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

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

#include "AtomList.h"
#include "RTCRtpReceiverBinding.h"
#include "RTCRtpSourcesBinding.h"
#include "RTCRtpTransceiverBinding.h"
#include "WrapperFactory.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/MediaStreamTrack.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentUtils.h"
#include "nsIGlobalObject.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 RTCRtpReceiver_Binding {

MOZ_CAN_RUN_SCRIPT static bool
get_track(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpReceiver* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get RTCRtpReceiver.track", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::MediaStreamTrack>(self->GetTrack(rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)))));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo track_getterinfo = {
  { (JSJitGetterOp)get_track },
  { prototypes::id::RTCRtpReceiver },
  { PrototypeTraits<prototypes::id::RTCRtpReceiver>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
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
getStats(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpReceiver* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpReceiver.getStats", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<Promise>(self->GetStats(rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)))));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
getStats_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpReceiver* self, const JSJitMethodCallArgs& args)
{
  bool ok = getStats(cx, obj, self, args);
  if (ok) {
    return true;
  }
  return ConvertExceptionToPromise(cx, args.rval());
}

static const JSJitInfo getStats_methodinfo = {
  { (JSJitGetterOp)getStats_promiseWrapper },
  { prototypes::id::RTCRtpReceiver },
  { PrototypeTraits<prototypes::id::RTCRtpReceiver>::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
getContributingSources(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpReceiver* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpReceiver.getContributingSources", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  nsTArray<RTCRtpContributingSource> result;
  self->GetContributingSources(result, rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  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 (!result[sequenceIdx0].ToObjectInternal(cx, &tmp)) {
          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 getContributingSources_methodinfo = {
  { (JSJitGetterOp)getContributingSources },
  { prototypes::id::RTCRtpReceiver },
  { PrototypeTraits<prototypes::id::RTCRtpReceiver>::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
getSynchronizationSources(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpReceiver* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpReceiver.getSynchronizationSources", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  nsTArray<RTCRtpSynchronizationSource> result;
  self->GetSynchronizationSources(result, rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  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 (!result[sequenceIdx0].ToObjectInternal(cx, &tmp)) {
          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 getSynchronizationSources_methodinfo = {
  { (JSJitGetterOp)getSynchronizationSources },
  { prototypes::id::RTCRtpReceiver },
  { PrototypeTraits<prototypes::id::RTCRtpReceiver>::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
setStreamIds(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpReceiver* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpReceiver.setStreamIds", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCRtpReceiver.setStreamIds");
  }
  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  binding_detail::AutoSequence<nsString> arg0;
  if (args[0].isObject()) {
    JS::ForOfIterator iter(cx);
    if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
      return false;
    }
    if (!iter.valueIsIterable()) {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of RTCRtpReceiver.setStreamIds");
      return false;
    }
    binding_detail::AutoSequence<nsString> &arr = arg0;
    JS::Rooted<JS::Value> temp(cx);
    while (true) {
      bool done;
      if (!iter.next(&temp, &done)) {
        return false;
      }
      if (done) {
        break;
      }
      nsString* slotPtr = arr.AppendElement(mozilla::fallible);
      if (!slotPtr) {
        JS_ReportOutOfMemory(cx);
        return false;
      }
      nsString& slot = *slotPtr;
      if (!ConvertJSValueToString(cx, temp, eStringify, eStringify, slot)) {
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of RTCRtpReceiver.setStreamIds");
    return false;
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  self->SetStreamIds(Constify(arg0), rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo setStreamIds_methodinfo = {
  { (JSJitGetterOp)setStreamIds },
  { prototypes::id::RTCRtpReceiver },
  { PrototypeTraits<prototypes::id::RTCRtpReceiver>::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
setRemoteSendBit(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpReceiver* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpReceiver.setRemoteSendBit", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCRtpReceiver.setRemoteSendBit");
  }
  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  bool arg0;
  if (!ValueToPrimitive<bool, eDefault>(cx, args[0], &arg0)) {
    return false;
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  self->SetRemoteSendBit(arg0, rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo setRemoteSendBit_methodinfo = {
  { (JSJitGetterOp)setRemoteSendBit },
  { prototypes::id::RTCRtpReceiver },
  { PrototypeTraits<prototypes::id::RTCRtpReceiver>::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
processTrackAdditionsAndRemovals(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpReceiver* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpReceiver.processTrackAdditionsAndRemovals", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 2)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCRtpReceiver.processTrackAdditionsAndRemovals");
  }
  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  NonNull<mozilla::dom::RTCRtpTransceiver> arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::RTCRtpTransceiver, mozilla::dom::RTCRtpTransceiver>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of RTCRtpReceiver.processTrackAdditionsAndRemovals", "RTCRtpTransceiver");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of RTCRtpReceiver.processTrackAdditionsAndRemovals");
    return false;
  }
  JS::Rooted<JSObject*> arg1(cx);
  if (args[1].isObject()) {
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunreachable-code"
#pragma clang diagnostic ignored "-Wunreachable-code-return"
#endif // __clang__
    if ((true) && !CallerSubsumes(args[1])) {
      ThrowErrorMessage(cx, MSG_PERMISSION_DENIED_TO_PASS_ARG, "argument 2 of RTCRtpReceiver.processTrackAdditionsAndRemovals");
      return false;
    }
#ifdef __clang__
#pragma clang diagnostic pop
#endif // __clang__
    arg1 = &args[1].toObject();
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 2 of RTCRtpReceiver.processTrackAdditionsAndRemovals");
    return false;
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  self->ProcessTrackAdditionsAndRemovals(MOZ_KnownLive(NonNullHelper(arg0)), arg1, rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo processTrackAdditionsAndRemovals_methodinfo = {
  { (JSJitGetterOp)processTrackAdditionsAndRemovals },
  { prototypes::id::RTCRtpReceiver },
  { PrototypeTraits<prototypes::id::RTCRtpReceiver>::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::dom::RTCRtpReceiver* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::RTCRtpReceiver>(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::dom::RTCRtpReceiver* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::RTCRtpReceiver>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::RTCRtpReceiver>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::RTCRtpReceiver* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::RTCRtpReceiver>(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("_create", RTCRtpReceiver::_Create, nullptr, 2, 0, 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("getStats", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&getStats_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("getContributingSources", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getContributingSources_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getSynchronizationSources", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getSynchronizationSources_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif

// Can't be const because the pref-enabled boolean needs to be writable
static PrefableDisablers sMethods_disablers2 = {
  true, false, 0, nullptr
};

static const Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_specs[0] },
  { &sMethods_disablers2, &sMethods_specs[2] },
  { nullptr, nullptr }
};

static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

// 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("setStreamIds", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&setStreamIds_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("setRemoteSendBit", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&setRemoteSendBit_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("processTrackAdditionsAndRemovals", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&processTrackAdditionsAndRemovals_methodinfo), 2, 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(3 <= 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[] = {
  { "track", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &track_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(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");


static uint16_t sNativeProperties_sortedPropertyIndices[4];
static PropertyInfo sNativeProperties_propertyInfos[4];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  4,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[3] }
  }
};
static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[4];
static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[4];

static const NativePropertiesN<2> sChromeOnlyNativeProperties = {
  true,  0 /* sChromeStaticMethods */,
  false, 0,
  true,  1 /* sChromeMethods */,
  false, 0,
  false, 0,
  false, 0,
  false, 0,
  -1,
  4,
  sChromeOnlyNativeProperties_sortedPropertyIndices,
  {
    { sChromeStaticMethods, &sChromeOnlyNativeProperties_propertyInfos[0] },
    { sChromeMethods, &sChromeOnlyNativeProperties_propertyInfos[1] }
  }
};
static_assert(4 < 1ull << CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

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

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "RTCRtpReceiverPrototype",
    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::RTCRtpReceiver,
  PrototypeTraits<prototypes::id::RTCRtpReceiver>::Depth,
  sNativePropertyHooks,
  "[object RTCRtpReceiverPrototype]",
  JS::GetRealmObjectPrototype
};

bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
  static bool sPrefValue;
  static bool sPrefCacheSetUp = false;
  if (!sPrefCacheSetUp) {
    sPrefCacheSetUp = true;
    Preferences::AddBoolVarCache(&sPrefValue, "media.peerconnection.enabled");
  }

  return sPrefValue;
}

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 = {
  { "RTCRtpReceiver",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::RTCRtpReceiver, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  IsBaseOf<nsISupports, mozilla::dom::RTCRtpReceiver >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::RTCRtpReceiver>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::RTCRtpReceiver>::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::dom::RTCRtpReceiver* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::RTCRtpReceiver>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::RTCRtpReceiver*>(aObject) ==
             reinterpret_cast<mozilla::dom::RTCRtpReceiver*>(aObject),
             "Multiple inheritance for mozilla::dom::RTCRtpReceiver 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::dom::RTCRtpReceiver> 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::RTCRtpReceiver,
  constructors::id::RTCRtpReceiver,
  nullptr,
  &DefaultXrayExpandoObjectClass
} };

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

  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(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;
  }

  static bool sPrefCachesInited = false;
  if (!sPrefCachesInited && NS_IsMainThread()) {
    sPrefCachesInited = true;
    Preferences::AddBoolVarCache(&sMethods[1].disablers->enabled, "media.peerconnection.rtpsourcesapi.enabled");
  }

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

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

} // namespace RTCRtpReceiver_Binding



already_AddRefed<Promise>
RTCRtpReceiverJSImpl::GetStats(ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpReceiver.getStats", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return nullptr;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpReceiverAtoms* atomsCache = GetAtomCache<RTCRtpReceiverAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->getStats_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::empty(), &rval)) {
    aRv.NoteJSContextException(cx);
    return nullptr;
  }
  RefPtr<Promise> rvalDecl;
  { // Scope for our GlobalObject, FastErrorResult, JSAutoRealm,
    // etc.

    JS::Rooted<JSObject*> globalObj(cx);
    if (!rval.isObject()) {
      aRv.ThrowTypeError<MSG_NOT_OBJECT>(NS_LITERAL_STRING("return value of RTCRtpReceiver.getStats"));
      return nullptr;
    }
    JSObject* unwrappedVal = js::CheckedUnwrap(&rval.toObject());
    if (!unwrappedVal) {
      // A slight lie, but not much of one, for a dead object wrapper.
      aRv.ThrowTypeError<MSG_NOT_OBJECT>(NS_LITERAL_STRING("return value of RTCRtpReceiver.getStats"));
      return nullptr;
    }
    globalObj = JS::GetNonCCWObjectGlobal(unwrappedVal);
    JSAutoRealm ar(cx, globalObj);
    GlobalObject promiseGlobal(cx, globalObj);
    if (promiseGlobal.Failed()) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }

    JS::Rooted<JS::Value> valueToResolve(cx, rval);
    if (!JS_WrapValue(cx, &valueToResolve)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    binding_detail::FastErrorResult promiseRv;
    nsCOMPtr<nsIGlobalObject> global =
      do_QueryInterface(promiseGlobal.GetAsSupports());
    if (!global) {
      promiseRv.ThrowWithCustomCleanup(NS_ERROR_UNEXPECTED);
      MOZ_ALWAYS_TRUE(promiseRv.MaybeSetPendingException(cx));
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    rvalDecl = Promise::Resolve(global, cx, valueToResolve,
                                    promiseRv);
    if (promiseRv.MaybeSetPendingException(cx)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
  }
  return rvalDecl.forget();
}

void
RTCRtpReceiverJSImpl::GetContributingSources(nsTArray<RTCRtpContributingSource>& aRetVal, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpReceiver.getContributingSources", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpReceiverAtoms* atomsCache = GetAtomCache<RTCRtpReceiverAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->getContributingSources_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::empty(), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
  Sequence<RTCRtpContributingSource> rvalDecl;
  if (rval.isObject()) {
    JS::ForOfIterator iter(cx);
    if (!iter.init(rval, JS::ForOfIterator::AllowNonIterable)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    if (!iter.valueIsIterable()) {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Return value of RTCRtpReceiver.getContributingSources");
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    Sequence<RTCRtpContributingSource> &arr = rvalDecl;
    JS::Rooted<JS::Value> temp(cx);
    while (true) {
      bool done;
      if (!iter.next(&temp, &done)) {
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return;
      }
      if (done) {
        break;
      }
      RTCRtpContributingSource* slotPtr = arr.AppendElement(mozilla::fallible);
      if (!slotPtr) {
        JS_ReportOutOfMemory(cx);
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return;
      }
      RTCRtpContributingSource& slot = *slotPtr;
      if (!slot.Init(cx, temp,  "Element of return value of RTCRtpReceiver.getContributingSources", false)) {
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Return value of RTCRtpReceiver.getContributingSources");
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  aRetVal.SwapElements(rvalDecl);
}

void
RTCRtpReceiverJSImpl::GetSynchronizationSources(nsTArray<RTCRtpSynchronizationSource>& aRetVal, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpReceiver.getSynchronizationSources", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpReceiverAtoms* atomsCache = GetAtomCache<RTCRtpReceiverAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->getSynchronizationSources_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::empty(), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
  Sequence<RTCRtpSynchronizationSource> rvalDecl;
  if (rval.isObject()) {
    JS::ForOfIterator iter(cx);
    if (!iter.init(rval, JS::ForOfIterator::AllowNonIterable)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    if (!iter.valueIsIterable()) {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Return value of RTCRtpReceiver.getSynchronizationSources");
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    Sequence<RTCRtpSynchronizationSource> &arr = rvalDecl;
    JS::Rooted<JS::Value> temp(cx);
    while (true) {
      bool done;
      if (!iter.next(&temp, &done)) {
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return;
      }
      if (done) {
        break;
      }
      RTCRtpSynchronizationSource* slotPtr = arr.AppendElement(mozilla::fallible);
      if (!slotPtr) {
        JS_ReportOutOfMemory(cx);
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return;
      }
      RTCRtpSynchronizationSource& slot = *slotPtr;
      if (!slot.Init(cx, temp,  "Element of return value of RTCRtpReceiver.getSynchronizationSources", false)) {
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Return value of RTCRtpReceiver.getSynchronizationSources");
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  aRetVal.SwapElements(rvalDecl);
}

void
RTCRtpReceiverJSImpl::SetStreamIds(const Sequence<nsString>& streamIds, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpReceiver.setStreamIds", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
  JS::AutoValueVector argv(cx);
  if (!argv.resize(1)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return;
  }
  unsigned argc = 1;

  do {

    uint32_t length = streamIds.Length();
    JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
    if (!returnArray) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    // 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 (!xpc::NonVoidStringToJsval(cx, streamIds[sequenceIdx0], &tmp)) {
            aRv.Throw(NS_ERROR_UNEXPECTED);
            return;
          }
          break;
        } while (false);
        if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                              JSPROP_ENUMERATE)) {
          aRv.Throw(NS_ERROR_UNEXPECTED);
          return;
        }
      }
    }
    argv[0].setObject(*returnArray);
    break;
  } while (false);

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpReceiverAtoms* atomsCache = GetAtomCache<RTCRtpReceiverAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->setStreamIds_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
}

void
RTCRtpReceiverJSImpl::SetRemoteSendBit(bool sendBit, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpReceiver.setRemoteSendBit", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
  JS::AutoValueVector argv(cx);
  if (!argv.resize(1)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return;
  }
  unsigned argc = 1;

  do {
    argv[0].setBoolean(sendBit);
    break;
  } while (false);

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpReceiverAtoms* atomsCache = GetAtomCache<RTCRtpReceiverAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->setRemoteSendBit_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
}

void
RTCRtpReceiverJSImpl::ProcessTrackAdditionsAndRemovals(RTCRtpTransceiver& transceiver, JS::Handle<JSObject*> postProcessing, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpReceiver.processTrackAdditionsAndRemovals", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
  JS::AutoValueVector argv(cx);
  if (!argv.resize(2)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return;
  }
  unsigned argc = 2;

  do {
    JS::ExposeObjectToActiveJS(postProcessing);
    argv[1].setObject(*postProcessing);
    if (!MaybeWrapObjectValue(cx, argv[1])) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    break;
  } while (false);

  do {
    if (!GetOrCreateDOMReflector(cx, transceiver, argv[0])) {
      MOZ_ASSERT(JS_IsExceptionPending(cx));
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    break;
  } while (false);

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpReceiverAtoms* atomsCache = GetAtomCache<RTCRtpReceiverAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->processTrackAdditionsAndRemovals_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
}

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

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->processTrackAdditionsAndRemovals_id.init(cx, "processTrackAdditionsAndRemovals") ||
      !atomsCache->setRemoteSendBit_id.init(cx, "setRemoteSendBit") ||
      !atomsCache->setStreamIds_id.init(cx, "setStreamIds") ||
      !atomsCache->getSynchronizationSources_id.init(cx, "getSynchronizationSources") ||
      !atomsCache->getContributingSources_id.init(cx, "getContributingSources") ||
      !atomsCache->getStats_id.init(cx, "getStats") ||
      !atomsCache->track_id.init(cx, "track")) {
    return false;
  }
  return true;
}


already_AddRefed<MediaStreamTrack>
RTCRtpReceiverJSImpl::GetTrack(ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpReceiver.track", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return nullptr;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::Rooted<JSObject *> callback(cx, mCallback);
  RTCRtpReceiverAtoms* atomsCache = GetAtomCache<RTCRtpReceiverAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !JS_GetPropertyById(cx, callback, atomsCache->track_id, &rval)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  RefPtr<mozilla::dom::MediaStreamTrack> rvalDecl;
  if (rval.isObject()) {
    static_assert(IsRefcounted<mozilla::dom::MediaStreamTrack>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::MediaStreamTrack, mozilla::dom::MediaStreamTrack>(rval, rvalDecl);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Return value of RTCRtpReceiver.track", "MediaStreamTrack");
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return nullptr;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Return value of RTCRtpReceiver.track");
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  return rvalDecl.forget();
}


NS_IMPL_CYCLE_COLLECTION_CLASS(RTCRtpReceiver)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(RTCRtpReceiver)
  NS_IMPL_CYCLE_COLLECTION_UNLINK(mImpl)
  NS_IMPL_CYCLE_COLLECTION_UNLINK(mParent)
  NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
  tmp->ClearWeakReferences();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(RTCRtpReceiver)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mImpl)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_WRAPPERCACHE(RTCRtpReceiver)
NS_IMPL_CYCLE_COLLECTING_ADDREF(RTCRtpReceiver)
NS_IMPL_CYCLE_COLLECTING_RELEASE(RTCRtpReceiver)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RTCRtpReceiver)
  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  NS_INTERFACE_MAP_ENTRY(nsISupports)
  NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_END

RTCRtpReceiver::RTCRtpReceiver(JS::Handle<JSObject*> aJSImplObject, JS::Handle<JSObject*> aJSImplGlobal, nsIGlobalObject* aParent)
  : mImpl(new RTCRtpReceiverJSImpl(nullptr, aJSImplObject, aJSImplGlobal, /* aIncumbentGlobal = */ nullptr)),
    mParent(aParent)
{
}


RTCRtpReceiver::~RTCRtpReceiver()
{
}

nsISupports*
RTCRtpReceiver::GetParentObject() const
{
  return mParent;
}

JSObject*
RTCRtpReceiver::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
  JS::Rooted<JSObject*> obj(aCx, RTCRtpReceiver_Binding::Wrap(aCx, this, aGivenProto));
  if (!obj) {
    return nullptr;
  }

  // Now define it on our chrome object
  JSAutoRealm ar(aCx, mImpl->CallbackGlobalOrNull());
  if (!JS_WrapObject(aCx, &obj)) {
    return nullptr;
  }
  if (!JS_DefineProperty(aCx, mImpl->CallbackOrNull(), "__DOM_IMPL__", obj, 0)) {
    return nullptr;
  }
  return obj;
}

// Return a raw pointer here to avoid refcounting, but make sure it's safe (the object should be kept alive by the callee).
already_AddRefed<MediaStreamTrack>
RTCRtpReceiver::GetTrack(ErrorResult& aRv, JS::Realm* aRealm) const
{
  return mImpl->GetTrack(aRv, aRealm);
}

// Return a raw pointer here to avoid refcounting, but make sure it's safe (the object should be kept alive by the callee).
already_AddRefed<Promise>
RTCRtpReceiver::GetStats(ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->GetStats(aRv, aRealm);
}

void
RTCRtpReceiver::GetContributingSources(nsTArray<RTCRtpContributingSource>& aRetVal, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->GetContributingSources(aRetVal, aRv, aRealm);
}

void
RTCRtpReceiver::GetSynchronizationSources(nsTArray<RTCRtpSynchronizationSource>& aRetVal, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->GetSynchronizationSources(aRetVal, aRv, aRealm);
}

void
RTCRtpReceiver::SetStreamIds(const Sequence<nsString>& streamIds, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->SetStreamIds(streamIds, aRv, aRealm);
}

void
RTCRtpReceiver::SetRemoteSendBit(bool sendBit, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->SetRemoteSendBit(sendBit, aRv, aRealm);
}

void
RTCRtpReceiver::ProcessTrackAdditionsAndRemovals(RTCRtpTransceiver& transceiver, JS::Handle<JSObject*> postProcessing, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->ProcessTrackAdditionsAndRemovals(transceiver, postProcessing, aRv, aRealm);
}

bool
RTCRtpReceiver::_Create(JSContext* cx, unsigned argc, JS::Value* vp)
{
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  if (args.length() < 2) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCRtpReceiver._create");
  }
  if (!args[0].isObject()) {
    return ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of RTCRtpReceiver._create");
  }
  if (!args[1].isObject()) {
    return ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 2 of RTCRtpReceiver._create");
  }

  // GlobalObject will go through wrappers as needed for us, and
  // is simpler than the right UnwrapArg incantation.
  GlobalObject global(cx, &args[0].toObject());
  if (global.Failed()) {
    return false;
  }
  nsCOMPtr<nsIGlobalObject> globalHolder = do_QueryInterface(global.GetAsSupports());
  MOZ_ASSERT(globalHolder);
  JS::Rooted<JSObject*> arg(cx, &args[1].toObject());
  JS::Rooted<JSObject*> argGlobal(cx, JS::CurrentGlobalOrNull(cx));
  RefPtr<RTCRtpReceiver> impl = new RTCRtpReceiver(arg, argGlobal, globalHolder);
  MOZ_ASSERT(js::IsObjectInContextCompartment(arg, cx));
  return GetOrCreateDOMReflector(cx, impl, args.rval());
}


} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53