diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/js/JSMessageChannelCustom.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/bindings/js/JSMessageChannelCustom.cpp Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2008, 2009 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: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "JSMessageChannel.h" + +#include "MessageChannel.h" +#include + +using namespace JSC; + +namespace WebCore { + +void JSMessageChannel::markChildren(MarkStack& markStack) +{ + Base::markChildren(markStack); + + if (MessagePort* port = m_impl->port1()) + markDOMObjectWrapper(markStack, *Heap::heap(this)->globalData(), port); + + if (MessagePort* port = m_impl->port2()) + markDOMObjectWrapper(markStack, *Heap::heap(this)->globalData(), port); +} + +EncodedJSValue JSC_HOST_CALL JSMessageChannelConstructor::constructJSMessageChannel(ExecState* exec) +{ + JSMessageChannelConstructor* jsConstructor = static_cast(exec->callee()); + ScriptExecutionContext* context = jsConstructor->scriptExecutionContext(); + if (!context) + return throwVMError(exec, createReferenceError(exec, "MessageChannel constructor associated document is unavailable")); + + return JSValue::encode(asObject(toJS(exec, jsConstructor->globalObject(), MessageChannel::create(context)))); +} + +} // namespace WebCore