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@@ -1,201 +0,0 @@
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-/*! Copyright (c) 2013 Brandon Aaron (http://brandon.aaron.sh)
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- * Licensed under the MIT License (LICENSE.txt).
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- *
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- * Version: 3.1.9
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- *
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- * Requires: jQuery 1.2.2+
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- */
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-
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-(function (factory) {
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- if ( typeof define === 'function' && define.amd ) {
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- // AMD. Register as an anonymous module.
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- define(['jquery'], factory);
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- } else if (typeof exports === 'object') {
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- // Node/CommonJS style for Browserify
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- module.exports = factory;
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- } else {
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- // Browser globals
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- factory(jQuery);
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- }
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-}(function ($) {
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-
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- var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll', 'MozMousePixelScroll'],
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- toBind = ( 'onwheel' in document || document.documentMode >= 9 ) ?
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- ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'],
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- slice = Array.prototype.slice,
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- nullLowestDeltaTimeout, lowestDelta;
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-
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- if ( $.event.fixHooks ) {
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- for ( var i = toFix.length; i; ) {
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- $.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks;
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- }
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- }
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-
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- var special = $.event.special.mousewheel = {
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- version: '3.1.9',
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-
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- setup: function() {
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- if ( this.addEventListener ) {
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- for ( var i = toBind.length; i; ) {
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- this.addEventListener( toBind[--i], handler, false );
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- }
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- } else {
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- this.onmousewheel = handler;
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- }
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- // Store the line height and page height for this particular element
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- $.data(this, 'mousewheel-line-height', special.getLineHeight(this));
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- $.data(this, 'mousewheel-page-height', special.getPageHeight(this));
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- },
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-
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- teardown: function() {
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- if ( this.removeEventListener ) {
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- for ( var i = toBind.length; i; ) {
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- this.removeEventListener( toBind[--i], handler, false );
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- }
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- } else {
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- this.onmousewheel = null;
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- }
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- },
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-
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- getLineHeight: function(elem) {
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- return parseInt($(elem)['offsetParent' in $.fn ? 'offsetParent' : 'parent']().css('fontSize'), 10);
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- },
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-
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- getPageHeight: function(elem) {
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- return $(elem).height();
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- },
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-
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- settings: {
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- adjustOldDeltas: true
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- }
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- };
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-
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- $.fn.extend({
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- mousewheel: function(fn) {
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- return fn ? this.bind('mousewheel', fn) : this.trigger('mousewheel');
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- },
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-
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- unmousewheel: function(fn) {
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- return this.unbind('mousewheel', fn);
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- }
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- });
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-
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-
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- function handler(event) {
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- var orgEvent = event || window.event,
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- args = slice.call(arguments, 1),
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- delta = 0,
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- deltaX = 0,
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- deltaY = 0,
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- absDelta = 0;
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- event = $.event.fix(orgEvent);
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- event.type = 'mousewheel';
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-
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- // Old school scrollwheel delta
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- if ( 'detail' in orgEvent ) { deltaY = orgEvent.detail * -1; }
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- if ( 'wheelDelta' in orgEvent ) { deltaY = orgEvent.wheelDelta; }
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- if ( 'wheelDeltaY' in orgEvent ) { deltaY = orgEvent.wheelDeltaY; }
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- if ( 'wheelDeltaX' in orgEvent ) { deltaX = orgEvent.wheelDeltaX * -1; }
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-
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- // Firefox < 17 horizontal scrolling related to DOMMouseScroll event
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- if ( 'axis' in orgEvent && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
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- deltaX = deltaY * -1;
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- deltaY = 0;
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- }
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-
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- // Set delta to be deltaY or deltaX if deltaY is 0 for backwards compatabilitiy
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- delta = deltaY === 0 ? deltaX : deltaY;
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-
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- // New school wheel delta (wheel event)
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- if ( 'deltaY' in orgEvent ) {
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- deltaY = orgEvent.deltaY * -1;
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- delta = deltaY;
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- }
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- if ( 'deltaX' in orgEvent ) {
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- deltaX = orgEvent.deltaX;
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- if ( deltaY === 0 ) { delta = deltaX * -1; }
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- }
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-
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- // No change actually happened, no reason to go any further
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- if ( deltaY === 0 && deltaX === 0 ) { return; }
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-
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- // Need to convert lines and pages to pixels if we aren't already in pixels
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- // There are three delta modes:
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- // * deltaMode 0 is by pixels, nothing to do
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- // * deltaMode 1 is by lines
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- // * deltaMode 2 is by pages
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- if ( orgEvent.deltaMode === 1 ) {
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- var lineHeight = $.data(this, 'mousewheel-line-height');
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- delta *= lineHeight;
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- deltaY *= lineHeight;
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- deltaX *= lineHeight;
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- } else if ( orgEvent.deltaMode === 2 ) {
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- var pageHeight = $.data(this, 'mousewheel-page-height');
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- delta *= pageHeight;
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- deltaY *= pageHeight;
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- deltaX *= pageHeight;
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- }
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-
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- // Store lowest absolute delta to normalize the delta values
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- absDelta = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
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-
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- if ( !lowestDelta || absDelta < lowestDelta ) {
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- lowestDelta = absDelta;
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-
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- // Adjust older deltas if necessary
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- if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
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- lowestDelta /= 40;
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- }
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- }
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-
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- // Adjust older deltas if necessary
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- if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
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- // Divide all the things by 40!
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- delta /= 40;
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- deltaX /= 40;
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- deltaY /= 40;
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- }
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-
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- // Get a whole, normalized value for the deltas
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- delta = Math[ delta >= 1 ? 'floor' : 'ceil' ](delta / lowestDelta);
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- deltaX = Math[ deltaX >= 1 ? 'floor' : 'ceil' ](deltaX / lowestDelta);
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- deltaY = Math[ deltaY >= 1 ? 'floor' : 'ceil' ](deltaY / lowestDelta);
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-
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- // Add information to the event object
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- event.deltaX = deltaX;
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- event.deltaY = deltaY;
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- event.deltaFactor = lowestDelta;
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- // Go ahead and set deltaMode to 0 since we converted to pixels
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- // Although this is a little odd since we overwrite the deltaX/Y
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- // properties with normalized deltas.
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- event.deltaMode = 0;
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-
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- // Add event and delta to the front of the arguments
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- args.unshift(event, delta, deltaX, deltaY);
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-
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- // Clearout lowestDelta after sometime to better
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- // handle multiple device types that give different
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- // a different lowestDelta
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- // Ex: trackpad = 3 and mouse wheel = 120
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- if (nullLowestDeltaTimeout) { clearTimeout(nullLowestDeltaTimeout); }
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- nullLowestDeltaTimeout = setTimeout(nullLowestDelta, 200);
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-
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- return ($.event.dispatch || $.event.handle).apply(this, args);
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- }
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-
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- function nullLowestDelta() {
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- lowestDelta = null;
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- }
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-
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- function shouldAdjustOldDeltas(orgEvent, absDelta) {
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- // If this is an older event and the delta is divisable by 120,
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- // then we are assuming that the browser is treating this as an
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- // older mouse wheel event and that we should divide the deltas
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- // by 40 to try and get a more usable deltaFactor.
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- // Side note, this actually impacts the reported scroll distance
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- // in older browsers and can cause scrolling to be slower than native.
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- // Turn this off by setting $.event.special.mousewheel.settings.adjustOldDeltas to false.
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- return special.settings.adjustOldDeltas && orgEvent.type === 'mousewheel' && absDelta % 120 === 0;
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- }
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-
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-}));
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