--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/presen/slides.js	Thu Dec 20 16:29:59 2012 +0900
@@ -0,0 +1,635 @@
+/*
+  Google HTML5 slides template
+
+  Authors: Luke Mahé (code)
+           Marcin Wichary (code and design)
+
+           Dominic Mazzoni (browser compatibility)
+           Charles Chen (ChromeVox support)
+
+  URL: http://code.google.com/p/html5slides/
+
+
+var PERMANENT_URL_PREFIX = 'http://html5slides.googlecode.com/svn/trunk/';
+*/
+var PERMANENT_URL_PREFIX = './';
+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 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() {
+  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);
+  
+  if (isChromeVoxActive()) {
+    speakAndSyncToNode(slideEls[curSlide]);
+  }  
+
+  updateHash();
+};
+
+function buildNextItem() {
+  var toBuild  = slideEls[curSlide].querySelectorAll('.to-build');
+
+  if (!toBuild.length) {
+    return false;
+  }
+
+  toBuild[0].classList.remove('to-build', '');
+
+  if (isChromeVoxActive()) {
+    speakAndSyncToNode(toBuild[0]);
+  }
+
+  return true;
+};
+
+function prevSlide() {
+  if (curSlide > 0) {
+    curSlide--;
+
+    updateSlides();
+  }
+};
+
+function nextSlide() {
+  if (buildNextItem()) {
+    return;
+  }
+
+  if (curSlide < slideEls.length - 1) {
+    curSlide++;
+
+    updateSlides();
+  }
+};
+
+/* 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;
+  }
+};
+
+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);
+}
+
+/* ChromeVox support */
+
+function isChromeVoxActive() {
+  if (typeof(cvox) == 'undefined') {
+    return false;
+  } else {
+    return true;
+  }
+};
+
+function speakAndSyncToNode(node) {
+  if (!isChromeVoxActive()) {
+    return;
+  }
+  
+  cvox.ChromeVox.navigationManager.switchToStrategy(
+      cvox.ChromeVoxNavigationManager.STRATEGIES.LINEARDOM, 0, true);  
+  cvox.ChromeVox.navigationManager.syncToNode(node);
+  cvox.ChromeVoxUserCommands.finishNavCommand('');
+  var target = node;
+  while (target.firstChild) {
+    target = target.firstChild;
+  }
+  cvox.ChromeVox.navigationManager.syncToNode(target);
+};
+
+function speakNextItem() {
+  if (!isChromeVoxActive()) {
+    return;
+  }
+  
+  cvox.ChromeVox.navigationManager.switchToStrategy(
+      cvox.ChromeVoxNavigationManager.STRATEGIES.LINEARDOM, 0, true);
+  cvox.ChromeVox.navigationManager.next(true);
+  if (!cvox.DomUtil.isDescendantOfNode(
+      cvox.ChromeVox.navigationManager.getCurrentNode(), slideEls[curSlide])){
+    var target = slideEls[curSlide];
+    while (target.firstChild) {
+      target = target.firstChild;
+    }
+    cvox.ChromeVox.navigationManager.syncToNode(target);
+    cvox.ChromeVox.navigationManager.next(true);
+  }
+  cvox.ChromeVoxUserCommands.finishNavCommand('');
+};
+
+function speakPrevItem() {
+  if (!isChromeVoxActive()) {
+    return;
+  }
+  
+  cvox.ChromeVox.navigationManager.switchToStrategy(
+      cvox.ChromeVoxNavigationManager.STRATEGIES.LINEARDOM, 0, true);
+  cvox.ChromeVox.navigationManager.previous(true);
+  if (!cvox.DomUtil.isDescendantOfNode(
+      cvox.ChromeVox.navigationManager.getCurrentNode(), slideEls[curSlide])){
+    var target = slideEls[curSlide];
+    while (target.lastChild){
+      target = target.lastChild;
+    }
+    cvox.ChromeVox.navigationManager.syncToNode(target);
+    cvox.ChromeVox.navigationManager.previous(true);
+  }
+  cvox.ChromeVoxUserCommands.finishNavCommand('');
+};
+
+/* 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) {
+  switch (event.keyCode) {
+    case 39: // right arrow
+    case 13: // Enter
+    case 32: // space
+    case 34: // PgDn
+      nextSlide();
+      event.preventDefault();
+      break;
+
+    case 37: // left arrow
+    case 8: // Backspace
+    case 33: // PgUp
+      prevSlide();
+      event.preventDefault();
+      break;
+
+    case 40: // down arrow
+      if (isChromeVoxActive()) {
+        speakNextItem();
+      } else {
+        nextSlide();
+      }
+      event.preventDefault();
+      break;
+
+    case 38: // up arrow
+      if (isChromeVoxActive()) {
+        speakPrevItem();
+      } else {
+        prevSlide();
+      }
+      event.preventDefault();
+      break;
+  }
+};
+
+function addEventListeners() {
+  document.addEventListener('keydown', handleBodyKeyDown, false);  
+};
+
+/* Initialization */
+
+function addPrettify() {
+  var els = document.querySelectorAll('pre');
+  for (var i = 0, el; el = els[i]; i++) {
+    if (!el.classList.contains('noprettyprint')) {
+      el.classList.add('prettyprint');
+    }
+  }
+  
+  var el = document.createElement('script');
+  el.type = 'text/javascript';
+  el.src = PERMANENT_URL_PREFIX + 'prettify.js';
+  el.onload = function() {
+    prettyPrint();
+  }
+  document.body.appendChild(el);
+};
+
+function addFontStyle() {
+  var el = document.createElement('link');
+  el.rel = 'stylesheet';
+  el.type = 'text/css';
+  el.href = 'http://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=1100,height=750';
+  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);
+};
+
+function makeBuildLists() {
+  for (var i = curSlide, slide; slide = slideEls[i]; i++) {
+    var items = slide.querySelectorAll('.build > *');
+    for (var j = 0, item; item = items[j]; j++) {
+      if (item.classList) {
+        item.classList.add('to-build');
+      }
+    }
+  }
+};
+
+function handleDomLoaded() {
+  slideEls = document.querySelectorAll('section.slides > article');
+
+  setupFrames();
+
+  addFontStyle();
+  addGeneralStyle();
+  addPrettify();
+  addEventListeners();
+
+  updateSlides();
+
+  setupInteraction();
+  makeBuildLists();
+
+  document.body.classList.add('loaded');
+};
+
+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();
+}