::dom::AddonEvent>::Get,
561 : GetProtoObjectHandle,
562 : GetCCParticipant<mozilla::dom::AddonEvent>::Get()
563 : };
564 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
565 : "Must have the right minimal number of reserved slots.");
566 : static_assert(1 >= 1,
567 : "Must have enough reserved slots.");
568 :
569 : const JSClass*
570 0 : GetJSClass()
571 : {
572 0 : return sClass.ToJSClass();
573 : }
574 :
575 : bool
576 0 : Wrap(JSContext* aCx, mozilla::dom::AddonEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
577 : {
578 : MOZ_ASSERT(static_cast<mozilla::dom::AddonEvent*>(aObject) ==
579 : reinterpret_cast<mozilla::dom::AddonEvent*>(aObject),
580 : "Multiple inheritance for mozilla::dom::AddonEvent is broken.");
581 : MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
582 : reinterpret_cast<mozilla::dom::Event*>(aObject),
583 : "Multiple inheritance for mozilla::dom::Event is broken.");
584 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
585 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
586 0 : MOZ_ASSERT(!aCache->GetWrapper(),
587 : "You should probably not be using Wrap() directly; use "
588 : "GetOrCreateDOMReflector instead");
589 :
590 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
591 : "nsISupports must be on our primary inheritance chain");
592 :
593 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
594 0 : if (!global) {
595 0 : return false;
596 : }
597 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
598 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
599 :
600 : // That might have ended up wrapping us already, due to the wonders
601 : // of XBL. Check for that, and bail out as needed.
602 0 : aReflector.set(aCache->GetWrapper());
603 0 : if (aReflector) {
604 : #ifdef DEBUG
605 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
606 : #endif // DEBUG
607 0 : return true;
608 : }
609 :
610 0 : JSAutoCompartment ac(aCx, global);
611 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
612 0 : if (!canonicalProto) {
613 0 : return false;
614 : }
615 0 : JS::Rooted<JSObject*> proto(aCx);
616 0 : if (aGivenProto) {
617 0 : proto = aGivenProto;
618 : // Unfortunately, while aGivenProto was in the compartment of aCx
619 : // coming in, we changed compartments to that of "parent" so may need
620 : // to wrap the proto here.
621 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
622 0 : if (!JS_WrapObject(aCx, &proto)) {
623 0 : return false;
624 : }
625 : }
626 : } else {
627 0 : proto = canonicalProto;
628 : }
629 :
630 0 : BindingJSObjectCreator<mozilla::dom::AddonEvent> creator(aCx);
631 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
632 0 : if (!aReflector) {
633 0 : return false;
634 : }
635 :
636 0 : aCache->SetWrapper(aReflector);
637 :
638 : // Important: do unforgeable property setup after we have handed
639 : // over ownership of the C++ object to obj as needed, so that if
640 : // we fail and it ends up GCed it won't have problems in the
641 : // finalizer trying to drop its ownership of the C++ object.
642 : JS::Rooted<JSObject*> unforgeableHolder(aCx,
643 0 : &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
644 0 : if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
645 0 : aCache->ReleaseWrapper(aObject);
646 0 : aCache->ClearWrapper();
647 0 : return false;
648 : }
649 0 : creator.InitializationSucceeded();
650 :
651 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
652 : aCache->GetWrapperPreserveColor() == aReflector);
653 : // If proto != canonicalProto, we have to preserve our wrapper;
654 : // otherwise we won't be able to properly recreate it later, since
655 : // we won't know what proto to use. Note that we don't check
656 : // aGivenProto here, since it's entirely possible (and even
657 : // somewhat common) to have a non-null aGivenProto which is the
658 : // same as canonicalProto.
659 0 : if (proto != canonicalProto) {
660 0 : PreserveWrapper(aObject);
661 : }
662 :
663 0 : return true;
664 : }
665 :
666 : const NativePropertyHooks sNativePropertyHooks[] = { {
667 : nullptr,
668 : nullptr,
669 : nullptr,
670 : { sNativeProperties.Upcast(), nullptr },
671 : prototypes::id::AddonEvent,
672 : constructors::id::AddonEvent,
673 : EventBinding::sNativePropertyHooks,
674 : &DefaultXrayExpandoObjectClass
675 : } };
676 :
677 : void
678 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
679 : {
680 0 : JS::Handle<JSObject*> parentProto(EventBinding::GetProtoObjectHandle(aCx));
681 0 : if (!parentProto) {
682 0 : return;
683 : }
684 :
685 0 : JS::Handle<JSObject*> constructorProto(EventBinding::GetConstructorObjectHandle(aCx));
686 0 : if (!constructorProto) {
687 0 : return;
688 : }
689 :
690 : static bool sIdsInited = false;
691 0 : if (!sIdsInited && NS_IsMainThread()) {
692 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
693 0 : return;
694 : }
695 0 : sIdsInited = true;
696 : }
697 :
698 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::AddonEvent);
699 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::AddonEvent);
700 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
701 : &sPrototypeClass.mBase, protoCache,
702 : constructorProto, &sInterfaceObjectClass.mBase, 2, nullptr,
703 : interfaceCache,
704 : sNativeProperties.Upcast(),
705 : nullptr,
706 : "AddonEvent", aDefineOnGlobal,
707 : nullptr,
708 0 : false);
709 :
710 0 : JS::Rooted<JSObject*> unforgeableHolder(aCx);
711 : {
712 0 : JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
713 0 : unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
714 0 : if (!unforgeableHolder) {
715 0 : *protoCache = nullptr;
716 0 : if (interfaceCache) {
717 0 : *interfaceCache = nullptr;
718 : }
719 0 : return;
720 : }
721 : }
722 :
723 0 : if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
724 0 : *protoCache = nullptr;
725 0 : if (interfaceCache) {
726 0 : *interfaceCache = nullptr;
727 : }
728 0 : return;
729 : }
730 :
731 0 : if (*protoCache) {
732 0 : js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
733 0 : JS::ObjectValue(*unforgeableHolder));
734 : }
735 : }
736 :
737 : JS::Handle<JSObject*>
738 0 : GetProtoObjectHandle(JSContext* aCx)
739 : {
740 : /* Get the interface prototype object for this class. This will create the
741 : object as needed. */
742 0 : bool aDefineOnGlobal = true;
743 :
744 : /* Make sure our global is sane. Hopefully we can remove this sometime */
745 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
746 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
747 0 : return nullptr;
748 : }
749 :
750 : /* Check to see whether the interface objects are already installed */
751 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
752 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::AddonEvent)) {
753 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
754 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
755 : }
756 :
757 : /*
758 : * The object might _still_ be null, but that's OK.
759 : *
760 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
761 : * traced by TraceProtoAndIfaceCache() and its contents are never
762 : * changed after they have been set.
763 : *
764 : * Calling address() avoids the read read barrier that does gray
765 : * unmarking, but it's not possible for the object to be gray here.
766 : */
767 :
768 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::AddonEvent);
769 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
770 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
771 : }
772 :
773 : JS::Handle<JSObject*>
774 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
775 : {
776 : /* Get the interface object for this class. This will create the object as
777 : needed. */
778 :
779 : /* Make sure our global is sane. Hopefully we can remove this sometime */
780 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
781 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
782 0 : return nullptr;
783 : }
784 :
785 : /* Check to see whether the interface objects are already installed */
786 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
787 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::AddonEvent)) {
788 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
789 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
790 : }
791 :
792 : /*
793 : * The object might _still_ be null, but that's OK.
794 : *
795 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
796 : * traced by TraceProtoAndIfaceCache() and its contents are never
797 : * changed after they have been set.
798 : *
799 : * Calling address() avoids the read read barrier that does gray
800 : * unmarking, but it's not possible for the object to be gray here.
801 : */
802 :
803 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::AddonEvent);
804 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
805 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
806 : }
807 :
808 : JSObject*
809 0 : GetConstructorObject(JSContext* aCx)
810 : {
811 0 : return GetConstructorObjectHandle(aCx);
812 : }
813 :
814 : } // namespace AddonEventBinding
815 :
816 :
817 :
818 : } // namespace dom
819 : } // namespace mozilla
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