JSMessageEventCustom.cpp [plain text]
#include "config.h"
#include "JSMessageEvent.h"
#include "JSBlob.h"
#include "JSDOMBinding.h"
#include "JSDOMWindow.h"
#include "JSEventTarget.h"
#include "JSMessagePortCustom.h"
#include "MessageEvent.h"
#include <runtime/JSArray.h>
#include <runtime/JSArrayBuffer.h>
using namespace JSC;
namespace WebCore {
JSValue JSMessageEvent::data(ExecState* exec) const
{
if (JSValue cachedValue = m_data.get())
return cachedValue;
MessageEvent& event = impl();
JSValue result;
switch (event.dataType()) {
case MessageEvent::DataTypeScriptValue: {
Deprecated::ScriptValue scriptValue = event.dataAsScriptValue();
if (scriptValue.hasNoValue())
result = jsNull();
else
result = scriptValue.jsValue();
break;
}
case MessageEvent::DataTypeSerializedScriptValue:
if (RefPtr<SerializedScriptValue> serializedValue = event.dataAsSerializedScriptValue()) {
MessagePortArray ports = impl().ports();
result = serializedValue->deserialize(exec, globalObject(), &ports, NonThrowing);
} else
result = jsNull();
break;
case MessageEvent::DataTypeString:
result = jsStringWithCache(exec, event.dataAsString());
break;
case MessageEvent::DataTypeBlob:
result = toJS(exec, globalObject(), event.dataAsBlob());
break;
case MessageEvent::DataTypeArrayBuffer:
result = toJS(exec, globalObject(), event.dataAsArrayBuffer());
break;
}
const_cast<JSMessageEvent*>(this)->m_data.set(exec->vm(), this, result);
return result;
}
static JSC::JSValue handleInitMessageEvent(JSMessageEvent* jsEvent, JSC::ExecState* exec)
{
const String& typeArg = exec->argument(0).toString(exec)->value(exec);
bool canBubbleArg = exec->argument(1).toBoolean(exec);
bool cancelableArg = exec->argument(2).toBoolean(exec);
const String originArg = exec->argument(4).toString(exec)->value(exec);
const String lastEventIdArg = exec->argument(5).toString(exec)->value(exec);
DOMWindow* sourceArg = toDOMWindow(exec->argument(6));
std::unique_ptr<MessagePortArray> messagePorts;
OwnPtr<ArrayBufferArray> arrayBuffers;
if (!exec->argument(7).isUndefinedOrNull()) {
messagePorts = std::make_unique<MessagePortArray>();
arrayBuffers = adoptPtr(new ArrayBufferArray);
fillMessagePortArray(exec, exec->argument(7), *messagePorts, *arrayBuffers);
if (exec->hadException())
return jsUndefined();
}
Deprecated::ScriptValue dataArg = Deprecated::ScriptValue(exec->vm(), exec->argument(3));
if (exec->hadException())
return jsUndefined();
MessageEvent& event = jsEvent->impl();
event.initMessageEvent(typeArg, canBubbleArg, cancelableArg, dataArg, originArg, lastEventIdArg, sourceArg, WTF::move(messagePorts));
jsEvent->m_data.set(exec->vm(), jsEvent, dataArg.jsValue());
return jsUndefined();
}
JSC::JSValue JSMessageEvent::initMessageEvent(JSC::ExecState* exec)
{
return handleInitMessageEvent(this, exec);
}
JSC::JSValue JSMessageEvent::webkitInitMessageEvent(JSC::ExecState* exec)
{
return handleInitMessageEvent(this, exec);
}
}