1/*
2 * Copyright (C) 2014 Igalia S.L.
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#ifndef PluginInfoCache_h
27#define PluginInfoCache_h
28
29#if ENABLE(NETSCAPE_PLUGIN_API)
30
31#include "PluginModuleInfo.h"
32#include <mutex>
33#include <wtf/NeverDestroyed.h>
34#include <wtf/gobject/GMainLoopSource.h>
35#include <wtf/gobject/GUniquePtr.h>
36
37namespace WebKit {
38
39class PluginInfoCache {
40    WTF_MAKE_NONCOPYABLE(PluginInfoCache);
41    friend class NeverDestroyed<PluginInfoCache>;
42public:
43    static PluginInfoCache& shared();
44
45    bool getPluginInfo(const String& pluginPath, PluginModuleInfo&);
46    void updatePluginInfo(const String& pluginPath, const PluginModuleInfo&);
47
48private:
49    PluginInfoCache();
50    ~PluginInfoCache();
51
52    void saveToFile();
53
54    GUniquePtr<GKeyFile> m_cacheFile;
55    GUniquePtr<char> m_cachePath;
56    GMainLoopSource m_saveToFileIdle;
57    std::mutex m_mutex;
58};
59
60} // namespace WebKit
61
62#endif // ENABLE(NETSCAPE_PLUGIN_API)
63
64#endif // PluginInfoCache_h
65