/*

 * Copyright (C) 2010 Apple Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS

 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

 * THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef PluginInfoStore_h

#define PluginInfoStore_h

#include <WebCore/PluginData.h>

namespace WebCore {

    class KURL;

}

namespace WebKit {

class PluginInfoStore {

public:

    PluginInfoStore();

    void setAdditionalPluginPaths(const Vector<WebCore::String>& paths);

    void refresh();

    void getPlugins(Vector<WebCore::PluginInfo>& plugins);

    // Represents a single plug-in.

    struct Plugin {

        WebCore::String path;

        WebCore::PluginInfo info;

#if PLATFORM(MAC)

        cpu_type_t pluginArchitecture;

        WebCore::String bundleIdentifier;

        unsigned versionNumber;

#endif

    };

    // Returns the info for a plug-in that can handle the given MIME type.

    // If the MIME type is null, the file extension of the given url will be used to infer the

    // plug-in type. In that case, mimeType will be filled in with the right MIME type.

    Plugin findPlugin(WebCore::String& mimeType, const WebCore::KURL& url);

private:

    Plugin findPluginForMIMEType(const WebCore::String& mimeType);

    Plugin findPluginForExtension(const WebCore::String& extension, WebCore::String& mimeType);

    void loadPluginsIfNecessary();

    void loadPluginsInDirectory(const WebCore::String& directory);

    void loadPlugin(const WebCore::String& pluginPath);

    // Platform specific member functions.

    static Vector<WebCore::String> pluginDirectories();

    static Vector<WebCore::String> pluginPathsInDirectory(const WebCore::String& directory);

    static bool getPluginInfo(const WebCore::String& pluginPath, Plugin& plugin);

    static bool shouldUsePlugin(const Plugin& plugin, const Vector<Plugin>& loadedPlugins);

    static WebCore::String mimeTypeFromExtension(const WebCore::String& extension);

    Vector<WebCore::String> m_additionalPluginPaths;

    Vector<Plugin> m_plugins;

    bool m_pluginListIsUpToDate;

};

} // namespace WebKit

#endif // PluginInfoStore_h