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Commit b364f028 authored by Vadim Makeev's avatar Vadim Makeev
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Merge pull request #123 from miripiruni/master 

Fix for #99: Inner navigation should be also controlled by slide timing
parents 416f4094 1c0df234
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Showing with 344 additions and 144 deletions
shower.js
View file @ b364f028
......@@ -9,9 +9,164 @@ window.shower = window.shower || (function(window, document, undefined) {
body = document.body,
slides = [],
progress = [],
slideList = [],
timer,
isHistoryApiSupported = !!(window.history && history.pushState);
isHistoryApiSupported = !!(window.history && window.history.pushState);
/**
* Slide constructor
*
* @param {Object} opts
* @param {String} opts.id html id attribute or automaticaly assigned order number
* @param {Number} opts.number slide number
* @param {Boolean} opts.hasInnerNavigation
* @param {Number} [opts.timing]
* @param {Number} [opts.innerLength]
* @param {Number} [opts.innerComplete = 0]
* @constructor
*/
function Slide(opts) {
for (var prop in opts) {
if (opts.hasOwnProperty(prop)) {
this[prop] = opts[prop];
}
}
}
Slide.prototype = {
/**
* Get slide number.
* @returns {Number}
*/
getSlideNumber : function() {
return this.number;
},
isLast : function() {
return shower.slideList.length === this.number + 1
},
/**
* Check if inner navigation is finished
* @returns {boolean}
*/
isFinished : function() {
return this.innerComplete >= this.innerLength;
},
/**
* Start inner navigation by timer or just switch slide after timer.
* time sets in HTML: .slide[data-timing=MM:SS]
* @returns {Object} Current slide
*/
process : function(shower) {
if (this.timing) {
this.initTimer(shower);
return this;
}
this.next(shower);
return this;
},
/**
* Init timer for inner navigation or for just turn to next slide
* @param shower
* @returns {Object|Boolean} Current slide
*/
initTimer : function(shower) {
var slide = this;
if ( ! slide.timing) {
return false;
}
slide.stopTimer();
if (slide.isFinished()) {
timer = setInterval(function() {
slide.stopTimer();
shower.next();
},
slide.timing * (slide.innerLength || 1));
} else {
timer = setInterval(function() {
if (slide.isFinished()) {
slide.stopTimer();
shower.next();
} else {
slide.next(shower);
}
},
slide.timing);
}
return this;
},
/**
* Stop timer
*/
stopTimer : function() {
if (timer) {
clearInterval(timer);
timer = false;
}
return this;
},
/**
* Previous step of inner navigation or if current step is step 0 then go to previous slide.
* @returns {Object|Boolean} Current slide
*/
prev : function(shower) {
var prevSteps,
slide = this;
if ( ! slide.hasInnerNavigation || slide.isFinished() || slide.innerComplete === 0) {
shower.prev();
return false;
}
prevSteps = document.getElementById(slide.id).querySelectorAll('.next.active');
if ( ! prevSteps || prevSteps.length < 1) {
return false;
}
if (slide.innerComplete > 0) {
slide.innerComplete--;
prevSteps[prevSteps.length - 1].classList.remove('active');
} else {
shower.prev();
}
return this;
},
/**
* Next step of inner navigation or if current step is last then go to next slide.
* @returns {Object|Boolean} Current slide
*/
next : function(shower) {
var nextSteps,
slide = this;
if ( ! slide.hasInnerNavigation || slide.isFinished()) {
shower.next();
return false;
}
if ( ! slide.isFinished()) {
nextSteps = document.getElementById(slide.id).querySelectorAll('.next:not(.active)');
nextSteps[0].classList.add('active');
slide.innerComplete++;
}
return this;
}
};
/**
* Get value at named data store for the DOM element.
......@@ -24,19 +179,23 @@ window.shower = window.shower || (function(window, document, undefined) {
return element.dataset ? element.dataset[name] : element.getAttribute('data-' + name);
};
shower.slideList = [];
/**
* Init
* @param {String} slideSelector
* @param {String} progressBarSelector
* Shower initialization
* @param {String} [slideSelector]
* @param {String} [progressSelector]
* @returns {Object} shower
*/
shower.init = function(slideSelector, progressSelector) {
var timing;
slideSelector = slideSelector || '.slide';
progressSelector = progressSelector || 'div.progress div';
slides = document.querySelectorAll(slideSelector);
progress = document.querySelector(progressSelector);
slideList = [];
for (var i = 0; i < slides.length; i++) {
// Slide IDs are optional. In case of missing ID we set it to the
......@@ -45,16 +204,31 @@ window.shower = window.shower || (function(window, document, undefined) {
slides[i].id = i + 1;
}
slideList.push({
id: slides[i].id,
hasInnerNavigation: null !== slides[i].querySelector('.next'),
hasTiming: (shower._getData(slides[i], 'timing') && shower._getData(slides[i], 'timing').indexOf(':') !== -1)
});
timing = shower._getData(slides[i], 'timing');
if (timing && timing.indexOf(':') !== -1) {
timing = timing.split(':');
// Compute number of milliseconds from format "mm:ss"
timing = (parseInt(timing[0], 10) * 60 + parseInt(timing[1], 10)) * 1000;
if (slides[i].querySelector('.next')) {
timing = timing / (slides[i].querySelectorAll('.next').length + 1);
}
}
shower.slideList.push(new Slide({
id : slides[i].id,
number : i,
hasInnerNavigation : null !== slides[i].querySelector('.next'),
timing : parseInt(timing, 10) || undefined,
innerLength : slides[i].querySelectorAll('.next').length,
innerComplete : 0
}));
}
return shower;
};
/**
* Get slide scale value.
* @private
......@@ -75,11 +249,15 @@ window.shower = window.shower || (function(window, document, undefined) {
* @returns {Boolean}
*/
shower._applyTransform = function(transform) {
body.style.WebkitTransform = transform;
body.style.MozTransform = transform;
body.style.msTransform = transform;
body.style.OTransform = transform;
body.style.transform = transform;
[
'WebkitTransform',
'MozTransform',
'msTransform',
'OTransform',
'transform'
].forEach(function(prop) {
body.style[prop] = transform;
});
return true;
};
......@@ -109,8 +287,8 @@ window.shower = window.shower || (function(window, document, undefined) {
slideNumber = 0;
}
if (slideNumber >= slideList.length) {
slideNumber = slideList.length - 1;
if (slideNumber >= shower.slideList.length) {
slideNumber = shower.slideList.length - 1;
}
return slideNumber;
......@@ -119,7 +297,7 @@ window.shower = window.shower || (function(window, document, undefined) {
/**
* Get slide id from HTML element.
* @private
* @param {HTMLElement} el
* @param {Node} el
* @returns {String}
*/
shower._getSlideIdByEl = function(el) {
......@@ -137,7 +315,7 @@ window.shower = window.shower || (function(window, document, undefined) {
/**
* For touch devices: check if link is clicked.
*
* @TODO: add support for textareas/inputs/etc.
* @TODO: add support for textarea/input/etc.
*
* @private
* @param {HTMLElement} e
......@@ -149,11 +327,11 @@ window.shower = window.shower || (function(window, document, undefined) {
/**
* Get slide number by slideId.
* @param {String} slideId (HTML id or position in slideList)
* @param {String} slideId
* @returns {Number}
*/
shower.getSlideNumber = function(slideId) {
var i = slideList.length - 1,
var i = shower.slideList.length - 1,
slideNumber;
if (slideId === '') {
......@@ -163,7 +341,7 @@ window.shower = window.shower || (function(window, document, undefined) {
// As fast as you can ;-)
// http://jsperf.com/for-vs-foreach/46
for (; i >= 0; --i) {
if (slideId === slideList[i].id) {
if (slideId === shower.slideList[i].id) {
slideNumber = i;
break;
}
......@@ -176,13 +354,19 @@ window.shower = window.shower || (function(window, document, undefined) {
* Go to slide number.
* @param {Number} slideNumber slide number (sic!). Attention: starts from zero.
* @param {Function} [callback] runs only if you not in List mode.
* @returns {Number}
* @returns {Number|Boolean}
*/
shower.go = function(slideNumber, callback) {
var slide;
if ( ! shower._isNumber(slideNumber)) {
throw new Error('Gimme slide number as Number, baby!');
}
if ( ! shower.slideList[slideNumber]) {
return false;
}
// Also triggers popstate and invoke shower.enter__Mode()
url.hash = shower.getSlideHash(slideNumber);
......@@ -191,7 +375,10 @@ window.shower = window.shower || (function(window, document, undefined) {
if (shower.isSlideMode()) {
shower.showPresenterNotes(slideNumber);
shower.runInnerNavigation(slideNumber);
slide = shower.slideList[slideNumber];
if (slide.timing) {
slide.initTimer(shower);
}
}
if (typeof(callback) === 'function') {
......@@ -203,87 +390,125 @@ window.shower = window.shower || (function(window, document, undefined) {
/**
* Show next slide or show next Inner navigation item.
* Returns false on a last slide, otherwise returns shown slide number.
* Returns false on a last slide, otherwise returns shower.
* @param {Function} [callback] runs only if shower.next() is successfully completed.
* @returns {Number|Boolean}
* @returns {Boolean}
*/
shower.next = function(callback) {
var currentSlideNumber = shower.getCurrentSlideNumber(),
ret = false;
nextSlide = shower.slideList[currentSlideNumber + 1];
// If don't exist next slide
if (! nextSlide) {
return false;
}
// Only go to next slide if current slide have no inner
// navigation or inner navigation is fully shown
// NOTE: But first of all check if there is no current slide
if (
(
-1 === currentSlideNumber ||
! slideList[currentSlideNumber].hasInnerNavigation ||
! shower.increaseInnerNavigation(currentSlideNumber)
) &&
// If exist next slide
(currentSlideNumber + 2) <= slideList.length
) {
shower.go(currentSlideNumber + 1);
// Slides starts from 0. So return next slide number.
ret = currentSlideNumber + 2;
if (typeof(callback) === 'function') {
callback();
}
return this;
};
/**
*
* @param {Function} [callback]
*/
shower._turnNextSlide = function(callback) {
var currentSlideNumber = shower.getCurrentSlideNumber(),
slide = shower.slideList[currentSlideNumber];
if (shower.isSlideMode()) {
shower.runInnerNavigation(currentSlideNumber + 1);
slide.stopTimer();
slide.next(shower);
} else {
shower.go(currentSlideNumber + 1);
}
if (typeof(callback) === 'function') {
callback();
}
return ret;
return;
};
/**
* Show previous slide. Returns false on a first slide, otherwise returns shown slide number.
* @param {Function} [callback] runs only if shower.previous() is successfully completed.
* @returns {Number|Boolean}
* @returns {Boolean}
*/
shower.previous = function(callback) {
var currentSlideNumber = shower.getCurrentSlideNumber(),
ret = false;
shower.prev = shower.previous = function(callback) {
var currentSlideNumber = shower.getCurrentSlideNumber();
// Slides starts from 0
if (currentSlideNumber < 1) {
return false;
}
// slides starts from 0
if (currentSlideNumber > 0) {
ret = currentSlideNumber;
shower.go(currentSlideNumber - 1);
if (typeof(callback) === 'function') {
callback();
}
return true;
};
/**
* Show previous slide. Returns false on a first slide, otherwise returns shown slide number.
* @param {Function} [callback] runs only if shower.previous() is successfully completed.
* @returns {Boolean}
*/
shower._turnPreviousSlide = function(callback) {
var currentSlideNumber = shower.getCurrentSlideNumber(),
slide = shower.slideList[currentSlideNumber];
slide.stopTimer();
if (shower.isSlideMode()) {
slide.prev(shower);
} else {
shower.go(currentSlideNumber - 1);
}
return ret;
if (typeof(callback) === 'function') {
callback();
}
return true;
};
/**
* Show first slide.
* @param {Function} [callback]
* @returns {Number}
*/
shower.first = function(callback) {
var slide = shower.slideList[shower.getCurrentSlideNumber()];
slide.timing && slide.stopTimer();
shower.go(0);
if (typeof(callback) === 'function') {
callback();
}
return shower.go(0);
};
/**
* Show last slide.
* @param {Function} [callback]
* @returns {Number}
*/
shower.last = function(callback) {
var slide = shower.slideList[shower.getCurrentSlideNumber()];
slide.timing && slide.stopTimer();
shower.go(shower.slideList.length - 1);
if (typeof(callback) === 'function') {
callback();
}
return shower.go(slideList.length - 1);
};
/**
......@@ -318,6 +543,8 @@ window.shower = window.shower || (function(window, document, undefined) {
* @returns {Boolean}
*/
shower.enterListMode = function(callback) {
var currentSlideNumber;
// Anyway: change body class (@TODO: refactoring)
body.classList.remove('full');
body.classList.add('list');
......@@ -328,9 +555,9 @@ window.shower = window.shower || (function(window, document, undefined) {
return false;
}
var currentSlideNumber = shower.getCurrentSlideNumber();
currentSlideNumber = shower.getCurrentSlideNumber();
clearTimeout(timer);
shower.slideList[currentSlideNumber].stopTimer();
if (shower.isSlideMode() && isHistoryApiSupported) {
history.pushState(null, null, url.pathname + shower.getSlideHash(currentSlideNumber));
......@@ -371,13 +598,13 @@ window.shower = window.shower || (function(window, document, undefined) {
* @returns {Number}
*/
shower.getCurrentSlideNumber = function() {
var i = slideList.length - 1,
var i = shower.slideList.length - 1,
currentSlideId = url.hash.substr(1);
// As fast as you can ;-)
// http://jsperf.com/for-vs-foreach/46
for (; i >= 0; --i) {
if (currentSlideId === slideList[i].id) {
if (currentSlideId === shower.slideList[i].id) {
return i;
}
}
......@@ -407,8 +634,8 @@ window.shower = window.shower || (function(window, document, undefined) {
return ret;
}
if (slideList[slideNumber]) {
currentSlide = document.getElementById(slideList[slideNumber].id);
if (shower.slideList[slideNumber]) {
currentSlide = document.getElementById(shower.slideList[slideNumber].id);
window.scrollTo(0, currentSlide.offsetTop);
ret = true;
} else {
......@@ -449,7 +676,7 @@ window.shower = window.shower || (function(window, document, undefined) {
throw new Error('Gimme slide number as Number, baby!');
}
progress.style.width = (100 / (slideList.length - 1) * shower._normalizeSlideNumber(slideNumber)).toFixed(2) + '%';
progress.style.width = (100 / (shower.slideList.length - 1) * shower._normalizeSlideNumber(slideNumber)).toFixed(2) + '%';
return true;
};
......@@ -462,7 +689,7 @@ window.shower = window.shower || (function(window, document, undefined) {
shower.updateActiveAndVisitedSlides = function(slideNumber) {
var i,
slide,
l = slideList.length;
l = shower.slideList.length;
slideNumber = shower._normalizeSlideNumber(slideNumber);
......@@ -471,7 +698,7 @@ window.shower = window.shower || (function(window, document, undefined) {
}
for (i = 0; i < l; ++i) {
slide = document.getElementById(slideList[i].id);
slide = document.getElementById(shower.slideList[i].id);
if (i < slideNumber) {
slide.classList.remove('active');
......@@ -507,8 +734,8 @@ window.shower = window.shower || (function(window, document, undefined) {
if (window.console) {
slideNumber = shower._normalizeSlideNumber(slideNumber);
var slideId = slideList[slideNumber].id,
nextSlideId = slideList[slideNumber + 1] ? slideList[slideNumber + 1].id : null,
var slideId = shower.slideList[slideNumber].id,
nextSlideId = shower.slideList[slideNumber + 1] ? shower.slideList[slideNumber + 1].id : null,
notes = document.getElementById(slideId).querySelector('footer');
if (notes && notes.innerHTML) {
......@@ -539,63 +766,7 @@ window.shower = window.shower || (function(window, document, undefined) {
slideNumber = shower._normalizeSlideNumber(slideNumber);
return '#' + slideList[slideNumber].id;
};
/**
* Run slide show if presented.
* @param {Number} slideNumber
* @returns {Boolean}
*/
shower.runInnerNavigation = function(slideNumber) {
if ( ! shower._isNumber(slideNumber)) {
throw new Error('Gimme slide number as Number, baby!');
}
slideNumber = shower._normalizeSlideNumber(slideNumber);
clearTimeout(timer);
if (slideList[slideNumber].hasTiming) {
// Compute number of milliseconds from format "X:Y", where X is
// number of minutes, and Y is number of seconds
var timing = shower._getData(document.getElementById(slideList[slideNumber].id), 'timing').split(':');
timing = parseInt(timing[0], 10) * 60 * 1000 + parseInt(timing[1], 10) * 1000;
timer = setTimeout(function() {
shower.next();
},
timing);
}
return true;
};
/**
* Increases inner navigation by adding 'active' class to next inactive inner navigation item
* @param {Number} slideNumber
* @returns {Boolean}
*/
shower.increaseInnerNavigation = function(slideNumber) {
var nextNodes,
node;
if ( ! shower._isNumber(slideNumber)) {
throw new Error('Gimme slide number as Number, baby!');
}
// If inner navigation in this slide
if (slideList[slideNumber].hasInnerNavigation) {
nextNodes = document.getElementById(slideList[slideNumber].id).querySelectorAll('.next:not(.active)');
if (0 !== nextNodes.length) {
node = nextNodes[0];
node.classList.add('active');
return true;
}
}
return false;
return '#' + shower.slideList[slideNumber].id;
};
// Event handlers
......@@ -622,24 +793,31 @@ window.shower = window.shower || (function(window, document, undefined) {
}, false);
document.addEventListener('keydown', function(e) {
var currentSlideNumber,
slide;
// Shortcut for alt, ctrl and meta keys
if (e.altKey || e.ctrlKey || e.metaKey) { return; }
var currentSlideNumber = shower.getCurrentSlideNumber(),
isInnerNavCompleted = true;
currentSlideNumber = shower.getCurrentSlideNumber();
slide = shower.slideList[currentSlideNumber];
switch (e.which) {
case 116: // F5
e.preventDefault();
if (shower.isListMode()) {
var slideNumber = e.shiftKey ? currentSlideNumber : 0;
var slideNumber = e.shiftKey ? currentSlideNumber : 0,
slide;
// Warning: go must be before enterSlideMode.
// Otherwise there is a bug in Chrome
shower.go(slideNumber);
shower.enterSlideMode();
shower.showPresenterNotes(slideNumber);
slide = shower.slideList[currentSlideNumber];
slide.timing && slide.initTimer(shower);
} else {
shower.enterListMode();
}
......@@ -650,7 +828,10 @@ window.shower = window.shower || (function(window, document, undefined) {
e.preventDefault();
shower.enterSlideMode();
shower.showPresenterNotes(currentSlideNumber);
shower.runInnerNavigation(currentSlideNumber);
if (slide.timing) {
slide.initTimer(shower);
}
}
break;
......@@ -667,7 +848,7 @@ window.shower = window.shower || (function(window, document, undefined) {
case 72: // H
case 75: // K
e.preventDefault();
shower.previous();
shower._turnPreviousSlide();
break;
case 34: // PgDown
......@@ -676,7 +857,7 @@ window.shower = window.shower || (function(window, document, undefined) {
case 76: // L
case 74: // J
e.preventDefault();
shower.next();
shower._turnNextSlide();
break;
case 36: // Home
......@@ -686,13 +867,14 @@ window.shower = window.shower || (function(window, document, undefined) {
case 35: // End
e.preventDefault();
shower.last();
break;
case 9: // Tab = +1; Shift + Tab = -1
case 32: // Space = +1; Shift + Space = -1
e.preventDefault();
shower[e.shiftKey ? 'previous' : 'next']();
shower[e.shiftKey ? '_turnPreviousSlide' : '_turnNextSlide']();
break;
default:
......@@ -703,7 +885,8 @@ window.shower = window.shower || (function(window, document, undefined) {
shower.init();
document.addEventListener('click', function(e) {
var slideNumber = shower.getSlideNumber(shower._getSlideIdByEl(e.target));
var slideNumber = shower.getSlideNumber(shower._getSlideIdByEl(e.target)),
slide;
// Click on slide in List mode
if (shower.isListMode() && shower._getSlideIdByEl(e.target)) {
......@@ -712,24 +895,41 @@ window.shower = window.shower || (function(window, document, undefined) {
shower.go(slideNumber);
shower.enterSlideMode();
shower.showPresenterNotes(slideNumber);
slide = shower.slideList[slideNumber];
if (slide.timing) {
slide.initTimer(shower);
}
}
}, false);
document.addEventListener('touchstart', function(e) {
var slideNumber = shower.getSlideNumber(shower._getSlideIdByEl(e.target)),
slide,
x;
if (shower._getSlideIdByEl(e.target)) {
if (shower.isSlideMode() && ! shower._checkInteractiveElement(e)) {
var x = e.touches[0].pageX;
x = e.touches[0].pageX;
if (x > window.innerWidth / 2) {
shower.next();
shower._turnNextSlide();
} else {
shower.previous();
shower._turnPreviousSlide();
}
}
if (shower.isListMode()) {
// Warning: go must be before enterSlideMode.
// Otherwise there is a bug in Chrome
shower.go(shower.getSlideNumber(shower._getSlideIdByEl(e.target)));
shower.enterSlideMode();
shower.showPresenterNotes(slideNumber);
slide = shower.slideList[slideNumber];
if (slide.timing) {
slide.initTimer(shower);
}
}
}
......
shower.min.js
View file @ b364f028
......@@ -3,4 +3,4 @@
* @copyright 2010–2013 Vadim Makeev, pepelsbey.net
* @license MIT license: github.com/shower/shower/wiki/MIT-License
*/
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