(function() {
  function myName(){
		return "myContextMenu";
	}
  function hideMyContextMenu() {
    var d = document.getElementById(myName());
    if (d) {
      d.style.display = "none";
    }
  }

  function showSystemContextMenu(id) {
    var element = document.getElementById(id);
    if (element) {
      element.skipMe = 1;
    }
    ev = document.createEvent("MouseEvents");
    ev.initMouseEvent("click", true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 2, null);
    element.dispatchEvent(ev);

    return;
    if (window.CustomEvent) {
      element.dispatchEvent(new CustomEvent('contextmenu'));
    } else if (document.createEvent) {
      var ev = document.createEvent('HTMLEvents');
      ev.initEvent('contextmenu', true, false);
      element.dispatchEvent(ev);
    } else { // Internet Explorer
      element.fireEvent('oncontextmenu');
    }
  }

  function hasDesiredParent(element){
		var p = element;
		var tid = "";
		var hasDesiredParent = false;
		while ((p) && (!hasDesiredParent)) {
			if (p.id) {
				if (p.id.indexOf("_short") > -1) {
					hasDesiredParent = true;
					tid = p.id;
				}
				if (p.id.indexOf("_long") > -1) {
					hasDesiredParent = true;
					tid = p.id;
				}
			}
			if (p.className) {
				if (p.className.indexOf("story_title") > -1) {
					hasDesiredParent = true;
					tid = p.id;
				}
			}
			p = p.parentNode;
		}
		return hasDesiredParent;
	}

  function createButton(label){
		var b = document.createElement('button');
		b.innerHTML = label;
		return b;
	}
  function addTheButtons(target){
		var b1 = createButton('obe');
		b1.addEventListener('click', function (e){
			rss_show_obe(e.target);
			hideMyContextMenu();
		});
		var b2 = createButton('copy');
		b2.addEventListener('click', function (e){
			document.execCommand('copy');
			hideMyContextMenu();
		});
		target.appendChild(b1);
		target.appendChild(b2);
	}
	function getMyDiv(){
		var d = document.getElementById(myName());
		if (!d) {
			d = document.createElement("div");
			d.id = myName();
			d.style.position = "absolute";
			addTheButtons(d);
			document.body.appendChild(d);
		}
		return d;
	}

  function showMyDiv(e){
		var d = getMyDiv();
		d.style.display = "";
		d.style.left = e.pageX + 'px';
		d.style.top = e.pageY + 'px';
		//d.style.width = "100px";
		//d.style.height = "100px";
	}

  function checkContextMenu(e) {
    if (!e.target) {
			//how did this happen?
			return ;
		};
    if (e.target.skipMe) {
      e.target.skipMe--;
      return;
    }
    if (!hasDesiredParent(e.target)) {
      return;
    }
    var sel = window.getSelection().toString();
    if (sel) {
      e.preventDefault();
      e.stopPropagation();
			showMyDiv(e);
    } else {
        // no selection
    }

  };

  var i = setInterval(function() {
    if (!$) {
			//wait  for jquery
      return;
    }
    clearInterval(i);
    $(document).on("contextmenu", function (e){
			checkContextMenu(e);
		});
		$(document).on("click", function (e){
			hideMyContextMenu(e);
		});
  }, 1000);


})();