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Merge pull request #149 from thierrymarianne/mousewheel-event-listener 

Add mousewheel event listener
This commit is contained in:
Vadim Makeev 2013-11-11 04:00:24 -08:00
parent 9c6b41f852 0249e947e4
commit 01b70c4e42
1 changed files with 36 additions and 0 deletions
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36
shower.js
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@ -769,6 +769,38 @@ window.shower = window.shower || (function(window, document, undefined) {
return '#' + shower.slideList[slideNumber].id;
};
/**
* Wheel event listener
* @param e event
*/
shower.wheel = function (e) {
var body = document.querySelector('body'),
wheelDown,
lockedWheel = body.getAttribute('data-scroll') === 'locked';
if (!lockedWheel && !shower.isListMode()) {
body.setAttribute('data-scroll', 'locked');
if (e.deltaY === undefined) {
// Chrome, Opera, Safari
wheelDown = e.wheelDeltaY < 0;
} else {
// Firefox
wheelDown = e.deltaY > 0;
}
if (wheelDown) {
shower._turnNextSlide();
} else {
shower._turnPreviousSlide();
}
setTimeout(function () {
body.setAttribute('data-scroll', 'unlocked');
}, 200);
}
}
// Event handlers
window.addEventListener('DOMContentLoaded', function() {
@ -949,6 +981,10 @@ window.shower = window.shower || (function(window, document, undefined) {
}
}, false);
document.addEventListener('wheel', shower.wheel, false);
document.addEventListener('mousewheel', shower.wheel, false);
return shower;
})(this, this.document);