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dark theme for codeforces
// ==UserScript==
// @name Codechef theme
// @version 2.0.0
// @description dark theme for codeforces
// @author Gaurang Tandon
// @match https://codeforces.com/*
// @match http://codeforces.com/*
// @match https://www.codechef.com/*
// @match https://calendar.google.com/calendar/embed*
// @match https://www.facebook.com/v2.8/plugins/like.php*
// @resource desertCSS desert.css
// @resource monokaiEditorTheme https://raw.githubusercontent.com/ajaxorg/ace/master/lib/ace/theme/monokai.css
// @resource darkthemecss darktheme.css
// @grant GM_addStyle
// @grant GM_getResourceText
// @run-at document-start
// @namespace https://greasyfork.org/users/920052
// ==/UserScript==
(function () {
"use strict";
var colors = {
tableGreyRow: "#2e2e2e",
whiteTextColor: "rgb(220, 220, 220)",
inputBoxBackgroundBorderColor: "#383838",
redColorJustPassesA11Y: "#ff3333",
genericLinkBlueColor: "#4d9fef"
};
function overrideStyleAttribute(elm, prop, value) {
elm.setAttribute("style", elm.getAttribute("style") + `; ${prop}: ${value} !important; `);
}
if (window.self != window.top && /calendar\.google\.com/.test(window.self.location.hostname)) {
// cannot add the other styles as they interfere with
// calendar's elements (since the selectors are so generic)
GM_addStyle(`
/* google calendar logo, see #13 */
div.logo-plus-button {
filter: invert(1) hue-rotate(180deg);
}`);
// rest of the google calendar has already been inverted
// so return
return;
}
var style = GM_getResourceText("darkthemecss"),
desertCSS = GM_getResourceText("desertCSS");
GM_addStyle(style);
GM_addStyle(desertCSS);
// to avoid long FOUT duration
function applyFuncWhenElmLoaded(sel, func) {
var elm = document.querySelectorAll(sel);
if (!elm || elm.length == 0) return setTimeout(applyFuncWhenElmLoaded, 100, sel, func);
for (let i = 0, len = elm.length; i < len; i++) func(elm[i]);
}
// some properties are added via element.style
// need to override them via javascript
// div div h3 a = the top header "@user's blog" whose color property is added via js
applyFuncWhenElmLoaded(
"#pageContent div div h3 a, .comment-table.highlight-blue .right .ttypography p, .comment-table.highlight-blue .right .info",
function (elm) {
var obs = new MutationObserver(function (mutationList, observer) {
mutationList.forEach(function (mutation) {
if (mutation.type == "attributes" && mutation.attributeName == "style") {
elm.setAttribute("style", elm.getAttribute("style") + "; color: white !important; ");
}
});
});
overrideStyleAttribute(elm, "color", "white");
obs.observe(elm, { attributes: true });
}
);
applyFuncWhenElmLoaded(".datatable div:nth-child(5)", function (elm) {
elm.classList.add("dark");
});
// in this case !important doesn't workthrough css stylesheet
applyFuncWhenElmLoaded(".unread td", function (elm) {
elm.style.backgroundColor = "#13203a !important";
});
(function detect404Page() {
applyFuncWhenElmLoaded("body > h3", function (elm) {
if (elm.innerText.startsWith("The requested URL was not found on this server.")) {
document.body.classList.add("notfoundpage");
}
});
})();
(function fixLavaMenu() {
applyFuncWhenElmLoaded(".second-level-menu-list li.backLava", function (elm) {
elm.style.backgroundImage =
"url(https://github.com/GaurangTandon/codeforces-darktheme/raw/master/imgs/lava-right2.png)";
elm.firstElementChild.style.backgroundImage =
"url(https://github.com/GaurangTandon/codeforces-darktheme/raw/master/imgs/lava-left2.png)";
});
})();
(function fixAceEditor() {
applyFuncWhenElmLoaded("#editor", function (elm) {
var monokaiEditorThemeCSS = GM_getResourceText("monokaiEditorTheme"),
aceChromeClass = "ace-chrome";
GM_addStyle(monokaiEditorThemeCSS);
elm.classList.remove(aceChromeClass);
elm.classList.add("ace-monokai");
// using a mutationobserver to revert addition of class ace-chome
// goes into an infinite loop, presumably because the script run
// by codeforces adds it back
function checkAceClassRemoved() {
if (elm.classList.contains(aceChromeClass)) {
elm.classList.remove(aceChromeClass);
}
}
setInterval(checkAceClassRemoved, 10);
});
})();
(function fixColorRedGreenContrast() {
if (document.readyState != "complete") {
return setTimeout(fixColorRedGreenContrast, 100);
}
var elms = document.querySelectorAll("*");
for (let i = 0, len = elms.length; i < len; i++) {
if (getComputedStyle(elms[i]).color == "rgb(0, 128, 0)") {
overrideStyleAttribute(elms[i], "color", "#00c700");
}
}
elms = document.querySelectorAll("font");
for (let i = 0, len = elms.length; i < len; i++) {
if (elms[i].getAttribute("color") == "red") {
elms[i].setAttribute("color", colors.redColorJustPassesA11Y);
}
}
})();
(function fixBlackTextInRightTableDuringContest() {
applyFuncWhenElmLoaded(".rtable span", function (elm) {
if (elm.style && elm.style.color == "rgb(0, 0, 0)")
overrideStyleAttribute(elm, "color", colors.whiteTextColor);
});
})();
// cannot override through css since specifity issue
(function improveLinkColorInGreenAlerts() {
applyFuncWhenElmLoaded("div.alert-success a", function (elm) {
overrideStyleAttribute(elm, "color", "#004794");
});
})();
})();