1 files changed, 85 insertions, 0 deletions
diff --git a/src/librygel-core/rygel-media-server-plugin.vala b/src/librygel-core/rygel-media-server-plugin.vala
new file mode 100644
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--- /dev/null
+++ b/src/librygel-core/rygel-media-server-plugin.vala
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2008,2010 Nokia Corporation.
+ *
+ * Author: Zeeshan Ali (Khattak) <zeeshanak@gnome.org>
+ *                               <zeeshan.ali@nokia.com>
+ *
+ * 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 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 program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+public abstract class Rygel.MediaServerPlugin : Rygel.Plugin {
+    private static const string MEDIA_SERVER_DESC_PATH =
+                                BuildConfig.DATA_DIR + "/xml/MediaServer2.xml";
+
+    public MediaContainer root_container;
+
+    public MediaServerPlugin (MediaContainer root_container,
+                              string         name,
+                              string?        description = null) {
+        base (MEDIA_SERVER_DESC_PATH,
+              name,
+              root_container.title,
+              description);
+
+        this.root_container = root_container;
+
+        // MediaServer implementations must implement ContentDirectory service
+        var info = new ResourceInfo (ContentDirectory.UPNP_ID,
+                                     ContentDirectory.UPNP_TYPE,
+                                     ContentDirectory.DESCRIPTION_PATH,
+                                     typeof (ContentDirectory));
+        this.add_resource (info);
+
+        // Register Rygel.ConnectionManager
+        info = new ResourceInfo (ConnectionManager.UPNP_ID,
+                                 ConnectionManager.UPNP_TYPE,
+                                 ConnectionManager.DESCRIPTION_PATH,
+                                 typeof (SourceConnectionManager));
+
+        this.add_resource (info);
+        info = new ResourceInfo (MediaReceiverRegistrar.UPNP_ID,
+                                 MediaReceiverRegistrar.UPNP_TYPE,
+                                 MediaReceiverRegistrar.DESCRIPTION_PATH,
+                                 typeof (MediaReceiverRegistrar));
+        this.add_resource (info);
+
+        if (root_container.child_count == 0) {
+            debug ("Deactivating plugin '%s' until it provides content.",
+                   this.name);
+
+            this.active = false;
+
+            root_container.container_updated.connect
+                                        (this.on_container_updated);
+        }
+    }
+
+    private void on_container_updated (MediaContainer root_container,
+                                       MediaContainer updated) {
+        if (updated != root_container || updated.child_count == 0) {
+            return;
+        }
+
+        root_container.container_updated.disconnect
+                                        (this.on_container_updated);
+
+        debug ("Activating plugin '%s' since it now provides content.",
+               this.name);
+
+        this.active = true;
+    }
+}