| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /** |
| * @fileoverview Base class for dialogs that require saving preferences on |
| * confirm and resetting preference inputs on cancel. |
| */ |
| |
| cr.define('options', function() { |
| /** @const */ var OptionsPage = options.OptionsPage; |
| |
| /** |
| * Base class for settings dialogs. |
| * @constructor |
| * @param {string} name See OptionsPage constructor. |
| * @param {string} title See OptionsPage constructor. |
| * @param {string} pageDivName See OptionsPage constructor. |
| * @param {HTMLInputElement} okButton The confirmation button element. |
| * @param {HTMLInputElement} cancelButton The cancellation button element. |
| * @extends {OptionsPage} |
| */ |
| function SettingsDialog(name, title, pageDivName, okButton, cancelButton) { |
| OptionsPage.call(this, name, title, pageDivName); |
| this.okButton = okButton; |
| this.cancelButton = cancelButton; |
| } |
| |
| SettingsDialog.prototype = { |
| __proto__: OptionsPage.prototype, |
| |
| /** @override */ |
| initializePage: function() { |
| this.okButton.onclick = this.handleConfirm.bind(this); |
| this.cancelButton.onclick = this.handleCancel.bind(this); |
| }, |
| |
| /** |
| * Handles the confirm button by saving the dialog preferences. |
| */ |
| handleConfirm: function() { |
| OptionsPage.closeOverlay(); |
| |
| var prefs = Preferences.getInstance(); |
| var els = this.pageDiv.querySelectorAll('[dialog-pref]'); |
| for (var i = 0; i < els.length; i++) { |
| if (els[i].pref) |
| prefs.commitPref(els[i].pref, els[i].metric); |
| } |
| }, |
| |
| /** |
| * Handles the cancel button by closing the overlay. |
| */ |
| handleCancel: function() { |
| OptionsPage.closeOverlay(); |
| |
| var prefs = Preferences.getInstance(); |
| var els = this.pageDiv.querySelectorAll('[dialog-pref]'); |
| for (var i = 0; i < els.length; i++) { |
| if (els[i].pref) |
| prefs.rollbackPref(els[i].pref); |
| } |
| }, |
| }; |
| |
| return { |
| SettingsDialog: SettingsDialog |
| }; |
| }); |