Safari Embedded WebM Support

Lets Safari play embedded WebM videos on supported imageboards: 4chan, 8chan, Gelbooru and Danbooru.

Verze ze dne 30. 04. 2019. Zobrazit nejnovější verzi.

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

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 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         Safari Embedded WebM Support
// @namespace    safari-embedded-webm-support
// @version      1.2
// @description  Lets Safari play embedded WebM videos on supported imageboards: 4chan, 8chan, Gelbooru and Danbooru.
// @author       Calumks
// @grant        none
// @run-at       document-end
// @match        *://boards.4chan.org/*
// @match        *://8ch.net/*
// @match        *://gelbooru.com/index.php?page=post&*
// @match        *://danbooru.donmai.us/posts/*
// ==/UserScript==

(function() {
    'use strict';

    // Create the VLC video player
    function createVLC(video) {
        let vlc = document.createElement('embed');
        vlc.setAttribute('autoplay', true);
        vlc.setAttribute('loop', true);
        vlc.setAttribute('class', video.getAttribute('class'));
        vlc.setAttribute('type', 'application/x-vlc-plugin');
        vlc.setAttribute('pluginspage', 'http://www.videolan.org');
        vlc.setAttribute('width', 855);
        vlc.setAttribute('height', 481);
        vlc.setAttribute(
            'target', video.src || video.querySelector('source').src
        );
        video.after(vlc);
        video.setAttribute(
            'style', 'opacity: 0; height: 0; width: 0; display: none'
        );
        if (document.querySelector('a[title^="4chan X"]')) {
            let thumbnail = video.parentNode.querySelector('img');
            thumbnail.setAttribute('style', 'display: none');
            video.removeAttribute('src');
        }
        return vlc;
    }

    // Destroy the VLC player
    function destroyVLC(video, embed) {
        if (document.querySelector('a[title^="4chan X"]')) {
            let thumbnail = embed.parentNode.querySelector('img');
            thumbnail.removeAttribute('style');
            video.src = embed.target;
        }
        embed.remove();
    }

    // Filter observer nodes to video elements.
    function filterNodes(nodes) {
        nodes = Array.from(nodes);
        let n1 = nodes.filter(n => n instanceof HTMLVideoElement);
        let n2 = nodes
            .filter(n => n instanceof HTMLElement)
            .map(n => n.querySelector('video'))
            .filter(n => n);
        return n1.concat(n2);
    }

    // Dynamic videos
    new MutationObserver(mutations => {
        for(let mutation of mutations) {
            filterNodes(mutation.addedNodes).map(n => createVLC(n));
            filterNodes(mutation.removedNodes).map(n =>
                destroyVLC(n, mutation.target.querySelector('embed')));
        }
    }).observe(document, {attributes: false, childList: true, subtree: true});

    // On page load
    let video = document.querySelector('video');
    ! video || createVLC(video);
})();