/* THIS FILE IS AUTOGENERATED FROM MediaSource.webidl BY Codegen.py - DO NOT EDIT */ #include #include "EventHandlerBinding.h" #include "EventTargetBinding.h" #include "MainThreadUtils.h" #include "MediaSourceBinding.h" #include "WrapperFactory.h" #include "js/CallAndConstruct.h" #include "js/Exception.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/FloatingPoint.h" #include "mozilla/OwningNonNull.h" #include "mozilla/ProfilerLabels.h" #include "mozilla/StaticPrefs_media.h" #include "mozilla/dom/BindingCallContext.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/dom/DOMJSClass.h" #include "mozilla/dom/MediaSource.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/Nullable.h" #include "mozilla/dom/PrimitiveConversions.h" #include "mozilla/dom/Promise.h" #include "mozilla/dom/SourceBuffer.h" #include "mozilla/dom/SourceBufferList.h" #include "mozilla/dom/ToJSValue.h" #include "mozilla/dom/XrayExpandoClass.h" #include "nsContentUtils.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, MediaSourceReadyState 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 binding_detail { constexpr nsLiteralCString EnumStrings::Values[2]; } // namespace binding_detail bool ToJSValue(JSContext* aCx, MediaSourceEndOfStreamError 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 MediaSource_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_sourceBuffers(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "sourceBuffers", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); auto result(StrongOrRawPtr(MOZ_KnownLive(self)->SourceBuffers())); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!GetOrCreateDOMReflector(cx, result, args.rval())) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const JSJitInfo sourceBuffers_getterinfo = { { get_sourceBuffers }, { prototypes::id::MediaSource }, { PrototypeTraits::Depth }, JSJitInfo::Getter, 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 get_activeSourceBuffers(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "activeSourceBuffers", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); auto result(StrongOrRawPtr(MOZ_KnownLive(self)->ActiveSourceBuffers())); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!GetOrCreateDOMReflector(cx, result, args.rval())) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const JSJitInfo activeSourceBuffers_getterinfo = { { get_activeSourceBuffers }, { prototypes::id::MediaSource }, { PrototypeTraits::Depth }, JSJitInfo::Getter, 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 get_readyState(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "readyState", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); MediaSourceReadyState result(MOZ_KnownLive(self)->ReadyState()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!ToJSValue(cx, result, args.rval())) { return false; } return true; } static const JSJitInfo readyState_getterinfo = { { get_readyState }, { prototypes::id::MediaSource }, { 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_duration(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "duration", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); double result(MOZ_KnownLive(self)->Duration()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().set(JS::NumberValue(double(result))); return true; } MOZ_CAN_RUN_SCRIPT static bool set_duration(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "duration", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); double arg0; if (!ValueToPrimitive(cx, args[0], "Value being assigned", &arg0)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetDuration(arg0, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->SetDuration(arg0, rv); if (rv.MaybeSetPendingException(cx, "MediaSource.duration setter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo duration_getterinfo = { { get_duration }, { prototypes::id::MediaSource }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */ true, /* 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 duration_setterinfo = { { (JSJitGetterOp)set_duration }, { prototypes::id::MediaSource }, { 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 get_onsourceopen(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "onsourceopen", 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)->GetOnsourceopen()); 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_onsourceopen(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "onsourceopen", 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_vSetOnsourceopen(MOZ_KnownLive(Constify(arg0))))>, "Should be returning void here"); MOZ_KnownLive(self)->SetOnsourceopen(MOZ_KnownLive(Constify(arg0))); MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo onsourceopen_getterinfo = { { get_onsourceopen }, { prototypes::id::MediaSource }, { 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 onsourceopen_setterinfo = { { (JSJitGetterOp)set_onsourceopen }, { prototypes::id::MediaSource }, { 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 get_onsourceended(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "onsourceended", 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)->GetOnsourceended()); 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_onsourceended(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "onsourceended", 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_vSetOnsourceended(MOZ_KnownLive(Constify(arg0))))>, "Should be returning void here"); MOZ_KnownLive(self)->SetOnsourceended(MOZ_KnownLive(Constify(arg0))); MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo onsourceended_getterinfo = { { get_onsourceended }, { prototypes::id::MediaSource }, { 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 onsourceended_setterinfo = { { (JSJitGetterOp)set_onsourceended }, { prototypes::id::MediaSource }, { 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 get_onsourceclose(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "onsourceclose", 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)->GetOnsourceclose()); 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_onsourceclose(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "onsourceclose", 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_vSetOnsourceclose(MOZ_KnownLive(Constify(arg0))))>, "Should be returning void here"); MOZ_KnownLive(self)->SetOnsourceclose(MOZ_KnownLive(Constify(arg0))); MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo onsourceclose_getterinfo = { { get_onsourceclose }, { prototypes::id::MediaSource }, { 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 onsourceclose_setterinfo = { { (JSJitGetterOp)set_onsourceclose }, { prototypes::id::MediaSource }, { 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 addSourceBuffer(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "addSourceBuffer", 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, "MediaSource.addSourceBuffer", 1)) { return false; } nsAutoString arg0; if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { return false; } FastErrorResult rv; auto result(StrongOrRawPtr(MOZ_KnownLive(self)->AddSourceBuffer(NonNullHelper(Constify(arg0)), rv))); if (rv.MaybeSetPendingException(cx, "MediaSource.addSourceBuffer")) [[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())) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const JSJitInfo addSourceBuffer_methodinfo = { { (JSJitGetterOp)addSourceBuffer }, { prototypes::id::MediaSource }, { 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 removeSourceBuffer(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "MediaSource.removeSourceBuffer"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "removeSourceBuffer", 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, "MediaSource.removeSourceBuffer", 1)) { return false; } NonNull arg0; if (args[0].isObject()) { { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(args[0], arg0, cx); if (NS_FAILED(rv)) { cx.ThrowErrorMessage("Argument 1", "SourceBuffer"); return false; } } } else { cx.ThrowErrorMessage("Argument 1"); return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vRemoveSourceBuffer(MOZ_KnownLive(NonNullHelper(arg0)), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->RemoveSourceBuffer(MOZ_KnownLive(NonNullHelper(arg0)), rv); if (rv.MaybeSetPendingException(cx, "MediaSource.removeSourceBuffer")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo removeSourceBuffer_methodinfo = { { (JSJitGetterOp)removeSourceBuffer }, { prototypes::id::MediaSource }, { 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 endOfStream(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "MediaSource.endOfStream"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "endOfStream", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); Optional arg0; if (args.hasDefined(0)) { arg0.Construct(); { int index; if (!binding_detail::FindEnumStringIndex(cx, args[0], binding_detail::EnumStrings::Values, "MediaSourceEndOfStreamError", "argument 1", &index)) { return false; } MOZ_ASSERT(index >= 0); arg0.Value() = static_cast(index); } } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vEndOfStream(Constify(arg0), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->EndOfStream(Constify(arg0), rv); if (rv.MaybeSetPendingException(cx, "MediaSource.endOfStream")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo endOfStream_methodinfo = { { (JSJitGetterOp)endOfStream }, { prototypes::id::MediaSource }, { 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 setLiveSeekableRange(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "MediaSource.setLiveSeekableRange"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "setLiveSeekableRange", 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, "MediaSource.setLiveSeekableRange", 2)) { return false; } double arg0; if (!ValueToPrimitive(cx, args[0], "Argument 1", &arg0)) { return false; } else if (!std::isfinite(arg0)) { cx.ThrowErrorMessage("Argument 1"); return false; } double arg1; if (!ValueToPrimitive(cx, args[1], "Argument 2", &arg1)) { return false; } else if (!std::isfinite(arg1)) { cx.ThrowErrorMessage("Argument 2"); return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetLiveSeekableRange(arg0, arg1, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->SetLiveSeekableRange(arg0, arg1, rv); if (rv.MaybeSetPendingException(cx, "MediaSource.setLiveSeekableRange")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo setLiveSeekableRange_methodinfo = { { (JSJitGetterOp)setLiveSeekableRange }, { prototypes::id::MediaSource }, { 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 clearLiveSeekableRange(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "clearLiveSeekableRange", 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; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vClearLiveSeekableRange(rv))>, "Should be returning void here"); MOZ_KnownLive(self)->ClearLiveSeekableRange(rv); if (rv.MaybeSetPendingException(cx, "MediaSource.clearLiveSeekableRange")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo clearLiveSeekableRange_methodinfo = { { (JSJitGetterOp)clearLiveSeekableRange }, { prototypes::id::MediaSource }, { 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 isTypeSupported(JSContext* cx, unsigned argc, JS::Value* vp) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "isTypeSupported", 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, "MediaSource.isTypeSupported", 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::MediaSource::IsTypeSupported(global, NonNullHelper(Constify(arg0)))); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setBoolean(result); return true; } MOZ_CAN_RUN_SCRIPT static bool mozDebugReaderData(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "mozDebugReaderData", 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; auto result(StrongOrRawPtr(MOZ_KnownLive(self)->MozDebugReaderData(rv))); if (rv.MaybeSetPendingException(cx, "MediaSource.mozDebugReaderData")) [[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 mozDebugReaderData_promiseWrapper(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { bool ok = mozDebugReaderData(cx, obj, void_self, args); if (ok) { return true; } return ConvertExceptionToPromise(cx, args.rval()); } static const JSJitInfo mozDebugReaderData_methodinfo = { { (JSJitGetterOp)mozDebugReaderData_promiseWrapper }, { prototypes::id::MediaSource }, { 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::MediaSource* 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("isTypeSupported", isTypeSupported, nullptr, 1, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const Prefable sStaticMethods[] = { { nullptr, &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("addSourceBuffer", (GenericMethod), reinterpret_cast(&addSourceBuffer_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("removeSourceBuffer", (GenericMethod), reinterpret_cast(&removeSourceBuffer_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("endOfStream", (GenericMethod), reinterpret_cast(&endOfStream_methodinfo), 0, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("setLiveSeekableRange", (GenericMethod), reinterpret_cast(&setLiveSeekableRange_methodinfo), 2, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("clearLiveSeekableRange", (GenericMethod), reinterpret_cast(&clearLiveSeekableRange_methodinfo), 0, 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(5 <= 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 sChromeMethods_specs[] = { JS_FNSPEC("mozDebugReaderData", (GenericMethod), reinterpret_cast(&mozDebugReaderData_methodinfo), 0, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const Prefable sChromeMethods[] = { { nullptr, &sChromeMethods_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("sourceBuffers", JSPROP_ENUMERATE, GenericGetter, &sourceBuffers_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("activeSourceBuffers", JSPROP_ENUMERATE, GenericGetter, &activeSourceBuffers_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("readyState", JSPROP_ENUMERATE, GenericGetter, &readyState_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("duration", JSPROP_ENUMERATE, GenericGetter, &duration_getterinfo, GenericSetter, &duration_setterinfo), JSPropertySpec::nativeAccessors("onsourceopen", JSPROP_ENUMERATE, GenericGetter, &onsourceopen_getterinfo, GenericSetter, &onsourceopen_setterinfo), JSPropertySpec::nativeAccessors("onsourceended", JSPROP_ENUMERATE, GenericGetter, &onsourceended_getterinfo, GenericSetter, &onsourceended_setterinfo), JSPropertySpec::nativeAccessors("onsourceclose", JSPROP_ENUMERATE, GenericGetter, &onsourceclose_getterinfo, GenericSetter, &onsourceclose_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(7 <= 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[13]; static PropertyInfo sNativeProperties_propertyInfos[13]; static const NativePropertiesN<3> sNativeProperties = { true, 0 /* sStaticMethods */, false, 0, true, 1 /* sMethods */, true, 2 /* sAttributes */, false, 0, false, 0, false, 0, -1, 13, sNativeProperties_sortedPropertyIndices, { { sStaticMethods, &sNativeProperties_propertyInfos[0] }, { sMethods, &sNativeProperties_propertyInfos[1] }, { sAttributes, &sNativeProperties_propertyInfos[6] } } }; static_assert(13 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[1]; static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[1]; static const NativePropertiesN<1> sChromeOnlyNativeProperties = { false, 0, false, 0, true, 0 /* sChromeMethods */, false, 0, false, 0, false, 0, false, 0, -1, 1, sChromeOnlyNativeProperties_sortedPropertyIndices, { { sChromeMethods, &sChromeOnlyNativeProperties_propertyInfos[0] } } }; static_assert(1 < 1ull << (CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); bool sNativePropertiesInited = false; const NativePropertyHooks sNativePropertyHooks = { nullptr, { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast(), &sNativePropertiesInited }, prototypes::id::MediaSource, constructors::id::MediaSource, &DefaultXrayExpandoObjectClass }; static bool _constructor(JSContext* cx, unsigned argc, JS::Value* vp) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "MediaSource", "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, "MediaSource"); } JS::Rooted desiredProto(cx); if (!GetDesiredProto(cx, args, prototypes::id::MediaSource, CreateInterfaceObjects, &desiredProto)) { return false; } GlobalObject global(cx, obj); if (global.Failed()) { return false; } bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); 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::MediaSource::Constructor(global, rv))); if (rv.MaybeSetPendingException(cx, "MediaSource 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 }, EventTarget_Binding::GetConstructorObjectHandle, PrototypeTraits::Depth, prototypes::id::MediaSource, true, 0, "MediaSource", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "MediaSourcePrototype", 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::MediaSource, PrototypeTraits::Depth, &sNativePropertyHooks, EventTarget_Binding::GetProtoObject }; bool ConstructorEnabled(JSContext* aCx, JS::Handle aObj) { return StaticPrefs::media_mediasource_enabled(); } 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 = { { "MediaSource", 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::MediaSource, 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::MediaSource* 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::MediaSource); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MediaSource); 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(), sChromeOnlyNativeProperties.Upcast(), "MediaSource", 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::MediaSource, &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::MediaSource, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace MediaSource_Binding } // namespace dom } // namespace mozilla