https://airporteo.com/wp-content/themes/autoride/script/jquery.mousewheel.js?ver=7.1.3

1/*! Copyright (c) 2013 Brandon Aaron (http://brandon.aaron.sh)
2 * Licensed under the MIT License (LICENSE.txt).
3 *
4 * Version: 3.1.6
5 *
6 * Requires: jQuery 1.2.2+
7 */
8
9(function (factory) {
10    if ( typeof define === 'function' && define.amd ) {
11        // AMD. Register as an anonymous module.
12        define(['jquery'], factory);
13    } else if (typeof exports === 'object') {
14        // Node/CommonJS style for Browserify
15        module.exports = factory;
16    } else {
17        // Browser globals
18        factory(jQuery);
19    }
20}(function ($) {
21
22    var toFix  = ['wheel', 'mousewheel', 'DOMMouseScroll', 'MozMousePixelScroll'],
23        toBind = ( 'onwheel' in document || document.documentMode >= 9 ) ?
24                    ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'],
25        slice  = Array.prototype.slice,
26        nullLowestDeltaTimeout, lowestDelta;
27
28    if ( $.event.fixHooks ) {
29        for ( var i = toFix.length; i; ) {
30            $.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks;
31        }
32    }
33
34    $.event.special.mousewheel = {
35        version: '3.1.6',
36
37        setup: function() {
38            if ( this.addEventListener ) {
39                for ( var i = toBind.length; i; ) {
40                    this.addEventListener( toBind[--i], handler, false );
41                }
42            } else {
43                this.onmousewheel = handler;
44            }
45        },
46
47        teardown: function() {
48            if ( this.removeEventListener ) {
49                for ( var i = toBind.length; i; ) {
50                    this.removeEventListener( toBind[--i], handler, false );
51                }
52            } else {
53                this.onmousewheel = null;
54            }
55        }
56    };
57
58    $.fn.extend({
59        mousewheel: function(fn) {
60            return fn ? this.bind('mousewheel', fn) : this.trigger('mousewheel');
61        },
62
63        unmousewheel: function(fn) {
64            return this.unbind('mousewheel', fn);
65        }
66    });
67
68
69    function handler(event) {
70        var orgEvent   = event || window.event,
71            args       = slice.call(arguments, 1),
72            delta      = 0,
73            deltaX     = 0,
74            deltaY     = 0,
75            absDelta   = 0;
76        event = $.event.fix(orgEvent);
77        event.type = 'mousewheel';
78
79        // Old school scrollwheel delta
80        if ( 'detail'      in orgEvent ) { deltaY = orgEvent.detail * -1;      }
81        if ( 'wheelDelta'  in orgEvent ) { deltaY = orgEvent.wheelDelta;       }
82        if ( 'wheelDeltaY' in orgEvent ) { deltaY = orgEvent.wheelDeltaY;      }
83        if ( 'wheelDeltaX' in orgEvent ) { deltaX = orgEvent.wheelDeltaX * -1; }
84
85        // Firefox < 17 horizontal scrolling related to DOMMouseScroll event
86        if ( 'axis' in orgEvent && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
87            deltaX = deltaY * -1;
88            deltaY = 0;
89        }
90
91        // Set delta to be deltaY or deltaX if deltaY is 0 for backwards compatabilitiy
92        delta = deltaY === 0 ? deltaX : deltaY;
93
94        // New school wheel delta (wheel event)
95        if ( 'deltaY' in orgEvent ) {
96            deltaY = orgEvent.deltaY * -1;
97            delta  = deltaY;
98        }
99        if ( 'deltaX' in orgEvent ) {
100            deltaX = orgEvent.deltaX;
101            if ( deltaY === 0 ) { delta  = deltaX * -1; }
102        }
103
104        // No change actually happened, no reason to go any further
105        if ( deltaY === 0 && deltaX === 0 ) { return; }
106
107        // Store lowest absolute delta to normalize the delta values
108        absDelta = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
109        if ( !lowestDelta || absDelta < lowestDelta ) {
110            lowestDelta = absDelta;
111        }
112
113        // Get a whole, normalized value for the deltas
114        delta  = Math[ delta  >= 1 ? 'floor' : 'ceil' ](delta  / lowestDelta);
115        deltaX = Math[ deltaX >= 1 ? 'floor' : 'ceil' ](deltaX / lowestDelta);
116        deltaY = Math[ deltaY >= 1 ? 'floor' : 'ceil' ](deltaY / lowestDelta);
117
118        // Add information to the event object
119        event.deltaX = deltaX;
120        event.deltaY = deltaY;
121        event.deltaFactor = lowestDelta;
122
123        // Add event and delta to the front of the arguments
124        args.unshift(event, delta, deltaX, deltaY);
125
126        // Clearout lowestDelta after sometime to better
127        // handle multiple device types that give different
128        // a different lowestDelta
129        // Ex: trackpad = 3 and mouse wheel = 120