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Use new wheel event if available (fixes Firefox 17+ issues and adds horizontal support to IE9+)

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Normalize the detal values
Support AMD loaders
Bump version to 3.1.0 and update copyright
This commit is contained in:
Brandon Aaron
2013-02-22 09:48:58 -06:00
parent 7b08e4ba4b
commit 2e2dc57aaa
4 changed files with 125 additions and 71 deletions
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10
ChangeLog.markdown
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@ -1,13 +1,23 @@
# Mouse Wheel ChangeLog
# 3.1.0
* Fix Firefox 17+ issues by using new wheel event
* Normalize delta values
* Adds horizontal support for IE 9+ by using new wheel event
* Support AMD loaders
# 3.0.6
* Fix issue with delta being 0 in Firefox
# 3.0.5
* jQuery 1.7 compatibility
# 3.0.4
* Fix IE issue

2
README.markdown
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@ -21,4 +21,4 @@ Here is an example of using both the bind and helper method syntax.
This plugin is licensed under the MIT License (LICENSE.txt).
Copyright (c) 2011 [Brandon Aaron](http://brandonaaron.net)
Copyright (c) 2013 [Brandon Aaron](http://brandonaaron.net)

85
jquery.mousewheel.js
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@ -1,30 +1,40 @@
/*! 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($) {
var types = ['DOMMouseScroll', 'mousewheel'];
if ($.event.fixHooks) {
for ( var i=types.length; i; ) {
$.event.fixHooks[ types[--i] ] = $.event.mouseHooks;
(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else {
// Browser globals
factory(jQuery);
}
}
}(function ($) {
$.event.special.mousewheel = {
var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll'];
var toBind = 'onwheel' in document || document.documentMode >= 9 ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'];
var lowestDelta, lowestDeltaXY;
if ($.event.fixHooks) {
for ( var i=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 );
for ( var i=toBind.length; i; ) {
this.addEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = handler;
@ -33,16 +43,16 @@ $.event.special.mousewheel = {
teardown: function() {
if ( this.removeEventListener ) {
for ( var i=types.length; i; ) {
this.removeEventListener( types[--i], handler, false );
for ( var i=toBind.length; i; ) {
this.removeEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = null;
}
}
};
};
$.fn.extend({
$.fn.extend({
mousewheel: function(fn) {
return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
},
@ -50,35 +60,42 @@ $.fn.extend({
unmousewheel: function(fn) {
return this.unbind("mousewheel", fn);
}
});
});
function handler(event) {
var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, returnValue = true, deltaX = 0, deltaY = 0;
function handler(event) {
var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, deltaX = 0, deltaY = 0, absDelta = 0, absDeltaXY = 0;
event = $.event.fix(orgEvent);
event.type = "mousewheel";
// Old school scrollwheel delta
if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta/120; }
if ( orgEvent.detail ) { delta = -orgEvent.detail/3; }
if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta; }
if ( orgEvent.detail ) { delta = orgEvent.detail * -1; }
// New school multidimensional scroll (touchpads) deltas
deltaY = delta;
// Gecko
if ( orgEvent.axis !== undefined && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
deltaY = 0;
deltaX = -1*delta;
// New school wheel delta (wheel event)
if ( orgEvent.deltaY ) {
deltaY = orgEvent.deltaY * -1;
delta = deltaY;
}
if ( orgEvent.deltaX ) {
deltaX = orgEvent.deltaX;
delta = deltaX * -1;
}
// Webkit
if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY/120; }
if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = -1*orgEvent.wheelDeltaX/120; }
if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY; }
if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = orgEvent.wheelDeltaX * -1; }
absDelta = Math.abs(delta);
if ( !lowestDelta || absDelta < lowestDelta ) { lowestDelta = absDelta; }
absDeltaXY = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
if ( !lowestDeltaXY || absDeltaXY < lowestDeltaXY ) { lowestDeltaXY = absDeltaXY; }
// Add event and delta to the front of the arguments
args.unshift(event, delta, deltaX, deltaY);
args.unshift(event, Math.floor(delta/lowestDelta), Math.floor(deltaX/lowestDeltaXY), Math.floor(deltaY/lowestDeltaXY));
return ($.event.dispatch || $.event.handle).apply(this, args);
}
}
})(jQuery);
}));

27
mousewheel.jquery.json Normal file
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@ -0,0 +1,27 @@
{
"name": "mousewheel",
"title": "jQuery Mousewheel",
"description": "A jQuery plugin that adds cross-browser mouse wheel support.",
"keywords": [
"mousewheel",
"mouse",
"event"
],
"version": "3.1.0",
"author": {
"name": "Brandon Aaron",
"url": "http://brandonaaron.net"
},
"licenses": [
{
"type": "MIT",
"url": "https://raw.github.com/brandonaaron/jquery-mousewheel/master/LICENSE.txt"
}
],
"bugs": "https://github.com/brandonaaron/jquery-mousewheel/issues",
"homepage": "https://github.com/brandonaaron/jquery-mousewheel",
"download": "https://github.com/brandonaaron/jquery-mousewheel/tags",
"dependencies": {
"jquery": ">=1.2.2"
}
}