const Gio = imports.gi.Gio;

const Self = imports.misc.extensionUtils.getCurrentExtension();
const Convenience = Self.imports.convenience;

var Settings = class {

	  /**
	   * Settings object.
	   *
	   * @param [schema]
	   * @private
	   */
	  constructor(schema) {
		    this._settings = Convenience.getSettings(schema);
	  }

	  observe(key, callback) {
		    return this._settings.connect('changed::' + key, callback);
	  }

	  disconnect(handler) {
		    return this._settings.disconnect(handler);
	  }

	  set(key, type, value) {
		    if (this._settings['set_' + type](key, value)) {
			      Gio.Settings.sync(); // wait for write
		    } else {
			      throw "Could not set " + key + " (type: " + type + ") with the value " + value;
		    }
	  }

	  get(key, type) {
		    return this._settings['get_' + type](key);
	  }

};