Skip to content
Permalink
Browse files

Upgrade mousewheel to 3.1.0.

  • Loading branch information...
scottgonzalez committed Feb 22, 2013
1 parent c1d04de commit bcae4fb9f1d84e0d0e6e7afb11002b28e5dc5ba8
Showing with 73 additions and 56 deletions.
  1. +73 −56 external/jquery.mousewheel.js
@@ -1,84 +1,101 @@
/*! Copyright (c) 2011 Brandon Aaron (http://brandonaaron.net)
/*! Copyright (c) 2013 Brandon Aaron (http://brandonaaron.net)
* Licensed under the MIT License (LICENSE.txt).
*
* Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
* Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
* Thanks to: Seamus Leahy for adding deltaX and deltaY
*
* Version: 3.0.6
* Version: 3.1.0
*
* Requires: 1.2.2+
*/

(function($) {
(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else {
// Browser globals
factory(jQuery);
}
}(function ($) {

var types = ['DOMMouseScroll', 'mousewheel'];
var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll'];
var toBind = 'onwheel' in document || document.documentMode >= 9 ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'];
var lowestDelta, lowestDeltaXY;

if ($.event.fixHooks) {
for ( var i=types.length; i; ) {
$.event.fixHooks[ types[--i] ] = $.event.mouseHooks;
if ($.event.fixHooks) {
for ( var i=toFix.length; i; ) {
$.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks;
}
}
}

$.event.special.mousewheel = {
setup: function() {
if ( this.addEventListener ) {
for ( var i=types.length; i; ) {
this.addEventListener( types[--i], handler, false );
$.event.special.mousewheel = {
setup: function() {
if ( this.addEventListener ) {
for ( var i=toBind.length; i; ) {
this.addEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = handler;
}
} else {
this.onmousewheel = handler;
}
},

teardown: function() {
if ( this.removeEventListener ) {
for ( var i=types.length; i; ) {
this.removeEventListener( types[--i], handler, false );
},

teardown: function() {
if ( this.removeEventListener ) {
for ( var i=toBind.length; i; ) {
this.removeEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = null;
}
} else {
this.onmousewheel = null;
}
}
};
};

$.fn.extend({
mousewheel: function(fn) {
return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
},
$.fn.extend({
mousewheel: function(fn) {
return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
},

unmousewheel: function(fn) {
return this.unbind("mousewheel", fn);
}
});

unmousewheel: function(fn) {
return this.unbind("mousewheel", fn);
}
});

function handler(event) {
var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, deltaX = 0, deltaY = 0, absDelta = 0, absDeltaXY = 0;
event = $.event.fix(orgEvent);
event.type = "mousewheel";

function handler(event) {
var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, returnValue = true, deltaX = 0, deltaY = 0;
event = $.event.fix(orgEvent);
event.type = "mousewheel";
// Old school scrollwheel delta
if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta; }
if ( orgEvent.detail ) { delta = orgEvent.detail * -1; }

// Old school scrollwheel delta
if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta/120; }
if ( orgEvent.detail ) { delta = -orgEvent.detail/3; }
// New school wheel delta (wheel event)
if ( orgEvent.deltaY ) {
deltaY = orgEvent.deltaY * -1;
delta = deltaY;
}
if ( orgEvent.deltaX ) {
deltaX = orgEvent.deltaX;
delta = deltaX * -1;
}

// New school multidimensional scroll (touchpads) deltas
deltaY = delta;
// Webkit
if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY; }
if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = orgEvent.wheelDeltaX * -1; }

// Gecko
if ( orgEvent.axis !== undefined && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
deltaY = 0;
deltaX = -1*delta;
}
absDelta = Math.abs(delta);
if ( !lowestDelta || absDelta < lowestDelta ) { lowestDelta = absDelta; }

// Webkit
if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY/120; }
if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = -1*orgEvent.wheelDeltaX/120; }
absDeltaXY = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
if ( !lowestDeltaXY || absDeltaXY < lowestDeltaXY ) { lowestDeltaXY = absDeltaXY; }

// Add event and delta to the front of the arguments
args.unshift(event, delta, deltaX, deltaY);
// Add event and delta to the front of the arguments
args.unshift(event, Math.floor(delta/lowestDelta), Math.floor(deltaX/lowestDeltaXY), Math.floor(deltaY/lowestDeltaXY));

return ($.event.dispatch || $.event.handle).apply(this, args);
}
return ($.event.dispatch || $.event.handle).apply(this, args);
}

})(jQuery);
}));

0 comments on commit bcae4fb

Please sign in to comment.
You can’t perform that action at this time.