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-rw-r--r--js/ui/audioDeviceSelection.js199
1 files changed, 199 insertions, 0 deletions
diff --git a/js/ui/audioDeviceSelection.js b/js/ui/audioDeviceSelection.js
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+++ b/js/ui/audioDeviceSelection.js
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+/* exported AudioDeviceSelectionDBus */
+const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
+
+const Dialog = imports.ui.dialog;
+const Main = imports.ui.main;
+const ModalDialog = imports.ui.modalDialog;
+
+const { loadInterfaceXML } = imports.misc.fileUtils;
+
+var AudioDevice = {
+ HEADPHONES: 1 << 0,
+ HEADSET: 1 << 1,
+ MICROPHONE: 1 << 2,
+};
+
+const AudioDeviceSelectionIface = loadInterfaceXML('org.gnome.Shell.AudioDeviceSelection');
+
+var AudioDeviceSelectionDialog = GObject.registerClass({
+ Signals: { 'device-selected': { param_types: [GObject.TYPE_UINT] } },
+}, class AudioDeviceSelectionDialog extends ModalDialog.ModalDialog {
+ _init(devices) {
+ super._init({ styleClass: 'audio-device-selection-dialog' });
+
+ this._deviceItems = {};
+
+ this._buildLayout();
+
+ if (devices & AudioDevice.HEADPHONES)
+ this._addDevice(AudioDevice.HEADPHONES);
+ if (devices & AudioDevice.HEADSET)
+ this._addDevice(AudioDevice.HEADSET);
+ if (devices & AudioDevice.MICROPHONE)
+ this._addDevice(AudioDevice.MICROPHONE);
+
+ if (this._selectionBox.get_n_children() < 2)
+ throw new Error('Too few devices for a selection');
+ }
+
+ _buildLayout() {
+ let content = new Dialog.MessageDialogContent({
+ title: _('Select Audio Device'),
+ });
+
+ this._selectionBox = new St.BoxLayout({
+ style_class: 'audio-selection-box',
+ x_align: Clutter.ActorAlign.CENTER,
+ x_expand: true,
+ });
+ content.add_child(this._selectionBox);
+
+ this.contentLayout.add_child(content);
+
+ if (Main.sessionMode.allowSettings) {
+ this.addButton({
+ action: this._openSettings.bind(this),
+ label: _('Sound Settings'),
+ });
+ }
+ this.addButton({
+ action: () => this.close(),
+ label: _('Cancel'),
+ key: Clutter.KEY_Escape,
+ });
+ }
+
+ _getDeviceLabel(device) {
+ switch (device) {
+ case AudioDevice.HEADPHONES:
+ return _("Headphones");
+ case AudioDevice.HEADSET:
+ return _("Headset");
+ case AudioDevice.MICROPHONE:
+ return _("Microphone");
+ default:
+ return null;
+ }
+ }
+
+ _getDeviceIcon(device) {
+ switch (device) {
+ case AudioDevice.HEADPHONES:
+ return 'audio-headphones-symbolic';
+ case AudioDevice.HEADSET:
+ return 'audio-headset-symbolic';
+ case AudioDevice.MICROPHONE:
+ return 'audio-input-microphone-symbolic';
+ default:
+ return null;
+ }
+ }
+
+ _addDevice(device) {
+ let box = new St.BoxLayout({ style_class: 'audio-selection-device-box',
+ vertical: true });
+ box.connect('notify::height', () => {
+ Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
+ box.width = box.height;
+ return GLib.SOURCE_REMOVE;
+ });
+ });
+
+ let icon = new St.Icon({ style_class: 'audio-selection-device-icon',
+ icon_name: this._getDeviceIcon(device) });
+ box.add(icon);
+
+ let label = new St.Label({ style_class: 'audio-selection-device-label',
+ text: this._getDeviceLabel(device),
+ x_align: Clutter.ActorAlign.CENTER });
+ box.add(label);
+
+ let button = new St.Button({ style_class: 'audio-selection-device',
+ can_focus: true,
+ child: box });
+ this._selectionBox.add(button);
+
+ button.connect('clicked', () => {
+ this.emit('device-selected', device);
+ this.close();
+ Main.overview.hide();
+ });
+ }
+
+ _openSettings() {
+ let desktopFile = 'gnome-sound-panel.desktop';
+ let app = Shell.AppSystem.get_default().lookup_app(desktopFile);
+
+ if (!app) {
+ log('Settings panel for desktop file %s could not be loaded!'.format(desktopFile));
+ return;
+ }
+
+ this.close();
+ Main.overview.hide();
+ app.activate();
+ }
+});
+
+var AudioDeviceSelectionDBus = class AudioDeviceSelectionDBus {
+ constructor() {
+ this._audioSelectionDialog = null;
+
+ this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(AudioDeviceSelectionIface, this);
+ this._dbusImpl.export(Gio.DBus.session, '/org/gnome/Shell/AudioDeviceSelection');
+
+ Gio.DBus.session.own_name('org.gnome.Shell.AudioDeviceSelection', Gio.BusNameOwnerFlags.REPLACE, null, null);
+ }
+
+ _onDialogClosed() {
+ this._audioSelectionDialog = null;
+ }
+
+ _onDeviceSelected(dialog, device) {
+ let connection = this._dbusImpl.get_connection();
+ let info = this._dbusImpl.get_info();
+ const deviceName = Object.keys(AudioDevice)
+ .filter(dev => AudioDevice[dev] === device)[0].toLowerCase();
+ connection.emit_signal(this._audioSelectionDialog._sender,
+ this._dbusImpl.get_object_path(),
+ info ? info.name : null,
+ 'DeviceSelected',
+ GLib.Variant.new('(s)', [deviceName]));
+ }
+
+ OpenAsync(params, invocation) {
+ if (this._audioSelectionDialog) {
+ invocation.return_value(null);
+ return;
+ }
+
+ let [deviceNames] = params;
+ let devices = 0;
+ deviceNames.forEach(n => (devices |= AudioDevice[n.toUpperCase()]));
+
+ let dialog;
+ try {
+ dialog = new AudioDeviceSelectionDialog(devices);
+ } catch (e) {
+ invocation.return_value(null);
+ return;
+ }
+ dialog._sender = invocation.get_sender();
+
+ dialog.connect('closed', this._onDialogClosed.bind(this));
+ dialog.connect('device-selected',
+ this._onDeviceSelected.bind(this));
+ dialog.open();
+
+ this._audioSelectionDialog = dialog;
+ invocation.return_value(null);
+ }
+
+ CloseAsync(params, invocation) {
+ if (this._audioSelectionDialog &&
+ this._audioSelectionDialog._sender == invocation.get_sender())
+ this._audioSelectionDialog.close();
+
+ invocation.return_value(null);
+ }
+};