YouTube Keep Video When Scrolling

Keeps the video in the same place when scrolling on a YouTube page.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         YouTube Keep Video When Scrolling
// @namespace    http://skoshy.com
// @version      0.2
// @description  Keeps the video in the same place when scrolling on a YouTube page.
// @author       Stefan Koshy
// @match        https://www.youtube.com/watch?*
// @grant        none
// ==/UserScript==
/* jshint -W097 */
'use strict';

var id = 'youtubeKeepVideoWhenScrolling';

var keepVideoStyle = `
    #player .player-api {
      position: fixed;
      padding-top: 12px;
      padding-bottom: 10px;
      background: #f1f1f1;
      margin-top: -1px;
    }
    .watch-non-stage-mode #player .player-api {
      box-shadow: 1px 1px rgba(241,241,241,1),-1px 1px rgba(241,241,241,1);
    }
    .watch-stage-mode #player .player-api {
      padding-top:10px;
      padding-bottom: 0;
      margin-top: 0;
    }
`;

var otherStyle = `
    #`+id+`PinButton {
      box-sizing: border-box;
      width: 32px 
    }

    #`+id+`PinButton img {
      width: 100%;
      filter: invert(1);
      -webkit-filter: invert(1);
      padding: 3px;
      box-sizing: border-box;
    }
`;


function addGlobalStyle(css, cssID) {
    var head, style;
    head = document.getElementsByTagName('head')[0];
    if (!head) { return; }
    style = document.createElement('style');
    style.id = cssID;
    style.type = 'text/css';
    style.innerHTML = css;
    head.appendChild(style);
}

addGlobalStyle(keepVideoStyle, id+'CSS');
addGlobalStyle(otherStyle, id+'OtherCSS');

// add the button to the player
var ytControls = document.querySelector('.ytp-right-controls');
var ytSettingsButton = document.querySelector('.ytp-settings-button');

var pinButton = document.createElement('button');
pinButton.innerHTML = '<img src="http://i.imgur.com/m4vqtk1.png"/>';
pinButton.id = id+'PinButton';
pinButton.className = 'ytp-button';
pinButton.onclick = function() {
    var style = document.querySelector('#'+id+'CSS');
    if (style.disabled === false)
        style.disabled = true;
    else
        style.disabled = false;
};

ytControls.insertBefore(pinButton, ytSettingsButton);