Вопросы по Mozilla Firefox

// Block Site Button от 18.08.2013.

// Настройка функций кликов мыши для кнопки ...............................
this.onclick = function(e) {  
    if ( e.button == 0 ) {
         BlockSite.AddPage( window.content.location.href );
         showTooltip();
         }
};



// Добавить адрес ссылки в список BlockSite при перетаскивании ссылки на кнопку ................................
this.ondrop = function(e) {
    var url = e.dataTransfer.mozGetDataAt("text/x-moz-url-data", 0);
    if ( !url ) {
     var text = e.dataTransfer.mozGetDataAt("text/plain", 0).trim();
     
         if ( /^(?:https?):/i.test(text) ) { try { url = makeURI(text) } catch (e) {} }
         else
              if ( /^(?:[a-z\d-]+\.)+[a-z]+$/i.test(text) ) {
                   var uriFixup = Cc["@mozilla.org/docshell/urifixup;1"].getService(Ci.nsIURIFixup);
                   try { url = uriFixup.createFixupURI(text, uriFixup.FIXUP_FLAG_NONE) } catch (e) {}
                   }
         if ( url && url.host ) url = url.spec;
     }
    url = url && url.substring(0, 4) == "http" ? url : null;

    BlockSite.AddPage( url );
    showTooltip();  
};
this.ondragover = function(e) { e.preventDefault() };



// Показать подсказку у кнопки при добавлении адреса в список BlockSite ................................        
function showTooltip() {
   var tooltip = self.lastChild;
   if ( !tooltip ) {
        tooltip = self.appendChild(document.createElement("tooltip"));
        tooltip.style.cssText = "font-weight: bold !important; color: red !important; font-size: 14px !important;";
        }
   self.tooltipText = ""    
   tooltip.label = "Добавил в " + (cbu.getPrefs("extensions.BlockSite.listtype")[0] == "b" ? "чёрн" : "бел") + "ый список";
   tooltip.showPopup( self, -1, -1, "popup", "topleft", "topright");
   self.onmouseleave = function() { tooltip.hidePopup( self.onmouseleave = null ); self.tooltipText = self.label };
};



// Установить нужную иконку кнопки при старте браузера или при изменениях настроек BlockSite ................................
var s = "extensions.BlockSite.listtype";
function toggleImage() {
   var icon = self.ownerDocument.getAnonymousElementByAttribute( self, "class", "toolbarbutton-icon");
   icon.src = cbu.getPrefs( s )[0] == "b"
   ? self.image
   : "data:image/x- icon;base64,AAABAAEAEBAAAAEAIABoBAAAFgAAACgAAAAQAAAAIAAAAAEAIAAAAAAAQAQAAAAAAAAA
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 FpAFvxiKAWAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==";  
};
toggleImage();
gPrefService.addObserver( s, toggleImage, false );
addDestructor(function() { gPrefService.removeObserver( s, toggleImage, false ) });