/* THIS FILE IS AUTOGENERATED FROM ServiceWorker.webidl BY Codegen.py - DO NOT EDIT */ #include #include "EventHandlerBinding.h" #include "EventTargetBinding.h" #include "MainThreadUtils.h" #include "MessagePortBinding.h" #include "ServiceWorkerBinding.h" #include "WrapperFactory.h" #include "js/Array.h" #include "js/CallAndConstruct.h" #include "js/Exception.h" #include "js/ForOfIterator.h" #include "js/MapAndSet.h" #include "js/Object.h" #include "js/PropertyAndElement.h" #include "js/PropertyDescriptor.h" #include "js/experimental/JitInfo.h" #include "jsapi.h" #include "mozilla/Atomics.h" #include "mozilla/OwningNonNull.h" #include "mozilla/ProfilerLabels.h" #include "mozilla/dom/BindingCallContext.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/dom/DOMJSClass.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/Nullable.h" #include "mozilla/dom/RootedDictionary.h" #include "mozilla/dom/ServiceWorker.h" #include "mozilla/dom/XrayExpandoClass.h" namespace mozilla { namespace dom { namespace binding_detail {}; // Just to make sure it's known as a namespace using namespace mozilla::dom::binding_detail; namespace binding_detail { constexpr nsLiteralCString EnumStrings::Values[6]; } // namespace binding_detail bool ToJSValue(JSContext* aCx, ServiceWorkerState aArgument, JS::MutableHandle aValue) { MOZ_ASSERT(uint32_t(aArgument) < std::size(binding_detail::EnumStrings::Values)); JSString* resultStr = JS_NewStringCopyN(aCx, binding_detail::EnumStrings::Values[uint32_t(aArgument)].BeginReading(), binding_detail::EnumStrings::Values[uint32_t(aArgument)].Length()); if (!resultStr) { return false; } aValue.setString(resultStr); return true; } namespace ServiceWorker_Binding { static_assert(IsRefcounted::value == IsRefcounted::value, "Can't inherit from an interface with a different ownership model."); MOZ_CAN_RUN_SCRIPT static bool get_scriptURL(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ServiceWorker", "scriptURL", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); DOMString result; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetScriptURL(result))>, "Should be returning void here"); MOZ_KnownLive(self)->GetScriptURL(result); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) { return false; } return true; } static const JSJitInfo scriptURL_getterinfo = { { get_scriptURL }, { prototypes::id::ServiceWorker }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_state(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ServiceWorker", "state", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); ServiceWorkerState result(MOZ_KnownLive(self)->State()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!ToJSValue(cx, result, args.rval())) { return false; } return true; } static const JSJitInfo state_getterinfo = { { get_state }, { prototypes::id::ServiceWorker }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_onstatechange(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ServiceWorker", "onstatechange", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); RefPtr result(MOZ_KnownLive(self)->GetOnstatechange()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result) { args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result)); if (!MaybeWrapObjectOrNullValue(cx, args.rval())) { return false; } return true; } else { args.rval().setNull(); return true; } } MOZ_CAN_RUN_SCRIPT static bool set_onstatechange(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ServiceWorker", "onstatechange", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); RootedCallback> arg0(cx); if (args[0].isObject()) { { // scope for tempRoot and tempGlobalRoot if needed arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx)); } } else { arg0 = nullptr; } // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetOnstatechange(MOZ_KnownLive(Constify(arg0))))>, "Should be returning void here"); MOZ_KnownLive(self)->SetOnstatechange(MOZ_KnownLive(Constify(arg0))); MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo onstatechange_getterinfo = { { get_onstatechange }, { prototypes::id::ServiceWorker }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static const JSJitInfo onstatechange_setterinfo = { { (JSJitGetterOp)set_onstatechange }, { prototypes::id::ServiceWorker }, { PrototypeTraits::Depth }, JSJitInfo::Setter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool postMessage(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "ServiceWorker.postMessage"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ServiceWorker", "postMessage", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); unsigned argcount = std::min(args.length(), 2u); switch (argcount) { case 1: { JS::Rooted arg0(cx); arg0 = args[0]; RootedDictionary arg1(cx); if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2", false)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vPostMessage(cx, arg0, Constify(arg1), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->PostMessage(cx, arg0, Constify(arg1), rv); if (rv.MaybeSetPendingException(cx, "ServiceWorker.postMessage")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; break; } case 2: { JS::Rooted arg0(cx); arg0 = args[0]; if (args[1].isNullOrUndefined()) { RootedDictionary arg1(cx); if (!arg1.Init(cx, args[1], "Argument 2", false)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vPostMessage(cx, arg0, Constify(arg1), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->PostMessage(cx, arg0, Constify(arg1), rv); if (rv.MaybeSetPendingException(cx, "ServiceWorker.postMessage")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } if (args[1].isObject()) { do { binding_detail::AutoSequence arg1; SequenceRooter arg1_holder(cx, &arg1); JS::ForOfIterator iter(cx); if (!iter.init(args[1], JS::ForOfIterator::AllowNonIterable)) { return false; } if (!iter.valueIsIterable()) { break; } binding_detail::AutoSequence &arr = arg1; if (mozilla::Maybe sizeHint = iter.sizeHint()) { if (!arr.SetCapacity(*sizeHint, mozilla::fallible)) { JS_ReportOutOfMemory(cx); return false; } } JS::Rooted temp(cx); while (true) { bool done; if (!iter.next(&temp, &done)) { return false; } if (done) { break; } JSObject** slotPtr = arr.AppendElement(nullptr, mozilla::fallible); if (!slotPtr) { JS_ReportOutOfMemory(cx); return false; } JSObject*& slot = *slotPtr; if (temp.isObject()) { slot = &temp.toObject(); } else { cx.ThrowErrorMessage("Element of argument 2"); return false; } } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vPostMessage(cx, arg0, Constify(arg1), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->PostMessage(cx, arg0, Constify(arg1), rv); if (rv.MaybeSetPendingException(cx, "ServiceWorker.postMessage")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } while (false); do { RootedDictionary arg1(cx); if (!arg1.Init(cx, args[1], "Argument 2", false)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vPostMessage(cx, arg0, Constify(arg1), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->PostMessage(cx, arg0, Constify(arg1), rv); if (rv.MaybeSetPendingException(cx, "ServiceWorker.postMessage")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } while (false); } return cx.ThrowErrorMessage("2", "2"); break; } default: { // Using nsPrintfCString here would require including that // header. Let's not worry about it. nsAutoCString argCountStr; argCountStr.AppendPrintf("%u", args.length()); return cx.ThrowErrorMessage(argCountStr.get()); } } MOZ_CRASH("We have an always-returning default case"); return false; } static const JSJitInfo postMessage_methodinfo = { { (JSJitGetterOp)postMessage }, { prototypes::id::ServiceWorker }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_onerror(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ServiceWorker", "onerror", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); RefPtr result(MOZ_KnownLive(self)->GetOnerror()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result) { args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result)); if (!MaybeWrapObjectOrNullValue(cx, args.rval())) { return false; } return true; } else { args.rval().setNull(); return true; } } MOZ_CAN_RUN_SCRIPT static bool set_onerror(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ServiceWorker", "onerror", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); RootedCallback> arg0(cx); if (args[0].isObject()) { { // scope for tempRoot and tempGlobalRoot if needed arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx)); } } else { arg0 = nullptr; } // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetOnerror(MOZ_KnownLive(Constify(arg0))))>, "Should be returning void here"); MOZ_KnownLive(self)->SetOnerror(MOZ_KnownLive(Constify(arg0))); MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo onerror_getterinfo = { { get_onerror }, { prototypes::id::ServiceWorker }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static const JSJitInfo onerror_setterinfo = { { (JSJitGetterOp)set_onerror }, { prototypes::id::ServiceWorker }, { PrototypeTraits::Depth }, JSJitInfo::Setter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static void _finalize(JS::GCContext* gcx, JSObject* obj) { mozilla::dom::ServiceWorker* self = UnwrapPossiblyNotInitializedDOMObject(obj); if (self) { JS::SetNativeObjectReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue()); ClearWrapper(self, self, obj); if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) { JS::RemoveAssociatedMemory(obj, mallocBytes, JS::MemoryUse::DOMBinding); } AddForDeferredFinalization(self); } } MOZ_GLOBINIT static const JSFunctionSpec sMethods_specs[] = { JS_FNSPEC("postMessage", (GenericMethod), reinterpret_cast(&postMessage_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const Prefable sMethods[] = { { nullptr, &sMethods_specs[0] }, { nullptr, nullptr } }; static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); MOZ_GLOBINIT static const JSPropertySpec sAttributes_specs[] = { JSPropertySpec::nativeAccessors("scriptURL", JSPROP_ENUMERATE, GenericGetter, &scriptURL_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("state", JSPROP_ENUMERATE, GenericGetter, &state_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("onstatechange", JSPROP_ENUMERATE, GenericGetter, &onstatechange_getterinfo, GenericSetter, &onstatechange_setterinfo), JSPropertySpec::nativeAccessors("onerror", JSPROP_ENUMERATE, GenericGetter, &onerror_getterinfo, GenericSetter, &onerror_setterinfo), JS_PS_END }; static const Prefable sAttributes[] = { { nullptr, &sAttributes_specs[0] }, { nullptr, nullptr } }; static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); static uint16_t sNativeProperties_sortedPropertyIndices[5]; static PropertyInfo sNativeProperties_propertyInfos[5]; static const NativePropertiesN<2> sNativeProperties = { false, 0, false, 0, true, 0 /* sMethods */, true, 1 /* sAttributes */, false, 0, false, 0, false, 0, -1, 5, sNativeProperties_sortedPropertyIndices, { { sMethods, &sNativeProperties_propertyInfos[0] }, { sAttributes, &sNativeProperties_propertyInfos[1] } } }; static_assert(5 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); bool sNativePropertiesInited = false; const NativePropertyHooks sNativePropertyHooks = { nullptr, { sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited }, prototypes::id::ServiceWorker, constructors::id::ServiceWorker, &DefaultXrayExpandoObjectClass }; static const DOMInterfaceInfo sInterfaceObjectInfo = { { ThrowingConstructor, &sNativePropertyHooks }, EventTarget_Binding::GetConstructorObjectHandle, PrototypeTraits::Depth, prototypes::id::ServiceWorker, true, 0, "ServiceWorker", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "ServiceWorkerPrototype", JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), JS_NULL_CLASS_OPS, JS_NULL_CLASS_SPEC, JS_NULL_CLASS_EXT, JS_NULL_OBJECT_OPS }, eInterfacePrototype, prototypes::id::ServiceWorker, PrototypeTraits::Depth, &sNativePropertyHooks, EventTarget_Binding::GetProtoObject }; bool ConstructorEnabled(JSContext* aCx, JS::Handle aObj) { return ServiceWorkersEnabled(aCx, aObj); } static JS::Handle GetProtoObjectHandle(JSContext* aCx); static const JSClassOps sClassOps = { nullptr, /* addProperty */ nullptr, /* delProperty */ nullptr, /* enumerate */ nullptr, /* newEnumerate */ nullptr, /* resolve */ nullptr, /* mayResolve */ _finalize, /* finalize */ nullptr, /* call */ nullptr, /* construct */ nullptr, /* trace */ }; static const DOMJSClass sClass = { { "ServiceWorker", JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_PRESERVES_WRAPPER, &sClassOps, JS_NULL_CLASS_SPEC, &NativeTypeHelpers::sClassExtension, JS_NULL_OBJECT_OPS }, { prototypes::id::EventTarget, prototypes::id::ServiceWorker, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, std::is_base_of_v, &sNativePropertyHooks, GetProtoObjectHandle, GetCCParticipant::Get(), nullptr, NativeTypeHelpers::GetWrapperCache }; static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, "Must have the right minimal number of reserved slots."); static_assert(1 >= 1, "Must have enough reserved slots."); bool Wrap(JSContext* aCx, mozilla::dom::ServiceWorker* aObject, nsWrapperCache* aCache, JS::Handle aGivenProto, JS::MutableHandle aReflector) { static_assert(!std::is_base_of_v, "Shouldn't have wrappercached things that are not refcounted."); static_assert(std::is_same_v); MOZ_ASSERT(static_cast(aObject) == reinterpret_cast(aObject), "Multiple inheritance for mozilla::dom::EventTarget is broken."); MOZ_ASSERT(ToSupportsIsCorrect(aObject)); MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); MOZ_ASSERT(!aCache->GetWrapper(), "You should probably not be using Wrap() directly; use " "GetOrCreateDOMReflector instead"); MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), "nsISupports must be on our primary inheritance chain"); // If the wrapper cache contains a dead reflector then finalize that // now, ensuring that the finalizer for the old reflector always // runs before the new reflector is created and attached. This // avoids the awkward situation where there are multiple reflector // objects that contain pointers to the same native. if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) { _finalize(nullptr /* unused */, oldReflector); MOZ_ASSERT(!aCache->GetWrapperMaybeDead()); } JS::Rooted global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); if (!global) { return false; } MOZ_ASSERT(JS_IsGlobalObject(global)); JS::AssertObjectIsNotGray(global); // That might have ended up wrapping us already, due to the wonders // of XBL. Check for that, and bail out as needed. aReflector.set(aCache->GetWrapper()); if (aReflector) { #ifdef DEBUG AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); #endif // DEBUG return true; } JSAutoRealm ar(aCx, global); JS::Handle canonicalProto = GetProtoObjectHandle(aCx); if (!canonicalProto) { return false; } JS::Rooted proto(aCx); if (aGivenProto) { proto = aGivenProto; // Unfortunately, while aGivenProto was in the compartment of aCx // coming in, we changed compartments to that of "parent" so may need // to wrap the proto here. if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) { if (!JS_WrapObject(aCx, &proto)) { return false; } } } else { proto = canonicalProto; } BindingJSObjectCreator creator(aCx); creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); if (!aReflector) { return false; } aCache->SetWrapper(aReflector); creator.InitializationSucceeded(); MOZ_ASSERT(aCache->GetWrapperPreserveColor() && aCache->GetWrapperPreserveColor() == aReflector); // If proto != canonicalProto, we have to preserve our wrapper; // otherwise we won't be able to properly recreate it later, since // we won't know what proto to use. Note that we don't check // aGivenProto here, since it's entirely possible (and even // somewhat common) to have a non-null aGivenProto which is the // same as canonicalProto. if (proto != canonicalProto) { PreserveWrapper(aObject); } return true; } void CreateInterfaceObjects(JSContext* aCx, JS::Handle aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal) { JS::Heap* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ServiceWorker); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ServiceWorker); JS::Handle parentProto(EventTarget_Binding::GetProtoObjectHandle(aCx)); if (!parentProto) { return; } JS::Handle constructorProto(EventTarget_Binding::GetConstructorObjectHandle(aCx)); if (!constructorProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, constructorProto, &sInterfaceObjectInfo, 0, false, Span{}, interfaceCache, sNativeProperties.Upcast(), nullptr, "ServiceWorker", ShouldExpose(aCx, aGlobal, aDefineOnGlobal), nullptr, false, nullptr); } static JS::Handle GetProtoObjectHandle(JSContext* aCx) { /* Get the interface prototype object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, prototypes::id::ServiceWorker, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } JS::Handle GetConstructorObjectHandle(JSContext* aCx) { /* Get the interface object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, constructors::id::ServiceWorker, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace ServiceWorker_Binding } // namespace dom } // namespace mozilla