Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/FetchEventBinding.cpp
Line
Count
Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM FetchEvent.webidl BY Codegen.py - DO NOT EDIT */
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#include "AtomList.h"
4
#include "ExtendableEventBinding.h"
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#include "FetchEventBinding.h"
6
#include "ServiceWorkerEvents.h"
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#include "WrapperFactory.h"
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#include "mozilla/OwningNonNull.h"
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#include "mozilla/dom/BindingUtils.h"
10
#include "mozilla/dom/DOMJSClass.h"
11
#include "mozilla/dom/NonRefcountedDOMObject.h"
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#include "mozilla/dom/PrimitiveConversions.h"
13
#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/Request.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "nsThreadUtils.h"
18
19
namespace mozilla {
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namespace dom {
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namespace binding_detail {}; // Just to make sure it's known as a namespace
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using namespace mozilla::dom::binding_detail;
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25
26
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FetchEventInit::FetchEventInit()
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  : EventInit(FastDictionaryInitializer())
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0
{
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0
  // Safe to pass a null context if we pass a null value
31
0
  Init(nullptr, JS::NullHandleValue);
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0
}
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bool
37
FetchEventInit::InitIds(JSContext* cx, FetchEventInitAtoms* atomsCache)
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0
{
39
0
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
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0
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0
  // Initialize these in reverse order so that any failure leaves the first one
42
0
  // uninitialized.
43
0
  if (!atomsCache->request_id.init(cx, "request") ||
44
0
      !atomsCache->isReload_id.init(cx, "isReload") ||
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0
      !atomsCache->clientId_id.init(cx, "clientId")) {
46
0
    return false;
47
0
  }
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0
  return true;
49
0
}
50
51
bool
52
FetchEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
53
0
{
54
0
  // Passing a null JSContext is OK only if we're initing from null,
55
0
  // Since in that case we will not have to do any property gets
56
0
  // Also evaluate isNullOrUndefined in order to avoid false-positive
57
0
  // checkers by static analysis tools
58
0
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
59
0
  FetchEventInitAtoms* atomsCache = nullptr;
60
0
  if (cx) {
61
0
    atomsCache = GetAtomCache<FetchEventInitAtoms>(cx);
62
0
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
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0
      return false;
64
0
    }
65
0
  }
66
0
67
0
  // Per spec, we init the parent's members first
68
0
  if (!EventInit::Init(cx, val)) {
69
0
    return false;
70
0
  }
71
0
72
0
  bool isNull = val.isNullOrUndefined();
73
0
  // We only need these if !isNull, in which case we have |cx|.
74
0
  Maybe<JS::Rooted<JSObject *> > object;
75
0
  Maybe<JS::Rooted<JS::Value> > temp;
76
0
  if (!isNull) {
77
0
    MOZ_ASSERT(cx);
78
0
    object.emplace(cx, &val.toObject());
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0
    temp.emplace(cx);
80
0
  }
81
0
  if (!isNull) {
82
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->clientId_id, temp.ptr())) {
83
0
      return false;
84
0
    }
85
0
  }
86
0
  if (!isNull && !temp->isUndefined()) {
87
0
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mClientId)) {
88
0
      return false;
89
0
    }
90
0
  } else {
91
0
    static const char16_t data[] = { 0 };
92
0
    mClientId.Rebind(data, ArrayLength(data) - 1);
93
0
  }
94
0
  mIsAnyMemberPresent = true;
95
0
96
0
  if (!isNull) {
97
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->isReload_id, temp.ptr())) {
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0
      return false;
99
0
    }
100
0
  }
101
0
  if (!isNull && !temp->isUndefined()) {
102
0
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mIsReload)) {
103
0
      return false;
104
0
    }
105
0
  } else {
106
0
    mIsReload = false;
107
0
  }
108
0
  mIsAnyMemberPresent = true;
109
0
110
0
  if (!isNull) {
111
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->request_id, temp.ptr())) {
112
0
      return false;
113
0
    }
114
0
  }
115
0
  if (!isNull && !temp->isUndefined()) {
116
0
    if (temp.ref().isObject()) {
117
0
      static_assert(IsRefcounted<mozilla::dom::Request>::value, "We can only store refcounted classes.");{
118
0
        nsresult rv = UnwrapObject<prototypes::id::Request, mozilla::dom::Request>(temp.ptr(), mRequest);
119
0
        if (NS_FAILED(rv)) {
120
0
          ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "'request' member of FetchEventInit", "Request");
121
0
          return false;
122
0
        }
123
0
      }
124
0
    } else {
125
0
      ThrowErrorMessage(cx, MSG_NOT_OBJECT, "'request' member of FetchEventInit");
126
0
      return false;
127
0
    }
128
0
    mIsAnyMemberPresent = true;
129
0
  } else if (cx) {
130
0
    // Don't error out if we have no cx.  In that
131
0
    // situation the caller is default-constructing us and we'll
132
0
    // just assume they know what they're doing.
133
0
    return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
134
0
                             "'request' member of FetchEventInit");
135
0
  }
136
0
  return true;
137
0
}
138
139
bool
140
FetchEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
141
0
{
142
0
  FetchEventInitAtoms* atomsCache = GetAtomCache<FetchEventInitAtoms>(cx);
143
0
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
144
0
    return false;
145
0
  }
146
0
147
0
  // Per spec, we define the parent's members first
148
0
  if (!EventInit::ToObjectInternal(cx, rval)) {
149
0
    return false;
150
0
  }
151
0
  JS::Rooted<JSObject*> obj(cx, &rval.toObject());
152
0
153
0
  do {
154
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
155
0
    JS::Rooted<JS::Value> temp(cx);
156
0
    nsString const & currentValue = mClientId;
157
0
    if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
158
0
      return false;
159
0
    }
160
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->clientId_id, temp, JSPROP_ENUMERATE)) {
161
0
      return false;
162
0
    }
163
0
    break;
164
0
  } while(false);
165
0
166
0
  do {
167
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
168
0
    JS::Rooted<JS::Value> temp(cx);
169
0
    bool const & currentValue = mIsReload;
170
0
    temp.setBoolean(currentValue);
171
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->isReload_id, temp, JSPROP_ENUMERATE)) {
172
0
      return false;
173
0
    }
174
0
    break;
175
0
  } while(false);
176
0
177
0
  do {
178
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
179
0
    JS::Rooted<JS::Value> temp(cx);
180
0
    OwningNonNull<mozilla::dom::Request> const & currentValue = mRequest;
181
0
    if (!GetOrCreateDOMReflector(cx, currentValue, &temp)) {
182
0
      MOZ_ASSERT(JS_IsExceptionPending(cx));
183
0
      return false;
184
0
    }
185
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->request_id, temp, JSPROP_ENUMERATE)) {
186
0
      return false;
187
0
    }
188
0
    break;
189
0
  } while(false);
190
0
191
0
  return true;
192
0
}
193
194
void
195
FetchEventInit::TraceDictionary(JSTracer* trc)
196
0
{
197
0
  EventInit::TraceDictionary(trc);
198
0
}
199
200
201
202
FetchEventInit&
203
FetchEventInit::operator=(const FetchEventInit& aOther)
204
0
{
205
0
  EventInit::operator=(aOther);
206
0
  mClientId = aOther.mClientId;
207
0
  mIsReload = aOther.mIsReload;
208
0
  mRequest = aOther.mRequest;
209
0
  return *this;
210
0
}
211
212
namespace binding_detail {
213
} // namespace binding_detail
214
215
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namespace FetchEvent_Binding {
217
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static_assert(IsRefcounted<NativeType>::value == IsRefcounted<ExtendableEvent_Binding::NativeType>::value,
219
              "Can't inherit from an interface with a different ownership model.");
220
221
MOZ_CAN_RUN_SCRIPT static bool
222
get_request(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FetchEvent* self, JSJitGetterCallArgs args)
223
0
{
224
0
  AUTO_PROFILER_LABEL_FAST("get FetchEvent.request", DOM, cx);
225
0
226
0
  auto result(StrongOrRawPtr<mozilla::dom::Request>(self->Request_()));
227
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
228
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
229
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
230
0
    return false;
231
0
  }
232
0
  return true;
233
0
}
234
235
static const JSJitInfo request_getterinfo = {
236
  { (JSJitGetterOp)get_request },
237
  { prototypes::id::FetchEvent },
238
  { PrototypeTraits<prototypes::id::FetchEvent>::Depth },
239
  JSJitInfo::Getter,
240
  JSJitInfo::AliasNone, /* aliasSet.  Not relevant for setters. */
241
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
242
  false,  /* isInfallible. False in setters. */
243
  true,  /* isMovable.  Not relevant for setters. */
244
  true, /* isEliminatable.  Not relevant for setters. */
245
  false, /* isAlwaysInSlot.  Only relevant for getters. */
246
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
247
  false,  /* isTypedMethod.  Only relevant for methods. */
248
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
249
};
250
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
251
static_assert(0 < 1, "There is no slot for us");
252
253
MOZ_CAN_RUN_SCRIPT static bool
254
get_clientId(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FetchEvent* self, JSJitGetterCallArgs args)
255
0
{
256
0
  AUTO_PROFILER_LABEL_FAST("get FetchEvent.clientId", DOM, cx);
257
0
258
0
  DOMString result;
259
0
  self->GetClientId(result);
260
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
261
0
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
262
0
    return false;
263
0
  }
264
0
  return true;
265
0
}
266
267
static const JSJitInfo clientId_getterinfo = {
268
  { (JSJitGetterOp)get_clientId },
269
  { prototypes::id::FetchEvent },
270
  { PrototypeTraits<prototypes::id::FetchEvent>::Depth },
271
  JSJitInfo::Getter,
272
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
273
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
274
  false,  /* isInfallible. False in setters. */
275
  false,  /* isMovable.  Not relevant for setters. */
276
  false, /* isEliminatable.  Not relevant for setters. */
277
  false, /* isAlwaysInSlot.  Only relevant for getters. */
278
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
279
  false,  /* isTypedMethod.  Only relevant for methods. */
280
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
281
};
282
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
283
static_assert(0 < 1, "There is no slot for us");
284
285
MOZ_CAN_RUN_SCRIPT static bool
286
get_isReload(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FetchEvent* self, JSJitGetterCallArgs args)
287
0
{
288
0
  AUTO_PROFILER_LABEL_FAST("get FetchEvent.isReload", DOM, cx);
289
0
290
0
  bool result(self->IsReload());
291
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
292
0
  args.rval().setBoolean(result);
293
0
  return true;
294
0
}
295
296
static const JSJitInfo isReload_getterinfo = {
297
  { (JSJitGetterOp)get_isReload },
298
  { prototypes::id::FetchEvent },
299
  { PrototypeTraits<prototypes::id::FetchEvent>::Depth },
300
  JSJitInfo::Getter,
301
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
302
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
303
  true,  /* isInfallible. False in setters. */
304
  false,  /* isMovable.  Not relevant for setters. */
305
  false, /* isEliminatable.  Not relevant for setters. */
306
  false, /* isAlwaysInSlot.  Only relevant for getters. */
307
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
308
  false,  /* isTypedMethod.  Only relevant for methods. */
309
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
310
};
311
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
312
static_assert(0 < 1, "There is no slot for us");
313
314
MOZ_CAN_RUN_SCRIPT static bool
315
respondWith(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FetchEvent* self, const JSJitMethodCallArgs& args)
316
0
{
317
0
  AUTO_PROFILER_LABEL_FAST("FetchEvent.respondWith", DOM, cx);
318
0
319
0
  if (MOZ_UNLIKELY(args.length() < 1)) {
320
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "FetchEvent.respondWith");
321
0
  }
322
0
  OwningNonNull<Promise> arg0;
323
0
  { // Scope for our GlobalObject, FastErrorResult, JSAutoRealm,
324
0
    // etc.
325
0
326
0
    JS::Rooted<JSObject*> globalObj(cx);
327
0
    globalObj = JS::CurrentGlobalOrNull(cx);
328
0
    JSAutoRealm ar(cx, globalObj);
329
0
    GlobalObject promiseGlobal(cx, globalObj);
330
0
    if (promiseGlobal.Failed()) {
331
0
      return false;
332
0
    }
333
0
334
0
    JS::Rooted<JS::Value> valueToResolve(cx, args[0]);
335
0
    if (!JS_WrapValue(cx, &valueToResolve)) {
336
0
      return false;
337
0
    }
338
0
    binding_detail::FastErrorResult promiseRv;
339
0
    nsCOMPtr<nsIGlobalObject> global =
340
0
      do_QueryInterface(promiseGlobal.GetAsSupports());
341
0
    if (!global) {
342
0
      promiseRv.ThrowWithCustomCleanup(NS_ERROR_UNEXPECTED);
343
0
      MOZ_ALWAYS_TRUE(promiseRv.MaybeSetPendingException(cx));
344
0
      return false;
345
0
    }
346
0
    arg0 = Promise::Resolve(global, cx, valueToResolve,
347
0
                                    promiseRv);
348
0
    if (promiseRv.MaybeSetPendingException(cx)) {
349
0
      return false;
350
0
    }
351
0
  }
352
0
  FastErrorResult rv;
353
0
  self->RespondWith(cx, NonNullHelper(arg0), rv);
354
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
355
0
    return false;
356
0
  }
357
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
358
0
  args.rval().setUndefined();
359
0
  return true;
360
0
}
361
362
static const JSJitInfo respondWith_methodinfo = {
363
  { (JSJitGetterOp)respondWith },
364
  { prototypes::id::FetchEvent },
365
  { PrototypeTraits<prototypes::id::FetchEvent>::Depth },
366
  JSJitInfo::Method,
367
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
368
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
369
  false,  /* isInfallible. False in setters. */
370
  false,  /* isMovable.  Not relevant for setters. */
371
  false, /* isEliminatable.  Not relevant for setters. */
372
  false, /* isAlwaysInSlot.  Only relevant for getters. */
373
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
374
  false,  /* isTypedMethod.  Only relevant for methods. */
375
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
376
};
377
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
378
static_assert(0 < 1, "There is no slot for us");
379
380
MOZ_CAN_RUN_SCRIPT static bool
381
get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FetchEvent* self, JSJitGetterCallArgs args)
382
0
{
383
0
  AUTO_PROFILER_LABEL_FAST("get FetchEvent.isTrusted", DOM, cx);
384
0
385
0
  bool result(self->IsTrusted());
386
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
387
0
  args.rval().setBoolean(result);
388
0
  return true;
389
0
}
390
391
static const JSJitInfo isTrusted_getterinfo = {
392
  { (JSJitGetterOp)get_isTrusted },
393
  { prototypes::id::FetchEvent },
394
  { PrototypeTraits<prototypes::id::FetchEvent>::Depth },
395
  JSJitInfo::Getter,
396
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
397
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
398
  true,  /* isInfallible. False in setters. */
399
  true,  /* isMovable.  Not relevant for setters. */
400
  true, /* isEliminatable.  Not relevant for setters. */
401
  false, /* isAlwaysInSlot.  Only relevant for getters. */
402
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
403
  false,  /* isTypedMethod.  Only relevant for methods. */
404
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
405
};
406
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
407
static_assert(0 < 1, "There is no slot for us");
408
409
static bool
410
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
411
0
{
412
0
  mozilla::dom::FetchEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FetchEvent>(obj);
413
0
  // We don't want to preserve if we don't have a wrapper, and we
414
0
  // obviously can't preserve if we're not initialized.
415
0
  if (self && self->GetWrapperPreserveColor()) {
416
0
    PreserveWrapper(self);
417
0
  }
418
0
  return true;
419
0
}
420
421
static void
422
_finalize(js::FreeOp* fop, JSObject* obj)
423
0
{
424
0
  mozilla::dom::FetchEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FetchEvent>(obj);
425
0
  if (self) {
426
0
    ClearWrapper(self, self, obj);
427
0
    AddForDeferredFinalization<mozilla::dom::FetchEvent>(self);
428
0
  }
429
0
}
430
431
static size_t
432
_objectMoved(JSObject* obj, JSObject* old)
433
0
{
434
0
  mozilla::dom::FetchEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FetchEvent>(obj);
435
0
  if (self) {
436
0
    UpdateWrapper(self, self, obj, old);
437
0
  }
438
0
439
0
  return 0;
440
0
}
441
442
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
443
#if defined(__clang__)
444
#pragma clang diagnostic push
445
#pragma clang diagnostic ignored "-Wmissing-braces"
446
#endif
447
static const JSFunctionSpec sMethods_specs[] = {
448
  JS_FNSPEC("respondWith", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&respondWith_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
449
  JS_FS_END
450
};
451
#if defined(__clang__)
452
#pragma clang diagnostic pop
453
#endif
454
455
456
static const Prefable<const JSFunctionSpec> sMethods[] = {
457
  { nullptr, &sMethods_specs[0] },
458
  { nullptr, nullptr }
459
};
460
461
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
462
#if defined(__clang__)
463
#pragma clang diagnostic push
464
#pragma clang diagnostic ignored "-Wmissing-braces"
465
#endif
466
static const JSPropertySpec sAttributes_specs[] = {
467
  { "request", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &request_getterinfo, nullptr, nullptr },
468
  { "clientId", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &clientId_getterinfo, nullptr, nullptr },
469
  { "isReload", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isReload_getterinfo, nullptr, nullptr },
470
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
471
};
472
#if defined(__clang__)
473
#pragma clang diagnostic pop
474
#endif
475
476
477
static const Prefable<const JSPropertySpec> sAttributes[] = {
478
  { nullptr, &sAttributes_specs[0] },
479
  { nullptr, nullptr }
480
};
481
482
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
483
#if defined(__clang__)
484
#pragma clang diagnostic push
485
#pragma clang diagnostic ignored "-Wmissing-braces"
486
#endif
487
static const JSPropertySpec sUnforgeableAttributes_specs[] = {
488
  { "isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isTrusted_getterinfo, nullptr, nullptr },
489
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
490
};
491
#if defined(__clang__)
492
#pragma clang diagnostic pop
493
#endif
494
495
496
static const Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
497
  { nullptr, &sUnforgeableAttributes_specs[0] },
498
  { nullptr, nullptr }
499
};
500
501
502
static const NativePropertiesN<3> sNativeProperties = {
503
  false, 0,
504
  false, 0,
505
  true,  0 /* sMethods */,
506
  true,  1 /* sAttributes */,
507
  false, 0,
508
  true,  2 /* sUnforgeableAttributes */,
509
  false, 0,
510
  -1,
511
  0,
512
  nullptr,
513
  {
514
    { sMethods, nullptr },
515
    { sAttributes, nullptr },
516
    { sUnforgeableAttributes, nullptr }
517
  }
518
};
519
520
static bool
521
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
522
0
{
523
0
  AUTO_PROFILER_LABEL_FAST("FetchEvent constructor", DOM, cx);
524
0
525
0
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
526
0
  JS::Rooted<JSObject*> obj(cx, &args.callee());
527
0
  if (!args.isConstructing()) {
528
0
    // XXXbz wish I could get the name from the callee instead of
529
0
    // Adding more relocations
530
0
    return ThrowConstructorWithoutNew(cx, "FetchEvent");
531
0
  }
532
0
533
0
  JS::Rooted<JSObject*> desiredProto(cx);
534
0
  if (!GetDesiredProto(cx, args, &desiredProto)) {
535
0
    return false;
536
0
  }
537
0
538
0
  if (MOZ_UNLIKELY(args.length() < 2)) {
539
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "FetchEvent");
540
0
  }
541
0
  GlobalObject global(cx, obj);
542
0
  if (global.Failed()) {
543
0
    return false;
544
0
  }
545
0
546
0
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
547
0
  binding_detail::FakeString arg0;
548
0
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
549
0
    return false;
550
0
  }
551
0
  binding_detail::FastFetchEventInit arg1;
552
0
  if (!arg1.Init(cx, args[1],  "Argument 2 of FetchEvent.constructor", false)) {
553
0
    return false;
554
0
  }
555
0
  Maybe<JSAutoRealm> ar;
556
0
  if (objIsXray) {
557
0
    obj = js::CheckedUnwrap(obj);
558
0
    if (!obj) {
559
0
      return false;
560
0
    }
561
0
    ar.emplace(cx, obj);
562
0
    if (!JS_WrapObject(cx, &desiredProto)) {
563
0
      return false;
564
0
    }
565
0
  }
566
0
  FastErrorResult rv;
567
0
  auto result(StrongOrRawPtr<mozilla::dom::FetchEvent>(mozilla::dom::FetchEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
568
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
569
0
    return false;
570
0
  }
571
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
572
0
  static_assert(!IsPointer<decltype(result)>::value,
573
0
                "NewObject implies that we need to keep the object alive with a strong reference.");
574
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
575
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
576
0
    return false;
577
0
  }
578
0
  return true;
579
0
}
580
581
static const js::ClassOps sInterfaceObjectClassOps = {
582
    nullptr,               /* addProperty */
583
    nullptr,               /* delProperty */
584
    nullptr,               /* enumerate */
585
    nullptr,               /* newEnumerate */
586
    nullptr,               /* resolve */
587
    nullptr,               /* mayResolve */
588
    nullptr,               /* finalize */
589
    _constructor, /* call */
590
    nullptr,               /* hasInstance */
591
    _constructor, /* construct */
592
    nullptr,               /* trace */
593
};
594
595
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
596
  {
597
    "Function",
598
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
599
    &sInterfaceObjectClassOps,
600
    JS_NULL_CLASS_SPEC,
601
    JS_NULL_CLASS_EXT,
602
    &sInterfaceObjectClassObjectOps
603
  },
604
  eInterface,
605
  true,
606
  prototypes::id::FetchEvent,
607
  PrototypeTraits<prototypes::id::FetchEvent>::Depth,
608
  &sEmptyNativePropertyHooks,
609
  "function FetchEvent() {\n    [native code]\n}",
610
  ExtendableEvent_Binding::GetConstructorObject
611
};
612
613
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
614
  {
615
    "FetchEventPrototype",
616
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
617
    JS_NULL_CLASS_OPS,
618
    JS_NULL_CLASS_SPEC,
619
    JS_NULL_CLASS_EXT,
620
    JS_NULL_OBJECT_OPS
621
  },
622
  eInterfacePrototype,
623
  false,
624
  prototypes::id::FetchEvent,
625
  PrototypeTraits<prototypes::id::FetchEvent>::Depth,
626
  &sEmptyNativePropertyHooks,
627
  "[object FetchEventPrototype]",
628
  ExtendableEvent_Binding::GetProtoObject
629
};
630
631
bool
632
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
633
0
{
634
0
  MOZ_ASSERT(!NS_IsMainThread(), "Why did we even get called?");
635
0
636
0
  const char* name = js::GetObjectClass(aObj)->name;
637
0
  if (strcmp(name, "ServiceWorkerGlobalScope")) {
638
0
    return false;
639
0
  }
640
0
641
0
  return ServiceWorkerVisible(aCx, aObj);
642
0
}
643
644
static const js::ClassOps sClassOps = {
645
  _addProperty, /* addProperty */
646
  nullptr,               /* delProperty */
647
  nullptr,               /* enumerate */
648
  nullptr, /* newEnumerate */
649
  nullptr, /* resolve */
650
  nullptr, /* mayResolve */
651
  _finalize, /* finalize */
652
  nullptr, /* call */
653
  nullptr,               /* hasInstance */
654
  nullptr,               /* construct */
655
  nullptr, /* trace */
656
};
657
658
static const js::ClassExtension sClassExtension = {
659
  nullptr, /* weakmapKeyDelegateOp */
660
  _objectMoved /* objectMovedOp */
661
};
662
663
static const DOMJSClass sClass = {
664
  { "FetchEvent",
665
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
666
    &sClassOps,
667
    JS_NULL_CLASS_SPEC,
668
    &sClassExtension,
669
    JS_NULL_OBJECT_OPS
670
  },
671
  { prototypes::id::Event, prototypes::id::ExtendableEvent, prototypes::id::FetchEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
672
  IsBaseOf<nsISupports, mozilla::dom::FetchEvent >::value,
673
  &sEmptyNativePropertyHooks,
674
  FindAssociatedGlobalForNative<mozilla::dom::FetchEvent>::Get,
675
  GetProtoObjectHandle,
676
  GetCCParticipant<mozilla::dom::FetchEvent>::Get()
677
};
678
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
679
              "Must have the right minimal number of reserved slots.");
680
static_assert(1 >= 1,
681
              "Must have enough reserved slots.");
682
683
const JSClass*
684
GetJSClass()
685
0
{
686
0
  return sClass.ToJSClass();
687
0
}
688
689
bool
690
Wrap(JSContext* aCx, mozilla::dom::FetchEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
691
0
{
692
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::FetchEvent>::value,
693
0
                "Shouldn't have wrappercached things that are not refcounted.");
694
0
  MOZ_ASSERT(static_cast<mozilla::dom::FetchEvent*>(aObject) ==
695
0
             reinterpret_cast<mozilla::dom::FetchEvent*>(aObject),
696
0
             "Multiple inheritance for mozilla::dom::FetchEvent is broken.");
697
0
  MOZ_ASSERT(static_cast<mozilla::dom::ExtendableEvent*>(aObject) ==
698
0
             reinterpret_cast<mozilla::dom::ExtendableEvent*>(aObject),
699
0
             "Multiple inheritance for mozilla::dom::ExtendableEvent is broken.");
700
0
  MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
701
0
             reinterpret_cast<mozilla::dom::Event*>(aObject),
702
0
             "Multiple inheritance for mozilla::dom::Event is broken.");
703
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
704
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
705
0
  MOZ_ASSERT(!aCache->GetWrapper(),
706
0
             "You should probably not be using Wrap() directly; use "
707
0
             "GetOrCreateDOMReflector instead");
708
0
709
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
710
0
             "nsISupports must be on our primary inheritance chain");
711
0
712
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
713
0
  if (!global) {
714
0
    return false;
715
0
  }
716
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
717
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
718
0
719
0
  // That might have ended up wrapping us already, due to the wonders
720
0
  // of XBL.  Check for that, and bail out as needed.
721
0
  aReflector.set(aCache->GetWrapper());
722
0
  if (aReflector) {
723
#ifdef DEBUG
724
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
725
#endif // DEBUG
726
    return true;
727
0
  }
728
0
729
0
  JSAutoRealm ar(aCx, global);
730
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
731
0
  if (!canonicalProto) {
732
0
    return false;
733
0
  }
734
0
  JS::Rooted<JSObject*> proto(aCx);
735
0
  if (aGivenProto) {
736
0
    proto = aGivenProto;
737
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
738
0
    // coming in, we changed compartments to that of "parent" so may need
739
0
    // to wrap the proto here.
740
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
741
0
      if (!JS_WrapObject(aCx, &proto)) {
742
0
        return false;
743
0
      }
744
0
    }
745
0
  } else {
746
0
    proto = canonicalProto;
747
0
  }
748
0
749
0
  BindingJSObjectCreator<mozilla::dom::FetchEvent> creator(aCx);
750
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
751
0
  if (!aReflector) {
752
0
    return false;
753
0
  }
754
0
755
0
  aCache->SetWrapper(aReflector);
756
0
757
0
  // Important: do unforgeable property setup after we have handed
758
0
  // over ownership of the C++ object to obj as needed, so that if
759
0
  // we fail and it ends up GCed it won't have problems in the
760
0
  // finalizer trying to drop its ownership of the C++ object.
761
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx,
762
0
    &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
763
0
  if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
764
0
    aCache->ReleaseWrapper(aObject);
765
0
    aCache->ClearWrapper();
766
0
    return false;
767
0
  }
768
0
  creator.InitializationSucceeded();
769
0
770
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
771
0
             aCache->GetWrapperPreserveColor() == aReflector);
772
0
  // If proto != canonicalProto, we have to preserve our wrapper;
773
0
  // otherwise we won't be able to properly recreate it later, since
774
0
  // we won't know what proto to use.  Note that we don't check
775
0
  // aGivenProto here, since it's entirely possible (and even
776
0
  // somewhat common) to have a non-null aGivenProto which is the
777
0
  // same as canonicalProto.
778
0
  if (proto != canonicalProto) {
779
0
    PreserveWrapper(aObject);
780
0
  }
781
0
782
0
  return true;
783
0
}
784
785
void
786
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
787
0
{
788
0
  JS::Handle<JSObject*> parentProto(ExtendableEvent_Binding::GetProtoObjectHandle(aCx));
789
0
  if (!parentProto) {
790
0
    return;
791
0
  }
792
0
793
0
  JS::Handle<JSObject*> constructorProto(ExtendableEvent_Binding::GetConstructorObjectHandle(aCx));
794
0
  if (!constructorProto) {
795
0
    return;
796
0
  }
797
0
798
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::FetchEvent);
799
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::FetchEvent);
800
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
801
0
                              &sPrototypeClass.mBase, protoCache,
802
0
                              nullptr,
803
0
                              constructorProto, &sInterfaceObjectClass.mBase, 2, nullptr,
804
0
                              interfaceCache,
805
0
                              sNativeProperties.Upcast(),
806
0
                              nullptr,
807
0
                              "FetchEvent", aDefineOnGlobal,
808
0
                              nullptr,
809
0
                              false);
810
0
811
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx);
812
0
  {
813
0
    JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
814
0
    unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
815
0
    if (!unforgeableHolder) {
816
0
      *protoCache = nullptr;
817
0
      if (interfaceCache) {
818
0
        *interfaceCache = nullptr;
819
0
      }
820
0
      return;
821
0
    }
822
0
  }
823
0
824
0
  if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
825
0
    *protoCache = nullptr;
826
0
    if (interfaceCache) {
827
0
      *interfaceCache = nullptr;
828
0
    }
829
0
    return;
830
0
  }
831
0
832
0
  if (*protoCache) {
833
0
    js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
834
0
                        JS::ObjectValue(*unforgeableHolder));
835
0
  }
836
0
}
837
838
JSObject*
839
GetConstructorObject(JSContext* aCx)
840
0
{
841
0
  return GetConstructorObjectHandle(aCx);
842
0
}
843
844
} // namespace FetchEvent_Binding
845
846
847
848
} // namespace dom
849
} // namespace mozilla