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Gfycat AutoHD

Automatically sets Gfycat/RedGifs video to HD mode and other improvements

目前為 2020-06-22 提交的版本，檢視 最新版本。

// ==UserScript==
// @name Gfycat AutoHD
// @author Invertex
// @description Automatically sets Gfycat/RedGifs video to HD mode and other improvements
// @icon https://github.com/Invertex/Gfycat-AutoHD/raw/master/logo.png
// @namespace https://greasyfork.org/users/137547
// @license GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @homepageURL https://github.com/Invertex/Gfycat-AutoHD
// @supportURL https://github.com/Invertex/Gfycat-AutoHD
// @version 1.56
// @match *://*.gifdeliverynetwork.com/*
// @match *://cdn.embedly.com/widgets/media.html?src=*://*.gfycat.com/*
// @match *://cdn.embedly.com/widgets/media.html?src=*://*.redgifs.com/*
// @match *://*.gfycat.com/*
// @match *://*.redgifs.com/*
// @require https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js
// @grant none
// @run-at document-start

// ==/UserScript==

var isAdultSite;
const thumbsSubDomain = '//thumbs.';
const hdSubDomain = '//giant.';
const mobileAffix = '-mobile.';
const iframeVideoClass = 'video.media';
const settingsButtonClass = 'span.settings-button div.quality';
const progressControlClass = '.progress-control';
const proUpgradeClass = '.pro-cta';
const proUpgradeNotificationClass = '.toast-notification--pro-cta';
const topSlotAdClass = '.top-slot';
const sideSlotAdClass = '.side-slot';
const trackingPixel = 'img.tracking-pixel';
const autoplayButtonSelector = "div.upnext-control div.switch input[type='checkbox']";

//Extra option to force Autoplay on/off if user wants to set this manually in the script so the setting can work in private browsing modes as well. You will have to edit this value again whenever a script update is pushed though.
const autoplayForcedOnOff = null; //Replace 'null' with 'true' or 'false' depending on how you want Autoplay to always behave.

(function()
{
    var url = window.location.href;
    isAdultSite = url.includes("redgifs.");

    if (url.includes(thumbsSubDomain))
    {
        setHDURL(url);
    }
    else if(url.includes('embedly') || url.includes('gifdeliverynetwork'))
    {
        waitForKeyElements(iframeVideoClass, removeMobileQualityVideos);
        waitForKeyElements('span.hosted-by-text', removeUglyHostedByText);
        waitForKeyElements(progressControlClass, customizeProgressBar, true);
        //C'mon gfycat, don't be doing that cross-site tracking
        waitForKeyElements(trackingPixel, removeTracker);
    }
    else
    {
        waitForKeyElements(settingsButtonClass, changeQualitySettings);
        waitForKeyElements(proUpgradeClass, hideElem);
        waitForKeyElements(proUpgradeNotificationClass, hideElem);
        //Delete the third-party advertisements in case adblockers aren't able to catch them.
        waitForKeyElements(topSlotAdClass, hideElem);
        waitForKeyElements(sideSlotAdClass, hideElem);
		if(autoplayForcedOnOff !== null) { waitForKeyElements(autoplayButtonSelector, setAutoplayState); }
    }
})();

function setHDURL(url)
{
    url = url.replace(thumbsSubDomain, hdSubDomain);
    if(url.includes(mobileAffix))
    {
        url = url.replace(mobileAffix, '.');
    }
    window.location = url;
};

function removeMobileQualityVideos(video)
{
    //For some reason video returns null... but this will work
    video = document.querySelector(iframeVideoClass);
    let sources = video.getElementsByTagName("SOURCE");

    for(let i = sources.length - 1; i >= 0; i--)
    {
        if(sources[i].src.includes(mobileAffix)) { sources[i].remove(); }
    }

    video.load();
};

function removeUglyHostedByText(hostedTextElem)
{
    if(hostedTextElem != null) { hostedTextElem.remove(); }
};

function removeTracker(tracker)
{
    if(tracker != null) { tracker.remove(); }
};

function changeQualitySettings(settingsButton)
{
    if(settingsButton)
    {
		settingsButton.parent().click();
    }
    waitForKeyElements(progressControlClass, customizeProgressBar, true);
};

function hideElem(elem)
{
    if(elem) { elem.hide(); }
};

function customizeProgressBar(progressBar)
{
    if(progressBar)
    {
        if(isAdultSite) { progressBar.attr('style', "height:2.4mm;"); }
        else
        {
            progressBar.attr('style', "height:2.4mm; background-color: hsla(0,0%,100%,.1);");
            progressBar.find('.hover-progress').attr('style', "background-color: hsla(0,0%,100%,.2);");
            progressBar.find('.play-progress').attr('style', "background-image: linear-gradient(90deg,rgba(58,168,255,0.3),rgba(36,117,255,0.3));");
        }
        progressBar.find('.progress-knob').attr('style', "margin-top: 0.6em;");
    }
};

function setAutoplayState(autoplayButton)
{
	if(autoplayButton !== null && autoplayButton[0].hasAttribute('checked') != autoplayForcedOnOff)
	{
        autoplayButton.click();
	}
};

//Had to directly include waitForKeyElements.js since Greasyfork hasn't approved the include...
//Following function by https://gist.github.com/BrockA
function waitForKeyElements (
    selectorTxt,    /* Required: The jQuery selector string that specifies the desired element(s). */
    actionFunction, /* Required: The code to run when elements are found. It is passed a jNode to the matched element. */
    bWaitOnce,      /* Optional: If false, will continue to scan for new elements even after the first match is found. */
    iframeSelector  /* Optional: If set, identifies the iframe to search. */
) {
    var targetNodes, btargetsFound;

    if (typeof iframeSelector == "undefined")
        targetNodes = $(selectorTxt);
    else
        targetNodes = $(iframeSelector).contents().find (selectorTxt);

    if (targetNodes && targetNodes.length > 0)
    {
        btargetsFound = true;
        /*--- Found target node(s).  Go through each and act if they
            are new.
        */
        targetNodes.each( function()
        {
            var jThis        = $(this);
            var alreadyFound = jThis.data ('alreadyFound') || false;

            if (!alreadyFound)
            {
                //--- Call the payload function.
                var cancelFound = actionFunction (jThis);
                if (cancelFound) { btargetsFound = false; }
                else { jThis.data ('alreadyFound', true); }
            }
        } );
    }
    else { btargetsFound = false; }

    //--- Get the timer-control variable for this selector.
    var controlObj      = waitForKeyElements.controlObj  ||  {};
    var controlKey      = selectorTxt.replace (/[^\w]/g, "_");
    var timeControl     = controlObj [controlKey];

    //--- Now set or clear the timer as appropriate.
    if (btargetsFound && bWaitOnce && timeControl) {
        //--- The only condition where we need to clear the timer.
        clearInterval (timeControl);
        delete controlObj [controlKey]
    }
    else {
        //--- Set a timer, if needed.
        if ( ! timeControl) {
            timeControl = setInterval (function(){ waitForKeyElements(selectorTxt, actionFunction, bWaitOnce, iframeSelector); }, 300);
            controlObj [controlKey] = timeControl;
        }
    }
    waitForKeyElements.controlObj = controlObj;
}