/* * 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 "Process.h" #include <wtf/Function.h> #include <wtf/Vector.h> namespace WebCore { struct MessagePortIdentifier; struct MessageWithMessagePorts; class MessagePortChannelProvider { public: static MessagePortChannelProvider& singleton(); WEBCORE_EXPORT static void setSharedProvider(MessagePortChannelProvider&); virtual ~MessagePortChannelProvider() { } // Operations that WebProcesses perform virtual void createNewMessagePortChannel(const MessagePortIdentifier& local, const MessagePortIdentifier& remote) = 0; virtual void entangleLocalPortInThisProcessToRemote(const MessagePortIdentifier& local, const MessagePortIdentifier& remote) = 0; virtual void messagePortDisentangled(const MessagePortIdentifier& local) = 0; virtual void messagePortClosed(const MessagePortIdentifier& local) = 0; virtual void takeAllMessagesForPort(const MessagePortIdentifier&, Function<void(Vector<MessageWithMessagePorts>&&, Function<void()>&&)>&&) = 0; virtual void postMessageToRemote(MessageWithMessagePorts&&, const MessagePortIdentifier& remoteTarget) = 0; enum class HasActivity { Yes, No, }; virtual void checkRemotePortForActivity(const MessagePortIdentifier& remoteTarget, CompletionHandler<void(HasActivity)>&& callback) = 0; // Operations that the coordinating process performs (e.g. the UIProcess) virtual void checkProcessLocalPortForActivity(const MessagePortIdentifier&, ProcessIdentifier, CompletionHandler<void(HasActivity)>&&) = 0; private: }; } // namespace WebCore