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/*
This service primarily controls PulseAudio and is driven by the sound indicator menu on the panel.
Copyright 2010 Canonical Ltd.
Authors:
Conor Curran <conor.curran@canonical.com>
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 warranties of
MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
*/
using Gee;
public class MprisController : GLib.Object
{
private DBus.Connection connection;
public dynamic DBus.Object mpris_player{get; construct;}
public PlayerController owner {get; construct;}
public string mpris_interface {get; construct;}
struct status {
public int32 playback;
public int32 shuffle;
public int32 repeat;
public int32 endless;
}
public MprisController(PlayerController ctrl, string inter="org.freedesktop.MediaPlayer"){
Object(owner: ctrl, mpris_interface: inter);
}
construct{
try {
this.connection = DBus.Bus.get (DBus.BusType.SESSION);
} catch (Error e) {
error("Problems connecting to the session bus - %s", e.message);
}
this.mpris_player = this.connection.get_object ("org.mpris.".concat(this.owner.name.down()) , "/Player", this.mpris_interface);
debug("Attempting to establish an mpris connection to %s, %s, %s", "org.mpris.".concat(this.owner.name.down()) , "/Player", this.mpris_interface);
this.mpris_player.TrackChange += onTrackChange;
this.mpris_player.StatusChange += onStatusChange;
initial_update();
}
private void initial_update()
{
status st = this.mpris_player.GetStatus();
int play_state = st.playback;
debug("GetStatusChange - play state %i", play_state);
(this.owner.custom_items[PlayerController.widget_order.TRANSPORT] as TransportMenuitem).change_play_state(play_state);
this.owner.custom_items[PlayerController.widget_order.METADATA].update(this.mpris_player.GetMetadata(),
MetadataMenuitem.attributes_format());
this.owner.custom_items[PlayerController.widget_order.SCRUB].update(this.mpris_player.GetMetadata(),
ScrubMenuitem.attributes_format());
// temporary fix
ScrubMenuitem scrub = this.owner.custom_items[PlayerController.widget_order.SCRUB] as ScrubMenuitem;
scrub.update_position(this.mpris_player.PositionGet());
}
public void transport_event(TransportMenuitem.action command)
{
debug("transport_event input = %i", (int)command);
if(command == TransportMenuitem.action.PLAY_PAUSE){
debug("transport_event PLAY_PAUSE");
this.mpris_player.Pause();
}
else if(command == TransportMenuitem.action.PREVIOUS){
this.mpris_player.Prev();
}
else if(command == TransportMenuitem.action.NEXT){
this.mpris_player.Next();
}
}
public void set_position(double position)
{
debug("Set position with pos (0-100) %f", position);
HashTable<string, Value?> data = this.mpris_player.GetMetadata();
Value? time_value = data.lookup("time");
if(time_value == null){
warning("Can't fetch the duration of the track therefore cant set the position");
return;
}
uint32 total_time = time_value.get_uint();
debug("total time of track = %i", (int)total_time);
double new_time_position = total_time * position/100.0;
debug("new position = %f", (new_time_position * 1000));
this.mpris_player.PositionSet((int32)(new_time_position));
ScrubMenuitem scrub = this.owner.custom_items[PlayerController.widget_order.SCRUB] as ScrubMenuitem;
scrub.update_position(this.mpris_player.PositionGet());
}
public bool connected()
{
return (this.mpris_player != null);
}
private void onStatusChange(dynamic DBus.Object mpris_client, status st)
{
debug("onStatusChange - signal received");
status* status = &st;
unowned ValueArray ar = (ValueArray)status;
int play_state = ar.get_nth(0).get_int();
debug("onStatusChange - play state %i", play_state);
HashTable<string, Value?> ht = new HashTable<string, Value?>(str_hash, str_equal);
Value v = Value(typeof(int));
v.set_int(play_state);
ht.insert("state", v);
this.owner.custom_items[PlayerController.widget_order.TRANSPORT].update(ht, TransportMenuitem.attributes_format());
this.owner.custom_items[PlayerController.widget_order.SCRUB].update(ht, ScrubMenuitem.attributes_format());
}
private void onTrackChange(dynamic DBus.Object mpris_client, HashTable<string,Value?> ht)
{
debug("onTrackChange");
this.owner.custom_items[PlayerController.widget_order.METADATA].reset(MetadataMenuitem.attributes_format());
this.owner.custom_items[PlayerController.widget_order.SCRUB].reset(ScrubMenuitem.attributes_format());
HashTable<string, Value?> status_hash = new HashTable<string, Value?>(str_hash, str_equal);
status st = this.mpris_player.GetStatus();
int play_state = st.playback;
debug("GetStatusChange, about to update scrub with play state - %i", play_state);
ScrubMenuitem scrub = this.owner.custom_items[PlayerController.widget_order.SCRUB] as ScrubMenuitem;
scrub.update_playstate(play_state);
this.owner.custom_items[PlayerController.widget_order.SCRUB].update(this.mpris_player.GetMetadata(),
ScrubMenuitem.attributes_format());
this.owner.custom_items[PlayerController.widget_order.METADATA].update(ht,
MetadataMenuitem.attributes_format());
debug("about to update the duration on the scrub bar");
// temporary fix
scrub.update_position(this.mpris_player.PositionGet());
}
}
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