[rygel] tracker: Introduce "Albums" and "Artists" containers
- From: Zeeshan Ali Khattak <zeeshanak src gnome org>
- To: svn-commits-list gnome org
- Cc:
- Subject: [rygel] tracker: Introduce "Albums" and "Artists" containers
- Date: Sun, 20 Sep 2009 23:27:12 +0000 (UTC)
commit d11608396f84264bcf0357069eb8a7b2bd7bbf8a
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date: Thu Sep 17 18:01:53 2009 +0300
tracker: Introduce "Albums" and "Artists" containers
Right now these containers just provide an empty container for each
album or artist. Next step is to populate these containers.
src/plugins/tracker/Makefile.am | 1 +
.../tracker/rygel-tracker-metadata-values.vala | 103 ++++++++++++++++++++
.../tracker/rygel-tracker-root-container.vala | 8 ++
3 files changed, 112 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/tracker/Makefile.am b/src/plugins/tracker/Makefile.am
index 4e89b13..da83cb3 100644
--- a/src/plugins/tracker/Makefile.am
+++ b/src/plugins/tracker/Makefile.am
@@ -12,6 +12,7 @@ AM_CFLAGS = $(LIBGUPNP_CFLAGS) \
librygel_media_tracker_la_SOURCES = \
rygel-media-tracker.vala \
rygel-tracker-root-container.vala \
+ rygel-tracker-metadata-values.vala \
rygel-tracker-category.vala \
rygel-tracker-video-category.vala \
rygel-tracker-music-category.vala \
diff --git a/src/plugins/tracker/rygel-tracker-metadata-values.vala b/src/plugins/tracker/rygel-tracker-metadata-values.vala
new file mode 100644
index 0000000..353d730
--- /dev/null
+++ b/src/plugins/tracker/rygel-tracker-metadata-values.vala
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2008 Zeeshan Ali <zeenix gmail com>.
+ * Copyright (C) 2008 Nokia Corporation.
+ *
+ * Author: Zeeshan Ali <zeenix gmail 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.
+ */
+
+using GUPnP;
+using DBus;
+using Gee;
+
+/**
+ * Container listing possible values of a particuler Tracker metadata key.
+ */
+public class Rygel.TrackerMetadataValues : Rygel.SimpleContainer {
+ /* class-wide constants */
+ private const string TRACKER_SERVICE = "org.freedesktop.Tracker";
+ private const string METADATA_PATH = "/org/freedesktop/Tracker/Metadata";
+ private const string METADATA_IFACE = "org.freedesktop.Tracker.Metadata";
+
+ private const string CATEGORY = "Files";
+
+ public dynamic DBus.Object metadata;
+
+ public string key;
+
+ public TrackerMetadataValues (string key,
+ string id,
+ MediaContainer parent,
+ string title) {
+ base (id, parent, title);
+
+ this.key = key;
+
+ try {
+ this.create_proxies ();
+
+ var keys = new string[] { this.key };
+
+ /* FIXME: We need to hook to some tracker signals to keep
+ * this field up2date at all times
+ */
+ this.metadata.GetUniqueValues (CATEGORY,
+ keys,
+ "",
+ true,
+ 0,
+ -1,
+ on_get_unique_values_cb);
+ } catch (GLib.Error error) {
+ critical ("Failed to create to Session bus: %s\n",
+ error.message);
+ }
+ }
+
+ private void on_get_unique_values_cb (string[][] search_result,
+ GLib.Error error) {
+ if (error != null) {
+ critical ("error getting all values for '%s': %s",
+ this.key,
+ error.message);
+
+ return;
+ }
+
+ /* Iterate through all the values */
+ for (uint i = 0; i < search_result.length; i++) {
+ string value = search_result[i][0];
+
+ var container = new SimpleContainer (value, this, value);
+
+ this.children.add (container);
+ }
+
+ this.child_count = this.children.size;
+ this.updated ();
+ }
+
+ private void create_proxies () throws GLib.Error {
+ DBus.Connection connection = DBus.Bus.get (DBus.BusType.SESSION);
+
+ this.metadata = connection.get_object (TRACKER_SERVICE,
+ METADATA_PATH,
+ METADATA_IFACE);
+ }
+}
+
diff --git a/src/plugins/tracker/rygel-tracker-root-container.vala b/src/plugins/tracker/rygel-tracker-root-container.vala
index 4162ad0..8f1e2ba 100644
--- a/src/plugins/tracker/rygel-tracker-root-container.vala
+++ b/src/plugins/tracker/rygel-tracker-root-container.vala
@@ -42,6 +42,14 @@ public class Rygel.TrackerRootContainer : Rygel.SimpleContainer {
this.children.add (new TrackerVideoCategory ("15",
this,
"Videos"));
+ this.children.add (new TrackerMetadataValues ("Audio:Artist",
+ "17",
+ this,
+ "Artists"));
+ this.children.add (new TrackerMetadataValues ("Audio:Album",
+ "18",
+ this,
+ "Albums"));
// Now we know how many top-level containers we have
this.child_count = this.children.size;
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