// Настройка функций кликов мыши для кнопки ................................................................
this.onclick = function(e) {

     // действие при клике ЛКМ ....
     if ( e.button == 0 ) {
          document.getElementById('sidebar-box').getAttribute('sidebarcommand') ? toggleSidebar() : openWebPanel("Downloads", downTabUrl );         
          };
          
     // действие при клике СКМ ....    
     if ( e.button == 1 ) { 
          var windows = Components. classes ['@mozilla.org/appshell/window-mediator;1'].getService(Components. interfaces. nsIWindowMediator).getEnumerator (null);
          while( windows. hasMoreElements() ) {
                 var win = windows.getNext ();
                 if ( win.document.documentURI == "chrome://mozapps/content/downloads/downloads.xul") {    
                      win.close();
                      return;
                      }
                 };
          BrowserDownloadsUI();
          };
     
     // действие при клике ПКМ ....    
     if ( e.button == 2 && !e.ctrlKey && !e.shiftKey && !e.altKey && !e.metaKey ) { 
          e.preventDefault();  
          downloadManagerInTab( true );
          }
};



// Объявляем переменные для этой вкладки ...................................................................
var downTabUrl = 'chrome://mozapps/content/downloads/downloads.xul';

// иконки для вкладки загрузок ....
const trueDownloadsImg = "data:image/x-icon;base64,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";
const falseDownloadsImg = "data:image/png;base64,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";



/* Открывать загрузки в табе или переместить вкладку загрузок рядом с текущей вкладкой 
   если загрузи уже открыты и закрыть все лишние вкладки загрузок  ..........................................*/
function downloadManagerInTab( foregroundTab ) {          
  
     setTimeout(function() { closeDownloadManager() }, 0); // закрыть стандартный менеджер загрузок     
     
     // закрыть все вкладки загрузок кроме первой ....
     var downTab = null;
     Array.slice( gBrowser.tabs ).forEach(function(tab) {
           if ( tab.linkedBrowser.currentURI.spec !== downTabUrl ) return;
           !downTab ? downTab = tab : gBrowser.removeTab(tab);
     })
   
     // переместить или открыть вкладку загрузок рядом с текущей вкладкой ....
     var selTab = gBrowser.selectedTab;
     if ( downTab !== selTab ) {
          if ( downTab && gBrowser.visibleTabs.indexOf( downTab ) == -1 )
               TabView.moveTabTo( downTab, TabView._window.GroupItems._activeGroupItem.id );
          downTab = downTab || gBrowser.addTab( downTabUrl );
          var pos = selTab._tPos + ( downTab._tPos > selTab._tPos );
          gBrowser.moveTabTo( downTab, pos );
          gBrowser.selectedTab = downTab;        
          } 
};



// Автоматически меняем иконку для таба "Загрузки" .........................................................
addEventListener("TabAttrModified", function(e) { 
     if ( e.target.linkedBrowser.currentURI.spec == downTabUrl ) {
          var tabIndex = gBrowser.getBrowserIndexForDocument( e.target.linkedBrowser.contentDocument );
          var tab = gBrowser.mTabContainer.childNodes[tabIndex];
          LOG(tab.label)
          tab.image = ( tab.label == "Загрузки" )? falseDownloadsImg: trueDownloadsImg;
          }      
}, true, gBrowser.tabContainer);



// Отслеживать все команды связные с загрузкой и запускать нужные функции и команды  ........
function getCommand(e) {
     var command = e.target.getAttribute("oncommand");
     if ( command == "performCommand('cmd_removeFromList');" || command == 'clearDownloadList();') {
          if ( content.document.location == downTabUrl) document.getElementById("Browser:Reload").doCommand();
          if ( document.getElementById('sidebar-box').getAttribute('sidebarcommand') ) openWebPanel("Downloads", downTabUrl );                
          }
};     
addEventListener("command", getCommand, true, window);



// Исправляем ошибки .......................................................................................
function setFakeArguments(e) {
     if ( e.target.location.href == 'chrome://mozapps/content/downloads/downloads.xul' ) {
     var win = e.target.defaultView;
     win = win.wrappedJSObject || win;
     win.arguments = [];
     }
};
addEventListener("TabClose", setFakeArguments, true, gBrowser);
addEventListener("DOMContentLoaded", setFakeArguments, true, gBrowser);
addEventListener("DOMContentLoaded", setFakeArguments, true, document.getElementById('sidebar-box'));




// Закрыть стандартный менеджер загрузок ....................................................................
function closeDownloadManager() {
     var wm = Cc["@mozilla.org/appshell/window-mediator;1"].getService(Ci.nsIWindowMediator);
     var dm = wm.getMostRecentWindow("Download:Manager");
     if ( dm ) dm.close();  
};


        
// Подсказка для кнопки .....................................................................................
this.tooltipText = "L: Download Manager in the Sidebar\nM: Download Manager \nR: Download Manager in the Tab\nCtrl+R: CB menu ";

url = content.document.location.href;
adr=(url.substring(url.indexOf('/')+2));
getBrowser().selectedTab = getBrowser().addTab("https://userscripts.org/scripts/search?q=" + adr +"&submit=Search");