/*
        var insertNode = tabNode.getElementsByClassName("tab-content")[0];
*/
        var insertNode = document.getAnonymousElementByAttribute(tabNode, "class", "tab-content");


/*
        var close_button = tabNode.getElementsByClassName("tab-content")[0].getElementsByClassName("tab-close-button")[0];
*/
        var close_button = insertNode.querySelector(":scope > .tab-close-button");


/*
            if ( _btnNode ) btnNode = _btnNode.getElementsByClassName("toolbarbutton-badge-stack")[0];
*/
            if (_btnNode) btnNode =  document.getAnonymousElementByAttribute(_btnNode, "class", "toolbarbutton-badge-stack");


/*
            contParent = document.createXULElement("div");
*/
            contParent = document.createXULElement("box");

// ==UserScript==
// https://raw.githubusercontent.com/alice0775/userChrome.js/master/108/memoryMinimizationButton.uc.js
// @name           memoryMinimizationButton.uc.js
// @namespace      http://space.geocities.yahoo.co.jp/gl/alice0775
// @description    memory minimization button
// @charset        utf-8
// @include        main
// @include        about:processes?memoryMinimizationButton
// @compatibility  Firefox 108
// @author         Alice0775
// @version        2022/10/18 10:00 fix Bug 1790616
// @version        2022/06/18 00:00 kil process
// @version        2018/10/09 00:00 fix CSS
// @version        2018/09/07 23:00 fix initial visual status
// ==/UserScript==
var memoryMinimizationButton = {
  get memoryMinimizationButton(){
    return document.getElementById("memoryMinimizationButton");
  },

  get statusinfo() {
    if ("StatusPanel" in window) {
      // fx61+
      return StatusPanel._labelElement.value;
    } else {
      return XULBrowserWindow.statusTextField.label;
    }
  },

  set statusinfo(val) {
    if ("StatusPanel" in window) {
      // fx61+
      StatusPanel._label = val;
    } else {
      XULBrowserWindow.statusTextField.label = val;
    }
    if(this._statusinfotimer)
      clearTimeout(this._statusinfotimer);
    this._statusinfotimer = setTimeout(() => {this.hideStatusInfo();}, 2000);
    this._laststatusinfo = val;
    return val;
  },

  init: function() {
    let style = `
      #memoryMinimizationButton {
          width: 16px;
          height: 16px;
          margin-left: 5px; /* со 107-й сломалось, добавил */
        list-style-image: url('data:image/png;base64,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');
      }
      @media (min-resolution: 1.1dppx) {
        #memoryMinimizationButton {
          width: 32px;
          height: 32px;
        }
      }
     `.replace(/\s+/g, " ");

    let sss = Components.classes['@mozilla.org/content/style-sheet-service;1']
                .getService(Components.interfaces.nsIStyleSheetService);
    let newURIParam = {
        aURL: 'data:text/css,' + encodeURIComponent(style),
        aOriginCharset: null,
        aBaseURI: null
    }
    let cssUri = Services.io.newURI(newURIParam.aURL, newURIParam.aOriginCharset, newURIParam.aBaseURI);
    if (!sss.sheetRegistered(cssUri, sss.AUTHOR_SHEET))
      sss.loadAndRegisterSheet(cssUri, sss.AUTHOR_SHEET);

    if (this.memoryMinimizationButton)
      return;

    ChromeUtils.import("resource:///modules/CustomizableUI.jsm");
    try {
      CustomizableUI.createWidget({ //must run createWidget before windowListener.register because the register function needs the button added first
        id: 'memoryMinimizationButton',
        type:  'custom',
        defaultArea: CustomizableUI.AREA_NAVBAR,
        onBuild: function(aDocument) {
          var toolbaritem = aDocument.createElementNS('http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul', 'toolbarbutton');
          var props = {
            id: "memoryMinimizationButton",
            class: "toolbarbutton-1 chromeclass-toolbar-additional",
            tooltiptext: "Memory minimization(shift+click; kill other tabs)",
            oncommand: "memoryMinimizationButton.doMinimize(event);",
            type: CustomizableUI.TYPE_TOOLBAR,
            label: "Memory minimization",
            removable: "true"
          };
          for (var p in props) {
            toolbaritem.setAttribute(p, props[p]);
          }
          
          return toolbaritem;
        },
      });
    } catch(ee) {}
  },

  doMinimize: function(event) {
    function doGlobalGC()  {
       Services.obs.notifyObservers(null, "child-gc-request");
       Cu.forceGC();
    }

    function doCC()  {
      Services.obs.notifyObservers(null, "child-cc-request");
      if (typeof window.windowUtils != "undefined")
        window.windowUtils.cycleCollect();
      else
      window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
            .getInterface(Components.interfaces.nsIDOMWindowUtils).cycleCollect();
    }

    function doMemMinimize(event) {
      if (event.button == 1 || event.shiftKey || event.altKey || event.ctrlKey)
        memoryMinimizationButton.kill();
      Services.obs.notifyObservers(null, "child-mmu-request");
      var gMgr = Cc["@mozilla.org/memory-reporter-manager;1"]
             .getService(Ci.nsIMemoryReporterManager);
//      gMgr.minimizeMemoryUsage(() => {if (!(event.button == 1 || event.shiftKey || event.altKey)) memoryMinimizationButton.displayStatus("Memory minimization done")});
      gMgr.minimizeMemoryUsage(() => {if (!(event.button == 1 || event.shiftKey || event.altKey)) memoryMinimizationButton.displayStatus("")});
    }
    function sendHeapMinNotifications()  {
      function runSoon(f) {
        var tm = Cc["@mozilla.org/thread-manager;1"]
                  .getService(Ci.nsIThreadManager);

        tm.mainThread.dispatch({ run: f }, Ci.nsIThread.DISPATCH_NORMAL);
      }

      function sendHeapMinNotificationsInner() {
        var os = Cc["@mozilla.org/observer-service;1"]
                 .getService(Ci.nsIObserverService);
        os.notifyObservers(null, "memory-pressure", "heap-minimize");

        if (++j < 3)
          runSoon(sendHeapMinNotificationsInner);
      }

      var j = 0;
      sendHeapMinNotificationsInner();
    }

//    this.displayStatus("Memory minimization start")
    doGlobalGC();
    doCC();
    //sendHeapMinNotifications();
    // Добавил всплывашку
    setTimeout((event)=> {doMemMinimize(event);}, 1000, event);
    var alertsService = Cc["@mozilla.org/alerts-service;1"].getService(Ci.nsIAlertsService);
    alertsService.showAlertNotification("chrome://user_chrome_files/content/custom_styles/icons/information-16.png", "Memory", "Потребление памяти минимизировано!");
    setTimeout(() => alertsService.closeAlert(), 2000);
  },
  
  _statusinfotimer: null,
  _laststatusinfo: null,
  displayStatus: function(val) {
    this.statusinfo = val;
  },
  hideStatusInfo: function() {
    if(this._statusinfotimer)
      clearTimeout(this._statusinfotimer);
    this._statusinfotimer = null;
    if (this._laststatusinfo == this.statusinfo)
      this.statusinfo = "";
  },

  kill: function() {
    this.browser = document.createXULElement("browser");
    this.browser.src = "about:processes?memoryMinimizationButton";
    document.documentElement.appendChild(this.browser);
    setTimeout(() => {
      this.browser.src = "about:blank";
      document.documentElement.removeChild(this.browser);
      delete this.browser;
//      Services.console.logStringMessage("killing done");
//      this.displayStatus("Memory minimization done")
    }, 8000);
  }
}

if (location.href == "chrome://browser/content/browser.xhtml") {
  memoryMinimizationButton.init();
} else if (location.href == "about:processes?memoryMinimizationButton") {
//  Services.console.logStringMessage("killing start");
  setTimeout(() => {
    let closeButtons = document.querySelectorAll("tr.process > td.close-icon");
    for(let closeButton of closeButtons) {
      let row = closeButton.parentNode;
      let canKill = true;
      for (let childRow = row.nextSibling;
           childRow && !childRow.classList.contains("process");
           childRow = childRow.nextSibling ) {
        let win = childRow.win;
        if (win?.tab?.tab?.selected) {
          canKill = false;
          break;
        }
      }
      if (canKill)
        Control._handleKill(closeButton);
    }
    return;
    /*
    let closeButtons = document.querySelectorAll("tr.process > td.close-icon");
    for(let closeButton of closeButtons) {
      closeButton.click();
    }
    */
  }, 5000);
}

(async id => ({

  delay: 2e3,

  val: "",
  init(topic, mm) {
    Services.obs.addObserver(mm = this, topic);
    Services.obs.addObserver(function quit(s, t) {
      this.timer?.cancel();
      Services.obs.removeObserver(mm, topic);
      Services.obs.removeObserver(quit, t);
    }, "quit-application-granted");
  },
  observe(win) {
    var df = win.MozXULElement.parseXULToFragment(
      `<hbox id="${id}" tooltiptext="${
        "ЛКМ: Минимизировать потребление памяти&#xA;ПКМ: about:performance&#xA;Ctrl+ПКМ: about:debugging#/runtime/this-firefox"
      }" onclick="event.button || ${
        "memoryMinimizationButton.doMinimize(event)"
      }"><label id="${id += "-label"}"/></hbox>`
    );
    this.timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
    (this.observe = async win => {
      this.timer.cancel();
      await new Promise(ChromeUtils.idleDispatch);
      var clone = win.document.importNode(df, true);
      clone.firstChild.oncontextmenu = this.about;
      win.document.getElementById("star-button-box").after(clone);
      this.notify();
    })(win);
  },
  about(e) {
    var gb = e.view.gBrowser;
    gb.selectedTab = gb.addTrustedTab(`about:${
      e.ctrlKey ? "debugging#/runtime/this-firefox" : "performance"
    }`);
  },
  async notify() {
    var info = await ChromeUtils.requestProcInfo();
    var bytes = info.memory;
    for(var child of info.children) bytes += child.memory;
    this.timer.initWithCallback(this, this.delay, this.timer.TYPE_ONE_SHOT);

    var prev = this.val;
    if ((this.val = this.mgb(bytes)) != prev)
      for(var win of CustomizableUI.windows) {
        var lab = win.document.getElementById(id);
        if (lab) lab.value = this.val;
      }
  },
  mgb: bytes => bytes < 1073741824
    ? Math.round(bytes / 1048576) + "MB"
    : (bytes / 1073741824).toFixed(2) + "GB"
}).init("browser-delayed-startup-finished"))("ucf-mem-indicator");

try {(keybUtils => CustomizableUI.createWidget({
    type: "custom",
    id: "SwitchKeyboardLayout",
    onBuild(doc) {
        var btn = doc.createXULElement("toolbarbutton");
        btn.id = this.id;
        btn.label = btn.tooltipText = "Switch Keyboard Layout";
        btn.image = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAk1BMVEX///8/Pz8BAQF8fHwJCQkCAgIJCQl8fHx9fX0AAABJSUkBAQENDQ0wMDBVVVUAAABra2t0dHR7e3thYWEBAQEAAAAAAAABAQEAAAAgICABAQEBAQH8/Pzw8PDp6en39/fj4+Pe3t41V9I/YeWKioqDg4N9fX0jRa8wUrVoaGhkhuxWeNx1dXVCZMhvb28kRqsqTL4KidXxAAAAHHRSTlMAAABndwAAAAA0blVZcm1naWhNa6hrcJ8AAKRU4jk/3gAAAHVJREFUeF6FyMUCwjAUBdEbaQupUMOjqMv/fx1dQN6yZ3aDcWnyw6ezoRWNYc15kqKQZCFlgTKQQwgllL/dn5f3+bPb+6P3CpWNw56srdCZOMzDmA61i8O9nKvRaHLVukEryFKIFtnkj7ENYxmNdd5v+5xj1BcJ/w9Kj6K7ZAAAAABJRU5ErkJggg==";

        btn.setAttribute("oncommand", "linkedObj.switch(document);");
        btn.className = "toolbarbutton-1 chromeclass-toolbar-additional";
        btn.linkedObj = this;
        return btn;
    },
    switch(doc) {
        var br = doc.activeElement;
        br && br.localName == "browser" && br.isRemoteBrowser
            ? br.messageManager.loadFrameScript(this.url, false)
            : this.keybUtils.switchSelKeybLayout();
    },
    get url() {
        delete this.url;
        return this.url = `data:;charset=utf-8,(${
            encodeURIComponent(keybUtils)
        }).switchSelKeybLayout()`;
    },
    get keybUtils() {
        delete this.keybUtils;
        var def = "let{KeyEvent,HTMLInputElement,HTMLTextAreaElement}=Cu.getGlobalForObject(Services);";
        var url = `data:;charset=utf-8,${def}%0Athis.keybUtils=${encodeURIComponent(keybUtils)}`;
        Services.scriptloader.loadSubScript(url, this);
        var {id} = this;
        this.keybUtils.getFocusedElement = function(_subCall, _focusFixed) {
            var window = Services.focus.activeWindow, {document} = window;
            var button = document.getElementById(id);
            if(
                !_focusFixed
                && "closeMenus" in window
                && document.commandDispatcher.focusedElement == button
            ) {
                window.closeMenus(button);
                window.setTimeout(function(_this) {
                    _this.switchSelKeybLayout(_subCall, true);
                }, 0, this);
                return;
            }
            return document.commandDispatcher.focusedElement;
        }
        return this.keybUtils;
    }
}))(`{
    //== Options
    noSelBehavior: { // Shift+Home
        ctrlKey:  false,
        altKey:   false,
        shiftKey: true,
        metaKey:  false,
        keyCode:  KeyEvent.DOM_VK_HOME,
        charCode: 0
    },
    // 0 - do nothing
    // 1 - convert all text
    // Or use object like following to simulate "keypress" event:

    convTableForward: { // ru -> en
        "\\"": "@",
        ":": "^",
        ";": "$",
        "?": "&",
        ",": "?",
        "/": "|",
        ".": "/",
        "э": "'",
        "б": ",",
        "ю": ".",
        "Ж": ":",
        "ж": ";",
        "Б": "<",
        "Ю": ">",
        "Э": "\\"",
        "х": "[",
        "ъ": "]",
        "ё": "\`",
        "Х": "{",
        "Ъ": "}",
        "Ё": "~",
        "№": "#",
        "Ф": "A",
        "ф": "a",
        "И": "B",
        "и": "b",
        "С": "C",
        "с": "c",
        "В": "D",
        "в": "d",
        "У": "E",
        "у": "e",
        "А": "F",
        "а": "f",
        "П": "G",
        "п": "g",
        "Р": "H",
        "р": "h",
        "Ш": "I",
        "ш": "i",
        "О": "J",
        "о": "j",
        "Л": "K",
        "л": "k",
        "Д": "L",
        "д": "l",
        "Ь": "M",
        "ь": "m",
        "Т": "N",
        "т": "n",
        "Щ": "O",
        "щ": "o",
        "З": "P",
        "з": "p",
        "Й": "Q",
        "й": "q",
        "К": "R",
        "к": "r",
        "Ы": "S",
        "ы": "s",
        "Е": "T",
        "е": "t",
        "Г": "U",
        "г": "u",
        "М": "V",
        "м": "v",
        "Ц": "W",
        "ц": "w",
        "Ч": "X",
        "ч": "x",
        "Н": "Y",
        "н": "y",
        "Я": "Z",
        "я": "z",
        __proto__: null
    },
    //== End of options

    get convTableBackward() {
        var ctb = { __proto__: null };
        var ctf = this.convTableForward;
        for(var c in ctf)
            ctb[ctf[c]] = c;
        delete this.convTableBackward;
        return this.convTableBackward = ctb;
    },
    inPrimaryLayout: function(s) {
        for(var i = 0, l = s.length; i < l; ++i) {
            var c = s.charAt(i);
/*
            if(c in this.convTableForward)
                return true;
            if(c in this.convTableBackward)
                return false;
*/
            var primary = c in this.convTableForward;
            if(primary ^ c in this.convTableBackward)
                return primary;        }

        return false;
    },
    switchKeybLayout: function(s, convTable) {
        var res = "";
        for(var i = 0, l = s.length; i < l; ++i) {
            var c = s.charAt(i);
            res += c in convTable ? convTable[c] : c;
        }
        return res;
    },
    getFocusedElement: function() {
        return Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager)
            .getFocusedElementForWindow(content, true, {});
    },
    switchSelKeybLayout: function(_subCall, _focusFixed) {
        var fe = this.getFocusedElement(_subCall, _focusFixed);
        if(!fe)
            return;
        if(fe instanceof HTMLInputElement || fe instanceof HTMLTextAreaElement) {
            var ta = fe;
            try {
                var val = ta.value;
                var sel = val.substring(ta.selectionStart, ta.selectionEnd);
            }
            catch(e) { // Non-text HTMLInputElement
                return;
            }
            if(!sel && val && this.noSelBehavior && !_subCall) {
                if(this.noSelBehavior == 1) {
                    ta.selectionStart = 0;
                    ta.selectionEnd = val.length;
                    sel = val;
                }
                else {
                    this.handleNoSel(ta);
                    return;
                }
            }
            if(!sel)
                return;
            var res = this.switchKeybLayout(
                sel,
                this.inPrimaryLayout(sel)
                    ? this.convTableForward
                    : this.convTableBackward
            );
            if(res != sel)
                this.insertText(ta, res);
        }
        else if(fe.contentEditable == "true") {
            var doc = fe.ownerDocument;

            var docURI = doc.documentURI;
            if(
                docURI.substr(0, 5) == "data:"
                && docURI.indexOf("chrome://browser/skin/devtools/") != -1
            ) {
                //~ todo: seems like we only can use paste from clipboard here...
                return;
            }

            var sel = doc.defaultView.getSelection();
            var rng = sel.rangeCount && sel.getRangeAt(0);
            var tmpNode;
            if(!rng || rng.collapsed) {
                if(!this.noSelBehavior || _subCall)
                    return;
                if(this.noSelBehavior == 1) {
                    var r = doc.createRange();
                    r.selectNodeContents(fe);
                    sel.removeAllRanges();
                    sel.addRange(r);
                    tmpNode = fe.cloneNode(true);
                }
                else {
                    this.handleNoSel(fe);
                    return;
                }
            }
            else {
                tmpNode = doc.createElementNS("http://www.w3.org/1999/xhtml", "div");
                tmpNode.appendChild(rng.cloneContents());
            }

            var orig = tmpNode.innerHTML;
            var convTable = this.inPrimaryLayout(tmpNode.textContent)
                ? this.convTableForward
                : this.convTableBackward;

            var _this = this;
            var parseChildNodes = function(node) {
                if(node instanceof Element) {
                    var childNodes = node.childNodes;
                    for(var i = childNodes.length - 1; i >= 0; --i)
                        parseChildNodes(childNodes[i]);
                }
                else if(node.nodeType == node.TEXT_NODE) {
                    var text = node.nodeValue;
                    var newText = _this.switchKeybLayout(node.nodeValue, convTable);
                    if(newText != text)
                        node.parentNode.replaceChild(doc.createTextNode(newText), node);
                }
            }
            parseChildNodes(tmpNode);

            var res = tmpNode.innerHTML;
            if(res != orig)
                doc.execCommand("insertHTML", false, res);
        }
    },
    handleNoSel: function(node) {
        this.select(node);
        this.switchSelKeybLayout(true);
    },
    select: function(node) {
        var e = this.noSelBehavior;
        if(!e || typeof e != "object")
            return;

/*
        var evt = new node.ownerGlobal.KeyboardEvent(
            "keypress", {bubbles: true, cancelable: true, ...e}
        );

        node.dispatchEvent(evt);
    },
*/

	if(ChromeUtils.domProcessChild.childID) {
            var cmd = this.beh2cmd[e.ctrlKey + "_" + e.shiftKey + "_" + e.keyCode];
            cmd && docShell.doCommand(cmd);
        }
        else node.dispatchEvent(new node.ownerGlobal.KeyboardEvent(
            "keypress", {bubbles: true, cancelable: true, ...e}
        ));
    },
    beh2cmd: { // Ctrl_Shift_VK
        false_true_36: "cmd_selectLinePrevious", // Shift+Home
    },

    insertText: function(ta, text) {
        //var editor = ta.QueryInterface(Components.interfaces.nsIDOMNSEditableElement).editor
        var editor = ta.editor
            .QueryInterface(Components.interfaces.nsIPlaintextEditor || Ci.nsIEditor);
        if(editor.flags & editor.eEditorReadonlyMask)
            return;

        var sTop = ta.scrollTop;
        var sHeight = ta.scrollHeight;
        var sLeft = ta.scrollLeft;
        // var sWidth = ta.scrollWidth;

        if(text)
            editor.insertText(text);
        else
            editor.deleteSelection(0, 0);

        ta.scrollTop = sTop + (ta.scrollHeight - sHeight);
        ta.scrollLeft = sLeft; // + (ta.scrollWidth - sWidth);
    }
}`)} catch(ex) {Cu.reportError(ex);}