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/*
* Copyright (C) 2011 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by Alex Launi <alex.launi@canonical.com>
*
*/
using GLib;
namespace Unity.MusicLens {
public class RhythmboxScope : SimpleScope
{
private RhythmboxCollection collection;
private bool db_ready;
private FileMonitor rb_xml_monitor;
private PreviewPlayer preview_player;
private Unity.MusicPreview? music_preview;
public RhythmboxScope ()
{
base ();
scope = new Unity.Scope ("/com/canonical/unity/scope/rhythmbox");
scope.search_in_global = true;
scope.provides_personal_content = true;
scope.activate_uri.connect (activate);
scope.preview_uri.connect (preview);
scope.sources.add_option ("rhythmbox", _("Rhythmbox"), null);
base.initialize ();
collection = new RhythmboxCollection ();
db_ready = false;
}
protected override int num_results_without_search { get {return 100; } }
protected override int num_results_global_search { get { return 20; } }
protected override int num_results_lens_search { get { return 50; } }
private async void prepare_rhythmbox_play_queue (string[] exec_args)
{
var main_exec = exec_args; //needed from vala >= 0.15.1: captured parameters of array type are no more copied implicitly
Thread.create<void> (() =>
{
try
{
Process.spawn_command_line_sync ("rhythmbox-client --pause");
Process.spawn_command_line_sync ("rhythmbox-client --clear-queue");
Process.spawn_sync (null, main_exec, null, SpawnFlags.SEARCH_PATH,
null, null);
Process.spawn_command_line_sync ("rhythmbox-client --next");
// make sure we're playing
Process.spawn_command_line_sync ("rhythmbox-client --play");
}
catch (Error err)
{
warning ("%s", err.message);
}
Idle.add (prepare_rhythmbox_play_queue.callback);
}, false);
yield;
}
public Unity.Preview preview (string uri)
{
music_preview = null;
GLib.Icon? icon_file = null;
GLib.Icon? missing_icon_file = new GLib.FileIcon (File.new_for_path (ALBUM_MISSING_PREVIEW_ICON_PATH));
if (Uri.parse_scheme (uri) == "album")
{
string album_key = uri.substring (8);
foreach (unowned Track track in collection.get_album_tracks_detailed (album_key))
{
if (music_preview == null)
{
var artwork_path = track.artwork_path;
if (artwork_path == null || artwork_path == "")
icon_file = missing_icon_file;
else
icon_file = new GLib.FileIcon(File.new_for_path (artwork_path));
music_preview = new Unity.MusicPreview (track.album, track.album_artist, icon_file);
var play_action = new Unity.PreviewAction ("play_album", _("Play"), null);
play_action.activated.connect (play_album_preview);
music_preview.add_action (play_action);
var show_folder_action = new Unity.PreviewAction ("show_in_folder", _("Show in Folder"), null);
show_folder_action.activated.connect (show_in_folder);
music_preview.add_action (show_folder_action);
}
var tm = new Unity.TrackMetadata();
tm.uri = track.uri;
tm.track_no = track.track_number;
tm.title = track.title;
tm.length = track.duration;
music_preview.add_track(tm);
}
}
else if (Uri.parse_scheme (uri) == "file") // preview single track, ignore radio stations
{
Track? track = collection.get_album_track (uri);
if (track != null)
{
var artwork_path = track.artwork_path;
if (artwork_path == null || artwork_path == "")
icon_file = missing_icon_file;
else
icon_file = new GLib.FileIcon(File.new_for_path (artwork_path));
music_preview = new Unity.MusicPreview (track.title, track.album_artist, icon_file);
var play_action = new Unity.PreviewAction ("play_track", _("Play"), null);
play_action.activated.connect (play_track_in_rhythmbox);
music_preview.add_action (play_action);
var show_folder_action = new Unity.PreviewAction ("show_in_folder", _("Show in Folder"), null);
show_folder_action.activated.connect (show_in_folder);
music_preview.add_action (show_folder_action);
var tm = new Unity.TrackMetadata();
tm.uri = track.uri;
tm.track_no = track.track_number;
tm.title = track.title;
tm.length = track.duration;
music_preview.add_track(tm);
}
}
if (preview != null)
{
music_preview.play.connect (play);
music_preview.pause.connect (pause);
music_preview.closed.connect (closed);
}
return music_preview;
}
private Unity.ActivationResponse show_in_folder (string uri)
{
File? track_file = null;
if (Uri.parse_scheme (uri) == "album")
{
string album_key = uri.substring (8);
var tracks = collection.get_album_tracks (album_key);
if (tracks.length () > 0)
{
track_file = File.new_for_uri (tracks.nth_data (0));
}
}
else //file
{
track_file = File.new_for_uri (uri);
}
File? parent_dir = track_file.get_parent ();
if (parent_dir != null)
{
try
{
GLib.AppInfo.launch_default_for_uri (parent_dir.get_uri (), null);
return new Unity.ActivationResponse (Unity.HandledType.HIDE_DASH);
}
catch (GLib.Error e)
{
warning ("Failed to launch application for uri '%s': %s", parent_dir.get_uri (), e.message);
}
}
else
{
warning ("Failed to get parent dir for uri: '%s'", uri);
}
return new Unity.ActivationResponse (Unity.HandledType.NOT_HANDLED);
}
private Unity.ActivationResponse play_track_in_rhythmbox (string uri)
{
return activate (uri);
}
private Unity.ActivationResponse play_album_preview (string uri)
{
return activate (uri);
}
public void closed (Unity.Preview preview)
{
if (preview_player != null)
{
try
{
preview_player.close ();
}
catch (Error e)
{
warning ("Failed to close preview player: %s", e.message);
}
}
}
public void play (Unity.Preview preview, string uri)
{
debug ("play request: '%s'", uri);
try
{
if (preview_player == null)
{
preview_player = new PreviewPlayer ();
preview_player.progress.connect (on_progress_changed);
preview_player.connect_to ();
}
// we will receive state back in on_progress_changed, but set it now so that it's immediately reflected in the dash
music_preview.current_track_uri = uri;
music_preview.current_progress = 0.0f;
music_preview.current_track_state = Unity.MusicPreview.TrackState.PLAYING;
preview_player.play (uri);
}
catch (Error e)
{
warning ("Failed to play '%s': %s", uri, e.message);
}
}
public void pause (Unity.Preview preview, string uri)
{
debug ("pause request: '%s'", uri);
try
{
if (preview_player != null)
{
// we will receive state back in on_progress_changed, but set it now so that it's immediately reflected in the dash
music_preview.current_track_uri = uri;
music_preview.current_track_state = Unity.MusicPreview.TrackState.PAUSED;
preview_player.pause ();
}
}
catch (Error e)
{
warning ("Failed to pause '%s': %s", uri, e.message);
}
}
private void on_progress_changed (string uri, Unity.MusicPreview.TrackState state, double progress)
{
if (preview != null)
{
music_preview.current_track_uri = uri;
music_preview.current_track_state = state;
music_preview.current_progress = (float)progress;
}
}
/**
* Tells rhythmbox to play the selected uri(s)
*/
public Unity.ActivationResponse activate (string uri)
{
string[] exec = {"rhythmbox-client"};
try
{
if (Uri.parse_scheme (uri) == "album")
{
// this will be a bit crazy, let's do it in a separate thread
exec += "--enqueue";
string album_key = uri.substring (8);
foreach (unowned string track_uri in collection.get_album_tracks (album_key))
{
exec += track_uri;
}
exec += null;
prepare_rhythmbox_play_queue.begin (exec);
return new Unity.ActivationResponse (Unity.HandledType.HIDE_DASH);
}
else
{
exec += "--play-uri";
exec += uri;
}
exec += null;
debug ("Spawning rb '%s'", string.joinv (" ", exec));
Process.spawn_async (null,
exec,
null,
SpawnFlags.SEARCH_PATH,
null,
null);
return new Unity.ActivationResponse (Unity.HandledType.HIDE_DASH);
} catch (SpawnError error) {
warning ("Failed to launch URI %s", uri);
return new Unity.ActivationResponse (Unity.HandledType.NOT_HANDLED);
}
}
public override async void perform_search (LensSearch search,
SearchType search_type,
owned List<FilterParser> filters,
int max_results = -1,
Cancellable? cancellable = null)
{
int category_override = -1;
if (search_type == SearchType.GLOBAL)
{
category_override = Category.MUSIC;
// the lens shouldn't display anything for empty search
if (is_search_empty (search)) return;
}
if (!db_ready)
{
// parse the DB lazily
var tdb_path = Path.build_filename (Environment.get_user_cache_dir (),
"rhythmbox", "album-art",
"store.tdb");
collection.parse_metadata_file (tdb_path);
var xml_path = Path.build_filename (Environment.get_user_data_dir (),
"rhythmbox", "rhythmdb.xml");
collection.parse_file (xml_path);
if (rb_xml_monitor == null)
{
// re-parse the file if it changes
File xml_file = File.new_for_path (xml_path);
try
{
rb_xml_monitor = xml_file.monitor (FileMonitorFlags.NONE);
rb_xml_monitor.changed.connect (() => { db_ready = false; });
}
catch (Error err)
{
warning ("%s", err.message);
}
}
db_ready = true;
}
collection.search (search, search_type, filters,
max_results, category_override);
}
}
}
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