/work/obj-fuzz/dom/bindings/MediaStreamBinding.cpp

Source (jump to first uncovered line)
/* THIS FILE IS AUTOGENERATED FROM MediaStream.webidl BY Codegen.py - DO NOT EDIT */

#include "AtomList.h"
#include "DOMMediaStream.h"
#include "EventHandlerBinding.h"
#include "EventTargetBinding.h"
#include "MediaStreamBinding.h"
#include "WrapperFactory.h"
#include "mozilla/FloatingPoint.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/dom/AudioStreamTrack.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/MediaStreamTrack.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/UnionConversions.h"
#include "mozilla/dom/VideoStreamTrack.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;


bool
BooleanOrMediaTrackConstraints::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eBoolean: {
      rval.setBoolean(mValue.mBoolean.Value());
      return true;
      break;
    }
    case eMediaTrackConstraints: {
      if (!mValue.mMediaTrackConstraints.Value().ToObjectInternal(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}


bool&
OwningBooleanOrMediaTrackConstraints::RawSetAsBoolean()
{
  if (mType == eBoolean) {
    return mValue.mBoolean.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eBoolean;
  return mValue.mBoolean.SetValue();
}

bool&
OwningBooleanOrMediaTrackConstraints::SetAsBoolean()
{
  if (mType == eBoolean) {
    return mValue.mBoolean.Value();
  }
  Uninit();
  mType = eBoolean;
  return mValue.mBoolean.SetValue();
}

bool
OwningBooleanOrMediaTrackConstraints::TrySetToBoolean(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    bool& memberSlot = RawSetAsBoolean();
    if (!ValueToPrimitive<bool, eDefault>(cx, value, &memberSlot)) {
      return false;
    }
  }
  return true;
}

void
OwningBooleanOrMediaTrackConstraints::DestroyBoolean()
{
  MOZ_ASSERT(IsBoolean(), "Wrong type!");
  mValue.mBoolean.Destroy();
  mType = eUninitialized;
}




MediaTrackConstraints&
OwningBooleanOrMediaTrackConstraints::RawSetAsMediaTrackConstraints()
{
  if (mType == eMediaTrackConstraints) {
    return mValue.mMediaTrackConstraints.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eMediaTrackConstraints;
  return mValue.mMediaTrackConstraints.SetValue();
}

MediaTrackConstraints&
OwningBooleanOrMediaTrackConstraints::SetAsMediaTrackConstraints()
{
  if (mType == eMediaTrackConstraints) {
    return mValue.mMediaTrackConstraints.Value();
  }
  Uninit();
  mType = eMediaTrackConstraints;
  return mValue.mMediaTrackConstraints.SetValue();
}

bool
OwningBooleanOrMediaTrackConstraints::TrySetToMediaTrackConstraints(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    MediaTrackConstraints& memberSlot = RawSetAsMediaTrackConstraints();
    if (!IsConvertibleToDictionary(value)) {
      DestroyMediaTrackConstraints();
      tryNext = true;
      return true;
    }
    if (!memberSlot.Init(cx, value,  "Member of BooleanOrMediaTrackConstraints", passedToJSImpl)) {
      return false;
    }
  }
  return true;
}

void
OwningBooleanOrMediaTrackConstraints::DestroyMediaTrackConstraints()
{
  MOZ_ASSERT(IsMediaTrackConstraints(), "Wrong type!");
  mValue.mMediaTrackConstraints.Destroy();
  mType = eUninitialized;
}




void
OwningBooleanOrMediaTrackConstraints::Uninit()
{
  switch (mType) {
    case eUninitialized: {
      break;
    }
    case eBoolean: {
      DestroyBoolean();
      break;
    }
    case eMediaTrackConstraints: {
      DestroyMediaTrackConstraints();
      break;
    }
  }
}

bool
OwningBooleanOrMediaTrackConstraints::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eBoolean: {
      rval.setBoolean(mValue.mBoolean.Value());
      return true;
      break;
    }
    case eMediaTrackConstraints: {
      if (!mValue.mMediaTrackConstraints.Value().ToObjectInternal(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}

void
OwningBooleanOrMediaTrackConstraints::TraceUnion(JSTracer* trc)
{
}

OwningBooleanOrMediaTrackConstraints&
OwningBooleanOrMediaTrackConstraints::operator=(const OwningBooleanOrMediaTrackConstraints& aOther)
{
  switch (aOther.mType) {
    case eUninitialized: {
      MOZ_ASSERT(mType == eUninitialized,
                 "We need to destroy ourselves?");
      break;
    }
    case eBoolean: {
      SetAsBoolean() = aOther.GetAsBoolean();
      break;
    }
    case eMediaTrackConstraints: {
      SetAsMediaTrackConstraints() = aOther.GetAsMediaTrackConstraints();
      break;
    }
  }
  return *this;
}



MediaStreamConstraints::MediaStreamConstraints()
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
MediaStreamConstraints::InitIds(JSContext* cx, MediaStreamConstraintsAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->video_id.init(cx, "video") ||
      !atomsCache->picture_id.init(cx, "picture") ||
      !atomsCache->peerIdentity_id.init(cx, "peerIdentity") ||
      !atomsCache->fake_id.init(cx, "fake") ||
      !atomsCache->audio_id.init(cx, "audio")) {
    return false;
  }
  return true;
}

bool
MediaStreamConstraints::Init(JSContext* 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());
  MediaStreamConstraintsAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<MediaStreamConstraintsAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  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->audio_id, temp.ptr())) {
      return false;
    }
  }
  mAudio.Uninit();
  if (!(!isNull && !temp->isUndefined())) {
    mAudio.RawSetAsBoolean() = false;
  } else {
    {
      bool done = false, failed = false, tryNext;
      if (!done) {
        done = (failed = !mAudio.TrySetToMediaTrackConstraints(cx, temp.ref(), tryNext, passedToJSImpl)) || !tryNext;
      }
      if (!done) {
        do {
          done = (failed = !mAudio.TrySetToBoolean(cx, temp.ref(), tryNext)) || !tryNext;
          break;
        } while (false);
      }
      if (failed) {
        return false;
      }
      if (!done) {
        ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "'audio' member of MediaStreamConstraints", "MediaTrackConstraints");
        return false;
      }
    }
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->fake_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mFake.Construct();
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &(mFake.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->peerIdentity_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ConvertJSValueToString(cx, temp.ref(), eNull, eNull, mPeerIdentity)) {
      return false;
    }
  } else {
    mPeerIdentity.SetIsVoid(true);
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->picture_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mPicture)) {
      return false;
    }
  } else {
    mPicture = false;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->video_id, temp.ptr())) {
      return false;
    }
  }
  mVideo.Uninit();
  if (!(!isNull && !temp->isUndefined())) {
    mVideo.RawSetAsBoolean() = false;
  } else {
    {
      bool done = false, failed = false, tryNext;
      if (!done) {
        done = (failed = !mVideo.TrySetToMediaTrackConstraints(cx, temp.ref(), tryNext, passedToJSImpl)) || !tryNext;
      }
      if (!done) {
        do {
          done = (failed = !mVideo.TrySetToBoolean(cx, temp.ref(), tryNext)) || !tryNext;
          break;
        } while (false);
      }
      if (failed) {
        return false;
      }
      if (!done) {
        ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "'video' member of MediaStreamConstraints", "MediaTrackConstraints");
        return false;
      }
    }
  }
  mIsAnyMemberPresent = true;
  return true;
}

bool
MediaStreamConstraints::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
MediaStreamConstraints::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  MediaStreamConstraintsAtoms* atomsCache = GetAtomCache<MediaStreamConstraintsAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    OwningBooleanOrMediaTrackConstraints const & currentValue = mAudio;
    if (!currentValue.ToJSVal(cx, obj, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->audio_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  if (mFake.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      bool const & currentValue = mFake.InternalValue();
      temp.setBoolean(currentValue);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->fake_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);
    nsString const & currentValue = mPeerIdentity;
    if (!xpc::StringToJsval(cx, currentValue, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->peerIdentity_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);
    bool const & currentValue = mPicture;
    temp.setBoolean(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->picture_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);
    OwningBooleanOrMediaTrackConstraints const & currentValue = mVideo;
    if (!currentValue.ToJSVal(cx, obj, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->video_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  return true;
}

bool
MediaStreamConstraints::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
MediaStreamConstraints::TraceDictionary(JSTracer* trc)
{
}

MediaStreamConstraints&
MediaStreamConstraints::operator=(const MediaStreamConstraints& aOther)
{
  DictionaryBase::operator=(aOther);
  mAudio = aOther.mAudio;
  mFake.Reset();
  if (aOther.mFake.WasPassed()) {
    mFake.Construct(aOther.mFake.Value());
  }
  mPeerIdentity = aOther.mPeerIdentity;
  mPicture = aOther.mPicture;
  mVideo = aOther.mVideo;
  return *this;
}

namespace binding_detail {
} // namespace binding_detail


namespace MediaStream_Binding {

static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventTarget_Binding::NativeType>::value,
              "Can't inherit from an interface with a different ownership model.");

MOZ_CAN_RUN_SCRIPT static bool
get_id(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get MediaStream.id", DOM, cx);

  DOMString result;
  self->GetId(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo id_getterinfo = {
  { (JSJitGetterOp)get_id },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getAudioTracks(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream.getAudioTracks", DOM, cx);

  nsTArray<StrongPtrForMember<mozilla::dom::AudioStreamTrack>::Type> result;
  self->GetAudioTracks(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  uint32_t length = result.Length();
  JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
  if (!returnArray) {
    return false;
  }
  // Scope for 'tmp'
  {
    JS::Rooted<JS::Value> 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 (!GetOrCreateDOMReflector(cx, result[sequenceIdx0], &tmp)) {
          MOZ_ASSERT(JS_IsExceptionPending(cx));
          return false;
        }
        break;
      } while (false);
      if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                            JSPROP_ENUMERATE)) {
        return false;
      }
    }
  }
  args.rval().setObject(*returnArray);
  return true;
}

static const JSJitInfo getAudioTracks_methodinfo = {
  { (JSJitGetterOp)getAudioTracks },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getVideoTracks(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream.getVideoTracks", DOM, cx);

  nsTArray<StrongPtrForMember<mozilla::dom::VideoStreamTrack>::Type> result;
  self->GetVideoTracks(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  uint32_t length = result.Length();
  JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
  if (!returnArray) {
    return false;
  }
  // Scope for 'tmp'
  {
    JS::Rooted<JS::Value> 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 (!GetOrCreateDOMReflector(cx, result[sequenceIdx0], &tmp)) {
          MOZ_ASSERT(JS_IsExceptionPending(cx));
          return false;
        }
        break;
      } while (false);
      if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                            JSPROP_ENUMERATE)) {
        return false;
      }
    }
  }
  args.rval().setObject(*returnArray);
  return true;
}

static const JSJitInfo getVideoTracks_methodinfo = {
  { (JSJitGetterOp)getVideoTracks },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getTracks(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream.getTracks", DOM, cx);

  nsTArray<StrongPtrForMember<mozilla::dom::MediaStreamTrack>::Type> result;
  self->GetTracks(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  uint32_t length = result.Length();
  JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
  if (!returnArray) {
    return false;
  }
  // Scope for 'tmp'
  {
    JS::Rooted<JS::Value> 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 (!GetOrCreateDOMReflector(cx, result[sequenceIdx0], &tmp)) {
          MOZ_ASSERT(JS_IsExceptionPending(cx));
          return false;
        }
        break;
      } while (false);
      if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                            JSPROP_ENUMERATE)) {
        return false;
      }
    }
  }
  args.rval().setObject(*returnArray);
  return true;
}

static const JSJitInfo getTracks_methodinfo = {
  { (JSJitGetterOp)getTracks },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getTrackById(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream.getTrackById", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "MediaStream.getTrackById");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  auto result(StrongOrRawPtr<mozilla::dom::MediaStreamTrack>(self->GetTrackById(NonNullHelper(Constify(arg0)))));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo getTrackById_methodinfo = {
  { (JSJitGetterOp)getTrackById },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::Depth },
  JSJitInfo::Method,
  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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
addTrack(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream.addTrack", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "MediaStream.addTrack");
  }
  NonNull<mozilla::dom::MediaStreamTrack> arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::MediaStreamTrack, mozilla::dom::MediaStreamTrack>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of MediaStream.addTrack", "MediaStreamTrack");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of MediaStream.addTrack");
    return false;
  }
  self->AddTrack(MOZ_KnownLive(NonNullHelper(arg0)));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo addTrack_methodinfo = {
  { (JSJitGetterOp)addTrack },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
removeTrack(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream.removeTrack", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "MediaStream.removeTrack");
  }
  NonNull<mozilla::dom::MediaStreamTrack> arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::MediaStreamTrack, mozilla::dom::MediaStreamTrack>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of MediaStream.removeTrack", "MediaStreamTrack");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of MediaStream.removeTrack");
    return false;
  }
  self->RemoveTrack(MOZ_KnownLive(NonNullHelper(arg0)));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo removeTrack_methodinfo = {
  { (JSJitGetterOp)removeTrack },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
clone(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream.clone", DOM, cx);

  auto result(StrongOrRawPtr<mozilla::DOMMediaStream>(self->Clone()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo clone_methodinfo = {
  { (JSJitGetterOp)clone },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_active(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get MediaStream.active", DOM, cx);

  bool result(self->Active());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo active_getterinfo = {
  { (JSJitGetterOp)get_active },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* 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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_onaddtrack(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get MediaStream.onaddtrack", DOM, cx);

  RefPtr<EventHandlerNonNull> result(self->GetOnaddtrack());
  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_onaddtrack(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set MediaStream.onaddtrack", DOM, cx);

  RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> 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;
  }
  self->SetOnaddtrack(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo onaddtrack_getterinfo = {
  { (JSJitGetterOp)get_onaddtrack },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");
static const JSJitInfo onaddtrack_setterinfo = {
  { (JSJitGetterOp)set_onaddtrack },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_onremovetrack(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get MediaStream.onremovetrack", DOM, cx);

  RefPtr<EventHandlerNonNull> result(self->GetOnremovetrack());
  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_onremovetrack(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set MediaStream.onremovetrack", DOM, cx);

  RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> 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;
  }
  self->SetOnremovetrack(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo onremovetrack_getterinfo = {
  { (JSJitGetterOp)get_onremovetrack },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");
static const JSJitInfo onremovetrack_setterinfo = {
  { (JSJitGetterOp)set_onremovetrack },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_currentTime(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get MediaStream.currentTime", DOM, cx);

  double result(self->CurrentTime());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().set(JS_NumberValue(double(result)));
  return true;
}

static const JSJitInfo currentTime_getterinfo = {
  { (JSJitGetterOp)get_currentTime },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

static bool
countUnderlyingStreams(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream.countUnderlyingStreams", DOM, cx);

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());

  GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
  if (global.Failed()) {
    return false;
  }

  FastErrorResult rv;
  auto result(StrongOrRawPtr<Promise>(mozilla::DOMMediaStream::CountUnderlyingStreams(global, rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}


static const JSJitInfo countUnderlyingStreams_methodinfo = {
  { (JSJitGetterOp)countUnderlyingStreams },
  { prototypes::id::_ID_Count }, { 0 }, JSJitInfo::StaticMethod,
  JSJitInfo::AliasEverything, JSVAL_TYPE_MISSING, false, false,
  false, false, 0
};

MOZ_CAN_RUN_SCRIPT static bool
assignId(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::DOMMediaStream* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream.assignId", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "MediaStream.assignId");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  self->AssignId(NonNullHelper(Constify(arg0)));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo assignId_methodinfo = {
  { (JSJitGetterOp)assignId },
  { prototypes::id::MediaStream },
  { PrototypeTraits<prototypes::id::MediaStream>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
  mozilla::DOMMediaStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::DOMMediaStream>(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::FreeOp* fop, JSObject* obj)
{
  mozilla::DOMMediaStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::DOMMediaStream>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::DOMMediaStream>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::DOMMediaStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::DOMMediaStream>(obj);
  if (self) {
    UpdateWrapper(self, self, obj, old);
  }

  return 0;
}

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSFunctionSpec sChromeStaticMethods_specs[] = {
  JS_FNSPEC("countUnderlyingStreams", StaticMethodPromiseWrapper, &countUnderlyingStreams_methodinfo, 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> sChromeStaticMethods[] = {
  { nullptr, &sChromeStaticMethods_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)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("getAudioTracks", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getAudioTracks_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getVideoTracks", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getVideoTracks_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getTracks", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getTracks_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getTrackById", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getTrackById_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("addTrack", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&addTrack_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("removeTrack", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&removeTrack_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("clone", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&clone_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> 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(7 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSFunctionSpec sChromeMethods_specs[] = {
  JS_FNSPEC("assignId", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&assignId_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> 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)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSPropertySpec sAttributes_specs[] = {
  { "id", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &id_getterinfo, nullptr, nullptr },
  { "active", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &active_getterinfo, nullptr, nullptr },
  { "onaddtrack", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onaddtrack_getterinfo, GenericSetter<NormalThisPolicy>, &onaddtrack_setterinfo },
  { "onremovetrack", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onremovetrack_getterinfo, GenericSetter<NormalThisPolicy>, &onremovetrack_setterinfo },
  { "currentTime", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &currentTime_getterinfo, nullptr, nullptr },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSPropertySpec> 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(5 <= 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[12];
static PropertyInfo sNativeProperties_propertyInfos[12];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  12,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[7] }
  }
};
static_assert(12 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[2];
static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[2];

static const NativePropertiesN<2> sChromeOnlyNativeProperties = {
  true,  0 /* sChromeStaticMethods */,
  false, 0,
  true,  1 /* sChromeMethods */,
  false, 0,
  false, 0,
  false, 0,
  false, 0,
  -1,
  2,
  sChromeOnlyNativeProperties_sortedPropertyIndices,
  {
    { sChromeStaticMethods, &sChromeOnlyNativeProperties_propertyInfos[0] },
    { sChromeMethods, &sChromeOnlyNativeProperties_propertyInfos[1] }
  }
};
static_assert(2 < 1ull << CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("MediaStream constructor", DOM, cx);

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());
  if (!args.isConstructing()) {
    // XXXbz wish I could get the name from the callee instead of
    // Adding more relocations
    return ThrowConstructorWithoutNew(cx, "MediaStream");
  }

  JS::Rooted<JSObject*> desiredProto(cx);
  if (!GetDesiredProto(cx, args, &desiredProto)) {
    return false;
  }

  unsigned argcount = std::min(args.length(), 1u);
  switch (argcount) {
    case 0: {
      GlobalObject global(cx, obj);
      if (global.Failed()) {
        return false;
      }

      bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
      Maybe<JSAutoRealm> ar;
      if (objIsXray) {
        obj = js::CheckedUnwrap(obj);
        if (!obj) {
          return false;
        }
        ar.emplace(cx, obj);
        if (!JS_WrapObject(cx, &desiredProto)) {
          return false;
        }
      }
      FastErrorResult rv;
      auto result(StrongOrRawPtr<mozilla::DOMMediaStream>(mozilla::DOMMediaStream::Constructor(global, rv)));
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      static_assert(!IsPointer<decltype(result)>::value,
                    "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;
      break;
    }
    case 1: {
      if (args[0].isObject()) {
        do {
          NonNull<mozilla::DOMMediaStream> arg0;
          {
            nsresult rv = UnwrapObject<prototypes::id::MediaStream, mozilla::DOMMediaStream>(args[0], arg0);
            if (NS_FAILED(rv)) {
              break;
            }
          }
          GlobalObject global(cx, obj);
          if (global.Failed()) {
            return false;
          }

          bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
          Maybe<JSAutoRealm> ar;
          if (objIsXray) {
            obj = js::CheckedUnwrap(obj);
            if (!obj) {
              return false;
            }
            ar.emplace(cx, obj);
            if (!JS_WrapObject(cx, &desiredProto)) {
              return false;
            }
          }
          FastErrorResult rv;
          auto result(StrongOrRawPtr<mozilla::DOMMediaStream>(mozilla::DOMMediaStream::Constructor(global, MOZ_KnownLive(NonNullHelper(arg0)), rv)));
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          static_assert(!IsPointer<decltype(result)>::value,
                        "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;
        } while (false);
        do {
          binding_detail::AutoSequence<OwningNonNull<mozilla::dom::MediaStreamTrack>> arg0;
          JS::ForOfIterator iter(cx);
          if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
            return false;
          }
          if (!iter.valueIsIterable()) {
            break;
          }
          binding_detail::AutoSequence<OwningNonNull<mozilla::dom::MediaStreamTrack>> &arr = arg0;
          JS::Rooted<JS::Value> temp(cx);
          while (true) {
            bool done;
            if (!iter.next(&temp, &done)) {
              return false;
            }
            if (done) {
              break;
            }
            OwningNonNull<mozilla::dom::MediaStreamTrack>* slotPtr = arr.AppendElement(mozilla::fallible);
            if (!slotPtr) {
              JS_ReportOutOfMemory(cx);
              return false;
            }
            OwningNonNull<mozilla::dom::MediaStreamTrack>& slot = *slotPtr;
            if (temp.isObject()) {
              static_assert(IsRefcounted<mozilla::dom::MediaStreamTrack>::value, "We can only store refcounted classes.");{
                nsresult rv = UnwrapObject<prototypes::id::MediaStreamTrack, mozilla::dom::MediaStreamTrack>(&temp, slot);
                if (NS_FAILED(rv)) {
                  ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Element of argument 1 of MediaStream", "MediaStreamTrack");
                  return false;
                }
              }
            } else {
              ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Element of argument 1 of MediaStream");
              return false;
            }
          }
          GlobalObject global(cx, obj);
          if (global.Failed()) {
            return false;
          }

          bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
          Maybe<JSAutoRealm> ar;
          if (objIsXray) {
            obj = js::CheckedUnwrap(obj);
            if (!obj) {
              return false;
            }
            ar.emplace(cx, obj);
            if (!JS_WrapObject(cx, &desiredProto)) {
              return false;
            }
          }
          FastErrorResult rv;
          auto result(StrongOrRawPtr<mozilla::DOMMediaStream>(mozilla::DOMMediaStream::Constructor(global, Constify(arg0), rv)));
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          static_assert(!IsPointer<decltype(result)>::value,
                        "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;
        } while (false);
      }
      return ThrowErrorMessage(cx, MSG_OVERLOAD_RESOLUTION_FAILED, "1", "1", "MediaStream");
      break;
    }
    default: {
      return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "MediaStream");
      break;
    }
  }
  MOZ_CRASH("We have an always-returning default case");
  return false;
}

static const js::ClassOps sInterfaceObjectClassOps = {
    nullptr,               /* addProperty */
    nullptr,               /* delProperty */
    nullptr,               /* enumerate */
    nullptr,               /* newEnumerate */
    nullptr,               /* resolve */
    nullptr,               /* mayResolve */
    nullptr,               /* finalize */
    _constructor, /* call */
    nullptr,               /* hasInstance */
    _constructor, /* construct */
    nullptr,               /* trace */
};

static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
  {
    "Function",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
    &sInterfaceObjectClassOps,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    &sInterfaceObjectClassObjectOps
  },
  eInterface,
  true,
  prototypes::id::MediaStream,
  PrototypeTraits<prototypes::id::MediaStream>::Depth,
  sNativePropertyHooks,
  "function MediaStream() {\n    [native code]\n}",
  EventTarget_Binding::GetConstructorObject
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "MediaStreamPrototype",
    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,
  false,
  prototypes::id::MediaStream,
  PrototypeTraits<prototypes::id::MediaStream>::Depth,
  sNativePropertyHooks,
  "[object MediaStreamPrototype]",
  EventTarget_Binding::GetProtoObject
};

static const js::ClassOps sClassOps = {
  _addProperty, /* addProperty */
  nullptr,               /* delProperty */
  nullptr,               /* enumerate */
  nullptr, /* newEnumerate */
  nullptr, /* resolve */
  nullptr, /* mayResolve */
  _finalize, /* finalize */
  nullptr, /* call */
  nullptr,               /* hasInstance */
  nullptr,               /* construct */
  nullptr, /* trace */
};

static const js::ClassExtension sClassExtension = {
  nullptr, /* weakmapKeyDelegateOp */
  _objectMoved /* objectMovedOp */
};

static const DOMJSClass sClass = {
  { "MediaStream",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::EventTarget, prototypes::id::MediaStream, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  IsBaseOf<nsISupports, mozilla::DOMMediaStream >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::DOMMediaStream>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::DOMMediaStream>::Get()
};
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.");

const JSClass*
GetJSClass()
{
  return sClass.ToJSClass();
}

bool
Wrap(JSContext* aCx, mozilla::DOMMediaStream* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::DOMMediaStream>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::DOMMediaStream*>(aObject) ==
             reinterpret_cast<mozilla::DOMMediaStream*>(aObject),
             "Multiple inheritance for mozilla::DOMMediaStream is broken.");
  MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
             reinterpret_cast<mozilla::dom::EventTarget*>(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");

  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
  if (!global) {
    return false;
  }
  MOZ_ASSERT(JS_IsGlobalObject(global));
  MOZ_ASSERT(JS::ObjectIsNotGray(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::GetObjectCompartment(proto)) {
      if (!JS_WrapObject(aCx, &proto)) {
        return false;
      }
    }
  } else {
    proto = canonicalProto;
  }

  BindingJSObjectCreator<mozilla::DOMMediaStream> 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;
}

const NativePropertyHooks sNativePropertyHooks[] = { {
  nullptr,
  nullptr,
  nullptr,
  { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast() },
  prototypes::id::MediaStream,
  constructors::id::MediaStream,
  EventTarget_Binding::sNativePropertyHooks,
  &DefaultXrayExpandoObjectClass
} };

void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
  JS::Handle<JSObject*> parentProto(EventTarget_Binding::GetProtoObjectHandle(aCx));
  if (!parentProto) {
    return;
  }

  JS::Handle<JSObject*> constructorProto(EventTarget_Binding::GetConstructorObjectHandle(aCx));
  if (!constructorProto) {
    return;
  }

  static bool sIdsInited = false;
  if (!sIdsInited && NS_IsMainThread()) {
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
      return;
    }
    if (!InitIds(aCx, sChromeOnlyNativeProperties.Upcast())) {
      return;
    }
    sIdsInited = true;
  }

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MediaStream);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MediaStream);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              sChromeOnlyNativeProperties.Upcast(),
                              "MediaStream", aDefineOnGlobal,
                              nullptr,
                              false);
}

JSObject*
GetProtoObject(JSContext* aCx)
{
  return GetProtoObjectHandle(aCx);
}

JSObject*
GetConstructorObject(JSContext* aCx)
{
  return GetConstructorObjectHandle(aCx);
}

} // namespace MediaStream_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53