// ==UserScript==
// @name          Open links in current tab
// @author        wOxxOm
// @description   Open links in current tab regardless of _target or site's preferences. Ctrl-click: background tab, Ctrl-Shift-click: foreground tab, Shift-click: new window, Alt-click: force open in current tab
// @namespace     http://target._blank.is.retarded
// @version       2.2.7
// @include       *
// @exclude             http*coub.com/*
// @exclude             http*vk.com/*
// @exclude             http*.userapi.com/*
// @exclude             http*.youtube.com/*
// @exclude             http*.googlevideo.com/*
// @run-at        document-start
// @grant         GM_openInTab
// ==/UserScript==

if (window == top) {
    window.addEventListener('message', function(e) {
        // some stupid sites choke on object data
        if (!/^\{/.test(e.data)) return;
        let data = tryParse(e.data);
        if (data.name == GM_info.script.name) navigate(data.url);
     });
   }

   let suppressing, clickedElement, link;

window.addEventListener('mousedown', function(e) { clickedElement = e.target; }, true);

window.addEventListener('mouseup', function(e) {
// Убрал действие на СКМ только ПКМ отслеживаеццо
//    if (e.button > 1 || e.target != clickedElement)
        if (e.button != 0 || e.target != clickedElement) return;
             link = pierceShadow(e);
        if (!link || (link.getAttribute('href') || '').match(/^(javascript|#|$)/) || !document.contains(link)) return;

    let b = e.button, c = e.ctrlKey, a = e.altKey, s = e.shiftKey, m = e.metaKey;
    if (b == 1 || c && !a && !m)      // вот здесь надо начинать шаманить, менять условия КМК
        GM_openInTab(link.href, !s || b == 1);
    else if (window.chrome && b === 0 && s && !c && !a && !m)
        link.cloneNode().dispatchEvent(new MouseEvent('click', {shiftKey: true}));
    else if (!c && !s && !m && !a) {
        if (link.target == '_blank')
            link.target = '';
            blockWindowOpenAndMutations(link);
            return;
          } else return;

    suppressing = true;
    prevent(e);
 }, true);

window.addEventListener('click', prevent, true);
window.addEventListener('auxclick', prevent, true);

function prevent(e) {
    if (!suppressing) return;
    e.preventDefault();
    e.stopPropagation();
    e.stopImmediatePropagation();
    setTimeout(function() {
        suppressing = false;
    }, 50);
}

function blockWindowOpenAndMutations(link) {
    let observer = new MutationObserver(function() {
        if (link.target == '_blank') {
            link.removeAttribute('target');
            console.log('[Open links in current tab] prevented dynamic target=_blank for', link.href);
            navigate(link.href);
        }
    });
    observer.observe(link, {attributes:true, attributeFilter:['target'], characterData:true});

    let _open = unsafeWindow.open;
    let timeout = setTimeout(function() {
        unsafeWindow.open = _open;
        observer.disconnect();
    }, 50);

    unsafeWindow.open = exportFunction(function(url, name, features) {
        if (!features) {
            console.log('[Open links in current tab] prevented window.open for', url);
            navigate(link.href);
        } else {
              _open(url, name, features);
              unsafeWindow.open = _open;
              clearTimeout(timeout);
             }
    }, unsafeWindow);
}


function pierceShadow(e) {
    let el = e.target;
       while (el.shadowRoot) el = el.shadowRoot.elementFromPoint(e.clientX, e.clientY);
    return el.closest('a');
   }

function navigate(url) {
    if (window == top) {
        link = document.createElement('a');
        link.href = url;
        link.dispatchEvent(new MouseEvent('click'));
    } else { top.postMessage(JSON.stringify({name: GM_info.script.name, url: url}), '*'); }
}

function tryParse(str) {
    try { return JSON.parse(str); }
    catch(e) {}
}

// ==UserScript==
// @name        YandexTV
// @namespace   YTV
// @include     http*://tv.yandex.ru/*
// @version     1
// @grant       none
// ==/UserScript==
function getAnchor(element) {
  while (element && element.nodeName != "A") element = element.parentNode;
  return element;
}

document.addEventListener("click", function(e) {
  var hosts = [
        "tv.yandex.ru"
      , "domain1.abc"
      , "domain2.def"
      ];
  var anchor = getAnchor(e.target);
  if (hosts.indexOf(anchor.hostname) >= 0) anchor.target = "_blank";
});