474 lines
17 KiB
JavaScript
474 lines
17 KiB
JavaScript
/**
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* (C) Copyright Collin Doering 2013
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* File:. default.js
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* Author: Collin J. Doering
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* Date: Sep 6, 2013
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* Description: Client-side logic for blog-rekahsoft-ca
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*/
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//------------------------
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/*jslint browser: true*/
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/*global jQuery, MathJax*/
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//------------------------
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// Global array for processing piwik analytics commands
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var _paq = _paq || [];
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(function ($, mj) {
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"use strict";
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var router = (function () {
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var routes = [],
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routeDefault = { acceptUrls: /.*/ },
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initCallbacks = [],
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onChangeCallbacks = [],
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beforeSends = [],
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onSuccesss = [],
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onErrors = [],
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spec = {
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runRouter: function runRouter(url) {
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var i;
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for (i = 0; i < routes.length; i += 1) {
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if (routes[i].acceptUrls.test(url)) {
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load(url, routes[i]);
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break;
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}
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}
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// No route ran; run default route
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if (i === routes.length) {
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load(url, routeDefault);
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}
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},
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onInit: function onInit(cb) {
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if (typeof cb === "function") {
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initCallbacks.push(cb);
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}
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},
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onChange: function onChange(cb) {
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if (typeof cb === 'function') {
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onChangeCallbacks.push(cb);
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}
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},
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beforeSend: function beforeSend(cb) {
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if (typeof cb === "function") {
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beforeSends.push(cb);
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}
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},
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onSuccess: function onSuccess(cb) {
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if (typeof cb === "function") {
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onSuccesss.push(cb);
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}
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},
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onError: function onError(cb) {
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if (typeof cb === "function") {
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onErrors.push(cb);
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}
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},
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route: function route(r) {
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if (typeof r === "object" && r.acceptUrls instanceof RegExp) {
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routes.push(r);
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} else {
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throw "Error invalid route";
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}
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},
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defaultRoute: function defaultRoute(r) {
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if (typeof r === "object") {
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r.acceptUrls = /.*/;
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routeDefault = r;
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}
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},
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jsUrls: function (sel) {
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$(sel).each(function (i) {
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var href = $(this).attr('href'),
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external_url_regexp = /https?:\/\/.*/,
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mailto_regexp = /mailto:.*/,
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files_regexp = /files\/.*/,
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images_regexp = /images\/.*/;
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if (!(external_url_regexp.test(href) || mailto_regexp.test(href) || files_regexp.test(href) || images_regexp.test(href))) {
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$(this).click(function (e) {
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e.preventDefault();
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spec.runRouter(href);
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});
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}
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});
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}
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};
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function setUrl(url) {
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if (url === "/index.html") {
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history.pushState(null, "Home", "/");
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} else {
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// TODO: strip url into title
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history.pushState(null, "Title", url);
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}
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runCallbacks(url);
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}
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function load(url, r) {
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// Set url in navigation bar
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setUrl(url);
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// Load route using ajax
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$.ajax({
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url: url,
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type: 'GET',
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dataType: 'html',
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beforeSend: function (xhr, settings) {
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// Run router beforeSend handlers
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beforeSends.forEach(function (cb) {
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cb(url);
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});
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// Run current handlers onSuccess callback (if it exists)
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if (r.hasOwnProperty('beforeSend') && typeof r.beforeSend === 'function') {
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r.beforeSend(url);
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}
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},
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success: function (dta) {
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// Parse script tags out of html
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dta = $($.parseHTML(dta)).filter('#page-content').html();
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// Add anchor click handlers for internal links in new content
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spec.jsUrls('#page-content a');
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// Run router onSuccess handlers
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onSuccesss.forEach(function (cb) {
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cb(url, dta);
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});
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// Run current handles onSuccess callback (if it exists)
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if (r.hasOwnProperty('onSuccess') && typeof r.onSuccess === 'function') {
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r.onSuccess(url, dta);
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}
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},
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error: function (xhr, status) {
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// Run router onError handlers
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onErrors.forEach(function (cb) {
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cb(url, status);
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});
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// Run current handles onError callback (if it exists)
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if (r.hasOwnProperty('onError') && typeof r.onError === 'function') {
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r.onError(url, status);
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}
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}
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});
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}
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function runCallbacks(url) {
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// Run each of the onChangeCallbacks
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onChangeCallbacks.forEach(function (cb) {
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cb(url);
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});
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}
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// Listen for load event and run initCallbacks
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window.addEventListener("load", function () {
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initCallbacks.forEach(function (cb) {
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cb(location.pathname);
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});
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});
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// Listen for popstate event and call router with the new url
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window.addEventListener("popstate", function (e) {
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router.runRouter(location.pathname);
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});
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return spec;
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}()),
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analytics = (function () {
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var inited = false,
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spec = {
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trackPageView: trackPageView,
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debugEnable: function () {
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init();
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}
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};
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function trackPageView (href) {
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if (inited) {
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_paq.push(["setDocumentTitle", document.domain + href]);
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_paq.push(["trackPageView"]);
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}
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}
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function init() {
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if (!inited) {
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_paq.push(["setDoNotTrack", true]);
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_paq.push(["enableLinkTracking"]);
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_paq.push(["setTrackerUrl", "//analytics.rekahsoft.ca/piwik.php"]);
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_paq.push(["setSiteId", 1]);
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inited = true;
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}
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}
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// Initialize piwik.js when site is initially loaded
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router.onInit(function () {
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if (document.domain != "localhost") {
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init();
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trackPageView('/');
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}
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});
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// Track page views with piwik each time the url changes
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router.onChange(function (url, dta) {
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trackPageView(url);
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});
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return spec
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}()),
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site = (function () {
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var status = (function () {
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var messages = [],
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validIndicators = ["error", "success", "info"],
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spec = {
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setMessage: function setMessage(indicator, msg) {
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var message = {}, hasValidIndicator = false;
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for (var i = 0; i < validIndicators.length; i++) {
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if (indicator === validIndicators[i]) {
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hasValidIndicator = true;
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break;
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}
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}
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if (!hasValidIndicator) {
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throw "The indicator given '" + indicator + "' is not know";
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} else {
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message.indicator = indicator;
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message.msg = msg;
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messages.push(message);
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// TODO: Set the current message and appropriate class on #status given the indicator
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// parameter, which can be one of "error", "success", or "info".
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}
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},
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hasMessage: function hasMessage() {
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if (messages.length === 0) {
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return false;
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} else {
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return true;
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}
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},
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validIndicators: validIndicators,
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clear: function clear() {
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// clear the status messages
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messages = [];
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$('#status').html('');
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},
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hide: function hide(indication) {
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$('#status').slideUp('normal', function () {
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$('#status').removeClass('error').removeClass('success').children('p.message').remove();
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});
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}
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};
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router.onSuccess(function (url, dta) {
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status.hide();
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});
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$(document).ready(function () {
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$('#status a.close-button').click(function () {
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$(this).parent().slideUp(function () {
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$(this).removeClass('error').removeClass('success');
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$(this).children('p.message').remove();
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});
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});
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});
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return spec;
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}()),
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nav = (function () {
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var spec = {
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setActive: function setActive(url) {
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if (url === "/") {
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url = "/index.html";
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}
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// Initially set the active menuitem in the nav
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$('a.menuitem[href="' + url + '"]').closest('ul').find('li.active').removeClass('active');
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$('a.menuitem[href="' + url + '"]').closest('li').addClass('active');
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},
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toggleLoading: function toggleLoading() {
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$('#nav').toggleClass('loading');
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},
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loadingOff: function loadingOff() {
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$('#nav').removeClass('loading');
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},
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loadingOn: function loadingOn() {
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$('#nav').addClass('loading');
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}
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};
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router.onChange(function (url, dta) {
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nav.setActive(url);
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});
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router.beforeSend(function (url) {
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nav.toggleLoading();
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});
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$(document).ready(function () {
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$('#nav-menu a.menuitem').click(function () {
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$(this).closest('ul').find('li.active').removeClass('active');
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$(this).closest('li').addClass('active');
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});
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});
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return spec;
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}()),
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spec = {
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init: init,
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nav: nav,
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status: status
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};
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function appCacheUpdateReady () {
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window.applicationCache.swapCache();
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// TODO: find what resource is loaded currently and reload it if it has changed
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}
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function init() {
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window.addEventListener("updateready", appCacheUpdateReady);
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if (window.applicationCache.status === window.applicationCache.UPDATEREADY) {
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appCacheUpdateReady();
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}
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// TODO: deal with jsUrls function which is moved to the router
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$(document).ready(function () {
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// Add anchor click handlers for internal links
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router.jsUrls('#page-content a, #nav-menu a.menuitem');
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});
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}
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return spec;
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}());
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// Initialize routes
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router.route({ // Post pages handler
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acceptUrls: /posts\/.*\.html/,
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onSuccess: function (url, dta) {
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site.nav.setActive('/blog1.html');
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}
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});
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router.route({ // Tag pages handler
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acceptUrls: /tags\/.*(\d*)\.html/,
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onSuccess: function (url, dta) {
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site.nav.setActive('/blog1.html');
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}
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});
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router.route({ // Blog pages handler
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acceptUrls: /blog\d*\.html/
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});
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router.defaultRoute({ // Default page handler
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beforeSend: undefined,
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onSuccess: undefined,
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onError: undefined
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});
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router.beforeSend(function (url) {
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// Add .loading to #page-content and #nav to facilitate a loading animation
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$('#page-content').addClass('loading');
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});
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router.onSuccess(function (url, dta) {
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// Stop animations in the nav and page-content and scroll to the top of the page in a set amount of time
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setTimeout(function () {
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// Replace old page-content with new page-content
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$('#page-content').html(dta);
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// Add anchor click handlers for internal links in new content loaded into #page-content
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router.jsUrls('#page-content a');
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// Stop page loading
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$('#page-content, #nav').removeClass('loading');
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// Reload any new maths using MathJax
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$('#page-content .math').each(function (math_elem) {
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mj.Hub.Queue(["Typeset", mj.Hub, math_elem[0]]);
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});
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// Add fullscreen functionality to inline-images and figures
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$('article.post p > img').click(function () {
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$(this).get(0).toggleFullScreen();
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});
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$('figure').click(function () {
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$(this).children('img').get(0).toggleFullScreen();
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});
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// Scroll to top of the page
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if ($('body').scrollTop() > $('#nav').offset().top - 15) {
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$('html, body').animate({
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scrollTop: $('#nav').offset().top - 15
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}, 'fast');
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}
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}, 250);
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});
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router.onError(function (url, status) {
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/* Remove .loading from #page-content and #nav to stop the loading
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* animation. Finally, display an error message in #status.
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*/
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$('#page-content, #nav').removeClass('loading');
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// TODO: instead of immediately displaying error, check if the content is stored in local storage
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$('#status').prepend('<p class="message">Error retrieving page ' + url + '</p>');
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$('#status').addClass('error').slideDown();
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});
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site.init();
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})(jQuery, MathJax);
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// Modified from: https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode
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function toggleFullScreen() {
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if (!document.fullscreenElement && // alternative standard method
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!document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement ) { // current working methods
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if (document.documentElement.requestFullscreen) {
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this.requestFullscreen();
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} else if (document.documentElement.msRequestFullscreen) {
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this.msRequestFullscreen();
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} else if (document.documentElement.mozRequestFullScreen) {
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this.mozRequestFullScreen();
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} else if (document.documentElement.webkitRequestFullscreen) {
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this.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
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}
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} else {
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if (document.exitFullscreen) {
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document.exitFullscreen();
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} else if (document.msExitFullscreen) {
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document.msExitFullscreen();
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} else if (document.mozCancelFullScreen) {
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document.mozCancelFullScreen();
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} else if (document.webkitExitFullscreen) {
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document.webkitExitFullscreen();
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}
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}
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}
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Element.prototype.toggleFullScreen = toggleFullScreen;
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