1 files changed, 70 insertions, 0 deletions
diff --git a/js/ui/status/nightLight.js b/js/ui/status/nightLight.js
new file mode 100644
index 0000000..0d148e3
--- /dev/null
+++ b/js/ui/status/nightLight.js
@@ -0,0 +1,70 @@
+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported Indicator */
+
+const {Gio, GLib, GObject} = imports.gi;
+
+const {QuickToggle, SystemIndicator} = imports.ui.quickSettings;
+
+const {loadInterfaceXML} = imports.misc.fileUtils;
+
+const BUS_NAME = 'org.gnome.SettingsDaemon.Color';
+const OBJECT_PATH = '/org/gnome/SettingsDaemon/Color';
+
+const ColorInterface = loadInterfaceXML('org.gnome.SettingsDaemon.Color');
+const colorInfo = Gio.DBusInterfaceInfo.new_for_xml(ColorInterface);
+
+const NightLightToggle = GObject.registerClass(
+class NightLightToggle extends QuickToggle {
+    _init() {
+        super._init({
+            label: _('Night Light'),
+            iconName: 'night-light-symbolic',
+            toggleMode: true,
+        });
+
+        const monitorManager = global.backend.get_monitor_manager();
+        monitorManager.bind_property('night-light-supported',
+            this, 'visible',
+            GObject.BindingFlags.SYNC_CREATE);
+
+        this._settings = new Gio.Settings({
+            schema_id: 'org.gnome.settings-daemon.plugins.color',
+        });
+        this._settings.bind('night-light-enabled',
+            this, 'checked',
+            Gio.SettingsBindFlags.DEFAULT);
+    }
+});
+
+var Indicator = GObject.registerClass(
+class Indicator extends SystemIndicator {
+    _init() {
+        super._init();
+
+        this._indicator = this._addIndicator();
+        this._indicator.icon_name = 'night-light-symbolic';
+
+        this.quickSettingsItems.push(new NightLightToggle());
+
+        this._proxy = new Gio.DBusProxy({
+            g_connection: Gio.DBus.session,
+            g_name: BUS_NAME,
+            g_object_path: OBJECT_PATH,
+            g_interface_name: colorInfo.name,
+            g_interface_info: colorInfo,
+        });
+        this._proxy.connect('g-properties-changed', (p, properties) => {
+            const nightLightActiveChanged = !!properties.lookup_value('NightLightActive', null);
+            if (nightLightActiveChanged)
+                this._sync();
+        });
+        this._proxy.init_async(GLib.PRIORITY_DEFAULT, null)
+            .catch(e => console.error(e.message));
+
+        this._sync();
+    }
+
+    _sync() {
+        this._indicator.visible = this._proxy.NightLightActive;
+    }
+});