Tab Schließen Javascript

//CloseActiveTabButtonPanel.uc.js


(function() {


if (location != 'chrome://browser/content/browser.xhtml') return;


try {


const NSxul = 'http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul';


const browser = gBrowser;
var dTime, uTime, dX, dY, uX, uY;
//Mausklick Zeit und die Koordinaten angeben
browser.addEventListener('mousedown', function(event){
dTime = new Date().getTime();
dX = event.clientX;
dY = event.clientY;
}, false);
// mouseupで時間と座標をセット
browser.addEventListener('mouseup', function(event){
uTime = new Date().getTime();
uX = event.clientX;
uY = event.clientY;
// mousedown時の値と比較してパネルオープン
if ((uTime - dTime >= 500) && (dX == uX) && (dY == uY)) {
document.getElementById('close-tab-buttonPanel')
.openPopup(null , 'overlap' , dX - 4 , dY - 4 , false, false );
}
}, false);


// ポップアップするパネルとボタン cssをもっとちゃんと設定すればもっと良くなるはず
const panelpanel = document.createElementNS(NSxul, 'panel');
panelpanel.setAttribute('id', 'close-tab-buttonPanel');
panelpanel.setAttribute('style',
'min-height: 18px; height: 18px; min-width: 18px; width: 18px; background: red;');
document.getElementById('mainPopupSet').appendChild(panelpanel);
// このボックスに色んなボタンを入れればコンパネみたいになるかも
const panelbox = document.createElementNS(NSxul, 'hbox');
panelpanel.appendChild(panelbox);


const panelbutton = document.createElementNS(NSxul, 'toolbarbutton');
panelbutton.setAttribute('tooltiptext',
'Tab schließen');
panelbutton.setAttribute('oncommand',
'gBrowser.removeCurrentTab();' +
'document.getElementById("close-tab-buttonPanel")' +
'.hidePopup();');
panelbox.appendChild(panelbutton);


} catch(e) {};
})();

(function() {

  if (!window.gBrowser)
    return;

  var contextMenu = document.getElementById('contentAreaContextMenu');
  var menuseparator = document.createXULElement('menuseparator');
  menuseparator.id = 'context-sep-closetab';
  contextMenu.append(menuseparator);

  var menuitem = document.createXULElement('menuitem');
  menuitem.id = 'context-closetab';
  menuitem.setAttribute('label', 'Tab schließen');
  menuitem.setAttribute('oncommand', 'gBrowser.removeCurrentTab();');
  contextMenu.append(menuitem);

  var appcontent = document.getElementById('appcontent');
  appcontent.addEventListener('contextmenu', event => {
    setTimeout(() => {
      if (gContextMenu && !gContextMenu.shouldDisplay) {
        for (let string of 'back forward reload bookmarkpage'.split(' ')) {
          document.getElementById('context-' + string).removeAttribute('hidden');
        }
        document.getElementById('context-stop').setAttribute('hidden', 'true');
        const A = 'navigation sep-navigation savepage sep-paste selectall sep-viewsource viewsource viewinfo sep-bidi inspect-a11y inspect sep-closetab closetab'.split(' ');
        for (let node of contextMenu.childNodes) {
          if (A.includes(node.id.substring(8)))
            node.removeAttribute('hidden');
          else
            node.setAttribute('hidden', 'true');
        }
        contextMenu.openPopupAtScreen(event.screenX, event.screenY, true, event);
      }
    }, 50);
  });

})();