/* THIS FILE IS AUTOGENERATED FROM Clipboard.webidl BY Codegen.py - DO NOT EDIT */ #include #include "AtomList.h" #include "ClipboardBinding.h" #include "EventTargetBinding.h" #include "MainThreadUtils.h" #include "WrapperFactory.h" #include "XrayWrapper.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/BasePrincipal.h" #include "mozilla/OwningNonNull.h" #include "mozilla/ProfilerLabels.h" #include "mozilla/dom/BindingCallContext.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/dom/Blob.h" #include "mozilla/dom/Clipboard.h" #include "mozilla/dom/ClipboardItem.h" #include "mozilla/dom/DOMJSClass.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/PrimitiveConversions.h" #include "mozilla/dom/Promise.h" #include "mozilla/dom/Record.h" #include "mozilla/dom/ScriptSettings.h" #include "mozilla/dom/SimpleGlobalObject.h" #include "mozilla/dom/ToJSValue.h" #include "mozilla/dom/WebIDLPrefs.h" #include "mozilla/dom/XrayExpandoClass.h" #include "nsJSPrincipals.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[3]; } // namespace binding_detail bool ToJSValue(JSContext* aCx, PresentationStyle 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; } void ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningStringOrBlob& aUnion, const char* aName, uint32_t aFlags) { if (aUnion.IsBlob()) { ImplCycleCollectionTraverse(aCallback, aUnion.GetAsBlob(), "mBlob", aFlags); } } void ImplCycleCollectionUnlink(OwningStringOrBlob& aUnion) { aUnion.Uninit(); } ClipboardItemOptions::ClipboardItemOptions() { // Safe to pass a null context if we pass a null value Init(nullptr, JS::NullHandleValue); } bool ClipboardItemOptions::InitIds(JSContext* cx, ClipboardItemOptionsAtoms* atomsCache) { MOZ_ASSERT(reinterpret_cast(atomsCache)->isVoid()); // Initialize these in reverse order so that any failure leaves the first one // uninitialized. if (!atomsCache->presentationStyle_id.init(cx, "presentationStyle")) { return false; } return true; } bool ClipboardItemOptions::Init(BindingCallContext& cx, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // Passing a null JSContext is OK only if we're initing from null, // Since in that case we will not have to do any property gets // Also evaluate isNullOrUndefined in order to avoid false-positive // checkers by static analysis tools MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined()); ClipboardItemOptionsAtoms* atomsCache = nullptr; if (cx) { atomsCache = GetAtomCache(cx); if (reinterpret_cast(atomsCache)->isVoid() && !InitIds(cx, atomsCache)) { return false; } } if (!IsConvertibleToDictionary(val)) { return cx.ThrowErrorMessage(sourceDescription, "dictionary"); } bool isNull = val.isNullOrUndefined(); // We only need these if !isNull, in which case we have |cx|. Maybe > object; Maybe > temp; if (!isNull) { MOZ_ASSERT(cx); object.emplace(cx, &val.toObject()); temp.emplace(cx); } if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->presentationStyle_id, temp.ptr())) { return false; } } if (!isNull && !temp->isUndefined()) { { int index; if (!binding_detail::FindEnumStringIndex(cx, temp.ref(), binding_detail::EnumStrings::Values, "PresentationStyle", "'presentationStyle' member of ClipboardItemOptions", &index)) { return false; } MOZ_ASSERT(index >= 0); mPresentationStyle = static_cast(index); } } else { mPresentationStyle = PresentationStyle::Unspecified; } mIsAnyMemberPresent = true; return true; } bool ClipboardItemOptions::Init(JSContext* cx_, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // We don't want to use sourceDescription for our context here; // that's not really what it's formatted for. BindingCallContext cx(cx_, nullptr); return Init(cx, val, sourceDescription, passedToJSImpl); } void ClipboardItemOptions::TraceDictionary(JSTracer* trc) { } ClipboardItemOptions& ClipboardItemOptions::operator=(const ClipboardItemOptions& aOther) { MaybeEmptyDictionaryBase::operator=(aOther); mPresentationStyle = aOther.mPresentationStyle; return *this; } bool StringOrBlob::TrySetToString(JSContext* cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot nsAutoString& memberSlot = RawSetAsString(); if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) { return false; } } return true; } bool StringOrBlob::TrySetToBlob(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot NonNull& memberSlot = RawSetAsBlob(); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyBlob(); tryNext = true; return true; } } } return true; } bool StringOrBlob::TrySetToBlob(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToBlob(cx, value, tryNext, passedToJSImpl); } bool StringOrBlob::Init(BindingCallContext& cx, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { MOZ_ASSERT(mType == eUninitialized); bool done = false, failed = false, tryNext; if (value.isObject()) { done = (failed = !TrySetToBlob(cx, value, tryNext, passedToJSImpl)) || !tryNext; } if (!done) { do { done = (failed = !TrySetToString(cx, value, tryNext)) || !tryNext; break; } while (false); } if (failed) { return false; } if (!done) { cx.ThrowErrorMessage(sourceDescription, "Blob"); return false; } return true; } bool StringOrBlob::Init(JSContext* cx_, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return Init(cx, value, sourceDescription, passedToJSImpl); } bool StringOrBlob::ToJSVal(JSContext* cx, JS::Handle scopeObj, JS::MutableHandle rval) const { switch (mType) { case eUninitialized: { return false; } case eString: { if (!xpc::NonVoidStringToJsval(cx, mValue.mString.Value(), rval)) { return false; } return true; } case eBlob: { if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } default: { return false; } } } OwningStringOrBlob::OwningStringOrBlob(OwningStringOrBlob&& aOther) : mType(eUninitialized) { switch (aOther.mType) { case eUninitialized: { MOZ_ASSERT(mType == eUninitialized, "We need to destroy ourselves?"); break; } case eString: { mType = eString; mValue.mString.SetValue(std::move(aOther.mValue.mString.Value())); break; } case eBlob: { mType = eBlob; mValue.mBlob.SetValue(std::move(aOther.mValue.mBlob.Value())); break; } } } bool OwningStringOrBlob::TrySetToString(JSContext* cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot nsString& memberSlot = RawSetAsString(); if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) { return false; } } return true; } [[nodiscard]] nsString& OwningStringOrBlob::RawSetAsString() { if (mType == eString) { return mValue.mString.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eString; return mValue.mString.SetValue(); } [[nodiscard]] nsString& OwningStringOrBlob::SetAsString() { if (mType == eString) { return mValue.mString.Value(); } Uninit(); mType = eString; return mValue.mString.SetValue(); } void OwningStringOrBlob::DestroyString() { MOZ_RELEASE_ASSERT(IsString(), "Wrong type!"); mValue.mString.Destroy(); mType = eUninitialized; } bool OwningStringOrBlob::TrySetToBlob(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot OwningNonNull& memberSlot = RawSetAsBlob(); static_assert(IsRefcounted::value, "We can only store refcounted classes."); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyBlob(); tryNext = true; return true; } } } return true; } bool OwningStringOrBlob::TrySetToBlob(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToBlob(cx, value, tryNext, passedToJSImpl); } [[nodiscard]] OwningNonNull& OwningStringOrBlob::RawSetAsBlob() { if (mType == eBlob) { return mValue.mBlob.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eBlob; return mValue.mBlob.SetValue(); } [[nodiscard]] OwningNonNull& OwningStringOrBlob::SetAsBlob() { if (mType == eBlob) { return mValue.mBlob.Value(); } Uninit(); mType = eBlob; return mValue.mBlob.SetValue(); } void OwningStringOrBlob::DestroyBlob() { MOZ_RELEASE_ASSERT(IsBlob(), "Wrong type!"); mValue.mBlob.Destroy(); mType = eUninitialized; } bool OwningStringOrBlob::Init(BindingCallContext& cx, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { MOZ_ASSERT(mType == eUninitialized); bool done = false, failed = false, tryNext; if (value.isObject()) { done = (failed = !TrySetToBlob(cx, value, tryNext, passedToJSImpl)) || !tryNext; } if (!done) { do { done = (failed = !TrySetToString(cx, value, tryNext)) || !tryNext; break; } while (false); } if (failed) { return false; } if (!done) { cx.ThrowErrorMessage(sourceDescription, "Blob"); return false; } return true; } bool OwningStringOrBlob::Init(JSContext* cx_, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return Init(cx, value, sourceDescription, passedToJSImpl); } void OwningStringOrBlob::Uninit() { switch (mType) { case eUninitialized: { break; } case eString: { DestroyString(); break; } case eBlob: { DestroyBlob(); break; } } } bool OwningStringOrBlob::ToJSVal(JSContext* cx, JS::Handle scopeObj, JS::MutableHandle rval) const { switch (mType) { case eUninitialized: { return false; } case eString: { if (!xpc::NonVoidStringToJsval(cx, mValue.mString.Value(), rval)) { return false; } return true; } case eBlob: { if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } default: { return false; } } } OwningStringOrBlob& OwningStringOrBlob::operator=(OwningStringOrBlob&& aOther) { this->~OwningStringOrBlob(); new (this) OwningStringOrBlob (std::move(aOther)); return *this; } OwningStringOrBlob& OwningStringOrBlob::operator=(const OwningStringOrBlob& aOther) { switch (aOther.mType) { case eUninitialized: { MOZ_ASSERT(mType == eUninitialized, "We need to destroy ourselves?"); break; } case eString: { SetAsString() = aOther.GetAsString(); break; } case eBlob: { SetAsBlob() = aOther.GetAsBlob(); break; } } return *this; } namespace Clipboard_Binding { static_assert(IsRefcounted::value == IsRefcounted::value, "Can't inherit from an interface with a different ownership model."); MOZ_CAN_RUN_SCRIPT static bool read(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "Clipboard", "read", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); FastErrorResult rv; NonNull subjectPrincipal; { JS::Realm* realm = js::GetContextRealm(cx); MOZ_ASSERT(realm); JSPrincipals* principals = JS::GetRealmPrincipals(realm); nsIPrincipal* principal = nsJSPrincipals::get(principals); subjectPrincipal = principal; } auto result(StrongOrRawPtr(MOZ_KnownLive(self)->Read(MOZ_KnownLive(NonNullHelper(subjectPrincipal)), rv))); if (rv.MaybeSetPendingException(cx, "Clipboard.read")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!ToJSValue(cx, result, args.rval())) { return false; } return true; } MOZ_CAN_RUN_SCRIPT static bool read_promiseWrapper(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { bool ok = read(cx, obj, void_self, args); if (ok) { return true; } return ConvertExceptionToPromise(cx, args.rval()); } static const JSJitInfo read_methodinfo = { { (JSJitGetterOp)read_promiseWrapper }, { prototypes::id::Clipboard }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_OBJECT, /* 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 readText(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "Clipboard", "readText", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); FastErrorResult rv; NonNull subjectPrincipal; { JS::Realm* realm = js::GetContextRealm(cx); MOZ_ASSERT(realm); JSPrincipals* principals = JS::GetRealmPrincipals(realm); nsIPrincipal* principal = nsJSPrincipals::get(principals); subjectPrincipal = principal; } auto result(StrongOrRawPtr(MOZ_KnownLive(self)->ReadText(MOZ_KnownLive(NonNullHelper(subjectPrincipal)), rv))); if (rv.MaybeSetPendingException(cx, "Clipboard.readText")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!ToJSValue(cx, result, args.rval())) { return false; } return true; } MOZ_CAN_RUN_SCRIPT static bool readText_promiseWrapper(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { bool ok = readText(cx, obj, void_self, args); if (ok) { return true; } return ConvertExceptionToPromise(cx, args.rval()); } static const JSJitInfo readText_methodinfo = { { (JSJitGetterOp)readText_promiseWrapper }, { prototypes::id::Clipboard }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_OBJECT, /* 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 write(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "Clipboard.write"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "Clipboard", "write", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); if (!args.requireAtLeast(cx, "Clipboard.write", 1)) { return false; } binding_detail::AutoSequence> arg0; if (args[0].isObject()) { JS::ForOfIterator iter(cx); if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) { return false; } if (!iter.valueIsIterable()) { cx.ThrowErrorMessage("Argument 1", "sequence"); return false; } binding_detail::AutoSequence> &arr = arg0; 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; } OwningNonNull* slotPtr = arr.AppendElement(mozilla::fallible); if (!slotPtr) { JS_ReportOutOfMemory(cx); return false; } OwningNonNull& slot = *slotPtr; if (temp.isObject()) { static_assert(IsRefcounted::value, "We can only store refcounted classes."); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(&temp, slot, cx); if (NS_FAILED(rv)) { cx.ThrowErrorMessage("Element of argument 1", "ClipboardItem"); return false; } } } else { cx.ThrowErrorMessage("Element of argument 1"); return false; } } } else { cx.ThrowErrorMessage("Argument 1", "sequence"); return false; } FastErrorResult rv; NonNull subjectPrincipal; { JS::Realm* realm = js::GetContextRealm(cx); MOZ_ASSERT(realm); JSPrincipals* principals = JS::GetRealmPrincipals(realm); nsIPrincipal* principal = nsJSPrincipals::get(principals); subjectPrincipal = principal; } auto result(StrongOrRawPtr(MOZ_KnownLive(self)->Write(Constify(arg0), MOZ_KnownLive(NonNullHelper(subjectPrincipal)), rv))); if (rv.MaybeSetPendingException(cx, "Clipboard.write")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!ToJSValue(cx, result, args.rval())) { return false; } return true; } MOZ_CAN_RUN_SCRIPT static bool write_promiseWrapper(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { bool ok = write(cx, obj, void_self, args); if (ok) { return true; } return ConvertExceptionToPromise(cx, args.rval()); } static const JSJitInfo write_methodinfo = { { (JSJitGetterOp)write_promiseWrapper }, { prototypes::id::Clipboard }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_OBJECT, /* 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 writeText(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "Clipboard", "writeText", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); if (!args.requireAtLeast(cx, "Clipboard.writeText", 1)) { return false; } nsAutoString arg0; if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { return false; } FastErrorResult rv; NonNull subjectPrincipal; { JS::Realm* realm = js::GetContextRealm(cx); MOZ_ASSERT(realm); JSPrincipals* principals = JS::GetRealmPrincipals(realm); nsIPrincipal* principal = nsJSPrincipals::get(principals); subjectPrincipal = principal; } auto result(StrongOrRawPtr(MOZ_KnownLive(self)->WriteText(NonNullHelper(Constify(arg0)), MOZ_KnownLive(NonNullHelper(subjectPrincipal)), rv))); if (rv.MaybeSetPendingException(cx, "Clipboard.writeText")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!ToJSValue(cx, result, args.rval())) { return false; } return true; } MOZ_CAN_RUN_SCRIPT static bool writeText_promiseWrapper(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { bool ok = writeText(cx, obj, void_self, args); if (ok) { return true; } return ConvertExceptionToPromise(cx, args.rval()); } static const JSJitInfo writeText_methodinfo = { { (JSJitGetterOp)writeText_promiseWrapper }, { prototypes::id::Clipboard }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_OBJECT, /* 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::Clipboard* 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("read", (GenericMethod), reinterpret_cast(&read_methodinfo), 0, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("readText", (GenericMethod), reinterpret_cast(&readText_methodinfo), 0, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("write", (GenericMethod), reinterpret_cast(&write_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("writeText", (GenericMethod), reinterpret_cast(&writeText_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const PrefableDisablers sMethods_disablers0 = { WebIDLPrefIndex::NoPref, 0, true, OriginTrial(0), nullptr }; static const Prefable sMethods[] = { { &sMethods_disablers0, &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(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[4]; static PropertyInfo sNativeProperties_propertyInfos[4]; static const NativePropertiesN<1> sNativeProperties = { false, 0, false, 0, true, 0 /* sMethods */, false, 0, false, 0, false, 0, false, 0, -1, 4, sNativeProperties_sortedPropertyIndices, { { sMethods, &sNativeProperties_propertyInfos[0] } } }; static_assert(4 < 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::Clipboard, constructors::id::Clipboard, &DefaultXrayExpandoObjectClass }; static const DOMInterfaceInfo sInterfaceObjectInfo = { { ThrowingConstructor, &sNativePropertyHooks }, EventTarget_Binding::GetConstructorObjectHandle, PrototypeTraits::Depth, prototypes::id::Clipboard, true, 0, "Clipboard", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "ClipboardPrototype", 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::Clipboard, PrototypeTraits::Depth, &sNativePropertyHooks, EventTarget_Binding::GetProtoObject }; bool ConstructorEnabled(JSContext* aCx, JS::Handle aObj) { return mozilla::dom::IsSecureContextOrObjectIsFromSecureContext(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 = { { "Clipboard", 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::Clipboard, 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::Clipboard* 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::Clipboard); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::Clipboard); 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, "Clipboard", 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::Clipboard, &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::Clipboard, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace Clipboard_Binding namespace ClipboardItem_Binding { MOZ_CAN_RUN_SCRIPT static bool get_presentationStyle(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ClipboardItem", "presentationStyle", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); PresentationStyle result(MOZ_KnownLive(self)->PresentationStyle()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!ToJSValue(cx, result, args.rval())) { return false; } return true; } static const JSJitInfo presentationStyle_getterinfo = { { get_presentationStyle }, { prototypes::id::ClipboardItem }, { 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_types(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ClipboardItem", "types", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); // Have to either root across the getter call or reget after. bool isXray; JS::Rooted slotStorage(cx, GetCachedSlotStorageObject(cx, obj, &isXray)); if (!slotStorage) { return false; } const size_t slotIndex = isXray ? (DOM_EXPANDO_RESERVED_SLOTS + 0) : (DOM_INSTANCE_RESERVED_SLOTS + 0); MOZ_ASSERT(slotIndex < JSCLASS_RESERVED_SLOTS(JS::GetClass(slotStorage))); { // Scope for cachedVal JS::Value cachedVal = JS::GetNativeObjectReservedSlot(slotStorage, slotIndex); if (!cachedVal.isUndefined()) { args.rval().set(cachedVal); // The cached value is in the compartment of slotStorage, // so wrap into the caller compartment as needed. return MaybeWrapNonDOMObjectValue(cx, args.rval()); } } nsTArray result; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetTypes(result))>, "Should be returning void here"); MOZ_KnownLive(self)->GetTypes(result); MOZ_ASSERT(!JS_IsExceptionPending(cx)); { JS::Rooted conversionScope(cx, isXray ? JS::CurrentGlobalOrNull(cx) : slotStorage); JSAutoRealm ar(cx, conversionScope); do { // block we break out of when done wrapping uint32_t length = result.Length(); JS::Rooted returnArray(cx, JS::NewArrayObject(cx, length)); if (!returnArray) { return false; } // Scope for 'tmp' { JS::Rooted tmp(cx); for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) { // Control block to let us common up the JS_DefineElement calls when there // are different ways to succeed at wrapping the object. do { if (!xpc::NonVoidStringToJsval(cx, result[sequenceIdx0], &tmp)) { return false; } break; } while (false); if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp, JSPROP_ENUMERATE)) { return false; } } } args.rval().setObject(*returnArray); break; } while (false); JS::Rooted rvalObj(cx, &args.rval().toObject()); if (!JS_FreezeObject(cx, rvalObj)) { return false; } } { // And now store things in the realm of our slotStorage. JSAutoRealm ar(cx, slotStorage); // Make a copy so that we don't do unnecessary wrapping on args.rval(). JS::Rooted storedVal(cx, args.rval()); if (!MaybeWrapNonDOMObjectValue(cx, &storedVal)) { return false; } JS::SetNativeObjectReservedSlot(slotStorage, slotIndex, storedVal); if (!isXray) { // In the Xray case we don't need to do this, because getting the // expando object already preserved our wrapper. PreserveWrapper(self); } } // And now make sure args.rval() is in the caller realm. return MaybeWrapNonDOMObjectValue(cx, args.rval()); } static const JSJitInfo types_getterinfo = { { get_types }, { prototypes::id::ClipboardItem }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ true, /* isMovable. Not relevant for setters. */ true, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ true, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ (DOM_INSTANCE_RESERVED_SLOTS + 0) /* Reserved slot index, if we're stored in a slot, else 0. */ }; static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) <= JSJitInfo::maxSlotIndex, "We won't fit"); static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) < 2, "There is no slot for us"); MOZ_CAN_RUN_SCRIPT static bool getType(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ClipboardItem", "getType", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); if (!args.requireAtLeast(cx, "ClipboardItem.getType", 1)) { return false; } nsAutoString arg0; if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { return false; } FastErrorResult rv; auto result(StrongOrRawPtr(MOZ_KnownLive(self)->GetType(NonNullHelper(Constify(arg0)), rv))); if (rv.MaybeSetPendingException(cx, "ClipboardItem.getType")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!ToJSValue(cx, result, args.rval())) { return false; } return true; } MOZ_CAN_RUN_SCRIPT static bool getType_promiseWrapper(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { bool ok = getType(cx, obj, void_self, args); if (ok) { return true; } return ConvertExceptionToPromise(cx, args.rval()); } static const JSJitInfo getType_methodinfo = { { (JSJitGetterOp)getType_promiseWrapper }, { prototypes::id::ClipboardItem }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_OBJECT, /* 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 supports(JSContext* cx, unsigned argc, JS::Value* vp) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ClipboardItem", "supports", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); JS::CallArgs args = JS::CallArgsFromVp(argc, vp); JS::Rooted obj(cx, &args.callee()); if (!args.requireAtLeast(cx, "ClipboardItem.supports", 1)) { return false; } GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj)); if (global.Failed()) { return false; } nsAutoString arg0; if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { return false; } bool result(mozilla::dom::ClipboardItem::Supports(global, NonNullHelper(Constify(arg0)))); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setBoolean(result); return true; } static void _finalize(JS::GCContext* gcx, JSObject* obj) { mozilla::dom::ClipboardItem* 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 sStaticMethods_specs[] = { JS_FNSPEC("supports", supports, nullptr, 1, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const PrefableDisablers sStaticMethods_disablers0 = { WebIDLPrefIndex::NoPref, 0, true, OriginTrial(0), nullptr }; static const Prefable sStaticMethods[] = { { &sStaticMethods_disablers0, &sStaticMethods_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 JSFunctionSpec sMethods_specs[] = { JS_FNSPEC("getType", (GenericMethod), reinterpret_cast(&getType_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const PrefableDisablers sMethods_disablers0 = { WebIDLPrefIndex::NoPref, 0, true, OriginTrial(0), nullptr }; static const Prefable sMethods[] = { { &sMethods_disablers0, &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("presentationStyle", JSPROP_ENUMERATE, GenericGetter, &presentationStyle_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("types", JSPROP_ENUMERATE, GenericGetter, &types_getterinfo, nullptr, nullptr), JS_PS_END }; static const PrefableDisablers sAttributes_disablers0 = { WebIDLPrefIndex::NoPref, 0, true, OriginTrial(0), nullptr }; static const Prefable sAttributes[] = { { &sAttributes_disablers0, &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(2 <= 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[4]; static PropertyInfo sNativeProperties_propertyInfos[4]; static const NativePropertiesN<3> sNativeProperties = { true, 0 /* sStaticMethods */, false, 0, true, 1 /* sMethods */, true, 2 /* sAttributes */, false, 0, false, 0, false, 0, -1, 4, sNativeProperties_sortedPropertyIndices, { { sStaticMethods, &sNativeProperties_propertyInfos[0] }, { sMethods, &sNativeProperties_propertyInfos[1] }, { sAttributes, &sNativeProperties_propertyInfos[2] } } }; static_assert(4 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); // This may allocate too many slots, because we only really need // slots for our non-interface-typed members that we cache. But // allocating slots only for those would make the slot index // computations much more complicated, so let's do this the simple // way for now. DEFINE_XRAY_EXPANDO_CLASS_WITH_OPS(static, sXrayExpandoObjectClass, 1, &xpc::XrayExpandoObjectClassOps); bool sNativePropertiesInited = false; const NativePropertyHooks sNativePropertyHooks = { nullptr, { sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited }, prototypes::id::ClipboardItem, constructors::id::ClipboardItem, &sXrayExpandoObjectClass }; static bool _constructor(JSContext* cx_, unsigned argc, JS::Value* vp) { BindingCallContext cx(cx_, "ClipboardItem constructor"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "ClipboardItem", "constructor", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); JS::CallArgs args = JS::CallArgsFromVp(argc, vp); JS::Rooted obj(cx, &args.callee()); if (!args.isConstructing()) { return ThrowConstructorWithoutNew(cx, "ClipboardItem"); } JS::Rooted desiredProto(cx); if (!GetDesiredProto(cx, args, prototypes::id::ClipboardItem, CreateInterfaceObjects, &desiredProto)) { return false; } if (!args.requireAtLeast(cx, "ClipboardItem constructor", 1)) { return false; } GlobalObject global(cx, obj); if (global.Failed()) { return false; } bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); Record> arg0; if (args[0].isObject()) { auto& recordEntries = arg0.Entries(); JS::Rooted recordObj(cx, &args[0].toObject()); JS::RootedVector ids(cx); if (!js::GetPropertyKeys(cx, recordObj, JSITER_OWNONLY | JSITER_HIDDEN | JSITER_SYMBOLS, &ids)) { return false; } if (!recordEntries.SetCapacity(ids.length(), mozilla::fallible)) { JS_ReportOutOfMemory(cx); return false; } JS::Rooted propNameValue(cx); JS::Rooted temp(cx); JS::Rooted curId(cx); JS::Rooted idVal(cx); // Use a hashset to keep track of ids seen, to avoid // introducing nasty O(N^2) behavior scanning for them all the // time. Ideally we'd use a data structure with O(1) lookup // _and_ ordering for the MozMap, but we don't have one lying // around. nsTHashtable idsSeen; for (size_t i = 0; i < ids.length(); ++i) { curId = ids[i]; JS::Rooted> desc(cx); if (!JS_GetOwnPropertyDescriptorById(cx, recordObj, curId, &desc)) { return false; } if (desc.isNothing() || !desc->enumerable()) { continue; } idVal = js::IdToValue(curId); nsString propName; // This will just throw if idVal is a Symbol, like the spec says // to do. if (!ConvertJSValueToString(cx, idVal, "key of argument 1", propName)) { return false; } if (!JS_GetPropertyById(cx, recordObj, curId, &temp)) { return false; } Record>::EntryType* entry; if (!idsSeen.EnsureInserted(propName)) { // Find the existing entry. auto idx = recordEntries.IndexOf(propName); MOZ_ASSERT(idx != recordEntries.NoIndex, "Why is it not found?"); // Now blow it away to make it look like it was just added // to the array, because it's not obvious that it's // safe to write to its already-initialized mValue via our // normal codegen conversions. For example, the value // could be a union and this would change its type, but // codegen assumes we won't do that. entry = recordEntries.ReconstructElementAt(idx); } else { // Safe to do an infallible append here, because we did a // SetCapacity above to the right capacity. entry = recordEntries.AppendElement(); } entry->mKey = propName; OwningNonNull& slot = entry->mValue; { // Scope for our GlobalObject, FastErrorResult, JSAutoRealm, // etc. JS::Rooted globalObj(cx); globalObj = JS::CurrentGlobalOrNull(cx); JSAutoRealm ar(cx, globalObj); GlobalObject promiseGlobal(cx, globalObj); if (promiseGlobal.Failed()) { return false; } JS::Rooted valueToResolve(cx, temp); if (!JS_WrapValue(cx, &valueToResolve)) { return false; } binding_detail::FastErrorResult promiseRv; nsCOMPtr global = do_QueryInterface(promiseGlobal.GetAsSupports()); if (!global) { promiseRv.Throw(NS_ERROR_UNEXPECTED); MOZ_ALWAYS_TRUE(promiseRv.MaybeSetPendingException(cx)); return false; } slot = Promise::Resolve(global, cx, valueToResolve, promiseRv); if (promiseRv.MaybeSetPendingException(cx)) { return false; } } } } else { cx.ThrowErrorMessage("Argument 1"); return false; } binding_detail::FastClipboardItemOptions arg1; if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2", false)) { return false; } Maybe ar; if (objIsXray) { // Since our object is an Xray, we can just CheckedUnwrapStatic: // we know Xrays have no dynamic unwrap behavior. obj = js::CheckedUnwrapStatic(obj); if (!obj) { return false; } ar.emplace(cx, obj); if (!JS_WrapObject(cx, &desiredProto)) { return false; } } FastErrorResult rv; auto result(StrongOrRawPtr(mozilla::dom::ClipboardItem::Constructor(global, Constify(arg0), Constify(arg1), rv))); if (rv.MaybeSetPendingException(cx, "ClipboardItem constructor")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const DOMInterfaceInfo sInterfaceObjectInfo = { { _constructor, &sNativePropertyHooks }, JS::GetRealmFunctionPrototypeHandle, PrototypeTraits::Depth, prototypes::id::ClipboardItem, true, 1, "ClipboardItem", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "ClipboardItemPrototype", 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::ClipboardItem, PrototypeTraits::Depth, &sNativePropertyHooks, JS::GetRealmObjectPrototype }; bool ConstructorEnabled(JSContext* aCx, JS::Handle aObj) { return mozilla::dom::IsSecureContextOrObjectIsFromSecureContext(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 = { { "ClipboardItem", JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(2) | JSCLASS_PRESERVES_WRAPPER, &sClassOps, JS_NULL_CLASS_SPEC, &NativeTypeHelpers::sClassExtension, JS_NULL_OBJECT_OPS }, { prototypes::id::ClipboardItem, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, 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(2 >= 2, "Must have enough reserved slots."); bool Wrap(JSContext* aCx, mozilla::dom::ClipboardItem* 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(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 ClearCachedTypesValue(mozilla::dom::ClipboardItem* aObject) { JSObject* obj; obj = aObject->GetWrapper(); if (!obj) { return; } JS::SetNativeObjectReservedSlot(obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), JS::UndefinedValue()); ClearXrayExpandoSlots(RootingCx(), obj, (DOM_EXPANDO_RESERVED_SLOTS + 0)); } void CreateInterfaceObjects(JSContext* aCx, JS::Handle aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal) { JS::Heap* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ClipboardItem); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ClipboardItem); JS::Handle parentProto(JS::GetRealmObjectPrototypeHandle(aCx)); if (!parentProto) { return; } JS::Handle constructorProto(JS::GetRealmFunctionPrototypeHandle(aCx)); if (!constructorProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, constructorProto, &sInterfaceObjectInfo, 1, false, Span{}, interfaceCache, sNativeProperties.Upcast(), nullptr, "ClipboardItem", 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::ClipboardItem, &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::ClipboardItem, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace ClipboardItem_Binding } // namespace dom } // namespace mozilla