LCOV - code coverage report
Current view: top level - obj-x86_64-pc-linux-gnu/dom/bindings - ProgressEventBinding.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 60 282 21.3 %
Date: 2017-07-14 16:53:18 Functions: 6 23 26.1 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* THIS FILE IS AUTOGENERATED FROM ProgressEvent.webidl BY Codegen.py - DO NOT EDIT */
       2             : 
       3             : #include "AtomList.h"
       4             : #include "EventBinding.h"
       5             : #include "ProgressEventBinding.h"
       6             : #include "WrapperFactory.h"
       7             : #include "mozilla/OwningNonNull.h"
       8             : #include "mozilla/dom/BindingUtils.h"
       9             : #include "mozilla/dom/DOMJSClass.h"
      10             : #include "mozilla/dom/NonRefcountedDOMObject.h"
      11             : #include "mozilla/dom/PrimitiveConversions.h"
      12             : #include "mozilla/dom/ProgressEvent.h"
      13             : #include "mozilla/dom/ScriptSettings.h"
      14             : #include "mozilla/dom/SimpleGlobalObject.h"
      15             : #include "mozilla/dom/XrayExpandoClass.h"
      16             : 
      17             : namespace mozilla {
      18             : namespace dom {
      19             : 
      20             : 
      21          16 : ProgressEventInit::ProgressEventInit()
      22          16 :   : EventInit(FastDictionaryInitializer())
      23             : {
      24             :   // Safe to pass a null context if we pass a null value
      25          16 :   Init(nullptr, JS::NullHandleValue);
      26          16 : }
      27             : 
      28             : 
      29             : 
      30             : bool
      31           0 : ProgressEventInit::InitIds(JSContext* cx, ProgressEventInitAtoms* atomsCache)
      32             : {
      33           0 :   MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
      34             : 
      35             :   // Initialize these in reverse order so that any failure leaves the first one
      36             :   // uninitialized.
      37           0 :   if (!atomsCache->total_id.init(cx, "total") ||
      38           0 :       !atomsCache->loaded_id.init(cx, "loaded") ||
      39           0 :       !atomsCache->lengthComputable_id.init(cx, "lengthComputable")) {
      40           0 :     return false;
      41             :   }
      42           0 :   return true;
      43             : }
      44             : 
      45             : bool
      46          16 : ProgressEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
      47             : {
      48             :   // Passing a null JSContext is OK only if we're initing from null,
      49             :   // Since in that case we will not have to do any property gets
      50             :   // Also evaluate isNullOrUndefined in order to avoid false-positive
      51             :   // checkers by static analysis tools
      52          16 :   MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
      53          16 :   ProgressEventInitAtoms* atomsCache = nullptr;
      54          16 :   if (cx) {
      55           0 :     atomsCache = GetAtomCache<ProgressEventInitAtoms>(cx);
      56           0 :     if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      57           0 :       return false;
      58             :     }
      59             :   }
      60             : 
      61             :   // Per spec, we init the parent's members first
      62          16 :   if (!EventInit::Init(cx, val)) {
      63           0 :     return false;
      64             :   }
      65             : 
      66          16 :   bool isNull = val.isNullOrUndefined();
      67             :   // We only need these if !isNull, in which case we have |cx|.
      68          32 :   Maybe<JS::Rooted<JSObject *> > object;
      69          32 :   Maybe<JS::Rooted<JS::Value> > temp;
      70          16 :   if (!isNull) {
      71           0 :     MOZ_ASSERT(cx);
      72           0 :     object.emplace(cx, &val.toObject());
      73           0 :     temp.emplace(cx);
      74             :   }
      75          16 :   if (!isNull) {
      76           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->lengthComputable_id, temp.ptr())) {
      77           0 :       return false;
      78             :     }
      79             :   }
      80          16 :   if (!isNull && !temp->isUndefined()) {
      81           0 :     if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mLengthComputable)) {
      82           0 :       return false;
      83             :     }
      84             :   } else {
      85          16 :     mLengthComputable = false;
      86             :   }
      87          16 :   mIsAnyMemberPresent = true;
      88             : 
      89          16 :   if (!isNull) {
      90           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->loaded_id, temp.ptr())) {
      91           0 :       return false;
      92             :     }
      93             :   }
      94          16 :   if (!isNull && !temp->isUndefined()) {
      95           0 :     if (!ValueToPrimitive<uint64_t, eDefault>(cx, temp.ref(), &mLoaded)) {
      96           0 :       return false;
      97             :     }
      98             :   } else {
      99          16 :     mLoaded = 0ULL;
     100             :   }
     101          16 :   mIsAnyMemberPresent = true;
     102             : 
     103          16 :   if (!isNull) {
     104           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->total_id, temp.ptr())) {
     105           0 :       return false;
     106             :     }
     107             :   }
     108          16 :   if (!isNull && !temp->isUndefined()) {
     109           0 :     if (!ValueToPrimitive<uint64_t, eDefault>(cx, temp.ref(), &mTotal)) {
     110           0 :       return false;
     111             :     }
     112             :   } else {
     113          16 :     mTotal = 0ULL;
     114             :   }
     115          16 :   mIsAnyMemberPresent = true;
     116          16 :   return true;
     117             : }
     118             : 
     119             : bool
     120           0 : ProgressEventInit::Init(const nsAString& aJSON)
     121             : {
     122           0 :   AutoJSAPI jsapi;
     123           0 :   JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
     124           0 :   if (!cleanGlobal) {
     125           0 :     return false;
     126             :   }
     127           0 :   if (!jsapi.Init(cleanGlobal)) {
     128           0 :     return false;
     129             :   }
     130           0 :   JSContext* cx = jsapi.cx();
     131           0 :   JS::Rooted<JS::Value> json(cx);
     132           0 :   bool ok = ParseJSON(cx, aJSON, &json);
     133           0 :   NS_ENSURE_TRUE(ok, false);
     134           0 :   return Init(cx, json);
     135             : }
     136             : 
     137             : bool
     138           0 : ProgressEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
     139             : {
     140           0 :   ProgressEventInitAtoms* atomsCache = GetAtomCache<ProgressEventInitAtoms>(cx);
     141           0 :   if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
     142           0 :     return false;
     143             :   }
     144             : 
     145             :   // Per spec, we define the parent's members first
     146           0 :   if (!EventInit::ToObjectInternal(cx, rval)) {
     147           0 :     return false;
     148             :   }
     149           0 :   JS::Rooted<JSObject*> obj(cx, &rval.toObject());
     150             : 
     151             :   do {
     152             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     153           0 :     JS::Rooted<JS::Value> temp(cx);
     154           0 :     bool const & currentValue = mLengthComputable;
     155           0 :     temp.setBoolean(currentValue);
     156           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->lengthComputable_id, temp, JSPROP_ENUMERATE)) {
     157           0 :       return false;
     158             :     }
     159           0 :     break;
     160             :   } while(0);
     161             : 
     162             :   do {
     163             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     164           0 :     JS::Rooted<JS::Value> temp(cx);
     165           0 :     uint64_t const & currentValue = mLoaded;
     166           0 :     temp.set(JS_NumberValue(double(currentValue)));
     167           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->loaded_id, temp, JSPROP_ENUMERATE)) {
     168           0 :       return false;
     169             :     }
     170           0 :     break;
     171             :   } while(0);
     172             : 
     173             :   do {
     174             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     175           0 :     JS::Rooted<JS::Value> temp(cx);
     176           0 :     uint64_t const & currentValue = mTotal;
     177           0 :     temp.set(JS_NumberValue(double(currentValue)));
     178           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->total_id, temp, JSPROP_ENUMERATE)) {
     179           0 :       return false;
     180             :     }
     181           0 :     break;
     182             :   } while(0);
     183             : 
     184           0 :   return true;
     185             : }
     186             : 
     187             : bool
     188           0 : ProgressEventInit::ToJSON(nsAString& aJSON) const
     189             : {
     190           0 :   AutoJSAPI jsapi;
     191           0 :   jsapi.Init();
     192           0 :   JSContext *cx = jsapi.cx();
     193             :   // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
     194             :   // because we'll only be creating objects, in ways that have no
     195             :   // side-effects, followed by a call to JS::ToJSONMaybeSafely,
     196             :   // which likewise guarantees no side-effects for the sorts of
     197             :   // things we will pass it.
     198           0 :   JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
     199           0 :   JS::Rooted<JS::Value> val(cx);
     200           0 :   if (!ToObjectInternal(cx, &val)) {
     201           0 :     return false;
     202             :   }
     203           0 :   JS::Rooted<JSObject*> obj(cx, &val.toObject());
     204           0 :   return StringifyToJSON(cx, obj, aJSON);
     205             : }
     206             : 
     207             : void
     208           0 : ProgressEventInit::TraceDictionary(JSTracer* trc)
     209             : {
     210           0 :   EventInit::TraceDictionary(trc);
     211           0 : }
     212             : 
     213             : ProgressEventInit&
     214           0 : ProgressEventInit::operator=(const ProgressEventInit& aOther)
     215             : {
     216           0 :   EventInit::operator=(aOther);
     217           0 :   mLengthComputable = aOther.mLengthComputable;
     218           0 :   mLoaded = aOther.mLoaded;
     219           0 :   mTotal = aOther.mTotal;
     220           0 :   return *this;
     221             : }
     222             : 
     223             : namespace binding_detail {
     224             : } // namespace binding_detail
     225             : 
     226             : 
     227             : namespace ProgressEventBinding {
     228             : 
     229             : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventBinding::NativeType>::value,
     230             :               "Can't inherit from an interface with a different ownership model.");
     231             : 
     232             : static bool
     233           0 : get_lengthComputable(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ProgressEvent* self, JSJitGetterCallArgs args)
     234             : {
     235           0 :   bool result(self->LengthComputable());
     236           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     237           0 :   args.rval().setBoolean(result);
     238           0 :   return true;
     239             : }
     240             : 
     241             : static const JSJitInfo lengthComputable_getterinfo = {
     242             :   { (JSJitGetterOp)get_lengthComputable },
     243             :   { prototypes::id::ProgressEvent },
     244             :   { PrototypeTraits<prototypes::id::ProgressEvent>::Depth },
     245             :   JSJitInfo::Getter,
     246             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     247             :   JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
     248             :   true,  /* isInfallible. False in setters. */
     249             :   false,  /* isMovable.  Not relevant for setters. */
     250             :   false, /* isEliminatable.  Not relevant for setters. */
     251             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     252             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     253             :   false,  /* isTypedMethod.  Only relevant for methods. */
     254             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     255             : };
     256             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     257             : static_assert(0 < 1, "There is no slot for us");
     258             : 
     259             : static bool
     260           0 : get_loaded(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ProgressEvent* self, JSJitGetterCallArgs args)
     261             : {
     262           0 :   uint64_t result(self->Loaded());
     263           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     264           0 :   args.rval().set(JS_NumberValue(double(result)));
     265           0 :   return true;
     266             : }
     267             : 
     268             : static const JSJitInfo loaded_getterinfo = {
     269             :   { (JSJitGetterOp)get_loaded },
     270             :   { prototypes::id::ProgressEvent },
     271             :   { PrototypeTraits<prototypes::id::ProgressEvent>::Depth },
     272             :   JSJitInfo::Getter,
     273             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     274             :   JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
     275             :   true,  /* isInfallible. False in setters. */
     276             :   false,  /* isMovable.  Not relevant for setters. */
     277             :   false, /* isEliminatable.  Not relevant for setters. */
     278             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     279             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     280             :   false,  /* isTypedMethod.  Only relevant for methods. */
     281             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     282             : };
     283             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     284             : static_assert(0 < 1, "There is no slot for us");
     285             : 
     286             : static bool
     287           0 : get_total(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ProgressEvent* self, JSJitGetterCallArgs args)
     288             : {
     289           0 :   uint64_t result(self->Total());
     290           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     291           0 :   args.rval().set(JS_NumberValue(double(result)));
     292           0 :   return true;
     293             : }
     294             : 
     295             : static const JSJitInfo total_getterinfo = {
     296             :   { (JSJitGetterOp)get_total },
     297             :   { prototypes::id::ProgressEvent },
     298             :   { PrototypeTraits<prototypes::id::ProgressEvent>::Depth },
     299             :   JSJitInfo::Getter,
     300             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     301             :   JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
     302             :   true,  /* isInfallible. False in setters. */
     303             :   false,  /* isMovable.  Not relevant for setters. */
     304             :   false, /* isEliminatable.  Not relevant for setters. */
     305             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     306             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     307             :   false,  /* isTypedMethod.  Only relevant for methods. */
     308             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     309             : };
     310             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     311             : static_assert(0 < 1, "There is no slot for us");
     312             : 
     313             : static bool
     314           0 : get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ProgressEvent* self, JSJitGetterCallArgs args)
     315             : {
     316           0 :   bool result(self->IsTrusted());
     317           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     318           0 :   args.rval().setBoolean(result);
     319           0 :   return true;
     320             : }
     321             : 
     322             : static const JSJitInfo isTrusted_getterinfo = {
     323             :   { (JSJitGetterOp)get_isTrusted },
     324             :   { prototypes::id::ProgressEvent },
     325             :   { PrototypeTraits<prototypes::id::ProgressEvent>::Depth },
     326             :   JSJitInfo::Getter,
     327             :   JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
     328             :   JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
     329             :   true,  /* isInfallible. False in setters. */
     330             :   true,  /* isMovable.  Not relevant for setters. */
     331             :   true, /* isEliminatable.  Not relevant for setters. */
     332             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     333             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     334             :   false,  /* isTypedMethod.  Only relevant for methods. */
     335             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     336             : };
     337             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     338             : static_assert(0 < 1, "There is no slot for us");
     339             : 
     340             : static bool
     341           1 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
     342             : {
     343           1 :   mozilla::dom::ProgressEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ProgressEvent>(obj);
     344             :   // We don't want to preserve if we don't have a wrapper, and we
     345             :   // obviously can't preserve if we're not initialized.
     346           1 :   if (self && self->GetWrapperPreserveColor()) {
     347           0 :     PreserveWrapper(self);
     348             :   }
     349           1 :   return true;
     350             : }
     351             : 
     352             : static void
     353           0 : _finalize(js::FreeOp* fop, JSObject* obj)
     354             : {
     355           0 :   mozilla::dom::ProgressEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ProgressEvent>(obj);
     356           0 :   if (self) {
     357           0 :     ClearWrapper(self, self, obj);
     358           0 :     AddForDeferredFinalization<mozilla::dom::ProgressEvent>(self);
     359             :   }
     360           0 : }
     361             : 
     362             : static void
     363           0 : _objectMoved(JSObject* obj, const JSObject* old)
     364             : {
     365           0 :   mozilla::dom::ProgressEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ProgressEvent>(obj);
     366           0 :   if (self) {
     367           0 :     UpdateWrapper(self, self, obj, old);
     368             :   }
     369           0 : }
     370             : 
     371             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     372             : #if defined(__clang__)
     373             : #pragma clang diagnostic push
     374             : #pragma clang diagnostic ignored "-Wmissing-braces"
     375             : #endif
     376             : static const JSPropertySpec sAttributes_specs[] = {
     377             :   { "lengthComputable", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &lengthComputable_getterinfo, nullptr, nullptr },
     378             :   { "loaded", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &loaded_getterinfo, nullptr, nullptr },
     379             :   { "total", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &total_getterinfo, nullptr, nullptr },
     380             :   { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
     381             : };
     382             : #if defined(__clang__)
     383             : #pragma clang diagnostic pop
     384             : #endif
     385             : 
     386             : 
     387             : // Can't be const because the pref-enabled boolean needs to be writable
     388             : static Prefable<const JSPropertySpec> sAttributes[] = {
     389             :   { nullptr, &sAttributes_specs[0] },
     390             :   { nullptr, nullptr }
     391             : };
     392             : 
     393             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     394             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     395             : static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     396             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     397             : 
     398             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     399             : #if defined(__clang__)
     400             : #pragma clang diagnostic push
     401             : #pragma clang diagnostic ignored "-Wmissing-braces"
     402             : #endif
     403             : static const JSPropertySpec sUnforgeableAttributes_specs[] = {
     404             :   { "isTrusted", JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericBindingGetter, &isTrusted_getterinfo, nullptr, nullptr },
     405             :   { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
     406             : };
     407             : #if defined(__clang__)
     408             : #pragma clang diagnostic pop
     409             : #endif
     410             : 
     411             : 
     412             : // Can't be const because the pref-enabled boolean needs to be writable
     413             : static Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
     414             :   { nullptr, &sUnforgeableAttributes_specs[0] },
     415             :   { nullptr, nullptr }
     416             : };
     417             : 
     418             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     419             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     420             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     421             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     422             : 
     423             : 
     424             : static uint16_t sNativeProperties_sortedPropertyIndices[4];
     425             : static PropertyInfo sNativeProperties_propertyInfos[4];
     426             : 
     427             : static const NativePropertiesN<2> sNativeProperties = {
     428             :   false, 0,
     429             :   false, 0,
     430             :   false, 0,
     431             :   true,  0 /* sAttributes */,
     432             :   false, 0,
     433             :   true,  1 /* sUnforgeableAttributes */,
     434             :   false, 0,
     435             :   -1,
     436             :   4,
     437             :   sNativeProperties_sortedPropertyIndices,
     438             :   {
     439             :     { sAttributes, &sNativeProperties_propertyInfos[0] },
     440             :     { sUnforgeableAttributes, &sNativeProperties_propertyInfos[3] }
     441             :   }
     442             : };
     443             : static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
     444             :     "We have a property info count that is oversized");
     445             : 
     446             : static bool
     447           0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
     448             : {
     449           0 :   JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
     450           0 :   JS::Rooted<JSObject*> obj(cx, &args.callee());
     451           0 :   if (!args.isConstructing()) {
     452             :     // XXXbz wish I could get the name from the callee instead of
     453             :     // Adding more relocations
     454           0 :     return ThrowConstructorWithoutNew(cx, "ProgressEvent");
     455             :   }
     456             : 
     457           0 :   GlobalObject global(cx, obj);
     458           0 :   if (global.Failed()) {
     459           0 :     return false;
     460             :   }
     461             : 
     462           0 :   JS::Rooted<JSObject*> desiredProto(cx);
     463           0 :   if (!GetDesiredProto(cx, args, &desiredProto)) {
     464           0 :     return false;
     465             :   }
     466             : 
     467           0 :   if (MOZ_UNLIKELY(args.length() < 1)) {
     468           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ProgressEvent");
     469             :   }
     470           0 :   bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
     471           0 :   binding_detail::FakeString arg0;
     472           0 :   if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
     473           0 :     return false;
     474             :   }
     475           0 :   binding_detail::FastProgressEventInit arg1;
     476           0 :   if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of ProgressEvent.constructor", false)) {
     477           0 :     return false;
     478             :   }
     479           0 :   Maybe<JSAutoCompartment> ac;
     480           0 :   if (objIsXray) {
     481           0 :     obj = js::CheckedUnwrap(obj);
     482           0 :     if (!obj) {
     483           0 :       return false;
     484             :     }
     485           0 :     ac.emplace(cx, obj);
     486           0 :     if (!JS_WrapObject(cx, &desiredProto)) {
     487           0 :       return false;
     488             :     }
     489             :   }
     490           0 :   binding_detail::FastErrorResult rv;
     491           0 :   auto result(StrongOrRawPtr<mozilla::dom::ProgressEvent>(mozilla::dom::ProgressEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
     492           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     493           0 :     return false;
     494             :   }
     495           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     496             :   static_assert(!IsPointer<decltype(result)>::value,
     497             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     498           0 :   if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
     499           0 :     MOZ_ASSERT(true || JS_IsExceptionPending(cx));
     500           0 :     return false;
     501             :   }
     502           0 :   return true;
     503             : }
     504             : 
     505             : static const js::ClassOps sInterfaceObjectClassOps = {
     506             :     nullptr,               /* addProperty */
     507             :     nullptr,               /* delProperty */
     508             :     nullptr,               /* getProperty */
     509             :     nullptr,               /* setProperty */
     510             :     nullptr,               /* enumerate */
     511             :     nullptr,               /* newEnumerate */
     512             :     nullptr,               /* resolve */
     513             :     nullptr,               /* mayResolve */
     514             :     nullptr,               /* finalize */
     515             :     _constructor, /* call */
     516             :     nullptr,               /* hasInstance */
     517             :     _constructor, /* construct */
     518             :     nullptr,               /* trace */
     519             : };
     520             : 
     521             : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
     522             :   {
     523             :     "Function",
     524             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
     525             :     &sInterfaceObjectClassOps,
     526             :     JS_NULL_CLASS_SPEC,
     527             :     JS_NULL_CLASS_EXT,
     528             :     &sInterfaceObjectClassObjectOps
     529             :   },
     530             :   eInterface,
     531             :   true,
     532             :   prototypes::id::ProgressEvent,
     533             :   PrototypeTraits<prototypes::id::ProgressEvent>::Depth,
     534             :   sNativePropertyHooks,
     535             :   "function ProgressEvent() {\n    [native code]\n}",
     536             :   EventBinding::GetConstructorObject
     537             : };
     538             : 
     539             : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
     540             :   {
     541             :     "ProgressEventPrototype",
     542             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
     543             :     JS_NULL_CLASS_OPS,
     544             :     JS_NULL_CLASS_SPEC,
     545             :     JS_NULL_CLASS_EXT,
     546             :     JS_NULL_OBJECT_OPS
     547             :   },
     548             :   eInterfacePrototype,
     549             :   false,
     550             :   prototypes::id::ProgressEvent,
     551             :   PrototypeTraits<prototypes::id::ProgressEvent>::Depth,
     552             :   sNativePropertyHooks,
     553             :   "[object ProgressEventPrototype]",
     554             :   EventBinding::GetProtoObject
     555             : };
     556             : 
     557             : JSObject*
     558           0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
     559             : {
     560           0 :   return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
     561             : }
     562             : 
     563             : static const js::ClassOps sClassOps = {
     564             :   _addProperty, /* addProperty */
     565             :   nullptr,               /* delProperty */
     566             :   nullptr,               /* getProperty */
     567             :   nullptr,               /* setProperty */
     568             :   nullptr,               /* enumerate */
     569             :   nullptr, /* newEnumerate */
     570             :   nullptr, /* resolve */
     571             :   nullptr, /* mayResolve */
     572             :   _finalize, /* finalize */
     573             :   nullptr, /* call */
     574             :   nullptr,               /* hasInstance */
     575             :   nullptr,               /* construct */
     576             :   nullptr, /* trace */
     577             : };
     578             : 
     579             : static const js::ClassExtension sClassExtension = {
     580             :   nullptr, /* weakmapKeyDelegateOp */
     581             :   _objectMoved /* objectMovedOp */
     582             : };
     583             : 
     584             : static const DOMJSClass sClass = {
     585             :   { "ProgressEvent",
     586             :     JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
     587             :     &sClassOps,
     588             :     JS_NULL_CLASS_SPEC,
     589             :     &sClassExtension,
     590             :     JS_NULL_OBJECT_OPS
     591             :   },
     592             :   { prototypes::id::Event, prototypes::id::ProgressEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
     593             :   IsBaseOf<nsISupports, mozilla::dom::ProgressEvent >::value,
     594             :   sNativePropertyHooks,
     595             :   FindAssociatedGlobalForNative<mozilla::dom::ProgressEvent>::Get,
     596             :   GetProtoObjectHandle,
     597             :   GetCCParticipant<mozilla::dom::ProgressEvent>::Get()
     598             : };
     599             : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
     600             :               "Must have the right minimal number of reserved slots.");
     601             : static_assert(1 >= 1,
     602             :               "Must have enough reserved slots.");
     603             : 
     604             : const JSClass*
     605           0 : GetJSClass()
     606             : {
     607           0 :   return sClass.ToJSClass();
     608             : }
     609             : 
     610             : bool
     611           0 : Wrap(JSContext* aCx, mozilla::dom::ProgressEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
     612             : {
     613             :   MOZ_ASSERT(static_cast<mozilla::dom::ProgressEvent*>(aObject) ==
     614             :              reinterpret_cast<mozilla::dom::ProgressEvent*>(aObject),
     615             :              "Multiple inheritance for mozilla::dom::ProgressEvent is broken.");
     616             :   MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
     617             :              reinterpret_cast<mozilla::dom::Event*>(aObject),
     618             :              "Multiple inheritance for mozilla::dom::Event is broken.");
     619           0 :   MOZ_ASSERT(ToSupportsIsCorrect(aObject));
     620           0 :   MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
     621           0 :   MOZ_ASSERT(!aCache->GetWrapper(),
     622             :              "You should probably not be using Wrap() directly; use "
     623             :              "GetOrCreateDOMReflector instead");
     624             : 
     625           0 :   MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
     626             :              "nsISupports must be on our primary inheritance chain");
     627             : 
     628           0 :   JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
     629           0 :   if (!global) {
     630           0 :     return false;
     631             :   }
     632           0 :   MOZ_ASSERT(JS_IsGlobalObject(global));
     633           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(global));
     634             : 
     635             :   // That might have ended up wrapping us already, due to the wonders
     636             :   // of XBL.  Check for that, and bail out as needed.
     637           0 :   aReflector.set(aCache->GetWrapper());
     638           0 :   if (aReflector) {
     639             : #ifdef DEBUG
     640           0 :     binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
     641             : #endif // DEBUG
     642           0 :     return true;
     643             :   }
     644             : 
     645           0 :   JSAutoCompartment ac(aCx, global);
     646           0 :   JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
     647           0 :   if (!canonicalProto) {
     648           0 :     return false;
     649             :   }
     650           0 :   JS::Rooted<JSObject*> proto(aCx);
     651           0 :   if (aGivenProto) {
     652           0 :     proto = aGivenProto;
     653             :     // Unfortunately, while aGivenProto was in the compartment of aCx
     654             :     // coming in, we changed compartments to that of "parent" so may need
     655             :     // to wrap the proto here.
     656           0 :     if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
     657           0 :       if (!JS_WrapObject(aCx, &proto)) {
     658           0 :         return false;
     659             :       }
     660             :     }
     661             :   } else {
     662           0 :     proto = canonicalProto;
     663             :   }
     664             : 
     665           0 :   BindingJSObjectCreator<mozilla::dom::ProgressEvent> creator(aCx);
     666           0 :   creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
     667           0 :   if (!aReflector) {
     668           0 :     return false;
     669             :   }
     670             : 
     671           0 :   aCache->SetWrapper(aReflector);
     672             : 
     673             :   // Important: do unforgeable property setup after we have handed
     674             :   // over ownership of the C++ object to obj as needed, so that if
     675             :   // we fail and it ends up GCed it won't have problems in the
     676             :   // finalizer trying to drop its ownership of the C++ object.
     677             :   JS::Rooted<JSObject*> unforgeableHolder(aCx,
     678           0 :     &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
     679           0 :   if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
     680           0 :     aCache->ReleaseWrapper(aObject);
     681           0 :     aCache->ClearWrapper();
     682           0 :     return false;
     683             :   }
     684           0 :   creator.InitializationSucceeded();
     685             : 
     686           0 :   MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
     687             :              aCache->GetWrapperPreserveColor() == aReflector);
     688             :   // If proto != canonicalProto, we have to preserve our wrapper;
     689             :   // otherwise we won't be able to properly recreate it later, since
     690             :   // we won't know what proto to use.  Note that we don't check
     691             :   // aGivenProto here, since it's entirely possible (and even
     692             :   // somewhat common) to have a non-null aGivenProto which is the
     693             :   // same as canonicalProto.
     694           0 :   if (proto != canonicalProto) {
     695           0 :     PreserveWrapper(aObject);
     696             :   }
     697             : 
     698           0 :   return true;
     699             : }
     700             : 
     701             : const NativePropertyHooks sNativePropertyHooks[] = { {
     702             :   nullptr,
     703             :   nullptr,
     704             :   nullptr,
     705             :   { sNativeProperties.Upcast(), nullptr },
     706             :   prototypes::id::ProgressEvent,
     707             :   constructors::id::ProgressEvent,
     708             :   EventBinding::sNativePropertyHooks,
     709             :   &DefaultXrayExpandoObjectClass
     710             : } };
     711             : 
     712             : void
     713           1 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
     714             : {
     715           1 :   JS::Handle<JSObject*> parentProto(EventBinding::GetProtoObjectHandle(aCx));
     716           1 :   if (!parentProto) {
     717           0 :     return;
     718             :   }
     719             : 
     720           1 :   JS::Handle<JSObject*> constructorProto(EventBinding::GetConstructorObjectHandle(aCx));
     721           1 :   if (!constructorProto) {
     722           0 :     return;
     723             :   }
     724             : 
     725             :   static bool sIdsInited = false;
     726           1 :   if (!sIdsInited && NS_IsMainThread()) {
     727           0 :     if (!InitIds(aCx, sNativeProperties.Upcast())) {
     728           0 :       return;
     729             :     }
     730           0 :     sIdsInited = true;
     731             :   }
     732             : 
     733           1 :   JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ProgressEvent);
     734           1 :   JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ProgressEvent);
     735           1 :   dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
     736             :                               &sPrototypeClass.mBase, protoCache,
     737             :                               constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
     738             :                               interfaceCache,
     739             :                               sNativeProperties.Upcast(),
     740             :                               nullptr,
     741             :                               "ProgressEvent", aDefineOnGlobal,
     742             :                               nullptr,
     743           1 :                               false);
     744             : 
     745           2 :   JS::Rooted<JSObject*> unforgeableHolder(aCx);
     746             :   {
     747           2 :     JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
     748           1 :     unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
     749           1 :     if (!unforgeableHolder) {
     750           0 :       *protoCache = nullptr;
     751           0 :       if (interfaceCache) {
     752           0 :         *interfaceCache = nullptr;
     753             :       }
     754           0 :       return;
     755             :     }
     756             :   }
     757             : 
     758           1 :   if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
     759           0 :     *protoCache = nullptr;
     760           0 :     if (interfaceCache) {
     761           0 :       *interfaceCache = nullptr;
     762             :     }
     763           0 :     return;
     764             :   }
     765             : 
     766           1 :   if (*protoCache) {
     767           1 :     js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
     768           2 :                         JS::ObjectValue(*unforgeableHolder));
     769             :   }
     770             : }
     771             : 
     772             : JS::Handle<JSObject*>
     773           0 : GetProtoObjectHandle(JSContext* aCx)
     774             : {
     775             :   /* Get the interface prototype object for this class.  This will create the
     776             :      object as needed. */
     777           0 :   bool aDefineOnGlobal = true;
     778             : 
     779             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
     780           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
     781           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
     782           0 :     return nullptr;
     783             :   }
     784             : 
     785             :   /* Check to see whether the interface objects are already installed */
     786           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
     787           0 :   if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::ProgressEvent)) {
     788           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
     789           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
     790             :   }
     791             : 
     792             :   /*
     793             :    * The object might _still_ be null, but that's OK.
     794             :    *
     795             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
     796             :    * traced by TraceProtoAndIfaceCache() and its contents are never
     797             :    * changed after they have been set.
     798             :    *
     799             :    * Calling address() avoids the read read barrier that does gray
     800             :    * unmarking, but it's not possible for the object to be gray here.
     801             :    */
     802             : 
     803           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::ProgressEvent);
     804           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
     805           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
     806             : }
     807             : 
     808             : JS::Handle<JSObject*>
     809           1 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
     810             : {
     811             :   /* Get the interface object for this class.  This will create the object as
     812             :      needed. */
     813             : 
     814             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
     815           1 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
     816           1 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
     817           0 :     return nullptr;
     818             :   }
     819             : 
     820             :   /* Check to see whether the interface objects are already installed */
     821           1 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
     822           1 :   if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::ProgressEvent)) {
     823           2 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
     824           1 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
     825             :   }
     826             : 
     827             :   /*
     828             :    * The object might _still_ be null, but that's OK.
     829             :    *
     830             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
     831             :    * traced by TraceProtoAndIfaceCache() and its contents are never
     832             :    * changed after they have been set.
     833             :    *
     834             :    * Calling address() avoids the read read barrier that does gray
     835             :    * unmarking, but it's not possible for the object to be gray here.
     836             :    */
     837             : 
     838           1 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::ProgressEvent);
     839           1 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
     840           1 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
     841             : }
     842             : 
     843             : JSObject*
     844           1 : GetConstructorObject(JSContext* aCx)
     845             : {
     846           1 :   return GetConstructorObjectHandle(aCx);
     847             : }
     848             : 
     849             : } // namespace ProgressEventBinding
     850             : 
     851             : 
     852             : 
     853             : } // namespace dom
     854             : } // namespace mozilla

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