OscillatorNode* OscillatorNode::create(BaseAudioContext* context,
const OscillatorOptions& options,
ExceptionState& exceptionState) {
OscillatorNode* node = create(*context, exceptionState);
if (!node)
return nullptr;
node->handleChannelOptions(options, exceptionState);
if (options.hasType()) {
if (options.type() == "custom" && !options.hasPeriodicWave()) {
exceptionState.throwDOMException(InvalidStateError,
"'type' cannot be set to 'custom' "
"without also specifying "
"'periodicWave'");
return nullptr;
}
if (options.type() != "custom" && options.hasPeriodicWave()) {
exceptionState.throwDOMException(InvalidStateError,
"'type' MUST be 'custom' instead of '" +
options.type() +
"' if 'periodicWave' is also given");
return nullptr;
}
// At this both type and periodicWave are consistently defined. In that
// case, don't set the type if periodicWave is specified because that
// will cause an (incorrect) error to be signaled.
if (options.type() != "custom")
node->setType(options.type(), exceptionState);
}
if (options.hasDetune())
node->detune()->setValue(options.detune());
if (options.hasFrequency())
node->frequency()->setValue(options.frequency());
if (options.hasPeriodicWave())
node->setPeriodicWave(options.periodicWave());
return node;
}
