1/*
2 * Copyright (C) 2015 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#if ENABLE(INDEXED_DATABASE)
29
30#include "IDBConnectionToClient.h"
31#include "IDBRequestData.h"
32#include <wtf/HashSet.h>
33#include <wtf/Ref.h>
34#include <wtf/RefCounted.h>
35
36namespace WebCore {
37
38class IDBDatabaseInfo;
39
40namespace IDBServer {
41
42class ServerOpenDBRequest : public RefCounted<ServerOpenDBRequest> {
43public:
44 static Ref<ServerOpenDBRequest> create(IDBConnectionToClient&, const IDBRequestData&);
45
46 IDBConnectionToClient& connection() { return m_connection; }
47 const IDBRequestData& requestData() const { return m_requestData; }
48
49 bool isOpenRequest() const;
50 bool isDeleteRequest() const;
51
52 void maybeNotifyRequestBlocked(uint64_t currentVersion);
53 void notifyDidDeleteDatabase(const IDBDatabaseInfo&);
54
55 uint64_t versionChangeID() const;
56
57 void notifiedConnectionsOfVersionChange(HashSet<uint64_t>&& connectionIdentifiers);
58 void connectionClosedOrFiredVersionChangeEvent(uint64_t connectionIdentifier);
59 bool hasConnectionsPendingVersionChangeEvent() const { return !m_connectionsPendingVersionChangeEvent.isEmpty(); }
60 bool hasNotifiedConnectionsOfVersionChange() const { return m_notifiedConnectionsOfVersionChange; }
61
62
63private:
64 ServerOpenDBRequest(IDBConnectionToClient&, const IDBRequestData&);
65
66 Ref<IDBConnectionToClient> m_connection;
67 IDBRequestData m_requestData;
68
69 bool m_notifiedBlocked { false };
70
71 bool m_notifiedConnectionsOfVersionChange { false };
72 HashSet<uint64_t> m_connectionsPendingVersionChangeEvent;
73};
74
75} // namespace IDBServer
76} // namespace WebCore
77
78#endif // ENABLE(INDEXED_DATABASE)
79