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update unveils

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Luke Pulverenti 2015-06-28 10:45:21 -04:00
parent 8c2b65740f
commit 95a647e0df
63 changed files with 745 additions and 584 deletions
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118
dashboard-ui/thirdparty/jquery.unveil-custom.js vendored
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@ -1,23 +1,35 @@
(function ($) {
})(jQuery);
/**
* jQuery Unveil
* A very lightweight jQuery plugin to lazy load images
* http://luis-almeida.github.com/unveil
*
* Licensed under the MIT license.
* Copyright 2013 Luís Almeida
* https://github.com/luis-almeida
*/
(function ($) {
/**
* Copyright 2012, Digital Fusion
* Licensed under the MIT license.
* http://teamdf.com/jquery-plugins/license/
*
* @author Sam Sehnert
* @desc A small plugin that checks whether elements are within
* the user visible viewport of a web browser.
* only accounts for vertical position, not horizontal.
*/
* Copyright 2012, Digital Fusion
* Licensed under the MIT license.
* http://teamdf.com/jquery-plugins/license/
*
* @author Sam Sehnert
* @desc A small plugin that checks whether elements are within
* the user visible viewport of a web browser.
* only accounts for vertical position, not horizontal.
*/
var $w = $(window);
$.fn.visibleInViewport = function (partial, hidden, direction, threshold) {
if (this.length < 1)
return;
function visibleInViewport(elem, partial, hidden, direction, threshold) {
var $t = this.length > 1 ? this.eq(0) : this,
t = $t.get(0),
var $t = $(elem),
t = elem,
vpWidth = $w.width(),
vpHeight = $w.height(),
direction = (direction) ? direction : 'both',
@ -63,21 +75,7 @@
else if (direction === 'horizontal')
return !!clientSize && ((compareRight <= viewRight) && (compareLeft >= viewLeft));
}
};
})(jQuery);
/**
* jQuery Unveil
* A very lightweight jQuery plugin to lazy load images
* http://luis-almeida.github.com/unveil
*
* Licensed under the MIT license.
* Copyright 2013 Luís Almeida
* https://github.com/luis-almeida
*/
(function ($) {
}
var unveilId = 0;
@ -100,7 +98,7 @@
var threshold = getThreshold();
function isVisible() {
return $(this).visibleInViewport(true, false, 'both', threshold);
return visibleInViewport(this, true, false, 'both', threshold);
}
function fillImage() {
@ -112,16 +110,19 @@
}
}
$.fn.unveil = function () {
function unveilElements(elems) {
var $w = $(window),
images = this,
loaded;
if (!elems.length) {
return;
}
var images = $(elems),
loaded;
unveilId++;
var eventNamespace = 'unveil' + unveilId;
this.one("unveil", fillImage);
images.one("unveil", fillImage);
function unveil() {
var inview = images.filter(isVisible);
@ -130,39 +131,54 @@
images = images.not(loaded);
if (!images.length) {
$w.off('scroll.' + eventNamespace);
$w.off('resize.' + eventNamespace);
Events.off(window, 'scroll.' + eventNamespace);
Events.off(window, 'resize.' + eventNamespace);
}
}
$w.on('scroll.' + eventNamespace, unveil);
$w.on('resize.' + eventNamespace, unveil);
Events.on(window, 'scroll.' + eventNamespace, unveil);
Events.on(window, 'resize.' + eventNamespace, unveil);
unveil();
}
return this;
function fillImages(elems) {
};
for (var i = 0, length = elems.length; i < length; i++) {
var elem = elems[0];
var source = elem.getAttribute('data-src');
if (source) {
ImageStore.setImageInto(elem, source);
elem.setAttribute("data-src", '');
}
}
}
$.fn.fillImages = function () {
function lazyChildren(elem) {
return this.each(fillImage);
};
unveilElements(elem.getElementsByClassName('lazy'));
}
$.fn.lazyChildren = function () {
var lazyItems = $(".lazy", this);
if (lazyItems.length) {
lazyItems.unveil();
if (this.length == 1) {
lazyChildren(this[0]);
} else {
unveilElements($('.lazy', this));
}
return this;
};
$.fn.lazyImage = function (url) {
function lazyImage(elem, url) {
return this.attr('data-src', url).fillImages();
elem.setAttribute('data-src', url);
fillImages([elem]);
}
window.ImageLoader = {
fillImages: fillImages,
lazyImage: lazyImage,
lazyChildren: lazyChildren
};
})(window.jQuery || window.Zepto);