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/*
* Copyright (C) 2008-2009 Jens Georg <mail@jensge.org>.
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Rygel is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using Rygel;
using GUPnP;
private const string TRACKER_PLUGIN = "Tracker";
/**
* Simple plugin which exposes the media contents of a directory via UPnP.
*
*/
public void module_init (PluginLoader loader) {
try {
// Instantiate the plugin object (it may fail if loading
// database did not succeed):
var plugin = new MediaExport.Plugin ();
// Check what other plugins are loaded,
// and check when other plugins are loaded later:
Idle.add (() => {
foreach (var loaded_plugin in loader.list_plugins ()) {
on_plugin_available (loaded_plugin, plugin);
}
loader.plugin_available.connect ((new_plugin) => {
on_plugin_available (new_plugin, plugin);
});
return false;
});
loader.add_plugin (plugin);
} catch (Error error) {
warning (_("Failed to load plugin %s: %s"),
MediaExport.Plugin.NAME,
error.message);
}
}
public void on_plugin_available (Plugin plugin, Plugin our_plugin) {
// Do not allow this plugin and the tracker plugin to both be
// active at the same time,
// because they serve the same purpose.
if (plugin.name == TRACKER_PLUGIN) {
if (our_plugin.active && !plugin.active) {
// The Tracker plugin might be activated later,
// so shut this plugin down if that happens.
plugin.notify["active"].connect (() => {
if (plugin.active) {
shutdown_media_export ();
our_plugin.active = !plugin.active;
}
});
} else if (our_plugin.active == plugin.active) {
if (plugin.active) {
// The Tracker plugin is already active,
// so shut this plugin down immediately.
shutdown_media_export ();
} else {
// Log that we are starting this plugin
// because the Tracker plugin is not active instead.
message ("Plugin '%s' inactivate, activating '%s' plugin",
TRACKER_PLUGIN,
MediaExport.Plugin.NAME);
}
our_plugin.active = !plugin.active;
}
}
}
private void shutdown_media_export () {
message ("Deactivating plugin '%s' in favor of plugin '%s'",
MediaExport.Plugin.NAME,
TRACKER_PLUGIN);
try {
var config = MetaConfig.get_default ();
var enabled = config.get_bool ("MediaExport", "enabled");
if (enabled) {
var root = Rygel.MediaExport.RootContainer.get_instance ();
root.shutdown ();
}
} catch (Error error) {};
}
public class Rygel.MediaExport.Plugin : Rygel.MediaServerPlugin {
public const string NAME = "MediaExport";
/**
* Instantiate the plugin.
*/
public Plugin () throws Error {
// Ensure that root container could be created and thus
// database could be opened:
RootContainer.ensure_exists ();
// Call the base constructor,
// passing the instance of our root container.
base (RootContainer.get_instance (),
NAME,
null,
PluginCapabilities.UPLOAD |
PluginCapabilities.TRACK_CHANGES);
}
}
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