JSMessageEventCustom.cpp [plain text]
#include "config.h"
#include "JSMessageEvent.h"
#include "JSArrayBuffer.h"
#include "JSBlob.h"
#include "JSDOMBinding.h"
#include "JSDOMWindow.h"
#include "JSEventTarget.h"
#include "JSMessagePortCustom.h"
#include "MessageEvent.h"
#include <runtime/JSArray.h>
using namespace JSC;
namespace WebCore {
JSValue JSMessageEvent::data(ExecState* exec) const
{
if (JSValue cachedValue = m_data.get())
return cachedValue;
MessageEvent* event = static_cast<MessageEvent*>(impl());
JSValue result;
switch (event->dataType()) {
case MessageEvent::DataTypeScriptValue: {
ScriptValue scriptValue = event->dataAsScriptValue();
if (scriptValue.hasNoValue())
result = jsNull();
else
result = scriptValue.jsValue();
break;
}
case MessageEvent::DataTypeSerializedScriptValue:
if (SerializedScriptValue* serializedValue = event->dataAsSerializedScriptValue()) {
MessagePortArray* ports = static_cast<MessageEvent*>(impl())->ports();
result = serializedValue->deserialize(exec, globalObject(), ports, NonThrowing);
}
else
result = jsNull();
break;
case MessageEvent::DataTypeString:
result = jsString(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->globalData(), this, result);
return result;
}
JSValue JSMessageEvent::ports(ExecState* exec) const
{
MessagePortArray* ports = static_cast<MessageEvent*>(impl())->ports();
if (!ports)
return constructEmptyArray(exec, globalObject());
MarkedArgumentBuffer list;
for (size_t i = 0; i < ports->size(); i++)
list.append(toJS(exec, globalObject(), (*ports)[i].get()));
return constructArray(exec, globalObject(), list);
}
static JSC::JSValue handleInitMessageEvent(JSMessageEvent* jsEvent, JSC::ExecState* exec)
{
const UString& typeArg = exec->argument(0).toString(exec)->value(exec);
bool canBubbleArg = exec->argument(1).toBoolean(exec);
bool cancelableArg = exec->argument(2).toBoolean(exec);
const UString& originArg = exec->argument(4).toString(exec)->value(exec);
const UString& lastEventIdArg = exec->argument(5).toString(exec)->value(exec);
DOMWindow* sourceArg = toDOMWindow(exec->argument(6));
OwnPtr<MessagePortArray> messagePorts;
OwnPtr<ArrayBufferArray> arrayBuffers;
if (!exec->argument(7).isUndefinedOrNull()) {
messagePorts = adoptPtr(new MessagePortArray);
arrayBuffers = adoptPtr(new ArrayBufferArray);
fillMessagePortArray(exec, exec->argument(7), *messagePorts, *arrayBuffers);
if (exec->hadException())
return jsUndefined();
}
ScriptValue dataArg = ScriptValue(exec->globalData(), exec->argument(3));
if (exec->hadException())
return jsUndefined();
MessageEvent* event = static_cast<MessageEvent*>(jsEvent->impl());
event->initMessageEvent(ustringToAtomicString(typeArg), canBubbleArg, cancelableArg, dataArg, ustringToString(originArg), ustringToString(lastEventIdArg), sourceArg, messagePorts.release());
jsEvent->m_data.set(exec->globalData(), 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);
}
}