blob: ff68ef334086696e584dd37a133834bb1301bcbd [file] [log] [blame]
/*
* Copyright (C) 2009 Google Inc. All rights reserved.
* Copyright (C) 2009-2018 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"
#include "JSMessageEvent.h"
#include "JSBlob.h"
#include "JSDOMBinding.h"
#include "JSDOMConvert.h"
#include "JSDOMWindow.h"
#include "JSEventTarget.h"
#include "JSMessagePort.h"
#include <JavaScriptCore/JSArray.h>
#include <JavaScriptCore/JSArrayBuffer.h>
namespace WebCore {
JSC::JSValue JSMessageEvent::ports(JSC::ExecState& state) const
{
auto throwScope = DECLARE_THROW_SCOPE(state.vm());
return cachedPropertyValue(state, *this, wrapped().cachedPorts(), [&] {
JSC::JSValue ports = toJS<IDLFrozenArray<IDLInterface<MessagePort>>>(state, *globalObject(), throwScope, wrapped().ports());
return ports;
});
}
JSC::JSValue JSMessageEvent::data(JSC::ExecState& state) const
{
return cachedPropertyValue(state, *this, wrapped().cachedData(), [this, &state] {
return WTF::switchOn(wrapped().data(), [] (JSC::JSValue data) {
return data ? data : JSC::jsNull();
}, [this, &state] (const Ref<SerializedScriptValue>& data) {
// FIXME: Is it best to handle errors by returning null rather than throwing an exception?
return data->deserialize(state, globalObject(), wrapped().ports(), SerializationErrorMode::NonThrowing);
}, [&state] (const String& data) {
return toJS<IDLDOMString>(state, data);
}, [this, &state] (const Ref<Blob>& data) {
return toJS<IDLInterface<Blob>>(state, *globalObject(), data);
}, [this, &state] (const Ref<ArrayBuffer>& data) {
return toJS<IDLInterface<ArrayBuffer>>(state, *globalObject(), data);
});
});
}
void JSMessageEvent::visitAdditionalChildren(JSC::SlotVisitor& visitor)
{
WTF::switchOn(wrapped().data(), [&visitor] (const JSValueInWrappedObject& data) {
data.visit(visitor);
}, [] (const Ref<SerializedScriptValue>&) {
}, [] (const String&) {
}, [] (const Ref<Blob>&) {
}, [] (const Ref<ArrayBuffer>&) {
});
wrapped().cachedData().visit(visitor);
wrapped().cachedPorts().visit(visitor);
}
} // namespace WebCore