Mehrzeilige Tableiste für aktuelle Firefox-Versionen

/*----------------------------------------*/
/* Megabar (Url-Bar) die Ecken abgerundet */
/*----------------------------------------*/

/* Adressleiste / Erhöhung wird verhindert */
#urlbar-background {
background: #f8f8ff ! important; /* Hintergrund */
border: 1px solid #5badff !important;
border-radius: 50px !important; }
#urlbar[breakout][breakout-extend] {
top: calc((var(--urlbar-toolbar-height) - var(--urlbar-height)) / 2) !important;
left: 0 !important;
width: 100% !important; }
#urlbar[breakout][breakout-extend] > #urlbar-input-container {
height: var(--urlbar-height) !important;
padding-block: 0 !important;
padding-inline: 0 !important; }
#urlbar[breakout][breakout-extend][breakout-extend-animate] > #urlbar-background {
animation-name: none !important; }
#urlbar[breakout][breakout-extend] > #urlbar-background {
box-shadow: none !important;
}

/* Suchleiste Ecken abrunden */
#searchbar {
background: #f8f8ff ! important; /* Hintergrund */
border-radius: 50px !important;
border: 1px solid #5badff !important;
}

/* -------------------------------------*/
/* Kontext-Menü / Einträge ausgeblendet */
/* -------------------------------------*/
#context-viewinfo,
#textnotes_gaborjuhaszprojects_com-menuitem-_textnotes,
#_lympha-menuitem-_lympha-ctx-btn {
display: none !important;
}
#context_pinTab,
#context_moveTabOptions,
#context_reopenInContainer,
#context_sendTabToDevice,
#context-sendlinktodevice,
#context-inspect-a11y,
#context-openlink,
#context-openlinkprivate,
#context-bookmarklink,
#context-inspect,
#context-openlinkinusercontext-menu,
#context-viewpartialsource-selection,
#context-sep-sendlinktodevice,
#inspect-separator,
#context-sendpagetodevice,
#context-viewbgimage,
#context-selectall,
#context-viewsource,
#context-sep-sendpagetodevice,
#context-sep-viewbgimage,
#contentAreaContextMenu > menuseparator:nth-child(93),
#context-sendimage,
#context-setDesktopBackground {
display: none !important;
}
#context_duplicateTab {
order: -1 !important;
}
#context-openlinkintab {
order: -1 !important;
}
#context-copylink {
order: -1 !important;
}
#copyplaintext_eros_man-menuitem-_copyPlainText {
order: -1 !important;
}

#context-copy {
order: -1 !important;
}
#_5dd73bb9-e728-4d1e-990b-c77d8e03670f_-menuitem-_search_engine_menu {
order: 20 !important;
}
#context-print-selection,
#textnotes_gaborjuhaszprojects_com-menuitem-_textnotes-selection {
display: none !important;
}
menuitem[label="Ein Schlüsselwort für diese Suche hinzufügen…"] {
display: none !important;
}

/*-------------------------------------------------------*/
/* Trennstrich + Hintergrund für TAB geschlossen Button */
/*-----------------------------------------------------*/
#_4853d046-c5a3-436b-bc36-220fd935ee1d_-browser-action .toolbarbutton-badge-stack {
background: #FF8F00 !important;
border-radius: 35px !important;
}

#_4853d046-c5a3-436b-bc36-220fd935ee1d_-browser-action:hover .toolbarbutton-badge-stack {
background-color: #FF0039 !important;
border-radius: 35px !important;
}

#_4853d046-c5a3-436b-bc36-220fd935ee1d_-browser-action {
margin-left: 12px !important;
margin-right: 12px !important;
}

/*--------------------------------------------*/
/* Ordnersymbole für Symbolleiste und Sidebar */
/*--------------------------------------------*/

@-moz-document url-prefix(chrome://browser/content/browser.xhtml),
url("chrome://browser/content/places/places.xhtml") {
.bookmark-item[container="true"]{
list-style-image: url("data:image/png;base64,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") !important;
}
}

@-moz-document url("chrome://browser/content/places/bookmarksSidebar.xhtml") {
treechildren::-moz-tree-image(container) {
list-style-image: url("data:image/png;base64,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") !important;
}
}

/**********************************************/
/* Anpassungen für MultiRowTabs.uc.js (START) */
/**********************************************/

.tabbrowser-tab[pinned] {
flex-grow: 0 !important;
min-width: 120px !important;
}
   
.tabbrowser-tab .tab-label {
text-shadow: 1px 1px 0px #000000 !important;
}

.tab-background[selected],
.tabbrowser-tab:hover > .tab-stack > .tab-background:not([selected]),
.tabbrowser-tab:hover:not([selected]) :is(.tab-label,.tab-icon-stack),
.tabbrowser-tab:hover > .tab-stack > .tab-background[multiselected]:not([selected]),
.tab-background:not([selected]),
.tab-background[multiselected]:not([selected])
{
filter: initial !important;
}

.tab-sharing-icon-overlay, .tab-icon-overlay:not([pinned]), .tab-icon-overlay[soundplaying] {
transform: scale(1.0) !important;
}
   
#TabsToolbar #tabs-newtab-button > image {
min-height: initial !important;
max-height: initial !important;
min-width: initial !important;
max-width: initial !important;
}
#TabsToolbar #tabs-newtab-button > image {
padding: 7px !important;
}

/*********************************************/
/* Anpassungen für MultiRowTabs.uc.js (ENDE) */
/*********************************************/

// ==UserScript==
// Name MultiRowTabLiteforFx.uc.js
// Namespace Based on Alice0775's zzzz-MultiRowTab_LiteforFx48.uc.js
// @description Multi-Row tabs experimental version with embedded CSS, Lite version
// @include main
// @compatibility Firefox138+
// @version 2025/04/07 12:00
// ==/UserScript==
"use strict";
MultiRowTabLiteforFx();
function MultiRowTabLiteforFx() {
if (!window.gBrowser) { return; }
// -- Config --
// If you write similar CSS, “userChrome.css” will take priority
const // Multi-Row tab, On/Off Number of tabs in tab bar
MultiRowTab_OnOff_and_TabBar_Rows = -1 ,// [-1] = Multi-Row tab, On Unlimited number of columns
// 0 = Multi-Row tab Off
// 1 = Multi-Row tab On Normally, one tier is used and the second and subsequent tiers are displayed up to the specified number of tiers when the tab bar is moused over. *Specify the number of rows with “TabBar_Rows_on_MouseOver”.
// 2～ = Multi-Row tab On Specify the number of columns
TabBar_Rows_on_MouseOver = 3 ,// Specify the number of tiers you want to display when you mouse over the tab bar, usually one tier. Prerequisite: “MultiRowTab_OnOff_and_TabBar_Rows” is set to “1”.
TabBar_DisplayTime_on_MouseOver = 1 ,// You can set the display time (in seconds) when the second and subsequent rows are displayed on mouse-over. The display will return to the first Row after displaying the set number of seconds.
// Tab bar position
TabBar_Position = 1 ,// [0] = Above Toolbar Default
// 1 = Under the toolbar
// 2 = Under Site Content
// For people who want to swap the position of the tab bar and bookmark toolbar after setting the tab bar position below the toolbar.
// Prerequisite: “TabBar_Position” is set to “1”.
Bookmark_Toolbar_Position = true ,// [true] = Menu bar, navigation bar, bookmark bar, tab bar
// false = Menu bar, navigation bar, tab bar, bookmark bar
// Tab Height UI Density
UI_Density_Compact = 29 ,// Default 29px, Compact
UI_Density_Normal = 36 ,// Default 36px, Normal (set here your own Tab Height)
UI_Density_Touch = 41 ,// Default 41px, Touch
// Tab Width
Tab_Min_Width = 212 ,// Default 76px, Min.
Tab_Max_Width = 212 ,// Default 225px, Max.
// If both values are the same, the width will be fixed.
// Close Tab button
Tab_Close_Button = 0 ,// [0] = Default
// 1 = Hidden
// 2 = Show in all tabs
// 3 = Display tabs with mouse over
// 4 = Active tabs are always visible, inactive tabs are shown on mouse-over *Default for vertical tab mode.
// Tab Appearance ProtonUI
Proton_Margins = true ,// [true] = ProtonUI Default
// false = Make it look like it did when “browser.proton.enabled” was set to “false” in the Firefox 90 or earlier settings.
// The space around the tabs is set to 0 and the UI density height is set to 0, so the tabs are 4px wider horizontally and 8px lower in height than the default.
// Borders next to tabs
Tab_Separators = false ,// [false] = Do not show
// true = Show
// The CSS of the border that could be displayed when “browser.proton.enabled” was set to “false” in Firefox 90 or earlier is extracted and adjusted.
// Hide the title bar button [－□×] and use the wider width of the tab bar for it.
// Prerequisite: “TabBar_Position” is set to “0”.
TitleBar_Button_Autohide = false ,// [false] = Not used
// true = Use Normally, the outer frame of the title bar button [－□×] is made small and transparent; if you want to display it, return the trigger area (36px x 6px) in the upper right corner of the tab bar to its original size with a mouseover to remove transparency.
TitleBar_Button_DisplayTime = 0.6 ,// You can set the display time (in seconds) after the transparency is released by returning it to its original size on mouse over. The image will be displayed for the set number of seconds before it is hidden.
// Set the tab bar to the height of the specified number of columns from the beginning.
// Prerequisite: “MultiRowTab_OnOff_and_TabBar_Rows” is set to “2” or higher.
Set_the_TabBar_to_the_Specified_Height = false ,// [false] = Not used
// true = Use The tab bar is set to the height of the specified number of columns from the beginning, and tabs are lined up as usual, starting from the upper left corner.
// Replacement of “.tabDropIndicator” that displays tabs during drag & drop movement
// Prerequisite: Set “MultiRowTab_OnOff_and_TabBar_Rows” to something other than “0”.
Tab_Drop_Indicator = false ,// [false] = No Pin icon Default
// true = Red line icon(2px×29px)
// Pinning tab position
// Prerequisite: Set “MultiRowTab_OnOff_and_TabBar_Rows” to something other than “0”.
Separate_Tabs_and_PinnedTabs = false ,// [false] = Default
// true = Move pinned tabs to a line that can be separated from and above the row of tabs.
// Adjust width of pinned tabs
// Prerequisite: Set “Separate_Tabs_and_PinnedTabs” to “true”.
PinnedTab_Width = false ,// [false] = Not default
// true = The width of the pinned tabs can be adjusted to match the width of the tabs.
PinnedTab_Min_Width = 76 ,// Default 76px Min.
PinnedTab_Max_Width = 225 ,// Default 225px Max.
// If both values are the same, the width will be fixed.
// Pinned tabs Close tab button
// Prerequisite: Set “Separate_Tabs_and_PinnedTabs” to “true”.
PinnedTab_Close_Button = 0 ,// [0] = Default
// 1 = Show in all tabs
// 2 = Show tabs on mouse over
// 3 = Active tabs are always visible, inactive tabs are shown on mouse-over *Vertical tab mode is the default.
// Drag area on tab bar
Left_Drag_Area = 0 ,// Default 40px left drag area
Right_Drag_Area = 0 ,// Default 40px right drag area
Maximize_Left_Drag_Area = false ,// [false] = Default
// true = When the window is maximized, the left drag area, which is hidden, can be displayed.
Fullscreen_Drag_Area = false ,// [false] = Default
// true = The left and right drag areas that are hidden when in full-screen mode can be displayed.
// When the title bar is displayed, “.titlebar-spacer” does not function as a drag area.
// -- Config End --

css = `

#TabsToolbar:not([collapsed="true"]) {

:root[uidensity="compact"] & {
--tab-min-height: ${UI_Density_Compact}px;
}
:root:not([uidensity]) & {
--tab-min-height: ${UI_Density_Normal}px;
}
:root[uidensity="touch"] & {
--tab-min-height: ${UI_Density_Touch}px;
}

#tabbrowser-tabs {
min-height: calc(var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px);

${MultiRowTab_OnOff_and_TabBar_Rows != 0 ? `
&[overflow] {
padding-inline: 0 !important;
& > #tabbrowser-arrowscrollbox {
& > .tabbrowser-tab[pinned] {
display: flex;
margin-inline-start: 0 !important;
position: static !important;
}
&::part(scrollbox) {
padding-inline: 0;
}
}
& + #new-tab-button {
display: none;
}
}

${Tab_Drop_Indicator ? `
& > .tab-drop-indicator {
background: url(
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAAdCAIAAAAPVCo9AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAASSURBVBhXY3growJEQ5+SUQEAOb1EM8kwskcAAAAASUVORK5CYII=
) no-repeat center;
}
` : ``}

#tabbrowser-arrowscrollbox {
&::part(scrollbox) {
& > slot {
flex-wrap: wrap;
}

${MultiRowTab_OnOff_and_TabBar_Rows != -1 ? `
${MultiRowTab_OnOff_and_TabBar_Rows == 1 ? `
${TabBar_Rows_on_MouseOver == 0 TabBar_Rows_on_MouseOver == 1 ? `
max-height: calc((var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) * 2);
` : `
max-height: calc((var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) * ${TabBar_Rows_on_MouseOver});
`}
&:not(:hover) {
max-height: calc(var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) !important;
${Proton_Margins ? `scrollbar-width: none;` : ``}
transition: all 0s ease-in-out ${TabBar_DisplayTime_on_MouseOver}s;
}
` : `
${Set_the_TabBar_to_the_Specified_Height ? `
min-height: calc((var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) * ${MultiRowTab_OnOff_and_TabBar_Rows});
& > slot {
max-height: calc(var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px);
}
` : `
max-height: calc((var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) * ${MultiRowTab_OnOff_and_TabBar_Rows});
`}
`}

overflow: hidden auto;
& scrollbar {
-moz-window-dragging: no-drag;
}
` : ``}

}
&::part(overflow-start-indicator),
&::part(overflow-end-indicator),
&::part(scrollbutton-up),
&::part(scrollbutton-down) {
display: none;
}

${Separate_Tabs_and_PinnedTabs ? `
&:has(> .tabbrowser-tab[fadein][pinned]) {
&::part(scrollbox) {
& > slot::after {
display: flow-root list-item;
content: "";
flex-basis: -moz-available;
height: 0;
overflow: hidden;
}
}
}
.tabbrowser-tab[fadein] {
&:not([pinned]) {
#tabbrowser-tabs[haspinnedtabs] & {
&, & + :not(#tabs-newtab-button) {
order: 1;
}
}
}
&[pinned] {
.tab-background:after {
content: "📌";
font-size: 11px;
right: -2px;
position: absolute;
top: -2px;
}

${PinnedTab_Width ? `
flex: 100 100;
max-width: ${PinnedTab_Max_Width}px;
min-width: ${PinnedTab_Min_Width}px;
.tab-throbber, .tab-icon-pending, .tab-icon-image, .tab-sharing-icon-overlay, .tab-icon-overlay {
margin-inline-end: 5.5px !important;
}

${PinnedTab_Close_Button == 1 ? `
.tab-close-button {
display: flex;
}
` : PinnedTab_Close_Button == 2 ? `
.tab-close-button {
display: none;
}
&:hover .tab-close-button {
display: flex;
}
` : PinnedTab_Close_Button == 3 ? `
&:not([selected]):hover,
&[selected] {
.tab-close-button {
display: flex;
}
}
` : ``}

` : ``}

}
}
` : ``}

#tabbrowser-tabs[haspinnedtabs]:not([positionpinnedtabs]):not([orient="vertical"]) > & {
& > .tabbrowser-tab:nth-child(1 of :not([pinned], [hidden])) {
margin-inline-start: 0 !important;
}
}

}
` : ``}
}

.tabbrowser-tab[fadein]:not([pinned]) {
max-width: ${Tab_Max_Width}px;
min-width: ${Tab_Min_Width}px;

${Tab_Close_Button == 1 ? `
.tab-close-button {
display: none;
}
` : Tab_Close_Button == 2 ? `
.tab-close-button {
display: flex;
}
` : Tab_Close_Button == 3 ? `
.tab-close-button {
display: none;
}
&:hover .tab-close-button {
display: flex;
}
` : Tab_Close_Button == 4 ? `
&:not([selected]):hover {
.tab-close-button {
display: flex;
}
}
` : ``}

}

${Tab_Separators ? `
.titlebar-spacer[type="pre-tabs"] {
border-inline-end: 1px solid color-mix(in srgb, currentColor 20%, transparent);
}
.tabbrowser-tab {
&::after,
&::before {
border-left: 1px solid color-mix(in srgb, currentColor 50%, transparent);
height: calc(var(--tab-min-height) - 15%);
margin-block: auto;
}
&:hover::after,
&[multiselected]::after,
#tabbrowser-tabs:not([movingtab]) &:has(+ .tabbrowser-tab:hover)::after,
#tabbrowser-tabs:not([movingtab]) &:has(+ [multiselected])::after {
height: 100%;
}
&::after,
#tabbrowser-tabs[movingtab] &[visuallyselected]::before {
display: flex;
content: "";
}
}
` : ``}

${Proton_Margins ? `` : `
.tabbrowser-tab,
.toolbarbutton-1 {
padding: 0;
}
.tabbrowser-tab,
#tabs-newtab-button {
height: var(--tab-min-height);
}
.tabbrowser-tab {
.tab-background {
box-shadow: none;
margin-block: 0;
}
.tab-label-container {
height: var(--tab-min-height);
max-height: 24px;
}
.tab-close-button {
height: 20px !important;
padding-block: 3px !important;
}
&[usercontextid] > .tab-stack > .tab-background > .tab-context-line {
margin-block-start: 1px !important;
}
}
`}

${TabBar_Position == 0 ? `
.titlebar-buttonbox-container {
height: calc(var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px);
}

${TitleBar_Button_Autohide ? `
& > .titlebar-buttonbox-container {
background-color: color-mix(in srgb, currentColor 20%, transparent);
position: fixed;
right: 0;
&:not(:hover) {
height: 6px;
.titlebar-button {
padding: 0;
}
&,& .titlebar-button {
opacity: 0;
transition: all 0s ease-in-out ${TitleBar_Button_DisplayTime}s;
}
}
}
` : ``}

}` : `

${TabBar_Position == 1 TabBar_Position == 2 ? `
& > .titlebar-buttonbox-container {
display: none;
}}
#nav-bar {
&:not(.browser-titlebar) {
:root[customtitlebar] #toolbar-menubar[autohide="true"] ~ &,
:root[inFullscreen] #toolbar-menubar ~ & {
& > .titlebar-buttonbox-container {
display: flex;
}
}
}
.titlebar-button {
padding-block: 0;
}
}
` : ``}

body:has(> #navigator-toolbox:not([tabs-hidden])) {
${TabBar_Position == 1 ? `
script, toolbar:not(#TabsToolbar ${Bookmark_Toolbar_Position ? `` : `, #PersonalToolbar`}) {
order: -1;
}
` : TabBar_Position == 2 ? `
& > #fullscr-toggler[hidden] + tabbox,
:root[inFullscreen] & > tabbox:hover {
border-top: 0.01px solid var(--chrome-content-separator-color);
}
& > tabbox > #navigator-toolbox {
border-block: none !important;
}
:root[inFullscreen] & {
& > #navigator-toolbox {
transition: none;
&:has(~ tabbox:hover) {
margin-top: 0 !important;
}
&:hover ~ tabbox > #navigator-toolbox {
display: flex;
}
}
& > tabbox:not(:hover) {
border-top: 0.01px solid transparent;
& > #navigator-toolbox {
display: none;
}
}
}
` : ``}
}

`}

toolbar[id$="bar"].browser-titlebar {
.titlebar-spacer {
&[type="pre-tabs"] {
width: ${Left_Drag_Area}px;
}
&[type="post-tabs"] {
width: ${Right_Drag_Area}px;
}
${Maximize_Left_Drag_Area ? `
:root[customtitlebar]:not([sizemode="normal"], [inFullscreen]) &[type="pre-tabs"] {
display: flex;
}
` : ``}
${Fullscreen_Drag_Area ? `
:root[customtitlebar][inFullscreen] & {
display: flex;
}
` : ``}
}
#navigator-toolbox[tabs-hidden] & {
#new-tab-button {
display: none;
}
}
}

`,
sss = Cc["@mozilla.org/content/style-sheet-service;1"].getService(Ci.nsIStyleSheetService),
uri = Services.io.newURI("data:text/css;charset=UTF=8," + encodeURIComponent(css));
["0", "2", "dragend", "SSTabRestored", "TabAttrModified"].find(eventType => {
if(!sss.sheetRegistered(uri, eventType)) sss.loadAndRegisterSheet(uri, eventType);
if (MultiRowTab_OnOff_and_TabBar_Rows > 0) {
gBrowser.tabContainer.addEventListener(eventType, (e) => {
e.target.scrollIntoView({ behavior: "instant", block: "nearest" })
})
}
})

if (TabBar_Position == 2) {
document.body.appendChild(
document.createXULElement("tabbox")
).appendChild(
document.importNode(document.getElementById("navigator-toolbox"))
).appendChild(
document.adoptNode(document.getElementById("TabsToolbar"))
)
}

gBrowser.tabContainer._getDropIndex = function(event) {
let tabToDropAt = getTabFromEventTarget(event, false);
const tabPos = gBrowser.tabContainer.getIndexOfItem(tabToDropAt);

if (window.getComputedStyle(this).direction == "ltr") {
let rect = tabToDropAt.getBoundingClientRect();
if (event.clientX < rect.x + rect.width / 2)
return tabPos;
else
return tabPos + 1;
           
} else {
let rect = tabToDropAt.getBoundingClientRect();
if (event.clientX > rect.x + rect.width / 2)
return tabPos;
else
return tabPos + 1;
}
};

// We set this to check if the listeners were added before
let listenersActive = false;

// This sets when to apply the fix (by default a new row starts after the 23th open tab, unless you changed the min-size of tabs)
gBrowser.tabContainer.addEventListener("dragstart", () => {
// Multiple tab select fix
gBrowser.visibleTabs.forEach(t => t.style.transform = "");

// Event handling
if (!listenersActive) {
gBrowser.tabContainer.getDropEffectForTabDrag = function(){};
gBrowser.tabContainer._getDropEffectForTabDrag = function(){};
gBrowser.tabContainer.on_dragover = (dragoverEvent) => performTabDragOver(dragoverEvent);
gBrowser.tabContainer._onDragOver = (dragoverEvent) => performTabDragOver(dragoverEvent);
gBrowser.tabContainer.ondrop = (dropEvent) => performTabDropEvent(dropEvent);
listenersActive = true;
}
});
}

var lastKnownIndex = null;
var lastGroupStart = null;
var lastGroupEnd = null;

/**
* Gets the tab from the event target.
* Param {*} event The event.
* @returns The tab if it was part of the target or its parents, otherwise null
*/
function getTabFromEventTarget(event, { ignoreTabSides = false } = {}) {
let { target } = event;
if (target.nodeType != Node.ELEMENT_NODE) {
target = target.parentElement;
}
let tab = target?.closest("tab") target?.closest("tab-group");
const selectedTab = gBrowser.selectedTab;
if (tab && ignoreTabSides) {
let { width, height } = tab.getBoundingClientRect();
if (
event.screenX < tab.screenX + width * 0.25
event.screenX > tab.screenX + width * 0.75
((event.screenY < tab.screenY + height * 0.25
event.screenY > tab.screenY + height * 0.75) &&
gBrowser.tabContainer.verticalMode)
) {
return selectedTab;
}
}
if (!tab) {
return selectedTab;
}
return tab;
}

/**
* Performs the tab drag over event.
* Param {*} event The drag over event.
*/
function performTabDragOver(event) {
event.preventDefault();
event.stopPropagation();

let ind = gBrowser.tabContainer._tabDropIndicator;

let effects = orig_getDropEffectForTabDrag(event);
let tab;
if (effects == "link") {
tab = getTabFromEventTarget(event, true);
if (tab) {
if (!gBrowser.tabContainer._dragTime)
gBrowser.tabContainer._dragTime = Date.now();
if (!tab.hasAttribute("pendingicon") && // annoying fix
Date.now() >= gBrowser.tabContainer._dragTime + gBrowser.tabContainer._dragOverDelay)
gBrowser.tabContainer.selectedItem = tab;
ind.hidden = true;
return;
}
}

if (!tab) {
tab = getTabFromEventTarget(event, false);
}
   
let newIndex = gBrowser.tabContainer._getDropIndex(event);
if (newIndex == null)
return;

// Update the last known index and group position
lastKnownIndex = newIndex;
   
if (tab.nodeName == "tab-group" && !lastGroupStart) {
lastGroupStart = tab.querySelector("tab:first-of-type")._tPos;
lastGroupEnd = tab.querySelector("tab:last-of-type")._tPos;
}

let tabs = document.querySelectorAll("tab");
let ltr = (window.getComputedStyle(gBrowser.tabContainer).direction == "ltr");
let rect = gBrowser.tabContainer.arrowScrollbox.getBoundingClientRect();
let newMarginX, newMarginY;
if (newIndex == tabs.length) {
let tabRect = tabs[newIndex - 1].getBoundingClientRect();
if (ltr)
newMarginX = tabRect.right - rect.left;
else
newMarginX = rect.right - tabRect.left;
newMarginY = tabRect.top + tabRect.height - rect.top - rect.height; // multirow fix

if (CSS.supports("offset-anchor", "left bottom")) // Compatibility fix for FF72+
newMarginY += rect.height / 2 - tabRect.height / 2;
       
} else if (newIndex != null newIndex != 0) {
let tabRect = tabs[newIndex].getBoundingClientRect();
if (ltr)
newMarginX = tabRect.left - rect.left;
else
newMarginX = rect.right - tabRect.right;
newMarginY = tabRect.top + tabRect.height - rect.top - rect.height; // multirow fix

if (CSS.supports("offset-anchor", "left bottom")) // Compatibility fix for FF72+
newMarginY += rect.height / 2 - tabRect.height / 2;
}

newMarginX += ind.clientWidth / 2;
if (!ltr)
newMarginX *= -1;

ind.hidden = false;

ind.style.transform = "translate(" + Math.round(newMarginX) + "px," + Math.round(newMarginY) + "px)"; // multirow fix
ind.style.marginInlineStart = (-ind.clientWidth) + "px";
}

/**
* Performs the tab drop event.
* Param {*} event The drop event.
*/
function performTabDropEvent(event) {
let newIndex;
let dt = event.dataTransfer;
let dropEffect = dt.dropEffect;
let draggedTab;
if (dt.mozTypesAt(0)[0] == TAB_DROP_TYPE) {
draggedTab = dt.mozGetDataAt(TAB_DROP_TYPE, 0);
if (!draggedTab) {
return;
}
}

if (draggedTab && dropEffect != "copy" && draggedTab.container == gBrowser.tabContainer) {
newIndex = gBrowser.tabContainer._getDropIndex(event);

/* fix for moving multiple selected tabs and tab groups */
let selectedTabs = gBrowser.selectedTabs;
if (lastGroupStart) {
selectedTabs = [draggedTab?.closest("tab-group")];
if (lastKnownIndex >= lastGroupStart && lastKnownIndex <= lastGroupEnd) {
newIndex = lastGroupStart;
} else if (lastKnownIndex == lastGroupEnd + 1) {
newIndex = lastGroupStart + 1;
}
}

if (selectedTabs[selectedTabs.length - 1] == null){
newIndex = lastKnownIndex;
} else if (newIndex > selectedTabs[selectedTabs.length - 1]._tPos + 1)
newIndex--;
else if (newIndex >= selectedTabs[0]._tPos)
newIndex = -1;

if (newIndex == -1) {
newIndex = lastKnownIndex;
}
       
const tabToMoveAt = gBrowser.tabContainer.getItemAtIndex(newIndex);
console.log("tabToMoveAt", tabToMoveAt);
console.log("newIndex", newIndex);
selectedTabs.forEach(t => gBrowser.moveTabBefore(t, tabToMoveAt));

// Restart global vars
lastKnownIndex = null;
lastGroupStart = null;
lastGroupEnd = null;
}
}

// copy of the original and overrided _getDropEffectForTabDrag method
function orig_getDropEffectForTabDrag(event) {
let dt = event.dataTransfer;

let isMovingTabs = dt.mozItemCount > 0;
for (let i = 0; i < dt.mozItemCount; i++) {
// tabs are always added as the first type
let types = dt.mozTypesAt(0);
if (types[0] != TAB_DROP_TYPE) {
isMovingTabs = false;
break;
}
}

if (isMovingTabs) {
let sourceNode = dt.mozGetDataAt(TAB_DROP_TYPE, 0);
if (XULElement.isInstance(sourceNode) &&
sourceNode.localName == "tab" &&
sourceNode.ownerGlobal.isChromeWindow &&
sourceNode.ownerDocument.documentElement.getAttribute("windowtype") ==
"navigator:browser" &&
sourceNode.ownerGlobal.gBrowser.tabContainer == sourceNode.container) {
// Do not allow transfering a private tab to a non-private window
// and vice versa.
if (PrivateBrowsingUtils.isWindowPrivate(window) !=
PrivateBrowsingUtils.isWindowPrivate(sourceNode.ownerGlobal))
return "none";

if (window.gMultiProcessBrowser !=
sourceNode.ownerGlobal.gMultiProcessBrowser)
return "none";

if (window.gFissionBrowser != sourceNode.ownerGlobal.gFissionBrowser)
return "none";

return dt.dropEffect == "copy" ? "copy" : "move";
}
}

if (Services.droppedLinkHandler.canDropLink(event, true))
return "link";

return "none";
}

// ==UserScript==
// Name MultiRowTabLiteforFx.uc.js
// Namespace Based on Alice0775's zzzz-MultiRowTab_LiteforFx48.uc.js
// @description Mehrzeilige Tableiste - Experimentelle CSS Version
// @include main
// @compatibility Firefox 138+
// @version 2025/04/07 12:00
// ==/UserScript==
"use strict";

MultiRowTabLiteforFx();
function MultiRowTabLiteforFx() {
if (!window.gBrowser) { return; }

// -- Config --
// Vergleichbarer CSS Code in userChrome.css Datei wird vorrangig behandelt!

const // Mehrzeilige Tableiste Ein/Aus Anzahl der Tabzeilen
MultiRowTab_OnOff_and_TabBar_Rows = -1 ,// [-1] = Mehrzeilige Tableiste aktiv unbegrenzte Anzahl von Zeilen.
// 0 = Mehrzeilige Tableiste aus.
// 1 = Mehrzeilige Tableiste aktiv. Standard = 1 Zeile. Bei Berührung
// der Tableiste mit der der Maus, werden die zweite und die folgenden
// Zeilen bis zur angegebenen Anzahl von Zeilen angezeigt.
// 2 = Mehrzeilige Tableiste aktiv. Anzahl der Tabzeilen angeben.
        
TabBar_Rows_on_MouseOver = 3 ,// Standard = 1 Zeile. Anzahl der Zeilen angeben, die angezeigt werden sollen,
// wenn der Mauszeiger über die Tableiste bewegt wird. Voraussetzung:
// „MultiRowTab_OnOff_and_TabBar_Rows“ auf „1“ setzen.
        
TabBar_DisplayTime_on_MouseOver = 1 ,// Sie können die Anzeigezeit (Sekunden) festlegen, wann die zweite und die
// folgenden Zeilen beim Mouseover angezeigt werden. Das Display zeigt den
// eingestellten Wert(Sekunden) an und kehrt dann zur ersten Zeile zurück.

// Position der Tab-Leiste.
TabBar_Position = 1 ,// [0] = Standard
// 1 = unter der Symbolleiste
// 2 = unter dem Fenster

// Positionen der Tab-Leiste und der Lesezeichen-Symbolleiste tauschen.
// sofern die Position der Tab-Leiste unterhalb der Symbolleiste festgelegt ist.
// Voraussetzung: "TabBar_Position" auf "1".
Bookmark_Toolbar_Position = true ,// [true] = Menüleiste, Navigationsleiste, Lesezeichenleiste, Tableiste
// false = Menüleiste, Navigationsleiste, Tableiste, Lesezeichensymbolleiste

// Tab-Höhe „UI-Dichte“
UI_Density_Compact = 29 ,// Standard = 29 Pixelbei Kompakt
UI_Density_Normal = 36 ,// Standard = 36 Pixel bei Normal
UI_Density_Touch = 41 ,// Standard = 41 Pixel bei Touch

// Tab-Breite
Tab_Min_Width = 35 ,// Standard - Mindestwert = 76px
Tab_Max_Width = 170 ,// Standard - Maxwert = 225px
// Bei gleichen Werten bei Min und Max, wird die Tabbreite fixiert!

// „Tab schließen“ Schaltfläche
Tab_Close_Button = 2 ,// [0] = Standard
// 1 = Ausgeblendet
// 2 = Auf allen Tabs anzeigen
// 3 = Nur bei Mausberührung anzeigen
// 4 = Aktive Tabs werden immer angezeigt, inaktive Tabs
// werden beim Mouseover angezeigt. *Standard für vertikalen Tab-Modus.

// ProtonUI Erscheinungsbild der Tabs ändern
Proton_Margins = true ,// [true] = Darstellung ProtonUI
// Die Höhe der Tab-Leiste entspricht der Höhe der UI-Dichte plus dem Leerraum darüber
// und darunter.
// false = Darstellung wie bei browser.proton.enabled auf false, was man vor Firefox 90
// noch einstellen konnte.
// Wenn der Leerraum um die Tabs auf 0 und die Höhe auf die UI-Dichte eingestellt
// ist, ist sie 4 Pixel breiter und 8 Pixel niedriger als die Standardeinstellung.
                                 
// Ränder auf der linken und rechten Seite der Tabs
Tab_Separators = false ,// [false] = Nicht anzeigen
// true = Anzeigen
// Rahmen CSS wurde extrahiert und angepasst, an Aussehen wie bei browser.proton.enabled
// auf false, was man vor Firefox 90 noch einstellen konnte.
                                    
// Voraussetzung: „TabBar_Position“ auf „0“ setzen.
TitleBar_Button_Autohide = false ,// [false] = Aktiviert
// true = Deaktiviert
        
// Äußeren Rahmen der Titelleistenschaltfläche [-□×] reduzieren und transparent machen.
TitleBar_Button_DisplayTime = 0.6 ,// Dauer der Anzeige in Sekunden, nach der Rückkehr zur Originalgröße und dem Aufheben
// der Transparenz per Mouseover angeben.

// Tab-Leiste von Anfang an auf die angegebene Höhe einstellen.
// Voraussetzung: „MultiRowTab_OnOff_and_TabBar_Rows“ auf „2“ oder höher setzen.
Set_the_TabBar_to_the_Specified_Height = false ,// [false] = Die Tab-Leiste wird höher, wenn der nächsten Zeile weitere Tabs hinzugefügt werden.
// true = Verwendung: Die Tab-Leiste wird von Anfang an auf die angegebene Höhe eingestellt

// „.tabDropIndicator“, der beim Ziehen und Ablegen eines Tabs angezeigt wird, ersetzen.
// Voraussetzung: „MultiRowTab_OnOff_and_TabBar_Rows“ auf einen anderen Wert als „0“ setzen.
Tab_Drop_Indicator = false ,// [false] = Stecknadel Symbol 📍
// true = Rote Linie (2px × 29px) als Symbol

// Position der angepinnten Tabs
// Voraussetzung: „MultiRowTab_OnOff_and_TabBar_Rows“ auf einen Wert ungleich „0“ setzen.
Separate_Tabs_and_PinnedTabs = false ,// [false] = Standard
// true = Angeheftete Tabs von der Tab-Leiste lösen und in die darüber liegende
// Zeile verschieben. Breite der angehefteten Tabs für die Position der
// angehefteten Tabs „true“ anpassen.

PinnedTab_Width = false ,// [false] = Kein Standard
// true = Breite angehefteter Tabs anpassen, z. B. „Tab-Breite“.

PinnedTab_Min_Width = 76 ,// Standard Mindestbreite = 76 Pixel
PinnedTab_Max_Width = 225 ,// Standard Maximalbreite = 225 Pixel
// Bei gleichen Werten ist die Breite fixiert.

// Angeheftete Tab, Schließen Schaltfläche
// Voraussetzung: „Separate_Tabs_and_PinnedTabs“ auf „true“ setzen.
PinnedTab_Close_Button = 0 ,// [0] = Standard
// 1 = auf allen Tabs sichtbar
// 2 = auf Tab bei Mouseover anzeigen
// 3 = Aktiver Tab immer sichtbar, inaktiver Tab bei Mouseover sichtbar
// *Standard für vertikalen Tab-Modus.

// Tab-Leisten-Ziehbereich
Left_Drag_Area = 0 ,// Linker Ziehbereich Breite: Standard 40 Pixel
Right_Drag_Area = 0 ,// Rechter Ziehbereich Breite: Standard 40 Pixel
Maximize_Left_Drag_Area = false ,// true = Linken Ziehbereich bei maximiertem Fenster anzeigen. Standard ausgeblendet.
Fullscreen_Drag_Area = false ,// true = Linken und rechten Ziehbereich bei Vollbild anzeigen. Standard ausgeblendet.
// Wenn die Titelleiste angezeigt wird, funktioniert sie nicht als Drag-Bereich, selbst
// wenn „.titlebar-spacer“ angezeigt wird. Daher habe ich dafür gesorgt, dass sie nichts bewirkt.
// -- Config Ende --

css = `

#TabsToolbar:not([collapsed="true"]) {

:root[uidensity="compact"] & {
--tab-min-height: ${UI_Density_Compact}px;
}
:root:not([uidensity]) & {
--tab-min-height: ${UI_Density_Normal}px;
}
:root[uidensity="touch"] & {
--tab-min-height: ${UI_Density_Touch}px;
}

#tabbrowser-tabs {
min-height: calc(var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px);

${MultiRowTab_OnOff_and_TabBar_Rows != 0 ? `
&[overflow] {
padding-inline: 0 !important;
& > #tabbrowser-arrowscrollbox {
& > .tabbrowser-tab[pinned] {
display: flex;
margin-inline-start: 0 !important;
position: static !important;
}
&::part(scrollbox) {
padding-inline: 0;
}
}
& + #new-tab-button {
display: none;
}
}

${Tab_Drop_Indicator ? `
& > .tab-drop-indicator {
background: url(
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAAdCAIAAAAPVCo9AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAASSURBVBhXY3growJEQ5+SUQEAOb1EM8kwskcAAAAASUVORK5CYII=
) no-repeat center;
}
` : ``}

#tabbrowser-arrowscrollbox {
&::part(scrollbox) {
& > slot {
flex-wrap: wrap;
}

${MultiRowTab_OnOff_and_TabBar_Rows != -1 ? `
${MultiRowTab_OnOff_and_TabBar_Rows == 1 ? `
${TabBar_Rows_on_MouseOver == 0 TabBar_Rows_on_MouseOver == 1 ? `
max-height: calc((var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) * 2);
` : `
max-height: calc((var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) * ${TabBar_Rows_on_MouseOver});
`}
&:not(:hover) {
max-height: calc(var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) !important;
${Proton_Margins ? `scrollbar-width: none;` : ``}
transition: all 0s ease-in-out ${TabBar_DisplayTime_on_MouseOver}s;
}
` : `
${Set_the_TabBar_to_the_Specified_Height ? `
min-height: calc((var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) * ${MultiRowTab_OnOff_and_TabBar_Rows});
& > slot {
max-height: calc(var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px);
}
` : `
max-height: calc((var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px) * ${MultiRowTab_OnOff_and_TabBar_Rows});
`}
`}

overflow: hidden auto;
& scrollbar {
-moz-window-dragging: no-drag;
}
` : ``}

}
&::part(overflow-start-indicator),
&::part(overflow-end-indicator),
&::part(scrollbutton-up),
&::part(scrollbutton-down) {
display: none;
}

${Separate_Tabs_and_PinnedTabs ? `
&:has(> .tabbrowser-tab[fadein][pinned]) {
&::part(scrollbox) {
& > slot::after {
display: flow-root list-item;
content: "";
flex-basis: -moz-available;
height: 0;
overflow: hidden;
}
}
}
.tabbrowser-tab[fadein] {
&:not([pinned]) {
#tabbrowser-tabs[haspinnedtabs] & {
&, & + :not(#tabs-newtab-button) {
order: 1;
}
}
}
&[pinned] {
.tab-background:after {
content: "📌";
font-size: 11px;
right: -2px;
position: absolute;
top: -2px;
}

${PinnedTab_Width ? `
flex: 100 100;
max-width: ${PinnedTab_Max_Width}px;
min-width: ${PinnedTab_Min_Width}px;
.tab-throbber, .tab-icon-pending, .tab-icon-image, .tab-sharing-icon-overlay, .tab-icon-overlay {
margin-inline-end: 5.5px !important;
}

${PinnedTab_Close_Button == 1 ? `
.tab-close-button {
display: flex;
}
` : PinnedTab_Close_Button == 2 ? `
.tab-close-button {
display: none;
}
&:hover .tab-close-button {
display: flex;
}
` : PinnedTab_Close_Button == 3 ? `
&:not([selected]):hover,
&[selected] {
.tab-close-button {
display: flex;
}
}
` : ``}

` : ``}

}
}
` : ``}

#tabbrowser-tabs[haspinnedtabs]:not([positionpinnedtabs]):not([orient="vertical"]) > & {
& > .tabbrowser-tab:nth-child(1 of :not([pinned], [hidden])) {
margin-inline-start: 0 !important;
}
}

}
` : ``}
}

.tabbrowser-tab[fadein]:not([pinned]) {
max-width: ${Tab_Max_Width}px;
min-width: ${Tab_Min_Width}px;

${Tab_Close_Button == 1 ? `
.tab-close-button {
display: none;
}
` : Tab_Close_Button == 2 ? `
.tab-close-button {
display: flex;
}
` : Tab_Close_Button == 3 ? `
.tab-close-button {
display: none;
}
&:hover .tab-close-button {
display: flex;
}
` : Tab_Close_Button == 4 ? `
&:not([selected]):hover {
.tab-close-button {
display: flex;
}
}
` : ``}

}

${Tab_Separators ? `
.titlebar-spacer[type="pre-tabs"] {
border-inline-end: 1px solid color-mix(in srgb, currentColor 20%, transparent);
}
.tabbrowser-tab {
&::after,
&::before {
border-left: 1px solid color-mix(in srgb, currentColor 50%, transparent);
height: calc(var(--tab-min-height) - 15%);
margin-block: auto;
}
&:hover::after,
&[multiselected]::after,
#tabbrowser-tabs:not([movingtab]) &:has(+ .tabbrowser-tab:hover)::after,
#tabbrowser-tabs:not([movingtab]) &:has(+ [multiselected])::after {
height: 100%;
}
&::after,
#tabbrowser-tabs[movingtab] &[visuallyselected]::before {
display: flex;
content: "";
}
}
` : ``}

${Proton_Margins ? `` : `
.tabbrowser-tab,
.toolbarbutton-1 {
padding: 0;
}
.tabbrowser-tab,
#tabs-newtab-button {
height: var(--tab-min-height);
}
.tabbrowser-tab {
.tab-background {
box-shadow: none;
margin-block: 0;
}
.tab-label-container {
height: var(--tab-min-height);
max-height: 24px;
}
.tab-close-button {
height: 20px !important;
padding-block: 3px !important;
}
&[usercontextid] > .tab-stack > .tab-background > .tab-context-line {
margin-block-start: 1px !important;
}
}
`}

${TabBar_Position == 0 ? `
.titlebar-buttonbox-container {
height: calc(var(--tab-min-height) + ${Proton_Margins ? 8 : 0}px);
}

${TitleBar_Button_Autohide ? `
& > .titlebar-buttonbox-container {
background-color: color-mix(in srgb, currentColor 20%, transparent);
position: fixed;
right: 0;
&:not(:hover) {
height: 6px;
.titlebar-button {
padding: 0;
}
&,& .titlebar-button {
opacity: 0;
transition: all 0s ease-in-out ${TitleBar_Button_DisplayTime}s;
}
}
}
` : ``}

}` : `

${TabBar_Position == 1 TabBar_Position == 2 ? `
& > .titlebar-buttonbox-container {
display: none;
}}
#nav-bar {
&:not(.browser-titlebar) {
:root[customtitlebar] #toolbar-menubar[autohide="true"] ~ &,
:root[inFullscreen] #toolbar-menubar ~ & {
& > .titlebar-buttonbox-container {
display: flex;
}
}
}
.titlebar-button {
padding-block: 0;
}
}
` : ``}

body:has(> #navigator-toolbox:not([tabs-hidden])) {
${TabBar_Position == 1 ? `
script, toolbar:not(#TabsToolbar ${Bookmark_Toolbar_Position ? `` : `, #PersonalToolbar`}) {
order: -1;
}
` : TabBar_Position == 2 ? `
& > #fullscr-toggler[hidden] + tabbox,
:root[inFullscreen] & > tabbox:hover {
border-top: 0.01px solid var(--chrome-content-separator-color);
}
& > tabbox > #navigator-toolbox {
border-block: none !important;
}
:root[inFullscreen] & {
& > #navigator-toolbox {
transition: none;
&:has(~ tabbox:hover) {
margin-top: 0 !important;
}
&:hover ~ tabbox > #navigator-toolbox {
display: flex;
}
}
& > tabbox:not(:hover) {
border-top: 0.01px solid transparent;
& > #navigator-toolbox {
display: none;
}
}
}
` : ``}
}

`}

toolbar[id$="bar"].browser-titlebar {
.titlebar-spacer {
&[type="pre-tabs"] {
width: ${Left_Drag_Area}px;
}
&[type="post-tabs"] {
width: ${Right_Drag_Area}px;
}
${Maximize_Left_Drag_Area ? `
:root[customtitlebar]:not([sizemode="normal"], [inFullscreen]) &[type="pre-tabs"] {
display: flex;
}
` : ``}
${Fullscreen_Drag_Area ? `
:root[customtitlebar][inFullscreen] & {
display: flex;
}
` : ``}
}
#navigator-toolbox[tabs-hidden] & {
#new-tab-button {
display: none;
}
}
}

`,
sss = Cc["@mozilla.org/content/style-sheet-service;1"].getService(Ci.nsIStyleSheetService),
uri = Services.io.newURI("data:text/css;charset=UTF=8," + encodeURIComponent(css));
["0", "2", "dragend", "SSTabRestored", "TabAttrModified"].find(eventType => {
if(!sss.sheetRegistered(uri, eventType)) sss.loadAndRegisterSheet(uri, eventType);
if (MultiRowTab_OnOff_and_TabBar_Rows > 0) {
gBrowser.tabContainer.addEventListener(eventType, (e) => {
e.target.scrollIntoView({ behavior: "instant", block: "nearest" })
})
}
})

if (TabBar_Position == 2) {
document.body.appendChild(
document.createXULElement("tabbox")
).appendChild(
document.importNode(document.getElementById("navigator-toolbox"))
).appendChild(
document.adoptNode(document.getElementById("TabsToolbar"))
)
}

gBrowser.tabContainer._getDropIndex = function(event) {
let tabToDropAt = getTabFromEventTarget(event, false);
const tabPos = gBrowser.tabContainer.getIndexOfItem(tabToDropAt);

if (window.getComputedStyle(this).direction == "ltr") {
let rect = tabToDropAt.getBoundingClientRect();
if (event.clientX < rect.x + rect.width / 2)
return tabPos;
else
return tabPos + 1;
           
} else {
let rect = tabToDropAt.getBoundingClientRect();
if (event.clientX > rect.x + rect.width / 2)
return tabPos;
else
return tabPos + 1;
}
};

// We set this to check if the listeners were added before
let listenersActive = false;

// This sets when to apply the fix (by default a new row starts after the 23th open tab, unless you changed the min-size of tabs)
gBrowser.tabContainer.addEventListener("dragstart", () => {
// Multiple tab select fix
gBrowser.visibleTabs.forEach(t => t.style.transform = "");

// Event handling
if (!listenersActive) {
gBrowser.tabContainer.getDropEffectForTabDrag = function(){};
gBrowser.tabContainer._getDropEffectForTabDrag = function(){};
gBrowser.tabContainer.on_dragover = (dragoverEvent) => performTabDragOver(dragoverEvent);
gBrowser.tabContainer._onDragOver = (dragoverEvent) => performTabDragOver(dragoverEvent);
gBrowser.tabContainer.ondrop = (dropEvent) => performTabDropEvent(dropEvent);
listenersActive = true;
}
});
}

var lastKnownIndex = null;
var lastGroupStart = null;
var lastGroupEnd = null;

/**
* Gets the tab from the event target.
* Param {*} event The event.
* @returns The tab if it was part of the target or its parents, otherwise null
*/
function getTabFromEventTarget(event, { ignoreTabSides = false } = {}) {
let { target } = event;
if (target.nodeType != Node.ELEMENT_NODE) {
target = target.parentElement;
}
let tab = target?.closest("tab") target?.closest("tab-group");
const selectedTab = gBrowser.selectedTab;
if (tab && ignoreTabSides) {
let { width, height } = tab.getBoundingClientRect();
if (
event.screenX < tab.screenX + width * 0.25
event.screenX > tab.screenX + width * 0.75
((event.screenY < tab.screenY + height * 0.25
event.screenY > tab.screenY + height * 0.75) &&
gBrowser.tabContainer.verticalMode)
) {
return selectedTab;
}
}
if (!tab) {
return selectedTab;
}
return tab;
}

/**
* Performs the tab drag over event.
* Param {*} event The drag over event.
*/
function performTabDragOver(event) {
event.preventDefault();
event.stopPropagation();

let ind = gBrowser.tabContainer._tabDropIndicator;

let effects = orig_getDropEffectForTabDrag(event);
let tab;
if (effects == "link") {
tab = getTabFromEventTarget(event, true);
if (tab) {
if (!gBrowser.tabContainer._dragTime)
gBrowser.tabContainer._dragTime = Date.now();
if (!tab.hasAttribute("pendingicon") && // annoying fix
Date.now() >= gBrowser.tabContainer._dragTime + gBrowser.tabContainer._dragOverDelay)
gBrowser.tabContainer.selectedItem = tab;
ind.hidden = true;
return;
}
}

if (!tab) {
tab = getTabFromEventTarget(event, false);
}
   
let newIndex = gBrowser.tabContainer._getDropIndex(event);
if (newIndex == null)
return;

// Update the last known index and group position
lastKnownIndex = newIndex;
   
if (tab.nodeName == "tab-group" && !lastGroupStart) {
lastGroupStart = tab.querySelector("tab:first-of-type")._tPos;
lastGroupEnd = tab.querySelector("tab:last-of-type")._tPos;
}

let tabs = document.querySelectorAll("tab");
let ltr = (window.getComputedStyle(gBrowser.tabContainer).direction == "ltr");
let rect = gBrowser.tabContainer.arrowScrollbox.getBoundingClientRect();
let newMarginX, newMarginY;
if (newIndex == tabs.length) {
let tabRect = tabs[newIndex - 1].getBoundingClientRect();
if (ltr)
newMarginX = tabRect.right - rect.left;
else
newMarginX = rect.right - tabRect.left;
newMarginY = tabRect.top + tabRect.height - rect.top - rect.height; // multirow fix

if (CSS.supports("offset-anchor", "left bottom")) // Compatibility fix for FF72+
newMarginY += rect.height / 2 - tabRect.height / 2;
       
} else if (newIndex != null newIndex != 0) {
let tabRect = tabs[newIndex].getBoundingClientRect();
if (ltr)
newMarginX = tabRect.left - rect.left;
else
newMarginX = rect.right - tabRect.right;
newMarginY = tabRect.top + tabRect.height - rect.top - rect.height; // multirow fix

if (CSS.supports("offset-anchor", "left bottom")) // Compatibility fix for FF72+
newMarginY += rect.height / 2 - tabRect.height / 2;
}

newMarginX += ind.clientWidth / 2;
if (!ltr)
newMarginX *= -1;

ind.hidden = false;

ind.style.transform = "translate(" + Math.round(newMarginX) + "px," + Math.round(newMarginY) + "px)"; // multirow fix
ind.style.marginInlineStart = (-ind.clientWidth) + "px";
}

/**
* Performs the tab drop event.
* Param {*} event The drop event.
*/
function performTabDropEvent(event) {
let newIndex;
let dt = event.dataTransfer;
let dropEffect = dt.dropEffect;
let draggedTab;
if (dt.mozTypesAt(0)[0] == TAB_DROP_TYPE) {
draggedTab = dt.mozGetDataAt(TAB_DROP_TYPE, 0);
if (!draggedTab) {
return;
}
}

if (draggedTab && dropEffect != "copy" && draggedTab.container == gBrowser.tabContainer) {
newIndex = gBrowser.tabContainer._getDropIndex(event);

/* fix for moving multiple selected tabs and tab groups */
let selectedTabs = gBrowser.selectedTabs;
if (lastGroupStart) {
selectedTabs = [draggedTab?.closest("tab-group")];
if (lastKnownIndex >= lastGroupStart && lastKnownIndex <= lastGroupEnd) {
newIndex = lastGroupStart;
} else if (lastKnownIndex == lastGroupEnd + 1) {
newIndex = lastGroupStart + 1;
}
}

if (selectedTabs[selectedTabs.length - 1] == null){
newIndex = lastKnownIndex;
} else if (newIndex > selectedTabs[selectedTabs.length - 1]._tPos + 1)
newIndex--;
else if (newIndex >= selectedTabs[0]._tPos)
newIndex = -1;

if (newIndex == -1) {
newIndex = lastKnownIndex;
}
       
const tabToMoveAt = gBrowser.tabContainer.getItemAtIndex(newIndex);
console.log("tabToMoveAt", tabToMoveAt);
console.log("newIndex", newIndex);
selectedTabs.forEach(t => gBrowser.moveTabBefore(t, tabToMoveAt));

// Restart global vars
lastKnownIndex = null;
lastGroupStart = null;
lastGroupEnd = null;
}
}

// copy of the original and overrided _getDropEffectForTabDrag method
function orig_getDropEffectForTabDrag(event) {
let dt = event.dataTransfer;

let isMovingTabs = dt.mozItemCount > 0;
for (let i = 0; i < dt.mozItemCount; i++) {
// tabs are always added as the first type
let types = dt.mozTypesAt(0);
if (types[0] != TAB_DROP_TYPE) {
isMovingTabs = false;
break;
}
}

if (isMovingTabs) {
let sourceNode = dt.mozGetDataAt(TAB_DROP_TYPE, 0);
if (XULElement.isInstance(sourceNode) &&
sourceNode.localName == "tab" &&
sourceNode.ownerGlobal.isChromeWindow &&
sourceNode.ownerDocument.documentElement.getAttribute("windowtype") ==
"navigator:browser" &&
sourceNode.ownerGlobal.gBrowser.tabContainer == sourceNode.container) {
// Do not allow transfering a private tab to a non-private window
// and vice versa.
if (PrivateBrowsingUtils.isWindowPrivate(window) !=
PrivateBrowsingUtils.isWindowPrivate(sourceNode.ownerGlobal))
return "none";

if (window.gMultiProcessBrowser !=
sourceNode.ownerGlobal.gMultiProcessBrowser)
return "none";

if (window.gFissionBrowser != sourceNode.ownerGlobal.gFissionBrowser)
return "none";

return dt.dropEffect == "copy" ? "copy" : "move";
}
}

if (Services.droppedLinkHandler.canDropLink(event, true))
return "link";

return "none";
}