agenda-libre-ruby/public/webshims/shims/picture.js
2015-01-21 16:03:20 +01:00

523 lines
23 KiB
JavaScript

/*! respimage - v1.2.1 - 2014-12-23
Licensed MIT */
!function(window, document, undefined) {
"use strict";
function trim(str) {
return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, "");
}
function updateMetrics() {
var dprM;
isVwDirty = !1, DPR = window.devicePixelRatio, cssCache = {}, sizeLengthCache = {},
dprM = (DPR || 1) * cfg.xQuant, cfg.uT || (cfg.maxX = Math.max(1.3, cfg.maxX), dprM = Math.min(dprM, cfg.maxX),
ri.DPR = dprM), units.width = Math.max(window.innerWidth || 0, docElem.clientWidth),
units.height = Math.max(window.innerHeight || 0, docElem.clientHeight), units.vw = units.width / 100,
units.vh = units.height / 100, units.em = ri.getEmValue(), units.rem = units.em,
lazyFactor = cfg.lazyFactor / 2, lazyFactor = lazyFactor * dprM + lazyFactor, substractCurRes = .1 * dprM,
lowTreshHold = .5 + .2 * dprM, partialLowTreshHold = .5 + .25 * dprM, tMemory = dprM + 1.3,
(isLandscape = units.width > units.height) || (lazyFactor *= .9), supportAbort && (lazyFactor *= .9);
}
function chooseLowRes(lowRes, diff, dpr) {
var add = diff * Math.pow(lowRes, 2);
return isLandscape || (add /= 1.3), lowRes += add, lowRes > dpr;
}
function inView(el) {
if (!el.getBoundingClientRect) return !0;
var bottom, right, left, top, rect = el.getBoundingClientRect();
return !!((bottom = rect.bottom) >= -9 && (top = rect.top) <= units.height + 9 && (right = rect.right) >= -9 && (left = rect.left) <= units.height + 9 && (bottom || right || left || top));
}
function applyBestCandidate(img) {
var srcSetCandidates, matchingSet = ri.getSet(img), evaluated = !1;
"pending" != matchingSet && (evaluated = !0, matchingSet && (srcSetCandidates = ri.setRes(matchingSet),
evaluated = ri.applySetCandidate(srcSetCandidates, img))), img[ri.ns].evaled = evaluated;
}
function ascendingSort(a, b) {
return a.res - b.res;
}
function setSrcToCur(img, src, set) {
var candidate;
return !set && src && (set = img[ri.ns].sets, set = set && set[set.length - 1]),
candidate = getCandidateForSrc(src, set), candidate && (src = ri.makeUrl(src), img[ri.ns].curSrc = src,
img[ri.ns].curCan = candidate, candidate.res || setResolution(candidate, candidate.set.sizes)),
candidate;
}
function getCandidateForSrc(src, set) {
var i, candidate, candidates;
if (src && set) for (candidates = ri.parseSet(set), src = ri.makeUrl(src), i = 0; i < candidates.length; i++) if (src == ri.makeUrl(candidates[i].url)) {
candidate = candidates[i];
break;
}
return candidate;
}
function getAllSourceElements(picture, candidates) {
var i, len, source, srcset, sources = picture.getElementsByTagName("source");
for (i = 0, len = sources.length; len > i; i++) source = sources[i], source[ri.ns] = !0,
srcset = source.getAttribute("srcset"), srcset && candidates.push({
srcset: srcset,
media: source.getAttribute("media"),
type: source.getAttribute("type"),
sizes: source.getAttribute("sizes")
});
}
document.createElement("picture");
var lowTreshHold, partialLowTreshHold, isLandscape, lazyFactor, tMemory, substractCurRes, eminpx, alwaysCheckWDescriptor, resizeThrottle, ri = {}, noop = function() {}, image = document.createElement("img"), getImgAttr = image.getAttribute, setImgAttr = image.setAttribute, removeImgAttr = image.removeAttribute, docElem = document.documentElement, types = {}, cfg = {
xQuant: 1,
lazyFactor: .4,
maxX: 2
}, srcAttr = "data-risrc", srcsetAttr = srcAttr + "set", reflowBug = "webkitBackfaceVisibility" in docElem.style, ua = navigator.userAgent, supportNativeLQIP = /AppleWebKit/i.test(ua), supportAbort = /rident/.test(ua) || /ecko/.test(ua) && ua.match(/rv\:(\d+)/) && RegExp.$1 > 35, imgAbortCount = 0, curSrcProp = "currentSrc", regWDesc = /\s+\+?\d+(e\d+)?w/, regSize = /(\([^)]+\))?\s*(.+)/, regDescriptor = /^([\+eE\d\.]+)(w|x)$/, regHDesc = /\s*\d+h\s*/, setOptions = window.respimgCFG, baseStyle = ("https:" == location.protocol,
"position:absolute;left:0;visibility:hidden;display:block;padding:0;border:none;font-size:1em;width:1em;overflow:hidden;clip:rect(0px, 0px, 0px, 0px)"), fsCss = "font-size:100%!important;", isVwDirty = !0, cssCache = {}, sizeLengthCache = {}, DPR = window.devicePixelRatio, units = {
px: 1,
"in": 96
}, anchor = document.createElement("a"), alreadyRun = !1, on = function(obj, evt, fn, capture) {
obj.addEventListener ? obj.addEventListener(evt, fn, capture || !1) : obj.attachEvent && obj.attachEvent("on" + evt, fn);
}, off = function(obj, evt, fn, capture) {
obj.removeEventListener ? obj.removeEventListener(evt, fn, capture || !1) : obj.detachEvent && obj.detachEvent("on" + evt, fn);
}, memoize = function(fn) {
var cache = {};
return function(input) {
return input in cache || (cache[input] = fn(input)), cache[input];
};
}, evalCSS = function() {
var regLength = /^([\d\.]+)(em|vw|px)$/, replace = function() {
for (var args = arguments, index = 0, string = args[0]; ++index in args; ) string = string.replace(args[index], args[++index]);
return string;
}, buidlStr = memoize(function(css) {
return "return " + replace((css || "").toLowerCase(), /\band\b/g, "&&", /,/g, "||", /min-([a-z-\s]+):/g, "e.$1>=", /max-([a-z-\s]+):/g, "e.$1<=", /calc([^)]+)/g, "($1)", /(\d+[\.]*[\d]*)([a-z]+)/g, "($1 * e.$2)", /^(?!(e.[a-z]|[0-9\.&=|><\+\-\*\(\)\/])).*/gi, "");
});
return function(css, length) {
var parsedLength;
if (!(css in cssCache)) if (cssCache[css] = !1, length && (parsedLength = css.match(regLength))) cssCache[css] = parsedLength[1] * units[parsedLength[2]]; else try {
cssCache[css] = new Function("e", buidlStr(css))(units);
} catch (e) {}
return cssCache[css];
};
}(), setResolution = function(candidate, sizesattr) {
return candidate.w ? (candidate.cWidth = ri.calcListLength(sizesattr || "100vw"),
candidate.res = candidate.w / candidate.cWidth) : candidate.res = candidate.x, candidate;
}, respimage = function(opt) {
var elements, i, plen, options = opt || {};
if (options.elements && 1 == options.elements.nodeType && ("IMG" == options.elements.nodeName.toUpperCase() ? options.elements = [ options.elements ] : (options.context = options.elements,
options.elements = null)), elements = options.elements || ri.qsa(options.context || document, options.reevaluate || options.reparse ? ri.sel : ri.selShort),
plen = elements.length) {
for (ri.setupRun(options), alreadyRun = !0, i = 0; plen > i; i++) imgAbortCount++,
6 > imgAbortCount && !elements[i].complete && imgAbortCount++, ri.fillImg(elements[i], options);
ri.teardownRun(options), imgAbortCount++;
}
}, reevaluateAfterLoad = function() {
var onload = function() {
off(this, "load", onload), off(this, "error", onload), ri.fillImgs({
elements: [ this ]
});
};
return function(img) {
off(img, "load", onload), off(img, "error", onload), on(img, "error", onload), on(img, "load", onload);
};
}(), parseDescriptor = memoize(function(descriptor) {
var descriptorObj = [ 1, "x" ], parsedDescriptor = trim(descriptor || "");
return parsedDescriptor && (parsedDescriptor = parsedDescriptor.replace(regHDesc, ""),
descriptorObj = parsedDescriptor.match(regDescriptor) ? [ 1 * RegExp.$1, RegExp.$2 ] : !1),
descriptorObj;
});
curSrcProp in image || (curSrcProp = "src"), types["image/jpeg"] = !0, types["image/gif"] = !0,
types["image/png"] = !0, types["image/svg+xml"] = document.implementation.hasFeature("http://wwwindow.w3.org/TR/SVG11/feature#Image", "1.1"),
ri.ns = ("ri" + new Date().getTime()).substr(0, 9), ri.supSrcset = "srcset" in image,
ri.supSizes = "sizes" in image, ri.selShort = "picture>img,img[srcset]", ri.sel = ri.selShort,
ri.cfg = cfg, ri.supSrcset && (ri.sel += ",img[" + srcsetAttr + "]"), ri.DPR = DPR || 1,
ri.u = units, ri.types = types, alwaysCheckWDescriptor = ri.supSrcset && !ri.supSizes,
ri.setSize = noop, ri.makeUrl = memoize(function(src) {
return anchor.href = src, anchor.href;
}), ri.qsa = function(context, sel) {
return context.querySelectorAll(sel);
}, ri.matchesMedia = function() {
return ri.matchesMedia = window.matchMedia && (matchMedia("(min-width: 0.1em)") || {}).matches ? function(media) {
return !media || matchMedia(media).matches;
} : ri.mMQ, ri.matchesMedia.apply(this, arguments);
}, ri.mMQ = function(media) {
return media ? evalCSS(media) : !0;
}, ri.calcLength = function(sourceSizeValue) {
var value = evalCSS(sourceSizeValue, !0) || !1;
return 0 > value && (value = !1), value;
}, ri.supportsType = function(type) {
return type ? types[type] : !0;
}, ri.parseSize = memoize(function(sourceSizeStr) {
var match = (sourceSizeStr || "").match(regSize);
return {
media: match && match[1],
length: match && match[2]
};
}), ri.parseSet = function(set) {
if (!set.cands) {
var pos, url, descriptor, last, descpos, can, srcset = set.srcset;
for (set.cands = []; srcset; ) srcset = srcset.replace(/^\s+/g, ""), pos = srcset.search(/\s/g),
descriptor = null, -1 != pos ? (url = srcset.slice(0, pos), last = url.charAt(url.length - 1),
"," != last && url || (url = url.replace(/,+$/, ""), descriptor = ""), srcset = srcset.slice(pos + 1),
null == descriptor && (descpos = srcset.indexOf(","), -1 != descpos ? (descriptor = srcset.slice(0, descpos),
srcset = srcset.slice(descpos + 1)) : (descriptor = srcset, srcset = ""))) : (url = srcset,
srcset = ""), url && (descriptor = parseDescriptor(descriptor)) && (can = {
url: url.replace(/^,+/, ""),
set: set
}, can[descriptor[1]] = descriptor[0], "x" == descriptor[1] && 1 == descriptor[0] && (set.has1x = !0),
set.cands.push(can));
}
return set.cands;
}, ri.getEmValue = function() {
var body;
if (!eminpx && (body = document.body)) {
var div = document.createElement("div"), originalHTMLCSS = docElem.style.cssText, originalBodyCSS = body.style.cssText;
div.style.cssText = baseStyle, docElem.style.cssText = fsCss, body.style.cssText = fsCss,
body.appendChild(div), eminpx = div.offsetWidth, body.removeChild(div), eminpx = parseFloat(eminpx, 10),
docElem.style.cssText = originalHTMLCSS, body.style.cssText = originalBodyCSS;
}
return eminpx || 16;
}, ri.calcListLength = function(sourceSizeListStr) {
if (!(sourceSizeListStr in sizeLengthCache) || cfg.uT) {
var sourceSize, parsedSize, length, media, i, len, sourceSizeList = trim(sourceSizeListStr).split(/\s*,\s*/), winningLength = !1;
for (i = 0, len = sourceSizeList.length; len > i && (sourceSize = sourceSizeList[i],
parsedSize = ri.parseSize(sourceSize), length = parsedSize.length, media = parsedSize.media,
!length || !ri.matchesMedia(media) || (winningLength = ri.calcLength(length)) === !1); i++) ;
sizeLengthCache[sourceSizeListStr] = winningLength ? winningLength : units.width;
}
return sizeLengthCache[sourceSizeListStr];
}, ri.setRes = function(set) {
var candidates;
if (set) {
candidates = ri.parseSet(set);
for (var i = 0, len = candidates.length; len > i; i++) setResolution(candidates[i], set.sizes);
}
return candidates;
}, ri.setRes.res = setResolution, ri.applySetCandidate = function(candidates, img) {
if (candidates.length) {
var candidate, dpr, i, j, diff, length, bestCandidate, curSrc, curCan, isSameSet, candidateSrc, abortCurSrc, oldRes, imageData = img[ri.ns], evaled = !0, lazyF = lazyFactor, sub = substractCurRes;
if (curSrc = imageData.curSrc || img[curSrcProp], curCan = imageData.curCan || setSrcToCur(img, curSrc, candidates[0].set),
dpr = ri.DPR, oldRes = curCan && curCan.res, !bestCandidate && curSrc && (abortCurSrc = supportAbort && !img.complete && curCan && oldRes > dpr,
abortCurSrc || curCan && !(tMemory > oldRes) || (curCan && dpr > oldRes && oldRes > lowTreshHold && (partialLowTreshHold > oldRes && (lazyF *= .87,
sub += .04 * dpr), curCan.res += lazyF * Math.pow(oldRes - sub, 2)), isSameSet = !imageData.pic || curCan && curCan.set == candidates[0].set,
curCan && isSameSet && curCan.res >= dpr ? bestCandidate = curCan : supportNativeLQIP || img.complete || !getImgAttr.call(img, "src") || img.lazyload || supportAbort && !(5 > imgAbortCount) || !isSameSet && inView(img) || (bestCandidate = curCan,
candidateSrc = curSrc, evaled = "L", reevaluateAfterLoad(img)))), !bestCandidate) for (oldRes && (curCan.res = curCan.res - (curCan.res - oldRes) / 2),
candidates.sort(ascendingSort), length = candidates.length, bestCandidate = candidates[length - 1],
i = 0; length > i; i++) if (candidate = candidates[i], candidate.res >= dpr) {
j = i - 1, bestCandidate = candidates[j] && (diff = candidate.res - dpr) && (abortCurSrc || curSrc != ri.makeUrl(candidate.url)) && chooseLowRes(candidates[j].res, diff, dpr) ? candidates[j] : candidate;
break;
}
return oldRes && (curCan.res = oldRes), bestCandidate && (candidateSrc = ri.makeUrl(bestCandidate.url),
imageData.curSrc = candidateSrc, imageData.curCan = bestCandidate, candidateSrc != curSrc && ri.setSrc(img, bestCandidate),
ri.setSize(img)), evaled;
}
}, ri.setSrc = function(img, bestCandidate) {
var origStyle;
img.src = bestCandidate.url, reflowBug && (origStyle = img.style.zoom, img.style.zoom = "0.999",
img.style.zoom = origStyle);
}, ri.getSet = function(img) {
var i, set, supportsType, match = !1, sets = img[ri.ns].sets;
for (i = 0; i < sets.length && !match; i++) if (set = sets[i], set.srcset && ri.matchesMedia(set.media) && (supportsType = ri.supportsType(set.type))) {
"pending" == supportsType && (set = supportsType), match = set;
break;
}
return match;
}, ri.parseSets = function(element, parent) {
var srcsetAttribute, imageSet, isWDescripor, srcsetParsed, hasPicture = "PICTURE" == parent.nodeName.toUpperCase(), imageData = element[ri.ns];
imageData.src === undefined && (imageData.src = getImgAttr.call(element, "src"),
imageData.src ? setImgAttr.call(element, srcAttr, imageData.src) : removeImgAttr.call(element, srcAttr)),
imageData.srcset === undefined && (srcsetAttribute = getImgAttr.call(element, "srcset"),
imageData.srcset = srcsetAttribute, srcsetParsed = !0), imageData.sets = [], hasPicture && (imageData.pic = !0,
getAllSourceElements(parent, imageData.sets)), imageData.srcset ? (imageSet = {
srcset: imageData.srcset,
sizes: getImgAttr.call(element, "sizes")
}, imageData.sets.push(imageSet), isWDescripor = (alwaysCheckWDescriptor || imageData.src) && regWDesc.test(imageData.srcset || ""),
isWDescripor || !imageData.src || getCandidateForSrc(imageData.src, imageSet) || imageSet.has1x || (imageSet.srcset += ", " + imageData.src,
imageSet.cands.push({
url: imageData.src,
x: 1,
set: imageSet
}))) : imageData.src && imageData.sets.push({
srcset: imageData.src,
sizes: null
}), imageData.curCan = null, imageData.supported = !(hasPicture || imageSet && !ri.supSrcset || isWDescripor),
srcsetParsed && ri.supSrcset && !imageData.supported && (srcsetAttribute ? (setImgAttr.call(element, srcsetAttr, srcsetAttribute),
element.srcset = "") : removeImgAttr.call(element, srcsetAttr)), imageData.supported && !imageData.srcset && (!imageData.src && element.src || element.src != ri.makeUrl(imageData.src)) && (null == imageData.src ? element.removeAttribute("src") : element.src = imageData.src),
imageData.parsed = !0;
}, ri.fillImg = function(element, options) {
var parent, imageData, extreme = options.reparse || options.reevaluate;
if (element[ri.ns] || (element[ri.ns] = {}), imageData = element[ri.ns], "L" == imageData.evaled && element.complete && (imageData.evaled = !1),
extreme || !imageData.evaled) {
if (!imageData.parsed || options.reparse) {
if (parent = element.parentNode, !parent) return;
ri.parseSets(element, parent, options);
}
imageData.supported ? imageData.evaled = !0 : applyBestCandidate(element);
}
}, ri.setupRun = function(options) {
(!alreadyRun || options.reevaluate || isVwDirty) && (updateMetrics(), options.elements || options.context || clearTimeout(resizeThrottle));
}, window.HTMLPictureElement ? (respimage = noop, ri.fillImg = noop) : !function() {
var isDomReady, regReady = window.attachEvent ? /d$|^c/ : /d$|^c|^i/, run = function() {
var readyState = document.readyState || "";
timerId = setTimeout(run, "loading" == readyState ? 200 : 999), document.body && (isDomReady = isDomReady || regReady.test(readyState),
ri.fillImgs(), isDomReady && (imgAbortCount += 6, clearTimeout(timerId)));
}, resizeEval = function() {
ri.fillImgs({
reevaluate: !0
});
}, onResize = function() {
clearTimeout(resizeThrottle), isVwDirty = !0, resizeThrottle = setTimeout(resizeEval, 99);
}, timerId = setTimeout(run, document.body ? 9 : 99);
on(window, "resize", onResize), on(document, "readystatechange", run);
}(), ri.respimage = respimage, ri.fillImgs = respimage, ri.teardownRun = noop, respimage._ = ri,
window.respimage = respimage, window.respimgCFG = {
ri: ri,
push: function(args) {
var name = args.shift();
"function" == typeof ri[name] ? ri[name].apply(ri, args) : (cfg[name] = args[0],
alreadyRun && ri.fillImgs({
reevaluate: !0
}));
}
};
for (;setOptions && setOptions.length; ) window.respimgCFG.push(setOptions.shift());
}(window, document);
(function( factory ) {
"use strict";
var interValId;
var intervalIndex = 0;
var run = function(){
if ( window.respimage ) {
factory( window.respimage );
}
if(window.respimage || intervalIndex > 9999){
clearInterval(interValId);
}
intervalIndex++;
};
interValId = setInterval(run, 8);
run();
}( function( respimage ) {
"use strict";
var ri = respimage._;
var runningTests = 0;
var setTypeValue = function(types, value){
var i;
for(i = 0; i < types.length; i++){
ri.types[types[i]] = value;
}
};
if(window.HTMLPictureElement && !ri.cfg.uT){
respimage.testTypeSupport = function(){};
return;
}
ri.types["image/bmp"] = true;
ri.types["image/x-bmp"] = true;
respimage.testTypeSupport = function(types, url, width, useCanvas){
if(typeof types == "string"){
types = types.split(/\s*\,*\s+/g);
}
var canvas;
var supports = "pending";
var img = document.createElement('img');
var onComplete = function(){
runningTests--;
setTypeValue(types, supports);
if(runningTests < 1){
respimage({reevaluate: true});
}
};
if(useCanvas){
canvas = document.createElement('canvas');
if(!canvas.getContext){
setTypeValue(types, false);
return;
}
}
img.onload = function(){
var ctx;
supports = true;
if(width){
supports = img.width == width;
}
if(useCanvas){
ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0);
supports = ctx.getImageData(0, 0, 1, 1).data[3] === 0;
}
onComplete();
};
img.onerror = function(){
supports = false;
onComplete();
};
runningTests++;
setTypeValue(types, "pending");
img.src = url;
};
respimage.testTypeSupport("image/webp", "data:image/webp;base64,UklGRkoAAABXRUJQVlA4WAoAAAAQAAAAAAAAAAAAQUxQSAwAAAABBxAR/Q9ERP8DAABWUDggGAAAADABAJ0BKgEAAQADADQlpAADcAD++/1QAA==", 1);
respimage.testTypeSupport("image/jp2 image/jpx image/jpm", "data:image/jp2;base64,/0//UQAyAAAAAAABAAAAAgAAAAAAAAAAAAAABAAAAAQAAAAAAAAAAAAEBwEBBwEBBwEBBwEB/1IADAAAAAEAAAQEAAH/XAAEQED/ZAAlAAFDcmVhdGVkIGJ5IE9wZW5KUEVHIHZlcnNpb24gMi4wLjD/kAAKAAAAAABYAAH/UwAJAQAABAQAAf9dAAUBQED/UwAJAgAABAQAAf9dAAUCQED/UwAJAwAABAQAAf9dAAUDQED/k8+kEAGvz6QQAa/PpBABr994EAk//9k=", 1);
respimage.testTypeSupport("image/vnd.ms-photo", "data:image/vnd.ms-photo;base64,SUm8AQgAAAAFAAG8AQAQAAAASgAAAIC8BAABAAAAAQAAAIG8BAABAAAAAQAAAMC8BAABAAAAWgAAAMG8BAABAAAAHwAAAAAAAAAkw91vA07+S7GFPXd2jckNV01QSE9UTwAZAYBxAAAAABP/gAAEb/8AAQAAAQAAAA==", 1);
respimage.testTypeSupport("video/png video/apng video/x-mng video/x-png", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACGFjVEwAAAABAAAAAcMq2TYAAAANSURBVAiZY2BgYPgPAAEEAQB9ssjfAAAAGmZjVEwAAAAAAAAAAQAAAAEAAAAAAAAAAAD6A+gBAbNU+2sAAAARZmRBVAAAAAEImWNgYGBgAAAABQAB6MzFdgAAAABJRU5ErkJggg==", false, true);
}));
(function( factory ) {
"use strict";
var interValId;
var intervalIndex = 0;
var run = function(){
if ( window.respimage ) {
factory( window.respimage );
}
if(window.respimage || intervalIndex > 9999){
clearInterval(interValId);
}
intervalIndex++;
};
interValId = setInterval(run, 8);
run();
}( function( respimage, undefined ) {
"use strict";
var ri = respimage._;
var knownWidths = {};
var cfg = ri.cfg;
var curSrcProp = "currentSrc";
var setSize = function(width, img, data){
var curCandidate = data.curCan;
if ( width ) {
img.setAttribute( "width", parseInt(width / curCandidate.res, 10) );
}
};
var loadBg = function(url, img, data){
var bgImg, curCandidate, clear;
if(knownWidths[url]){
setSize(knownWidths[url], img, data);
} else {
clear = function(){
data.pendingURLSize = null;
bgImg.onload = null;
bgImg.onerror = null;
img = null;
bgImg = null;
};
data.pendingURLSize = url;
curCandidate = data.curCan;
if(curCandidate.w){
setSize(curCandidate.w, img, data);
}
bgImg = document.createElement('img');
bgImg.onload = function(){
knownWidths[url] = bgImg.naturalWidth || bgImg.width;
if(url == img[curSrcProp]){
setSize(knownWidths[url], img, data);
}
clear();
};
bgImg.onerror = clear;
bgImg.src = url;
if(bgImg && bgImg.complete){
bgImg.onload();
}
}
};
var reeval = (function(){
var running, timer;
var run = function(){
var i, len, imgData;
var imgs = document.getElementsByTagName('img');
var options = {elements: []};
ri.setupRun(options);
running = false;
clearTimeout(timer);
for(i = 0, len = imgs.length; i < len; i++){
imgData = imgs[i][ri.ns];
if(imgData && imgData.curCan){
ri.setRes.res(imgData.curCan, imgData.curCan.set.sizes);
ri.setSize(imgs[i]);
}
}
ri.teardownRun( options );
};
return function(){
if(!running && cfg.addSize){
running = true;
clearTimeout(timer);
timer = setTimeout(run);
}
};
})();
if( !(curSrcProp in document.createElement("img")) ){
curSrcProp = "src";
}
ri.setSize = function( img ) {
var url;
var data = img[ ri.ns ];
var curCandidate = data.curCan;
if ( data.dims === undefined ) {
data.dims = img.getAttribute( "height" ) && img.getAttribute( "width" );
}
if ( !cfg.addSize || !curCandidate || data.dims ) {return;}
url = ri.makeUrl(curCandidate.url);
if(url == img[curSrcProp] && url !== data.pendingURLSize){
loadBg(url, img, data);
}
};
if(window.addEventListener){
addEventListener('resize', reeval, false);
}
if(!('addSize' in cfg)){
cfg.addSize = true;
} else {
cfg.addSize = !!cfg.addSize;
}
reeval();
}));
(function(){
webshim.isReady('picture', true);
var sel = 'picture, img[srcset]';
webshim.addReady(function(context){
if(context.querySelector(sel)){
window.respimage();
}
});
})();