Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/StorageManagerBinding.cpp
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Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM StorageManager.webidl BY Codegen.py - DO NOT EDIT */
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#include "AtomList.h"
4
#include "StorageManagerBinding.h"
5
#include "WrapperFactory.h"
6
#include "mozilla/OwningNonNull.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/DOMJSClass.h"
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#include "mozilla/dom/DOMPrefs.h"
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#include "mozilla/dom/NonRefcountedDOMObject.h"
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#include "mozilla/dom/PrimitiveConversions.h"
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#include "mozilla/dom/Promise.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/StorageManager.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "mozilla/dom/XrayExpandoClass.h"
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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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StorageEstimate::StorageEstimate()
28
0
{
29
0
  // Safe to pass a null context if we pass a null value
30
0
  Init(nullptr, JS::NullHandleValue);
31
0
}
32
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bool
36
StorageEstimate::InitIds(JSContext* cx, StorageEstimateAtoms* atomsCache)
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0
{
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0
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
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0
40
0
  // Initialize these in reverse order so that any failure leaves the first one
41
0
  // uninitialized.
42
0
  if (!atomsCache->usage_id.init(cx, "usage") ||
43
0
      !atomsCache->quota_id.init(cx, "quota")) {
44
0
    return false;
45
0
  }
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0
  return true;
47
0
}
48
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bool
50
StorageEstimate::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
51
0
{
52
0
  // Passing a null JSContext is OK only if we're initing from null,
53
0
  // Since in that case we will not have to do any property gets
54
0
  // Also evaluate isNullOrUndefined in order to avoid false-positive
55
0
  // checkers by static analysis tools
56
0
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
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0
  StorageEstimateAtoms* atomsCache = nullptr;
58
0
  if (cx) {
59
0
    atomsCache = GetAtomCache<StorageEstimateAtoms>(cx);
60
0
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
61
0
      return false;
62
0
    }
63
0
  }
64
0
65
0
  if (!IsConvertibleToDictionary(val)) {
66
0
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
67
0
  }
68
0
69
0
  bool isNull = val.isNullOrUndefined();
70
0
  // We only need these if !isNull, in which case we have |cx|.
71
0
  Maybe<JS::Rooted<JSObject *> > object;
72
0
  Maybe<JS::Rooted<JS::Value> > temp;
73
0
  if (!isNull) {
74
0
    MOZ_ASSERT(cx);
75
0
    object.emplace(cx, &val.toObject());
76
0
    temp.emplace(cx);
77
0
  }
78
0
  if (!isNull) {
79
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->quota_id, temp.ptr())) {
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0
      return false;
81
0
    }
82
0
  }
83
0
  if (!isNull && !temp->isUndefined()) {
84
0
    mQuota.Construct();
85
0
    if (!ValueToPrimitive<uint64_t, eDefault>(cx, temp.ref(), &(mQuota.Value()))) {
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0
      return false;
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0
    }
88
0
    mIsAnyMemberPresent = true;
89
0
  }
90
0
91
0
  if (!isNull) {
92
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->usage_id, temp.ptr())) {
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0
      return false;
94
0
    }
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0
  }
96
0
  if (!isNull && !temp->isUndefined()) {
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0
    mUsage.Construct();
98
0
    if (!ValueToPrimitive<uint64_t, eDefault>(cx, temp.ref(), &(mUsage.Value()))) {
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0
      return false;
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0
    }
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0
    mIsAnyMemberPresent = true;
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0
  }
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0
  return true;
104
0
}
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bool
107
StorageEstimate::Init(const nsAString& aJSON)
108
0
{
109
0
  AutoJSAPI jsapi;
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0
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
111
0
  if (!cleanGlobal) {
112
0
    return false;
113
0
  }
114
0
  if (!jsapi.Init(cleanGlobal)) {
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0
    return false;
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0
  }
117
0
  JSContext* cx = jsapi.cx();
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0
  JS::Rooted<JS::Value> json(cx);
119
0
  bool ok = ParseJSON(cx, aJSON, &json);
120
0
  NS_ENSURE_TRUE(ok, false);
121
0
  return Init(cx, json);
122
0
}
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bool
125
StorageEstimate::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
126
0
{
127
0
  StorageEstimateAtoms* atomsCache = GetAtomCache<StorageEstimateAtoms>(cx);
128
0
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
129
0
    return false;
130
0
  }
131
0
132
0
  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
133
0
  if (!obj) {
134
0
    return false;
135
0
  }
136
0
  rval.set(JS::ObjectValue(*obj));
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0
138
0
  if (mQuota.WasPassed()) {
139
0
    do {
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0
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
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0
      JS::Rooted<JS::Value> temp(cx);
142
0
      uint64_t const & currentValue = mQuota.InternalValue();
143
0
      temp.set(JS_NumberValue(double(currentValue)));
144
0
      if (!JS_DefinePropertyById(cx, obj, atomsCache->quota_id, temp, JSPROP_ENUMERATE)) {
145
0
        return false;
146
0
      }
147
0
      break;
148
0
    } while(false);
149
0
  }
150
0
151
0
  if (mUsage.WasPassed()) {
152
0
    do {
153
0
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
154
0
      JS::Rooted<JS::Value> temp(cx);
155
0
      uint64_t const & currentValue = mUsage.InternalValue();
156
0
      temp.set(JS_NumberValue(double(currentValue)));
157
0
      if (!JS_DefinePropertyById(cx, obj, atomsCache->usage_id, temp, JSPROP_ENUMERATE)) {
158
0
        return false;
159
0
      }
160
0
      break;
161
0
    } while(false);
162
0
  }
163
0
164
0
  return true;
165
0
}
166
167
bool
168
StorageEstimate::ToJSON(nsAString& aJSON) const
169
0
{
170
0
  AutoJSAPI jsapi;
171
0
  jsapi.Init();
172
0
  JSContext *cx = jsapi.cx();
173
0
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
174
0
  // because we'll only be creating objects, in ways that have no
175
0
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
176
0
  // which likewise guarantees no side-effects for the sorts of
177
0
  // things we will pass it.
178
0
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
179
0
  JS::Rooted<JS::Value> val(cx);
180
0
  if (!ToObjectInternal(cx, &val)) {
181
0
    return false;
182
0
  }
183
0
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
184
0
  return StringifyToJSON(cx, obj, aJSON);
185
0
}
186
187
void
188
StorageEstimate::TraceDictionary(JSTracer* trc)
189
0
{
190
0
}
191
192
StorageEstimate&
193
StorageEstimate::operator=(const StorageEstimate& aOther)
194
0
{
195
0
  DictionaryBase::operator=(aOther);
196
0
  mQuota.Reset();
197
0
  if (aOther.mQuota.WasPassed()) {
198
0
    mQuota.Construct(aOther.mQuota.Value());
199
0
  }
200
0
  mUsage.Reset();
201
0
  if (aOther.mUsage.WasPassed()) {
202
0
    mUsage.Construct(aOther.mUsage.Value());
203
0
  }
204
0
  return *this;
205
0
}
206
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namespace binding_detail {
208
} // namespace binding_detail
209
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namespace StorageManager_Binding {
212
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MOZ_CAN_RUN_SCRIPT static bool
214
persisted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::StorageManager* self, const JSJitMethodCallArgs& args)
215
0
{
216
0
  AUTO_PROFILER_LABEL_FAST("StorageManager.persisted", DOM, cx);
217
0
218
0
  FastErrorResult rv;
219
0
  auto result(StrongOrRawPtr<Promise>(self->Persisted(rv)));
220
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
221
0
    return false;
222
0
  }
223
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
224
0
  if (!ToJSValue(cx, result, args.rval())) {
225
0
    return false;
226
0
  }
227
0
  return true;
228
0
}
229
230
MOZ_CAN_RUN_SCRIPT static bool
231
persisted_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::StorageManager* self, const JSJitMethodCallArgs& args)
232
0
{
233
0
  bool ok = persisted(cx, obj, self, args);
234
0
  if (ok) {
235
0
    return true;
236
0
  }
237
0
  return ConvertExceptionToPromise(cx, args.rval());
238
0
}
239
240
static const JSJitInfo persisted_methodinfo = {
241
  { (JSJitGetterOp)persisted_promiseWrapper },
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  { prototypes::id::StorageManager },
243
  { PrototypeTraits<prototypes::id::StorageManager>::Depth },
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  JSJitInfo::Method,
245
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
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  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
247
  false,  /* isInfallible. False in setters. */
248
  false,  /* isMovable.  Not relevant for setters. */
249
  false, /* isEliminatable.  Not relevant for setters. */
250
  false, /* isAlwaysInSlot.  Only relevant for getters. */
251
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
252
  false,  /* isTypedMethod.  Only relevant for methods. */
253
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
254
};
255
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
256
static_assert(0 < 1, "There is no slot for us");
257
258
MOZ_CAN_RUN_SCRIPT static bool
259
persist(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::StorageManager* self, const JSJitMethodCallArgs& args)
260
0
{
261
0
  AUTO_PROFILER_LABEL_FAST("StorageManager.persist", DOM, cx);
262
0
263
0
  FastErrorResult rv;
264
0
  auto result(StrongOrRawPtr<Promise>(self->Persist(rv)));
265
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
266
0
    return false;
267
0
  }
268
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
269
0
  if (!ToJSValue(cx, result, args.rval())) {
270
0
    return false;
271
0
  }
272
0
  return true;
273
0
}
274
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MOZ_CAN_RUN_SCRIPT static bool
276
persist_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::StorageManager* self, const JSJitMethodCallArgs& args)
277
0
{
278
0
  bool ok = persist(cx, obj, self, args);
279
0
  if (ok) {
280
0
    return true;
281
0
  }
282
0
  return ConvertExceptionToPromise(cx, args.rval());
283
0
}
284
285
static const JSJitInfo persist_methodinfo = {
286
  { (JSJitGetterOp)persist_promiseWrapper },
287
  { prototypes::id::StorageManager },
288
  { PrototypeTraits<prototypes::id::StorageManager>::Depth },
289
  JSJitInfo::Method,
290
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
291
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
292
  false,  /* isInfallible. False in setters. */
293
  false,  /* isMovable.  Not relevant for setters. */
294
  false, /* isEliminatable.  Not relevant for setters. */
295
  false, /* isAlwaysInSlot.  Only relevant for getters. */
296
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
297
  false,  /* isTypedMethod.  Only relevant for methods. */
298
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
299
};
300
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
301
static_assert(0 < 1, "There is no slot for us");
302
303
MOZ_CAN_RUN_SCRIPT static bool
304
estimate(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::StorageManager* self, const JSJitMethodCallArgs& args)
305
0
{
306
0
  AUTO_PROFILER_LABEL_FAST("StorageManager.estimate", DOM, cx);
307
0
308
0
  FastErrorResult rv;
309
0
  auto result(StrongOrRawPtr<Promise>(self->Estimate(rv)));
310
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
311
0
    return false;
312
0
  }
313
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
314
0
  if (!ToJSValue(cx, result, args.rval())) {
315
0
    return false;
316
0
  }
317
0
  return true;
318
0
}
319
320
MOZ_CAN_RUN_SCRIPT static bool
321
estimate_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::StorageManager* self, const JSJitMethodCallArgs& args)
322
0
{
323
0
  bool ok = estimate(cx, obj, self, args);
324
0
  if (ok) {
325
0
    return true;
326
0
  }
327
0
  return ConvertExceptionToPromise(cx, args.rval());
328
0
}
329
330
static const JSJitInfo estimate_methodinfo = {
331
  { (JSJitGetterOp)estimate_promiseWrapper },
332
  { prototypes::id::StorageManager },
333
  { PrototypeTraits<prototypes::id::StorageManager>::Depth },
334
  JSJitInfo::Method,
335
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
336
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
337
  false,  /* isInfallible. False in setters. */
338
  false,  /* isMovable.  Not relevant for setters. */
339
  false, /* isEliminatable.  Not relevant for setters. */
340
  false, /* isAlwaysInSlot.  Only relevant for getters. */
341
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
342
  false,  /* isTypedMethod.  Only relevant for methods. */
343
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
344
};
345
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
346
static_assert(0 < 1, "There is no slot for us");
347
348
static bool
349
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
350
0
{
351
0
  mozilla::dom::StorageManager* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::StorageManager>(obj);
352
0
  // We don't want to preserve if we don't have a wrapper, and we
353
0
  // obviously can't preserve if we're not initialized.
354
0
  if (self && self->GetWrapperPreserveColor()) {
355
0
    PreserveWrapper(self);
356
0
  }
357
0
  return true;
358
0
}
359
360
static void
361
_finalize(js::FreeOp* fop, JSObject* obj)
362
0
{
363
0
  mozilla::dom::StorageManager* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::StorageManager>(obj);
364
0
  if (self) {
365
0
    ClearWrapper(self, self, obj);
366
0
    AddForDeferredFinalization<mozilla::dom::StorageManager>(self);
367
0
  }
368
0
}
369
370
static size_t
371
_objectMoved(JSObject* obj, JSObject* old)
372
0
{
373
0
  mozilla::dom::StorageManager* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::StorageManager>(obj);
374
0
  if (self) {
375
0
    UpdateWrapper(self, self, obj, old);
376
0
  }
377
0
378
0
  return 0;
379
0
}
380
381
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
382
#if defined(__clang__)
383
#pragma clang diagnostic push
384
#pragma clang diagnostic ignored "-Wmissing-braces"
385
#endif
386
static const JSFunctionSpec sMethods_specs[] = {
387
  JS_FNSPEC("persisted", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&persisted_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
388
  JS_FS_END,
389
  JS_FNSPEC("persist", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&persist_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
390
  JS_FS_END,
391
  JS_FNSPEC("estimate", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&estimate_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
392
  JS_FS_END
393
};
394
#if defined(__clang__)
395
#pragma clang diagnostic pop
396
#endif
397
398
// Can't be const because the pref-enabled boolean needs to be writable
399
static PrefableDisablers sMethods_disablers0 = {
400
  true, true, 0, nullptr
401
};
402
403
// Can't be const because the pref-enabled boolean needs to be writable
404
static PrefableDisablers sMethods_disablers2 = {
405
  true, true, GlobalNames::DedicatedWorkerGlobalScope | GlobalNames::ServiceWorkerGlobalScope | GlobalNames::SharedWorkerGlobalScope, nullptr
406
};
407
408
// Can't be const because the pref-enabled boolean needs to be writable
409
static PrefableDisablers sMethods_disablers4 = {
410
  true, true, 0, nullptr
411
};
412
413
static const Prefable<const JSFunctionSpec> sMethods[] = {
414
  { &sMethods_disablers0, &sMethods_specs[0] },
415
  { &sMethods_disablers2, &sMethods_specs[2] },
416
  { &sMethods_disablers4, &sMethods_specs[4] },
417
  { nullptr, nullptr }
418
};
419
420
static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
421
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
422
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
423
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
424
425
426
static uint16_t sNativeProperties_sortedPropertyIndices[3];
427
static PropertyInfo sNativeProperties_propertyInfos[3];
428
429
static const NativePropertiesN<1> sNativeProperties = {
430
  false, 0,
431
  false, 0,
432
  true,  0 /* sMethods */,
433
  false, 0,
434
  false, 0,
435
  false, 0,
436
  false, 0,
437
  -1,
438
  3,
439
  sNativeProperties_sortedPropertyIndices,
440
  {
441
    { sMethods, &sNativeProperties_propertyInfos[0] }
442
  }
443
};
444
static_assert(3 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
445
    "We have a property info count that is oversized");
446
447
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
448
  {
449
    "Function",
450
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
451
    &sBoringInterfaceObjectClassClassOps,
452
    JS_NULL_CLASS_SPEC,
453
    JS_NULL_CLASS_EXT,
454
    &sInterfaceObjectClassObjectOps
455
  },
456
  eInterface,
457
  true,
458
  prototypes::id::StorageManager,
459
  PrototypeTraits<prototypes::id::StorageManager>::Depth,
460
  sNativePropertyHooks,
461
  "function StorageManager() {\n    [native code]\n}",
462
  JS::GetRealmFunctionPrototype
463
};
464
465
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
466
  {
467
    "StorageManagerPrototype",
468
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
469
    JS_NULL_CLASS_OPS,
470
    JS_NULL_CLASS_SPEC,
471
    JS_NULL_CLASS_EXT,
472
    JS_NULL_OBJECT_OPS
473
  },
474
  eInterfacePrototype,
475
  false,
476
  prototypes::id::StorageManager,
477
  PrototypeTraits<prototypes::id::StorageManager>::Depth,
478
  sNativePropertyHooks,
479
  "[object StorageManagerPrototype]",
480
  JS::GetRealmObjectPrototype
481
};
482
483
bool
484
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
485
0
{
486
0
  return mozilla::dom::DOMPrefs::dom_storageManager_enabled(aCx, aObj) &&
487
0
         mozilla::dom::IsSecureContextOrObjectIsFromSecureContext(aCx, aObj);
488
0
}
489
490
static const js::ClassOps sClassOps = {
491
  _addProperty, /* addProperty */
492
  nullptr,               /* delProperty */
493
  nullptr,               /* enumerate */
494
  nullptr, /* newEnumerate */
495
  nullptr, /* resolve */
496
  nullptr, /* mayResolve */
497
  _finalize, /* finalize */
498
  nullptr, /* call */
499
  nullptr,               /* hasInstance */
500
  nullptr,               /* construct */
501
  nullptr, /* trace */
502
};
503
504
static const js::ClassExtension sClassExtension = {
505
  nullptr, /* weakmapKeyDelegateOp */
506
  _objectMoved /* objectMovedOp */
507
};
508
509
static const DOMJSClass sClass = {
510
  { "StorageManager",
511
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
512
    &sClassOps,
513
    JS_NULL_CLASS_SPEC,
514
    &sClassExtension,
515
    JS_NULL_OBJECT_OPS
516
  },
517
  { prototypes::id::StorageManager, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
518
  IsBaseOf<nsISupports, mozilla::dom::StorageManager >::value,
519
  sNativePropertyHooks,
520
  FindAssociatedGlobalForNative<mozilla::dom::StorageManager>::Get,
521
  GetProtoObjectHandle,
522
  GetCCParticipant<mozilla::dom::StorageManager>::Get()
523
};
524
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
525
              "Must have the right minimal number of reserved slots.");
526
static_assert(1 >= 1,
527
              "Must have enough reserved slots.");
528
529
const JSClass*
530
GetJSClass()
531
0
{
532
0
  return sClass.ToJSClass();
533
0
}
534
535
bool
536
Wrap(JSContext* aCx, mozilla::dom::StorageManager* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
537
0
{
538
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::StorageManager>::value,
539
0
                "Shouldn't have wrappercached things that are not refcounted.");
540
0
  MOZ_ASSERT(static_cast<mozilla::dom::StorageManager*>(aObject) ==
541
0
             reinterpret_cast<mozilla::dom::StorageManager*>(aObject),
542
0
             "Multiple inheritance for mozilla::dom::StorageManager is broken.");
543
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
544
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
545
0
  MOZ_ASSERT(!aCache->GetWrapper(),
546
0
             "You should probably not be using Wrap() directly; use "
547
0
             "GetOrCreateDOMReflector instead");
548
0
549
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
550
0
             "nsISupports must be on our primary inheritance chain");
551
0
552
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
553
0
  if (!global) {
554
0
    return false;
555
0
  }
556
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
557
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
558
0
559
0
  // That might have ended up wrapping us already, due to the wonders
560
0
  // of XBL.  Check for that, and bail out as needed.
561
0
  aReflector.set(aCache->GetWrapper());
562
0
  if (aReflector) {
563
#ifdef DEBUG
564
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
565
#endif // DEBUG
566
    return true;
567
0
  }
568
0
569
0
  JSAutoRealm ar(aCx, global);
570
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
571
0
  if (!canonicalProto) {
572
0
    return false;
573
0
  }
574
0
  JS::Rooted<JSObject*> proto(aCx);
575
0
  if (aGivenProto) {
576
0
    proto = aGivenProto;
577
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
578
0
    // coming in, we changed compartments to that of "parent" so may need
579
0
    // to wrap the proto here.
580
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
581
0
      if (!JS_WrapObject(aCx, &proto)) {
582
0
        return false;
583
0
      }
584
0
    }
585
0
  } else {
586
0
    proto = canonicalProto;
587
0
  }
588
0
589
0
  BindingJSObjectCreator<mozilla::dom::StorageManager> creator(aCx);
590
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
591
0
  if (!aReflector) {
592
0
    return false;
593
0
  }
594
0
595
0
  aCache->SetWrapper(aReflector);
596
0
  creator.InitializationSucceeded();
597
0
598
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
599
0
             aCache->GetWrapperPreserveColor() == aReflector);
600
0
  // If proto != canonicalProto, we have to preserve our wrapper;
601
0
  // otherwise we won't be able to properly recreate it later, since
602
0
  // we won't know what proto to use.  Note that we don't check
603
0
  // aGivenProto here, since it's entirely possible (and even
604
0
  // somewhat common) to have a non-null aGivenProto which is the
605
0
  // same as canonicalProto.
606
0
  if (proto != canonicalProto) {
607
0
    PreserveWrapper(aObject);
608
0
  }
609
0
610
0
  return true;
611
0
}
612
613
const NativePropertyHooks sNativePropertyHooks[] = { {
614
  nullptr,
615
  nullptr,
616
  nullptr,
617
  { sNativeProperties.Upcast(), nullptr },
618
  prototypes::id::StorageManager,
619
  constructors::id::StorageManager,
620
  nullptr,
621
  &DefaultXrayExpandoObjectClass
622
} };
623
624
void
625
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
626
0
{
627
0
  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
628
0
  if (!parentProto) {
629
0
    return;
630
0
  }
631
0
632
0
  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
633
0
  if (!constructorProto) {
634
0
    return;
635
0
  }
636
0
637
0
  static bool sIdsInited = false;
638
0
  if (!sIdsInited && NS_IsMainThread()) {
639
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
640
0
      return;
641
0
    }
642
0
    sIdsInited = true;
643
0
  }
644
0
645
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::StorageManager);
646
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::StorageManager);
647
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
648
0
                              &sPrototypeClass.mBase, protoCache,
649
0
                              nullptr,
650
0
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
651
0
                              interfaceCache,
652
0
                              sNativeProperties.Upcast(),
653
0
                              nullptr,
654
0
                              "StorageManager", aDefineOnGlobal,
655
0
                              nullptr,
656
0
                              false);
657
0
}
658
659
JSObject*
660
GetConstructorObject(JSContext* aCx)
661
0
{
662
0
  return GetConstructorObjectHandle(aCx);
663
0
}
664
665
} // namespace StorageManager_Binding
666
667
668
669
} // namespace dom
670
} // namespace mozilla