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  • Committer: Ricardo Mendoza
  • Date: 2012-09-05 14:20:15 UTC
  • Revision ID: ricardo.mendoza@canonical.com-20120905142015-prem6hiyfshwgm8q
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src/banshee-scope.vala
 
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/*
 
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 * Copyright (C) 2011 Canonical Ltd
 
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 *
 
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 * This program is free software: you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License version 3 as
 
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 * published by the Free Software Foundation.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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 *
 
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 * Authored by Alex Launi <alex.launi@canonical.com>
 
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 *
 
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 */
 
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using GLib;
 
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namespace Unity.MusicLens {
 
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  public class BansheeScopeProxy : SimpleScope
 
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  { 
 
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    private BansheeCollection collection;
 
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    public BansheeScopeProxy ()
 
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    {
 
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      base ();
 
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      scope = new Unity.Scope ("/com/canonical/unity/scope/banshee");
 
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      scope.search_in_global = true;
 
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      scope.activate_uri.connect (activate);
 
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      scope.preview_uri.connect (preview);
 
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      scope.sources.add_option ("banshee", _("Banshee"), null);
 
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      base.initialize ();
 
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      try {
 
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        collection = new BansheeCollection ();
 
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      } catch (DatabaseError error) {
 
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        printerr ("Failed to open the Banshee collection database\n");
 
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        return;
 
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      }
 
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    }
 
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    protected override int num_results_without_search { get {return 100; } }
 
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    protected override int num_results_global_search { get { return 20; } }
 
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    protected override int num_results_lens_search { get { return 50; } }
 
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    public Unity.Preview preview (string uri)
 
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    {
 
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        Unity.MusicPreview? preview = null;
 
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        GLib.ThemedIcon? icon_file = null;
 
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        if (Uri.parse_scheme (uri) == "album")
 
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        {
 
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            string[] split = uri.split ("/");
 
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            string artist = split[2];
 
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            string title = split[3];
 
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            foreach (unowned Track track in collection.get_album_tracks_detailed (title, artist))
 
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            {
 
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                if (preview == null)
 
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                {
 
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                    if (track.artwork_path != null)
 
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                    {
 
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                        icon_file = new GLib.ThemedIcon(track.artwork_path);
 
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                    }
 
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                    preview = new Unity.MusicPreview (title, artist, icon_file);
 
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                }
 
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                var tm = new Unity.TrackMetadata();
 
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                tm.uri = track.uri;
 
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                tm.track_no = track.track_number;
 
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                tm.title = track.title ?? "";
 
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                tm.length = track.duration;
 
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                preview.add_track(tm);
 
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            }
 
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        }
 
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        else // preview single track
 
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        {
 
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            Track? track = collection.get_album_track (uri);
 
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            if (track != null)
 
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            {
 
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                if (track.artwork_path != null)
 
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                {
 
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                    icon_file = new GLib.ThemedIcon(track.artwork_path);
 
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                }
 
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                preview = new Unity.MusicPreview (track.title, track.artist, icon_file);
 
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                var tm = new Unity.TrackMetadata();
 
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                tm.uri = track.uri;
 
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                tm.track_no = track.track_number;
 
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                tm.title = track.title ?? "";
 
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                tm.length = track.duration;
 
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                preview.add_track(tm);
 
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            }
 
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        }
 
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        return preview;
 
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    }
 
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    /**
 
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     * Tells banshee to play the selected uri(s)
 
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     */
 
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    public Unity.ActivationResponse activate (string uri)
 
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    {
 
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      string[] exec = {"banshee", "--play-enqueued"};
 
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      try {
 
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        if (Uri.parse_scheme (uri) == "album")
 
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          {
 
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            debug (@"searching for tracks for $uri");
 
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            string[] split = uri.split ("/");
 
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            string artist = split[2];
 
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            string title = split[3];
 
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            Album album = new Album ();
 
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            album.artist = artist;
 
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            album.title = title;
 
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            // FIXME there must be a better way..
 
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            foreach (string track in collection.get_track_uris (album))
 
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              exec += track;
 
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          }
 
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        else
 
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          {
 
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            exec += uri;
 
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          }
 
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        exec += null;
 
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        debug (@"Spawning banshee '%s'", string.joinv (" ", exec));
 
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        Process.spawn_async (null, 
 
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                             exec,
 
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                             null, 
 
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                             SpawnFlags.SEARCH_PATH,
 
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                             null, 
 
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                             null);
 
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        return new Unity.ActivationResponse (Unity.HandledType.HIDE_DASH);
 
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      } catch (SpawnError error) {
 
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        warning ("Failed to launch URI %s", uri);
 
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        return new Unity.ActivationResponse (Unity.HandledType.NOT_HANDLED);
 
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      }
 
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    }
 
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    public override async void perform_search (LensSearch search,
 
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                                               SearchType search_type, 
 
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                                               owned List<FilterParser> filters,
 
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                                               int max_results = -1,
 
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                                               Cancellable? cancellable = null)
 
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    {
 
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      int category_override = -1;
 
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      if (search_type == SearchType.GLOBAL)
 
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      {
 
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        category_override = Category.MUSIC;
 
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        // the lens shouldn't display anything for empty search
 
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        if (is_search_empty (search)) return;
 
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      }
 
160
 
 
161
      collection.search (search, search_type, filters,
 
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                         max_results, category_override);
 
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    }
 
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  }
 
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}