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/*
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;
using GLib;
public class MusicPlayerBridge : GLib.Object
{
private Dbusmenu.Menuitem root_menu;
private HashMap<string, PlayerController> registered_clients;
private Mpris2Watcher watcher;
private const string DESKTOP_PREFIX = "/usr/share/applications/";
public MusicPlayerBridge()
{
registered_clients = new HashMap<string, PlayerController> ();
}
/*private void try_to_add_inactive_familiar_clients(){
foreach(string app in this.playersDB.records()){
if(app == null){
warning("App string in keyfile is null therefore moving on to next player");
continue;
}
debug("attempting to make an app info from %s", app);
DesktopAppInfo info = new DesktopAppInfo.from_filename(app);
if(info == null){
warning("Could not create a desktopappinfo instance from app,: %s , moving on to the next client", app);
continue;
}
GLib.AppInfo app_info = info as GLib.AppInfo;
var mpris_key = determine_key ( app );
PlayerController ctrl = new PlayerController(this.root_menu,
app_info,
mpris_key,
playersDB.fetch_icon_name(app),
calculate_menu_position(),
PlayerController.state.OFFLINE);
this.registered_clients.set(mpris_key, ctrl);
}
}*/
private int calculate_menu_position()
{
if(this.registered_clients.size == 0){
return 2;
}
else{
return (2 + (this.registered_clients.size * PlayerController.WIDGET_QUANTITY));
}
}
public void client_has_become_available ( string desktop, string dbus_name )
{
if (desktop == null || desktop == ""){
warning("Client %s attempting to register without desktop entry being set on the mpris root",
dbus_name);
return;
}
debug ( "client_has_become_available %s", desktop );
string path = DESKTOP_PREFIX.concat ( desktop.concat( ".desktop" ) );
AppInfo? app_info = create_app_info ( path );
if ( app_info == null ){
warning ( "Could not create app_info for path %s \n Getting out of here ", path);
return;
}
var mpris_key = determine_key ( path );
// Are we sure clients will appear like this with the new registration method in place.
if ( this.registered_clients.has_key (mpris_key) == false ){
debug("New client has registered that we have not seen before: %s", desktop );
PlayerController ctrl = new PlayerController ( this.root_menu,
app_info,
dbus_name,
this.fetch_icon_name(path),
this.calculate_menu_position(),
PlayerController.state.READY );
this.registered_clients.set ( mpris_key, ctrl );
debug ( "successfully created appinfo and instance from path and set it on the respective instance" );
}
else{
this.registered_clients[mpris_key].update_state ( PlayerController.state.READY );
this.registered_clients[mpris_key].activate ( );
debug("Ignoring desktop file path callback because the db cache file has it already: %s \n", path);
}
}
public void client_has_vanished ( string mpris_root_interface )
{
debug("MusicPlayerBridge -> on_server_removed with value %s", mpris_root_interface);
if (root_menu != null){
debug("attempt to remove %s", mpris_root_interface);
var mpris_key = determine_key ( mpris_root_interface );
if ( mpris_key != null ){
registered_clients[mpris_key].hibernate();
debug("Successively offlined client %s", mpris_key);
}
}
}
public void set_root_menu_item ( Dbusmenu.Menuitem menu )
{
this.root_menu = menu;
this.watcher = new Mpris2Watcher ();
this.watcher.client_appeared += this.client_has_become_available;
this.watcher.client_disappeared += this.client_has_vanished;
}
private static AppInfo? create_app_info ( string path )
{
DesktopAppInfo info = new DesktopAppInfo.from_filename ( path ) ;
if ( path == null || info == null ){
warning ( "Could not create a desktopappinfo instance from app: %s", path );
return null;
}
GLib.AppInfo app_info = info as GLib.AppInfo;
return app_info;
}
private static string? fetch_icon_name(string desktop_path)
{
KeyFile desktop_keyfile = new KeyFile ();
try{
desktop_keyfile.load_from_file (desktop_path, KeyFileFlags.NONE);
}
catch(GLib.FileError error){
warning("Error loading keyfile - FileError");
return null;
}
catch(GLib.KeyFileError error){
warning("Error loading keyfile - KeyFileError");
return null;
}
try{
return desktop_keyfile.get_string (KeyFileDesktop.GROUP,
KeyFileDesktop.KEY_ICON);
}
catch(GLib.KeyFileError error){
warning("Error trying to fetch the icon name from the keyfile");
return null;
}
}
/*
Messy but necessary method to consolidate desktop filesnames and mpris dbus names
into the one single word string (used as the key in the players hash).
*/
private static string? determine_key(owned string path)
{
var tokens = path.split( "/" );
if ( tokens.length < 2 ){
// try to split on "."
tokens = path.split(".");
if ( tokens.length < 2 ){
// don't know what this is
return null;
}
}
var filename = tokens[tokens.length - 1];
var result = filename.split(".")[0];
var temp = result.split("-");
if (temp.length > 1){
result = temp[0];
}
debug("determine key result = %s", result);
return result;
}
}
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