panel.js

   1 // vi: et sw=2 fileencoding=utf8
   2 //
   3
   4
   5 const Lang = imports.lang;
   6 const Clutter = imports.gi.Clutter;
   7 const St = imports.gi.St;
   8 const PanelMenu = imports.ui.panelMenu;
   9 const GLib = imports.gi.GLib;
  10
  11 const AVM = imports.misc.extensionUtils.getCurrentExtension();
  12 const Settings = AVM.imports.settings;
  13
  14 const AdvancedVolumeMixerStatusButton = new Lang.Class({
  15   Name: 'AdvancedVolumeMixerStatusButton',
  16   Extends: PanelMenu.Button,
  17
  18   _init: function(mixer) {
  19     this.parent(0.0, "AdvancedVolumeMixer");
  20
  21     this.mixer = mixer;
  22
  23     this._box = new St.BoxLayout();
  24
  25     this._icon = new St.Icon({style_class: 'system-status-icon'});
  26     this._bin = new St.Bin({child: this._icon});
  27
  28     this._stateIcon = new St.Icon({icon_name: 'audio-headphones-symbolic',
  29                                    style_class: 'system-status-icon'});
  30     this._stateIconBin = new St.Bin({child: this._stateIcon});
  31
  32     this._box.add(this._bin);
  33     this._box.add(this._stateIconBin);
  34
  35     this._stateIconBin.hide();
  36
  37     this.actor.add_actor(this._box);
  38     this.actor.add_style_class_name('panel-status-button');
  39     this.actor.connect('scroll-event', Lang.bind(this, this._onScrollEvent));
  40
  41     this.mixer.connect("icon-changed", Lang.bind(this, this._onIconChanged));
  42
  43     this.menu.actor.add_style_class_name("AdvancedVolumeMixer");
  44     this.menu.addMenuItem(this.mixer);
  45
  46     this._onIconChanged();
  47   },
  48
  49   _onScrollEvent: function (actor, event) {
  50     this.mixer.scroll(event);
  51   },
  52
  53   _onIconChanged: function () {
  54     this.setIcon(this.mixer.getIcon());
  55
  56     if (this.mixer.outputHasHeadphones()) {
  57       this._stateIconBin.show();
  58     } else {
  59       this._stateIconBin.hide();
  60     }
  61   },
  62
  63   setIcon: function (icon_name) {
  64     this._icon.icon_name = icon_name;
  65   }
  66 });