1/*
2 * Copyright (C) 2017 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(SERVICE_WORKER)
29
30#include "RegistrationDatabase.h"
31#include "ServiceWorkerContextData.h"
32#include "ServiceWorkerRegistrationData.h"
33#include "ServiceWorkerRegistrationKey.h"
34#include "Timer.h"
35#include <wtf/CompletionHandler.h>
36#include <wtf/HashMap.h>
37#include <wtf/WeakPtr.h>
38#include <wtf/text/WTFString.h>
39
40namespace WebCore {
41
42class SWServer;
43class SWServerRegistration;
44
45class RegistrationStore : public CanMakeWeakPtr<RegistrationStore> {
46WTF_MAKE_FAST_ALLOCATED;
47public:
48 explicit RegistrationStore(SWServer&, String&& databaseDirectory);
49 ~RegistrationStore();
50
51 void clearAll(WTF::CompletionHandler<void()>&&);
52 void flushChanges(WTF::CompletionHandler<void()>&&);
53
54 void startSuspension(WTF::CompletionHandler<void()>&&);
55 void endSuspension();
56
57 // Callbacks from the SWServer
58 void updateRegistration(const ServiceWorkerContextData&);
59 void removeRegistration(SWServerRegistration&);
60
61 // Callbacks from the database
62 void addRegistrationFromDatabase(ServiceWorkerContextData&&);
63 void databaseFailedToOpen();
64 void databaseOpenedAndRecordsImported();
65
66 SWServer& server() { return m_server; };
67
68private:
69 void scheduleDatabasePushIfNecessary();
70 void pushChangesToDatabase(WTF::CompletionHandler<void()>&&);
71 void pushChangesToDatabase() { pushChangesToDatabase({ }); }
72
73 SWServer& m_server;
74 Ref<RegistrationDatabase> m_database;
75
76 HashMap<ServiceWorkerRegistrationKey, ServiceWorkerContextData> m_updatedRegistrations;
77 Timer m_databasePushTimer;
78
79 bool m_isSuspended { false };
80 bool m_needsPushingChanges { false };
81};
82
83} // namespace WebCore
84
85#endif // ENABLE(SERVICE_WORKER)
86