/* * Copyright (C) 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: * 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. AND ITS 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 APPLE INC. OR ITS 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. */ #pragma once #include "MessagePortIdentifier.h" #include "SerializedScriptValue.h" #include <wtf/RefPtr.h> namespace WebCore { // When a message port is transferred, it is represented by a pair of identifiers. // The first identifier is the port being transferred and the second is its remote port. using TransferredMessagePort = std::pair<WebCore::MessagePortIdentifier, WebCore::MessagePortIdentifier>; using TransferredMessagePortArray = Vector<TransferredMessagePort>; struct MessageWithMessagePorts { RefPtr<SerializedScriptValue> message; TransferredMessagePortArray transferredPorts; template<class Encoder> void encode(Encoder&) const; template<class Decoder> static Optional<MessageWithMessagePorts> decode(Decoder&); }; template<class Encoder> void MessageWithMessagePorts::encode(Encoder& encoder) const { ASSERT(message); encoder << *message << transferredPorts; } template<class Decoder> Optional<MessageWithMessagePorts> MessageWithMessagePorts::decode(Decoder& decoder) { MessageWithMessagePorts result; result.message = SerializedScriptValue::decode(decoder); if (!result.message) return WTF::nullopt; if (!decoder.decode(result.transferredPorts)) return WTF::nullopt; return result; } } // namespace WebCore