/* Detect-zoom
* -----------
* Cross Browser Zoom and Pixel Ratio Detector
* Version 1.0.4 | Apr 1 2013
* dual-licensed under the WTFPL and MIT license
* Maintained by https://github/tombigel
* Original developer https://github.com/yonran
*/
//AMD and CommonJS initialization copied from https://github.com/zohararad/audio5js
(function (root, ns, factory) {
"use strict";
if (typeof (module) !== 'undefined' && module.exports) { // CommonJS
module.exports = factory(ns, root);
} else if (typeof (define) === 'function' && define.amd) { // AMD
define("factory", function () {
return factory(ns, root);
});
} else {
root[ns] = factory(ns, root);
}
}(window, 'detectZoom', function () {
/**
* Use devicePixelRatio if supported by the browser
* @return {Number}
* @private
*/
var devicePixelRatio = function () {
return window.devicePixelRatio || 1;
};
/**
* Fallback function to set default values
* @return {Object}
* @private
*/
var fallback = function () {
return {
zoom: 1,
devicePxPerCssPx: 1
};
};
/**
* IE 8 and 9: no trick needed!
* TODO: Test on IE10 and Windows 8 RT
* @return {Object}
* @private
**/
var ie8 = function () {
var zoom = Math.round((screen.deviceXDPI / screen.logicalXDPI) * 100) / 100;
return {
zoom: zoom,
devicePxPerCssPx: zoom * devicePixelRatio()
};
};
/**
* For IE10 we need to change our technique again...
* thanks https://github.com/stefanvanburen
* @return {Object}
* @private
*/
var ie10 = function () {
var zoom = Math.round((document.documentElement.offsetHeight / window.innerHeight) * 100) / 100;
return {
zoom: zoom,
devicePxPerCssPx: zoom * devicePixelRatio()
};
};
/**
* Mobile WebKit
* the trick: window.innerWIdth is in CSS pixels, while
* screen.width and screen.height are in system pixels.
* And there are no scrollbars to mess up the measurement.
* @return {Object}
* @private
*/
var webkitMobile = function () {
var deviceWidth = (Math.abs(window.orientation) == 90) ? screen.height : screen.width;
var zoom = deviceWidth / window.innerWidth;
return {
zoom: zoom,
devicePxPerCssPx: zoom * devicePixelRatio()
};
};
/**
* Desktop Webkit
* the trick: an element's clientHeight is in CSS pixels, while you can
* set its line-height in system pixels using font-size and
* -webkit-text-size-adjust:none.
* device-pixel-ratio: http://www.webkit.org/blog/55/high-dpi-web-sites/
*
* Previous trick (used before http://trac.webkit.org/changeset/100847):
* documentElement.scrollWidth is in CSS pixels, while
* document.width was in system pixels. Note that this is the
* layout width of the document, which is slightly different from viewport
* because document width does not include scrollbars and might be wider
* due to big elements.
* @return {Object}
* @private
*/
var webkit = function () {
var important = function (str) {
return str.replace(/;/g, " !important;");
};
var div = document.createElement('div');
div.innerHTML = "1
2
3
4
5
6
7
8
9
0";
div.setAttribute('style', important('font: 100px/1em sans-serif; -webkit-text-size-adjust: none; text-size-adjust: none; height: auto; width: 1em; padding: 0; overflow: visible;'));
// The container exists so that the div will be laid out in its own flow
// while not impacting the layout, viewport size, or display of the
// webpage as a whole.
// Add !important and relevant CSS rule resets
// so that other rules cannot affect the results.
var container = document.createElement('div');
container.setAttribute('style', important('width:0; height:0; overflow:hidden; visibility:hidden; position: absolute;'));
container.appendChild(div);
document.body.appendChild(container);
var zoom = 1000 / div.clientHeight;
zoom = Math.round(zoom * 100) / 100;
document.body.removeChild(container);
return{
zoom: zoom,
devicePxPerCssPx: zoom * devicePixelRatio()
};
};
/**
* no real trick; device-pixel-ratio is the ratio of device dpi / css dpi.
* (Note that this is a different interpretation than Webkit's device
* pixel ratio, which is the ratio device dpi / system dpi).
*
* Also, for Mozilla, there is no difference between the zoom factor and the device ratio.
*
* @return {Object}
* @private
*/
var firefox4 = function () {
var zoom = mediaQueryBinarySearch('min--moz-device-pixel-ratio', '', 0, 10, 20, 0.0001);
zoom = Math.round(zoom * 100) / 100;
return {
zoom: zoom,
devicePxPerCssPx: zoom
};
};
/**
* Firefox 18.x
* Mozilla added support for devicePixelRatio to Firefox 18,
* but it is affected by the zoom level, so, like in older
* Firefox we can't tell if we are in zoom mode or in a device
* with a different pixel ratio
* @return {Object}
* @private
*/
var firefox18 = function () {
return {
zoom: firefox4().zoom,
devicePxPerCssPx: devicePixelRatio()
};
};
/**
* works starting Opera 11.11
* the trick: outerWidth is the viewport width including scrollbars in
* system px, while innerWidth is the viewport width including scrollbars
* in CSS px
* @return {Object}
* @private
*/
var opera11 = function () {
var zoom = window.top.outerWidth / window.top.innerWidth;
zoom = Math.round(zoom * 100) / 100;
return {
zoom: zoom,
devicePxPerCssPx: zoom * devicePixelRatio()
};
};
/**
* Use a binary search through media queries to find zoom level in Firefox
* @param property
* @param unit
* @param a
* @param b
* @param maxIter
* @param epsilon
* @return {Number}
*/
var mediaQueryBinarySearch = function (property, unit, a, b, maxIter, epsilon) {
var matchMedia;
var head, style, div;
if (window.matchMedia) {
matchMedia = window.matchMedia;
} else {
head = document.getElementsByTagName('head')[0];
style = document.createElement('style');
head.appendChild(style);
div = document.createElement('div');
div.className = 'mediaQueryBinarySearch';
div.style.display = 'none';
document.body.appendChild(div);
matchMedia = function (query) {
style.sheet.insertRule('@media ' + query + '{.mediaQueryBinarySearch ' + '{text-decoration: underline} }', 0);
var matched = getComputedStyle(div, null).textDecoration == 'underline';
style.sheet.deleteRule(0);
return {matches: matched};
};
}
var ratio = binarySearch(a, b, maxIter);
if (div) {
head.removeChild(style);
document.body.removeChild(div);
}
return ratio;
function binarySearch(a, b, maxIter) {
var mid = (a + b) / 2;
if (maxIter <= 0 || b - a < epsilon) {
return mid;
}
var query = "(" + property + ":" + mid + unit + ")";
if (matchMedia(query).matches) {
return binarySearch(mid, b, maxIter - 1);
} else {
return binarySearch(a, mid, maxIter - 1);
}
}
};
/**
* Generate detection function
* @private
*/
var detectFunction = (function () {
var func = fallback;
//IE8+
if (!isNaN(screen.logicalXDPI) && !isNaN(screen.systemXDPI)) {
func = ie8;
}
// IE10+ / Touch
else if (window.navigator.msMaxTouchPoints) {
func = ie10;
}
//Mobile Webkit
else if ('orientation' in window && typeof document.body.style.webkitMarquee === 'string') {
func = webkitMobile;
}
//WebKit
else if (typeof document.body.style.webkitMarquee === 'string') {
func = webkit;
}
//Opera
else if (navigator.userAgent.indexOf('Opera') >= 0) {
func = opera11;
}
//Last one is Firefox
//FF 18.x
else if (window.devicePixelRatio) {
func = firefox18;
}
//FF 4.0 - 17.x
else if (firefox4().zoom > 0.001) {
func = firefox4;
}
return func;
}());
return ({
/**
* Ratios.zoom shorthand
* @return {Number} Zoom level
*/
zoom: function () {
return detectFunction().zoom;
},
/**
* Ratios.devicePxPerCssPx shorthand
* @return {Number} devicePxPerCssPx level
*/
device: function () {
return detectFunction().devicePxPerCssPx;
}
});
}));
var wpcom_img_zoomer = {
zoomed: false,
timer: null,
interval: 1000, // zoom polling interval in millisecond
// Should we apply width/height attributes to control the image size?
imgNeedsSizeAtts: function( img ) {
// Do not overwrite existing width/height attributes.
if ( img.getAttribute('width') !== null || img.getAttribute('height') !== null )
return false;
// Do not apply the attributes if the image is already constrained by a parent element.
if ( img.width < img.naturalWidth || img.height < img.naturalHeight )
return false;
return true;
},
init: function() {
var t = this;
try{
t.zoomImages();
t.timer = setInterval( function() { t.zoomImages(); }, t.interval );
}
catch(e){
}
},
stop: function() {
if ( this.timer )
clearInterval( this.timer );
},
getScale: function() {
var scale = detectZoom.device();
// Round up to 1.5 or the next integer below the cap.
if ( scale <= 1.0 ) scale = 1.0;
else if ( scale <= 1.5 ) scale = 1.5;
else if ( scale <= 2.0 ) scale = 2.0;
else if ( scale <= 3.0 ) scale = 3.0;
else if ( scale <= 4.0 ) scale = 4.0;
else scale = 5.0;
return scale;
},
shouldZoom: function( scale ) {
var t = this;
// Do not operate on hidden frames.
if ( "innerWidth" in window && !window.innerWidth )
return false;
// Don't do anything until scale > 1
if ( scale == 1.0 && t.zoomed == false )
return false;
return true;
},
zoomImages: function() {
var t = this;
var scale = t.getScale();
if ( ! t.shouldZoom( scale ) ){
return;
}
t.zoomed = true;
// Loop through all the elements on the page.
var imgs = document.getElementsByTagName("img");
for ( var i = 0; i < imgs.length; i++ ) {
// Wait for original images to load
if ( "complete" in imgs[i] && ! imgs[i].complete )
continue;
// Skip images that don't need processing.
var imgScale = imgs[i].getAttribute("scale");
if ( imgScale == scale || imgScale == "0" )
continue;
// Skip images that have already failed at this scale
var scaleFail = imgs[i].getAttribute("scale-fail");
if ( scaleFail && scaleFail <= scale )
continue;
// Skip images that have no dimensions yet.
if ( ! ( imgs[i].width && imgs[i].height ) )
continue;
// Skip images from Lazy Load plugins
if ( ! imgScale && imgs[i].getAttribute("data-lazy-src") && (imgs[i].getAttribute("data-lazy-src") !== imgs[i].getAttribute("src")))
continue;
if ( t.scaleImage( imgs[i], scale ) ) {
// Mark the img as having been processed at this scale.
imgs[i].setAttribute("scale", scale);
}
else {
// Set the flag to skip this image.
imgs[i].setAttribute("scale", "0");
}
}
},
scaleImage: function( img, scale ) {
var t = this;
var newSrc = img.src;
// Skip slideshow images
if ( img.parentNode.className.match(/slideshow-slide/) )
return false;
// Scale gravatars that have ?s= or ?size=
if ( img.src.match( /^https?:\/\/([^\/]*\.)?gravatar\.com\/.+[?&](s|size)=/ ) ) {
newSrc = img.src.replace( /([?&](s|size)=)(\d+)/, function( $0, $1, $2, $3 ) {
// Stash the original size
var originalAtt = "originals",
originalSize = img.getAttribute(originalAtt);
if ( originalSize === null ) {
originalSize = $3;
img.setAttribute(originalAtt, originalSize);
if ( t.imgNeedsSizeAtts( img ) ) {
// Fix width and height attributes to rendered dimensions.
img.width = img.width;
img.height = img.height;
}
}
// Get the width/height of the image in CSS pixels
var size = img.clientWidth;
// Convert CSS pixels to device pixels
var targetSize = Math.ceil(img.clientWidth * scale);
// Don't go smaller than the original size
targetSize = Math.max( targetSize, originalSize );
// Don't go larger than the service supports
targetSize = Math.min( targetSize, 512 );
return $1 + targetSize;
});
}
// Scale resize queries (*.files.wordpress.com) that have ?w= or ?h=
else if ( img.src.match( /^https?:\/\/([^\/]+)\.files\.wordpress\.com\/.+[?&][wh]=/ ) ) {
if ( img.src.match( /[?&]crop/ ) )
return false;
var changedAttrs = {};
var matches = img.src.match( /([?&]([wh])=)(\d+)/g );
for ( var i = 0; i < matches.length; i++ ) {
var lr = matches[i].split( '=' );
var thisAttr = lr[0].replace(/[?&]/g, '' );
var thisVal = lr[1];
// Stash the original size
var originalAtt = 'original' + thisAttr, originalSize = img.getAttribute( originalAtt );
if ( originalSize === null ) {
originalSize = thisVal;
img.setAttribute(originalAtt, originalSize);
if ( t.imgNeedsSizeAtts( img ) ) {
// Fix width and height attributes to rendered dimensions.
img.width = img.width;
img.height = img.height;
}
}
// Get the width/height of the image in CSS pixels
var size = thisAttr == 'w' ? img.clientWidth : img.clientHeight;
var naturalSize = ( thisAttr == 'w' ? img.naturalWidth : img.naturalHeight );
// Convert CSS pixels to device pixels
var targetSize = Math.ceil(size * scale);
// Don't go smaller than the original size
targetSize = Math.max( targetSize, originalSize );
// Don't go bigger unless the current one is actually lacking
if ( scale > img.getAttribute("scale") && targetSize <= naturalSize )
targetSize = thisVal;
// Don't try to go bigger if the image is already smaller than was requested
if ( naturalSize < thisVal )
targetSize = thisVal;
if ( targetSize != thisVal )
changedAttrs[ thisAttr ] = targetSize;
}
var w = changedAttrs.w || false;
var h = changedAttrs.h || false;
if ( w ) {
newSrc = img.src.replace(/([?&])w=\d+/g, function( $0, $1 ) {
return $1 + 'w=' + w;
});
}
if ( h ) {
newSrc = newSrc.replace(/([?&])h=\d+/g, function( $0, $1 ) {
return $1 + 'h=' + h;
});
}
}
// Scale mshots that have width
else if ( img.src.match(/^https?:\/\/([^\/]+\.)*(wordpress|wp)\.com\/mshots\/.+[?&]w=\d+/) ) {
newSrc = img.src.replace( /([?&]w=)(\d+)/, function($0, $1, $2) {
// Stash the original size
var originalAtt = 'originalw', originalSize = img.getAttribute(originalAtt);
if ( originalSize === null ) {
originalSize = $2;
img.setAttribute(originalAtt, originalSize);
if ( t.imgNeedsSizeAtts( img ) ) {
// Fix width and height attributes to rendered dimensions.
img.width = img.width;
img.height = img.height;
}
}
// Get the width of the image in CSS pixels
var size = img.clientWidth;
// Convert CSS pixels to device pixels
var targetSize = Math.ceil(size * scale);
// Don't go smaller than the original size
targetSize = Math.max( targetSize, originalSize );
// Don't go bigger unless the current one is actually lacking
if ( scale > img.getAttribute("scale") && targetSize <= img.naturalWidth )
targetSize = $2;
if ( $2 != targetSize )
return $1 + targetSize;
return $0;
});
}
// Scale simple imgpress queries (s0.wp.com) that only specify w/h/fit
else if ( img.src.match(/^https?:\/\/([^\/.]+\.)*(wp|wordpress)\.com\/imgpress\?(.+)/) ) {
var imgpressSafeFunctions = ["zoom", "url", "h", "w", "fit", "filter", "brightness", "contrast", "colorize", "smooth", "unsharpmask"];
// Search the query string for unsupported functions.
var qs = RegExp.$3.split('&');
for ( var q in qs ) {
q = qs[q].split('=')[0];
if ( imgpressSafeFunctions.indexOf(q) == -1 ) {
return false;
}
}
// Fix width and height attributes to rendered dimensions.
img.width = img.width;
img.height = img.height;
// Compute new src
if ( scale == 1 )
newSrc = img.src.replace(/\?(zoom=[^&]+&)?/, '?');
else
newSrc = img.src.replace(/\?(zoom=[^&]+&)?/, '?zoom=' + scale + '&');
}
// Scale LaTeX images or Photon queries (i#.wp.com)
else if (
img.src.match(/^https?:\/\/([^\/.]+\.)*(wp|wordpress)\.com\/latex\.php\?(latex|zoom)=(.+)/) ||
img.src.match(/^https?:\/\/i[\d]{1}\.wp\.com\/(.+)/)
) {
// Fix width and height attributes to rendered dimensions.
img.width = img.width;
img.height = img.height;
// Compute new src
if ( scale == 1 )
newSrc = img.src.replace(/\?(zoom=[^&]+&)?/, '?');
else
newSrc = img.src.replace(/\?(zoom=[^&]+&)?/, '?zoom=' + scale + '&');
}
// Scale static assets that have a name matching *-1x.png or *@1x.png
else if ( img.src.match(/^https?:\/\/[^\/]+\/.*[-@]([12])x\.(gif|jpeg|jpg|png)(\?|$)/) ) {
// Fix width and height attributes to rendered dimensions.
img.width = img.width;
img.height = img.height;
var currentSize = RegExp.$1, newSize = currentSize;
if ( scale <= 1 )
newSize = 1;
else
newSize = 2;
if ( currentSize != newSize )
newSrc = img.src.replace(/([-@])[12]x\.(gif|jpeg|jpg|png)(\?|$)/, '$1'+newSize+'x.$2$3');
}
else {
return false;
}
// Don't set img.src unless it has changed. This avoids unnecessary reloads.
if ( newSrc != img.src ) {
// Store the original img.src
var prevSrc, origSrc = img.getAttribute("src-orig");
if ( !origSrc ) {
origSrc = img.src;
img.setAttribute("src-orig", origSrc);
}
// In case of error, revert img.src
prevSrc = img.src;
img.onerror = function(){
img.src = prevSrc;
if ( img.getAttribute("scale-fail") < scale )
img.setAttribute("scale-fail", scale);
img.onerror = null;
};
// Finally load the new image
img.src = newSrc;
}
return true;
}
};
wpcom_img_zoomer.init();
;
/*
* Swipe 2.0
*
* Brad Birdsall
* Copyright 2013, MIT License
*
*/
function Swipe(container, options) {
"use strict";
// utilities
var noop = function() {}; // simple no operation function
var offloadFn = function(fn) { setTimeout(fn || noop, 0) }; // offload a functions execution
// check browser capabilities
var browser = {
addEventListener: !!window.addEventListener,
touch: ('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch,
transitions: (function(temp) {
var props = ['transitionProperty', 'WebkitTransition', 'MozTransition', 'OTransition', 'msTransition'];
for ( var i in props ) if (temp.style[ props[i] ] !== undefined) return true;
return false;
})(document.createElement('swipe'))
};
// quit if no root element
if (!container) return;
var element = container.children[0];
var slides, slidePos, width, length;
options = options || {};
var index = parseInt(options.startSlide, 10) || 0;
var speed = options.speed || 300;
options.continuous = options.continuous !== undefined ? options.continuous : true;
function setup() {
// cache slides
slides = element.children;
length = slides.length;
// set continuous to false if only one slide
if (slides.length < 2) options.continuous = false;
//special case if two slides
if (browser.transitions && options.continuous && slides.length < 3) {
element.appendChild(slides[0].cloneNode(true));
element.appendChild(element.children[1].cloneNode(true));
slides = element.children;
}
// create an array to store current positions of each slide
slidePos = new Array(slides.length);
// determine width of each slide
width = container.getBoundingClientRect().width || container.offsetWidth;
element.style.width = (slides.length * width) + 'px';
// stack elements
var pos = slides.length;
while(pos--) {
var slide = slides[pos];
slide.style.width = width + 'px';
slide.setAttribute('data-index', pos);
if (browser.transitions) {
slide.style.left = (pos * -width) + 'px';
move(pos, index > pos ? -width : (index < pos ? width : 0), 0);
}
}
// reposition elements before and after index
if (options.continuous && browser.transitions) {
move(circle(index-1), -width, 0);
move(circle(index+1), width, 0);
}
if (!browser.transitions) element.style.left = (index * -width) + 'px';
container.style.visibility = 'visible';
}
function prev() {
if (options.continuous) slide(index-1);
else if (index) slide(index-1);
}
function next() {
if (options.continuous) slide(index+1);
else if (index < slides.length - 1) slide(index+1);
}
function circle(index) {
// a simple positive modulo using slides.length
return (slides.length + (index % slides.length)) % slides.length;
}
function slide(to, slideSpeed) {
// do nothing if already on requested slide
if (index == to) return;
if (browser.transitions) {
var direction = Math.abs(index-to) / (index-to); // 1: backward, -1: forward
// get the actual position of the slide
if (options.continuous) {
var natural_direction = direction;
direction = -slidePos[circle(to)] / width;
// if going forward but to < index, use to = slides.length + to
// if going backward but to > index, use to = -slides.length + to
if (direction !== natural_direction) to = -direction * slides.length + to;
}
var diff = Math.abs(index-to) - 1;
// move all the slides between index and to in the right direction
while (diff--) move( circle((to > index ? to : index) - diff - 1), width * direction, 0);
to = circle(to);
move(index, width * direction, slideSpeed || speed);
move(to, 0, slideSpeed || speed);
if (options.continuous) move(circle(to - direction), -(width * direction), 0); // we need to get the next in place
} else {
to = circle(to);
animate(index * -width, to * -width, slideSpeed || speed);
//no fallback for a circular continuous if the browser does not accept transitions
}
index = to;
offloadFn(options.callback && options.callback(index, slides[index]));
}
function move(index, dist, speed) {
translate(index, dist, speed);
slidePos[index] = dist;
}
function translate(index, dist, speed) {
var slide = slides[index];
var style = slide && slide.style;
if (!style) return;
style.webkitTransitionDuration =
style.MozTransitionDuration =
style.msTransitionDuration =
style.OTransitionDuration =
style.transitionDuration = speed + 'ms';
style.webkitTransform = 'translate(' + dist + 'px,0)' + 'translateZ(0)';
style.msTransform =
style.MozTransform =
style.OTransform = 'translateX(' + dist + 'px)';
}
function animate(from, to, speed) {
// if not an animation, just reposition
if (!speed) {
element.style.left = to + 'px';
return;
}
var start = +new Date;
var timer = setInterval(function() {
var timeElap = +new Date - start;
if (timeElap > speed) {
element.style.left = to + 'px';
if (delay) begin();
options.transitionEnd && options.transitionEnd.call(event, index, slides[index]);
clearInterval(timer);
return;
}
element.style.left = (( (to - from) * (Math.floor((timeElap / speed) * 100) / 100) ) + from) + 'px';
}, 4);
}
// setup auto slideshow
var delay = options.auto || 0;
var interval;
function begin() {
interval = setTimeout(next, delay);
}
function stop() {
delay = 0;
clearTimeout(interval);
}
// setup initial vars
var start = {};
var delta = {};
var isScrolling;
// setup event capturing
var events = {
handleEvent: function(event) {
switch (event.type) {
case 'touchstart': this.start(event); break;
case 'touchmove': this.move(event); break;
case 'touchend': offloadFn(this.end(event)); break;
case 'webkitTransitionEnd':
case 'msTransitionEnd':
case 'oTransitionEnd':
case 'otransitionend':
case 'transitionend': offloadFn(this.transitionEnd(event)); break;
case 'resize': offloadFn(setup.call()); break;
}
if (options.stopPropagation) event.stopPropagation();
},
start: function(event) {
var touches = event.touches[0];
// measure start values
start = {
// get initial touch coords
x: touches.pageX,
y: touches.pageY,
// store time to determine touch duration
time: +new Date
};
// used for testing first move event
isScrolling = undefined;
// reset delta and end measurements
delta = {};
// attach touchmove and touchend listeners
element.addEventListener('touchmove', this, false);
element.addEventListener('touchend', this, false);
},
move: function(event) {
// ensure swiping with one touch and not pinching
if ( event.touches.length > 1 || event.scale && event.scale !== 1) return
if (options.disableScroll) event.preventDefault();
var touches = event.touches[0];
// measure change in x and y
delta = {
x: touches.pageX - start.x,
y: touches.pageY - start.y
}
// determine if scrolling test has run - one time test
if ( typeof isScrolling == 'undefined') {
isScrolling = !!( isScrolling || Math.abs(delta.x) < Math.abs(delta.y) );
}
// if user is not trying to scroll vertically
if (!isScrolling) {
// prevent native scrolling
event.preventDefault();
// stop slideshow
stop();
// increase resistance if first or last slide
if (options.continuous) { // we don't add resistance at the end
translate(circle(index-1), delta.x + slidePos[circle(index-1)], 0);
translate(index, delta.x + slidePos[index], 0);
translate(circle(index+1), delta.x + slidePos[circle(index+1)], 0);
} else {
delta.x =
delta.x /
( (!index && delta.x > 0 // if first slide and sliding left
|| index == slides.length - 1 // or if last slide and sliding right
&& delta.x < 0 // and if sliding at all
) ?
( Math.abs(delta.x) / width + 1 ) // determine resistance level
: 1 ); // no resistance if false
// translate 1:1
translate(index-1, delta.x + slidePos[index-1], 0);
translate(index, delta.x + slidePos[index], 0);
translate(index+1, delta.x + slidePos[index+1], 0);
}
}
},
end: function(event) {
// measure duration
var duration = +new Date - start.time;
// determine if slide attempt triggers next/prev slide
var isValidSlide =
Number(duration) < 250 // if slide duration is less than 250ms
&& Math.abs(delta.x) > 20 // and if slide amt is greater than 20px
|| Math.abs(delta.x) > width/2; // or if slide amt is greater than half the width
// determine if slide attempt is past start and end
var isPastBounds =
!index && delta.x > 0 // if first slide and slide amt is greater than 0
|| index == slides.length - 1 && delta.x < 0; // or if last slide and slide amt is less than 0
if (options.continuous) isPastBounds = false;
// determine direction of swipe (true:right, false:left)
var direction = delta.x < 0;
// if not scrolling vertically
if (!isScrolling) {
if (isValidSlide && !isPastBounds) {
if (direction) {
if (options.continuous) { // we need to get the next in this direction in place
move(circle(index-1), -width, 0);
move(circle(index+2), width, 0);
} else {
move(index-1, -width, 0);
}
move(index, slidePos[index]-width, speed);
move(circle(index+1), slidePos[circle(index+1)]-width, speed);
index = circle(index+1);
} else {
if (options.continuous) { // we need to get the next in this direction in place
move(circle(index+1), width, 0);
move(circle(index-2), -width, 0);
} else {
move(index+1, width, 0);
}
move(index, slidePos[index]+width, speed);
move(circle(index-1), slidePos[circle(index-1)]+width, speed);
index = circle(index-1);
}
options.callback && options.callback(index, slides[index]);
} else {
if (options.continuous) {
move(circle(index-1), -width, speed);
move(index, 0, speed);
move(circle(index+1), width, speed);
} else {
move(index-1, -width, speed);
move(index, 0, speed);
move(index+1, width, speed);
}
}
}
// kill touchmove and touchend event listeners until touchstart called again
element.removeEventListener('touchmove', events, false)
element.removeEventListener('touchend', events, false)
},
transitionEnd: function(event) {
if (parseInt(event.target.getAttribute('data-index'), 10) == index) {
if (delay) begin();
options.transitionEnd && options.transitionEnd.call(event, index, slides[index]);
}
}
}
// trigger setup
setup();
// start auto slideshow if applicable
if (delay) begin();
// add event listeners
if (browser.addEventListener) {
// set touchstart event on element
if (browser.touch) element.addEventListener('touchstart', events, false);
if (browser.transitions) {
element.addEventListener('webkitTransitionEnd', events, false);
element.addEventListener('msTransitionEnd', events, false);
element.addEventListener('oTransitionEnd', events, false);
element.addEventListener('otransitionend', events, false);
element.addEventListener('transitionend', events, false);
}
// set resize event on window
window.addEventListener('resize', events, false);
} else {
window.onresize = function () { setup() }; // to play nice with old IE
}
// expose the Swipe API
return {
setup: function() {
setup();
},
slide: function(to, speed) {
// cancel slideshow
stop();
slide(to, speed);
},
prev: function() {
// cancel slideshow
stop();
prev();
},
next: function() {
// cancel slideshow
stop();
next();
},
getPos: function() {
// return current index position
return index;
},
getNumSlides: function() {
// return total number of slides
return length;
},
kill: function() {
// cancel slideshow
stop();
// reset element
element.style.width = 'auto';
element.style.left = 0;
// reset slides
var pos = slides.length;
while(pos--) {
var slide = slides[pos];
slide.style.width = '100%';
slide.style.left = 0;
if (browser.transitions) translate(pos, 0, 0);
}
// removed event listeners
if (browser.addEventListener) {
// remove current event listeners
element.removeEventListener('touchstart', events, false);
element.removeEventListener('webkitTransitionEnd', events, false);
element.removeEventListener('msTransitionEnd', events, false);
element.removeEventListener('oTransitionEnd', events, false);
element.removeEventListener('otransitionend', events, false);
element.removeEventListener('transitionend', events, false);
window.removeEventListener('resize', events, false);
}
else {
window.onresize = null;
}
}
}
}
if ( window.jQuery || window.Zepto ) {
(function($) {
$.fn.Swipe = function(params) {
return this.each(function() {
$(this).data('Swipe', new Swipe($(this)[0], params));
});
}
})( window.jQuery || window.Zepto )
}
;
/**
* Comment Likes - JavaScript
*
* This handles liking and unliking comments, as well as viewing who has
* liked a particular comment.
*
* @dependency jQuery
* @dependency Swipe
*
* @package Comment_Likes
* @subpackage JavaScript
*/
jQuery( function() {
var $ = jQuery;
var extWin;
var extWinCheck;
var commentLikeEvent;
// The O2 theme re-injects this script into the DOM when somebody
// creates a new thread and the page is already open, but we don't
// want to run this script a second time.
if ( window.comment_likes_loaded ) return;
window.comment_likes_loaded = true;
// Client-side cache of who liked a particular comment to avoid
// having to hit the server multiple times for the same data.
var comment_like_cache = {};
/**
* Parse the comment ID from a comment like link.
*/
var get_comment_id = function( $link ) {
var comment_id = $link.attr( 'href' ).split( 'like_comment=' );
return comment_id[1].split( '&_wpnonce=' )[0];
};
/**
* Handle an ajax action on the comment like link.
*/
var handle_link_action = function( $link, action, comment_id, callback ) {
var nonce = $link.attr( 'href' ).split( '_wpnonce=' )[1];
$.post( '/wp-admin/admin-ajax.php', {
'action': action,
'_wpnonce': nonce,
'like_comment': comment_id,
'blog_id': Number( $link.data( 'blog' ) )
}, callback, 'json' );
};
// Overlay used for displaying comment like info.
var overlay = {
// Overlay element.
$el: $( '