Hide Scrollbars in Firefox
目前為
// ==UserScript==
// @name Firefox Hide Scrollbars
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Hide Scrollbars in Firefox
// @author qashto
// @match *://*/*
// @grant none
// @require https://code.jquery.com/jquery-3.3.1.min.js
// ==/UserScript==
/*!
* jQuery Mousewheel 3.1.13
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license
* http://jquery.org/license
*/
(function(factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS style for Browserify
module.exports = factory;
} else {
// Browser globals
factory(jQuery);
}
}(function($) {
var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll', 'MozMousePixelScroll'],
toBind = ('onwheel' in document || document.documentMode >= 9) ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'],
slice = Array.prototype.slice,
nullLowestDeltaTimeout, lowestDelta;
if ($.event.fixHooks) {
for (var i = toFix.length; i;) {
$.event.fixHooks[toFix[--i]] = $.event.mouseHooks;
}
}
var special = $.event.special.mousewheel = {
version: '3.1.12',
setup: function() {
if (this.addEventListener) {
for (var i = toBind.length; i;) {
this.addEventListener(toBind[--i], handler, false);
}
} else {
this.onmousewheel = handler;
}
// Store the line height and page height for this particular element
$.data(this, 'mousewheel-line-height', special.getLineHeight(this));
$.data(this, 'mousewheel-page-height', special.getPageHeight(this));
},
teardown: function() {
if (this.removeEventListener) {
for (var i = toBind.length; i;) {
this.removeEventListener(toBind[--i], handler, false);
}
} else {
this.onmousewheel = null;
}
// Clean up the data we added to the element
$.removeData(this, 'mousewheel-line-height');
$.removeData(this, 'mousewheel-page-height');
},
getLineHeight: function(elem) {
var $elem = $(elem),
$parent = $elem['offsetParent' in $.fn ? 'offsetParent' : 'parent']();
if (!$parent.length) {
$parent = $('body');
}
return parseInt($parent.css('fontSize'), 10) || parseInt($elem.css('fontSize'), 10) || 16;
},
getPageHeight: function(elem) {
return $(elem).height();
},
settings: {
adjustOldDeltas: true, // see shouldAdjustOldDeltas() below
normalizeOffset: true // calls getBoundingClientRect for each event
}
};
$.fn.extend({
mousewheel: function(fn) {
return fn ? this.bind('mousewheel', fn) : this.trigger('mousewheel');
},
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,
offsetX = 0,
offsetY = 0;
event = $.event.fix(orgEvent);
event.type = 'mousewheel';
// Old school scrollwheel delta
if ('detail' in orgEvent) {
deltaY = orgEvent.detail * -1;
}
if ('wheelDelta' in orgEvent) {
deltaY = orgEvent.wheelDelta;
}
if ('wheelDeltaY' in orgEvent) {
deltaY = orgEvent.wheelDeltaY;
}
if ('wheelDeltaX' in orgEvent) {
deltaX = orgEvent.wheelDeltaX * -1;
}
// Firefox < 17 horizontal scrolling related to DOMMouseScroll event
if ('axis' in orgEvent && orgEvent.axis === orgEvent.HORIZONTAL_AXIS) {
deltaX = deltaY * -1;
deltaY = 0;
}
// Set delta to be deltaY or deltaX if deltaY is 0 for backwards compatabilitiy
delta = deltaY === 0 ? deltaX : deltaY;
// New school wheel delta (wheel event)
if ('deltaY' in orgEvent) {
deltaY = orgEvent.deltaY * -1;
delta = deltaY;
}
if ('deltaX' in orgEvent) {
deltaX = orgEvent.deltaX;
if (deltaY === 0) {
delta = deltaX * -1;
}
}
// No change actually happened, no reason to go any further
if (deltaY === 0 && deltaX === 0) {
return;
}
// Need to convert lines and pages to pixels if we aren't already in pixels
// There are three delta modes:
// * deltaMode 0 is by pixels, nothing to do
// * deltaMode 1 is by lines
// * deltaMode 2 is by pages
if (orgEvent.deltaMode === 1) {
var lineHeight = $.data(this, 'mousewheel-line-height');
delta *= lineHeight;
deltaY *= lineHeight;
deltaX *= lineHeight;
} else if (orgEvent.deltaMode === 2) {
var pageHeight = $.data(this, 'mousewheel-page-height');
delta *= pageHeight;
deltaY *= pageHeight;
deltaX *= pageHeight;
}
// Store lowest absolute delta to normalize the delta values
absDelta = Math.max(Math.abs(deltaY), Math.abs(deltaX));
if (!lowestDelta || absDelta < lowestDelta) {
lowestDelta = absDelta;
// Adjust older deltas if necessary
if (shouldAdjustOldDeltas(orgEvent, absDelta)) {
lowestDelta /= 40;
}
}
// Adjust older deltas if necessary
if (shouldAdjustOldDeltas(orgEvent, absDelta)) {
// Divide all the things by 40!
delta /= 40;
deltaX /= 40;
deltaY /= 40;
}
// Get a whole, normalized value for the deltas
delta = Math[delta >= 1 ? 'floor' : 'ceil'](delta / lowestDelta);
deltaX = Math[deltaX >= 1 ? 'floor' : 'ceil'](deltaX / lowestDelta);
deltaY = Math[deltaY >= 1 ? 'floor' : 'ceil'](deltaY / lowestDelta);
// Normalise offsetX and offsetY properties
if (special.settings.normalizeOffset && this.getBoundingClientRect) {
var boundingRect = this.getBoundingClientRect();
offsetX = event.clientX - boundingRect.left;
offsetY = event.clientY - boundingRect.top;
}
// Add information to the event object
event.deltaX = deltaX;
event.deltaY = deltaY;
event.deltaFactor = lowestDelta;
event.offsetX = offsetX;
event.offsetY = offsetY;
// Go ahead and set deltaMode to 0 since we converted to pixels
// Although this is a little odd since we overwrite the deltaX/Y
// properties with normalized deltas.
event.deltaMode = 0;
// Add event and delta to the front of the arguments
args.unshift(event, delta, deltaX, deltaY);
// Clearout lowestDelta after sometime to better
// handle multiple device types that give different
// a different lowestDelta
// Ex: trackpad = 3 and mouse wheel = 120
if (nullLowestDeltaTimeout) {
clearTimeout(nullLowestDeltaTimeout);
}
nullLowestDeltaTimeout = setTimeout(nullLowestDelta, 200);
return ($.event.dispatch || $.event.handle).apply(this, args);
}
function nullLowestDelta() {
lowestDelta = null;
}
function shouldAdjustOldDeltas(orgEvent, absDelta) {
// If this is an older event and the delta is divisable by 120,
// then we are assuming that the browser is treating this as an
// older mouse wheel event and that we should divide the deltas
// by 40 to try and get a more usable deltaFactor.
// Side note, this actually impacts the reported scroll distance
// in older browsers and can cause scrolling to be slower than native.
// Turn this off by setting $.event.special.mousewheel.settings.adjustOldDeltas to false.
return special.settings.adjustOldDeltas && orgEvent.type === 'mousewheel' && absDelta % 120 === 0;
}
}));
$(function() {
const er = console.error;
const log = console.log;
$('head').append(`
<style>
@-moz-document url-prefix() {
html,body{
overflow: hidden !important;
}
}
</style>
`);
let scrollPage = true;
$('html,body').bind('mousewheel', function(event) {
if (scrollPage) {
event.preventDefault();
var scrollTop = this.scrollTop;
this.scrollTop = (scrollTop + ((event.deltaY * event.deltaFactor) * -1));
log(event.deltaY, event.deltaFactor, event.originalEvent.deltaMode, event.originalEvent.wheelDelta);
}
});
$('textarea').bind('mousewheel', function(event) {
event.preventDefault();
var scrollTop = this.scrollTop;
this.scrollTop = (scrollTop + ((event.deltaY * event.deltaFactor) * -1));
log(event.deltaY, event.deltaFactor, event.originalEvent.deltaMode, event.originalEvent.wheelDelta);
});
$("textarea").mouseover(function() {
scrollPage = false;
}).mouseout(function() {
scrollPage = true;
});
});