Image Wizard

Does some magic with images.

Stan na 02-05-2018. Zobacz najnowsza wersja.

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Greasemonkey lub Violentmonkey.

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

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Violentmonkey.

Aby zainstalować ten skrypt, wymagana będzie instalacja rozszerzenia Tampermonkey lub Userscripts.

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

Aby zainstalować ten skrypt, musisz zainstalować rozszerzenie menedżera skryptów użytkownika.

(Mam już menedżera skryptów użytkownika, pozwól mi to zainstalować!)

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.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Musisz zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

(Mam już menedżera stylów użytkownika, pozwól mi to zainstalować!)

// ==UserScript==
// @name         Image Wizard
// @namespace    https://github.com/GrumpyCrouton/Userscripts
// @version      1.5
// @description  Does some magic with images.
// @author       GrumpyCrouton
// @match        *://*.stackoverflow.com/*
// @match        *://*.stackexchange.com/*
// @match        *://*.superuser.com/*
// @require  https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js
// @require https://greasyfork.org/scripts/48306-waitforkeyelements/code/waitForKeyElements.js?version=275769
// @grant        GM.xmlHttpRequest
// @grant    GM_addStyle
// @grant    GM.getValue
// ==/UserScript==
var proxy = "http://service.bypass123.com/index.php";
var replaceFrom = ["imgur.com", "facebook.com"];

var processEvery = 0;
//proces every x seconds (Useful until I can figure out how to detect when a new image or link is added to DOM. Set to 0 to disable.
//There is an automated way built into the script, processEvery is deprecated since v1.5 but can still be used if the automated method is not working for you.

/* DEBUG */
var debugImg = false;
var debugA = false;
var debug = false;

var supportedExtensions = ["png", "jpg", "gif"];

(function() {

    process();

    function handleImgTag() {
        $('img').each(function() {
            url = $(this).prop('src').split('?').shift();
			extension = url.split('.').pop();
            if (replaceFrom.some(function(v) {
                    return url.indexOf(v) >= 0;
                }) && supportedExtensions.some(function(v) {
                    return url.indexOf(v) >= 0;
                })) {
                if (!$(this).attr('processed')) {
                    $(this).attr('processed', true);
                    replaceImg(url, $(this));
                }
                return true;
            }
            if (debugImg) console.log("No URL match in <img>: " + url);
        });
    }

    function handleATag() {
        $('a').each(function() {
            url = $(this).prop('href').split('?').shift();
			extension = url.split('.').pop();
            if (replaceFrom.some(function(v) {
                    return url.indexOf(v) >= 0;
                }) && supportedExtensions.some(function(v) {
                    return url.indexOf(v) >= 0;
                })) {
                if ($(this).has('img').length < 1) {
                    replaceA(url, $(this));
                    return true;
                }
            }
            if (debugA) console.log("No URL match in <a>: " + url);
        });
    }

    function replaceImg(src, element) {
        GM.xmlHttpRequest({
            method: "POST",
            url: proxy,
            data: "url=" + src,
            headers: {
                "Content-Type": "application/x-www-form-urlencoded"
            },
            onload: function(response) {
                element.prop('src', response.finalUrl);
                element.prop('alt', "Image replaced by Image Wizard");

                parent_link = element.parent("a");
                if (parent_link.length) {
                    if (parent_link.prop('href') == src) {
                        parent_link.prop('href', response.finalUrl);
                        parent_link.prop('target', "_blank");
                    }
                } else {
                    element.wrap("<a href='" + response.finalUrl + "' target='_blank'></a>");
                }
                element = element.parent();

                if (element.parents('.post-text').length) {
                    wrapContentElement(element);
                } else {
                    wrapDefaultElement(element);
                }
            }
        });
    }

    function replaceA(src, element, addImg = true) {
        GM.xmlHttpRequest({
            method: "POST",
            url: proxy,
            data: "url=" + src,
            headers: {
                "Content-Type": "application/x-www-form-urlencoded"
            },
            onload: function(response) {
                if (element.parents('.post-text').length) {
                    element.text("");
                    element.append("<img src='" + response.finalUrl + "'></img>");
                    wrapContentElement(element);
                } else {
                    element.text("[Image Wizard");
                    element.wrap("<span></span>").parent('span').append("<a href='https://github.com/GrumpyCrouton/Userscripts/blob/master/Image%20Wizard'>]</a>");
                }
                element.prop('href', response.finalUrl).prop('target', "_blank");
            }
        });
    }

    function wrapContentElement(element) {
        element.wrap("<div class='module community-bulletin image-proxier'></div>");
        element = element.parent(".image-proxier");
        element.prepend("\
			<div class='bulletin-title'>\
				<center>\
					<a \
					style='text-decoration:none;' \
					href='https://github.com/GrumpyCrouton/Userscripts/blob/master/Image%20Wizard'>\
						Image Wizard\
					</a>\
				</center>\
			</div>\
			<hr>");
    }

    function wrapDefaultElement(element) {
        element.wrap("<span></span>");
    }

	function process() {
		if(debug) console.log("Processing page.");
		handleImgTag();
		handleATag();
	}

    $('img').on('load', function() {
        handleImgTag();
    });

    $('a').on('load', function() {
        handleATag();
    });

	if(processEvery) {
		setInterval (process, processEvery * 1000);
	}

    waitForKeyElements ("img", loadHandling);

    function loadHandling (jNode) {
        if (jNode[0].complete) {
            handlePostLoadedImg (jNode);
        }
        else {
            jNode.on ('load', handlePostLoadedImg);
        }
    }
    function handlePostLoadedImg (jNodeOrEvent) {
        var newImg;  //  will be jQuery node
        if (jNodeOrEvent instanceof jQuery) {
            newImg = jNodeOrEvent;
        }
        else {
            newImg = $(jNodeOrEvent.target);
        }
        handleImgTag();
    }

})();