1/*
2 * Copyright (c) 2008, 2009, Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "PluginDataChromium.h"
33
34#include "PlatformBridge.h"
35
36namespace WebCore {
37
38class PluginCache {
39public:
40    PluginCache() : m_loaded(false), m_refresh(false) {}
41    ~PluginCache() { reset(false); }
42
43    void reset(bool refresh)
44    {
45        m_plugins.clear();
46        m_loaded = false;
47        m_refresh = refresh;
48    }
49
50    const Vector<PluginInfo>& plugins()
51    {
52        if (!m_loaded) {
53            PlatformBridge::plugins(m_refresh, &m_plugins);
54            m_loaded = true;
55            m_refresh = false;
56        }
57        return m_plugins;
58    }
59
60private:
61    Vector<PluginInfo> m_plugins;
62    bool m_loaded;
63    bool m_refresh;
64};
65
66static PluginCache pluginCache;
67
68void PluginData::initPlugins(const Page*)
69{
70    const Vector<PluginInfo>& plugins = pluginCache.plugins();
71    for (size_t i = 0; i < plugins.size(); ++i)
72        m_plugins.append(plugins[i]);
73}
74
75void PluginData::refresh()
76{
77    pluginCache.reset(true);
78    pluginCache.plugins();  // Force the plugins to be reloaded now.
79}
80
81String getPluginMimeTypeFromExtension(const String& extension)
82{
83    const Vector<PluginInfo>& plugins = pluginCache.plugins();
84    for (size_t i = 0; i < plugins.size(); ++i) {
85        for (size_t j = 0; j < plugins[i].mimes.size(); ++j) {
86            const MimeClassInfo& mime = plugins[i].mimes[j];
87            const Vector<String>& extensions = mime.extensions;
88            for (size_t k = 0; k < extensions.size(); ++k) {
89                if (extension == extensions[k])
90                    return mime.type;
91            }
92        }
93    }
94    return String();
95}
96
97} // namespace WebCore
98