1/*
2 * Copyright (C) 2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <WebCore/MessagePortChannelProvider.h>
29#include <wtf/CompletionHandler.h>
30#include <wtf/HashMap.h>
31
32namespace WebKit {
33
34class WebMessagePortChannelProvider : public WebCore::MessagePortChannelProvider {
35public:
36 static WebMessagePortChannelProvider& singleton();
37
38 void didTakeAllMessagesForPort(Vector<WebCore::MessageWithMessagePorts>&& messages, uint64_t messageCallbackIdentifier, uint64_t messageBatchIdentifier);
39 void checkProcessLocalPortForActivity(const WebCore::MessagePortIdentifier&, uint64_t callbackIdentifier);
40 void didCheckRemotePortForActivity(uint64_t callbackIdentifier, bool hasActivity);
41
42private:
43 WebMessagePortChannelProvider();
44 ~WebMessagePortChannelProvider() final;
45
46 void createNewMessagePortChannel(const WebCore::MessagePortIdentifier& local, const WebCore::MessagePortIdentifier& remote) final;
47 void entangleLocalPortInThisProcessToRemote(const WebCore::MessagePortIdentifier& local, const WebCore::MessagePortIdentifier& remote) final;
48 void messagePortDisentangled(const WebCore::MessagePortIdentifier& local) final;
49 void messagePortClosed(const WebCore::MessagePortIdentifier& local) final;
50 void takeAllMessagesForPort(const WebCore::MessagePortIdentifier&, Function<void(Vector<WebCore::MessageWithMessagePorts>&&, Function<void()>&&)>&&) final;
51 void postMessageToRemote(WebCore::MessageWithMessagePorts&&, const WebCore::MessagePortIdentifier& remoteTarget) final;
52 void checkProcessLocalPortForActivity(const WebCore::MessagePortIdentifier&, WebCore::ProcessIdentifier, CompletionHandler<void(HasActivity)>&&) final;
53
54 // To be called only in the UI process
55 void checkRemotePortForActivity(const WebCore::MessagePortIdentifier& remoteTarget, CompletionHandler<void(HasActivity)>&& callback) final;
56
57 Lock m_takeAllMessagesCallbackLock;
58 HashMap<uint64_t, CompletionHandler<void(Vector<WebCore::MessageWithMessagePorts>&&, Function<void()>&&)>> m_takeAllMessagesCallbacks;
59 Lock m_remoteActivityCallbackLock;
60 HashMap<uint64_t, CompletionHandler<void(HasActivity)>> m_remoteActivityCallbacks;
61};
62
63} // namespace WebKit
64