/* 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++ ) {
// 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;
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$3');
}
else {
return false;
}
// Don't set img.src unless it has changed. This avoids unnecessary reloads.
if ( newSrc != img.src ) {
// Store the original img.src
var prevSrc, origSrc = img.getAttribute("src-orig");
if ( !origSrc ) {
origSrc = img.src;
img.setAttribute("src-orig", origSrc);
}
// In case of error, revert img.src
if ( img.complete )
prevSrc = img.src;
else
prevSrc = origSrc;
img.onerror = function(){
img.src = prevSrc;
if ( img.getAttribute("scale-fail") < scale )
img.setAttribute("scale-fail", scale);
img.onerror = null;
};
// Finally load the new image
img.src = newSrc;
}
return true;
}
};
wpcom_img_zoomer.init();
;
// WARNING: This file is distributed verbatim in Jetpack. @hide-in-jetpack
/*!
* jQuery Cycle Plugin (with Transition Definitions)
* Examples and documentation at: http://jquery.malsup.com/cycle/
* Copyright (c) 2007-2010 M. Alsup
* Version: 2.9999.8 (26-OCT-2012)
* Dual licensed under the MIT and GPL licenses.
* http://jquery.malsup.com/license.html
* Requires: jQuery v1.3.2 or later
*/
;(function($, undefined) {
"use strict";
var ver = '2.9999.8';
// if $.support is not defined (pre jQuery 1.3) add what I need
if ($.support === undefined) {
$.support = {
opacity: !($.browser.msie)
};
}
function debug(s) {
if ($.fn.cycle.debug)
log(s);
}
function log() {
if (window.console && console.log)
console.log('[cycle] ' + Array.prototype.join.call(arguments,' '));
}
$.expr[':'].paused = function(el) {
return el.cyclePause;
};
// the options arg can be...
// a number - indicates an immediate transition should occur to the given slide index
// a string - 'pause', 'resume', 'toggle', 'next', 'prev', 'stop', 'destroy' or the name of a transition effect (ie, 'fade', 'zoom', etc)
// an object - properties to control the slideshow
//
// the arg2 arg can be...
// the name of an fx (only used in conjunction with a numeric value for 'options')
// the value true (only used in first arg == 'resume') and indicates
// that the resume should occur immediately (not wait for next timeout)
$.fn.cycle = function(options, arg2) {
var o = { s: this.selector, c: this.context };
// in 1.3+ we can fix mistakes with the ready state
if (this.length === 0 && options != 'stop') {
if (!$.isReady && o.s) {
log('DOM not ready, queuing slideshow');
$(function() {
$(o.s,o.c).cycle(options,arg2);
});
return this;
}
// is your DOM ready? http://docs.jquery.com/Tutorials:Introducing_$(document).ready()
log('terminating; zero elements found by selector' + ($.isReady ? '' : ' (DOM not ready)'));
return this;
}
// iterate the matched nodeset
return this.each(function() {
var opts = handleArguments(this, options, arg2);
if (opts === false)
return;
opts.updateActivePagerLink = opts.updateActivePagerLink || $.fn.cycle.updateActivePagerLink;
// stop existing slideshow for this container (if there is one)
if (this.cycleTimeout)
clearTimeout(this.cycleTimeout);
this.cycleTimeout = this.cyclePause = 0;
this.cycleStop = 0; // issue #108
var $cont = $(this);
var $slides = opts.slideExpr ? $(opts.slideExpr, this) : $cont.children();
var els = $slides.get();
if (els.length < 2) {
log('terminating; too few slides: ' + els.length);
return;
}
var opts2 = buildOptions($cont, $slides, els, opts, o);
if (opts2 === false)
return;
var startTime = opts2.continuous ? 10 : getTimeout(els[opts2.currSlide], els[opts2.nextSlide], opts2, !opts2.backwards);
// if it's an auto slideshow, kick it off
if (startTime) {
startTime += (opts2.delay || 0);
if (startTime < 10)
startTime = 10;
debug('first timeout: ' + startTime);
this.cycleTimeout = setTimeout(function(){go(els,opts2,0,!opts.backwards);}, startTime);
}
});
};
function triggerPause(cont, byHover, onPager) {
var opts = $(cont).data('cycle.opts');
if (!opts)
return;
var paused = !!cont.cyclePause;
if (paused && opts.paused)
opts.paused(cont, opts, byHover, onPager);
else if (!paused && opts.resumed)
opts.resumed(cont, opts, byHover, onPager);
}
// process the args that were passed to the plugin fn
function handleArguments(cont, options, arg2) {
if (cont.cycleStop === undefined)
cont.cycleStop = 0;
if (options === undefined || options === null)
options = {};
if (options.constructor == String) {
switch(options) {
case 'destroy':
case 'stop':
var opts = $(cont).data('cycle.opts');
if (!opts)
return false;
cont.cycleStop++; // callbacks look for change
if (cont.cycleTimeout)
clearTimeout(cont.cycleTimeout);
cont.cycleTimeout = 0;
if (opts.elements)
$(opts.elements).stop();
$(cont).removeData('cycle.opts');
if (options == 'destroy')
destroy(cont, opts);
return false;
case 'toggle':
cont.cyclePause = (cont.cyclePause === 1) ? 0 : 1;
checkInstantResume(cont.cyclePause, arg2, cont);
triggerPause(cont);
return false;
case 'pause':
cont.cyclePause = 1;
triggerPause(cont);
return false;
case 'resume':
cont.cyclePause = 0;
checkInstantResume(false, arg2, cont);
triggerPause(cont);
return false;
case 'prev':
case 'next':
opts = $(cont).data('cycle.opts');
if (!opts) {
log('options not found, "prev/next" ignored');
return false;
}
$.fn.cycle[options](opts);
return false;
default:
options = { fx: options };
}
return options;
}
else if (options.constructor == Number) {
// go to the requested slide
var num = options;
options = $(cont).data('cycle.opts');
if (!options) {
log('options not found, can not advance slide');
return false;
}
if (num < 0 || num >= options.elements.length) {
log('invalid slide index: ' + num);
return false;
}
options.nextSlide = num;
if (cont.cycleTimeout) {
clearTimeout(cont.cycleTimeout);
cont.cycleTimeout = 0;
}
if (typeof arg2 == 'string')
options.oneTimeFx = arg2;
go(options.elements, options, 1, num >= options.currSlide);
return false;
}
return options;
function checkInstantResume(isPaused, arg2, cont) {
if (!isPaused && arg2 === true) { // resume now!
var options = $(cont).data('cycle.opts');
if (!options) {
log('options not found, can not resume');
return false;
}
if (cont.cycleTimeout) {
clearTimeout(cont.cycleTimeout);
cont.cycleTimeout = 0;
}
go(options.elements, options, 1, !options.backwards);
}
}
}
function removeFilter(el, opts) {
if (!$.support.opacity && opts.cleartype && el.style.filter) {
try { el.style.removeAttribute('filter'); }
catch(smother) {} // handle old opera versions
}
}
// unbind event handlers
function destroy(cont, opts) {
if (opts.next)
$(opts.next).unbind(opts.prevNextEvent);
if (opts.prev)
$(opts.prev).unbind(opts.prevNextEvent);
if (opts.pager || opts.pagerAnchorBuilder)
$.each(opts.pagerAnchors || [], function() {
this.unbind().remove();
});
opts.pagerAnchors = null;
$(cont).unbind('mouseenter.cycle mouseleave.cycle');
if (opts.destroy) // callback
opts.destroy(opts);
}
// one-time initialization
function buildOptions($cont, $slides, els, options, o) {
var startingSlideSpecified;
// support metadata plugin (v1.0 and v2.0)
var opts = $.extend({}, $.fn.cycle.defaults, options || {}, $.metadata ? $cont.metadata() : $.meta ? $cont.data() : {});
var meta = $.isFunction($cont.data) ? $cont.data(opts.metaAttr) : null;
if (meta)
opts = $.extend(opts, meta);
if (opts.autostop)
opts.countdown = opts.autostopCount || els.length;
var cont = $cont[0];
$cont.data('cycle.opts', opts);
opts.$cont = $cont;
opts.stopCount = cont.cycleStop;
opts.elements = els;
opts.before = opts.before ? [opts.before] : [];
opts.after = opts.after ? [opts.after] : [];
// push some after callbacks
if (!$.support.opacity && opts.cleartype)
opts.after.push(function() { removeFilter(this, opts); });
if (opts.continuous)
opts.after.push(function() { go(els,opts,0,!opts.backwards); });
saveOriginalOpts(opts);
// clearType corrections
if (!$.support.opacity && opts.cleartype && !opts.cleartypeNoBg)
clearTypeFix($slides);
// container requires non-static position so that slides can be position within
if ($cont.css('position') == 'static')
$cont.css('position', 'relative');
if (opts.width)
$cont.width(opts.width);
if (opts.height && opts.height != 'auto')
$cont.height(opts.height);
if (opts.startingSlide !== undefined) {
opts.startingSlide = parseInt(opts.startingSlide,10);
if (opts.startingSlide >= els.length || opts.startSlide < 0)
opts.startingSlide = 0; // catch bogus input
else
startingSlideSpecified = true;
}
else if (opts.backwards)
opts.startingSlide = els.length - 1;
else
opts.startingSlide = 0;
// if random, mix up the slide array
if (opts.random) {
opts.randomMap = [];
for (var i = 0; i < els.length; i++)
opts.randomMap.push(i);
opts.randomMap.sort(function(a,b) {return Math.random() - 0.5;});
if (startingSlideSpecified) {
// try to find the specified starting slide and if found set start slide index in the map accordingly
for ( var cnt = 0; cnt < els.length; cnt++ ) {
if ( opts.startingSlide == opts.randomMap[cnt] ) {
opts.randomIndex = cnt;
}
}
}
else {
opts.randomIndex = 1;
opts.startingSlide = opts.randomMap[1];
}
}
else if (opts.startingSlide >= els.length)
opts.startingSlide = 0; // catch bogus input
opts.currSlide = opts.startingSlide || 0;
var first = opts.startingSlide;
// set position and zIndex on all the slides
$slides.css({position: 'absolute', top:0, left:0}).hide().each(function(i) {
var z;
if (opts.backwards)
z = first ? i <= first ? els.length + (i-first) : first-i : els.length-i;
else
z = first ? i >= first ? els.length - (i-first) : first-i : els.length-i;
$(this).css('z-index', z);
});
// make sure first slide is visible
$(els[first]).css('opacity',1).show(); // opacity bit needed to handle restart use case
removeFilter(els[first], opts);
// stretch slides
if (opts.fit) {
if (!opts.aspect) {
if (opts.width)
$slides.width(opts.width);
if (opts.height && opts.height != 'auto')
$slides.height(opts.height);
} else {
$slides.each(function(){
var $slide = $(this);
var ratio = (opts.aspect === true) ? $slide.width()/$slide.height() : opts.aspect;
if( opts.width && $slide.width() != opts.width ) {
$slide.width( opts.width );
$slide.height( opts.width / ratio );
}
if( opts.height && $slide.height() < opts.height ) {
$slide.height( opts.height );
$slide.width( opts.height * ratio );
}
});
}
}
if (opts.center && ((!opts.fit) || opts.aspect)) {
$slides.each(function(){
var $slide = $(this);
$slide.css({
"margin-left": opts.width ?
((opts.width - $slide.width()) / 2) + "px" :
0,
"margin-top": opts.height ?
((opts.height - $slide.height()) / 2) + "px" :
0
});
});
}
if (opts.center && !opts.fit && !opts.slideResize) {
$slides.each(function(){
var $slide = $(this);
$slide.css({
"margin-left": opts.width ? ((opts.width - $slide.width()) / 2) + "px" : 0,
"margin-top": opts.height ? ((opts.height - $slide.height()) / 2) + "px" : 0
});
});
}
// stretch container
var reshape = (opts.containerResize || opts.containerResizeHeight) && !$cont.innerHeight();
if (reshape) { // do this only if container has no size http://tinyurl.com/da2oa9
var maxw = 0, maxh = 0;
for(var j=0; j < els.length; j++) {
var $e = $(els[j]), e = $e[0], w = $e.outerWidth(), h = $e.outerHeight();
if (!w) w = e.offsetWidth || e.width || $e.attr('width');
if (!h) h = e.offsetHeight || e.height || $e.attr('height');
maxw = w > maxw ? w : maxw;
maxh = h > maxh ? h : maxh;
}
if (opts.containerResize && maxw > 0 && maxh > 0)
$cont.css({width:maxw+'px',height:maxh+'px'});
if (opts.containerResizeHeight && maxh > 0)
$cont.css({height:maxh+'px'});
}
var pauseFlag = false; // https://github.com/malsup/cycle/issues/44
if (opts.pause)
$cont.bind('mouseenter.cycle', function(){
pauseFlag = true;
this.cyclePause++;
triggerPause(cont, true);
}).bind('mouseleave.cycle', function(){
if (pauseFlag)
this.cyclePause--;
triggerPause(cont, true);
});
if (supportMultiTransitions(opts) === false)
return false;
// apparently a lot of people use image slideshows without height/width attributes on the images.
// Cycle 2.50+ requires the sizing info for every slide; this block tries to deal with that.
var requeue = false;
options.requeueAttempts = options.requeueAttempts || 0;
$slides.each(function() {
// try to get height/width of each slide
var $el = $(this);
this.cycleH = (opts.fit && opts.height) ? opts.height : ($el.height() || this.offsetHeight || this.height || $el.attr('height') || 0);
this.cycleW = (opts.fit && opts.width) ? opts.width : ($el.width() || this.offsetWidth || this.width || $el.attr('width') || 0);
if ( $el.is('img') ) {
// sigh.. sniffing, hacking, shrugging... this crappy hack tries to account for what browsers do when
// an image is being downloaded and the markup did not include sizing info (height/width attributes);
// there seems to be some "default" sizes used in this situation
var loadingIE = ($.browser.msie && this.cycleW == 28 && this.cycleH == 30 && !this.complete);
var loadingFF = ($.browser.mozilla && this.cycleW == 34 && this.cycleH == 19 && !this.complete);
var loadingOp = ($.browser.opera && ((this.cycleW == 42 && this.cycleH == 19) || (this.cycleW == 37 && this.cycleH == 17)) && !this.complete);
var loadingOther = (this.cycleH === 0 && this.cycleW === 0 && !this.complete);
// don't requeue for images that are still loading but have a valid size
if (loadingIE || loadingFF || loadingOp || loadingOther) {
if (o.s && opts.requeueOnImageNotLoaded && ++options.requeueAttempts < 100) { // track retry count so we don't loop forever
log(options.requeueAttempts,' - img slide not loaded, requeuing slideshow: ', this.src, this.cycleW, this.cycleH);
setTimeout(function() {$(o.s,o.c).cycle(options);}, opts.requeueTimeout);
requeue = true;
return false; // break each loop
}
else {
log('could not determine size of image: '+this.src, this.cycleW, this.cycleH);
}
}
}
return true;
});
if (requeue)
return false;
opts.cssBefore = opts.cssBefore || {};
opts.cssAfter = opts.cssAfter || {};
opts.cssFirst = opts.cssFirst || {};
opts.animIn = opts.animIn || {};
opts.animOut = opts.animOut || {};
$slides.not(':eq('+first+')').css(opts.cssBefore);
$($slides[first]).css(opts.cssFirst);
if (opts.timeout) {
opts.timeout = parseInt(opts.timeout,10);
// ensure that timeout and speed settings are sane
if (opts.speed.constructor == String)
opts.speed = $.fx.speeds[opts.speed] || parseInt(opts.speed,10);
if (!opts.sync)
opts.speed = opts.speed / 2;
var buffer = opts.fx == 'none' ? 0 : opts.fx == 'shuffle' ? 500 : 250;
while((opts.timeout - opts.speed) < buffer) // sanitize timeout
opts.timeout += opts.speed;
}
if (opts.easing)
opts.easeIn = opts.easeOut = opts.easing;
if (!opts.speedIn)
opts.speedIn = opts.speed;
if (!opts.speedOut)
opts.speedOut = opts.speed;
opts.slideCount = els.length;
opts.currSlide = opts.lastSlide = first;
if (opts.random) {
if (++opts.randomIndex == els.length)
opts.randomIndex = 0;
opts.nextSlide = opts.randomMap[opts.randomIndex];
}
else if (opts.backwards)
opts.nextSlide = opts.startingSlide === 0 ? (els.length-1) : opts.startingSlide-1;
else
opts.nextSlide = opts.startingSlide >= (els.length-1) ? 0 : opts.startingSlide+1;
// run transition init fn
if (!opts.multiFx) {
var init = $.fn.cycle.transitions[opts.fx];
if ($.isFunction(init))
init($cont, $slides, opts);
else if (opts.fx != 'custom' && !opts.multiFx) {
log('unknown transition: ' + opts.fx,'; slideshow terminating');
return false;
}
}
// fire artificial events
var e0 = $slides[first];
if (!opts.skipInitializationCallbacks) {
if (opts.before.length)
opts.before[0].apply(e0, [e0, e0, opts, true]);
if (opts.after.length)
opts.after[0].apply(e0, [e0, e0, opts, true]);
}
if (opts.next)
$(opts.next).bind(opts.prevNextEvent,function(){return advance(opts,1);});
if (opts.prev)
$(opts.prev).bind(opts.prevNextEvent,function(){return advance(opts,0);});
if (opts.pager || opts.pagerAnchorBuilder)
buildPager(els,opts);
exposeAddSlide(opts, els);
return opts;
}
// save off original opts so we can restore after clearing state
function saveOriginalOpts(opts) {
opts.original = { before: [], after: [] };
opts.original.cssBefore = $.extend({}, opts.cssBefore);
opts.original.cssAfter = $.extend({}, opts.cssAfter);
opts.original.animIn = $.extend({}, opts.animIn);
opts.original.animOut = $.extend({}, opts.animOut);
$.each(opts.before, function() { opts.original.before.push(this); });
$.each(opts.after, function() { opts.original.after.push(this); });
}
function supportMultiTransitions(opts) {
var i, tx, txs = $.fn.cycle.transitions;
// look for multiple effects
if (opts.fx.indexOf(',') > 0) {
opts.multiFx = true;
opts.fxs = opts.fx.replace(/\s*/g,'').split(',');
// discard any bogus effect names
for (i=0; i < opts.fxs.length; i++) {
var fx = opts.fxs[i];
tx = txs[fx];
if (!tx || !txs.hasOwnProperty(fx) || !$.isFunction(tx)) {
log('discarding unknown transition: ',fx);
opts.fxs.splice(i,1);
i--;
}
}
// if we have an empty list then we threw everything away!
if (!opts.fxs.length) {
log('No valid transitions named; slideshow terminating.');
return false;
}
}
else if (opts.fx == 'all') { // auto-gen the list of transitions
opts.multiFx = true;
opts.fxs = [];
for (var p in txs) {
if (txs.hasOwnProperty(p)) {
tx = txs[p];
if (txs.hasOwnProperty(p) && $.isFunction(tx))
opts.fxs.push(p);
}
}
}
if (opts.multiFx && opts.randomizeEffects) {
// munge the fxs array to make effect selection random
var r1 = Math.floor(Math.random() * 20) + 30;
for (i = 0; i < r1; i++) {
var r2 = Math.floor(Math.random() * opts.fxs.length);
opts.fxs.push(opts.fxs.splice(r2,1)[0]);
}
debug('randomized fx sequence: ',opts.fxs);
}
return true;
}
// provide a mechanism for adding slides after the slideshow has started
function exposeAddSlide(opts, els) {
opts.addSlide = function(newSlide, prepend) {
var $s = $(newSlide), s = $s[0];
if (!opts.autostopCount)
opts.countdown++;
els[prepend?'unshift':'push'](s);
if (opts.els)
opts.els[prepend?'unshift':'push'](s); // shuffle needs this
opts.slideCount = els.length;
// add the slide to the random map and resort
if (opts.random) {
opts.randomMap.push(opts.slideCount-1);
opts.randomMap.sort(function(a,b) {return Math.random() - 0.5;});
}
$s.css('position','absolute');
$s[prepend?'prependTo':'appendTo'](opts.$cont);
if (prepend) {
opts.currSlide++;
opts.nextSlide++;
}
if (!$.support.opacity && opts.cleartype && !opts.cleartypeNoBg)
clearTypeFix($s);
if (opts.fit && opts.width)
$s.width(opts.width);
if (opts.fit && opts.height && opts.height != 'auto')
$s.height(opts.height);
s.cycleH = (opts.fit && opts.height) ? opts.height : $s.height();
s.cycleW = (opts.fit && opts.width) ? opts.width : $s.width();
$s.css(opts.cssBefore);
if (opts.pager || opts.pagerAnchorBuilder)
$.fn.cycle.createPagerAnchor(els.length-1, s, $(opts.pager), els, opts);
if ($.isFunction(opts.onAddSlide))
opts.onAddSlide($s);
else
$s.hide(); // default behavior
};
}
// reset internal state; we do this on every pass in order to support multiple effects
$.fn.cycle.resetState = function(opts, fx) {
fx = fx || opts.fx;
opts.before = []; opts.after = [];
opts.cssBefore = $.extend({}, opts.original.cssBefore);
opts.cssAfter = $.extend({}, opts.original.cssAfter);
opts.animIn = $.extend({}, opts.original.animIn);
opts.animOut = $.extend({}, opts.original.animOut);
opts.fxFn = null;
$.each(opts.original.before, function() { opts.before.push(this); });
$.each(opts.original.after, function() { opts.after.push(this); });
// re-init
var init = $.fn.cycle.transitions[fx];
if ($.isFunction(init))
init(opts.$cont, $(opts.elements), opts);
};
// this is the main engine fn, it handles the timeouts, callbacks and slide index mgmt
function go(els, opts, manual, fwd) {
var p = opts.$cont[0], curr = els[opts.currSlide], next = els[opts.nextSlide];
// opts.busy is true if we're in the middle of an animation
if (manual && opts.busy && opts.manualTrump) {
// let manual transitions requests trump active ones
debug('manualTrump in go(), stopping active transition');
$(els).stop(true,true);
opts.busy = 0;
clearTimeout(p.cycleTimeout);
}
// don't begin another timeout-based transition if there is one active
if (opts.busy) {
debug('transition active, ignoring new tx request');
return;
}
// stop cycling if we have an outstanding stop request
if (p.cycleStop != opts.stopCount || p.cycleTimeout === 0 && !manual)
return;
// check to see if we should stop cycling based on autostop options
if (!manual && !p.cyclePause && !opts.bounce &&
((opts.autostop && (--opts.countdown <= 0)) ||
(opts.nowrap && !opts.random && opts.nextSlide < opts.currSlide))) {
if (opts.end)
opts.end(opts);
return;
}
// if slideshow is paused, only transition on a manual trigger
var changed = false;
if ((manual || !p.cyclePause) && (opts.nextSlide != opts.currSlide)) {
changed = true;
var fx = opts.fx;
// keep trying to get the slide size if we don't have it yet
curr.cycleH = curr.cycleH || $(curr).height();
curr.cycleW = curr.cycleW || $(curr).width();
next.cycleH = next.cycleH || $(next).height();
next.cycleW = next.cycleW || $(next).width();
// support multiple transition types
if (opts.multiFx) {
if (fwd && (opts.lastFx === undefined || ++opts.lastFx >= opts.fxs.length))
opts.lastFx = 0;
else if (!fwd && (opts.lastFx === undefined || --opts.lastFx < 0))
opts.lastFx = opts.fxs.length - 1;
fx = opts.fxs[opts.lastFx];
}
// one-time fx overrides apply to: $('div').cycle(3,'zoom');
if (opts.oneTimeFx) {
fx = opts.oneTimeFx;
opts.oneTimeFx = null;
}
$.fn.cycle.resetState(opts, fx);
// run the before callbacks
if (opts.before.length)
$.each(opts.before, function(i,o) {
if (p.cycleStop != opts.stopCount) return;
o.apply(next, [curr, next, opts, fwd]);
});
// stage the after callacks
var after = function() {
opts.busy = 0;
$.each(opts.after, function(i,o) {
if (p.cycleStop != opts.stopCount) return;
o.apply(next, [curr, next, opts, fwd]);
});
if (!p.cycleStop) {
// queue next transition
queueNext();
}
};
debug('tx firing('+fx+'); currSlide: ' + opts.currSlide + '; nextSlide: ' + opts.nextSlide);
// get ready to perform the transition
opts.busy = 1;
if (opts.fxFn) // fx function provided?
opts.fxFn(curr, next, opts, after, fwd, manual && opts.fastOnEvent);
else if ($.isFunction($.fn.cycle[opts.fx])) // fx plugin ?
$.fn.cycle[opts.fx](curr, next, opts, after, fwd, manual && opts.fastOnEvent);
else
$.fn.cycle.custom(curr, next, opts, after, fwd, manual && opts.fastOnEvent);
}
else {
queueNext();
}
if (changed || opts.nextSlide == opts.currSlide) {
// calculate the next slide
var roll;
opts.lastSlide = opts.currSlide;
if (opts.random) {
opts.currSlide = opts.nextSlide;
if (++opts.randomIndex == els.length) {
opts.randomIndex = 0;
opts.randomMap.sort(function(a,b) {return Math.random() - 0.5;});
}
opts.nextSlide = opts.randomMap[opts.randomIndex];
if (opts.nextSlide == opts.currSlide)
opts.nextSlide = (opts.currSlide == opts.slideCount - 1) ? 0 : opts.currSlide + 1;
}
else if (opts.backwards) {
roll = (opts.nextSlide - 1) < 0;
if (roll && opts.bounce) {
opts.backwards = !opts.backwards;
opts.nextSlide = 1;
opts.currSlide = 0;
}
else {
opts.nextSlide = roll ? (els.length-1) : opts.nextSlide-1;
opts.currSlide = roll ? 0 : opts.nextSlide+1;
}
}
else { // sequence
roll = (opts.nextSlide + 1) == els.length;
if (roll && opts.bounce) {
opts.backwards = !opts.backwards;
opts.nextSlide = els.length-2;
opts.currSlide = els.length-1;
}
else {
opts.nextSlide = roll ? 0 : opts.nextSlide+1;
opts.currSlide = roll ? els.length-1 : opts.nextSlide-1;
}
}
}
if (changed && opts.pager)
opts.updateActivePagerLink(opts.pager, opts.currSlide, opts.activePagerClass);
function queueNext() {
// stage the next transition
var ms = 0, timeout = opts.timeout;
if (opts.timeout && !opts.continuous) {
ms = getTimeout(els[opts.currSlide], els[opts.nextSlide], opts, fwd);
if (opts.fx == 'shuffle')
ms -= opts.speedOut;
}
else if (opts.continuous && p.cyclePause) // continuous shows work off an after callback, not this timer logic
ms = 10;
if (ms > 0)
p.cycleTimeout = setTimeout(function(){ go(els, opts, 0, !opts.backwards); }, ms);
}
}
// invoked after transition
$.fn.cycle.updateActivePagerLink = function(pager, currSlide, clsName) {
$(pager).each(function() {
$(this).children().removeClass(clsName).eq(currSlide).addClass(clsName);
});
};
// calculate timeout value for current transition
function getTimeout(curr, next, opts, fwd) {
if (opts.timeoutFn) {
// call user provided calc fn
var t = opts.timeoutFn.call(curr,curr,next,opts,fwd);
while (opts.fx != 'none' && (t - opts.speed) < 250) // sanitize timeout
t += opts.speed;
debug('calculated timeout: ' + t + '; speed: ' + opts.speed);
if (t !== false)
return t;
}
return opts.timeout;
}
// expose next/prev function, caller must pass in state
$.fn.cycle.next = function(opts) { advance(opts,1); };
$.fn.cycle.prev = function(opts) { advance(opts,0);};
// advance slide forward or back
function advance(opts, moveForward) {
var val = moveForward ? 1 : -1;
var els = opts.elements;
var p = opts.$cont[0], timeout = p.cycleTimeout;
if (timeout) {
clearTimeout(timeout);
p.cycleTimeout = 0;
}
if (opts.random && val < 0) {
// move back to the previously display slide
opts.randomIndex--;
if (--opts.randomIndex == -2)
opts.randomIndex = els.length-2;
else if (opts.randomIndex == -1)
opts.randomIndex = els.length-1;
opts.nextSlide = opts.randomMap[opts.randomIndex];
}
else if (opts.random) {
opts.nextSlide = opts.randomMap[opts.randomIndex];
}
else {
opts.nextSlide = opts.currSlide + val;
if (opts.nextSlide < 0) {
if (opts.nowrap) return false;
opts.nextSlide = els.length - 1;
}
else if (opts.nextSlide >= els.length) {
if (opts.nowrap) return false;
opts.nextSlide = 0;
}
}
var cb = opts.onPrevNextEvent || opts.prevNextClick; // prevNextClick is deprecated
if ($.isFunction(cb))
cb(val > 0, opts.nextSlide, els[opts.nextSlide]);
go(els, opts, 1, moveForward);
return false;
}
function buildPager(els, opts) {
var $p = $(opts.pager);
$.each(els, function(i,o) {
$.fn.cycle.createPagerAnchor(i,o,$p,els,opts);
});
opts.updateActivePagerLink(opts.pager, opts.startingSlide, opts.activePagerClass);
}
$.fn.cycle.createPagerAnchor = function(i, el, $p, els, opts) {
var a;
if ($.isFunction(opts.pagerAnchorBuilder)) {
a = opts.pagerAnchorBuilder(i,el);
debug('pagerAnchorBuilder('+i+', el) returned: ' + a);
}
else
a = ''+(i+1)+'';
if (!a)
return;
var $a = $(a);
// don't reparent if anchor is in the dom
if ($a.parents('body').length === 0) {
var arr = [];
if ($p.length > 1) {
$p.each(function() {
var $clone = $a.clone(true);
$(this).append($clone);
arr.push($clone[0]);
});
$a = $(arr);
}
else {
$a.appendTo($p);
}
}
opts.pagerAnchors = opts.pagerAnchors || [];
opts.pagerAnchors.push($a);
var pagerFn = function(e) {
e.preventDefault();
opts.nextSlide = i;
var p = opts.$cont[0], timeout = p.cycleTimeout;
if (timeout) {
clearTimeout(timeout);
p.cycleTimeout = 0;
}
var cb = opts.onPagerEvent || opts.pagerClick; // pagerClick is deprecated
if ($.isFunction(cb))
cb(opts.nextSlide, els[opts.nextSlide]);
go(els,opts,1,opts.currSlide < i); // trigger the trans
// return false; // <== allow bubble
};
if ( /mouseenter|mouseover/i.test(opts.pagerEvent) ) {
$a.hover(pagerFn, function(){/* no-op */} );
}
else {
$a.bind(opts.pagerEvent, pagerFn);
}
if ( ! /^click/.test(opts.pagerEvent) && !opts.allowPagerClickBubble)
$a.bind('click.cycle', function(){return false;}); // suppress click
var cont = opts.$cont[0];
var pauseFlag = false; // https://github.com/malsup/cycle/issues/44
if (opts.pauseOnPagerHover) {
$a.hover(
function() {
pauseFlag = true;
cont.cyclePause++;
triggerPause(cont,true,true);
}, function() {
if (pauseFlag)
cont.cyclePause--;
triggerPause(cont,true,true);
}
);
}
};
// helper fn to calculate the number of slides between the current and the next
$.fn.cycle.hopsFromLast = function(opts, fwd) {
var hops, l = opts.lastSlide, c = opts.currSlide;
if (fwd)
hops = c > l ? c - l : opts.slideCount - l;
else
hops = c < l ? l - c : l + opts.slideCount - c;
return hops;
};
// fix clearType problems in ie6 by setting an explicit bg color
// (otherwise text slides look horrible during a fade transition)
function clearTypeFix($slides) {
debug('applying clearType background-color hack');
function hex(s) {
s = parseInt(s,10).toString(16);
return s.length < 2 ? '0'+s : s;
}
function getBg(e) {
for ( ; e && e.nodeName.toLowerCase() != 'html'; e = e.parentNode) {
var v = $.css(e,'background-color');
if (v && v.indexOf('rgb') >= 0 ) {
var rgb = v.match(/\d+/g);
return '#'+ hex(rgb[0]) + hex(rgb[1]) + hex(rgb[2]);
}
if (v && v != 'transparent')
return v;
}
return '#ffffff';
}
$slides.each(function() { $(this).css('background-color', getBg(this)); });
}
// reset common props before the next transition
$.fn.cycle.commonReset = function(curr,next,opts,w,h,rev) {
$(opts.elements).not(curr).hide();
if (typeof opts.cssBefore.opacity == 'undefined')
opts.cssBefore.opacity = 1;
opts.cssBefore.display = 'block';
if (opts.slideResize && w !== false && next.cycleW > 0)
opts.cssBefore.width = next.cycleW;
if (opts.slideResize && h !== false && next.cycleH > 0)
opts.cssBefore.height = next.cycleH;
opts.cssAfter = opts.cssAfter || {};
opts.cssAfter.display = 'none';
$(curr).css('zIndex',opts.slideCount + (rev === true ? 1 : 0));
$(next).css('zIndex',opts.slideCount + (rev === true ? 0 : 1));
};
// the actual fn for effecting a transition
$.fn.cycle.custom = function(curr, next, opts, cb, fwd, speedOverride) {
var $l = $(curr), $n = $(next);
var speedIn = opts.speedIn, speedOut = opts.speedOut, easeIn = opts.easeIn, easeOut = opts.easeOut;
$n.css(opts.cssBefore);
if (speedOverride) {
if (typeof speedOverride == 'number')
speedIn = speedOut = speedOverride;
else
speedIn = speedOut = 1;
easeIn = easeOut = null;
}
var fn = function() {
$n.animate(opts.animIn, speedIn, easeIn, function() {
cb();
});
};
$l.animate(opts.animOut, speedOut, easeOut, function() {
$l.css(opts.cssAfter);
if (!opts.sync)
fn();
});
if (opts.sync) fn();
};
// transition definitions - only fade is defined here, transition pack defines the rest
$.fn.cycle.transitions = {
fade: function($cont, $slides, opts) {
$slides.not(':eq('+opts.currSlide+')').css('opacity',0);
opts.before.push(function(curr,next,opts) {
$.fn.cycle.commonReset(curr,next,opts);
opts.cssBefore.opacity = 0;
});
opts.animIn = { opacity: 1 };
opts.animOut = { opacity: 0 };
opts.cssBefore = { top: 0, left: 0 };
}
};
$.fn.cycle.ver = function() { return ver; };
// override these globally if you like (they are all optional)
$.fn.cycle.defaults = {
activePagerClass: 'activeSlide', // class name used for the active pager link
after: null, // transition callback (scope set to element that was shown): function(currSlideElement, nextSlideElement, options, forwardFlag)
allowPagerClickBubble: false, // allows or prevents click event on pager anchors from bubbling
animIn: null, // properties that define how the slide animates in
animOut: null, // properties that define how the slide animates out
aspect: false, // preserve aspect ratio during fit resizing, cropping if necessary (must be used with fit option)
autostop: 0, // true to end slideshow after X transitions (where X == slide count)
autostopCount: 0, // number of transitions (optionally used with autostop to define X)
backwards: false, // true to start slideshow at last slide and move backwards through the stack
before: null, // transition callback (scope set to element to be shown): function(currSlideElement, nextSlideElement, options, forwardFlag)
center: null, // set to true to have cycle add top/left margin to each slide (use with width and height options)
cleartype: !$.support.opacity, // true if clearType corrections should be applied (for IE)
cleartypeNoBg: false, // set to true to disable extra cleartype fixing (leave false to force background color setting on slides)
containerResize: 1, // resize container to fit largest slide
containerResizeHeight: 0, // resize containers height to fit the largest slide but leave the width dynamic
continuous: 0, // true to start next transition immediately after current one completes
cssAfter: null, // properties that defined the state of the slide after transitioning out
cssBefore: null, // properties that define the initial state of the slide before transitioning in
delay: 0, // additional delay (in ms) for first transition (hint: can be negative)
easeIn: null, // easing for "in" transition
easeOut: null, // easing for "out" transition
easing: null, // easing method for both in and out transitions
end: null, // callback invoked when the slideshow terminates (use with autostop or nowrap options): function(options)
fastOnEvent: 0, // force fast transitions when triggered manually (via pager or prev/next); value == time in ms
fit: 0, // force slides to fit container
fx: 'fade', // name of transition effect (or comma separated names, ex: 'fade,scrollUp,shuffle')
fxFn: null, // function used to control the transition: function(currSlideElement, nextSlideElement, options, afterCalback, forwardFlag)
height: 'auto', // container height (if the 'fit' option is true, the slides will be set to this height as well)
manualTrump: true, // causes manual transition to stop an active transition instead of being ignored
metaAttr: 'cycle', // data- attribute that holds the option data for the slideshow
next: null, // element, jQuery object, or jQuery selector string for the element to use as event trigger for next slide
nowrap: 0, // true to prevent slideshow from wrapping
onPagerEvent: null, // callback fn for pager events: function(zeroBasedSlideIndex, slideElement)
onPrevNextEvent: null, // callback fn for prev/next events: function(isNext, zeroBasedSlideIndex, slideElement)
pager: null, // element, jQuery object, or jQuery selector string for the element to use as pager container
pagerAnchorBuilder: null, // callback fn for building anchor links: function(index, DOMelement)
pagerEvent: 'click.cycle', // name of event which drives the pager navigation
pause: 0, // true to enable "pause on hover"
pauseOnPagerHover: 0, // true to pause when hovering over pager link
prev: null, // element, jQuery object, or jQuery selector string for the element to use as event trigger for previous slide
prevNextEvent: 'click.cycle',// event which drives the manual transition to the previous or next slide
random: 0, // true for random, false for sequence (not applicable to shuffle fx)
randomizeEffects: 1, // valid when multiple effects are used; true to make the effect sequence random
requeueOnImageNotLoaded: true, // requeue the slideshow if any image slides are not yet loaded
requeueTimeout: 250, // ms delay for requeue
rev: 0, // causes animations to transition in reverse (for effects that support it such as scrollHorz/scrollVert/shuffle)
shuffle: null, // coords for shuffle animation, ex: { top:15, left: 200 }
skipInitializationCallbacks: false, // set to true to disable the first before/after callback that occurs prior to any transition
slideExpr: null, // expression for selecting slides (if something other than all children is required)
slideResize: 1, // force slide width/height to fixed size before every transition
speed: 1000, // speed of the transition (any valid fx speed value)
speedIn: null, // speed of the 'in' transition
speedOut: null, // speed of the 'out' transition
startingSlide: undefined,// zero-based index of the first slide to be displayed
sync: 1, // true if in/out transitions should occur simultaneously
timeout: 4000, // milliseconds between slide transitions (0 to disable auto advance)
timeoutFn: null, // callback for determining per-slide timeout value: function(currSlideElement, nextSlideElement, options, forwardFlag)
updateActivePagerLink: null,// callback fn invoked to update the active pager link (adds/removes activePagerClass style)
width: null // container width (if the 'fit' option is true, the slides will be set to this width as well)
};
})(jQuery);
/*!
* jQuery Cycle Plugin Transition Definitions
* This script is a plugin for the jQuery Cycle Plugin
* Examples and documentation at: http://malsup.com/jquery/cycle/
* Copyright (c) 2007-2010 M. Alsup
* Version: 2.73
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*/
(function($) {
"use strict";
//
// These functions define slide initialization and properties for the named
// transitions. To save file size feel free to remove any of these that you
// don't need.
//
$.fn.cycle.transitions.none = function($cont, $slides, opts) {
opts.fxFn = function(curr,next,opts,after){
$(next).show();
$(curr).hide();
after();
};
};
// not a cross-fade, fadeout only fades out the top slide
$.fn.cycle.transitions.fadeout = function($cont, $slides, opts) {
$slides.not(':eq('+opts.currSlide+')').css({ display: 'block', 'opacity': 1 });
opts.before.push(function(curr,next,opts,w,h,rev) {
$(curr).css('zIndex',opts.slideCount + (rev !== true ? 1 : 0));
$(next).css('zIndex',opts.slideCount + (rev !== true ? 0 : 1));
});
opts.animIn.opacity = 1;
opts.animOut.opacity = 0;
opts.cssBefore.opacity = 1;
opts.cssBefore.display = 'block';
opts.cssAfter.zIndex = 0;
};
// scrollUp/Down/Left/Right
$.fn.cycle.transitions.scrollUp = function($cont, $slides, opts) {
$cont.css('overflow','hidden');
opts.before.push($.fn.cycle.commonReset);
var h = $cont.height();
opts.cssBefore.top = h;
opts.cssBefore.left = 0;
opts.cssFirst.top = 0;
opts.animIn.top = 0;
opts.animOut.top = -h;
};
$.fn.cycle.transitions.scrollDown = function($cont, $slides, opts) {
$cont.css('overflow','hidden');
opts.before.push($.fn.cycle.commonReset);
var h = $cont.height();
opts.cssFirst.top = 0;
opts.cssBefore.top = -h;
opts.cssBefore.left = 0;
opts.animIn.top = 0;
opts.animOut.top = h;
};
$.fn.cycle.transitions.scrollLeft = function($cont, $slides, opts) {
$cont.css('overflow','hidden');
opts.before.push($.fn.cycle.commonReset);
var w = $cont.width();
opts.cssFirst.left = 0;
opts.cssBefore.left = w;
opts.cssBefore.top = 0;
opts.animIn.left = 0;
opts.animOut.left = 0-w;
};
$.fn.cycle.transitions.scrollRight = function($cont, $slides, opts) {
$cont.css('overflow','hidden');
opts.before.push($.fn.cycle.commonReset);
var w = $cont.width();
opts.cssFirst.left = 0;
opts.cssBefore.left = -w;
opts.cssBefore.top = 0;
opts.animIn.left = 0;
opts.animOut.left = w;
};
$.fn.cycle.transitions.scrollHorz = function($cont, $slides, opts) {
$cont.css('overflow','hidden').width();
opts.before.push(function(curr, next, opts, fwd) {
if (opts.rev)
fwd = !fwd;
$.fn.cycle.commonReset(curr,next,opts);
opts.cssBefore.left = fwd ? (next.cycleW-1) : (1-next.cycleW);
opts.animOut.left = fwd ? -curr.cycleW : curr.cycleW;
});
opts.cssFirst.left = 0;
opts.cssBefore.top = 0;
opts.animIn.left = 0;
opts.animOut.top = 0;
};
$.fn.cycle.transitions.scrollVert = function($cont, $slides, opts) {
$cont.css('overflow','hidden');
opts.before.push(function(curr, next, opts, fwd) {
if (opts.rev)
fwd = !fwd;
$.fn.cycle.commonReset(curr,next,opts);
opts.cssBefore.top = fwd ? (1-next.cycleH) : (next.cycleH-1);
opts.animOut.top = fwd ? curr.cycleH : -curr.cycleH;
});
opts.cssFirst.top = 0;
opts.cssBefore.left = 0;
opts.animIn.top = 0;
opts.animOut.left = 0;
};
// slideX/slideY
$.fn.cycle.transitions.slideX = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$(opts.elements).not(curr).hide();
$.fn.cycle.commonReset(curr,next,opts,false,true);
opts.animIn.width = next.cycleW;
});
opts.cssBefore.left = 0;
opts.cssBefore.top = 0;
opts.cssBefore.width = 0;
opts.animIn.width = 'show';
opts.animOut.width = 0;
};
$.fn.cycle.transitions.slideY = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$(opts.elements).not(curr).hide();
$.fn.cycle.commonReset(curr,next,opts,true,false);
opts.animIn.height = next.cycleH;
});
opts.cssBefore.left = 0;
opts.cssBefore.top = 0;
opts.cssBefore.height = 0;
opts.animIn.height = 'show';
opts.animOut.height = 0;
};
// shuffle
$.fn.cycle.transitions.shuffle = function($cont, $slides, opts) {
var i, w = $cont.css('overflow', 'visible').width();
$slides.css({left: 0, top: 0});
opts.before.push(function(curr,next,opts) {
$.fn.cycle.commonReset(curr,next,opts,true,true,true);
});
// only adjust speed once!
if (!opts.speedAdjusted) {
opts.speed = opts.speed / 2; // shuffle has 2 transitions
opts.speedAdjusted = true;
}
opts.random = 0;
opts.shuffle = opts.shuffle || {left:-w, top:15};
opts.els = [];
for (i=0; i < $slides.length; i++)
opts.els.push($slides[i]);
for (i=0; i < opts.currSlide; i++)
opts.els.push(opts.els.shift());
// custom transition fn (hat tip to Benjamin Sterling for this bit of sweetness!)
opts.fxFn = function(curr, next, opts, cb, fwd) {
if (opts.rev)
fwd = !fwd;
var $el = fwd ? $(curr) : $(next);
$(next).css(opts.cssBefore);
var count = opts.slideCount;
$el.animate(opts.shuffle, opts.speedIn, opts.easeIn, function() {
var hops = $.fn.cycle.hopsFromLast(opts, fwd);
for (var k=0; k < hops; k++) {
if (fwd)
opts.els.push(opts.els.shift());
else
opts.els.unshift(opts.els.pop());
}
if (fwd) {
for (var i=0, len=opts.els.length; i < len; i++)
$(opts.els[i]).css('z-index', len-i+count);
}
else {
var z = $(curr).css('z-index');
$el.css('z-index', parseInt(z,10)+1+count);
}
$el.animate({left:0, top:0}, opts.speedOut, opts.easeOut, function() {
$(fwd ? this : curr).hide();
if (cb) cb();
});
});
};
$.extend(opts.cssBefore, { display: 'block', opacity: 1, top: 0, left: 0 });
};
// turnUp/Down/Left/Right
$.fn.cycle.transitions.turnUp = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,true,false);
opts.cssBefore.top = next.cycleH;
opts.animIn.height = next.cycleH;
opts.animOut.width = next.cycleW;
});
opts.cssFirst.top = 0;
opts.cssBefore.left = 0;
opts.cssBefore.height = 0;
opts.animIn.top = 0;
opts.animOut.height = 0;
};
$.fn.cycle.transitions.turnDown = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,true,false);
opts.animIn.height = next.cycleH;
opts.animOut.top = curr.cycleH;
});
opts.cssFirst.top = 0;
opts.cssBefore.left = 0;
opts.cssBefore.top = 0;
opts.cssBefore.height = 0;
opts.animOut.height = 0;
};
$.fn.cycle.transitions.turnLeft = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,false,true);
opts.cssBefore.left = next.cycleW;
opts.animIn.width = next.cycleW;
});
opts.cssBefore.top = 0;
opts.cssBefore.width = 0;
opts.animIn.left = 0;
opts.animOut.width = 0;
};
$.fn.cycle.transitions.turnRight = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,false,true);
opts.animIn.width = next.cycleW;
opts.animOut.left = curr.cycleW;
});
$.extend(opts.cssBefore, { top: 0, left: 0, width: 0 });
opts.animIn.left = 0;
opts.animOut.width = 0;
};
// zoom
$.fn.cycle.transitions.zoom = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,false,false,true);
opts.cssBefore.top = next.cycleH/2;
opts.cssBefore.left = next.cycleW/2;
$.extend(opts.animIn, { top: 0, left: 0, width: next.cycleW, height: next.cycleH });
$.extend(opts.animOut, { width: 0, height: 0, top: curr.cycleH/2, left: curr.cycleW/2 });
});
opts.cssFirst.top = 0;
opts.cssFirst.left = 0;
opts.cssBefore.width = 0;
opts.cssBefore.height = 0;
};
// fadeZoom
$.fn.cycle.transitions.fadeZoom = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,false,false);
opts.cssBefore.left = next.cycleW/2;
opts.cssBefore.top = next.cycleH/2;
$.extend(opts.animIn, { top: 0, left: 0, width: next.cycleW, height: next.cycleH });
});
opts.cssBefore.width = 0;
opts.cssBefore.height = 0;
opts.animOut.opacity = 0;
};
// blindX
$.fn.cycle.transitions.blindX = function($cont, $slides, opts) {
var w = $cont.css('overflow','hidden').width();
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts);
opts.animIn.width = next.cycleW;
opts.animOut.left = curr.cycleW;
});
opts.cssBefore.left = w;
opts.cssBefore.top = 0;
opts.animIn.left = 0;
opts.animOut.left = w;
};
// blindY
$.fn.cycle.transitions.blindY = function($cont, $slides, opts) {
var h = $cont.css('overflow','hidden').height();
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts);
opts.animIn.height = next.cycleH;
opts.animOut.top = curr.cycleH;
});
opts.cssBefore.top = h;
opts.cssBefore.left = 0;
opts.animIn.top = 0;
opts.animOut.top = h;
};
// blindZ
$.fn.cycle.transitions.blindZ = function($cont, $slides, opts) {
var h = $cont.css('overflow','hidden').height();
var w = $cont.width();
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts);
opts.animIn.height = next.cycleH;
opts.animOut.top = curr.cycleH;
});
opts.cssBefore.top = h;
opts.cssBefore.left = w;
opts.animIn.top = 0;
opts.animIn.left = 0;
opts.animOut.top = h;
opts.animOut.left = w;
};
// growX - grow horizontally from centered 0 width
$.fn.cycle.transitions.growX = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,false,true);
opts.cssBefore.left = this.cycleW/2;
opts.animIn.left = 0;
opts.animIn.width = this.cycleW;
opts.animOut.left = 0;
});
opts.cssBefore.top = 0;
opts.cssBefore.width = 0;
};
// growY - grow vertically from centered 0 height
$.fn.cycle.transitions.growY = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,true,false);
opts.cssBefore.top = this.cycleH/2;
opts.animIn.top = 0;
opts.animIn.height = this.cycleH;
opts.animOut.top = 0;
});
opts.cssBefore.height = 0;
opts.cssBefore.left = 0;
};
// curtainX - squeeze in both edges horizontally
$.fn.cycle.transitions.curtainX = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,false,true,true);
opts.cssBefore.left = next.cycleW/2;
opts.animIn.left = 0;
opts.animIn.width = this.cycleW;
opts.animOut.left = curr.cycleW/2;
opts.animOut.width = 0;
});
opts.cssBefore.top = 0;
opts.cssBefore.width = 0;
};
// curtainY - squeeze in both edges vertically
$.fn.cycle.transitions.curtainY = function($cont, $slides, opts) {
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,true,false,true);
opts.cssBefore.top = next.cycleH/2;
opts.animIn.top = 0;
opts.animIn.height = next.cycleH;
opts.animOut.top = curr.cycleH/2;
opts.animOut.height = 0;
});
opts.cssBefore.height = 0;
opts.cssBefore.left = 0;
};
// cover - curr slide covered by next slide
$.fn.cycle.transitions.cover = function($cont, $slides, opts) {
var d = opts.direction || 'left';
var w = $cont.css('overflow','hidden').width();
var h = $cont.height();
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts);
opts.cssAfter.display = '';
if (d == 'right')
opts.cssBefore.left = -w;
else if (d == 'up')
opts.cssBefore.top = h;
else if (d == 'down')
opts.cssBefore.top = -h;
else
opts.cssBefore.left = w;
});
opts.animIn.left = 0;
opts.animIn.top = 0;
opts.cssBefore.top = 0;
opts.cssBefore.left = 0;
};
// uncover - curr slide moves off next slide
$.fn.cycle.transitions.uncover = function($cont, $slides, opts) {
var d = opts.direction || 'left';
var w = $cont.css('overflow','hidden').width();
var h = $cont.height();
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,true,true,true);
if (d == 'right')
opts.animOut.left = w;
else if (d == 'up')
opts.animOut.top = -h;
else if (d == 'down')
opts.animOut.top = h;
else
opts.animOut.left = -w;
});
opts.animIn.left = 0;
opts.animIn.top = 0;
opts.cssBefore.top = 0;
opts.cssBefore.left = 0;
};
// toss - move top slide and fade away
$.fn.cycle.transitions.toss = function($cont, $slides, opts) {
var w = $cont.css('overflow','visible').width();
var h = $cont.height();
opts.before.push(function(curr, next, opts) {
$.fn.cycle.commonReset(curr,next,opts,true,true,true);
// provide default toss settings if animOut not provided
if (!opts.animOut.left && !opts.animOut.top)
$.extend(opts.animOut, { left: w*2, top: -h/2, opacity: 0 });
else
opts.animOut.opacity = 0;
});
opts.cssBefore.left = 0;
opts.cssBefore.top = 0;
opts.animIn.left = 0;
};
// wipe - clip animation
$.fn.cycle.transitions.wipe = function($cont, $slides, opts) {
var w = $cont.css('overflow','hidden').width();
var h = $cont.height();
opts.cssBefore = opts.cssBefore || {};
var clip;
if (opts.clip) {
if (/l2r/.test(opts.clip))
clip = 'rect(0px 0px '+h+'px 0px)';
else if (/r2l/.test(opts.clip))
clip = 'rect(0px '+w+'px '+h+'px '+w+'px)';
else if (/t2b/.test(opts.clip))
clip = 'rect(0px '+w+'px 0px 0px)';
else if (/b2t/.test(opts.clip))
clip = 'rect('+h+'px '+w+'px '+h+'px 0px)';
else if (/zoom/.test(opts.clip)) {
var top = parseInt(h/2,10);
var left = parseInt(w/2,10);
clip = 'rect('+top+'px '+left+'px '+top+'px '+left+'px)';
}
}
opts.cssBefore.clip = opts.cssBefore.clip || clip || 'rect(0px 0px 0px 0px)';
var d = opts.cssBefore.clip.match(/(\d+)/g);
var t = parseInt(d[0],10), r = parseInt(d[1],10), b = parseInt(d[2],10), l = parseInt(d[3],10);
opts.before.push(function(curr, next, opts) {
if (curr == next) return;
var $curr = $(curr), $next = $(next);
$.fn.cycle.commonReset(curr,next,opts,true,true,false);
opts.cssAfter.display = 'block';
var step = 1, count = parseInt((opts.speedIn / 13),10) - 1;
(function f() {
var tt = t ? t - parseInt(step * (t/count),10) : 0;
var ll = l ? l - parseInt(step * (l/count),10) : 0;
var bb = b < h ? b + parseInt(step * ((h-b)/count || 1),10) : h;
var rr = r < w ? r + parseInt(step * ((w-r)/count || 1),10) : w;
$next.css({ clip: 'rect('+tt+'px '+rr+'px '+bb+'px '+ll+'px)' });
(step++ <= count) ? setTimeout(f, 13) : $curr.css('display', 'none');
})();
});
$.extend(opts.cssBefore, { display: 'block', opacity: 1, top: 0, left: 0 });
opts.animIn = { left: 0 };
opts.animOut = { left: 0 };
};
})(jQuery);
;
// WARNING: This file is distributed verbatim in Jetpack. @hide-in-jetpack
function JetpackSlideshow( element, width, height, transition ) {
this.element = element;
this.images = [];
this.controls = {};
this.transition = transition || 'fade';
var currentWidth = this.element.width();
if ( !width || width > currentWidth )
width = currentWidth;
this.width = width;
this.height = height;
this.element.css( {
'height': this.height + 'px'
} );
}
JetpackSlideshow.prototype.showLoadingImage = function( toggle ) {
if ( toggle ) {
this.loadingImage_ = document.createElement( 'div' );
this.loadingImage_.className = 'slideshow-loading';
var img = document.createElement( 'img' );
img.src = jetpackSlideshowSettings.spinner;
this.loadingImage_.appendChild( img );
this.loadingImage_.appendChild( this.makeZeroWidthSpan() );
this.loadingImage_.style.lineHeight = this.height + 'px';
this.element.append( this.loadingImage_ );
} else if ( this.loadingImage_ ) {
this.loadingImage_.parentNode.removeChild( this.loadingImage_ );
this.loadingImage_ = null;
}
};
JetpackSlideshow.prototype.init = function() {
this.showLoadingImage(true);
var self = this;
// Set up DOM.
for ( var i = 0; i < this.images.length; i++ ) {
var imageInfo = this.images[i];
var img = document.createElement( 'img' );
img.src = imageInfo.src + '?w=' + this.width;
img.align = 'middle';
var caption = document.createElement( 'div' );
caption.className = 'slideshow-slide-caption';
caption.innerHTML = imageInfo.caption;
var container = document.createElement('div');
container.className = 'slideshow-slide';
container.style.lineHeight = this.height + 'px';
// Hide loading image once first image has loaded.
if ( i == 0 ) {
if ( img.complete ) {
// IE, image in cache
setTimeout( function() {
self.finishInit_();
}, 1);
} else {
jQuery( img ).load(function() {
self.finishInit_();
});
}
}
container.appendChild( img );
// I'm not sure where these were coming from, but IE adds
// bad values for width/height for portrait-mode images
img.removeAttribute('width');
img.removeAttribute('height');
container.appendChild( this.makeZeroWidthSpan() );
container.appendChild( caption );
this.element.append( container );
}
};
JetpackSlideshow.prototype.makeZeroWidthSpan = function() {
var emptySpan = document.createElement( 'span' );
emptySpan.className = 'slideshow-line-height-hack';
// Having a NBSP makes IE act weird during transitions, but other
// browsers ignore a text node with a space in it as whitespace.
if (jQuery.browser.msie) {
emptySpan.appendChild( document.createTextNode(' ') );
} else {
emptySpan.innerHTML = ' ';
}
return emptySpan;
};
JetpackSlideshow.prototype.finishInit_ = function() {
this.showLoadingImage( false );
this.renderControls_();
var self = this;
// Initialize Cycle instance.
this.element.cycle( {
fx: this.transition,
prev: this.controls.prev,
next: this.controls.next,
slideExpr: '.slideshow-slide',
onPrevNextEvent: function() {
return self.onCyclePrevNextClick_.apply( self, arguments );
}
} );
var slideshow = this.element;
jQuery( this.controls['stop'] ).click( function() {
var button = jQuery(this);
if ( ! button.hasClass( 'paused' ) ) {
slideshow.cycle( 'pause' );
button.removeClass( 'running' );
button.addClass( 'paused' );
} else {
button.addClass( 'running' );
button.removeClass( 'paused' );
slideshow.cycle( 'resume', true );
}
return false;
} );
var controls = jQuery( this.controlsDiv_ );
slideshow.mouseenter( function() {
controls.fadeIn();
} );
slideshow.mouseleave( function() {
controls.fadeOut();
} );
this.initialized_ = true;
};
JetpackSlideshow.prototype.renderControls_ = function() {
if ( this.controlsDiv_ )
return;
var controlsDiv = document.createElement( 'div' );
controlsDiv.className = 'slideshow-controls';
controls = [ 'prev', 'stop', 'next' ];
for ( var i = 0; i < controls.length; i++ ) {
var controlName = controls[i];
var a = document.createElement( 'a' );
a.href = '#';
controlsDiv.appendChild( a );
this.controls[controlName] = a;
}
this.element.append( controlsDiv );
this.controlsDiv_ = controlsDiv;
};
JetpackSlideshow.prototype.onCyclePrevNextClick_ = function( isNext, i, slideElement ) {
// If blog_id not present don't track page views
if ( ! jetpackSlideshowSettings.blog_id )
return;
var postid = this.images[i].id;
var stats = new Image();
stats.src = document.location.protocol +
'//stats.wordpress.com/g.gif?host=' +
escape( document.location.host ) +
'&rand=' + Math.random() +
'&blog=' + jetpackSlideshowSettings.blog_id +
'&subd=' + jetpackSlideshowSettings.blog_subdomain +
'&user_id=' + jetpackSlideshowSettings.user_id +
'&post=' + postid +
'&ref=' + escape( document.location );
};
( function ( $ ) {
function jetpack_slideshow_init() {
$( '.jetpack-slideshow-noscript' ).remove();
$( '.jetpack-slideshow' ).each( function () {
var container = $( this );
if ( container.data( 'processed' ) )
return;
var slideshow = new JetpackSlideshow( container, container.data( 'width' ), container.data( 'height' ), container.data( 'trans' ) );
slideshow.images = container.data( 'gallery' );
slideshow.init();
container.data( 'processed', true );
} );
}
$( document ).ready( jetpack_slideshow_init );
$( 'body' ).on( 'post-load', jetpack_slideshow_init );
} )( jQuery );;