Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/SpeechSynthesisErrorEventBinding.cpp
Line
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Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM SpeechSynthesisErrorEvent.webidl BY Codegen.py - DO NOT EDIT */
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3
#include "AtomList.h"
4
#include "SpeechSynthesisErrorEventBinding.h"
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#include "SpeechSynthesisEventBinding.h"
6
#include "WrapperFactory.h"
7
#include "jsapi.h"
8
#include "mozilla/FloatingPoint.h"
9
#include "mozilla/OwningNonNull.h"
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#include "mozilla/Preferences.h"
11
#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/DOMJSClass.h"
13
#include "mozilla/dom/NonRefcountedDOMObject.h"
14
#include "mozilla/dom/PrimitiveConversions.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/dom/SimpleGlobalObject.h"
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#include "mozilla/dom/SpeechSynthesisErrorEvent.h"
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#include "mozilla/dom/XrayExpandoClass.h"
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20
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;
25
26
27
namespace SpeechSynthesisErrorCodeValues {
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extern const EnumEntry strings[12] = {
29
  {"canceled", 8},
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  {"interrupted", 11},
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  {"audio-busy", 10},
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  {"audio-hardware", 14},
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  {"network", 7},
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  {"synthesis-unavailable", 21},
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  {"synthesis-failed", 16},
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  {"language-unavailable", 20},
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  {"voice-unavailable", 17},
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  {"text-too-long", 13},
39
  {"invalid-argument", 16},
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  { nullptr, 0 }
41
};
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} // namespace SpeechSynthesisErrorCodeValues
43
44
bool
45
ToJSValue(JSContext* aCx, SpeechSynthesisErrorCode aArgument, JS::MutableHandle<JS::Value> aValue)
46
0
{
47
0
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(SpeechSynthesisErrorCodeValues::strings));
48
0
  JSString* resultStr =
49
0
    JS_NewStringCopyN(aCx, SpeechSynthesisErrorCodeValues::strings[uint32_t(aArgument)].value,
50
0
                      SpeechSynthesisErrorCodeValues::strings[uint32_t(aArgument)].length);
51
0
  if (!resultStr) {
52
0
    return false;
53
0
  }
54
0
  aValue.setString(resultStr);
55
0
  return true;
56
0
}
57
58
59
60
SpeechSynthesisErrorEventInit::SpeechSynthesisErrorEventInit()
61
  : SpeechSynthesisEventInit(FastDictionaryInitializer())
62
0
{
63
0
  // Safe to pass a null context if we pass a null value
64
0
  Init(nullptr, JS::NullHandleValue);
65
0
}
66
67
68
69
bool
70
SpeechSynthesisErrorEventInit::InitIds(JSContext* cx, SpeechSynthesisErrorEventInitAtoms* atomsCache)
71
0
{
72
0
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
73
0
74
0
  // Initialize these in reverse order so that any failure leaves the first one
75
0
  // uninitialized.
76
0
  if (!atomsCache->error_id.init(cx, "error")) {
77
0
    return false;
78
0
  }
79
0
  return true;
80
0
}
81
82
bool
83
SpeechSynthesisErrorEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
84
0
{
85
0
  // Passing a null JSContext is OK only if we're initing from null,
86
0
  // Since in that case we will not have to do any property gets
87
0
  // Also evaluate isNullOrUndefined in order to avoid false-positive
88
0
  // checkers by static analysis tools
89
0
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
90
0
  SpeechSynthesisErrorEventInitAtoms* atomsCache = nullptr;
91
0
  if (cx) {
92
0
    atomsCache = GetAtomCache<SpeechSynthesisErrorEventInitAtoms>(cx);
93
0
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
94
0
      return false;
95
0
    }
96
0
  }
97
0
98
0
  // Per spec, we init the parent's members first
99
0
  if (!SpeechSynthesisEventInit::Init(cx, val)) {
100
0
    return false;
101
0
  }
102
0
103
0
  bool isNull = val.isNullOrUndefined();
104
0
  // We only need these if !isNull, in which case we have |cx|.
105
0
  Maybe<JS::Rooted<JSObject *> > object;
106
0
  Maybe<JS::Rooted<JS::Value> > temp;
107
0
  if (!isNull) {
108
0
    MOZ_ASSERT(cx);
109
0
    object.emplace(cx, &val.toObject());
110
0
    temp.emplace(cx);
111
0
  }
112
0
  if (!isNull) {
113
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->error_id, temp.ptr())) {
114
0
      return false;
115
0
    }
116
0
  }
117
0
  if (!isNull && !temp->isUndefined()) {
118
0
    {
119
0
      int index;
120
0
      if (!FindEnumStringIndex<true>(cx, temp.ref(), SpeechSynthesisErrorCodeValues::strings, "SpeechSynthesisErrorCode", "'error' member of SpeechSynthesisErrorEventInit", &index)) {
121
0
        return false;
122
0
      }
123
0
      MOZ_ASSERT(index >= 0);
124
0
      mError = static_cast<SpeechSynthesisErrorCode>(index);
125
0
    }
126
0
    mIsAnyMemberPresent = true;
127
0
  } else if (cx) {
128
0
    // Don't error out if we have no cx.  In that
129
0
    // situation the caller is default-constructing us and we'll
130
0
    // just assume they know what they're doing.
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0
    return ThrowErrorMessage(cx, MSG_MISSING_REQUIRED_DICTIONARY_MEMBER,
132
0
                             "'error' member of SpeechSynthesisErrorEventInit");
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0
  }
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0
  return true;
135
0
}
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bool
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SpeechSynthesisErrorEventInit::Init(const nsAString& aJSON)
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0
{
140
0
  AutoJSAPI jsapi;
141
0
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
142
0
  if (!cleanGlobal) {
143
0
    return false;
144
0
  }
145
0
  if (!jsapi.Init(cleanGlobal)) {
146
0
    return false;
147
0
  }
148
0
  JSContext* cx = jsapi.cx();
149
0
  JS::Rooted<JS::Value> json(cx);
150
0
  bool ok = ParseJSON(cx, aJSON, &json);
151
0
  NS_ENSURE_TRUE(ok, false);
152
0
  return Init(cx, json);
153
0
}
154
155
bool
156
SpeechSynthesisErrorEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
157
0
{
158
0
  SpeechSynthesisErrorEventInitAtoms* atomsCache = GetAtomCache<SpeechSynthesisErrorEventInitAtoms>(cx);
159
0
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
160
0
    return false;
161
0
  }
162
0
163
0
  // Per spec, we define the parent's members first
164
0
  if (!SpeechSynthesisEventInit::ToObjectInternal(cx, rval)) {
165
0
    return false;
166
0
  }
167
0
  JS::Rooted<JSObject*> obj(cx, &rval.toObject());
168
0
169
0
  do {
170
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
171
0
    JS::Rooted<JS::Value> temp(cx);
172
0
    SpeechSynthesisErrorCode const & currentValue = mError;
173
0
    if (!ToJSValue(cx, currentValue, &temp)) {
174
0
      return false;
175
0
    }
176
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->error_id, temp, JSPROP_ENUMERATE)) {
177
0
      return false;
178
0
    }
179
0
    break;
180
0
  } while(false);
181
0
182
0
  return true;
183
0
}
184
185
bool
186
SpeechSynthesisErrorEventInit::ToJSON(nsAString& aJSON) const
187
0
{
188
0
  AutoJSAPI jsapi;
189
0
  jsapi.Init();
190
0
  JSContext *cx = jsapi.cx();
191
0
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
192
0
  // because we'll only be creating objects, in ways that have no
193
0
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
194
0
  // which likewise guarantees no side-effects for the sorts of
195
0
  // things we will pass it.
196
0
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
197
0
  JS::Rooted<JS::Value> val(cx);
198
0
  if (!ToObjectInternal(cx, &val)) {
199
0
    return false;
200
0
  }
201
0
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
202
0
  return StringifyToJSON(cx, obj, aJSON);
203
0
}
204
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void
206
SpeechSynthesisErrorEventInit::TraceDictionary(JSTracer* trc)
207
0
{
208
0
  SpeechSynthesisEventInit::TraceDictionary(trc);
209
0
}
210
211
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SpeechSynthesisErrorEventInit&
214
SpeechSynthesisErrorEventInit::operator=(const SpeechSynthesisErrorEventInit& aOther)
215
0
{
216
0
  SpeechSynthesisEventInit::operator=(aOther);
217
0
  mError = aOther.mError;
218
0
  return *this;
219
0
}
220
221
namespace binding_detail {
222
} // namespace binding_detail
223
224
225
namespace SpeechSynthesisErrorEvent_Binding {
226
227
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<SpeechSynthesisEvent_Binding::NativeType>::value,
228
              "Can't inherit from an interface with a different ownership model.");
229
230
MOZ_CAN_RUN_SCRIPT static bool
231
get_error(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SpeechSynthesisErrorEvent* self, JSJitGetterCallArgs args)
232
0
{
233
0
  AUTO_PROFILER_LABEL_FAST("get SpeechSynthesisErrorEvent.error", DOM, cx);
234
0
235
0
  SpeechSynthesisErrorCode result(self->Error());
236
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
237
0
  if (!ToJSValue(cx, result, args.rval())) {
238
0
    return false;
239
0
  }
240
0
  return true;
241
0
}
242
243
static const JSJitInfo error_getterinfo = {
244
  { (JSJitGetterOp)get_error },
245
  { prototypes::id::SpeechSynthesisErrorEvent },
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  { PrototypeTraits<prototypes::id::SpeechSynthesisErrorEvent>::Depth },
247
  JSJitInfo::Getter,
248
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
249
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
250
  false,  /* isInfallible. False in setters. */
251
  false,  /* isMovable.  Not relevant for setters. */
252
  false, /* isEliminatable.  Not relevant for setters. */
253
  false, /* isAlwaysInSlot.  Only relevant for getters. */
254
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
255
  false,  /* isTypedMethod.  Only relevant for methods. */
256
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
257
};
258
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
259
static_assert(0 < 1, "There is no slot for us");
260
261
MOZ_CAN_RUN_SCRIPT static bool
262
get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SpeechSynthesisErrorEvent* self, JSJitGetterCallArgs args)
263
0
{
264
0
  AUTO_PROFILER_LABEL_FAST("get SpeechSynthesisErrorEvent.isTrusted", DOM, cx);
265
0
266
0
  bool result(self->IsTrusted());
267
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
268
0
  args.rval().setBoolean(result);
269
0
  return true;
270
0
}
271
272
static const JSJitInfo isTrusted_getterinfo = {
273
  { (JSJitGetterOp)get_isTrusted },
274
  { prototypes::id::SpeechSynthesisErrorEvent },
275
  { PrototypeTraits<prototypes::id::SpeechSynthesisErrorEvent>::Depth },
276
  JSJitInfo::Getter,
277
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
278
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
279
  true,  /* isInfallible. False in setters. */
280
  true,  /* isMovable.  Not relevant for setters. */
281
  true, /* isEliminatable.  Not relevant for setters. */
282
  false, /* isAlwaysInSlot.  Only relevant for getters. */
283
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
284
  false,  /* isTypedMethod.  Only relevant for methods. */
285
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
286
};
287
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
288
static_assert(0 < 1, "There is no slot for us");
289
290
static bool
291
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
292
0
{
293
0
  mozilla::dom::SpeechSynthesisErrorEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SpeechSynthesisErrorEvent>(obj);
294
0
  // We don't want to preserve if we don't have a wrapper, and we
295
0
  // obviously can't preserve if we're not initialized.
296
0
  if (self && self->GetWrapperPreserveColor()) {
297
0
    PreserveWrapper(self);
298
0
  }
299
0
  return true;
300
0
}
301
302
static void
303
_finalize(js::FreeOp* fop, JSObject* obj)
304
0
{
305
0
  mozilla::dom::SpeechSynthesisErrorEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SpeechSynthesisErrorEvent>(obj);
306
0
  if (self) {
307
0
    ClearWrapper(self, self, obj);
308
0
    AddForDeferredFinalization<mozilla::dom::SpeechSynthesisErrorEvent>(self);
309
0
  }
310
0
}
311
312
static size_t
313
_objectMoved(JSObject* obj, JSObject* old)
314
0
{
315
0
  mozilla::dom::SpeechSynthesisErrorEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SpeechSynthesisErrorEvent>(obj);
316
0
  if (self) {
317
0
    UpdateWrapper(self, self, obj, old);
318
0
  }
319
0
320
0
  return 0;
321
0
}
322
323
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
324
#if defined(__clang__)
325
#pragma clang diagnostic push
326
#pragma clang diagnostic ignored "-Wmissing-braces"
327
#endif
328
static const JSPropertySpec sAttributes_specs[] = {
329
  { "error", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &error_getterinfo, nullptr, nullptr },
330
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
331
};
332
#if defined(__clang__)
333
#pragma clang diagnostic pop
334
#endif
335
336
337
static const Prefable<const JSPropertySpec> sAttributes[] = {
338
  { nullptr, &sAttributes_specs[0] },
339
  { nullptr, nullptr }
340
};
341
342
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
343
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
344
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
345
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
346
347
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
348
#if defined(__clang__)
349
#pragma clang diagnostic push
350
#pragma clang diagnostic ignored "-Wmissing-braces"
351
#endif
352
static const JSPropertySpec sUnforgeableAttributes_specs[] = {
353
  { "isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isTrusted_getterinfo, nullptr, nullptr },
354
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
355
};
356
#if defined(__clang__)
357
#pragma clang diagnostic pop
358
#endif
359
360
361
static const Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
362
  { nullptr, &sUnforgeableAttributes_specs[0] },
363
  { nullptr, nullptr }
364
};
365
366
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
367
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
368
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
369
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
370
371
372
static uint16_t sNativeProperties_sortedPropertyIndices[2];
373
static PropertyInfo sNativeProperties_propertyInfos[2];
374
375
static const NativePropertiesN<2> sNativeProperties = {
376
  false, 0,
377
  false, 0,
378
  false, 0,
379
  true,  0 /* sAttributes */,
380
  false, 0,
381
  true,  1 /* sUnforgeableAttributes */,
382
  false, 0,
383
  -1,
384
  2,
385
  sNativeProperties_sortedPropertyIndices,
386
  {
387
    { sAttributes, &sNativeProperties_propertyInfos[0] },
388
    { sUnforgeableAttributes, &sNativeProperties_propertyInfos[1] }
389
  }
390
};
391
static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
392
    "We have a property info count that is oversized");
393
394
static bool
395
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
396
0
{
397
0
  AUTO_PROFILER_LABEL_FAST("SpeechSynthesisErrorEvent constructor", DOM, cx);
398
0
399
0
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
400
0
  JS::Rooted<JSObject*> obj(cx, &args.callee());
401
0
  if (!args.isConstructing()) {
402
0
    // XXXbz wish I could get the name from the callee instead of
403
0
    // Adding more relocations
404
0
    return ThrowConstructorWithoutNew(cx, "SpeechSynthesisErrorEvent");
405
0
  }
406
0
407
0
  JS::Rooted<JSObject*> desiredProto(cx);
408
0
  if (!GetDesiredProto(cx, args, &desiredProto)) {
409
0
    return false;
410
0
  }
411
0
412
0
  if (MOZ_UNLIKELY(args.length() < 2)) {
413
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "SpeechSynthesisErrorEvent");
414
0
  }
415
0
  GlobalObject global(cx, obj);
416
0
  if (global.Failed()) {
417
0
    return false;
418
0
  }
419
0
420
0
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
421
0
  binding_detail::FakeString arg0;
422
0
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
423
0
    return false;
424
0
  }
425
0
  binding_detail::FastSpeechSynthesisErrorEventInit arg1;
426
0
  if (!arg1.Init(cx, args[1],  "Argument 2 of SpeechSynthesisErrorEvent.constructor", false)) {
427
0
    return false;
428
0
  }
429
0
  Maybe<JSAutoRealm> ar;
430
0
  if (objIsXray) {
431
0
    obj = js::CheckedUnwrap(obj);
432
0
    if (!obj) {
433
0
      return false;
434
0
    }
435
0
    ar.emplace(cx, obj);
436
0
    if (!JS_WrapObject(cx, &desiredProto)) {
437
0
      return false;
438
0
    }
439
0
  }
440
0
  FastErrorResult rv;
441
0
  auto result(StrongOrRawPtr<mozilla::dom::SpeechSynthesisErrorEvent>(mozilla::dom::SpeechSynthesisErrorEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
442
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
443
0
    return false;
444
0
  }
445
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
446
0
  static_assert(!IsPointer<decltype(result)>::value,
447
0
                "NewObject implies that we need to keep the object alive with a strong reference.");
448
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
449
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
450
0
    return false;
451
0
  }
452
0
  return true;
453
0
}
454
455
static const js::ClassOps sInterfaceObjectClassOps = {
456
    nullptr,               /* addProperty */
457
    nullptr,               /* delProperty */
458
    nullptr,               /* enumerate */
459
    nullptr,               /* newEnumerate */
460
    nullptr,               /* resolve */
461
    nullptr,               /* mayResolve */
462
    nullptr,               /* finalize */
463
    _constructor, /* call */
464
    nullptr,               /* hasInstance */
465
    _constructor, /* construct */
466
    nullptr,               /* trace */
467
};
468
469
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
470
  {
471
    "Function",
472
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
473
    &sInterfaceObjectClassOps,
474
    JS_NULL_CLASS_SPEC,
475
    JS_NULL_CLASS_EXT,
476
    &sInterfaceObjectClassObjectOps
477
  },
478
  eInterface,
479
  true,
480
  prototypes::id::SpeechSynthesisErrorEvent,
481
  PrototypeTraits<prototypes::id::SpeechSynthesisErrorEvent>::Depth,
482
  sNativePropertyHooks,
483
  "function SpeechSynthesisErrorEvent() {\n    [native code]\n}",
484
  SpeechSynthesisEvent_Binding::GetConstructorObject
485
};
486
487
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
488
  {
489
    "SpeechSynthesisErrorEventPrototype",
490
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
491
    JS_NULL_CLASS_OPS,
492
    JS_NULL_CLASS_SPEC,
493
    JS_NULL_CLASS_EXT,
494
    JS_NULL_OBJECT_OPS
495
  },
496
  eInterfacePrototype,
497
  false,
498
  prototypes::id::SpeechSynthesisErrorEvent,
499
  PrototypeTraits<prototypes::id::SpeechSynthesisErrorEvent>::Depth,
500
  sNativePropertyHooks,
501
  "[object SpeechSynthesisErrorEventPrototype]",
502
  SpeechSynthesisEvent_Binding::GetProtoObject
503
};
504
505
bool
506
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
507
0
{
508
0
  static bool sPrefValue;
509
0
  static bool sPrefCacheSetUp = false;
510
0
  if (!sPrefCacheSetUp) {
511
0
    sPrefCacheSetUp = true;
512
0
    Preferences::AddBoolVarCache(&sPrefValue, "media.webspeech.synth.enabled");
513
0
  }
514
0
515
0
  return sPrefValue;
516
0
}
517
518
static const js::ClassOps sClassOps = {
519
  _addProperty, /* addProperty */
520
  nullptr,               /* delProperty */
521
  nullptr,               /* enumerate */
522
  nullptr, /* newEnumerate */
523
  nullptr, /* resolve */
524
  nullptr, /* mayResolve */
525
  _finalize, /* finalize */
526
  nullptr, /* call */
527
  nullptr,               /* hasInstance */
528
  nullptr,               /* construct */
529
  nullptr, /* trace */
530
};
531
532
static const js::ClassExtension sClassExtension = {
533
  nullptr, /* weakmapKeyDelegateOp */
534
  _objectMoved /* objectMovedOp */
535
};
536
537
static const DOMJSClass sClass = {
538
  { "SpeechSynthesisErrorEvent",
539
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
540
    &sClassOps,
541
    JS_NULL_CLASS_SPEC,
542
    &sClassExtension,
543
    JS_NULL_OBJECT_OPS
544
  },
545
  { prototypes::id::Event, prototypes::id::SpeechSynthesisEvent, prototypes::id::SpeechSynthesisErrorEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
546
  IsBaseOf<nsISupports, mozilla::dom::SpeechSynthesisErrorEvent >::value,
547
  sNativePropertyHooks,
548
  FindAssociatedGlobalForNative<mozilla::dom::SpeechSynthesisErrorEvent>::Get,
549
  GetProtoObjectHandle,
550
  GetCCParticipant<mozilla::dom::SpeechSynthesisErrorEvent>::Get()
551
};
552
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
553
              "Must have the right minimal number of reserved slots.");
554
static_assert(1 >= 1,
555
              "Must have enough reserved slots.");
556
557
const JSClass*
558
GetJSClass()
559
0
{
560
0
  return sClass.ToJSClass();
561
0
}
562
563
bool
564
Wrap(JSContext* aCx, mozilla::dom::SpeechSynthesisErrorEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
565
0
{
566
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::SpeechSynthesisErrorEvent>::value,
567
0
                "Shouldn't have wrappercached things that are not refcounted.");
568
0
  MOZ_ASSERT(static_cast<mozilla::dom::SpeechSynthesisErrorEvent*>(aObject) ==
569
0
             reinterpret_cast<mozilla::dom::SpeechSynthesisErrorEvent*>(aObject),
570
0
             "Multiple inheritance for mozilla::dom::SpeechSynthesisErrorEvent is broken.");
571
0
  MOZ_ASSERT(static_cast<mozilla::dom::SpeechSynthesisEvent*>(aObject) ==
572
0
             reinterpret_cast<mozilla::dom::SpeechSynthesisEvent*>(aObject),
573
0
             "Multiple inheritance for mozilla::dom::SpeechSynthesisEvent is broken.");
574
0
  MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
575
0
             reinterpret_cast<mozilla::dom::Event*>(aObject),
576
0
             "Multiple inheritance for mozilla::dom::Event is broken.");
577
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
578
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
579
0
  MOZ_ASSERT(!aCache->GetWrapper(),
580
0
             "You should probably not be using Wrap() directly; use "
581
0
             "GetOrCreateDOMReflector instead");
582
0
583
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
584
0
             "nsISupports must be on our primary inheritance chain");
585
0
586
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
587
0
  if (!global) {
588
0
    return false;
589
0
  }
590
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
591
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
592
0
593
0
  // That might have ended up wrapping us already, due to the wonders
594
0
  // of XBL.  Check for that, and bail out as needed.
595
0
  aReflector.set(aCache->GetWrapper());
596
0
  if (aReflector) {
597
#ifdef DEBUG
598
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
599
#endif // DEBUG
600
    return true;
601
0
  }
602
0
603
0
  JSAutoRealm ar(aCx, global);
604
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
605
0
  if (!canonicalProto) {
606
0
    return false;
607
0
  }
608
0
  JS::Rooted<JSObject*> proto(aCx);
609
0
  if (aGivenProto) {
610
0
    proto = aGivenProto;
611
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
612
0
    // coming in, we changed compartments to that of "parent" so may need
613
0
    // to wrap the proto here.
614
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
615
0
      if (!JS_WrapObject(aCx, &proto)) {
616
0
        return false;
617
0
      }
618
0
    }
619
0
  } else {
620
0
    proto = canonicalProto;
621
0
  }
622
0
623
0
  BindingJSObjectCreator<mozilla::dom::SpeechSynthesisErrorEvent> creator(aCx);
624
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
625
0
  if (!aReflector) {
626
0
    return false;
627
0
  }
628
0
629
0
  aCache->SetWrapper(aReflector);
630
0
631
0
  // Important: do unforgeable property setup after we have handed
632
0
  // over ownership of the C++ object to obj as needed, so that if
633
0
  // we fail and it ends up GCed it won't have problems in the
634
0
  // finalizer trying to drop its ownership of the C++ object.
635
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx,
636
0
    &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
637
0
  if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
638
0
    aCache->ReleaseWrapper(aObject);
639
0
    aCache->ClearWrapper();
640
0
    return false;
641
0
  }
642
0
  creator.InitializationSucceeded();
643
0
644
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
645
0
             aCache->GetWrapperPreserveColor() == aReflector);
646
0
  // If proto != canonicalProto, we have to preserve our wrapper;
647
0
  // otherwise we won't be able to properly recreate it later, since
648
0
  // we won't know what proto to use.  Note that we don't check
649
0
  // aGivenProto here, since it's entirely possible (and even
650
0
  // somewhat common) to have a non-null aGivenProto which is the
651
0
  // same as canonicalProto.
652
0
  if (proto != canonicalProto) {
653
0
    PreserveWrapper(aObject);
654
0
  }
655
0
656
0
  return true;
657
0
}
658
659
const NativePropertyHooks sNativePropertyHooks[] = { {
660
  nullptr,
661
  nullptr,
662
  nullptr,
663
  { sNativeProperties.Upcast(), nullptr },
664
  prototypes::id::SpeechSynthesisErrorEvent,
665
  constructors::id::SpeechSynthesisErrorEvent,
666
  SpeechSynthesisEvent_Binding::sNativePropertyHooks,
667
  &DefaultXrayExpandoObjectClass
668
} };
669
670
void
671
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
672
0
{
673
0
  JS::Handle<JSObject*> parentProto(SpeechSynthesisEvent_Binding::GetProtoObjectHandle(aCx));
674
0
  if (!parentProto) {
675
0
    return;
676
0
  }
677
0
678
0
  JS::Handle<JSObject*> constructorProto(SpeechSynthesisEvent_Binding::GetConstructorObjectHandle(aCx));
679
0
  if (!constructorProto) {
680
0
    return;
681
0
  }
682
0
683
0
  static bool sIdsInited = false;
684
0
  if (!sIdsInited && NS_IsMainThread()) {
685
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
686
0
      return;
687
0
    }
688
0
    sIdsInited = true;
689
0
  }
690
0
691
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::SpeechSynthesisErrorEvent);
692
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::SpeechSynthesisErrorEvent);
693
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
694
0
                              &sPrototypeClass.mBase, protoCache,
695
0
                              nullptr,
696
0
                              constructorProto, &sInterfaceObjectClass.mBase, 2, nullptr,
697
0
                              interfaceCache,
698
0
                              sNativeProperties.Upcast(),
699
0
                              nullptr,
700
0
                              "SpeechSynthesisErrorEvent", aDefineOnGlobal,
701
0
                              nullptr,
702
0
                              false);
703
0
704
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx);
705
0
  {
706
0
    JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
707
0
    unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
708
0
    if (!unforgeableHolder) {
709
0
      *protoCache = nullptr;
710
0
      if (interfaceCache) {
711
0
        *interfaceCache = nullptr;
712
0
      }
713
0
      return;
714
0
    }
715
0
  }
716
0
717
0
  if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
718
0
    *protoCache = nullptr;
719
0
    if (interfaceCache) {
720
0
      *interfaceCache = nullptr;
721
0
    }
722
0
    return;
723
0
  }
724
0
725
0
  if (*protoCache) {
726
0
    js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
727
0
                        JS::ObjectValue(*unforgeableHolder));
728
0
  }
729
0
}
730
731
JSObject*
732
GetConstructorObject(JSContext* aCx)
733
0
{
734
0
  return GetConstructorObjectHandle(aCx);
735
0
}
736
737
} // namespace SpeechSynthesisErrorEvent_Binding
738
739
740
741
} // namespace dom
742
} // namespace mozilla