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https://github.com/jellyfin/jellyfin-web
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audio fix for firefox
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Luke Pulverenti
parent
cac0ffef2f
commit
f4717a82f1
3 changed files with 378 additions and 53 deletions
294
dashboard-ui/thirdparty/html5slider.js
vendored
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294
dashboard-ui/thirdparty/html5slider.js
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/*
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html5slider - a JS implementation of <input type=range> for Firefox 16 and up
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https://github.com/fryn/html5slider
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Copyright (c) 2010-2013 Frank Yan, <http://frankyan.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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(function() {
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// test for native support
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var test = document.createElement('input');
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try {
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test.type = 'range';
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if (test.type == 'range')
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return;
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} catch (e) {
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return;
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}
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// test for required property support
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test.style.background = 'linear-gradient(red, red)';
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if (!test.style.backgroundImage || !('MozAppearance' in test.style))
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return;
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var scale;
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var isMac = navigator.platform == 'MacIntel';
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var thumb = {
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radius: isMac ? 9 : 6,
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width: isMac ? 22 : 12,
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height: isMac ? 16 : 20
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};
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var track = 'linear-gradient(transparent ' + (isMac ?
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'6px, #999 6px, #999 7px, #ccc 8px, #bbb 9px, #bbb 10px, transparent 10px' :
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'9px, #999 9px, #bbb 10px, #fff 11px, transparent 11px') +
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', transparent)';
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var styles = {
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'min-width': thumb.width + 'px',
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'min-height': thumb.height + 'px',
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'max-height': thumb.height + 'px',
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padding: '0 0 ' + (isMac ? '2px' : '1px'),
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border: 0,
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'border-radius': 0,
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cursor: 'default',
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'text-indent': '-999999px' // -moz-user-select: none; breaks mouse capture
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};
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var options = {
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attributes: true,
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attributeFilter: ['min', 'max', 'step', 'value']
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};
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var onInput = document.createEvent('HTMLEvents');
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onInput.initEvent('input', true, false);
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var onChange = document.createEvent('HTMLEvents');
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onChange.initEvent('change', true, false);
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if (document.readyState == 'loading')
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document.addEventListener('DOMContentLoaded', initialize, true);
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else
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initialize();
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addEventListener('pageshow', recreate, true);
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function initialize() {
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// create initial sliders
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recreate();
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// create sliders on-the-fly
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new MutationObserver(function(mutations) {
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mutations.forEach(function(mutation) {
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if (mutation.addedNodes)
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Array.forEach(mutation.addedNodes, function(node) {
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if (!(node instanceof Element))
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;
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else if (node.childElementCount)
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Array.forEach(node.querySelectorAll('input[type=range]'), check);
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else if (node.mozMatchesSelector('input[type=range]'))
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check(node);
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});
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});
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}).observe(document, { childList: true, subtree: true });
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}
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function recreate() {
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Array.forEach(document.querySelectorAll('input[type=range]'), check);
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}
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function check(input) {
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if (input.type != 'range')
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transform(input);
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}
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function transform(slider) {
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var isValueSet, areAttrsSet, isUI, isClick, prevValue, rawValue, prevX;
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var min, max, step, range, value = slider.value;
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// lazily create shared slider affordance
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if (!scale) {
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scale = document.body.appendChild(document.createElement('hr'));
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style(scale, {
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'-moz-appearance': isMac ? 'scale-horizontal' : 'scalethumb-horizontal',
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display: 'block',
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visibility: 'visible',
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opacity: 1,
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position: 'fixed',
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top: '-999999px'
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});
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document.mozSetImageElement('__sliderthumb__', scale);
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}
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// reimplement value and type properties
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var getValue = function() { return '' + value; };
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var setValue = function setValue(val) {
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value = '' + val;
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isValueSet = true;
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draw();
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delete slider.value;
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slider.value = value;
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slider.__defineGetter__('value', getValue);
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slider.__defineSetter__('value', setValue);
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};
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slider.__defineGetter__('value', getValue);
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slider.__defineSetter__('value', setValue);
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Object.defineProperty(slider, 'type', {
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get: function() { return 'range'; }
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});
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// sync properties with attributes
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['min', 'max', 'step'].forEach(function(name) {
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if (slider.hasAttribute(name))
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areAttrsSet = true;
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Object.defineProperty(slider, name, {
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get: function() {
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return this.hasAttribute(name) ? this.getAttribute(name) : '';
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},
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set: function(val) {
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val === null ?
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this.removeAttribute(name) :
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this.setAttribute(name, val);
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}
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});
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});
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// initialize slider
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slider.readOnly = true;
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style(slider, styles);
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update();
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new MutationObserver(function(mutations) {
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mutations.forEach(function(mutation) {
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if (mutation.attributeName != 'value') {
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update();
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areAttrsSet = true;
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}
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// note that value attribute only sets initial value
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else if (!isValueSet) {
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value = slider.getAttribute('value');
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draw();
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}
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});
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}).observe(slider, options);
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slider.addEventListener('mousedown', onDragStart, true);
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slider.addEventListener('keydown', onKeyDown, true);
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slider.addEventListener('focus', onFocus, true);
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slider.addEventListener('blur', onBlur, true);
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function onDragStart(e) {
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isClick = true;
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setTimeout(function() { isClick = false; }, 0);
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if (e.button || !range)
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return;
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var width = parseFloat(getComputedStyle(this).width);
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var multiplier = (width - thumb.width) / range;
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if (!multiplier)
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return;
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// distance between click and center of thumb
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var dev = e.clientX - this.getBoundingClientRect().left - thumb.width / 2 -
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(value - min) * multiplier;
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// if click was not on thumb, move thumb to click location
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if (Math.abs(dev) > thumb.radius) {
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isUI = true;
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this.value -= -dev / multiplier;
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}
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rawValue = value;
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prevX = e.clientX;
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this.addEventListener('mousemove', onDrag, true);
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this.addEventListener('mouseup', onDragEnd, true);
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}
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function onDrag(e) {
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var width = parseFloat(getComputedStyle(this).width);
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var multiplier = (width - thumb.width) / range;
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if (!multiplier)
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return;
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rawValue += (e.clientX - prevX) / multiplier;
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prevX = e.clientX;
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isUI = true;
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this.value = rawValue;
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}
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function onDragEnd() {
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this.removeEventListener('mousemove', onDrag, true);
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this.removeEventListener('mouseup', onDragEnd, true);
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slider.dispatchEvent(onInput);
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slider.dispatchEvent(onChange);
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}
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function onKeyDown(e) {
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if (e.keyCode > 36 && e.keyCode < 41) { // 37-40: left, up, right, down
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onFocus.call(this);
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isUI = true;
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this.value = value + (e.keyCode == 38 || e.keyCode == 39 ? step : -step);
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}
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}
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function onFocus() {
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if (!isClick)
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this.style.boxShadow = !isMac ? '0 0 0 2px #fb0' :
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'inset 0 0 20px rgba(0,127,255,.1), 0 0 1px rgba(0,127,255,.4)';
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}
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function onBlur() {
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this.style.boxShadow = '';
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}
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// determines whether value is valid number in attribute form
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function isAttrNum(value) {
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return !isNaN(value) && +value == parseFloat(value);
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}
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// validates min, max, and step attributes and redraws
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function update() {
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min = isAttrNum(slider.min) ? +slider.min : 0;
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max = isAttrNum(slider.max) ? +slider.max : 100;
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if (max < min)
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max = min > 100 ? min : 100;
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step = isAttrNum(slider.step) && slider.step > 0 ? +slider.step : 1;
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range = max - min;
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draw(true);
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}
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// recalculates value property
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function calc() {
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if (!isValueSet && !areAttrsSet)
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value = slider.getAttribute('value');
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if (!isAttrNum(value))
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value = (min + max) / 2;;
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// snap to step intervals (WebKit sometimes does not - bug?)
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value = Math.round((value - min) / step) * step + min;
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if (value < min)
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value = min;
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else if (value > max)
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value = min + ~~(range / step) * step;
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}
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// renders slider using CSS background ;)
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function draw(attrsModified) {
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calc();
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var wasUI = isUI;
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isUI = false;
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if (wasUI && value != prevValue)
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slider.dispatchEvent(onInput);
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if (!attrsModified && value == prevValue)
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return;
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prevValue = value;
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var position = range ? (value - min) / range * 100 : 0;
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var bg = '-moz-element(#__sliderthumb__) ' + position + '% no-repeat, ';
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style(slider, { background: bg + track });
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}
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}
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function style(element, styles) {
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for (var prop in styles)
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element.style.setProperty(prop, styles[prop], 'important');
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}
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})();
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