377 lines
11 KiB
JavaScript
377 lines
11 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const { Clutter, Gio, Gvc, St } = imports.gi;
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const Signals = imports.signals;
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const Main = imports.ui.main;
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const PanelMenu = imports.ui.panelMenu;
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const PopupMenu = imports.ui.popupMenu;
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const Slider = imports.ui.slider;
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const ALLOW_AMPLIFIED_VOLUME_KEY = 'allow-volume-above-100-percent';
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// Each Gvc.MixerControl is a connection to PulseAudio,
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// so it's better to make it a singleton
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let _mixerControl;
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function getMixerControl() {
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if (_mixerControl)
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return _mixerControl;
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_mixerControl = new Gvc.MixerControl({ name: 'GNOME Shell Volume Control' });
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_mixerControl.open();
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return _mixerControl;
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}
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var StreamSlider = class {
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constructor(control) {
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this._control = control;
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this.item = new PopupMenu.PopupBaseMenuItem({ activate: false });
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this._slider = new Slider.Slider(0);
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this._soundSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.sound' });
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this._soundSettings.connect('changed::' + ALLOW_AMPLIFIED_VOLUME_KEY, this._amplifySettingsChanged.bind(this));
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this._amplifySettingsChanged();
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this._slider.connect('value-changed', this._sliderChanged.bind(this));
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this._slider.connect('drag-end', this._notifyVolumeChange.bind(this));
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this._icon = new St.Icon({ style_class: 'popup-menu-icon' });
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this.item.add(this._icon);
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this.item.add(this._slider.actor, { expand: true });
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this.item.connect('button-press-event', (actor, event) => {
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return this._slider.startDragging(event);
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});
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this.item.connect('key-press-event', (actor, event) => {
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return this._slider.onKeyPressEvent(actor, event);
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});
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this._stream = null;
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this._volumeCancellable = null;
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}
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get stream() {
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return this._stream;
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}
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set stream(stream) {
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if (this._stream) {
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this._disconnectStream(this._stream);
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}
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this._stream = stream;
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if (this._stream) {
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this._connectStream(this._stream);
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this._updateVolume();
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} else {
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this.emit('stream-updated');
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}
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this._updateVisibility();
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}
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_disconnectStream(stream) {
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stream.disconnect(this._mutedChangedId);
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this._mutedChangedId = 0;
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stream.disconnect(this._volumeChangedId);
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this._volumeChangedId = 0;
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}
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_connectStream(stream) {
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this._mutedChangedId = stream.connect('notify::is-muted', this._updateVolume.bind(this));
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this._volumeChangedId = stream.connect('notify::volume', this._updateVolume.bind(this));
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}
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_shouldBeVisible() {
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return this._stream != null;
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}
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_updateVisibility() {
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let visible = this._shouldBeVisible();
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this.item.visible = visible;
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}
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scroll(event) {
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return this._slider.scroll(event);
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}
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setValue(value) {
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// piggy-back off of sliderChanged
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this._slider.setValue(value);
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}
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_sliderChanged(slider, value, property) {
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if (!this._stream)
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return;
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let volume = value * this._control.get_vol_max_norm();
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let prevMuted = this._stream.is_muted;
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if (volume < 1) {
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this._stream.volume = 0;
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if (!prevMuted)
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this._stream.change_is_muted(true);
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} else {
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this._stream.volume = volume;
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if (prevMuted)
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this._stream.change_is_muted(false);
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}
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this._stream.push_volume();
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}
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_notifyVolumeChange() {
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if (this._volumeCancellable)
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this._volumeCancellable.cancel();
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this._volumeCancellable = new Gio.Cancellable();
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let player = global.display.get_sound_player();
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player.play_from_theme('audio-volume-change',
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_("Volume changed"),
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this._volumeCancellable);
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}
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_updateVolume() {
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let muted = this._stream.is_muted;
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this._slider.setValue(muted ? 0 : (this._stream.volume / this._control.get_vol_max_norm()));
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this.emit('stream-updated');
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}
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_amplifySettingsChanged() {
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this._allowAmplified = this._soundSettings.get_boolean(ALLOW_AMPLIFIED_VOLUME_KEY);
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if (this._allowAmplified)
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this._slider.setMaximumValue(this.getMaxLevel() / 100);
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else
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this._slider.setMaximumValue(1);
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if (this._stream)
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this._updateVolume();
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}
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getIcon() {
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if (!this._stream)
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return null;
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let icons = ["audio-volume-muted-symbolic",
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"audio-volume-low-symbolic",
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"audio-volume-medium-symbolic",
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"audio-volume-high-symbolic",
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"audio-volume-overamplified-symbolic"];
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let volume = this._stream.volume;
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let n;
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if (this._stream.is_muted || volume <= 0) {
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n = 0;
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} else {
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n = Math.ceil(3 * volume / this._control.get_vol_max_norm());
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if (n < 1)
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n = 1;
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else if (n > 3)
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n = 4;
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}
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return icons[n];
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}
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getLevel() {
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if (!this._stream)
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return null;
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return 100 * this._stream.volume / this._control.get_vol_max_norm();
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}
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getMaxLevel() {
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let maxVolume = this._control.get_vol_max_norm();
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if (this._allowAmplified)
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maxVolume = this._control.get_vol_max_amplified();
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return 100 * maxVolume / this._control.get_vol_max_norm();
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}
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};
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Signals.addSignalMethods(StreamSlider.prototype);
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var OutputStreamSlider = class extends StreamSlider {
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constructor(control) {
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super(control);
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this._slider.actor.accessible_name = _("Volume");
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}
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_connectStream(stream) {
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super._connectStream(stream);
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this._portChangedId = stream.connect('notify::port', this._portChanged.bind(this));
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this._portChanged();
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}
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_findHeadphones(sink) {
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// This only works for external headphones (e.g. bluetooth)
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if (sink.get_form_factor() == 'headset' ||
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sink.get_form_factor() == 'headphone')
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return true;
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// a bit hackish, but ALSA/PulseAudio have a number
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// of different identifiers for headphones, and I could
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// not find the complete list
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if (sink.get_ports().length > 0)
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return sink.get_port().port.includes('headphone');
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return false;
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}
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_disconnectStream(stream) {
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super._disconnectStream(stream);
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stream.disconnect(this._portChangedId);
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this._portChangedId = 0;
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}
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_updateSliderIcon() {
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this._icon.icon_name = (this._hasHeadphones ?
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'audio-headphones-symbolic' :
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'audio-speakers-symbolic');
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}
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_portChanged() {
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let hasHeadphones = this._findHeadphones(this._stream);
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if (hasHeadphones != this._hasHeadphones) {
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this._hasHeadphones = hasHeadphones;
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this._updateSliderIcon();
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}
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}
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};
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var InputStreamSlider = class extends StreamSlider {
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constructor(control) {
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super(control);
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this._slider.actor.accessible_name = _("Microphone");
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this._control.connect('stream-added', this._maybeShowInput.bind(this));
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this._control.connect('stream-removed', this._maybeShowInput.bind(this));
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this._icon.icon_name = 'audio-input-microphone-symbolic';
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}
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_connectStream(stream) {
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super._connectStream(stream);
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this._maybeShowInput();
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}
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_maybeShowInput() {
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// only show input widgets if any application is recording audio
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let showInput = false;
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let recordingApps = this._control.get_source_outputs();
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if (this._stream && recordingApps) {
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for (let i = 0; i < recordingApps.length; i++) {
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let outputStream = recordingApps[i];
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let id = outputStream.get_application_id();
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// but skip gnome-volume-control and pavucontrol
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// (that appear as recording because they show the input level)
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if (!id || (id != 'org.gnome.VolumeControl' && id != 'org.PulseAudio.pavucontrol')) {
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showInput = true;
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break;
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}
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}
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}
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this._showInput = showInput;
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this._updateVisibility();
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}
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_shouldBeVisible() {
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return super._shouldBeVisible() && this._showInput;
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}
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};
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var VolumeMenu = class extends PopupMenu.PopupMenuSection {
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constructor(control) {
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super();
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this.hasHeadphones = false;
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this._control = control;
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this._control.connect('state-changed', this._onControlStateChanged.bind(this));
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this._control.connect('default-sink-changed', this._readOutput.bind(this));
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this._control.connect('default-source-changed', this._readInput.bind(this));
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this._output = new OutputStreamSlider(this._control);
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this._output.connect('stream-updated', () => {
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this.emit('icon-changed');
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});
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this.addMenuItem(this._output.item);
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this._input = new InputStreamSlider(this._control);
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this.addMenuItem(this._input.item);
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this.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
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this._onControlStateChanged();
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}
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scroll(event) {
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return this._output.scroll(event);
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}
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_onControlStateChanged() {
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if (this._control.get_state() == Gvc.MixerControlState.READY) {
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this._readInput();
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this._readOutput();
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} else {
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this.emit('icon-changed');
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}
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}
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_readOutput() {
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this._output.stream = this._control.get_default_sink();
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}
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_readInput() {
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this._input.stream = this._control.get_default_source();
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}
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getIcon() {
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return this._output.getIcon();
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}
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getLevel() {
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return this._output.getLevel();
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}
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getMaxLevel() {
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return this._output.getMaxLevel();
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}
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};
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var Indicator = class extends PanelMenu.SystemIndicator {
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constructor() {
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super();
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this._primaryIndicator = this._addIndicator();
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this._control = getMixerControl();
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this._volumeMenu = new VolumeMenu(this._control);
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this._volumeMenu.connect('icon-changed', menu => {
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let icon = this._volumeMenu.getIcon();
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if (icon != null) {
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this.indicators.show();
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this._primaryIndicator.icon_name = icon;
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} else {
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this.indicators.hide();
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}
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});
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this.menu.addMenuItem(this._volumeMenu);
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this.indicators.connect('scroll-event', this._onScrollEvent.bind(this));
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}
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_onScrollEvent(actor, event) {
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let result = this._volumeMenu.scroll(event);
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if (result == Clutter.EVENT_PROPAGATE || this.menu.actor.mapped)
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return result;
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let gicon = new Gio.ThemedIcon({ name: this._volumeMenu.getIcon() });
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let level = parseInt(this._volumeMenu.getLevel());
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let maxLevel = parseInt(this._volumeMenu.getMaxLevel());
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Main.osdWindowManager.show(-1, gicon, null, level, maxLevel);
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return result;
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}
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};
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