+++ /dev/null
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-var PERMANENT_URL_PREFIX = '/static/';
-
-var SLIDE_CLASSES = ['far-past', 'past', 'current', 'next', 'far-next'];
-
-var PM_TOUCH_SENSITIVITY = 15;
-
-var curSlide;
-
-/* ---------------------------------------------------------------------- */
-/* classList polyfill by Eli Grey
- * (http://purl.eligrey.com/github/classList.js/blob/master/classList.js) */
-
-if (
- typeof document !== 'undefined' &&
- !('classList' in document.createElement('a'))
-) {
- (function(view) {
- var classListProp = 'classList',
- protoProp = 'prototype',
- elemCtrProto = (view.HTMLElement || view.Element)[protoProp],
- objCtr = Object;
- (strTrim =
- String[protoProp].trim ||
- function() {
- return this.replace(/^\s+|\s+$/g, '');
- }),
- (arrIndexOf =
- Array[protoProp].indexOf ||
- function(item) {
- for (var i = 0, len = this.length; i < len; i++) {
- if (i in this && this[i] === item) {
- return i;
- }
- }
- return -1;
- }),
- // Vendors: please allow content code to instantiate DOMExceptions
- (DOMEx = function(type, message) {
- this.name = type;
- this.code = DOMException[type];
- this.message = message;
- }),
- (checkTokenAndGetIndex = function(classList, token) {
- if (token === '') {
- throw new DOMEx(
- 'SYNTAX_ERR',
- 'An invalid or illegal string was specified'
- );
- }
- if (/\s/.test(token)) {
- throw new DOMEx(
- 'INVALID_CHARACTER_ERR',
- 'String contains an invalid character'
- );
- }
- return arrIndexOf.call(classList, token);
- }),
- (ClassList = function(elem) {
- var trimmedClasses = strTrim.call(elem.className),
- classes = trimmedClasses ? trimmedClasses.split(/\s+/) : [];
- for (var i = 0, len = classes.length; i < len; i++) {
- this.push(classes[i]);
- }
- this._updateClassName = function() {
- elem.className = this.toString();
- };
- }),
- (classListProto = ClassList[protoProp] = []),
- (classListGetter = function() {
- return new ClassList(this);
- });
- // Most DOMException implementations don't allow calling DOMException's toString()
- // on non-DOMExceptions. Error's toString() is sufficient here.
- DOMEx[protoProp] = Error[protoProp];
- classListProto.item = function(i) {
- return this[i] || null;
- };
- classListProto.contains = function(token) {
- token += '';
- return checkTokenAndGetIndex(this, token) !== -1;
- };
- classListProto.add = function(token) {
- token += '';
- if (checkTokenAndGetIndex(this, token) === -1) {
- this.push(token);
- this._updateClassName();
- }
- };
- classListProto.remove = function(token) {
- token += '';
- var index = checkTokenAndGetIndex(this, token);
- if (index !== -1) {
- this.splice(index, 1);
- this._updateClassName();
- }
- };
- classListProto.toggle = function(token) {
- token += '';
- if (checkTokenAndGetIndex(this, token) === -1) {
- this.add(token);
- } else {
- this.remove(token);
- }
- };
- classListProto.toString = function() {
- return this.join(' ');
- };
-
- if (objCtr.defineProperty) {
- var classListPropDesc = {
- get: classListGetter,
- enumerable: true,
- configurable: true,
- };
- try {
- objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
- } catch (ex) {
- // IE 8 doesn't support enumerable:true
- if (ex.number === -0x7ff5ec54) {
- classListPropDesc.enumerable = false;
- objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
- }
- }
- } else if (objCtr[protoProp].__defineGetter__) {
- elemCtrProto.__defineGetter__(classListProp, classListGetter);
- }
- })(self);
-}
-/* ---------------------------------------------------------------------- */
-
-/* Slide movement */
-
-function hideHelpText() {
- document.getElementById('help').style.display = 'none';
-}
-
-function getSlideEl(no) {
- if (no < 0 || no >= slideEls.length) {
- return null;
- } else {
- return slideEls[no];
- }
-}
-
-function updateSlideClass(slideNo, className) {
- var el = getSlideEl(slideNo);
-
- if (!el) {
- return;
- }
-
- if (className) {
- el.classList.add(className);
- }
-
- for (var i in SLIDE_CLASSES) {
- if (className != SLIDE_CLASSES[i]) {
- el.classList.remove(SLIDE_CLASSES[i]);
- }
- }
-}
-
-function updateSlides() {
- if (window.trackPageview) window.trackPageview();
-
- for (var i = 0; i < slideEls.length; i++) {
- switch (i) {
- case curSlide - 2:
- updateSlideClass(i, 'far-past');
- break;
- case curSlide - 1:
- updateSlideClass(i, 'past');
- break;
- case curSlide:
- updateSlideClass(i, 'current');
- break;
- case curSlide + 1:
- updateSlideClass(i, 'next');
- break;
- case curSlide + 2:
- updateSlideClass(i, 'far-next');
- break;
- default:
- updateSlideClass(i);
- break;
- }
- }
-
- triggerLeaveEvent(curSlide - 1);
- triggerEnterEvent(curSlide);
-
- window.setTimeout(function() {
- // Hide after the slide
- disableSlideFrames(curSlide - 2);
- }, 301);
-
- enableSlideFrames(curSlide - 1);
- enableSlideFrames(curSlide + 2);
-
- updateHash();
-}
-
-function prevSlide() {
- hideHelpText();
- if (curSlide > 0) {
- curSlide--;
-
- updateSlides();
- }
-
- if (notesEnabled) localStorage.setItem(destSlideKey(), curSlide);
-}
-
-function nextSlide() {
- hideHelpText();
- if (curSlide < slideEls.length - 1) {
- curSlide++;
-
- updateSlides();
- }
-
- if (notesEnabled) localStorage.setItem(destSlideKey(), curSlide);
-}
-
-/* Slide events */
-
-function triggerEnterEvent(no) {
- var el = getSlideEl(no);
- if (!el) {
- return;
- }
-
- var onEnter = el.getAttribute('onslideenter');
- if (onEnter) {
- new Function(onEnter).call(el);
- }
-
- var evt = document.createEvent('Event');
- evt.initEvent('slideenter', true, true);
- evt.slideNumber = no + 1; // Make it readable
-
- el.dispatchEvent(evt);
-}
-
-function triggerLeaveEvent(no) {
- var el = getSlideEl(no);
- if (!el) {
- return;
- }
-
- var onLeave = el.getAttribute('onslideleave');
- if (onLeave) {
- new Function(onLeave).call(el);
- }
-
- var evt = document.createEvent('Event');
- evt.initEvent('slideleave', true, true);
- evt.slideNumber = no + 1; // Make it readable
-
- el.dispatchEvent(evt);
-}
-
-/* Touch events */
-
-function handleTouchStart(event) {
- if (event.touches.length == 1) {
- touchDX = 0;
- touchDY = 0;
-
- touchStartX = event.touches[0].pageX;
- touchStartY = event.touches[0].pageY;
-
- document.body.addEventListener('touchmove', handleTouchMove, true);
- document.body.addEventListener('touchend', handleTouchEnd, true);
- }
-}
-
-function handleTouchMove(event) {
- if (event.touches.length > 1) {
- cancelTouch();
- } else {
- touchDX = event.touches[0].pageX - touchStartX;
- touchDY = event.touches[0].pageY - touchStartY;
- event.preventDefault();
- }
-}
-
-function handleTouchEnd(event) {
- var dx = Math.abs(touchDX);
- var dy = Math.abs(touchDY);
-
- if (dx > PM_TOUCH_SENSITIVITY && dy < (dx * 2) / 3) {
- if (touchDX > 0) {
- prevSlide();
- } else {
- nextSlide();
- }
- }
-
- cancelTouch();
-}
-
-function cancelTouch() {
- document.body.removeEventListener('touchmove', handleTouchMove, true);
- document.body.removeEventListener('touchend', handleTouchEnd, true);
-}
-
-/* Preloading frames */
-
-function disableSlideFrames(no) {
- var el = getSlideEl(no);
- if (!el) {
- return;
- }
-
- var frames = el.getElementsByTagName('iframe');
- for (var i = 0, frame; (frame = frames[i]); i++) {
- disableFrame(frame);
- }
-}
-
-function enableSlideFrames(no) {
- var el = getSlideEl(no);
- if (!el) {
- return;
- }
-
- var frames = el.getElementsByTagName('iframe');
- for (var i = 0, frame; (frame = frames[i]); i++) {
- enableFrame(frame);
- }
-}
-
-function disableFrame(frame) {
- frame.src = 'about:blank';
-}
-
-function enableFrame(frame) {
- var src = frame._src;
-
- if (frame.src != src && src != 'about:blank') {
- frame.src = src;
- }
-}
-
-function setupFrames() {
- var frames = document.querySelectorAll('iframe');
- for (var i = 0, frame; (frame = frames[i]); i++) {
- frame._src = frame.src;
- disableFrame(frame);
- }
-
- enableSlideFrames(curSlide);
- enableSlideFrames(curSlide + 1);
- enableSlideFrames(curSlide + 2);
-}
-
-function setupInteraction() {
- /* Clicking and tapping */
-
- var el = document.createElement('div');
- el.className = 'slide-area';
- el.id = 'prev-slide-area';
- el.addEventListener('click', prevSlide, false);
- document.querySelector('section.slides').appendChild(el);
-
- var el = document.createElement('div');
- el.className = 'slide-area';
- el.id = 'next-slide-area';
- el.addEventListener('click', nextSlide, false);
- document.querySelector('section.slides').appendChild(el);
-
- /* Swiping */
-
- document.body.addEventListener('touchstart', handleTouchStart, false);
-}
-
-/* Hash functions */
-
-function getCurSlideFromHash() {
- var slideNo = parseInt(location.hash.substr(1));
-
- if (slideNo) {
- curSlide = slideNo - 1;
- } else {
- curSlide = 0;
- }
-}
-
-function updateHash() {
- location.replace('#' + (curSlide + 1));
-}
-
-/* Event listeners */
-
-function handleBodyKeyDown(event) {
- // If we're in a code element, only handle pgup/down.
- var inCode = event.target.classList.contains('code');
-
- switch (event.keyCode) {
- case 78: // 'N' opens presenter notes window
- if (!inCode && notesEnabled) toggleNotesWindow();
- break;
- case 72: // 'H' hides the help text
- case 27: // escape key
- if (!inCode) hideHelpText();
- break;
-
- case 39: // right arrow
- case 13: // Enter
- case 32: // space
- if (inCode) break;
- case 34: // PgDn
- nextSlide();
- event.preventDefault();
- break;
-
- case 37: // left arrow
- case 8: // Backspace
- if (inCode) break;
- case 33: // PgUp
- prevSlide();
- event.preventDefault();
- break;
-
- case 40: // down arrow
- if (inCode) break;
- nextSlide();
- event.preventDefault();
- break;
-
- case 38: // up arrow
- if (inCode) break;
- prevSlide();
- event.preventDefault();
- break;
- }
-}
-
-function scaleSmallViewports() {
- var el = document.querySelector('section.slides');
- var transform = '';
- var sWidthPx = 1250;
- var sHeightPx = 750;
- var sAspectRatio = sWidthPx / sHeightPx;
- var wAspectRatio = window.innerWidth / window.innerHeight;
-
- if (wAspectRatio <= sAspectRatio && window.innerWidth < sWidthPx) {
- transform = 'scale(' + window.innerWidth / sWidthPx + ')';
- } else if (window.innerHeight < sHeightPx) {
- transform = 'scale(' + window.innerHeight / sHeightPx + ')';
- }
- el.style.transform = transform;
-}
-
-function addEventListeners() {
- document.addEventListener('keydown', handleBodyKeyDown, false);
- var resizeTimeout;
- window.addEventListener('resize', function() {
- // throttle resize events
- window.clearTimeout(resizeTimeout);
- resizeTimeout = window.setTimeout(function() {
- resizeTimeout = null;
- scaleSmallViewports();
- }, 50);
- });
-
- // Force reset transform property of section.slides when printing page.
- // Use both onbeforeprint and matchMedia for compatibility with different browsers.
- var beforePrint = function() {
- var el = document.querySelector('section.slides');
- el.style.transform = '';
- };
- window.onbeforeprint = beforePrint;
- if (window.matchMedia) {
- var mediaQueryList = window.matchMedia('print');
- mediaQueryList.addListener(function(mql) {
- if (mql.matches) beforePrint();
- });
- }
-}
-
-/* Initialization */
-
-function addFontStyle() {
- var el = document.createElement('link');
- el.rel = 'stylesheet';
- el.type = 'text/css';
- el.href =
- '//fonts.googleapis.com/css?family=' +
- 'Open+Sans:regular,semibold,italic,italicsemibold|Droid+Sans+Mono';
-
- document.body.appendChild(el);
-}
-
-function addGeneralStyle() {
- var el = document.createElement('link');
- el.rel = 'stylesheet';
- el.type = 'text/css';
- el.href = PERMANENT_URL_PREFIX + 'styles.css';
- document.body.appendChild(el);
-
- var el = document.createElement('meta');
- el.name = 'viewport';
- el.content = 'width=device-width,height=device-height,initial-scale=1';
- document.querySelector('head').appendChild(el);
-
- var el = document.createElement('meta');
- el.name = 'apple-mobile-web-app-capable';
- el.content = 'yes';
- document.querySelector('head').appendChild(el);
-
- scaleSmallViewports();
-}
-
-function handleDomLoaded() {
- slideEls = document.querySelectorAll('section.slides > article');
-
- setupFrames();
-
- addFontStyle();
- addGeneralStyle();
- addEventListeners();
-
- updateSlides();
-
- setupInteraction();
-
- if (
- window.location.hostname == 'localhost' ||
- window.location.hostname == '127.0.0.1' ||
- window.location.hostname == '::1'
- ) {
- hideHelpText();
- }
-
- document.body.classList.add('loaded');
-
- setupNotesSync();
-}
-
-function initialize() {
- getCurSlideFromHash();
-
- if (window['_DEBUG']) {
- PERMANENT_URL_PREFIX = '../';
- }
-
- if (window['_DCL']) {
- handleDomLoaded();
- } else {
- document.addEventListener('DOMContentLoaded', handleDomLoaded, false);
- }
-}
-
-// If ?debug exists then load the script relative instead of absolute
-if (!window['_DEBUG'] && document.location.href.indexOf('?debug') !== -1) {
- document.addEventListener(
- 'DOMContentLoaded',
- function() {
- // Avoid missing the DomContentLoaded event
- window['_DCL'] = true;
- },
- false
- );
-
- window['_DEBUG'] = true;
- var script = document.createElement('script');
- script.type = 'text/javascript';
- script.src = '../slides.js';
- var s = document.getElementsByTagName('script')[0];
- s.parentNode.insertBefore(script, s);
-
- // Remove this script
- s.parentNode.removeChild(s);
-} else {
- initialize();
-}
-
-/* Synchronize windows when notes are enabled */
-
-function setupNotesSync() {
- if (!notesEnabled) return;
-
- function setupPlayResizeSync() {
- var out = document.getElementsByClassName('output');
- for (var i = 0; i < out.length; i++) {
- $(out[i]).bind('resize', function(event) {
- if ($(event.target).hasClass('ui-resizable')) {
- localStorage.setItem('play-index', i);
- localStorage.setItem('output-style', out[i].style.cssText);
- }
- });
- }
- }
- function setupPlayCodeSync() {
- var play = document.querySelectorAll('div.playground');
- for (var i = 0; i < play.length; i++) {
- play[i].addEventListener('input', inputHandler, false);
-
- function inputHandler(e) {
- localStorage.setItem('play-index', i);
- localStorage.setItem('play-code', e.target.innerHTML);
- }
- }
- }
-
- setupPlayCodeSync();
- setupPlayResizeSync();
- localStorage.setItem(destSlideKey(), curSlide);
- window.addEventListener('storage', updateOtherWindow, false);
-}
-
-// An update to local storage is caught only by the other window
-// The triggering window does not handle any sync actions
-function updateOtherWindow(e) {
- // Ignore remove storage events which are not meant to update the other window
- var isRemoveStorageEvent = !e.newValue;
- if (isRemoveStorageEvent) return;
-
- var destSlide = localStorage.getItem(destSlideKey());
- while (destSlide > curSlide) {
- nextSlide();
- }
- while (destSlide < curSlide) {
- prevSlide();
- }
-
- updatePlay(e);
- updateNotes();
-}
projects / dotfiles / .git / blobdiff