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Diffstat (limited to 'src/music-player-bridge.vala')
| -rw-r--r-- | src/music-player-bridge.vala | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/src/music-player-bridge.vala b/src/music-player-bridge.vala deleted file mode 100644 index 59ced36..0000000 --- a/src/music-player-bridge.vala +++ /dev/null @@ -1,305 +0,0 @@ -/* -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 -{ - const int DEVICE_ITEMS_COUNT = 3; - - private SettingsManager settings_manager; - private Dbusmenu.Menuitem root_menu; - private HashMap<string, PlayerController> registered_clients; - private HashMap<string, string> file_monitors; - private HashMap<string, string> mpris_to_desktop; - private Mpris2Watcher watcher; - - public MusicPlayerBridge() - { - } - - construct{ - this.registered_clients = new HashMap<string, PlayerController> (); - this.file_monitors = new HashMap<string, string> (); - this.mpris_to_desktop = new HashMap<string, string> (); - this.settings_manager = new SettingsManager(); - this.settings_manager.blacklist_updates.connect ( this.on_blacklist_update ); - this.settings_manager.preferred_updates.connect ( this.on_preferred_update ); - } - - private void on_blacklist_update ( string[] blacklist ) - { - debug("some blacklist update"); - - foreach(var desktop_id in blacklist){ - string key = desktop_id; - if (this.registered_clients.has_key (key)){ - debug ("Apparently %s is now blacklisted - remove thy self", key); - this.registered_clients[key].remove_from_menu(); - this.registered_clients.unset (key); - } - } - // double check present players to ensure dynamic removal/addition - this.watcher.check_for_active_clients.begin(); - } - - private void on_preferred_update ( Gee.ArrayList<string> preferred ) - { - debug ("Preferred players update. Clearing current preferred players..."); - - foreach (var player_controller in this.registered_clients.values) { - player_controller.set_as_preferred (false); - } - - foreach (var desktop_id in preferred) { - string key = desktop_id; - if (this.registered_clients.has_key (key)) { - debug ("Setting %s as preferred player", key); - this.registered_clients[key].set_as_preferred (true); - } - } - } - - private void try_to_add_inactive_familiar_clients() - { - var preferred_players = this.settings_manager.fetch_preferred (); - foreach ( string desktop in this.settings_manager.fetch_interested()){ - debug ( "interested client found : %s", desktop ); - AppInfo? app_info = create_app_info ( desktop.concat( ".desktop" ) ); - if ( app_info == null ){ - warning ( "Could not create app_info for path %s \n Getting out of here ", - desktop ); - continue; - } - bool is_preferred = desktop in preferred_players; - PlayerController ctrl = new PlayerController ( this.root_menu, - app_info, - null, - this.fetch_icon_name(desktop), - calculate_menu_position(), - null, - PlayerController.state.OFFLINE, - is_preferred ); - var mpris_key = desktop; - this.registered_clients.set(mpris_key, ctrl); - this.establish_file_monitoring (app_info, mpris_key); - } - } - - private void establish_file_monitoring (AppInfo info, string mpris_key){ - DesktopAppInfo desktop_info = info as DesktopAppInfo; - var file_path = desktop_info.get_filename (); - File f = File.new_for_path (file_path); - try { - FileMonitor monitor = f.monitor (FileMonitorFlags.SEND_MOVED, null); - unowned FileMonitor weak_monitor = monitor; - monitor.changed.connect ((desktop_file, other_file, event_type) => { - this.relevant_desktop_file_changed (desktop_file, other_file, event_type, weak_monitor); - }); - monitor.ref(); // will be unref()ed by relevant_desktop_file_changed() - GLib.debug ("monitoring file '%s'", file_path); - this.file_monitors.set (file_path, mpris_key); - } - catch (Error e){ - warning ("Unable to create a file monitor for %s", info.get_name()); - return; - } - } - - private void relevant_desktop_file_changed (File desktop_file, - File? other_file, - FileMonitorEvent event_type, - FileMonitor monitor) - { - if (event_type != FileMonitorEvent.DELETED) - return; - - string? path = desktop_file.get_path (); - if (path == null){ - warning ("relevant_desktop_file_changed is returning a file with no path !"); - return; - } - if (!this.file_monitors.has_key (path)){ - warning ("relevant_desktop_file_changed is returning a file which we know nothing about - %s", - path); - return; - } - - var mpris_key = this.file_monitors[path]; - GLib.debug ("file \"%s\" was removed; stopping monitoring \"%s\"", path, mpris_key); - this.registered_clients[mpris_key].remove_from_menu(); - this.settings_manager.remove_interested (mpris_key); - this.registered_clients.unset (mpris_key); - monitor.cancel (); - monitor.unref(); - } - - private int calculate_menu_position() - { - if(this.registered_clients.size == 0){ - return DEVICE_ITEMS_COUNT; - } - else{ - return (DEVICE_ITEMS_COUNT + (this.registered_clients.size * PlayerController.WIDGET_QUANTITY)); - } - } - - public void client_has_become_available ( string desktop, - string dbus_name, - bool use_playlists ) - { - if (desktop == null || desktop == ""){ - warning("Client %s attempting to register without desktop entry being set on the mpris root", - dbus_name); - return; - } - if (desktop in this.settings_manager.fetch_blacklist()) { - debug ("Client %s attempting to register but I'm afraid it is blacklisted", - desktop); - return; - } - - debug ( "client_has_become_available %s", desktop ); - AppInfo? app_info = create_app_info ( desktop.concat( ".desktop" ) ); - if ( app_info == null ){ - warning ( "Could not create app_info for path %s \n Getting out of here ", - desktop ); - return; - } - - var mpris_key = desktop; - bool is_preferred = desktop in this.settings_manager.fetch_preferred (); - - mpris_to_desktop.set (dbus_name, desktop); - if ( this.registered_clients.has_key (mpris_key) == false ){ - debug("New client has registered that we have not seen before: %s", dbus_name ); - PlayerController ctrl = new PlayerController ( this.root_menu, - app_info, - dbus_name, - this.fetch_icon_name(desktop), - this.calculate_menu_position(), - use_playlists, - PlayerController.state.READY, - is_preferred); - this.registered_clients.set ( mpris_key, ctrl ); - debug ( "Have not seen this %s before, new controller created.", desktop ); - this.settings_manager.add_interested ( desktop ); - this.establish_file_monitoring (app_info, mpris_key); - debug ( "application added to the interested list" ); - } - else{ - this.registered_clients[mpris_key].use_playlists = use_playlists; - this.registered_clients[mpris_key].update_state ( PlayerController.state.READY ); - this.registered_clients[mpris_key].activate ( dbus_name ); - debug("Application has already registered - awaken the hibernation: %s with playlists %s \n", dbus_name, use_playlists.to_string() ); - } - } - - public void client_has_vanished ( string mpris_root_interface ) - { - debug("\n MusicPlayerBridge -> client with dbus interface %s has vanished", - mpris_root_interface ); - if (root_menu != null){ - debug("\n attempt to remove %s", mpris_root_interface); - if (mpris_to_desktop.has_key(mpris_root_interface)){ - var mpris_key = mpris_to_desktop[mpris_root_interface]; - mpris_to_desktop.unset(mpris_root_interface); - if ( mpris_key != null && this.registered_clients.has_key(mpris_key)){ - registered_clients[mpris_key].hibernate(); - debug("\n Successively offlined client %s", mpris_key); - } - } - } - } - - public void set_root_menu_item ( Dbusmenu.Menuitem menu ) - { - this.root_menu = menu; - this.try_to_add_inactive_familiar_clients(); - this.watcher = new Mpris2Watcher (); - this.watcher.client_appeared.connect (this.client_has_become_available); - this.watcher.client_disappeared.connect (this.client_has_vanished); - } - - public void enable_player_specific_items_for_client (string object_path, - string desktop_id) - { - var mpris_key = desktop_id; - if (this.registered_clients.has_key (mpris_key) == false){ - warning ("we don't have a client with desktop id %s registered", desktop_id); - return; - } - this.registered_clients[mpris_key].enable_player_specific_items(object_path); - } - - public void enable_track_specific_items_for_client (string object_path, - string desktop_id) - { - var mpris_key = desktop_id; - if (this.registered_clients.has_key (mpris_key) == false){ - warning ("we don't have a client with desktop id %s registered", desktop_id); - return; - } - this.registered_clients[mpris_key].enable_track_specific_items(object_path); - } - - private static AppInfo? create_app_info ( string desktop ) - { - DesktopAppInfo info = new DesktopAppInfo ( desktop ); - if ( desktop == null || info == null ){ - warning ( "Could not create a desktopappinfo instance from app: %s", desktop ); - return null; - } - GLib.AppInfo app_info = info as GLib.AppInfo; - return app_info; - } - - private static string? fetch_icon_name(string desktop) - { - // We know the appinfo is good because it was loaded in the previous reg step. - DesktopAppInfo info = new DesktopAppInfo ( desktop.concat( ".desktop" ) ) ; - KeyFile desktop_keyfile = new KeyFile (); - try{ - desktop_keyfile.load_from_file (info.get_filename(), 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; - } - } -} - - - - |