void MessagePort::postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray* ports, ExceptionState& exceptionState)
{
if (!isEntangled())
return;
ASSERT(executionContext());
ASSERT(m_entangledChannel);
OwnPtr<MessagePortChannelArray> channels;
// Make sure we aren't connected to any of the passed-in ports.
if (ports) {
for (unsigned i = 0; i < ports->size(); ++i) {
MessagePort* dataPort = (*ports)[i].get();
if (dataPort == this) {
exceptionState.throwDOMException(DataCloneError, "Port at index " + String::number(i) + " contains the source port.");
return;
}
}
channels = MessagePort::disentanglePorts(ports, exceptionState);
if (exceptionState.hadException())
return;
}
blink::WebString messageString = message->toWireString();
OwnPtr<blink::WebMessagePortChannelArray> webChannels = toWebMessagePortChannelArray(channels.release());
m_entangledChannel->postMessage(messageString, webChannels.leakPtr());
}
void MessagePort::postMessage(ExecutionContext* context,
PassRefPtr<SerializedScriptValue> message,
const MessagePortArray& ports,
ExceptionState& exceptionState) {
if (!isEntangled())
return;
DCHECK(getExecutionContext());
DCHECK(m_entangledChannel);
// Make sure we aren't connected to any of the passed-in ports.
for (unsigned i = 0; i < ports.size(); ++i) {
if (ports[i] == this) {
exceptionState.throwDOMException(
DataCloneError,
"Port at index " + String::number(i) + " contains the source port.");
return;
}
}
std::unique_ptr<MessagePortChannelArray> channels =
MessagePort::disentanglePorts(context, ports, exceptionState);
if (exceptionState.hadException())
return;
if (message->containsTransferableArrayBuffer())
getExecutionContext()->addConsoleMessage(ConsoleMessage::create(
JSMessageSource, WarningMessageLevel,
"MessagePort cannot send an ArrayBuffer as a transferable object yet. "
"See http://crbug.com/334408"));
WebString messageString = message->toWireString();
std::unique_ptr<WebMessagePortChannelArray> webChannels =
toWebMessagePortChannelArray(std::move(channels));
m_entangledChannel->postMessage(messageString, webChannels.release());
}