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gnome-shell/js/ui/audioDeviceSelection.js
Florian Müllner 033277b68f Define externally accessible contants with 'var' instead of 'const'
Just as we did with classes, define other constants that are (or
may be) used from other modules with 'var' to cut down on warnings.

https://bugzilla.gnome.org/show_bug.cgi?id=785084
2017-07-18 21:52:06 +02:00

217 lines
6.9 KiB
JavaScript

const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Main = imports.ui.main;
const ModalDialog = imports.ui.modalDialog;
var AudioDevice = {
HEADPHONES: 1 << 0,
HEADSET: 1 << 1,
MICROPHONE: 1 << 2
};
const AudioDeviceSelectionIface = '<node> \
<interface name="org.gnome.Shell.AudioDeviceSelection"> \
<method name="Open"> \
<arg name="devices" direction="in" type="as" /> \
</method> \
<method name="Close"> \
</method> \
<signal name="DeviceSelected"> \
<arg name="device" type="s" /> \
</signal> \
</interface> \
</node>';
var AudioDeviceSelectionDialog = new Lang.Class({
Name: 'AudioDeviceSelectionDialog',
Extends: ModalDialog.ModalDialog,
_init: function(devices) {
this.parent({ 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');
},
destroy: function() {
this.parent();
},
_buildLayout: function(devices) {
let title = new St.Label({ style_class: 'audio-selection-title',
text: _("Select Audio Device"),
x_align: Clutter.ActorAlign.CENTER });
this.contentLayout.style_class = 'audio-selection-content';
this.contentLayout.add(title);
this._selectionBox = new St.BoxLayout({ style_class: 'audio-selection-box' });
this.contentLayout.add(this._selectionBox, { expand: true });
this.addButton({ action: Lang.bind(this, this._openSettings),
label: _("Sound Settings") });
this.addButton({ action: Lang.bind(this, this.close),
label: _("Cancel"),
key: Clutter.Escape });
},
_getDeviceLabel: function(device) {
switch(device) {
case AudioDevice.HEADPHONES:
return _("Headphones");
case AudioDevice.HEADSET:
return _("Headset");
case AudioDevice.MICROPHONE:
return _("Microphone");
default:
return null;
}
},
_getDeviceIcon: function(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: function(device) {
let box = new St.BoxLayout({ style_class: 'audio-selection-device-box',
vertical: true });
box.connect('notify::height',
function() {
Meta.later_add(Meta.LaterType.BEFORE_REDRAW,
function() {
box.width = box.height;
});
});
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', Lang.bind(this,
function() {
this.emit('device-selected', device);
this.close();
Main.overview.hide();
}));
},
_openSettings: function() {
let desktopFile = 'gnome-sound-panel.desktop'
let app = Shell.AppSystem.get_default().lookup_app(desktopFile);
if (!app) {
log('Settings panel for desktop file ' + desktopFile + ' could not be loaded!');
return;
}
this.close();
Main.overview.hide();
app.activate();
}
});
var AudioDeviceSelectionDBus = new Lang.Class({
Name: 'AudioDeviceSelectionDBus',
_init: function() {
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: function() {
this._audioSelectionDialog = null;
},
_onDeviceSelected: function(dialog, device) {
let connection = this._dbusImpl.get_connection();
let info = this._dbusImpl.get_info();
let deviceName = Object.keys(AudioDevice).filter(
function(dev) {
return 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: function(params, invocation) {
if (this._audioSelectionDialog) {
invocation.return_value(null);
return;
}
let [deviceNames] = params;
let devices = 0;
deviceNames.forEach(function(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', Lang.bind(this, this._onDialogClosed));
dialog.connect('device-selected',
Lang.bind(this, this._onDeviceSelected));
dialog.open();
this._audioSelectionDialog = dialog;
invocation.return_value(null);
},
CloseAsync: function(params, invocation) {
if (this._audioSelectionDialog &&
this._audioSelectionDialog._sender == invocation.get_sender())
this._audioSelectionDialog.close();
invocation.return_value(null);
}
});