EncodedJSValue JSC_HOST_CALL constructJSRTCPeerConnection(ExecState* exec)
{
// Spec says that we must have at least one arument, the RTCConfiguration.
if (exec->argumentCount() < 1)
return throwVMError(exec, createNotEnoughArgumentsError(exec));
ExceptionCode ec = 0;
Dictionary rtcConfiguration(exec, exec->argument(0));
if (exec->hadException())
return JSValue::encode(jsUndefined());
if (!rtcConfiguration.isObject())
return throwVMError(exec, createTypeError(exec, "RTCPeerConnection argument must be a valid Dictionary"));
DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec->callee());
ScriptExecutionContext* scriptExecutionContext = jsConstructor->scriptExecutionContext();
if (!scriptExecutionContext)
return throwVMError(exec, createReferenceError(exec, "RTCPeerConnection constructor associated document is unavailable"));
auto peerConnection = RTCPeerConnection::create(*scriptExecutionContext, rtcConfiguration, ec);
if (ec == TYPE_MISMATCH_ERR) {
setDOMException(exec, ec);
return throwVMError(exec, createTypeError(exec, "Invalid RTCPeerConnection constructor arguments"));
}
if (ec) {
setDOMException(exec, ec);
return throwVMError(exec, createTypeError(exec, "Error creating RTCPeerConnection"));
}
return JSValue::encode(CREATE_DOM_WRAPPER(jsConstructor->globalObject(), RTCPeerConnection, peerConnection.releaseNonNull()));
}
EncodedJSValue JSC_HOST_CALL constructJSRTCSessionDescription(ExecState* exec)
{
ExceptionCode ec = 0;
Dictionary sessionInit;
if (exec->argumentCount() > 0) {
sessionInit = Dictionary(exec, exec->argument(0));
if (!sessionInit.isObject())
return throwVMError(exec, createTypeError(exec, "Optional RTCSessionDescription constructor argument must be a valid Dictionary"));
if (exec->hadException())
return JSValue::encode(jsUndefined());
}
DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec->callee());
RefPtr<RTCSessionDescription> sessionDescription = RTCSessionDescription::create(sessionInit, ec);
if (ec == TYPE_MISMATCH_ERR) {
setDOMException(exec, ec);
return throwVMError(exec, createTypeError(exec, "Invalid RTCSessionDescription constructor arguments"));
}
if (ec) {
setDOMException(exec, ec);
return throwVMError(exec, createTypeError(exec, "Error creating RTCSessionDescription"));
}
return JSValue::encode(CREATE_DOM_WRAPPER(jsConstructor->globalObject(), RTCSessionDescription, sessionDescription.get()));
}
EncodedJSValue JSC_HOST_CALL constructJSWorker(ExecState& exec)
{
VM& vm = exec.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec.callee());
if (!exec.argumentCount())
return throwVMError(&exec, scope, createNotEnoughArgumentsError(&exec));
String scriptURL = exec.uncheckedArgument(0).toWTFString(&exec);
if (exec.hadException())
return JSValue::encode(JSValue());
// See section 4.8.2 step 14 of WebWorkers for why this is the lexicalGlobalObject.
DOMWindow& window = asJSDOMWindow(exec.lexicalGlobalObject())->wrapped();
ExceptionCode ec = 0;
ASSERT(window.document());
RefPtr<Worker> worker = Worker::create(*window.document(), scriptURL, ec);
if (ec) {
setDOMException(&exec, ec);
return JSValue::encode(JSValue());
}
return JSValue::encode(toJSNewlyCreated(&exec, jsConstructor->globalObject(), WTFMove(worker)));
}
EncodedJSValue JSC_HOST_CALL constructJSDataCue(ExecState* exec)
{
DOMConstructorObject* castedThis = jsCast<DOMConstructorObject*>(exec->callee());
if (exec->argumentCount() < 3)
return throwVMError(exec, createNotEnoughArgumentsError(exec));
ExceptionCode ec = 0;
double startTime(exec->argument(0).toNumber(exec));
if (UNLIKELY(exec->hadException()))
return JSValue::encode(jsUndefined());
double endTime(exec->argument(1).toNumber(exec));
if (UNLIKELY(exec->hadException()))
return JSValue::encode(jsUndefined());
ScriptExecutionContext* context = castedThis->scriptExecutionContext();
if (!context)
return throwConstructorDocumentUnavailableError(*exec, "DataCue");
String type;
#if ENABLE(DATACUE_VALUE)
if (exec->argumentCount() > 3) {
if (!exec->argument(3).isString())
return throwVMError(exec, createTypeError(exec, "Second argument of the constructor is not of type String"));
type = exec->argument(3).getString(exec);
}
#endif
JSValue valueArgument = exec->argument(2);
if (valueArgument.isUndefinedOrNull()) {
setDOMException(exec, TypeError);
return JSValue::encode(JSValue());
}
RefPtr<DataCue> object;
if (valueArgument.isCell() && valueArgument.asCell()->inherits(std::remove_pointer<JSArrayBuffer*>::type::info())) {
ArrayBuffer* data(toArrayBuffer(valueArgument));
if (UNLIKELY(exec->hadException()))
return JSValue::encode(jsUndefined());
object = DataCue::create(*context, startTime, endTime, data, type, ec);
if (ec) {
setDOMException(exec, ec);
return JSValue::encode(JSValue());
}
return JSValue::encode(asObject(toJS(exec, castedThis->globalObject(), object.get())));
}
#if !ENABLE(DATACUE_VALUE)
return JSValue::encode(jsUndefined());
#else
object = DataCue::create(*context, startTime, endTime, valueArgument, type);
return JSValue::encode(asObject(toJS(exec, castedThis->globalObject(), object.get())));
#endif
}
EncodedJSValue JSC_HOST_CALL constructJSMutationObserver(ExecState* exec)
{
if (exec->argumentCount() < 1)
return throwVMError(exec, createNotEnoughArgumentsError(exec));
JSObject* object = exec->argument(0).getObject();
CallData callData;
if (!object || object->methodTable()->getCallData(object, callData) == CallType::None)
return throwVMError(exec, createTypeError(exec, "Callback argument must be a function"));
DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec->callee());
auto callback = JSMutationCallback::create(object, jsConstructor->globalObject());
JSObject* jsObserver = asObject(toJS(exec, jsConstructor->globalObject(), MutationObserver::create(WTFMove(callback))));
PrivateName propertyName;
jsObserver->putDirect(jsConstructor->globalObject()->vm(), propertyName, object);
return JSValue::encode(jsObserver);
}
EncodedJSValue JSC_HOST_CALL constructJSMutationObserver(ExecState& exec)
{
VM& vm = exec.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (exec.argumentCount() < 1)
return throwVMError(&exec, scope, createNotEnoughArgumentsError(&exec));
JSObject* object = exec.uncheckedArgument(0).getObject();
CallData callData;
if (!object || object->methodTable()->getCallData(object, callData) == CallType::None)
return throwArgumentTypeError(exec, scope, 0, "callback", "MutationObserver", nullptr, "MutationCallback");
DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec.jsCallee());
auto callback = JSMutationCallback::create(object, jsConstructor->globalObject());
JSObject* jsObserver = asObject(toJSNewlyCreated(&exec, jsConstructor->globalObject(), MutationObserver::create(WTFMove(callback))));
PrivateName propertyName;
jsObserver->putDirect(vm, propertyName, object);
return JSValue::encode(jsObserver);
}
EncodedJSValue JSC_HOST_CALL constructJSWorker(ExecState* exec)
{
DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec->callee());
if (!exec->argumentCount())
return throwVMError(exec, createNotEnoughArgumentsError(exec));
String scriptURL = exec->argument(0).toString(exec)->value(exec);
if (exec->hadException())
return JSValue::encode(JSValue());
// See section 4.8.2 step 14 of WebWorkers for why this is the lexicalGlobalObject.
DOMWindow& window = asJSDOMWindow(exec->lexicalGlobalObject())->impl();
ExceptionCode ec = 0;
ASSERT(window.document());
RefPtr<Worker> worker = Worker::create(*window.document(), scriptURL, ec);
if (ec) {
setDOMException(exec, ec);
return JSValue::encode(JSValue());
}
return JSValue::encode(asObject(toJS(exec, jsConstructor->globalObject(), worker.release())));
}
EncodedJSValue JSC_HOST_CALL constructJSAudioContext(ExecState* exec)
{
DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec->callee());
if (!jsConstructor)
return throwVMError(exec, createReferenceError(exec, "AudioContext constructor callee is unavailable"));
ScriptExecutionContext* scriptExecutionContext = jsConstructor->scriptExecutionContext();
if (!scriptExecutionContext)
return throwVMError(exec, createReferenceError(exec, "AudioContext constructor script execution context is unavailable"));
if (!scriptExecutionContext->isDocument())
return throwVMError(exec, createReferenceError(exec, "AudioContext constructor called in a script execution context which is not a document"));
Document& document = toDocument(*scriptExecutionContext);
RefPtr<AudioContext> audioContext;
if (!exec->argumentCount()) {
// Constructor for default AudioContext which talks to audio hardware.
ExceptionCode ec = 0;
audioContext = AudioContext::create(document, ec);
if (ec) {
setDOMException(exec, ec);
return JSValue::encode(JSValue());
}
if (!audioContext.get())
return throwVMError(exec, createSyntaxError(exec, "audio resources unavailable for AudioContext construction"));
} else {
#if ENABLE(LEGACY_WEB_AUDIO)
// Constructor for offline (render-target) AudioContext which renders into an AudioBuffer.
// new AudioContext(in unsigned long numberOfChannels, in unsigned long numberOfFrames, in float sampleRate);
document.addConsoleMessage(MessageSource::JS, MessageLevel::Warning, ASCIILiteral("Deprecated AudioContext constructor: use OfflineAudioContext instead"));
if (exec->argumentCount() < 3)
return throwVMError(exec, createNotEnoughArgumentsError(exec));
int32_t numberOfChannels = exec->argument(0).toInt32(exec);
int32_t numberOfFrames = exec->argument(1).toInt32(exec);
float sampleRate = exec->argument(2).toFloat(exec);
if (numberOfChannels <= 0 || numberOfChannels > 10)
return throwVMError(exec, createSyntaxError(exec, "Invalid number of channels"));
if (numberOfFrames <= 0)
return throwVMError(exec, createSyntaxError(exec, "Invalid number of frames"));
if (sampleRate <= 0)
return throwVMError(exec, createSyntaxError(exec, "Invalid sample rate"));
ExceptionCode ec = 0;
audioContext = OfflineAudioContext::create(document, numberOfChannels, numberOfFrames, sampleRate, ec);
if (ec) {
setDOMException(exec, ec);
return throwVMError(exec, createSyntaxError(exec, "Error creating OfflineAudioContext"));
}
#else
return throwVMError(exec, createSyntaxError(exec, "Illegal AudioContext constructor"));
#endif
}
if (!audioContext.get())
return throwVMError(exec, createReferenceError(exec, "Error creating AudioContext"));
return JSValue::encode(CREATE_DOM_WRAPPER(jsConstructor->globalObject(), AudioContext, audioContext.get()));
}