this.tooltipText = "[L=Zoom+ |M=Page/Text |R=Zoom-]";

var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);

var TextIcon = 'data:image/png;base64,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';

var PageIcon = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAwElEQVQ4jd3RMWpCQRSF4S/iBtyCELHW1sIV6ALiRnQH4hJ0ByF2Ym8aG1Ml8Ji3ArXRDZhUA+bx3qCWHjgw3Jn57+XcF1fq0JXQF7vUvYxw4bfKGWHO4mFA9AfLJCAjdOhG9+jPWVxDmrSSgLIGGz4jYMwEaslQCtqyLdbuAgwYxvOJM9SrHscRoUFjwLDFKwTy97Igb93CG6P4p3KCQF6sHdhPma1YJwGBvF22phLdFeKTAv6F+MP3gf2R462AP7hdbq8C1bDsAAAAAElFTkSuQmCC';

if(prefs.getBoolPref("browser.zoom.full"))
  this.image = PageIcon;
else
  this.image = TextIcon;
this.leftclick = function(e)
{
document.getElementById("cmd_fullZoomEnlarge").doCommand();
}

this.midclick = function (evt){
if(prefs.getBoolPref("browser.zoom.full"))
{  
prefs.setBoolPref("browser.zoom.full", false);
this.image = TextIcon;
ucjs_zoom.updateZoom();
}
else{
prefs.setBoolPref("browser.zoom.full", true);
this.image = PageIcon;
ucjs_zoom.updateZoom();
}
  };

this.rightclick = function(event) {
document.getElementById("cmd_fullZoomReduce").doCommand();    
};
this. gQuot = {};
this. gQuot. __proto__ = custombuttons. gQuot;
this. gQuot. dcDelay = 0;
this. setAttribute ('onclick', 'this.gQuot.mHandler(event, this)');
      
       
//Zoom+ ........................................ 
var ucjs_zoom = {    
     _TAGET_ID:    "page-report-button",
     
    // Цвет и знаков(default: представляющая режим масштабирования)
    _ZOOM_MODE: [ { txt: "\Full Zoom", color: "false", font: "font-weight: normal ;" },       // Полный зум, черный
                  { txt: "\Zoom", color: "true", font: "font-weight: bold;" } ],    // Масштаб текста синий
    

    //Инициализация
    init: function() {
        
        // Zoom 
        var _cmd = "ucjs_zoom.updateZoom(); $&";
        // toggleZoom
        eval("ZoomManager.toggleZoom = " + ZoomManager.toggleZoom.toString().replace(/}$/, _cmd));
        // reset
        eval("FullZoom.reset = " + FullZoom.reset.toString().replace(/}$/, _cmd));
        // enlarge
        eval("FullZoom.enlarge = " + FullZoom.enlarge.toString().replace(/}$/, _cmd));
        // reduce
        eval("FullZoom.reduce = " + FullZoom.reduce.toString().replace(/}$/, _cmd));
        // _handleMouseScrolled
        _cmd = "setTimeout(ucjs_zoom.updateZoom, 0); $&";
        eval("FullZoom._handleMouseScrolled = " + FullZoom._handleMouseScrolled.toString().replace(/}$/, _cmd));
        
        addEventListener("TabAttrModified", function(e) { 
           if ( e.target.linkedBrowser.currentURI.spec !== gBrowser.currentURI.spec ) return;             
           ucjs_zoom.updateZoom();      
        }, true, gBrowser.tabContainer );
        

      // Zoom Создание панели
        var zoomPanel = document.createElement("statusbarpanel");
        zoomPanel.setAttribute("id", "ucjs_zoom_statuslabel");
        zoomPanel.setAttribute("context", "ucjs_zoom-context");
        var targetPanel = document.getElementById(this._TAGET_ID);
        targetPanel.parentNode.insertBefore(zoomPanel, targetPanel.nextSibling);
        
        // Zoom Колесико прокрутки на панели
        zoomPanel.addEventListener("DOMMouseScroll", function(event){
         if (event.detail > 0) FullZoom.reduce();
        else FullZoom.enlarge();
        }, false);
        
        //Zoom Reset
        zoomPanel.addEventListener("click", function(){document.getElementById("cmd_fullZoomReset").doCommand()}, true);
    

    },

    // Чтобы изменить значение масштаба для определения количества
    set_Zoom: function(n) {
        var markupDocumentViewer = getBrowser().markupDocumentViewer;
        if (!markupDocumentViewer) return;

        if (ZoomManager.useFullZoom) {
            if (markupDocumentViewer.textZoom != 1) markupDocumentViewer.textZoom = 1;
            if (markupDocumentViewer.fullZoom != n) markupDocumentViewer.fullZoom = n;
        } else {
            if (markupDocumentViewer.textZoom != n) markupDocumentViewer.textZoom = n;
            if (markupDocumentViewer.fullZoom != 1) markupDocumentViewer.fullZoom = 1;
        }
        ucjs_zoom.updateZoom();
        return n;
    },

     // Обновить статус кнопки
    updateZoom: function(){
        
        // Кнопка для обновления статуса
        var Zoom = document.getElementById("ucjs_zoom_statuslabel");
        Zoom.setAttribute("label", Math.floor((ZoomManager.zoom + 0.005) * 100) + "%");
        Zoom.setAttribute("tooltiptext", ucjs_zoom._ZOOM_MODE[ZoomManager.useFullZoom? 0: 1].txt);
        Zoom.setAttribute("ZoomStyle", ucjs_zoom._ZOOM_MODE[ZoomManager.useFullZoom? 0: 1].color);
        Zoom.setAttribute("style", ucjs_zoom._ZOOM_MODE[ZoomManager.useFullZoom? 0: 1].font);
        
   }    
};
//Запускаем функцию
// не запускаем функцию, если функция уже выполнялась
if (!document.getElementById("ucjs_zoom_statuslabel")) ucjs_zoom.init();




//image Change Size.......................................
(function imageChangeSize(){
    // выходим, если функция уже выполнялась
    if (document.getElementById("imagechangesize")) return;

    const MAGNIFICATION = 2; 
    const MAX_MAGNIFICATION = MAGNIFICATION * 8; 
    const MIN_MAGNIFICATION = MAGNIFICATION / 8; 
    const ZOOM_ATTR = "jsa-zoom"; 
    const kXULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";

    var contextMenu = document.getElementById("contentAreaContextMenu");
    var separator = document.getElementById("context-sep-properties");
    var eventTarget = null;

    var menu = document.createElementNS(kXULNS, "menu");
    menu.id = "imagechangesize";
    var locale = Components.classes["@mozilla.org/preferences-service;1"]
                         .getService(Components.interfaces.nsIPrefBranch)
                         .getCharPref("general.useragent.locale");
    menu.setAttribute("label", locale.indexOf("ru") == -1 ? "Image zoom" : "Изменить размер");

    menu.setAttribute("accesskey", "i");
    menu.hidden = true;
    contextMenu.insertBefore(menu, separator);

    var menuPopup = document.createElementNS(kXULNS, "menupopup");
    menu.appendChild(menuPopup);

    var lst = [
        {
          label:"\Zoom (+)",
          command:zoomIn
        },
        {
          label:"\Zoom (-)",
          command:zoomOut
        },
        {
          label:"\Zoom (0)",
          command:original
        }
        ];
    
    for(var i = 0, m; m = lst[i]; i++){
        var menuItem = document.createElementNS(kXULNS, "menuitem");
        menuItem.setAttribute("label", m.label);
        if ("accesskey" in m) menuItem.setAttribute("accesskey", m.accesskey);
        menuItem.addEventListener("command", m.command, false);
        menuItem.id = "image-change-size-" + m.label.toString();
        menuPopup.appendChild(menuItem);
    }

    contextMenu.addEventListener("popupshowing", setMenuDisplay, false);

    function setMenuDisplay(aEvent) {
        if(gContextMenu.onImage){
            document.getElementById("imagechangesize").hidden = false;
        }else{
            document.getElementById("imagechangesize").hidden = true;
        }
    }

    function zoomIn(){
        var imgObj = gContextMenu.target;
        if(imgObj.localName.toLowerCase() != "img") return;
        var zoom = imgObj.getAttribute(ZOOM_ATTR);
        if(zoom == null) zoom = 1;
        if(MAX_MAGNIFICATION > zoom){
            zoom = parseFloat(zoom) * MAGNIFICATION;
            imgObj.width = imgObj.naturalWidth * zoom;
            imgObj.height = imgObj.naturalHeight * zoom;
            imgObj.setAttribute(ZOOM_ATTR, zoom);
        }
    }

    function original(){
        var imgObj = gContextMenu.target;
        if(imgObj.localName.toLowerCase() != "img") return;

        imgObj.width = imgObj.naturalWidth;
        imgObj.height = imgObj.naturalHeight;
        imgObj.removeAttribute(ZOOM_ATTR);
    }

    function zoomOut(){
        var imgObj = gContextMenu.target;
        if(imgObj.localName.toLowerCase() != "img") return;

        var zoom = imgObj.getAttribute(ZOOM_ATTR);
        if(zoom == null) zoom = 1;

        if(MIN_MAGNIFICATION < zoom){
            zoom = parseFloat(zoom) / MAGNIFICATION;
            if(zoom == 0){
                imgObj.width = imgObj.naturalWidth;
                imgObj.height = imgObj.naturalHeight;
            }else{
                imgObj.width = imgObj.naturalWidth * zoom;
                imgObj.height = imgObj.naturalHeight * zoom;
            }
            imgObj.setAttribute(ZOOM_ATTR, zoom);
        }
    }

})();