/* THIS FILE IS AUTOGENERATED FROM FileSystem.webidl BY Codegen.py - DO NOT EDIT */

#include "AtomList.h"

#include "FileSystemBinding.h"

#include "WrapperFactory.h"

#include "mozilla/OwningNonNull.h"

#include "mozilla/dom/BindingUtils.h"

#include "mozilla/dom/DOMException.h"

#include "mozilla/dom/DOMJSClass.h"

#include "mozilla/dom/FileSystem.h"

#include "mozilla/dom/FileSystemDirectoryEntry.h"

#include "mozilla/dom/FileSystemEntry.h"

#include "mozilla/dom/NonRefcountedDOMObject.h"

#include "mozilla/dom/PrimitiveConversions.h"

#include "mozilla/dom/ScriptSettings.h"

#include "mozilla/dom/SimpleGlobalObject.h"

#include "mozilla/dom/XrayExpandoClass.h"

namespace mozilla {

namespace dom {

namespace binding_detail {}; // Just to make sure it's known as a namespace

using namespace mozilla::dom::binding_detail;

FileSystemFlags::FileSystemFlags()

{

  // Safe to pass a null context if we pass a null value

  Init(nullptr, JS::NullHandleValue);

}

bool

FileSystemFlags::InitIds(JSContext* cx, FileSystemFlagsAtoms* atomsCache)

{

  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one

  // uninitialized.

  if (!atomsCache->exclusive_id.init(cx, "exclusive") ||

      !atomsCache->create_id.init(cx, "create")) {

    return false;

  }

  return true;

}

bool

FileSystemFlags::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());

  FileSystemFlagsAtoms* atomsCache = nullptr;

  if (cx) {

    atomsCache = GetAtomCache<FileSystemFlagsAtoms>(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->create_id, temp.ptr())) {

      return false;

    }

  }

  if (!isNull && !temp->isUndefined()) {

    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mCreate)) {

      return false;

    }

  } else {

    mCreate = false;

  }

  mIsAnyMemberPresent = true;

  if (!isNull) {

    if (!JS_GetPropertyById(cx, *object, atomsCache->exclusive_id, temp.ptr())) {

      return false;

    }

  }

  if (!isNull && !temp->isUndefined()) {

    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mExclusive)) {

      return false;

    }

  } else {

    mExclusive = false;

  }

  mIsAnyMemberPresent = true;

  return true;

}

bool

FileSystemFlags::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

FileSystemFlags::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const

{

  FileSystemFlagsAtoms* atomsCache = GetAtomCache<FileSystemFlagsAtoms>(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);

    bool const & currentValue = mCreate;

    temp.setBoolean(currentValue);

    if (!JS_DefinePropertyById(cx, obj, atomsCache->create_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 = mExclusive;

    temp.setBoolean(currentValue);

    if (!JS_DefinePropertyById(cx, obj, atomsCache->exclusive_id, temp, JSPROP_ENUMERATE)) {

      return false;

    }

    break;

  } while(false);

  return true;

}

bool

FileSystemFlags::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

FileSystemFlags::TraceDictionary(JSTracer* trc)

{

}

FileSystemFlags&

FileSystemFlags::operator=(const FileSystemFlags& aOther)

{

  DictionaryBase::operator=(aOther);

  mCreate = aOther.mCreate;

  mExclusive = aOther.mExclusive;

  return *this;

}

namespace binding_detail {

} // namespace binding_detail

namespace FileSystem_Binding {

MOZ_CAN_RUN_SCRIPT static bool

get_name(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FileSystem* self, JSJitGetterCallArgs args)

{

  AUTO_PROFILER_LABEL_FAST("get FileSystem.name", DOM, cx);

  DOMString result;

  self->GetName(result);

  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {

    return false;

  }

  return true;

}

static const JSJitInfo name_getterinfo = {

  { (JSJitGetterOp)get_name },

  { prototypes::id::FileSystem },

  { PrototypeTraits<prototypes::id::FileSystem>::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

get_root(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FileSystem* self, JSJitGetterCallArgs args)

{

  AUTO_PROFILER_LABEL_FAST("get FileSystem.root", DOM, cx);

  auto result(StrongOrRawPtr<mozilla::dom::FileSystemDirectoryEntry>(self->Root()));

  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {

    MOZ_ASSERT(JS_IsExceptionPending(cx));

    return false;

  }

  return true;

}

static const JSJitInfo root_getterinfo = {

  { (JSJitGetterOp)get_root },

  { prototypes::id::FileSystem },

  { PrototypeTraits<prototypes::id::FileSystem>::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");

static bool

_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)

{

  mozilla::dom::FileSystem* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FileSystem>(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::FileSystem* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FileSystem>(obj);

  if (self) {

    ClearWrapper(self, self, obj);

    AddForDeferredFinalization<mozilla::dom::FileSystem>(self);

  }

}

static size_t

_objectMoved(JSObject* obj, JSObject* old)

{

  mozilla::dom::FileSystem* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FileSystem>(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 JSPropertySpec sAttributes_specs[] = {

  { "name", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &name_getterinfo, nullptr, nullptr },

  { "root", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &root_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(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,

    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

static uint16_t sNativeProperties_sortedPropertyIndices[2];

static PropertyInfo sNativeProperties_propertyInfos[2];

static const NativePropertiesN<1> sNativeProperties = {

  false, 0,

  false, 0,

  false, 0,

  true,  0 /* sAttributes */,

  false, 0,

  false, 0,

  false, 0,

  -1,

  2,

  sNativeProperties_sortedPropertyIndices,

  {

    { sAttributes, &sNativeProperties_propertyInfos[0] }

  }

};

static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.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::FileSystem,

  PrototypeTraits<prototypes::id::FileSystem>::Depth,

  sNativePropertyHooks,

  "function FileSystem() {\n    [native code]\n}",

  JS::GetRealmFunctionPrototype

};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {

  {

    "FileSystemPrototype",

    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::FileSystem,

  PrototypeTraits<prototypes::id::FileSystem>::Depth,

  sNativePropertyHooks,

  "[object FileSystemPrototype]",

  JS::GetRealmObjectPrototype

};

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 = {

  { "FileSystem",

    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),

    &sClassOps,

    JS_NULL_CLASS_SPEC,

    &sClassExtension,

    JS_NULL_OBJECT_OPS

  },

  { prototypes::id::FileSystem, 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::FileSystem >::value,

  sNativePropertyHooks,

  FindAssociatedGlobalForNative<mozilla::dom::FileSystem>::Get,

  GetProtoObjectHandle,

  GetCCParticipant<mozilla::dom::FileSystem>::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::FileSystem* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)

{

  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::FileSystem>::value,

                "Shouldn't have wrappercached things that are not refcounted.");

  MOZ_ASSERT(static_cast<mozilla::dom::FileSystem*>(aObject) ==

             reinterpret_cast<mozilla::dom::FileSystem*>(aObject),

             "Multiple inheritance for mozilla::dom::FileSystem 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::FileSystem> 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(), nullptr },

  prototypes::id::FileSystem,

  constructors::id::FileSystem,

  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;

    }

    sIdsInited = true;

  }

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::FileSystem);

  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::FileSystem);

  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,

                              &sPrototypeClass.mBase, protoCache,

                              nullptr,

                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,

                              interfaceCache,

                              sNativeProperties.Upcast(),

                              nullptr,

                              "FileSystem", aDefineOnGlobal,

                              nullptr,

                              false);

}

JSObject*

GetConstructorObject(JSContext* aCx)

{

  return GetConstructorObjectHandle(aCx);

}

} // namespace FileSystem_Binding

void

ErrorCallback::HandleEvent(JSContext* cx, JS::Handle<JS::Value> aThisVal, DOMException& err, ErrorResult& aRv)

{

  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 {

    if (!GetOrCreateDOMReflector(cx, err, argv[0])) {

      MOZ_ASSERT(JS_IsExceptionPending(cx));

      aRv.Throw(NS_ERROR_UNEXPECTED);

      return;

    }

    break;

  } while (false);

  bool isCallable = JS::IsCallable(mCallback);

  JS::Rooted<JS::Value> callable(cx);

  if (isCallable) {

    callable = JS::ObjectValue(*mCallback);

  } else {

    ErrorCallbackAtoms* atomsCache = GetAtomCache<ErrorCallbackAtoms>(cx);

    if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||

        !GetCallableProperty(cx, atomsCache->handleEvent_id, &callable)) {

      aRv.Throw(NS_ERROR_UNEXPECTED);

      return;

    }

  }

  JS::Rooted<JS::Value> thisValue(cx, isCallable ? aThisVal.get()

                                                 : JS::ObjectValue(*mCallback));

  if (!JS::Call(cx, thisValue, callable,

                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {

    aRv.NoteJSContextException(cx);

    return;

  }

}

bool

ErrorCallback::InitIds(JSContext* cx, ErrorCallbackAtoms* atomsCache)

{

  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one

  // uninitialized.

  if (!atomsCache->handleEvent_id.init(cx, "handleEvent")) {

    return false;

  }

  return true;

}

void

FileSystemEntryCallback::HandleEvent(JSContext* cx, JS::Handle<JS::Value> aThisVal, FileSystemEntry& entry, ErrorResult& aRv)

{

  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 {

    if (!GetOrCreateDOMReflector(cx, entry, argv[0])) {

      MOZ_ASSERT(JS_IsExceptionPending(cx));

      aRv.Throw(NS_ERROR_UNEXPECTED);

      return;

    }

    break;

  } while (false);

  bool isCallable = JS::IsCallable(mCallback);

  JS::Rooted<JS::Value> callable(cx);

  if (isCallable) {

    callable = JS::ObjectValue(*mCallback);

  } else {

    FileSystemEntryCallbackAtoms* atomsCache = GetAtomCache<FileSystemEntryCallbackAtoms>(cx);

    if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||

        !GetCallableProperty(cx, atomsCache->handleEvent_id, &callable)) {

      aRv.Throw(NS_ERROR_UNEXPECTED);

      return;

    }

  }

  JS::Rooted<JS::Value> thisValue(cx, isCallable ? aThisVal.get()

                                                 : JS::ObjectValue(*mCallback));

  if (!JS::Call(cx, thisValue, callable,

                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {

    aRv.NoteJSContextException(cx);

    return;

  }

}

bool

FileSystemEntryCallback::InitIds(JSContext* cx, FileSystemEntryCallbackAtoms* atomsCache)

{

  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one

  // uninitialized.

  if (!atomsCache->handleEvent_id.init(cx, "handleEvent")) {

    return false;

  }

  return true;

}

void

VoidCallback::HandleEvent(JSContext* cx, JS::Handle<JS::Value> aThisVal, ErrorResult& aRv)

{

  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  bool isCallable = JS::IsCallable(mCallback);

  JS::Rooted<JS::Value> callable(cx);

  if (isCallable) {

    callable = JS::ObjectValue(*mCallback);

  } else {

    VoidCallbackAtoms* atomsCache = GetAtomCache<VoidCallbackAtoms>(cx);

    if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||

        !GetCallableProperty(cx, atomsCache->handleEvent_id, &callable)) {

      aRv.Throw(NS_ERROR_UNEXPECTED);

      return;

    }

  }

  JS::Rooted<JS::Value> thisValue(cx, isCallable ? aThisVal.get()

                                                 : JS::ObjectValue(*mCallback));

  if (!JS::Call(cx, thisValue, callable,

                JS::HandleValueArray::empty(), &rval)) {

    aRv.NoteJSContextException(cx);

    return;

  }

}

bool

VoidCallback::InitIds(JSContext* cx, VoidCallbackAtoms* atomsCache)

{

  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one

  // uninitialized.

  if (!atomsCache->handleEvent_id.init(cx, "handleEvent")) {

    return false;

  }

  return true;

}

namespace binding_detail {

} // namespace binding_detail

namespace binding_detail {

} // namespace binding_detail

namespace binding_detail {

} // namespace binding_detail

} // namespace dom

} // namespace mozilla