Files
netflix-speed/netflix-speed.user.js
2018-11-29 21:08:31 +01:00

71 lines
2.1 KiB
JavaScript

// ==UserScript==
// @name netflix-speed
// @version 0.9
// @include https://www.netflix.com/*
// ==/UserScript==
function find_controls() {
return new Promise(function(resolve, reject) {
var observer = new MutationObserver(function(mutationsList) {
mutationsList.forEach(function(mutation) {
var nodes = Array.from(mutation.addedNodes);
for (var node of nodes) {
var elem = node.querySelector('.button-nfplayerNextEpisode') || node.querySelector('.button-nfplayerEpisodes') || node.querySelector('.button-nfplayerSubtitles');
if (node.matches && node.matches('.AkiraPlayer') && elem) {
resolve(elem.parentNode);
return;
}
}
});
});
observer.observe(document.documentElement, { childList: true, subtree: true });
});
}
function inject_controls() {
find_controls().then(function(controls) {
/* remove report a problem button */
if (document.querySelector('div.ReportAProblemPopupContainer'))
document.querySelector('div.ReportAProblemPopupContainer').remove();
/* don't inject multiple times */
if (document.querySelector('#speed-control'))
return;
/* create speed_control element */
var speed_control = document.createElement('div');
speed_control.innerHTML = `<select>
<option value=0.5>0.5</option>
<option value=0.75>0.75</option>
<option value=1.0 selected="selected">Normal</option>
<option value=1.25>1.25</option>
<option value=1.5>1.5</option>
<option value=1.75>1.75</option>
<option value=2.0>2.0</option>
</select>`;
speed_control.id = 'speed-control';
speed_control.style.cssText = `
padding: 0 0 1.68em 0;
margin: 0 1.5em;`;
speed_control.firstChild.style.cssText = `
-webkit-appearance: none;
background: none;
border: none;
font-size: 2.2em;
text-align: right;`;
speed_control.firstChild.onchange = function() {
document.querySelector('.VideoContainer video').playbackRate = this.value;
};
/* inject speed_control element */
controls.before(speed_control);
/* redo injection, in case of video change, ... */
inject_controls();
});
};
/* initial run of injection */
inject_controls();