michael@0: // -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: var SanitizeUI = {
michael@0:   _sanitizer: null,
michael@0: 
michael@0:   _privDataElement: null,
michael@0:   get _privData() {
michael@0:     if (this._privDataElement === null) {
michael@0:       this._privDataElement = document.getElementById("prefs-privdata");
michael@0:     }
michael@0:     return this._privDataElement;
michael@0:   },
michael@0: 
michael@0:   init: function () {
michael@0:     this._sanitizer = new Sanitizer();
michael@0:     this._privData.addEventListener("CheckboxStateChange", this, true);
michael@0:   },
michael@0: 
michael@0:   _clearNotificationTimeout: null,
michael@0:   onSanitize: function onSanitize() {
michael@0:     let button = document.getElementById("prefs-clear-data");
michael@0:     let clearNotificationDeck = document.getElementById("clear-notification");
michael@0:     let clearNotificationEmpty = document.getElementById("clear-notification-empty");
michael@0:     let clearNotificationClearing = document.getElementById("clear-notification-clearing");
michael@0:     let clearNotificationDone = document.getElementById("clear-notification-done");
michael@0:     let allCheckboxes = SanitizeUI._privData.querySelectorAll("checkbox");
michael@0:     let allSelected = SanitizeUI._privData.querySelectorAll(
michael@0:       "#prefs-privdata-history[checked], " +
michael@0:       "#prefs-privdata-other[checked] + #prefs-privdata-subitems .privdata-subitem-item[checked]");
michael@0: 
michael@0:     // disable button and checkboxes temporarily to indicate something is happening
michael@0:     button.disabled = true;
michael@0:     for (let checkbox of allCheckboxes) {
michael@0:       checkbox.disabled = true;
michael@0:     }
michael@0:     clearNotificationDeck.selectedPanel = clearNotificationClearing;
michael@0:     document.getElementById("clearprivacythrobber").enabled = true;
michael@0: 
michael@0:     // Run asynchronously to let UI update
michael@0:     setTimeout(function() {
michael@0:       for (let item of allSelected) {
michael@0:         let itemName = item.getAttribute("itemName");
michael@0: 
michael@0:         try {
michael@0:           SanitizeUI._sanitizer.clearItem(itemName);
michael@0:         } catch(e) {
michael@0:           Components.utils.reportError("Error sanitizing " + itemName + ": " + e);
michael@0:         }
michael@0:       }
michael@0: 
michael@0:       button.disabled = false;
michael@0:       for (let checkbox of allCheckboxes) {
michael@0:         checkbox.disabled = false;
michael@0:       }
michael@0:       clearNotificationDeck.selectedPanel = clearNotificationDone;
michael@0:       document.getElementById("clearprivacythrobber").enabled = false;
michael@0: 
michael@0:       // Clear notifications after 4 seconds
michael@0:       clearTimeout(SanitizeUI._clearNotificationTimeout);
michael@0:       SanitizeUI._clearNotificationTimeout = setTimeout(function() {
michael@0:         clearNotificationDeck.selectedPanel = clearNotificationEmpty;
michael@0:       }, 4000);
michael@0:     }, 0);
michael@0:   },
michael@0: 
michael@0:   /* Disable the clear button when nothing is selected */
michael@0:   _onCheckboxChange: function _onCheckboxChange() {
michael@0:     let anySelected = SanitizeUI._privData.querySelector(
michael@0:       "#prefs-privdata-history[checked], " +
michael@0:       "#prefs-privdata-other[checked] + #prefs-privdata-subitems .privdata-subitem-item[checked]");
michael@0: 
michael@0:     let clearButton = document.getElementById("prefs-clear-data");
michael@0:     clearButton.disabled = !anySelected;
michael@0:   },
michael@0: 
michael@0:   handleEvent: function (aEvent) {
michael@0:     switch (aEvent.type) {
michael@0:       case "CheckboxStateChange":
michael@0:         this._onCheckboxChange();
michael@0:         break;
michael@0:     }
michael@0:   },
michael@0: };