Add mousewheel event listener

This commit is contained in:
Thierry Marianne 2013-09-15 10:27:01 +02:00
parent 31d7411198
commit 0249e947e4
1 changed files with 36 additions and 0 deletions

View File

@ -774,6 +774,38 @@ window.shower = window.shower || (function(window, document, undefined) {
return '#' + shower.slideList[slideNumber].id; 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 // Event handlers
window.addEventListener('DOMContentLoaded', function() { window.addEventListener('DOMContentLoaded', function() {
@ -950,6 +982,10 @@ window.shower = window.shower || (function(window, document, undefined) {
} }
}, false); }, false);
document.addEventListener('wheel', shower.wheel, false);
document.addEventListener('mousewheel', shower.wheel, false);
return shower; return shower;
})(this, this.document); })(this, this.document);