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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <wtf/Function.h>
29#include <wtf/WorkQueue.h>
30#include <wtf/text/WTFString.h>
31
32#if USE(COCOA_EVENT_LOOP)
33#include <dispatch/dispatch.h>
34#include <wtf/OSObjectPtr.h>
35#endif
36
37#if USE(GLIB)
38#include <gio/gio.h>
39#include <wtf/glib/GRefPtr.h>
40#endif
41
42namespace WebCore {
43
44class FileMonitor {
45public:
46 enum class FileChangeType { Modification, Removal };
47
48 WEBCORE_EXPORT FileMonitor(const String&, Ref<WorkQueue>&& handlerQueue, WTF::Function<void(FileChangeType)>&& modificationHandler);
49 WEBCORE_EXPORT ~FileMonitor();
50
51private:
52#if USE(COCOA_EVENT_LOOP)
53 OSObjectPtr<dispatch_source_t> m_platformMonitor;
54#endif
55#if USE(GLIB)
56 static void fileChangedCallback(GFileMonitor*, GFile*, GFile*, GFileMonitorEvent, FileMonitor*);
57 void didChange(FileChangeType);
58 Ref<WorkQueue> m_handlerQueue;
59 Function<void(FileChangeType)> m_modificationHandler;
60 GRefPtr<GFileMonitor> m_platformMonitor;
61#endif
62};
63
64} // namespace WebCore
65