// ==UserScript==
// @name         Unbreak Snapchat web. Disable focus tracking and screenshot prevention
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  This userscript improves the Snapchat web experience by disabling screenshot prevention features which don't prevent screenshots but do actively harm the usability.
// @author       @varenc
// @match        https://web.snapchat.com/*
// @icon         http://snapchat.com/favicon.ico
// @license MIT
// @run-at       document-idle
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    function __unblockControlKeyEvents() {
        const modifyKeys = ["Control", "Meta", "Alt","Shift"];
        
        // snapchat tries to disable console.log.. how mean. So we copy the real Console object from a new iframe
        const iframe = document.createElement("iframe");
        iframe.style.display = "none";
        document.body.appendChild(iframe);
        const nativeConsole = iframe.contentWindow.console;
        window.console=nativeConsole;
        for (var i = 0; i < arguments.length; i++) {
            var event_type = arguments[i];
            document.addEventListener(
                arguments[i],
                function (e) {
                    // console.log(`${event_type}[${i}]=`, e.key);
                    if (modifyKeys.includes(e.key)) {
                        e.preventDefault();
                        e.stopPropagation();
                        // e.stopImmediatePropagation();
                        console.log(`'${event_type}' event for '${e.key}' received and prevented:`, e);
                        e.stopImmediatePropagation();
                    }
                },
                true
            );
        }
    }
    __unblockControlKeyEvents("keydown", "keyup", "keypress");
    
    // Run a few extra times to ensure our event listeners take priority.
    setTimeout( () => __unblockControlKeyEvents("keydown", "keyup", "keypress"), 1000);
    setTimeout( () => __unblockControlKeyEvents("keydown", "keyup", "keypress"), 5000);
    setTimeout( () => __unblockControlKeyEvents("keydown", "keyup", "keypress"), 10000);

    document.hasFocus = function (){ return true }


})();