1/*
2 * Copyright (C) 2013 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#ifndef DatabaseToWebProcessConnection_h
27#define DatabaseToWebProcessConnection_h
28
29#include "Connection.h"
30#include "DatabaseProcessIDBConnection.h"
31#include "MessageSender.h"
32
33#include <wtf/HashMap.h>
34
35#if ENABLE(DATABASE_PROCESS)
36
37namespace WebKit {
38
39class DatabaseToWebProcessConnection : public RefCounted<DatabaseToWebProcessConnection>, public IPC::Connection::Client, public IPC::MessageSender {
40public:
41    static PassRefPtr<DatabaseToWebProcessConnection> create(IPC::Connection::Identifier);
42    ~DatabaseToWebProcessConnection();
43
44    IPC::Connection* connection() const { return m_connection.get(); }
45
46private:
47    DatabaseToWebProcessConnection(IPC::Connection::Identifier);
48
49    // IPC::Connection::Client
50    virtual void didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&) override;
51    virtual void didReceiveSyncMessage(IPC::Connection*, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override;
52    virtual void didClose(IPC::Connection*) override;
53    virtual void didReceiveInvalidMessage(IPC::Connection*, IPC::StringReference messageReceiverName, IPC::StringReference messageName) override;
54    void didReceiveDatabaseToWebProcessConnectionMessage(IPC::Connection*, IPC::MessageDecoder&);
55
56    // IPC::MessageSender
57    virtual IPC::Connection* messageSenderConnection() override { return m_connection.get(); }
58    virtual uint64_t messageSenderDestinationID() override { return 0; }
59
60#if ENABLE(INDEXED_DATABASE)
61    // Messages handlers
62    void establishIDBConnection(uint64_t serverConnectionIdentifier);
63    void removeDatabaseProcessIDBConnection(uint64_t serverConnectionIdentifier);
64
65    typedef HashMap<uint64_t, RefPtr<DatabaseProcessIDBConnection>> IDBConnectionMap;
66    IDBConnectionMap m_idbConnections;
67#endif // ENABLE(INDEXED_DATABASE)
68
69    RefPtr<IPC::Connection> m_connection;
70};
71
72} // namespace WebKit
73
74#endif // ENABLE(DATABASE_PROCESS)
75#endif // DatabaseToWebProcessConnection_h
76