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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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 (RefPtr<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 = 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;
}
// Save the result so we don't have to deserialize the value again.
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));
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->vm(), exec->argument(3));
if (exec->hadException())
return jsUndefined();
MessageEvent* event = static_cast<MessageEvent*>(jsEvent->impl());
event->initMessageEvent(typeArg, canBubbleArg, cancelableArg, dataArg, originArg, lastEventIdArg, sourceArg, messagePorts.release());
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);
}
} // namespace WebCore
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