cleanup: Port non-GObject classes to JS6 classes

ES6 finally adds standard class syntax to the language, so we can
replace our custom Lang.Class framework with the new syntax. Any
classes that inherit from GObject will need special treatment,
so limit the port to regular javascript classes for now.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/361

js/ui/components/automountManager.js

@@ -1,6 +1,5 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
-const Lang = imports.lang;
 const Mainloop = imports.mainloop;
 const GLib = imports.gi.GLib;
 const Gio = imports.gi.Gio;
@@ -19,10 +18,8 @@ const SETTING_ENABLE_AUTOMOUNT = 'automount';
 
 var AUTORUN_EXPIRE_TIMEOUT_SECS = 10;
 
-var AutomountManager = new Lang.Class({
-    Name: 'AutomountManager',
-
-    _init() {
+var AutomountManager = class {
+    constructor() {
         this._settings = new Gio.Settings({ schema_id: SETTINGS_SCHEMA });
         this._volumeQueue = [];
         this._activeOperations = new Map();
@@ -34,7 +31,7 @@ var AutomountManager = new Lang.Class({
         this._inhibited = false;
 
         this._volumeMonitor = Gio.VolumeMonitor.get();
-    },
+    }
 
     enable() {
         this._volumeAddedId = this._volumeMonitor.connect('volume-added', this._onVolumeAdded.bind(this));
@@ -45,7 +42,7 @@ var AutomountManager = new Lang.Class({
 
         this._mountAllId = Mainloop.idle_add(this._startupMountAll.bind(this));
         GLib.Source.set_name_by_id(this._mountAllId, '[gnome-shell] this._startupMountAll');
-    },
+    }
 
     disable() {
         this._volumeMonitor.disconnect(this._volumeAddedId);
@@ -58,7 +55,7 @@ var AutomountManager = new Lang.Class({
             Mainloop.source_remove(this._mountAllId);
             this._mountAllId = 0;
         }
-    },
+    }
 
     _InhibitorsChanged(object, senderName, [inhibtor]) {
         this._session.IsInhibitedRemote(GNOME_SESSION_AUTOMOUNT_INHIBIT,
@@ -67,7 +64,7 @@ var AutomountManager = new Lang.Class({
                     this._inhibited = result[0];
                 }
             });
-    },
+    }
 
     _startupMountAll() {
         let volumes = this._volumeMonitor.get_volumes();
@@ -79,7 +76,7 @@ var AutomountManager = new Lang.Class({
 
         this._mountAllId = 0;
         return GLib.SOURCE_REMOVE;
-    },
+    }
 
     _onDriveConnected() {
         // if we're not in the current ConsoleKit session,
@@ -91,7 +88,7 @@ var AutomountManager = new Lang.Class({
         player.play_from_theme('device-added-media',
                                _("External drive connected"),
                                null);
-    },
+    }
 
     _onDriveDisconnected() {
         // if we're not in the current ConsoleKit session,
@@ -103,7 +100,7 @@ var AutomountManager = new Lang.Class({
         sound.play_from_theme('device-removed-media',
                               _("External drive disconnected"),
                               null);
-    },
+    }
 
     _onDriveEjectButton(monitor, drive) {
         // TODO: this code path is not tested, as the GVfs volume monitor
@@ -134,11 +131,11 @@ var AutomountManager = new Lang.Class({
                      }
                  });
         }
-    },
+    }
 
     _onVolumeAdded(monitor, volume) {
         this._checkAndMountVolume(volume);
-    },
+    }
 
     _checkAndMountVolume(volume, params) {
         params = Params.parse(params, { checkSession: true,
@@ -178,7 +175,7 @@ var AutomountManager = new Lang.Class({
         } else {
             this._mountVolume(volume, null, params.allowAutorun);
         }
-    },
+    }
 
     _mountVolume(volume, operation, allowAutorun) {
         if (allowAutorun)
@@ -189,7 +186,7 @@ var AutomountManager = new Lang.Class({
 
         volume.mount(0, mountOp, null,
                      this._onVolumeMounted.bind(this));
-    },
+    }
 
     _onVolumeMounted(volume, res) {
         this._allowAutorunExpire(volume);
@@ -214,7 +211,7 @@ var AutomountManager = new Lang.Class({
                 this._closeOperation(volume);
             }
         }
-    },
+    }
 
     _onVolumeRemoved(monitor, volume) {
         if (volume._allowAutorunExpireId && volume._allowAutorunExpireId > 0) {
@@ -223,7 +220,7 @@ var AutomountManager = new Lang.Class({
         }
         this._volumeQueue = 
             this._volumeQueue.filter(element => (element != volume));
-    },
+    }
 
     _reaskPassword(volume) {
         let prevOperation = this._activeOperations.get(volume);
@@ -232,7 +229,7 @@ var AutomountManager = new Lang.Class({
             new ShellMountOperation.ShellMountOperation(volume,
                                                         { existingDialog: existingDialog });
         this._mountVolume(volume, operation);
-    },
+    }
 
     _closeOperation(volume) {
         let operation = this._activeOperations.get(volume);
@@ -240,11 +237,11 @@ var AutomountManager = new Lang.Class({
             return;
         operation.close();
         this._activeOperations.delete(volume);
-    },
+    }
 
     _allowAutorun(volume) {
         volume.allowAutorun = true;
-    },
+    }
 
     _allowAutorunExpire(volume) {
         let id = Mainloop.timeout_add_seconds(AUTORUN_EXPIRE_TIMEOUT_SECS, () => {
@@ -255,5 +252,5 @@ var AutomountManager = new Lang.Class({
         volume._allowAutorunExpireId = id;
         GLib.Source.set_name_by_id(id, '[gnome-shell] volume.allowAutorun');
     }
-});
+};
 var Component = AutomountManager;