LCOV - code coverage report
Current view: top level - obj-x86_64-pc-linux-gnu/dom/bindings - WebGLContextEventBinding.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 2 245 0.8 %
Date: 2017-07-14 16:53:18 Functions: 1 22 4.5 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* THIS FILE IS AUTOGENERATED FROM WebGLContextEvent.webidl BY Codegen.py - DO NOT EDIT */
       2             : 
       3             : #include "AtomList.h"
       4             : #include "EventBinding.h"
       5             : #include "WebGLContextEventBinding.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/OffscreenCanvas.h"
      12             : #include "mozilla/dom/PrimitiveConversions.h"
      13             : #include "mozilla/dom/ScriptSettings.h"
      14             : #include "mozilla/dom/SimpleGlobalObject.h"
      15             : #include "mozilla/dom/WebGLContextEvent.h"
      16             : #include "mozilla/dom/XrayExpandoClass.h"
      17             : 
      18             : namespace mozilla {
      19             : namespace dom {
      20             : 
      21             : 
      22           0 : WebGLContextEventInit::WebGLContextEventInit()
      23           0 :   : EventInit(FastDictionaryInitializer())
      24             : {
      25             :   // Safe to pass a null context if we pass a null value
      26           0 :   Init(nullptr, JS::NullHandleValue);
      27           0 : }
      28             : 
      29             : 
      30             : 
      31             : bool
      32           0 : WebGLContextEventInit::InitIds(JSContext* cx, WebGLContextEventInitAtoms* atomsCache)
      33             : {
      34           0 :   MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
      35             : 
      36             :   // Initialize these in reverse order so that any failure leaves the first one
      37             :   // uninitialized.
      38           0 :   if (!atomsCache->statusMessage_id.init(cx, "statusMessage")) {
      39           0 :     return false;
      40             :   }
      41           0 :   return true;
      42             : }
      43             : 
      44             : bool
      45           0 : WebGLContextEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
      46             : {
      47             :   // Passing a null JSContext is OK only if we're initing from null,
      48             :   // Since in that case we will not have to do any property gets
      49             :   // Also evaluate isNullOrUndefined in order to avoid false-positive
      50             :   // checkers by static analysis tools
      51           0 :   MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
      52           0 :   WebGLContextEventInitAtoms* atomsCache = nullptr;
      53           0 :   if (cx) {
      54           0 :     atomsCache = GetAtomCache<WebGLContextEventInitAtoms>(cx);
      55           0 :     if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      56           0 :       return false;
      57             :     }
      58             :   }
      59             : 
      60             :   // Per spec, we init the parent's members first
      61           0 :   if (!EventInit::Init(cx, val)) {
      62           0 :     return false;
      63             :   }
      64             : 
      65           0 :   bool isNull = val.isNullOrUndefined();
      66             :   // We only need these if !isNull, in which case we have |cx|.
      67           0 :   Maybe<JS::Rooted<JSObject *> > object;
      68           0 :   Maybe<JS::Rooted<JS::Value> > temp;
      69           0 :   if (!isNull) {
      70           0 :     MOZ_ASSERT(cx);
      71           0 :     object.emplace(cx, &val.toObject());
      72           0 :     temp.emplace(cx);
      73             :   }
      74           0 :   if (!isNull) {
      75           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->statusMessage_id, temp.ptr())) {
      76           0 :       return false;
      77             :     }
      78             :   }
      79           0 :   if (!isNull && !temp->isUndefined()) {
      80           0 :     if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mStatusMessage)) {
      81           0 :       return false;
      82             :     }
      83             :   } else {
      84             :     static const char16_t data[] = { 0 };
      85           0 :     mStatusMessage.Rebind(data, ArrayLength(data) - 1);
      86             :   }
      87           0 :   mIsAnyMemberPresent = true;
      88           0 :   return true;
      89             : }
      90             : 
      91             : bool
      92           0 : WebGLContextEventInit::Init(const nsAString& aJSON)
      93             : {
      94           0 :   AutoJSAPI jsapi;
      95           0 :   JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
      96           0 :   if (!cleanGlobal) {
      97           0 :     return false;
      98             :   }
      99           0 :   if (!jsapi.Init(cleanGlobal)) {
     100           0 :     return false;
     101             :   }
     102           0 :   JSContext* cx = jsapi.cx();
     103           0 :   JS::Rooted<JS::Value> json(cx);
     104           0 :   bool ok = ParseJSON(cx, aJSON, &json);
     105           0 :   NS_ENSURE_TRUE(ok, false);
     106           0 :   return Init(cx, json);
     107             : }
     108             : 
     109             : bool
     110           0 : WebGLContextEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
     111             : {
     112           0 :   WebGLContextEventInitAtoms* atomsCache = GetAtomCache<WebGLContextEventInitAtoms>(cx);
     113           0 :   if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
     114           0 :     return false;
     115             :   }
     116             : 
     117             :   // Per spec, we define the parent's members first
     118           0 :   if (!EventInit::ToObjectInternal(cx, rval)) {
     119           0 :     return false;
     120             :   }
     121           0 :   JS::Rooted<JSObject*> obj(cx, &rval.toObject());
     122             : 
     123             :   do {
     124             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     125           0 :     JS::Rooted<JS::Value> temp(cx);
     126           0 :     nsString const & currentValue = mStatusMessage;
     127           0 :     if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
     128           0 :       return false;
     129             :     }
     130           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->statusMessage_id, temp, JSPROP_ENUMERATE)) {
     131           0 :       return false;
     132             :     }
     133           0 :     break;
     134             :   } while(0);
     135             : 
     136           0 :   return true;
     137             : }
     138             : 
     139             : bool
     140           0 : WebGLContextEventInit::ToJSON(nsAString& aJSON) const
     141             : {
     142           0 :   AutoJSAPI jsapi;
     143           0 :   jsapi.Init();
     144           0 :   JSContext *cx = jsapi.cx();
     145             :   // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
     146             :   // because we'll only be creating objects, in ways that have no
     147             :   // side-effects, followed by a call to JS::ToJSONMaybeSafely,
     148             :   // which likewise guarantees no side-effects for the sorts of
     149             :   // things we will pass it.
     150           0 :   JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
     151           0 :   JS::Rooted<JS::Value> val(cx);
     152           0 :   if (!ToObjectInternal(cx, &val)) {
     153           0 :     return false;
     154             :   }
     155           0 :   JS::Rooted<JSObject*> obj(cx, &val.toObject());
     156           0 :   return StringifyToJSON(cx, obj, aJSON);
     157             : }
     158             : 
     159             : void
     160           0 : WebGLContextEventInit::TraceDictionary(JSTracer* trc)
     161             : {
     162           0 :   EventInit::TraceDictionary(trc);
     163           0 : }
     164             : 
     165             : WebGLContextEventInit&
     166           0 : WebGLContextEventInit::operator=(const WebGLContextEventInit& aOther)
     167             : {
     168           0 :   EventInit::operator=(aOther);
     169           0 :   mStatusMessage = aOther.mStatusMessage;
     170           0 :   return *this;
     171             : }
     172             : 
     173             : namespace binding_detail {
     174             : } // namespace binding_detail
     175             : 
     176             : 
     177             : namespace WebGLContextEventBinding {
     178             : 
     179             : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventBinding::NativeType>::value,
     180             :               "Can't inherit from an interface with a different ownership model.");
     181             : 
     182             : static bool
     183           0 : get_statusMessage(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::WebGLContextEvent* self, JSJitGetterCallArgs args)
     184             : {
     185           0 :   DOMString result;
     186           0 :   self->GetStatusMessage(result);
     187           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     188           0 :   if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
     189           0 :     return false;
     190             :   }
     191           0 :   return true;
     192             : }
     193             : 
     194             : static const JSJitInfo statusMessage_getterinfo = {
     195             :   { (JSJitGetterOp)get_statusMessage },
     196             :   { prototypes::id::WebGLContextEvent },
     197             :   { PrototypeTraits<prototypes::id::WebGLContextEvent>::Depth },
     198             :   JSJitInfo::Getter,
     199             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     200             :   JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
     201             :   false,  /* isInfallible. False in setters. */
     202             :   false,  /* isMovable.  Not relevant for setters. */
     203             :   false, /* isEliminatable.  Not relevant for setters. */
     204             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     205             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     206             :   false,  /* isTypedMethod.  Only relevant for methods. */
     207             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     208             : };
     209             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     210             : static_assert(0 < 1, "There is no slot for us");
     211             : 
     212             : static bool
     213           0 : get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::WebGLContextEvent* self, JSJitGetterCallArgs args)
     214             : {
     215           0 :   bool result(self->IsTrusted());
     216           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     217           0 :   args.rval().setBoolean(result);
     218           0 :   return true;
     219             : }
     220             : 
     221             : static const JSJitInfo isTrusted_getterinfo = {
     222             :   { (JSJitGetterOp)get_isTrusted },
     223             :   { prototypes::id::WebGLContextEvent },
     224             :   { PrototypeTraits<prototypes::id::WebGLContextEvent>::Depth },
     225             :   JSJitInfo::Getter,
     226             :   JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
     227             :   JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
     228             :   true,  /* isInfallible. False in setters. */
     229             :   true,  /* isMovable.  Not relevant for setters. */
     230             :   true, /* isEliminatable.  Not relevant for setters. */
     231             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     232             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     233             :   false,  /* isTypedMethod.  Only relevant for methods. */
     234             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     235             : };
     236             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     237             : static_assert(0 < 1, "There is no slot for us");
     238             : 
     239             : static bool
     240           0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
     241             : {
     242           0 :   mozilla::dom::WebGLContextEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::WebGLContextEvent>(obj);
     243             :   // We don't want to preserve if we don't have a wrapper, and we
     244             :   // obviously can't preserve if we're not initialized.
     245           0 :   if (self && self->GetWrapperPreserveColor()) {
     246           0 :     PreserveWrapper(self);
     247             :   }
     248           0 :   return true;
     249             : }
     250             : 
     251             : static void
     252           0 : _finalize(js::FreeOp* fop, JSObject* obj)
     253             : {
     254           0 :   mozilla::dom::WebGLContextEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::WebGLContextEvent>(obj);
     255           0 :   if (self) {
     256           0 :     ClearWrapper(self, self, obj);
     257           0 :     AddForDeferredFinalization<mozilla::dom::WebGLContextEvent>(self);
     258             :   }
     259           0 : }
     260             : 
     261             : static void
     262           0 : _objectMoved(JSObject* obj, const JSObject* old)
     263             : {
     264           0 :   mozilla::dom::WebGLContextEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::WebGLContextEvent>(obj);
     265           0 :   if (self) {
     266           0 :     UpdateWrapper(self, self, obj, old);
     267             :   }
     268           0 : }
     269             : 
     270             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     271             : #if defined(__clang__)
     272             : #pragma clang diagnostic push
     273             : #pragma clang diagnostic ignored "-Wmissing-braces"
     274             : #endif
     275             : static const JSPropertySpec sAttributes_specs[] = {
     276             :   { "statusMessage", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &statusMessage_getterinfo, nullptr, nullptr },
     277             :   { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
     278             : };
     279             : #if defined(__clang__)
     280             : #pragma clang diagnostic pop
     281             : #endif
     282             : 
     283             : 
     284             : // Can't be const because the pref-enabled boolean needs to be writable
     285             : static Prefable<const JSPropertySpec> sAttributes[] = {
     286             :   { nullptr, &sAttributes_specs[0] },
     287             :   { nullptr, nullptr }
     288             : };
     289             : 
     290             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     291             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     292             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     293             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     294             : 
     295             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     296             : #if defined(__clang__)
     297             : #pragma clang diagnostic push
     298             : #pragma clang diagnostic ignored "-Wmissing-braces"
     299             : #endif
     300             : static const JSPropertySpec sUnforgeableAttributes_specs[] = {
     301             :   { "isTrusted", JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericBindingGetter, &isTrusted_getterinfo, nullptr, nullptr },
     302             :   { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
     303             : };
     304             : #if defined(__clang__)
     305             : #pragma clang diagnostic pop
     306             : #endif
     307             : 
     308             : 
     309             : // Can't be const because the pref-enabled boolean needs to be writable
     310             : static Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
     311             :   { nullptr, &sUnforgeableAttributes_specs[0] },
     312             :   { nullptr, nullptr }
     313             : };
     314             : 
     315             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     316             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     317             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     318             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     319             : 
     320             : 
     321             : static uint16_t sNativeProperties_sortedPropertyIndices[2];
     322             : static PropertyInfo sNativeProperties_propertyInfos[2];
     323             : 
     324             : static const NativePropertiesN<2> sNativeProperties = {
     325             :   false, 0,
     326             :   false, 0,
     327             :   false, 0,
     328             :   true,  0 /* sAttributes */,
     329             :   false, 0,
     330             :   true,  1 /* sUnforgeableAttributes */,
     331             :   false, 0,
     332             :   -1,
     333             :   2,
     334             :   sNativeProperties_sortedPropertyIndices,
     335             :   {
     336             :     { sAttributes, &sNativeProperties_propertyInfos[0] },
     337             :     { sUnforgeableAttributes, &sNativeProperties_propertyInfos[1] }
     338             :   }
     339             : };
     340             : static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
     341             :     "We have a property info count that is oversized");
     342             : 
     343             : static bool
     344           0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
     345             : {
     346           0 :   JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
     347           0 :   JS::Rooted<JSObject*> obj(cx, &args.callee());
     348           0 :   if (!args.isConstructing()) {
     349             :     // XXXbz wish I could get the name from the callee instead of
     350             :     // Adding more relocations
     351           0 :     return ThrowConstructorWithoutNew(cx, "WebGLContextEvent");
     352             :   }
     353             : 
     354           0 :   GlobalObject global(cx, obj);
     355           0 :   if (global.Failed()) {
     356           0 :     return false;
     357             :   }
     358             : 
     359           0 :   JS::Rooted<JSObject*> desiredProto(cx);
     360           0 :   if (!GetDesiredProto(cx, args, &desiredProto)) {
     361           0 :     return false;
     362             :   }
     363             : 
     364           0 :   if (MOZ_UNLIKELY(args.length() < 1)) {
     365           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "WebGLContextEvent");
     366             :   }
     367           0 :   bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
     368           0 :   binding_detail::FakeString arg0;
     369           0 :   if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
     370           0 :     return false;
     371             :   }
     372           0 :   binding_detail::FastWebGLContextEventInit arg1;
     373           0 :   if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of WebGLContextEvent.constructor", false)) {
     374           0 :     return false;
     375             :   }
     376           0 :   Maybe<JSAutoCompartment> ac;
     377           0 :   if (objIsXray) {
     378           0 :     obj = js::CheckedUnwrap(obj);
     379           0 :     if (!obj) {
     380           0 :       return false;
     381             :     }
     382           0 :     ac.emplace(cx, obj);
     383           0 :     if (!JS_WrapObject(cx, &desiredProto)) {
     384           0 :       return false;
     385             :     }
     386             :   }
     387           0 :   binding_detail::FastErrorResult rv;
     388           0 :   auto result(StrongOrRawPtr<mozilla::dom::WebGLContextEvent>(mozilla::dom::WebGLContextEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
     389           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     390           0 :     return false;
     391             :   }
     392           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     393             :   static_assert(!IsPointer<decltype(result)>::value,
     394             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     395           0 :   if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
     396           0 :     MOZ_ASSERT(true || JS_IsExceptionPending(cx));
     397           0 :     return false;
     398             :   }
     399           0 :   return true;
     400             : }
     401             : 
     402             : static const js::ClassOps sInterfaceObjectClassOps = {
     403             :     nullptr,               /* addProperty */
     404             :     nullptr,               /* delProperty */
     405             :     nullptr,               /* getProperty */
     406             :     nullptr,               /* setProperty */
     407             :     nullptr,               /* enumerate */
     408             :     nullptr,               /* newEnumerate */
     409             :     nullptr,               /* resolve */
     410             :     nullptr,               /* mayResolve */
     411             :     nullptr,               /* finalize */
     412             :     _constructor, /* call */
     413             :     nullptr,               /* hasInstance */
     414             :     _constructor, /* construct */
     415             :     nullptr,               /* trace */
     416             : };
     417             : 
     418             : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
     419             :   {
     420             :     "Function",
     421             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
     422             :     &sInterfaceObjectClassOps,
     423             :     JS_NULL_CLASS_SPEC,
     424             :     JS_NULL_CLASS_EXT,
     425             :     &sInterfaceObjectClassObjectOps
     426             :   },
     427             :   eInterface,
     428             :   true,
     429             :   prototypes::id::WebGLContextEvent,
     430             :   PrototypeTraits<prototypes::id::WebGLContextEvent>::Depth,
     431             :   sNativePropertyHooks,
     432             :   "function WebGLContextEvent() {\n    [native code]\n}",
     433             :   EventBinding::GetConstructorObject
     434             : };
     435             : 
     436             : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
     437             :   {
     438             :     "WebGLContextEventPrototype",
     439             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
     440             :     JS_NULL_CLASS_OPS,
     441             :     JS_NULL_CLASS_SPEC,
     442             :     JS_NULL_CLASS_EXT,
     443             :     JS_NULL_OBJECT_OPS
     444             :   },
     445             :   eInterfacePrototype,
     446             :   false,
     447             :   prototypes::id::WebGLContextEvent,
     448             :   PrototypeTraits<prototypes::id::WebGLContextEvent>::Depth,
     449             :   sNativePropertyHooks,
     450             :   "[object WebGLContextEventPrototype]",
     451             :   EventBinding::GetProtoObject
     452             : };
     453             : 
     454             : bool
     455           1 : ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
     456             : {
     457           1 :   return mozilla::dom::OffscreenCanvas::PrefEnabledOnWorkerThread(aCx, aObj);
     458             : }
     459             : 
     460             : JSObject*
     461           0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
     462             : {
     463           0 :   return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
     464             : }
     465             : 
     466             : static const js::ClassOps sClassOps = {
     467             :   _addProperty, /* addProperty */
     468             :   nullptr,               /* delProperty */
     469             :   nullptr,               /* getProperty */
     470             :   nullptr,               /* setProperty */
     471             :   nullptr,               /* enumerate */
     472             :   nullptr, /* newEnumerate */
     473             :   nullptr, /* resolve */
     474             :   nullptr, /* mayResolve */
     475             :   _finalize, /* finalize */
     476             :   nullptr, /* call */
     477             :   nullptr,               /* hasInstance */
     478             :   nullptr,               /* construct */
     479             :   nullptr, /* trace */
     480             : };
     481             : 
     482             : static const js::ClassExtension sClassExtension = {
     483             :   nullptr, /* weakmapKeyDelegateOp */
     484             :   _objectMoved /* objectMovedOp */
     485             : };
     486             : 
     487             : static const DOMJSClass sClass = {
     488             :   { "WebGLContextEvent",
     489             :     JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
     490             :     &sClassOps,
     491             :     JS_NULL_CLASS_SPEC,
     492             :     &sClassExtension,
     493             :     JS_NULL_OBJECT_OPS
     494             :   },
     495             :   { prototypes::id::Event, prototypes::id::WebGLContextEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
     496             :   IsBaseOf<nsISupports, mozilla::dom::WebGLContextEvent >::value,
     497             :   sNativePropertyHooks,
     498             :   FindAssociatedGlobalForNative<mozilla::dom::WebGLContextEvent>::Get,
     499             :   GetProtoObjectHandle,
     500             :   GetCCParticipant<mozilla::dom::WebGLContextEvent>::Get()
     501             : };
     502             : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
     503             :               "Must have the right minimal number of reserved slots.");
     504             : static_assert(1 >= 1,
     505             :               "Must have enough reserved slots.");
     506             : 
     507             : const JSClass*
     508           0 : GetJSClass()
     509             : {
     510           0 :   return sClass.ToJSClass();
     511             : }
     512             : 
     513             : bool
     514           0 : Wrap(JSContext* aCx, mozilla::dom::WebGLContextEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
     515             : {
     516             :   MOZ_ASSERT(static_cast<mozilla::dom::WebGLContextEvent*>(aObject) ==
     517             :              reinterpret_cast<mozilla::dom::WebGLContextEvent*>(aObject),
     518             :              "Multiple inheritance for mozilla::dom::WebGLContextEvent is broken.");
     519             :   MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
     520             :              reinterpret_cast<mozilla::dom::Event*>(aObject),
     521             :              "Multiple inheritance for mozilla::dom::Event is broken.");
     522           0 :   MOZ_ASSERT(ToSupportsIsCorrect(aObject));
     523           0 :   MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
     524           0 :   MOZ_ASSERT(!aCache->GetWrapper(),
     525             :              "You should probably not be using Wrap() directly; use "
     526             :              "GetOrCreateDOMReflector instead");
     527             : 
     528           0 :   MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
     529             :              "nsISupports must be on our primary inheritance chain");
     530             : 
     531           0 :   JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
     532           0 :   if (!global) {
     533           0 :     return false;
     534             :   }
     535           0 :   MOZ_ASSERT(JS_IsGlobalObject(global));
     536           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(global));
     537             : 
     538             :   // That might have ended up wrapping us already, due to the wonders
     539             :   // of XBL.  Check for that, and bail out as needed.
     540           0 :   aReflector.set(aCache->GetWrapper());
     541           0 :   if (aReflector) {
     542             : #ifdef DEBUG
     543           0 :     binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
     544             : #endif // DEBUG
     545           0 :     return true;
     546             :   }
     547             : 
     548           0 :   JSAutoCompartment ac(aCx, global);
     549           0 :   JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
     550           0 :   if (!canonicalProto) {
     551           0 :     return false;
     552             :   }
     553           0 :   JS::Rooted<JSObject*> proto(aCx);
     554           0 :   if (aGivenProto) {
     555           0 :     proto = aGivenProto;
     556             :     // Unfortunately, while aGivenProto was in the compartment of aCx
     557             :     // coming in, we changed compartments to that of "parent" so may need
     558             :     // to wrap the proto here.
     559           0 :     if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
     560           0 :       if (!JS_WrapObject(aCx, &proto)) {
     561           0 :         return false;
     562             :       }
     563             :     }
     564             :   } else {
     565           0 :     proto = canonicalProto;
     566             :   }
     567             : 
     568           0 :   BindingJSObjectCreator<mozilla::dom::WebGLContextEvent> creator(aCx);
     569           0 :   creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
     570           0 :   if (!aReflector) {
     571           0 :     return false;
     572             :   }
     573             : 
     574           0 :   aCache->SetWrapper(aReflector);
     575             : 
     576             :   // Important: do unforgeable property setup after we have handed
     577             :   // over ownership of the C++ object to obj as needed, so that if
     578             :   // we fail and it ends up GCed it won't have problems in the
     579             :   // finalizer trying to drop its ownership of the C++ object.
     580             :   JS::Rooted<JSObject*> unforgeableHolder(aCx,
     581           0 :     &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
     582           0 :   if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
     583           0 :     aCache->ReleaseWrapper(aObject);
     584           0 :     aCache->ClearWrapper();
     585           0 :     return false;
     586             :   }
     587           0 :   creator.InitializationSucceeded();
     588             : 
     589           0 :   MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
     590             :              aCache->GetWrapperPreserveColor() == aReflector);
     591             :   // If proto != canonicalProto, we have to preserve our wrapper;
     592             :   // otherwise we won't be able to properly recreate it later, since
     593             :   // we won't know what proto to use.  Note that we don't check
     594             :   // aGivenProto here, since it's entirely possible (and even
     595             :   // somewhat common) to have a non-null aGivenProto which is the
     596             :   // same as canonicalProto.
     597           0 :   if (proto != canonicalProto) {
     598           0 :     PreserveWrapper(aObject);
     599             :   }
     600             : 
     601           0 :   return true;
     602             : }
     603             : 
     604             : const NativePropertyHooks sNativePropertyHooks[] = { {
     605             :   nullptr,
     606             :   nullptr,
     607             :   nullptr,
     608             :   { sNativeProperties.Upcast(), nullptr },
     609             :   prototypes::id::WebGLContextEvent,
     610             :   constructors::id::WebGLContextEvent,
     611             :   EventBinding::sNativePropertyHooks,
     612             :   &DefaultXrayExpandoObjectClass
     613             : } };
     614             : 
     615             : void
     616           0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
     617             : {
     618           0 :   JS::Handle<JSObject*> parentProto(EventBinding::GetProtoObjectHandle(aCx));
     619           0 :   if (!parentProto) {
     620           0 :     return;
     621             :   }
     622             : 
     623           0 :   JS::Handle<JSObject*> constructorProto(EventBinding::GetConstructorObjectHandle(aCx));
     624           0 :   if (!constructorProto) {
     625           0 :     return;
     626             :   }
     627             : 
     628             :   static bool sIdsInited = false;
     629           0 :   if (!sIdsInited && NS_IsMainThread()) {
     630           0 :     if (!InitIds(aCx, sNativeProperties.Upcast())) {
     631           0 :       return;
     632             :     }
     633           0 :     sIdsInited = true;
     634             :   }
     635             : 
     636           0 :   JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::WebGLContextEvent);
     637           0 :   JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::WebGLContextEvent);
     638           0 :   dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
     639             :                               &sPrototypeClass.mBase, protoCache,
     640             :                               constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
     641             :                               interfaceCache,
     642             :                               sNativeProperties.Upcast(),
     643             :                               nullptr,
     644             :                               "WebGLContextEvent", aDefineOnGlobal,
     645             :                               nullptr,
     646           0 :                               false);
     647             : 
     648           0 :   JS::Rooted<JSObject*> unforgeableHolder(aCx);
     649             :   {
     650           0 :     JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
     651           0 :     unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
     652           0 :     if (!unforgeableHolder) {
     653           0 :       *protoCache = nullptr;
     654           0 :       if (interfaceCache) {
     655           0 :         *interfaceCache = nullptr;
     656             :       }
     657           0 :       return;
     658             :     }
     659             :   }
     660             : 
     661           0 :   if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
     662           0 :     *protoCache = nullptr;
     663           0 :     if (interfaceCache) {
     664           0 :       *interfaceCache = nullptr;
     665             :     }
     666           0 :     return;
     667             :   }
     668             : 
     669           0 :   if (*protoCache) {
     670           0 :     js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
     671           0 :                         JS::ObjectValue(*unforgeableHolder));
     672             :   }
     673             : }
     674             : 
     675             : JS::Handle<JSObject*>
     676           0 : GetProtoObjectHandle(JSContext* aCx)
     677             : {
     678             :   /* Get the interface prototype object for this class.  This will create the
     679             :      object as needed. */
     680           0 :   bool aDefineOnGlobal = true;
     681             : 
     682             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
     683           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
     684           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
     685           0 :     return nullptr;
     686             :   }
     687             : 
     688             :   /* Check to see whether the interface objects are already installed */
     689           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
     690           0 :   if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::WebGLContextEvent)) {
     691           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
     692           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
     693             :   }
     694             : 
     695             :   /*
     696             :    * The object might _still_ be null, but that's OK.
     697             :    *
     698             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
     699             :    * traced by TraceProtoAndIfaceCache() and its contents are never
     700             :    * changed after they have been set.
     701             :    *
     702             :    * Calling address() avoids the read read barrier that does gray
     703             :    * unmarking, but it's not possible for the object to be gray here.
     704             :    */
     705             : 
     706           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::WebGLContextEvent);
     707           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
     708           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
     709             : }
     710             : 
     711             : JS::Handle<JSObject*>
     712           0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
     713             : {
     714             :   /* Get the interface object for this class.  This will create the object as
     715             :      needed. */
     716             : 
     717             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
     718           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
     719           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
     720           0 :     return nullptr;
     721             :   }
     722             : 
     723             :   /* Check to see whether the interface objects are already installed */
     724           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
     725           0 :   if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::WebGLContextEvent)) {
     726           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
     727           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
     728             :   }
     729             : 
     730             :   /*
     731             :    * The object might _still_ be null, but that's OK.
     732             :    *
     733             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
     734             :    * traced by TraceProtoAndIfaceCache() and its contents are never
     735             :    * changed after they have been set.
     736             :    *
     737             :    * Calling address() avoids the read read barrier that does gray
     738             :    * unmarking, but it's not possible for the object to be gray here.
     739             :    */
     740             : 
     741           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::WebGLContextEvent);
     742           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
     743           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
     744             : }
     745             : 
     746             : JSObject*
     747           0 : GetConstructorObject(JSContext* aCx)
     748             : {
     749           0 :   return GetConstructorObjectHandle(aCx);
     750             : }
     751             : 
     752             : } // namespace WebGLContextEventBinding
     753             : 
     754             : 
     755             : 
     756             : } // namespace dom
     757             : } // namespace mozilla

Generated by: LCOV version 1.13