1/*
2 * Copyright (C) 2006-2016 Apple Inc. All rights reserved.
3 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
4 * Copyright (C) 2015 Igalia S.L.
5 * Copyright (C) 2018 Sony Interactive Entertainment.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "MainThreadSharedTimer.h"
31
32#include <wtf/NeverDestroyed.h>
33
34#if USE(GLIB)
35#include <wtf/glib/RunLoopSourcePriority.h>
36#endif
37
38namespace WebCore {
39
40MainThreadSharedTimer& MainThreadSharedTimer::singleton()
41{
42 static NeverDestroyed<MainThreadSharedTimer> instance;
43 return instance;
44}
45
46#if USE(CF) || OS(WINDOWS)
47MainThreadSharedTimer::MainThreadSharedTimer() = default;
48#else
49MainThreadSharedTimer::MainThreadSharedTimer()
50 : m_timer(RunLoop::main(), this, &MainThreadSharedTimer::fired)
51{
52#if USE(GLIB)
53 m_timer.setPriority(RunLoopSourcePriority::MainThreadSharedTimer);
54 m_timer.setName("[WebKit] MainThreadSharedTimer");
55#endif
56}
57
58void MainThreadSharedTimer::setFireInterval(Seconds interval)
59{
60 ASSERT(m_firedFunction);
61 m_timer.startOneShot(interval);
62}
63
64void MainThreadSharedTimer::stop()
65{
66 m_timer.stop();
67}
68
69void MainThreadSharedTimer::invalidate()
70{
71}
72#endif
73
74void MainThreadSharedTimer::setFiredFunction(WTF::Function<void()>&& firedFunction)
75{
76 RELEASE_ASSERT(!m_firedFunction || !firedFunction);
77 m_firedFunction = WTFMove(firedFunction);
78}
79
80void MainThreadSharedTimer::fired()
81{
82 ASSERT(m_firedFunction);
83 m_firedFunction();
84}
85
86} // namespace WebCore
87