/*Initialization Code*/

var path = "C:\\Program Files\\PotPlayer\\PotPlayerMini64.exe";
var addToPlaylistKey = "/add";

var sysPlayerName = "POTPlayer";
var openIn = "Откыть в "+sysPlayerName;
var videoMoved = "Видео перенесено в "+sysPlayerName;
var noFound = "Не найдено видео на странице, доступное для переноса в "+sysPlayerName;

var Menu_n_TooltipTxts = [{
label: "Действие кнопки: Запустить видео сразу в "+sysPlayerName,
radio: '',
value: 'videotoplayer',
tooltipTxt: 'Запустить видео сразу в '+sysPlayerName
},
{
label: "Действие кнопки: Перенести видео в плейлист "+sysPlayerName,
radio: '',
value: 'videotoplaylist',
tooltipTxt: 'Перенести видео  в плейлист '+sysPlayerName
},
];

var YoutubeID = /(?:youtube(?:-nocookie)?\.com\/(?:[^\/\n\s]+\/\S+\/|(?:v|e(?:mbed)?)\/|\S*?[?&]v=)|youtu\.be\/)([a-zA-Z0-9_-]{11})(?:\W|$)/;

if(!(cbu.getPrefs("CB.videoout.action")) || cbu.getPrefs("CB.videoout.action").length < 9) cbu.setPrefs("CB.videoout.action", "videotoplayer");
var tmp = '',
tmpp = '',
innerA = '<div style="display:block!important;color:#00ff00!important;width:250px!important;font:bold 16px serif!important;z-index:999!important;opacity:1!important;visibility: visible!important;',
innerB = 'left:5px!important;position:absolute!important;height:auto!important;box-sizing:border-box!important;padding:5px!important;margin:5px!important;',
stopPl = "javascript:(function(){v=document.getElementById('movie_player');if(v){v.stopVideo()}else{v=document.getElementsByTagName('video');if(v){v[0].src='';try{v[0].load()}catch(e){}};}})();",
ytIMGouter = function(ytID) {return '<div width="100%"><br /><a target="_blank" href="https://www.youtube.com/watch?v=' + ytID + '"><img src="https://i.ytimg.com/vi/' + ytID + '/hqdefault.jpg"></a><br />' + innerA + 'background-color:black!important;position:relative!important;bottom:20px!important;">&nbsp;&nbsp;' + videoMoved + '</div><br /></div><br />'},
handlWin = function(currentWin) {
tmp = '';
var elem = currentWin.document.getElementsByTagName('video'), currLoc = currentWin.location;
if(elem.length > 0) {
if(currLoc.hostname.indexOf('youtu') != -1 && (tmp = currLoc.toString().match(YoutubeID)) && tmp[1].length == 11) {
play(cbu.getPrefs("CB.videoout.action") == "videotoplaylist" ? 'https://www.youtube.com/embed/' + tmp[1] : 'https://www.youtube.com/watch?v=' + tmp[1]);
videoMovedbox = currentWin.document.createElement('videoMoved');
videoMovedbox.innerHTML = innerA + innerB + 'top:-15px!important;"><b>' + videoMoved + '</b></div>';
loadURI(stopPl);
currentWin.document.getElementById('eow-title').appendChild(videoMovedbox);
return true;
};
for(i = 0; i < elem.length; i++) {
if(((tmp = getSrc(elem[i].parentNode, currLoc)) && tmp.length > 2) || (i == 0 && currentWin.document.body.innerHTML.substring(0, 7) == '<video ' && (tmp = currLoc.toString()))) {
videoMovedbox = currentWin.document.createElement('videoMoved');
videoMovedbox.innerHTML = innerA + innerB + 'top:20px!important;background-color:black!important;">' + videoMoved + '</div>';
play(tmp);                
if(currLoc.hostname == 'www.youtube.com') {
elem[i].parentNode.parentNode.appendChild(videoMovedbox);
} else {
elem[i].parentNode.appendChild(videoMovedbox);
};
elem[i].src = '';
try {
elem[i].load()
} catch(e) {};
return true;
}
}
};

currentWin._elems = currentWin.document.getElementsByTagName('iframe');
if(currentWin._elems.length > 0) {
for(currentWin._iCounter = 0; currentWin._iCounter < currentWin._elems.length; currentWin._iCounter++) {
if((currentWin._elems[currentWin._iCounter].src.indexOf('youtube.com') > -1) && (tmp = currentWin._elems[currentWin._iCounter].src.match(YoutubeID)) && (tmp[1].length == 11)) {
play(cbu.getPrefs("CB.videoout.action") == "videotoplaylist" ? 'https://www.youtube.com/embed/' + tmp[1] : 'https://www.youtube.com/watch?v=' + tmp[1]);
currentWin._elems[currentWin._iCounter].outerHTML = ytIMGouter(tmp[1]);
return true;
};
if(currentWin._elems[currentWin._iCounter].clientWidth > 80 && currentWin._elems[currentWin._iCounter].clientHeight > 40 && handlWin(currentWin._elems[currentWin._iCounter].contentWindow))return true;
}
};

elem = currentWin.document.getElementsByTagName('object');
currLoc = currentWin.location;
if(elem.length == 0) {
elem = currentWin.document.getElementsByTagName('embed')
};
if(elem.length > 0) {
for(i = 0; i < elem.length; i++) {
if(elem[i].innerHTML.indexOf('youtu') != -1 && (tmp = elem[i].innerHTML.match(YoutubeID)) && tmp[1].length == 11) {
play(cbu.getPrefs("CB.videoout.action") == "videotoplaylist" ? 'https://www.youtube.com/embed/' + tmp[1] : 'https://www.youtube.com/watch?v=' + tmp[1]);
elem[i].outerHTML = ytIMGouter(tmp[1]);
return true;
} else {
if(elem[i].clientWidth > 80 && elem[i].clientHeight > 40) {
if(((tmp = getSrc(elem[i].parentNode, currLoc)) || (tmp = getLink(elem[i], currLoc))) && tmp.length > 2) {
play(tmp);
elem[i].outerHTML = innerA + 'background-color:black!important;bottom:20px!important;">&nbsp;&nbsp;' + videoMoved + '</div>';
return true;
};
};
}
};
};
return false;
};

this.onclick = this.oncontextmenu = e => {
if (e.target != this) return;
if(e.button == 0) {
if(cbu.getPrefs("CB.videoout.action").substring(0,6) == "videom"){
elem = content.document.getElementsByTagName('object');
if(elem.length == 0) {
elem = content.document.getElementsByTagName('embed')
};

resizeObjs(elem);
resizeObjs(content.document.getElementsByTagName('iframe'));
resizeObjs(content.document.getElementsByTagName('video'));
} else {
if(!handlWin(content))custombuttons.alertSlide1(noFound);
}
};

if(e.button == 1)
gShowPopup(self);

};
this.oncontextmenu = e => e.target != this ? menu.hasAttribute("context")
    : e.ctrlKey || e.shiftKey || e.altKey || e.metaKey || (
        e.detail != 1 ? menu.hidePopup() : !!menu.openPopup(this, "after_start")
    );
custombuttons.alertSlide1 = function(sTitle) {
var as = Components.classes["@mozilla.org/alerts-service;1"].getService(Components.interfaces.nsIAlertsService);
as.showAlertNotification('chrome://global/skin/icons/information-16.png', "", sTitle, false, "", null);
setTimeout(() => as.closeAlert(), 999);
};

function resizeObjs(objs) {
if(!objs) return;
LEVELS = 3;
dir = (cbu.getPrefs("CB.videoout.action") == "videomaximize") ? 1 : -1;
for(i = 0; i < objs.length; i++) {
var Width = new Array(LEVELS)
var Height = new Array(LEVELS)
Width[0] = objs[i].clientWidth;
Height[0] = objs[i].clientHeight;
if((Width[0] > (-20 * dir + 100)) && (Height[0] > (-20 * dir + 60))) {
obj = objs[i];
for(var k = 1;
((k < LEVELS) && (obj.parentNode)); k++) {
obj = obj.parentNode
Width[k] = obj.clientWidth;
Height[k] = obj.clientHeight;
};
Width[0] = Width[0] + dir * (Width[0] / 5 | 0);
Height[0] = Height[0] + dir * (Height[0] / 5 | 0);
objs[i].style.width = Width[0] + "px";
objs[i].width = Width[0];
objs[i].style.height = Height[0] + "px";
objs[i].height = Height[0];
obj = objs[i];
for(var k = 1;
((k < LEVELS) && !(objs[i].tagName == 'IFRAME') && (obj.parentNode) && (Width[k]) && (Height[k]) && (Width[k] > (-20 * dir + 100)) && (Height[k] > (-20 * dir + 60))); k++) {
obj = obj.parentNode
Width[k] = Width[k] + dir * (Width[k] / 5 | 0);
Height[k] = Height[k] + dir * (Height[k] / 5 | 0);
obj.style.width = Width[k] + "px";
obj.width = Width[k];
obj.style.height = Height[k] + "px";
obj.height = Height[k];
}
}
};
};

function restProtHost(lnkR, curLoc) {
if(lnkR.length==0)return '';
let tr = lnkR.replace(/^:\/\//, curLoc.protocol + "//");
if(!tr.match(/^https?:\/\//i)){
lnkR = tr.replace(/^\/+/, '');
if(lnkR.split('/')[0].split('?')[0].split('#')[0].toLowerCase().match(/^(?:[-a-z\d]+\.)+[a-z\d]{2,6}$/)){
tr = curLoc.protocol + '//' + lnkR;
}else{
tr = curLoc.protocol + '//' + curLoc.host + "/" + lnkR;
}
};
return tr;
};

function getSrc(vobj, currentLoc) {
var t = '',
tt = '';
if((((t = vobj.innerHTML.match(/<video.*?\ssrc=(?:(?:'([^']*)')|(?:"([^"]*)")|([^\s]*))/i)) && (t) && (tt = t[1] || t[2] || t[3]) && tt.indexOf('blob:') == -1 ) || ((t = vobj.innerHTML.match(/<source.*?\ssrc=(?:(?:'([^']*)')|(?:"([^"]*)")|([^\s]*)).*?\stype=['"]?video\//i)) && (t) && (tt = t[1] || t[2] || t[3]))) && tt.length > 2 && tt.indexOf('blob:') == -1 ) {
if(tt.indexOf(".mp4/?") == -1) {
tt = tt.replace(/&amp;/g, "&")
};
t = restProtHost(tt, currentLoc);
return t;
};
return '';
};

function getLink(obj, curLocation) {


if(!obj || !obj.tagName) return '';
var flashvars = '',
//        src = '',
q = obj.tagName.toLowerCase();

var getParam = function(e, n) {
var v = '',
r = new RegExp('^(' + n + ')$', 'i'),
param = e.getElementsByTagName('param');
for(var igp = 0, p; p = param[igp]; igp++) {
if(p.hasAttribute('name') && p.getAttribute('name').match(r)) {
v = p.getAttribute('value');
break
};
};
return v;
};


if(q == 'object') {
//        src = obj.getAttribute('data') || obj.getAttribute('src') || getParam(obj, 'movie|data|src|code|filename|url') || (obj.getElementsByTagName('embed').length > 0 ? obj.getElementsByTagName('embed')[0].getAttribute('src') : '');
flashvars = getParam(obj, 'flashvars');
} else if(q == 'embed') {
//        src = obj.getAttribute('src');
flashvars = obj.getAttribute('flashvars');
} else return '';


if(!flashvars) return '';
//   src = restProtHost(src, curLocation);

var restPath = function(f, s) {
return(f.substring(0, 4) == 'http') ? f : s.replace(/[#?].*$/, '').replace(/[^\/]*$/, f)
};

function videoLinkExtract(fl) {
//alert(fl);
var linkArr = [],
outLinks = [],
jj = 0,
lba = '',
lbb = '',
decodeURL = function(s) {
try {
return decodeURIComponent(s)
} catch(e) {
return unescape(s)
}
};

for(var ij = 0; ij < 3; ij++) {
lba = lba + String.fromCharCode(parseInt((Math.random() * 15 + 1) + '', 10));
lbb = lbb + String.fromCharCode(parseInt((Math.random() * 15 + 16) + '', 10));
};

function pushWithMerit(lnk) {

var merit = -11;
if(lnk.match(/^https?:\/\//i)) merit = merit + 40;
if(outLinks.length == 0) merit = merit + 1;
if(lnk.match(/^\//)) merit = merit + 7;
if(lnk.match(/^\/\//)) merit = merit + 30;
if(lnk.match(/240p([^a-z]|$)/i)) merit = merit + 1;
if(lnk.match(/[^a-z]240([^a-z0-9]|$)/i)) merit = merit + 1;
if(lnk.match(/360p([^a-z]|$)/i)) merit = merit + 3;
if(lnk.match(/[^a-z]360([^a-z0-9]|$)/i)) merit = merit + 3;
if(lnk.match(/480p([^a-z]|$)/i)) merit = merit + 5;
if(lnk.match(/[^a-z]480([^a-z0-9]|$)/i)) merit = merit + 5;
if(lnk.match(/720p([^a-z]|$)/i)) merit = merit + 7;
if(lnk.match(/[^a-z]720([^a-z0-9]|$)/i)) merit = merit + 7;
if(lnk.match(/\.mp4([^a-z]|$)/i)) merit = merit + 8;
if(lnk.match(/_hd([^a-z]|$)/i)) merit = merit + 6;
if(lnk.match(/\.(jpg|xml)([^a-z]|$)/i)) merit = merit - 40;
if(merit > 0) outLinks.push(merit + lba + lnk);
Services.console.logStringMessage('merit:'+merit+' lnk->'+lnk);
};

linkArr.push(fl);
while(linkArr.length > jj && jj < 30) {

var testPaths = [];
testPaths = linkArr[jj].split(/(\.(?:flv|mp4|m3u8))/i);
if(testPaths[testPaths.length - 1] == '') testPaths.pop();

for(k = 1; k < testPaths.length; k = k + 2) {

if(testPaths[k - 1].indexOf(lba) > -1) {
pref = testPaths[k - 1];
} else {
var testAboutDom = testPaths[k - 1].toLowerCase().split(/(https?:\/\/)/); 
if(testAboutDom[testAboutDom.length - 1]=='') testAboutDom.pop();
var pTest = testAboutDom[testAboutDom.length - 1].split(/(\?[^\?]*?&)/);
if(pTest.length>2){
pTest.pop();
pTest.pop();
};
testAboutDom[testAboutDom.length - 1] = pTest.join('');
pref = testPaths[k - 1].substring(testAboutDom.join('').lastIndexOf("&") + 1);
};

t2 = pref.lastIndexOf(lbb);
if(t2 > -1) {
pref = pref.substring(t2 + 3);
} else {

t2 = pref.lastIndexOf('{"');
if(t2 > -1) pref = pref.substring(t2 + 2);
t2 = pref.lastIndexOf('["');
if(t2 > -1) pref = pref.substring(t2 + 2);
t2 = pref.lastIndexOf(',"');
if(t2 > -1) pref = pref.substring(t2 + 2);
t2 = pref.toLowerCase().lastIndexOf('"http://');
if(t2 > -1) pref = pref.substring(t2 + 1);
t2 = pref.toLowerCase().lastIndexOf('"https://');
if(t2 > -1) pref = pref.substring(t2 + 1);
t2 = pref.toLowerCase().lastIndexOf(',http://');
if(t2 > -1) pref = pref.substring(t2 + 1);
t2 = pref.toLowerCase().lastIndexOf(',https://');
if(t2 > -1) pref = pref.substring(t2 + 1);
t2 = pref.toLowerCase().lastIndexOf(';http');
if(t2 > -1) pref = pref.substring(t2 + 1);
t2 = pref.toLowerCase().lastIndexOf('*https://');
if(t2 > -1) pref = pref.substring(t2 + 1);
t2 = pref.toLowerCase().lastIndexOf(' or ');
if(t2 > -1) pref = pref.substring(t2 + 4);

pref = pref.substring(pref.split('/')[0].toLowerCase().split('%2f')[0].lastIndexOf('=') + 1);

}

if(pref.length > 0) {

if(pref.split('?')[0].toLowerCase().match(/%[2-3][0-9a-f]/)) {

t2 = pref.indexOf('"')
if(t2 > -1) pref = pref.substring(t2 + 1);
suff = testPaths[k + 1] ? testPaths[k + 1].split('&')[0].split('"')[0].split(';')[0].split(/,http/i)[0] : '';
if((suff != testPaths[k + 1]) || (testPaths.length < k + 3)) {
if(testPaths.length > k + 1) {
testPaths[k + 1] = ((pref == testPaths[k - 1]) ? '' : '&') + testPaths[k + 1].substr(suff.length)
};
t2 = pref.lastIndexOf(lba);
if(t2 > -1) pref = pref.substring(t2 + 3)
linkArr.push(decodeURL(pref + testPaths[k] + suff));

} else {
testPaths[k + 1] = (pref == testPaths[k - 1] ? '' : lbb) + pref + testPaths[k] + suff
}
} else {
suff = testPaths[k + 1] ? testPaths[k + 1].split(';')[0].split('"]')[0].split('"}')[0].split('",')[0].split(/,https?:\/\//i)[0].split('*https://')[0].split(' or ')[0] : '';
t2 = suff.indexOf('&');
if((t2 > -1) && (pref != testPaths[k - 1])) {
if(t2 == 0) suff = '';
if(suff.charAt(0) != '?') suff = suff.split(/(&[^&]+=https?:\/\/)/i)[0];
};
if((suff != testPaths[k + 1]) || (testPaths.length < k + 3)) {
if(testPaths.length > k + 1) {
testPaths[k + 1] = ((pref == testPaths[k - 1]) ? '' : '&') + testPaths[k + 1].substr(suff.length)
};
t2 = pref.lastIndexOf(lba);
if(t2 > -1) pref = pref.substring(t2 + 3);
pushWithMerit(pref + testPaths[k] + suff);

} else {
testPaths[k + 1] = lba + (pref == testPaths[k - 1] ? '' : lbb) + pref + testPaths[k] + suff
}
}
}
};
jj = jj + 1;
};

if(outLinks.length == 0) return '';
function srt(a, b) {
a = parseInt(a.substr(0, a.indexOf(lba)), 10);
b = parseInt(b.substr(0, b.indexOf(lba)), 10);
if(a < b) return 1;
if(a > b) return -1;
return 0
};
outLinks.sort(srt);
outLinks[0] = outLinks[0].substr(outLinks[0].indexOf(lba) + 3)
if(outLinks[0].indexOf('_hq.mp4/?time=') > 0) outLinks[0] = outLinks[0].replace(/&/g, '&amp;');
return outLinks[0];
};
ol = videoLinkExtract(flashvars);
if(!ol) return '';
//    ol = ol.replace(/^:?\/\//, curLocation.protocol + "//");
//    return restPath(ol, src);
return restProtHost(ol, curLocation);
};


var menu = self.appendChild(document.createElement("menupopup"));
self.image = "moz-icon://file://" + path;
var playerName = path.split("\\").pop().replace(".exe","");
self.label = "Открыть видео в " +sysPlayerName;
setTimeout(() => {
Menu_n_TooltipTxts.forEach((m) => {
if("separator" in m) {
menu.appendChild(document.createElement("menuseparator"));
return
};
var mItem = document.createElement("menuitem");
mItem.setAttribute("label", m.label);

if("radio" in m) {
mItem.setAttribute("type", "radio");
mItem.setAttribute('checked', cbu.getPrefs("CB.videoout.action") == m.value);
if(cbu.getPrefs("CB.videoout.action") == m.value) {
self.tooltipText = m.tooltipTxt;
}
mItem.onclick = () => {
cbu.setPrefs("CB.videoout.action", m.value);
tmp = (self.image == imgFlashToPlayer || self.image == imgFlashMinimize ||  self.image == imgFlashMaximize);
if(m.value.substring(0,9)=='videotopl'){
self.image = tmp ? imgFlashToPlayer : imgHTML5ToPlayer;
} else if(m.value=='videominimize') {
self.image = tmp ? imgFlashMinimize : imgHTML5Minimize;
} else self.image = tmp ? imgFlashMaximize : imgHTML5Maximize;
self.tooltipText = m.tooltipTxt;
};
}
if("checkbox" in m) {
mItem.setAttribute('type', 'checkbox');
mItem.setAttribute('checked', (self.image == imgFlashToPlayer || self.image == imgFlashMinimize ||  self.image == imgFlashMaximize ));
mItem.onclick = function(e) {
e.stopPropagation();
e.preventDefault();
if(e.button == 0) toggleFlash();
}
}
menu.appendChild(mItem);
});
menu.onclick = function(e) {
e.stopPropagation();
if(e.button > 0) e.preventDefault();
};
}, 100);
var contextMenu = document.getElementById("contentAreaContextMenu"); 
var menuitem = contextMenu.insertBefore(document.createElement("menuitem"), document.getElementById("context-sep-open"));
menuitem.setAttribute("label", "Открыть в " +sysPlayerName);      
menuitem.setAttribute("class", "menuitem-iconic");
menuitem.setAttribute("image", "moz-icon://file://" + path); 
menuitem.onclick = () => play(gContextMenu.linkURL);
addEventListener("popupshowing", ()=> menuitem.hidden = !gContextMenu.onLink, false, contextMenu);
addDestructor(()=> menuitem.remove() );
var contextMenu = document.getElementById("contentAreaContextMenu");
var mItem = contextMenu.insertBefore(document.createElement("menuitem"), document.getElementById("context-copyvideourl"));
mItem.setAttribute("label", openIn);
mItem.onclick = () => {
var vurl = gContextMenu.mediaURL, videoelem = gContextMenu.target;
if(videoelem && videoelem.nodeName.toLowerCase() == 'video') {
if(content.location.hostname.indexOf('youtu') != -1 && (tmp = content.location.toString().match(YoutubeID)) && tmp[1].length == 11) {
play(vurl);
videoMovedbox = content.document.createElement('videoMoved');
videoMovedbox.innerHTML = innerA + innerB + 'top:-15px!important;"><b>' + videoMoved + '</b></div>';
loadURI(stopPl);
content.document.getElementById('eow-title').appendChild(videoMovedbox);
return;
};

if(content.location.hostname == 'www.youtube.com') {
videoelem.parentNode.parentNode.appendChild(videoMovedbox);
} else {
var inFrameHref = inFrameWin.location.href, found = false;
if(inFrameWin.location.hostname == 'www.youtube.com' && (tmp = inFrameHref.match(YoutubeID)) && tmp[1].length == 11){//и значит во фрейме
elem = inFrameWin.parent.document.getElementsByTagName('iframe');
if(elem.length > 0) {
for(i = 0; i < elem.length; i++) {
if(elem[i].contentWindow == inFrameWin) {
elem[i].outerHTML = ytIMGouter(tmp[1]);
found = true;
break;
};
};
};
if(!found)inFrameWin.document.body.innerHTML = ytIMGouter(tmp[1]);
return;
};
videoelem.parentNode.appendChild(videoMovedbox);
};
videoelem.src = '';
try {
videoelem.load()
} catch(e) {};
} else play(vurl);
};


addEventListener("popupshowing", () => {
mItem.hidden = !gContextMenu.onVideo || !gContextMenu.mediaURL;
mItem2.hidden = !gContextMenu.linkURL;
mItem3.hidden = framItem.hidden || gContextMenu.target.ownerDocument.location.hostname.indexOf('youtube.com') == -1;
}, false, contextMenu);
addDestructor(() => {mItem.remove();mItem2.remove();mItem3.remove()});

function play(link) {
var file = Services.dirsvc.get('CurProcD', Ci.nsIFile);
var MozExeDir = file.path.split('\\').slice(0,-1).join('\\');
file.initWithPath(path);
if(!file.exists()) {
custombuttons.alertBox("File not found!", MozExeDir + Path);
return;
};
var process = Cc["@mozilla.org/process/util;1"].createInstance(Ci.nsIProcess);
process.init(file);
process.run(false, [link, cbu.getPrefs("CB.videoout.action") == "videotoplaylist" ? addToPlaylistKey : ""], 2);
};

// Выделение вкладки добавленой в закладки ..........

({
    style: `
        @namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
        .tabbrowser-tab[inbookmarks] .tab-text.tab-label {
            font-weight: bold !important;
        }
    `.trim(),
    addProcessingInstruction: function(add) {
        if (add) {
            this.pi = document.createProcessingInstruction("xml-stylesheet",
                `type="text/css" href="data:text/css,${encodeURIComponent(this.style)}"`
            );
            document.insertBefore(this.pi, document.firstChild);
        } else
            this.pi.remove();
    },
    init: function() {
        this.addProcessingInstruction(true);
        this.setAttributeForAllTabs(true);
        gBrowser.addTabsProgressListener(this);
        PlacesUtils.addLazyBookmarkObserver(this);

        addDestructor(this.destroy, this);
    },
    destroy: function() {
        this.addProcessingInstruction(false);
        this.setAttributeForAllTabs(false);
        gBrowser.removeTabsProgressListener(this);
        PlacesUtils.removeLazyBookmarkObserver(this);
    },
    isBookmarked: uri => Boolean(PlacesUtils.getBookmarksForURI(uri).length),
    onIlebedevdded: function(id, parent, ind, type, uri) this.onItem(type, uri),
    onItemRemoved: function(id, parent, ind, type, uri) this.onItem(type, uri),
    onItemChanged: function(id, property, isAnno, value, lm, type)
        property == "uri" && this.onItem(type),

    onItem: function(type, uri) {
        type == Ci.nsINavBookmarksService.TYPE_BOOKMARK
        && this.setAttributeForAllTabs(true, uri);
    },
    onLocationChange: function(browser, wp, req, uri) {
        var tab = gBrowser.getTabForBrowser(browser);
        this.setAttributeForTab(tab, this.isBookmarked(uri));
    },
    setAttributeForAllTabs: function(set, uri) {
        for(var tab of gBrowser.tabs) {
            var curr = tab.linkedBrowser.currentURI;
            if (uri && !uri.equals(curr)) continue;
            var state = set && this.isBookmarked(curr);
            this.setAttributeForTab(tab, state);
        }
    },
    setAttributeForTab: function(tab, set) {
        set ? tab.setAttribute("inbookmarks", true) : tab.removeAttribute("inbookmarks");
    }
}).init();

this.url2xul = 'chrome://mozapps/content/extensions/extensions.xul';
this.onClick = function (e) {
    switch (e.button) {
    case 0:
        try {
            BrowserOpenAddonsMgr();
        }
        catch(e) {
            BrowserOpenExtensions('extensions');
        }
        break;
    case 1:
        {
            if (e.ctrlKey) {
                var t = gBrowser.mTabs;
                var current = content.document.location.href;
                var i = t.length;
                if (current == this.url2xul) gBrowser.removeCurrentTab();
                else while (true) {
                    if (--i < 0) {
                        if (current == 'about:blank') // replace blank tab
                        loadURI(this.url2xul);
                        else // add new tab 
                        gBrowser.selectedTab = gBrowser.addTab(this.url2xul);
                        break;
                    };
                    if (t[i].linkedBrowser.currentURI.spec == this.url2xul) // popup loaded
                    {
                        gBrowser.selectedTab = gBrowser.tabContainer.childNodes[i];
                        break;
                    };
                };
            } else openWebPanel(this.tooltipText, this.url2xul);
        };
        break;
    };
};
this.setAttribute('onclick', 'this.onClick(event);');

const Cb = custombuttons;
const EXTENSION = Ci.nsIUpdateItem.TYPE_EXTENSION;



function prop(aElement, aString) {
    var emRDF = "http://www.mozilla.org/2004/em-rdf#";
    var arc = RDFService.GetResource(emRDF + aString);
    var target = extensionDS.GetTarget(aElement, arc, true);
    if (target instanceof Ci.nsIRDFLiteral) return target.Value;
    if (target instanceof Ci.nsIRDFInt) return target.Value;
    return null;
}

var cloneCBcontext = {
    cloneItems: function (aNode, aID, aSeparate) {
        var menupopup = document.getElementById(aID).cloneNode(true);
        var menuitems = menupopup.childNodes.length;
        for (var i = 0; i < menuitems; i++)
        aNode.appendChild(menupopup.firstChild);
        if (aSeparate) aNode.appendChild(document.createElement("menuseparator"));
    },
    makeMenu: function (aNode) {
        var m = aNode.appendChild(document.createElement("menu"));
        m.setAttribute("label", "Custom Button");
        m.setAttribute("oncommand", "event.stopPropagation()");
        var mp = m.appendChild(document.createElement("menupopup"));
        cloneCBcontext.cloneItems(mp, "custombuttons-contextpopup");
        aNode.insertBefore(document.createElement("menuseparator"), m);
    }
}

const popupID = "cbContext-extensionsButton";

var test = document.getElementById(popupID);
if (test) test.parentNode.removeChild(test);

var main = document.getElementById("mainPopupSet");
var cPopup = main.appendChild(document.createElement("popup"));
cPopup.id = popupID;
cPopup.setAttribute("oncommand", "event.stopPropagation(); document.popupNode.openPrefs(event);")

var RDFService = Cc["@mozilla.org/rdf/rdf-service;1"].getService(Ci.nsIRDFService);
var Container = Cc["@mozilla.org/rdf/container;1"].getService(Ci.nsIRDFContainer);
var extensionDS = Cc["@mozilla.org/extensions/manager;1"].getService(Ci.nsIExtensionManager).datasource;

var root;
try {
    root = RDFService.GetResource("urn:mozilla:item:root");
} catch(err) {
    root = RDFService.GetResource("urn:mozilla:extension:root");
}

Container.Init(extensionDS, root);

var elements = Container.GetElements();
var extensionArray = [];
var i = -1;
while (elements.hasMoreElements()) {
    i++;
    var element = elements.getNext();
    element.QueryInterface(Components.interfaces.nsIRDFResource);
    var prop_OptionsURL = prop(element, "optionsURL");
    if (prop(element, "type") == EXTENSION && prop_OptionsURL) {
        var prop_name = prop(element, "name");
        extensionArray[i] = [];
        extensionArray[i][0] = prop_name.charAt(0).toUpperCase() + prop_name.substr(1);
        extensionArray[i][1] = prop_OptionsURL;
        extensionArray[i][2] = prop(element, "userDisabled");
        extensionArray[i][3] = prop(element, "version");
        extensionArray[i][4] = prop(element, "iconURL");
        if (!extensionArray[i][4]) extensionArray[i][4] = "chrome://mozapps/skin/xpinstall/xpinstallItemGeneric.png";
    }
}

extensionArray.sort();

var features = "chrome, dialog = 0, resizable, titlebar, toolbar, centerscreen";

var extCommand = "window.openDialog('ZZZ', '', '" + features + "');";

for (var i = 0; i < extensionArray.length; i++) {
    var extArray = extensionArray[i];
    try {
        var mItem = document.createElement("menuitem");
        mItem.setAttribute("label", extArray[0] + " " + extArray[3]);
        if (extArray[4]) {
            mItem.setAttribute("class", "menuitem-iconic bookmark-item");
            mItem.setAttribute("image", extArray[4]);
        }
        if (extArray[1]) mItem.setAttribute("oncommand", extCommand.replace("ZZZ", extArray[1]));
        if (extArray[2]) mItem.setAttribute("disabled", true);
        cPopup.appendChild(mItem);
    } catch(e) {}
}

cloneCBcontext.makeMenu(cPopup);
this.setAttribute("context", popupID);

if (typeof Local_Install != "object") return;

var test = document.getElementById("cbContext-extensions");
if (test) test.parentNode.removeChild(test);

var cbPopup = document.getElementById("custombuttons-contextpopup-subCall").cloneNode(true); // Cb context
var subMenu = document.createElement("menu");
subMenu.setAttribute("label", "Custom Button");
subMenu.appendChild(cbPopup.lastChild);

var extensionsPopup = document.getElementById("emb-context");
var popup = extensionsPopup.cloneNode(true);
popup.id = "cbContext-extensions";
popup.appendChild(document.createElement("menuseparator"));
popup.appendChild(subMenu);
extensionsPopup.parentNode.appendChild(popup);

this.setAttribute("context", popup.id);

// Настройка функций кликов мыши для кнопки ...........
this.onclick =e=> {
   if ( e.button === 0 ) gBrowser.selectedTab = gBrowser.addTab(notepad, {
    triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal()
    }); // открыть блокнот    
};

// Обновить блокнот в текущей вкладке после обновления кнопки ...........
if ( gBrowser.currentURI.spec == notepad ) {
     var val = content.document.getElementsByTagName("textarea")[0].value;
     loadURI(notepad);
     setTimeout(()=> content.document.getElementsByTagName("textarea")[0].value = val, 500);     
     };
        
// Очистить адресную строку в кладке блокнота ...........
addEventListener("TabAttrModified", ()=> gBrowser.currentURI.spec == notepad && gURLBar.reset());

// Получаем адрес блокнота как base64 из вкладки Справка и добавляем иконку для вкладки блокнота ...........
var notepad = "data:text/html;base64," + window.btoa(self.getAttribute('Help').replace('selfImage', self.image));

// Подсказка у кнопки ...........
this.tooltipText = "Блокнот во вкладке \nЛ: Открыть блокнот \nП: CB меню";

// Добавить выделенный текст в файл из контекстного меню, от 10.05.2019. .............
((contextMenu, el)=> {
   var menuitem = contextMenu.insertBefore(document.createElement("menuitem"), el);
   menuitem.id = "content-saveTextItem";
   menuitem.setAttribute("label", "Сохранить выделенный текст в файл");
   menuitem.setAttribute("class", "menuitem-iconic");
   menuitem.setAttribute("image", "data:image/png;base64,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");
   addDestructor(()=> menuitem.remove());
   addEventListener('popupshowing', e=> menuitem.hidden = !gContextMenu.isTextSelected, false, contextMenu); 
   menuitem.onclick =e=> e.button ? setPathToFile() : saveSelectionToFile();
   
   function saveSelectionToFile() {
      var s = "CB.saveSelectionToFile", pref = Services.prefs;
      try { var pathToFile = pref.getStringPref ? pref.getStringPref(s) : pref.getComplexValue(s, Ci.nsISupportsString).data; }
      catch(e) { setPathToFile() };

      var title = convertFromUnicode("windows-1251", getTabLabel());
      var selection = gBrowser.contentDocument.defaultView.getSelection().toString();
      var text = convertFromUnicode("windows-1251", selection) + "\n\n\n\n\n";
      var file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
      file.initWithPath(pathToFile);
      
      var foStream = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(Ci.nsIFileOutputStream);
      file.exists() ? foStream.init(file, 0x02 | 0x10, 0664, 0) : foStream.init(file, 0x02|0x08|0x20, 0666, 0);
      foStream.write(text, text.length);
      foStream.close();
      
      document.activeElement.blur();  
      setTimeout(()=> window.content.focus(), 300);
   };
   
   function setPathToFile() {     
      var fp = window.makeFilePicker();
      fp.init(window, "Создайте текстовой файл для сохранения текста!", fp.modeSave);
      fp.appendFilters(fp.filterText);
      fp.defaultString = getTabLabel();
      fp.open(result => result == fp.returnOK && cbu.setPrefs("CB.saveSelectionToFile", convertFromUnicode("windows-1251", fp.file.path) + ".txt"));
   };
   
   function convertFromUnicode(charset, str) {
      var converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Ci.nsIScriptableUnicodeConverter);
      converter.charset = charset;
      str = converter.ConvertFromUnicode(str);
      return str + converter.Finish();
   };
   
   function getTabLabel() { 
      var label = gBrowser.mCurrentTab.label;      
      var label = label.replace(/[:+.\\\/<>?*|"]+/g, " ").replace(/\s\s+/g, " ");
      return label.substring(0, 50);
   };
})(document.getElementById("contentAreaContextMenu"), document.getElementById("context-sep-open"));