/* * 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 "JSDOMConvertBufferSource.h" #include "JSDOMConvertInterface.h" #include "JSDOMConvertStrings.h" #include "JSDOMWindow.h" #include "JSEventTarget.h" #include "JSMessagePort.h" #include <JavaScriptCore/JSArray.h> #include <JavaScriptCore/JSArrayBuffer.h> namespace WebCore { 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); } } // namespace WebCore