515 lines
15 KiB
JavaScript
Vendored
515 lines
15 KiB
JavaScript
Vendored
(function() {
|
|
var MutationObserver, Util, WeakMap, getComputedStyle, getComputedStyleRX,
|
|
bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
|
|
indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
|
|
|
|
Util = (function() {
|
|
function Util() {}
|
|
|
|
Util.prototype.extend = function(custom, defaults) {
|
|
var key, value;
|
|
for (key in defaults) {
|
|
value = defaults[key];
|
|
if (custom[key] == null) {
|
|
custom[key] = value;
|
|
}
|
|
}
|
|
return custom;
|
|
};
|
|
|
|
Util.prototype.isMobile = function(agent) {
|
|
return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(agent);
|
|
};
|
|
|
|
Util.prototype.createEvent = function(event, bubble, cancel, detail) {
|
|
var customEvent;
|
|
if (bubble == null) {
|
|
bubble = false;
|
|
}
|
|
if (cancel == null) {
|
|
cancel = false;
|
|
}
|
|
if (detail == null) {
|
|
detail = null;
|
|
}
|
|
if (document.createEvent != null) {
|
|
customEvent = document.createEvent('CustomEvent');
|
|
customEvent.initCustomEvent(event, bubble, cancel, detail);
|
|
} else if (document.createEventObject != null) {
|
|
customEvent = document.createEventObject();
|
|
customEvent.eventType = event;
|
|
} else {
|
|
customEvent.eventName = event;
|
|
}
|
|
return customEvent;
|
|
};
|
|
|
|
Util.prototype.emitEvent = function(elem, event) {
|
|
if (elem.dispatchEvent != null) {
|
|
return elem.dispatchEvent(event);
|
|
} else if (event in (elem != null)) {
|
|
return elem[event]();
|
|
} else if (("on" + event) in (elem != null)) {
|
|
return elem["on" + event]();
|
|
}
|
|
};
|
|
|
|
Util.prototype.addEvent = function(elem, event, fn) {
|
|
if (elem.addEventListener != null) {
|
|
return elem.addEventListener(event, fn, false);
|
|
} else if (elem.attachEvent != null) {
|
|
return elem.attachEvent("on" + event, fn);
|
|
} else {
|
|
return elem[event] = fn;
|
|
}
|
|
};
|
|
|
|
Util.prototype.removeEvent = function(elem, event, fn) {
|
|
if (elem.removeEventListener != null) {
|
|
return elem.removeEventListener(event, fn, false);
|
|
} else if (elem.detachEvent != null) {
|
|
return elem.detachEvent("on" + event, fn);
|
|
} else {
|
|
return delete elem[event];
|
|
}
|
|
};
|
|
|
|
Util.prototype.innerHeight = function() {
|
|
if ('innerHeight' in window) {
|
|
return window.innerHeight;
|
|
} else {
|
|
return document.documentElement.clientHeight;
|
|
}
|
|
};
|
|
|
|
return Util;
|
|
|
|
})();
|
|
|
|
WeakMap = this.WeakMap || this.MozWeakMap || (WeakMap = (function() {
|
|
function WeakMap() {
|
|
this.keys = [];
|
|
this.values = [];
|
|
}
|
|
|
|
WeakMap.prototype.get = function(key) {
|
|
var i, item, j, len, ref;
|
|
ref = this.keys;
|
|
for (i = j = 0, len = ref.length; j < len; i = ++j) {
|
|
item = ref[i];
|
|
if (item === key) {
|
|
return this.values[i];
|
|
}
|
|
}
|
|
};
|
|
|
|
WeakMap.prototype.set = function(key, value) {
|
|
var i, item, j, len, ref;
|
|
ref = this.keys;
|
|
for (i = j = 0, len = ref.length; j < len; i = ++j) {
|
|
item = ref[i];
|
|
if (item === key) {
|
|
this.values[i] = value;
|
|
return;
|
|
}
|
|
}
|
|
this.keys.push(key);
|
|
return this.values.push(value);
|
|
};
|
|
|
|
return WeakMap;
|
|
|
|
})());
|
|
|
|
MutationObserver = this.MutationObserver || this.WebkitMutationObserver || this.MozMutationObserver || (MutationObserver = (function() {
|
|
function MutationObserver() {
|
|
if (typeof console !== "undefined" && console !== null) {
|
|
console.warn('MutationObserver is not supported by your browser.');
|
|
}
|
|
if (typeof console !== "undefined" && console !== null) {
|
|
console.warn('WOW.js cannot detect dom mutations, please call .sync() after loading new content.');
|
|
}
|
|
}
|
|
|
|
MutationObserver.notSupported = true;
|
|
|
|
MutationObserver.prototype.observe = function() {};
|
|
|
|
return MutationObserver;
|
|
|
|
})());
|
|
|
|
getComputedStyle = this.getComputedStyle || function(el, pseudo) {
|
|
this.getPropertyValue = function(prop) {
|
|
var ref;
|
|
if (prop === 'float') {
|
|
prop = 'styleFloat';
|
|
}
|
|
if (getComputedStyleRX.test(prop)) {
|
|
prop.replace(getComputedStyleRX, function(_, _char) {
|
|
return _char.toUpperCase();
|
|
});
|
|
}
|
|
return ((ref = el.currentStyle) != null ? ref[prop] : void 0) || null;
|
|
};
|
|
return this;
|
|
};
|
|
|
|
getComputedStyleRX = /(\-([a-z]){1})/g;
|
|
|
|
this.WOW = (function() {
|
|
WOW.prototype.defaults = {
|
|
boxClass: 'wow',
|
|
animateClass: 'animated',
|
|
offset: 0,
|
|
mobile: true,
|
|
live: true,
|
|
callback: null,
|
|
scrollContainer: null
|
|
};
|
|
|
|
function WOW(options) {
|
|
if (options == null) {
|
|
options = {};
|
|
}
|
|
this.scrollCallback = bind(this.scrollCallback, this);
|
|
this.scrollHandler = bind(this.scrollHandler, this);
|
|
this.resetAnimation = bind(this.resetAnimation, this);
|
|
this.start = bind(this.start, this);
|
|
this.scrolled = true;
|
|
this.config = this.util().extend(options, this.defaults);
|
|
if (options.scrollContainer != null) {
|
|
this.config.scrollContainer = document.querySelector(options.scrollContainer);
|
|
}
|
|
this.animationNameCache = new WeakMap();
|
|
this.wowEvent = this.util().createEvent(this.config.boxClass);
|
|
}
|
|
|
|
WOW.prototype.init = function() {
|
|
var ref;
|
|
this.element = window.document.documentElement;
|
|
if ((ref = document.readyState) === "interactive" || ref === "complete") {
|
|
this.start();
|
|
} else {
|
|
this.util().addEvent(document, 'DOMContentLoaded', this.start);
|
|
}
|
|
return this.finished = [];
|
|
};
|
|
|
|
WOW.prototype.start = function() {
|
|
var box, j, len, ref;
|
|
this.stopped = false;
|
|
this.boxes = (function() {
|
|
var j, len, ref, results;
|
|
ref = this.element.querySelectorAll("." + this.config.boxClass);
|
|
results = [];
|
|
for (j = 0, len = ref.length; j < len; j++) {
|
|
box = ref[j];
|
|
results.push(box);
|
|
}
|
|
return results;
|
|
}).call(this);
|
|
this.all = (function() {
|
|
var j, len, ref, results;
|
|
ref = this.boxes;
|
|
results = [];
|
|
for (j = 0, len = ref.length; j < len; j++) {
|
|
box = ref[j];
|
|
results.push(box);
|
|
}
|
|
return results;
|
|
}).call(this);
|
|
if (this.boxes.length) {
|
|
if (this.disabled()) {
|
|
this.resetStyle();
|
|
} else {
|
|
ref = this.boxes;
|
|
for (j = 0, len = ref.length; j < len; j++) {
|
|
box = ref[j];
|
|
this.applyStyle(box, true);
|
|
}
|
|
}
|
|
}
|
|
if (!this.disabled()) {
|
|
this.util().addEvent(this.config.scrollContainer || window, 'scroll', this.scrollHandler);
|
|
this.util().addEvent(window, 'resize', this.scrollHandler);
|
|
this.interval = setInterval(this.scrollCallback, 50);
|
|
}
|
|
if (this.config.live) {
|
|
return new MutationObserver((function(_this) {
|
|
return function(records) {
|
|
var k, len1, node, record, results;
|
|
results = [];
|
|
for (k = 0, len1 = records.length; k < len1; k++) {
|
|
record = records[k];
|
|
results.push((function() {
|
|
var l, len2, ref1, results1;
|
|
ref1 = record.addedNodes || [];
|
|
results1 = [];
|
|
for (l = 0, len2 = ref1.length; l < len2; l++) {
|
|
node = ref1[l];
|
|
results1.push(this.doSync(node));
|
|
}
|
|
return results1;
|
|
}).call(_this));
|
|
}
|
|
return results;
|
|
};
|
|
})(this)).observe(document.body, {
|
|
childList: true,
|
|
subtree: true
|
|
});
|
|
}
|
|
};
|
|
|
|
WOW.prototype.stop = function() {
|
|
this.stopped = true;
|
|
this.util().removeEvent(this.config.scrollContainer || window, 'scroll', this.scrollHandler);
|
|
this.util().removeEvent(window, 'resize', this.scrollHandler);
|
|
if (this.interval != null) {
|
|
return clearInterval(this.interval);
|
|
}
|
|
};
|
|
|
|
WOW.prototype.sync = function(element) {
|
|
if (MutationObserver.notSupported) {
|
|
return this.doSync(this.element);
|
|
}
|
|
};
|
|
|
|
WOW.prototype.doSync = function(element) {
|
|
var box, j, len, ref, results;
|
|
if (element == null) {
|
|
element = this.element;
|
|
}
|
|
if (element.nodeType !== 1) {
|
|
return;
|
|
}
|
|
element = element.parentNode || element;
|
|
ref = element.querySelectorAll("." + this.config.boxClass);
|
|
results = [];
|
|
for (j = 0, len = ref.length; j < len; j++) {
|
|
box = ref[j];
|
|
if (indexOf.call(this.all, box) < 0) {
|
|
this.boxes.push(box);
|
|
this.all.push(box);
|
|
if (this.stopped || this.disabled()) {
|
|
this.resetStyle();
|
|
} else {
|
|
this.applyStyle(box, true);
|
|
}
|
|
results.push(this.scrolled = true);
|
|
} else {
|
|
results.push(void 0);
|
|
}
|
|
}
|
|
return results;
|
|
};
|
|
|
|
WOW.prototype.show = function(box) {
|
|
this.applyStyle(box);
|
|
box.className = box.className + " " + this.config.animateClass;
|
|
if (this.config.callback != null) {
|
|
this.config.callback(box);
|
|
}
|
|
this.util().emitEvent(box, this.wowEvent);
|
|
this.util().addEvent(box, 'animationend', this.resetAnimation);
|
|
this.util().addEvent(box, 'oanimationend', this.resetAnimation);
|
|
this.util().addEvent(box, 'webkitAnimationEnd', this.resetAnimation);
|
|
this.util().addEvent(box, 'MSAnimationEnd', this.resetAnimation);
|
|
return box;
|
|
};
|
|
|
|
WOW.prototype.applyStyle = function(box, hidden) {
|
|
var delay, duration, iteration;
|
|
duration = box.getAttribute('data-wow-duration');
|
|
delay = box.getAttribute('data-wow-delay');
|
|
iteration = box.getAttribute('data-wow-iteration');
|
|
return this.animate((function(_this) {
|
|
return function() {
|
|
return _this.customStyle(box, hidden, duration, delay, iteration);
|
|
};
|
|
})(this));
|
|
};
|
|
|
|
WOW.prototype.animate = (function() {
|
|
if ('requestAnimationFrame' in window) {
|
|
return function(callback) {
|
|
return window.requestAnimationFrame(callback);
|
|
};
|
|
} else {
|
|
return function(callback) {
|
|
return callback();
|
|
};
|
|
}
|
|
})();
|
|
|
|
WOW.prototype.resetStyle = function() {
|
|
var box, j, len, ref, results;
|
|
ref = this.boxes;
|
|
results = [];
|
|
for (j = 0, len = ref.length; j < len; j++) {
|
|
box = ref[j];
|
|
results.push(box.style.visibility = 'visible');
|
|
}
|
|
return results;
|
|
};
|
|
|
|
WOW.prototype.resetAnimation = function(event) {
|
|
var target;
|
|
if (event.type.toLowerCase().indexOf('animationend') >= 0) {
|
|
target = event.target || event.srcElement;
|
|
return target.className = target.className.replace(this.config.animateClass, '').trim();
|
|
}
|
|
};
|
|
|
|
WOW.prototype.customStyle = function(box, hidden, duration, delay, iteration) {
|
|
if (hidden) {
|
|
this.cacheAnimationName(box);
|
|
}
|
|
box.style.visibility = hidden ? 'hidden' : 'visible';
|
|
if (duration) {
|
|
this.vendorSet(box.style, {
|
|
animationDuration: duration
|
|
});
|
|
}
|
|
if (delay) {
|
|
this.vendorSet(box.style, {
|
|
animationDelay: delay
|
|
});
|
|
}
|
|
if (iteration) {
|
|
this.vendorSet(box.style, {
|
|
animationIterationCount: iteration
|
|
});
|
|
}
|
|
this.vendorSet(box.style, {
|
|
animationName: hidden ? 'none' : this.cachedAnimationName(box)
|
|
});
|
|
return box;
|
|
|
|
};
|
|
|
|
WOW.prototype.vendors = ["moz", "webkit"];
|
|
|
|
WOW.prototype.vendorSet = function(elem, properties) {
|
|
var name, results, value, vendor;
|
|
results = [];
|
|
for (name in properties) {
|
|
value = properties[name];
|
|
elem["" + name] = value;
|
|
results.push((function() {
|
|
var j, len, ref, results1;
|
|
ref = this.vendors;
|
|
results1 = [];
|
|
for (j = 0, len = ref.length; j < len; j++) {
|
|
vendor = ref[j];
|
|
results1.push(elem["" + vendor + (name.charAt(0).toUpperCase()) + (name.substr(1))] = value);
|
|
}
|
|
return results1;
|
|
}).call(this));
|
|
}
|
|
return results;
|
|
};
|
|
|
|
WOW.prototype.vendorCSS = function(elem, property) {
|
|
var j, len, ref, result, style, vendor;
|
|
style = getComputedStyle(elem);
|
|
result = style.getPropertyCSSValue(property);
|
|
ref = this.vendors;
|
|
for (j = 0, len = ref.length; j < len; j++) {
|
|
vendor = ref[j];
|
|
result = result || style.getPropertyCSSValue("-" + vendor + "-" + property);
|
|
}
|
|
return result;
|
|
};
|
|
|
|
WOW.prototype.animationName = function(box) {
|
|
var animationName;
|
|
try {
|
|
animationName = this.vendorCSS(box, 'animation-name').cssText;
|
|
} catch (_error) {
|
|
animationName = getComputedStyle(box).getPropertyValue('animation-name');
|
|
}
|
|
if (animationName === 'none') {
|
|
return '';
|
|
} else {
|
|
return animationName;
|
|
}
|
|
};
|
|
|
|
WOW.prototype.cacheAnimationName = function(box) {
|
|
return this.animationNameCache.set(box, this.animationName(box));
|
|
};
|
|
|
|
WOW.prototype.cachedAnimationName = function(box) {
|
|
return this.animationNameCache.get(box);
|
|
};
|
|
|
|
WOW.prototype.scrollHandler = function() {
|
|
return this.scrolled = true;
|
|
};
|
|
|
|
WOW.prototype.scrollCallback = function() {
|
|
var box;
|
|
if (this.scrolled) {
|
|
this.scrolled = false;
|
|
this.boxes = (function() {
|
|
var j, len, ref, results;
|
|
ref = this.boxes;
|
|
results = [];
|
|
for (j = 0, len = ref.length; j < len; j++) {
|
|
box = ref[j];
|
|
if (!(box)) {
|
|
continue;
|
|
}
|
|
if (this.isVisible(box)) {
|
|
this.show(box);
|
|
continue;
|
|
}
|
|
results.push(box);
|
|
}
|
|
return results;
|
|
}).call(this);
|
|
if (!(this.boxes.length || this.config.live)) {
|
|
return this.stop();
|
|
}
|
|
}
|
|
};
|
|
|
|
WOW.prototype.offsetTop = function(element) {
|
|
var top;
|
|
while (element.offsetTop === void 0) {
|
|
element = element.parentNode;
|
|
}
|
|
top = element.offsetTop;
|
|
while (element = element.offsetParent) {
|
|
top += element.offsetTop;
|
|
}
|
|
return top;
|
|
};
|
|
|
|
WOW.prototype.isVisible = function(box) {
|
|
var bottom, offset, top, viewBottom, viewTop;
|
|
offset = box.getAttribute('data-wow-offset') || this.config.offset;
|
|
viewTop = (this.config.scrollContainer && this.config.scrollContainer.scrollTop) || window.pageYOffset;
|
|
viewBottom = viewTop + Math.min(this.element.clientHeight, this.util().innerHeight()) - offset;
|
|
top = this.offsetTop(box);
|
|
bottom = top + box.clientHeight;
|
|
return top <= viewBottom && bottom >= viewTop;
|
|
};
|
|
|
|
WOW.prototype.util = function() {
|
|
return this._util != null ? this._util : this._util = new Util();
|
|
};
|
|
|
|
WOW.prototype.disabled = function() {
|
|
return !this.config.mobile && this.util().isMobile(navigator.userAgent);
|
|
};
|
|
|
|
return WOW;
|
|
|
|
})();
|
|
|
|
}).call(this);
|