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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 Dbusmenu;
using Gee;
public class PlayerController : GLib.Object
{
public const int WIDGET_QUANTITY = 4;
public static enum widget_order{
SEPARATOR,
TITLE,
METADATA,
TRANSPORT,
}
public enum state{
OFFLINE,
INSTANTIATING,
READY,
CONNECTED,
DISCONNECTED
}
public int current_state = state.OFFLINE;
private Dbusmenu.Menuitem root_menu;
public string name { get; set;}
public ArrayList<PlayerItem> custom_items;
public Mpris2Controller mpris_bridge;
public AppInfo? app_info { get; set;}
public int menu_offset { get; set;}
public PlayerController(Dbusmenu.Menuitem root,
string client_name,
int offset,
state initial_state)
{
this.root_menu = root;
this.name = format_client_name(client_name.strip());
this.custom_items = new ArrayList<PlayerItem>();
this.current_state = initial_state;
this.menu_offset = offset;
construct_widgets();
establish_mpris_connection();
this.update_layout();
}
public void update_state(state new_state)
{
debug("update_state - player controller %s : new state %i", this.name, new_state);
this.current_state = new_state;
this.update_layout();
}
public void activate()
{
this.establish_mpris_connection();
}
/*
instantiate()
The user should be able to start the app from the transport bar when in an offline state
There is a need to wait before the application is on DBus before attempting to access its mpris address
Hence only when the it has registered with us via libindicate do we attempt to kick off mpris communication
*/
public void instantiate()
{
debug("instantiate in player controller for %s", this.name);
try{
this.app_info.launch(null, null);
this.update_state(state.INSTANTIATING);
}
catch(GLib.Error error){
warning("Failed to launch app %s with error message: %s", this.name, error.message);
}
}
private void establish_mpris_connection()
{
if(this.current_state != state.READY){
debug("establish_mpris_connection - Not ready to connect");
return;
}
this.mpris_bridge = new Mpris2Controller(this);
this.determine_state();
}
public void vanish()
{
foreach(Dbusmenu.Menuitem item in this.custom_items){
root_menu.child_delete(item);
}
}
public void hibernate()
{
update_state(PlayerController.state.OFFLINE);
this.custom_items[widget_order.TRANSPORT].reset(TransportMenuitem.attributes_format());
this.custom_items[widget_order.METADATA].reset(MetadataMenuitem.attributes_format());
TitleMenuitem title = this.custom_items[widget_order.TITLE] as TitleMenuitem;
title.toggle_active_triangle(false);
}
public void update_layout()
{
if(this.current_state != state.CONNECTED){
this.custom_items[widget_order.TRANSPORT].property_set_bool(MENUITEM_PROP_VISIBLE,
false);
this.custom_items[widget_order.METADATA].property_set_bool(MENUITEM_PROP_VISIBLE,
false);
return;
}
this.custom_items[widget_order.METADATA].property_set_bool(MENUITEM_PROP_VISIBLE,
this.custom_items[widget_order.METADATA].populated(MetadataMenuitem.attributes_format()));
this.custom_items[widget_order.TRANSPORT].property_set_bool(MENUITEM_PROP_VISIBLE,
true);
}
private void construct_widgets()
{
// Separator item
this.custom_items.add(new PlayerItem(CLIENT_TYPES_SEPARATOR));
// Title item
TitleMenuitem title_menu_item = new TitleMenuitem(this);
this.custom_items.add(title_menu_item);
// Metadata item
MetadataMenuitem metadata_item = new MetadataMenuitem();
this.custom_items.add(metadata_item);
// Transport item
TransportMenuitem transport_item = new TransportMenuitem(this);
this.custom_items.add(transport_item);
foreach(PlayerItem item in this.custom_items){
root_menu.child_add_position(item, this.menu_offset + this.custom_items.index_of(item));
}
}
private static string format_client_name(string client_name)
{
string formatted = client_name;
if(formatted.length > 1){
formatted = client_name.up(1).concat(client_name.slice(1, client_name.length));
debug("PlayerController->format_client_name - : %s", formatted);
}
return formatted;
}
// Temporarily we will need to handle to different mpris implemenations
// Do it for now - a couple of weeks should see this messy carry on out of
// the codebase.
public void determine_state()
{
if(this.mpris_bridge.connected() == true){
this.update_state(state.CONNECTED);
TitleMenuitem title = this.custom_items[widget_order.TITLE] as TitleMenuitem;
title.toggle_active_triangle(true);
TransportMenuitem transport = this.custom_items[widget_order.TRANSPORT] as TransportMenuitem;
transport.change_play_state(TransportMenuitem.state.PAUSED);
}
else{
this.update_state(state.DISCONNECTED);
}
}
}
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