Copy as Markdown
Other Tools
/* THIS FILE IS AUTOGENERATED FROM FileSystemWritableFileStream.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "AtomList.h"
#include "FileSystemWritableFileStreamBinding.h"
#include "MainThreadUtils.h"
#include "WrapperFactory.h"
#include "WritableStreamBinding.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 "jsfriendapi.h"
#include "mozilla/Atomics.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/StaticPrefs_dom.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Blob.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/FileSystemWritableFileStream.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/RootedDictionary.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/dom/WebIDLPrefs.h"
#include "mozilla/dom/XrayExpandoClass.h"
namespace mozilla {
namespace dom {
namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;
namespace binding_detail {
const nsLiteralCString EnumStrings<WriteCommandType>::Values[3] = {
"write"_ns,
"seek"_ns,
"truncate"_ns,
};
} // namespace binding_detail
bool
ToJSValue(JSContext* aCx, WriteCommandType aArgument, JS::MutableHandle<JS::Value> aValue)
{
MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(binding_detail::EnumStrings<WriteCommandType>::Values));
JSString* resultStr =
JS_NewStringCopyN(aCx, binding_detail::EnumStrings<WriteCommandType>::Values[uint32_t(aArgument)].BeginReading(),
binding_detail::EnumStrings<WriteCommandType>::Values[uint32_t(aArgument)].Length());
if (!resultStr) {
return false;
}
aValue.setString(resultStr);
return true;
}
void
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams& aUnion, const char* aName, uint32_t aFlags)
{
if (aUnion.IsBlob()) {
ImplCycleCollectionTraverse(aCallback, aUnion.GetAsBlob(), "mBlob", aFlags);
} else if (aUnion.IsWriteParams()) {
ImplCycleCollectionTraverse(aCallback, aUnion.GetAsWriteParams(), "mWriteParams", aFlags);
}
}
void
ImplCycleCollectionUnlink(OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams& aUnion)
{
aUnion.Uninit();
}
WriteParams::WriteParams()
{
// Safe to pass a null context if we pass a null value
Init(nullptr, JS::NullHandleValue);
}
bool
WriteParams::InitIds(JSContext* cx, WriteParamsAtoms* atomsCache)
{
MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());
// Initialize these in reverse order so that any failure leaves the first one
// uninitialized.
if (!atomsCache->type_id.init(cx, "type") ||
!atomsCache->size_id.init(cx, "size") ||
!atomsCache->position_id.init(cx, "position") ||
!atomsCache->data_id.init(cx, "data")) {
return false;
}
return true;
}
bool
WriteParams::Init(BindingCallContext& cx, JS::Handle<JS::Value> 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());
WriteParamsAtoms* atomsCache = nullptr;
if (cx) {
atomsCache = GetAtomCache<WriteParamsAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
}
if (!IsConvertibleToDictionary(val)) {
return cx.ThrowErrorMessage<MSG_CONVERSION_ERROR>(sourceDescription, "dictionary");
}
bool isNull = val.isNullOrUndefined();
// We only need these if !isNull, in which case we have |cx|.
Maybe<JS::Rooted<JSObject *> > object;
Maybe<JS::Rooted<JS::Value> > temp;
if (!isNull) {
MOZ_ASSERT(cx);
object.emplace(cx, &val.toObject());
temp.emplace(cx);
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->data_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
mData.Construct();
if (temp.ref().isNullOrUndefined()) {
(mData.Value()).SetNull();
} else {
if (!(mData.Value()).SetValue().Init(cx, temp.ref(), "'data' member of WriteParams", passedToJSImpl)) {
return false;
}
}
mIsAnyMemberPresent = true;
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->position_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
mPosition.Construct();
if (temp.ref().isNullOrUndefined()) {
(mPosition.Value()).SetNull();
} else if (!ValueToPrimitive<uint64_t, eDefault>(cx, temp.ref(), "'position' member of WriteParams", &(mPosition.Value()).SetValue())) {
return false;
}
mIsAnyMemberPresent = true;
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->size_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
mSize.Construct();
if (temp.ref().isNullOrUndefined()) {
(mSize.Value()).SetNull();
} else if (!ValueToPrimitive<uint64_t, eDefault>(cx, temp.ref(), "'size' member of WriteParams", &(mSize.Value()).SetValue())) {
return false;
}
mIsAnyMemberPresent = true;
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->type_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
{
int index;
if (!binding_detail::FindEnumStringIndex<true>(cx, temp.ref(),
binding_detail::EnumStrings<WriteCommandType>::Values,
"WriteCommandType", "'type' member of WriteParams",
&index)) {
return false;
}
MOZ_ASSERT(index >= 0);
mType = static_cast<WriteCommandType>(index);
}
mIsAnyMemberPresent = true;
} else if (cx) {
// Don't error out if we have no cx. In that
// situation the caller is default-constructing us and we'll
// just assume they know what they're doing.
return cx.ThrowErrorMessage<MSG_MISSING_REQUIRED_DICTIONARY_MEMBER>("'type' member of WriteParams");
}
return true;
}
bool
WriteParams::Init(JSContext* cx_, JS::Handle<JS::Value> 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);
}
bool
WriteParams::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
WriteParamsAtoms* atomsCache = GetAtomCache<WriteParamsAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
if (!obj) {
return false;
}
rval.set(JS::ObjectValue(*obj));
if (mData.WasPassed()) {
do {
// block for our 'break' successCode and scope for 'temp' and 'currentValue'
JS::Rooted<JS::Value> temp(cx);
Nullable<OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8String > const & currentValue = mData.InternalValue();
if (currentValue.IsNull()) {
temp.setNull();
if (!JS_DefinePropertyById(cx, obj, atomsCache->data_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
}
if (!currentValue.Value().ToJSVal(cx, obj, &temp)) {
return false;
}
if (!JS_DefinePropertyById(cx, obj, atomsCache->data_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
} while(false);
}
if (mPosition.WasPassed()) {
do {
// block for our 'break' successCode and scope for 'temp' and 'currentValue'
JS::Rooted<JS::Value> temp(cx);
Nullable<uint64_t> const & currentValue = mPosition.InternalValue();
if (currentValue.IsNull()) {
temp.setNull();
if (!JS_DefinePropertyById(cx, obj, atomsCache->position_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
}
temp.set(JS_NumberValue(double(currentValue.Value())));
if (!JS_DefinePropertyById(cx, obj, atomsCache->position_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
} while(false);
}
if (mSize.WasPassed()) {
do {
// block for our 'break' successCode and scope for 'temp' and 'currentValue'
JS::Rooted<JS::Value> temp(cx);
Nullable<uint64_t> const & currentValue = mSize.InternalValue();
if (currentValue.IsNull()) {
temp.setNull();
if (!JS_DefinePropertyById(cx, obj, atomsCache->size_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
}
temp.set(JS_NumberValue(double(currentValue.Value())));
if (!JS_DefinePropertyById(cx, obj, atomsCache->size_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
} while(false);
}
do {
// block for our 'break' successCode and scope for 'temp' and 'currentValue'
JS::Rooted<JS::Value> temp(cx);
WriteCommandType const & currentValue = mType;
if (!ToJSValue(cx, currentValue, &temp)) {
return false;
}
if (!JS_DefinePropertyById(cx, obj, atomsCache->type_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
} while(false);
return true;
}
void
WriteParams::TraceDictionary(JSTracer* trc)
{
if (mData.WasPassed()) {
if (!mData.Value().IsNull()) {
mData.Value().Value().TraceUnion(trc);
}
}
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToArrayBufferView(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
RootedSpiderMonkeyInterface<ArrayBufferView>& memberSlot = RawSetAsArrayBufferView(cx);
if (!memberSlot.Init(&value.toObject())) {
DestroyArrayBufferView();
tryNext = true;
return true;
}
if (JS::IsArrayBufferViewShared(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_SHARED>("ArrayBufferView branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
if (JS::IsLargeArrayBufferView(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_LARGE>("ArrayBufferView branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
if (JS::IsResizableArrayBufferView(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_RESIZABLE>("ArrayBufferView branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
}
return true;
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToArrayBufferView(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToArrayBufferView(cx, value, tryNext, passedToJSImpl);
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToArrayBuffer(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
RootedSpiderMonkeyInterface<ArrayBuffer>& memberSlot = RawSetAsArrayBuffer(cx);
if (!memberSlot.Init(&value.toObject())) {
DestroyArrayBuffer();
tryNext = true;
return true;
}
if (JS::IsSharedArrayBufferObject(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_SHARED>("ArrayBuffer branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
if (JS::IsLargeArrayBufferMaybeShared(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_LARGE>("ArrayBuffer branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
if (JS::IsResizableArrayBufferMaybeShared(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_RESIZABLE>("ArrayBuffer branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
}
return true;
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToArrayBuffer(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToArrayBuffer(cx, value, tryNext, passedToJSImpl);
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToBlob(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
NonNull<mozilla::dom::Blob>& memberSlot = RawSetAsBlob();
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyBlob();
tryNext = true;
return true;
}
}
}
return true;
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToBlob(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToBlob(cx, value, tryNext, passedToJSImpl);
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToUTF8String(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
binding_detail::FakeString<char>& memberSlot = RawSetAsUTF8String();
if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) {
return false;
}
}
return true;
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToWriteParams(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
RootedDictionary<binding_detail::FastWriteParams>& memberSlot = RawSetAsWriteParams(cx);
if (!IsConvertibleToDictionary(value)) {
DestroyWriteParams();
tryNext = true;
return true;
}
if (!memberSlot.Init(cx, value, "WriteParams branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)", passedToJSImpl)) {
return false;
}
}
return true;
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToWriteParams(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToWriteParams(cx, value, tryNext, passedToJSImpl);
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::Init(BindingCallContext& cx, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
MOZ_ASSERT(mType == eUninitialized);
bool done = false, failed = false, tryNext;
if (value.isObject()) {
done = (failed = !TrySetToArrayBufferView(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToArrayBuffer(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToBlob(cx, value, tryNext, passedToJSImpl)) || !tryNext;
}
if (!done) {
done = (failed = !TrySetToWriteParams(cx, value, tryNext, passedToJSImpl)) || !tryNext;
}
if (!done) {
do {
done = (failed = !TrySetToUTF8String(cx, value, tryNext)) || !tryNext;
break;
} while (false);
}
if (failed) {
return false;
}
if (!done) {
cx.ThrowErrorMessage<MSG_NOT_IN_UNION>(sourceDescription, "ArrayBufferView, ArrayBuffer, Blob, WriteParams");
return false;
}
return true;
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::Init(JSContext* cx_, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return Init(cx, value, sourceDescription, passedToJSImpl);
}
bool
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
switch (mType) {
case eUninitialized: {
return false;
}
case eArrayBufferView: {
rval.setObject(*mValue.mArrayBufferView.Value().Obj());
if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
return false;
}
return true;
}
case eArrayBuffer: {
rval.setObject(*mValue.mArrayBuffer.Value().Obj());
if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
return false;
}
return true;
}
case eBlob: {
if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eUTF8String: {
if (!NonVoidUTF8StringToJsval(cx, mValue.mUTF8String.Value(), rval)) {
return false;
}
return true;
}
case eWriteParams: {
if (!mValue.mWriteParams.Value().ToObjectInternal(cx, rval)) {
return false;
}
return true;
}
default: {
return false;
}
}
}
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams(OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams&& aOther)
: mType(eUninitialized)
{
switch (aOther.mType) {
case eUninitialized: {
MOZ_ASSERT(mType == eUninitialized,
"We need to destroy ourselves?");
break;
}
case eArrayBufferView: {
mType = eArrayBufferView;
mValue.mArrayBufferView.SetValue(std::move(aOther.mValue.mArrayBufferView.Value()));
break;
}
case eArrayBuffer: {
mType = eArrayBuffer;
mValue.mArrayBuffer.SetValue(std::move(aOther.mValue.mArrayBuffer.Value()));
break;
}
case eBlob: {
mType = eBlob;
mValue.mBlob.SetValue(std::move(aOther.mValue.mBlob.Value()));
break;
}
case eUTF8String: {
mType = eUTF8String;
mValue.mUTF8String.SetValue(std::move(aOther.mValue.mUTF8String.Value()));
break;
}
case eWriteParams: {
mType = eWriteParams;
mValue.mWriteParams.SetValue(std::move(aOther.mValue.mWriteParams.Value()));
break;
}
}
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToArrayBufferView(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
ArrayBufferView& memberSlot = RawSetAsArrayBufferView();
if (!memberSlot.Init(&value.toObject())) {
DestroyArrayBufferView();
tryNext = true;
return true;
}
if (JS::IsArrayBufferViewShared(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_SHARED>("ArrayBufferView branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
if (JS::IsLargeArrayBufferView(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_LARGE>("ArrayBufferView branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
if (JS::IsResizableArrayBufferView(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_RESIZABLE>("ArrayBufferView branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
}
return true;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToArrayBufferView(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToArrayBufferView(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] ArrayBufferView&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::RawSetAsArrayBufferView()
{
if (mType == eArrayBufferView) {
return mValue.mArrayBufferView.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eArrayBufferView;
return mValue.mArrayBufferView.SetValue();
}
[[nodiscard]] ArrayBufferView&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::SetAsArrayBufferView()
{
if (mType == eArrayBufferView) {
return mValue.mArrayBufferView.Value();
}
Uninit();
mType = eArrayBufferView;
return mValue.mArrayBufferView.SetValue();
}
void
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::DestroyArrayBufferView()
{
MOZ_RELEASE_ASSERT(IsArrayBufferView(), "Wrong type!");
mValue.mArrayBufferView.Destroy();
mType = eUninitialized;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToArrayBuffer(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
ArrayBuffer& memberSlot = RawSetAsArrayBuffer();
if (!memberSlot.Init(&value.toObject())) {
DestroyArrayBuffer();
tryNext = true;
return true;
}
if (JS::IsSharedArrayBufferObject(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_SHARED>("ArrayBuffer branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
if (JS::IsLargeArrayBufferMaybeShared(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_LARGE>("ArrayBuffer branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
if (JS::IsResizableArrayBufferMaybeShared(memberSlot.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_RESIZABLE>("ArrayBuffer branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)");
return false;
}
}
return true;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToArrayBuffer(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToArrayBuffer(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] ArrayBuffer&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::RawSetAsArrayBuffer()
{
if (mType == eArrayBuffer) {
return mValue.mArrayBuffer.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eArrayBuffer;
return mValue.mArrayBuffer.SetValue();
}
[[nodiscard]] ArrayBuffer&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::SetAsArrayBuffer()
{
if (mType == eArrayBuffer) {
return mValue.mArrayBuffer.Value();
}
Uninit();
mType = eArrayBuffer;
return mValue.mArrayBuffer.SetValue();
}
void
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::DestroyArrayBuffer()
{
MOZ_RELEASE_ASSERT(IsArrayBuffer(), "Wrong type!");
mValue.mArrayBuffer.Destroy();
mType = eUninitialized;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToBlob(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
OwningNonNull<mozilla::dom::Blob>& memberSlot = RawSetAsBlob();
static_assert(IsRefcounted<mozilla::dom::Blob>::value, "We can only store refcounted classes.");
{
// Our JSContext should be in the right global to do unwrapping in.
nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(value, memberSlot, cx);
if (NS_FAILED(rv)) {
DestroyBlob();
tryNext = true;
return true;
}
}
}
return true;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToBlob(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToBlob(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] OwningNonNull<mozilla::dom::Blob>&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::RawSetAsBlob()
{
if (mType == eBlob) {
return mValue.mBlob.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eBlob;
return mValue.mBlob.SetValue();
}
[[nodiscard]] OwningNonNull<mozilla::dom::Blob>&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::SetAsBlob()
{
if (mType == eBlob) {
return mValue.mBlob.Value();
}
Uninit();
mType = eBlob;
return mValue.mBlob.SetValue();
}
void
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::DestroyBlob()
{
MOZ_RELEASE_ASSERT(IsBlob(), "Wrong type!");
mValue.mBlob.Destroy();
mType = eUninitialized;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToUTF8String(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
nsCString& memberSlot = RawSetAsUTF8String();
if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) {
return false;
}
}
return true;
}
[[nodiscard]] nsCString&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::RawSetAsUTF8String()
{
if (mType == eUTF8String) {
return mValue.mUTF8String.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eUTF8String;
return mValue.mUTF8String.SetValue();
}
[[nodiscard]] nsCString&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::SetAsUTF8String()
{
if (mType == eUTF8String) {
return mValue.mUTF8String.Value();
}
Uninit();
mType = eUTF8String;
return mValue.mUTF8String.SetValue();
}
void
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::DestroyUTF8String()
{
MOZ_RELEASE_ASSERT(IsUTF8String(), "Wrong type!");
mValue.mUTF8String.Destroy();
mType = eUninitialized;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToWriteParams(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
tryNext = false;
{ // scope for memberSlot
WriteParams& memberSlot = RawSetAsWriteParams();
if (!IsConvertibleToDictionary(value)) {
DestroyWriteParams();
tryNext = true;
return true;
}
if (!memberSlot.Init(cx, value, "WriteParams branch of ((ArrayBufferView or ArrayBuffer) or Blob or USVString or WriteParams)", passedToJSImpl)) {
return false;
}
}
return true;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TrySetToWriteParams(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return TrySetToWriteParams(cx, value, tryNext, passedToJSImpl);
}
[[nodiscard]] WriteParams&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::RawSetAsWriteParams()
{
if (mType == eWriteParams) {
return mValue.mWriteParams.Value();
}
MOZ_ASSERT(mType == eUninitialized);
mType = eWriteParams;
return mValue.mWriteParams.SetValue();
}
[[nodiscard]] WriteParams&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::SetAsWriteParams()
{
if (mType == eWriteParams) {
return mValue.mWriteParams.Value();
}
Uninit();
mType = eWriteParams;
return mValue.mWriteParams.SetValue();
}
void
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::DestroyWriteParams()
{
MOZ_RELEASE_ASSERT(IsWriteParams(), "Wrong type!");
mValue.mWriteParams.Destroy();
mType = eUninitialized;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::Init(BindingCallContext& cx, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
MOZ_ASSERT(mType == eUninitialized);
bool done = false, failed = false, tryNext;
if (value.isObject()) {
done = (failed = !TrySetToArrayBufferView(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToArrayBuffer(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
(failed = !TrySetToBlob(cx, value, tryNext, passedToJSImpl)) || !tryNext;
}
if (!done) {
done = (failed = !TrySetToWriteParams(cx, value, tryNext, passedToJSImpl)) || !tryNext;
}
if (!done) {
do {
done = (failed = !TrySetToUTF8String(cx, value, tryNext)) || !tryNext;
break;
} while (false);
}
if (failed) {
return false;
}
if (!done) {
cx.ThrowErrorMessage<MSG_NOT_IN_UNION>(sourceDescription, "ArrayBufferView, ArrayBuffer, Blob, WriteParams");
return false;
}
return true;
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::Init(JSContext* cx_, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
BindingCallContext cx(cx_, nullptr);
return Init(cx, value, sourceDescription, passedToJSImpl);
}
void
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::Uninit()
{
switch (mType) {
case eUninitialized: {
break;
}
case eArrayBufferView: {
DestroyArrayBufferView();
break;
}
case eArrayBuffer: {
DestroyArrayBuffer();
break;
}
case eBlob: {
DestroyBlob();
break;
}
case eUTF8String: {
DestroyUTF8String();
break;
}
case eWriteParams: {
DestroyWriteParams();
break;
}
}
}
bool
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
switch (mType) {
case eUninitialized: {
return false;
}
case eArrayBufferView: {
rval.setObject(*mValue.mArrayBufferView.Value().Obj());
if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
return false;
}
return true;
}
case eArrayBuffer: {
rval.setObject(*mValue.mArrayBuffer.Value().Obj());
if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
return false;
}
return true;
}
case eBlob: {
if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
case eUTF8String: {
if (!NonVoidUTF8StringToJsval(cx, mValue.mUTF8String.Value(), rval)) {
return false;
}
return true;
}
case eWriteParams: {
if (!mValue.mWriteParams.Value().ToObjectInternal(cx, rval)) {
return false;
}
return true;
}
default: {
return false;
}
}
}
void
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::TraceUnion(JSTracer* trc)
{
switch (mType) {
case eArrayBufferView: {
mValue.mArrayBufferView.Value().TraceSelf(trc);
break;
}
case eArrayBuffer: {
mValue.mArrayBuffer.Value().TraceSelf(trc);
break;
}
case eWriteParams: {
mValue.mWriteParams.Value().TraceDictionary(trc);
break;
}
default: {
}
}
}
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams&
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams::operator=(OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams&& aOther)
{
this->~OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams();
new (this) OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams (std::move(aOther));
return *this;
}
namespace FileSystemWritableFileStream_Binding {
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<WritableStream_Binding::NativeType>::value,
"Can't inherit from an interface with a different ownership model.");
MOZ_CAN_RUN_SCRIPT static bool
write(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
BindingCallContext cx(cx_, "FileSystemWritableFileStream.write");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"FileSystemWritableFileStream", "write", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::FileSystemWritableFileStream*>(void_self);
if (!args.requireAtLeast(cx, "FileSystemWritableFileStream.write", 1)) {
return false;
}
ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams arg0;
if (!arg0.Init(cx, args[0], "Argument 1", false)) {
return false;
}
FastErrorResult rv;
auto result(StrongOrRawPtr<Promise>(MOZ_KnownLive(self)->Write(Constify(arg0), rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "FileSystemWritableFileStream.write"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"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<JSObject*> 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::FileSystemWritableFileStream },
{ PrototypeTraits<prototypes::id::FileSystemWritableFileStream>::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
seek(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"FileSystemWritableFileStream", "seek", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::FileSystemWritableFileStream*>(void_self);
if (!args.requireAtLeast(cx, "FileSystemWritableFileStream.seek", 1)) {
return false;
}
uint64_t arg0;
if (!ValueToPrimitive<uint64_t, eDefault>(cx, args[0], "Argument 1", &arg0)) {
return false;
}
FastErrorResult rv;
auto result(StrongOrRawPtr<Promise>(MOZ_KnownLive(self)->Seek(arg0, rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "FileSystemWritableFileStream.seek"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"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
seek_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
bool ok = seek(cx, obj, void_self, args);
if (ok) {
return true;
}
return ConvertExceptionToPromise(cx, args.rval());
}
static const JSJitInfo seek_methodinfo = {
{ (JSJitGetterOp)seek_promiseWrapper },
{ prototypes::id::FileSystemWritableFileStream },
{ PrototypeTraits<prototypes::id::FileSystemWritableFileStream>::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
truncate(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"FileSystemWritableFileStream", "truncate", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::FileSystemWritableFileStream*>(void_self);
if (!args.requireAtLeast(cx, "FileSystemWritableFileStream.truncate", 1)) {
return false;
}
uint64_t arg0;
if (!ValueToPrimitive<uint64_t, eDefault>(cx, args[0], "Argument 1", &arg0)) {
return false;
}
FastErrorResult rv;
auto result(StrongOrRawPtr<Promise>(MOZ_KnownLive(self)->Truncate(arg0, rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "FileSystemWritableFileStream.truncate"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"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
truncate_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
bool ok = truncate(cx, obj, void_self, args);
if (ok) {
return true;
}
return ConvertExceptionToPromise(cx, args.rval());
}
static const JSJitInfo truncate_methodinfo = {
{ (JSJitGetterOp)truncate_promiseWrapper },
{ prototypes::id::FileSystemWritableFileStream },
{ PrototypeTraits<prototypes::id::FileSystemWritableFileStream>::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 bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
mozilla::dom::FileSystemWritableFileStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FileSystemWritableFileStream>(obj);
// We don't want to preserve if we don't have a wrapper, and we
// obviously can't preserve if we're not initialized.
if (self && self->GetWrapperPreserveColor()) {
PreserveWrapper(self);
}
return true;
}
static void
_finalize(JS::GCContext* gcx, JSObject* obj)
{
mozilla::dom::FileSystemWritableFileStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FileSystemWritableFileStream>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, obj);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::FileSystemWritableFileStream>(self);
}
}
static nsWrapperCache*
_getWrapperCache(JS::Handle<JSObject*> obj)
{
mozilla::dom::FileSystemWritableFileStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FileSystemWritableFileStream>(obj);
return self;
}
static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
mozilla::dom::FileSystemWritableFileStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FileSystemWritableFileStream>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const JSFunctionSpec sMethods_specs[] = {
JS_FNSPEC("write", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&write_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("seek", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&seek_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("truncate", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&truncate_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FS_END
};
static const PrefableDisablers sMethods_disablers0 = {
WebIDLPrefIndex::NoPref, 0, true, OriginTrial(0), nullptr
};
static const Prefable<const JSFunctionSpec> 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(3 <= 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[3];
static PropertyInfo sNativeProperties_propertyInfos[3];
static const NativePropertiesN<1> sNativeProperties = {
false, 0,
false, 0,
true, 0 /* sMethods */,
false, 0,
false, 0,
false, 0,
false, 0,
-1,
3,
sNativeProperties_sortedPropertyIndices,
{
{ sMethods, &sNativeProperties_propertyInfos[0] }
}
};
static_assert(3 < 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::FileSystemWritableFileStream,
constructors::id::FileSystemWritableFileStream,
&DefaultXrayExpandoObjectClass
};
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ ThrowingConstructor, &sNativePropertyHooks },
WritableStream_Binding::GetConstructorObject,
prototypes::id::FileSystemWritableFileStream,
PrototypeTraits<prototypes::id::FileSystemWritableFileStream>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"FileSystemWritableFileStreamPrototype",
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::FileSystemWritableFileStream,
PrototypeTraits<prototypes::id::FileSystemWritableFileStream>::Depth,
&sNativePropertyHooks,
WritableStream_Binding::GetProtoObject
};
bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return StaticPrefs::dom_fs_enabled() &&
mozilla::dom::IsSecureContextOrObjectIsFromSecureContext(aCx, aObj);
}
static const JSClassOps sClassOps = {
_addProperty, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
_objectMoved /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "FileSystemWritableFileStream",
JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
&sClassOps,
JS_NULL_CLASS_SPEC,
&sClassExtension,
JS_NULL_OBJECT_OPS
},
{ prototypes::id::WritableStream, prototypes::id::FileSystemWritableFileStream, 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<nsISupports, mozilla::dom::FileSystemWritableFileStream>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::FileSystemWritableFileStream>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::FileSystemWritableFileStream>::Get(),
nullptr,
_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::FileSystemWritableFileStream* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::FileSystemWritableFileStream>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::FileSystemWritableFileStream*>);
MOZ_ASSERT(static_cast<mozilla::dom::WritableStream*>(aObject) ==
reinterpret_cast<mozilla::dom::WritableStream*>(aObject),
"Multiple inheritance for mozilla::dom::WritableStream 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<JSObject*> 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<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> 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<mozilla::dom::FileSystemWritableFileStream> 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<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::FileSystemWritableFileStream);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::FileSystemWritableFileStream);
JS::Handle<JSObject*> parentProto(WritableStream_Binding::GetProtoObjectHandle(aCx));
if (!parentProto) {
return;
}
JS::Handle<JSObject*> constructorProto(WritableStream_Binding::GetConstructorObjectHandle(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"FileSystemWritableFileStream", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace FileSystemWritableFileStream_Binding
} // namespace dom
} // namespace mozilla