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 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 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()));
}