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// Gnome Shell extension to control media playback
// Copyright (C) 2011 by Timur Kristóf <venemo@msn.com>
/* Licensed under GPLv2+ */
//TODO: detect available MPRIS players on D-Bus
//TODO: disconnect when the player quits
//TODO: ability to start a player with D-Bus activation
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const St = imports.gi.St;
const Shell = imports.gi.Shell;
const DBus = imports.dbus;
const GLib = imports.gi.GLib;
const Gettext = imports.gettext.domain('gnome-shell-extensions');
const _ = Gettext.gettext;
const Main = imports.ui.main;
const Panel = imports.ui.panel;
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;
// This is for debugging purposes
function _debugStuff(str) {
let text = new St.Label({ text: str, style: 'font-size: 10px; background: #000000; color: #ffffff;' });
let monitor = global.get_primary_monitor();
global.stage.add_actor(text);
text.set_position(Math.floor (monitor.width / 2 - text.width / 2), Math.floor(monitor.height / 2 - text.height / 2));
Mainloop.timeout_add(3000, function () { text.destroy(); });
}
const MprisPlayerInterface = {
name: 'org.mpris.MediaPlayer2.Player',
properties: [{ name: 'PlaybackStatus', signature: 's', access: 'read' },
{ name: 'Metadata', signature: 'a{sv}', access: 'read' }],
methods: [{ name: 'Play', inSignature: '', outSignature: '' },
{ name: 'Pause', inSignature: '', outSignature: '' },
{ name: 'Previous', inSignature: '', outSignature: '' },
{ name: 'Next', inSignature: '', outSignature: '' }],
signals: []
};
let MprisPlayer = DBus.makeProxyClass(MprisPlayerInterface);
const FreedesktopInterface = {
name: 'org.freedesktop.DBus.Properties',
properties: [],
methods: [],
signals: [{ name: 'PropertiesChanged', inSignature: '' }]
};
let FreedesktopSignaler = DBus.makeProxyClass(FreedesktopInterface);
const DBusInfoInterface = {
name: 'org.mpris.MediaPlayer2.Player',
properties: [],
methods: [{ name: 'ListNames', inSignature: '', outSignature: 'a{s}' }],
signals: [{ name: 'NameOwnerChanged', inSignature: '' }]
};
let DBusInfo = DBus.makeProxyClass(DBusInfoInterface);
function PopupMenuItemWithIcon() {
this._init.apply(this, arguments);
}
PopupMenuItemWithIcon.prototype = {
__proto__: PopupMenu.PopupBaseMenuItem.prototype,
_init: function (text, iconName, params) {
PopupMenu.PopupBaseMenuItem.prototype._init.call(this, params);
this.box = new St.BoxLayout();
this.icon = new St.Icon({ icon_type: St.IconType.FULLCOLOR, icon_size: 16, icon_name: iconName });
this.icon.set_style('padding: 0 5px;');
this.label = new St.Label({ text: text });
this.box.add(this.icon);
this.box.add(this.label);
this.addActor(this.box);
}
};
function MusicControl() {
this._init();
}
MusicControl.prototype = {
__proto__: PanelMenu.SystemStatusButton.prototype,
_init: function() {
PanelMenu.SystemStatusButton.prototype._init.call(this, 'audio-x-generic');
/*this._dbusInfo = new DBusInfo();*/
this._player = new MprisPlayer(DBus.session, 'org.bansheeproject.Banshee', '/org/mpris/MediaPlayer2');
this._freedesktop = new FreedesktopSignaler(DBus.session, 'org.bansheeproject.Banshee', '/org/mpris/MediaPlayer2');
this._freedesktop.connect('PropertiesChanged', Lang.bind(this, this._playbackPropertiesChanged));
this._title = new PopupMenu.PopupMenuItem("Now playing...", { reactive: false });
this._title.label.set_style('font-size: 18px;');
this.menu.addMenuItem(this._title);
this._info = new PopupMenu.PopupMenuItem("Please launch a media player", { reactive: false });
this.menu.addMenuItem(this._info);
this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
this._playItem = new PopupMenuItemWithIcon('Play', 'media-playback-start-symbolic');
this._playItem.connect('activate', Lang.bind(this, this._togglePlay));
this.menu.addMenuItem(this._playItem);
this._previousItem = new PopupMenuItemWithIcon('Previous', 'media-skip-backward-symbolic');
this._previousItem.connect('activate', Lang.bind(this, this._previous));
this.menu.addMenuItem(this._previousItem);
this._nextItem = new PopupMenuItemWithIcon('Next', 'media-skip-forward-symbolic');
this._nextItem.connect('activate', Lang.bind(this, this._next));
this.menu.addMenuItem(this._nextItem);
this.actor.show();
this.refresh();
},
refresh: function() {
this._player.GetRemote('PlaybackStatus', Lang.bind(this, function(result, error) {
if (result == 'Playing')
{
this._playItem.label.set_text('Pause');
this._playItem.icon.set_icon_name('media-playback-pause-symbolic');
}
else
{
this._playItem.label.set_text('Play');
this._playItem.icon.set_icon_name('media-playback-start-symbolic');
}
}));
this._player.GetRemote('Metadata', Lang.bind(this, function(result, error) {
this._title.label.set_text(result['xesam:title']);
this._info.label.set_text(result['xesam:artist'] + ' - ' + result['xesam:album']);
}));
},
_playbackPropertiesChanged: function(emitter, data) {
this.refresh();
},
_onHoverChanged: function() {
},
_previous: function() {
this._player.PreviousRemote();
},
_next: function() {
this._player.NextRemote();
},
_togglePlay: function() {
this._player.GetRemote('PlaybackStatus', Lang.bind(this, function(result, error) {
if (result == 'Playing')
this._player.PauseRemote();
else
this._player.PlayRemote();
}));
this.refresh();
}
};
function main(metadata) {
// This should be placed in the tray (bottom right), but I didn't find an example that does so.
Panel.STANDARD_TRAY_ICON_ORDER.unshift('music-control');
Panel.STANDARD_TRAY_ICON_SHELL_IMPLEMENTATION['music-control'] = MusicControl;
}
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