/* | |
* 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 "JSMessagePort.h" | |
#include "AtomicString.h" | |
#include "Event.h" | |
#include "ExceptionCode.h" | |
#include "Frame.h" | |
#include "JSDOMGlobalObject.h" | |
#include "JSEvent.h" | |
#include "JSEventListener.h" | |
#include "JSMessagePortCustom.h" | |
#include "MessagePort.h" | |
#include <runtime/Error.h> | |
using namespace JSC; | |
namespace WebCore { | |
void JSMessagePort::markChildren(MarkStack& markStack) | |
{ | |
Base::markChildren(markStack); | |
// If we have a locally entangled port, we can directly mark it as reachable. Ports that are remotely entangled are marked in-use by markActiveObjectsForContext(). | |
if (MessagePort* entangledPort = m_impl->locallyEntangledPort()) | |
markDOMObjectWrapper(markStack, *Heap::heap(this)->globalData(), entangledPort); | |
m_impl->markJSEventListeners(markStack); | |
} | |
JSValue JSMessagePort::addEventListener(ExecState* exec, const ArgList& args) | |
{ | |
JSValue listener = args.at(1); | |
if (!listener.isObject()) | |
return jsUndefined(); | |
impl()->addEventListener(args.at(0).toString(exec), JSEventListener::create(asObject(listener), this, false, currentWorld(exec)).get(), args.at(2).toBoolean(exec)); | |
return jsUndefined(); | |
} | |
JSValue JSMessagePort::removeEventListener(ExecState* exec, const ArgList& args) | |
{ | |
JSValue listener = args.at(1); | |
if (!listener.isObject()) | |
return jsUndefined(); | |
impl()->removeEventListener(args.at(0).toString(exec), JSEventListener::create(asObject(listener), this, false, currentWorld(exec)).get(), args.at(2).toBoolean(exec)); | |
return jsUndefined(); | |
} | |
JSC::JSValue JSMessagePort::postMessage(JSC::ExecState* exec, const JSC::ArgList& args) | |
{ | |
return handlePostMessage(exec, args, impl()); | |
} | |
void fillMessagePortArray(JSC::ExecState* exec, JSC::JSValue value, MessagePortArray& portArray) | |
{ | |
// Convert from the passed-in JS array-like object to a MessagePortArray. | |
// Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3 of the HTML5 spec. | |
if (value.isUndefinedOrNull()) { | |
portArray.resize(0); | |
return; | |
} | |
// Validation of sequence types, per WebIDL spec 4.1.13. | |
unsigned length; | |
JSObject* object = toJSSequence(exec, value, length); | |
if (exec->hadException()) | |
return; | |
portArray.resize(length); | |
for (unsigned i = 0 ; i < length; ++i) { | |
JSValue value = object->get(exec, i); | |
if (exec->hadException()) | |
return; | |
// Validation of non-null objects, per HTML5 spec 8.3.3. | |
if (value.isUndefinedOrNull()) { | |
setDOMException(exec, INVALID_STATE_ERR); | |
return; | |
} | |
// Validation of Objects implementing an interface, per WebIDL spec 4.1.15. | |
RefPtr<MessagePort> port = toMessagePort(value); | |
if (!port) { | |
throwError(exec, TypeError); | |
return; | |
} | |
portArray[i] = port.release(); | |
} | |
} | |
} // namespace WebCore |