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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2009, 2010 Apple, 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"
#if ENABLE(WEB_SOCKETS)
#include "JSWebSocket.h"
#include "ExceptionCode.h"
#include "JSArrayBuffer.h"
#include "JSBlob.h"
#include "JSEventListener.h"
#include "KURL.h"
#include "WebSocket.h"
#include "WebSocketChannel.h"
#include <runtime/Error.h>
#include <wtf/MathExtras.h>
#include <wtf/Vector.h>
using namespace JSC;
namespace WebCore {
EncodedJSValue JSC_HOST_CALL JSWebSocketConstructor::constructJSWebSocket(ExecState* exec)
{
JSWebSocketConstructor* jsConstructor = jsCast<JSWebSocketConstructor*>(exec->callee());
ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
if (!context)
return throwVMError(exec, createReferenceError(exec, "WebSocket constructor associated document is unavailable"));
if (!exec->argumentCount())
return throwVMError(exec, createNotEnoughArgumentsError(exec));
String urlString = ustringToString(exec->argument(0).toString(exec)->value(exec));
if (exec->hadException())
return throwVMError(exec, createSyntaxError(exec, "wrong URL"));
RefPtr<WebSocket> webSocket = WebSocket::create(context);
ExceptionCode ec = 0;
if (exec->argumentCount() < 2)
webSocket->connect(urlString, ec);
else {
JSValue protocolsValue = exec->argument(1);
if (isJSArray(protocolsValue)) {
Vector<String> protocols;
JSArray* protocolsArray = asArray(protocolsValue);
for (unsigned i = 0; i < protocolsArray->length(); ++i) {
String protocol = ustringToString(protocolsArray->getIndex(i).toString(exec)->value(exec));
if (exec->hadException())
return JSValue::encode(JSValue());
protocols.append(protocol);
}
webSocket->connect(urlString, protocols, ec);
} else {
String protocol = ustringToString(protocolsValue.toString(exec)->value(exec));
if (exec->hadException())
return JSValue::encode(JSValue());
webSocket->connect(urlString, protocol, ec);
}
}
setDOMException(exec, ec);
return JSValue::encode(CREATE_DOM_WRAPPER(exec, jsConstructor->globalObject(), WebSocket, webSocket.get()));
}
JSValue JSWebSocket::send(ExecState* exec)
{
if (!exec->argumentCount())
return throwError(exec, createNotEnoughArgumentsError(exec));
JSValue message = exec->argument(0);
ExceptionCode ec = 0;
bool result;
if (message.inherits(&JSArrayBuffer::s_info))
result = impl()->send(toArrayBuffer(message), ec);
else if (message.inherits(&JSBlob::s_info))
result = impl()->send(toBlob(message), ec);
else {
String stringMessage = ustringToString(message.toString(exec)->value(exec));
if (exec->hadException())
return jsUndefined();
result = impl()->send(stringMessage, ec);
}
if (ec) {
setDOMException(exec, ec);
return jsUndefined();
}
return jsBoolean(result);
}
JSValue JSWebSocket::close(ExecState* exec)
{
// FIXME: We should implement [Clamp] for IDL binding code generator, and
// remove this custom method.
WebSocket* webSocket = static_cast<WebSocket*>(impl());
size_t argumentCount = exec->argumentCount();
int code = WebSocketChannel::CloseEventCodeNotSpecified;
String reason = "";
if (argumentCount >= 1) {
JSValue v = exec->argument(0);
double x = v.toNumber(exec);
double maxValue = static_cast<double>(std::numeric_limits<uint16_t>::max());
double minValue = static_cast<double>(std::numeric_limits<uint16_t>::min());
if (isnan(x))
x = 0.0;
else
x = clampTo(x, minValue, maxValue);
code = clampToInteger(x);
if (argumentCount >= 2) {
reason = ustringToString(exec->argument(1).toString(exec)->value(exec));
if (exec->hadException()) {
setDOMException(exec, SYNTAX_ERR);
return jsUndefined();
}
}
}
ExceptionCode ec = 0;
webSocket->close(code, reason, ec);
setDOMException(exec, ec);
return jsUndefined();
}
} // namespace WebCore
#endif
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