1/*
2 * Copyright (C) 2014 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/SQLiteDatabaseTrackerClient.h>
29#include <pal/HysteresisActivity.h>
30#include <wtf/Noncopyable.h>
31
32namespace WebKit {
33
34class WebSQLiteDatabaseTracker final : public WebCore::SQLiteDatabaseTrackerClient {
35 WTF_MAKE_NONCOPYABLE(WebSQLiteDatabaseTracker)
36public:
37 using IsHoldingLockedFilesHandler = Function<void(bool)>;
38 explicit WebSQLiteDatabaseTracker(IsHoldingLockedFilesHandler&&);
39
40 ~WebSQLiteDatabaseTracker();
41
42 void setIsSuspended(bool);
43
44private:
45 void setIsHoldingLockedFiles(bool);
46
47 // WebCore::SQLiteDatabaseTrackerClient.
48 void willBeginFirstTransaction() final;
49 void didFinishLastTransaction() final;
50
51 IsHoldingLockedFilesHandler m_isHoldingLockedFilesHandler;
52 PAL::HysteresisActivity m_hysteresis;
53 bool m_isSuspended { false };
54};
55
56} // namespace WebKit
57