Add mousewheel event listener
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31d7411198
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0249e947e4
36
shower.js
36
shower.js
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@ -774,6 +774,38 @@ window.shower = window.shower || (function(window, document, undefined) {
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return '#' + shower.slideList[slideNumber].id;
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return '#' + shower.slideList[slideNumber].id;
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};
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};
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/**
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* Wheel event listener
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* @param e event
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*/
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shower.wheel = function (e) {
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var body = document.querySelector('body'),
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wheelDown,
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lockedWheel = body.getAttribute('data-scroll') === 'locked';
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if (!lockedWheel && !shower.isListMode()) {
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body.setAttribute('data-scroll', 'locked');
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if (e.deltaY === undefined) {
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// Chrome, Opera, Safari
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wheelDown = e.wheelDeltaY < 0;
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} else {
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// Firefox
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wheelDown = e.deltaY > 0;
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}
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if (wheelDown) {
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shower._turnNextSlide();
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} else {
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shower._turnPreviousSlide();
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}
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setTimeout(function () {
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body.setAttribute('data-scroll', 'unlocked');
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}, 200);
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}
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}
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// Event handlers
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// Event handlers
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window.addEventListener('DOMContentLoaded', function() {
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window.addEventListener('DOMContentLoaded', function() {
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@ -950,6 +982,10 @@ window.shower = window.shower || (function(window, document, undefined) {
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}
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}
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}, false);
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}, false);
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document.addEventListener('wheel', shower.wheel, false);
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document.addEventListener('mousewheel', shower.wheel, false);
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return shower;
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return shower;
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})(this, this.document);
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})(this, this.document);
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