firefox按钮菜单自动弹出uc脚本AutoPopup.uc.js，修正Omnibar上的图标按钮有些不能弹出的问题

// ==UserScript==// @name           AutoPopup.uc.js// @description    Auto popup menulist/menupopup// @compatibility  Firefox 30.0+// @author         GOLF-AT, modify by gsf// @version        2015.1.30// ==UserScript==(function () {var nDelay = 300;var overElt = null;var PopElt = null;var PopTimer = null;var HideTimer = null;var searchBar = null;var AlwaysPop = false;//by gsf,支持Fx的CSS所有语法: #表示id，. 表示class，或[id='demo']var BlackIDs = [];//by gsf, 白名单，及触发动作var whiteIDs = [{id: 'omnibar-defaultEngine',popMemu: 'omnibar-engine-menu',run: function(overElem){document.getElementById('omnibar-in-urlbar').click(0);}},{id: 'readLater',popMemu: 'readLater-popup',run: null//function(overElem){ PopElt.popup();}},{id: 'foxyproxy-toolbar-icon',popMemu: 'foxyproxy-toolbarbutton-popup',run: null}];var whitesInx = -1;var popupPos = ['after_start', 'end_before', 'before_start', 'start_before'];var menuPanelID = 'PanelUI-popup';var downPanelID = 'downloadsPanel';var widgetPanelID = 'customizationui-widget-panel';function IsWidgetBtn(elt) {try {return elt.hasAttribute('widget-id')&& elt.getAttribute('widget-type') == 'view';} catch (e) {return false;}}function IsSearchBtn(elt) {try {return elt.getAttribute("anonid") == 'searchbar-search-button'|| whitesInx === 0;} catch (e) {return false;}}function IsNewMenuBtn(elt) {try {return elt.id == 'PanelUI-menu-button';} catch (e) {return false;}}function IsDownloadBtn(elt) {try {return elt.localName == 'toolbarbutton'&& elt.id == 'downloads-button';} catch (e) {return false;}}function IsAutoComplete(elt) {try {return elt.getAttribute('type').substr(0, 12) == 'autocomplete';} catch (e) {return false;}}function getPopupMenu(elt) {if (whitesInx > -1 && PopElt)return PopElt;var nodes = elt ? elt.ownerDocument.getAnonymousNodes(elt) : null;for (let [i, k] in Iterator(nodes)) {if (k.localName == 'menupopup')return k;}var s = elt.getAttribute('popup');return s ? document.getElementById(s) : null;}function isBlackNode(elt) {return BlackIDs.some(function(css) {return css.length > 0 && document.querySelector(css);});}function getPopupPos(elt) {var x, y, pos, box;for (pos = 0, x = elt.boxObject.screenX, y = elt.boxObject.screenY; elt != null; elt = elt.parentNode){if (elt.localName == 'window' || !elt.parentNode)break;else if ('toolbar' != elt.localName &&'hbox' != elt.localName && 'vbox' != elt.localName);else if (elt.boxObject.height >= 3 * elt.boxObject.width) {if (elt.boxObject.height >= 45) {pos = 9;break;}} else if (elt.boxObject.width >= 3 * elt.boxObject.height) {if (elt.boxObject.width >= 45) {pos = 8;break;}}}try {box = elt.boxObject;x = (pos & 1) ? (x <= box.width / 2 + box.screenX ? 1 : 3) :(y <= box.height / 2 + box.screenY ? 0 : 2);} catch (e) {x = 0;}return popupPos[x];}function getPopupNode(node) {if (whitesInx > -1 && PopElt)return PopElt;var elt, isPop, s;for (; node != null; node = node.parentNode) {if (node == PopElt)return node;isPop = false; //Node isn't Popup nodes = node.localName;if (s == 'menupopup' || s == 'popup' || s == 'menulist'   || IsAutoComplete(node) || IsMenuButton(node))isPop = true;else if (s == 'dropmarker') {if (node.getAttribute('type') == 'menu') {elt = node.parentNode;if (elt.firstChild.localName == 'menupopup')isPop = true;} else if (node.className == 'autocomplete-history-dropmarker')isPop = true;else {try {isPop = node.parentNode.id == 'urlbar';} catch (ex) {}}} else if (s == 'menu')isPop = 'menubar' == node.parentNode.localName;else if (IsButton(node)) {for (elt = node; (elt = elt.nextSibling) != null;) {if (elt.localName == 'dropmarker' &&elt.boxObject.width > 0 &&elt.boxObject.height > 0)break;}if (elt) break;}if (isPop) break;}if (PopElt && node) {//Whether node is child of PopEltfor (elt = node.parentNode; elt != null; elt = elt.parentNode) {if (elt == PopElt)return PopElt;}}return isPop ? node : null;}function AutoPopup() {PopTimer = null;if (!overElt) return;if (whitesInx > -1 && PopElt && whiteIDs[whitesInx].run) {whiteIDs[whitesInx].run(overElt);return;}!PopElt && (PopElt = overElt);if (overElt.localName == 'dropmarker')PopElt.showPopup();else if (overElt.localName == 'menulist')overElt.open = true;else if (IsNewMenuBtn(overElt)) {PanelUI.show();PopElt = document.getElementById(menuPanelID);} else if (IsWidgetBtn(overElt)) {var cmdEvent = document.createEvent('xulcommandevent');cmdEvent.initCommandEvent("command", true, true, window, 0, false,false, false, false, null);overElt.dispatchEvent(cmdEvent);PopElt = document.getElementById(widgetPanelID);} else if (IsDownloadBtn(overElt)) {PopElt = document.getElementById(downPanelID);DownloadsPanel.showPanel();} else if (IsSearchBtn(overElt)) {searchBar.openSuggestionsPanel();//console.log('search click!');} else {PopElt = getPopupMenu(overElt);try {var Pos = getPopupPos(overElt);PopElt.openPopup(overElt, Pos, 0, 0, false, false, null);} catch (e) {PopElt = null;}}}function HidePopup() {try {if (overElt.localName == 'dropmarker')PopElt.parentNode.closePopup();else if (overElt.localName == 'menulist')PopElt.open = false;else if (IsDownloadBtn(overElt))DownloadsPanel.hidePanel();//else if (IsNewMenuBtn(overElt) || IsWidgetBtn(overElt))else if (PopElt && PopElt.hidePopup)PopElt.hidePopup();else if (PopElt.popupBoxObject)PopElt.popupBoxObject.hidePopup(); else if (IsSearchBtn(overElt)) searchBar.textbox.closePopup();} catch (e) {}HideTimer = null;overElt = PopElt = null;}function MouseOver(e) {if (!AlwaysPop && !document.hasFocus())return;var popNode, n = e.originalTarget;whitesInx = -1;//gsf：some,forEach,filter等数组遍历方法接受第二个参数，表作用域this，可不用call了if (n.hasAttribute('id') && whiteIDs.some(function(k,i,me){//for (let [i, k] in Iterator(whiteIDs)) {if (k.id == n.id) {overElt = n;whitesInx = i;PopElt = document.getElementById(k.popMemu);PopTimer = setTimeout(AutoPopup, nDelay);return true;}})) return;popNode = getPopupNode(e.originalTarget);if (!popNode || (popNode && popNode.disabled) || isBlackNode(popNode)) {MouseOut();return;}if (HideTimer) {window.clearTimeout(HideTimer);HideTimer = null;}try {if (IsAutoComplete(popNode)) return;for (var elt = popNode; elt != null; elt = elt.parentNode) {if (elt.localName == 'menupopup' ||    elt.localName == 'popup')return;}}catch (ex) {}if (PopElt && popNode == PopElt && PopElt != overElt)return;if (overElt && popNode != overElt)HidePopup();overElt = popNode;PopElt = null;PopTimer = setTimeout(AutoPopup, nDelay);}function MouseOut(e) {if (PopTimer) {window.clearTimeout(PopTimer);PopTimer = null;}if (!HideTimer && PopElt)HideTimer = window.setTimeout(HidePopup, 500);}function IsButton(elt) {try {return elt.localName == 'button' ||elt.localName == 'toolbarbutton';} catch (e) {return false;}}function IsMenuButton(elt) {return IsNewMenuBtn(elt) || IsDownloadBtn(elt) || IsWidgetBtn(elt)|| (IsButton(elt) && getPopupMenu(elt));}searchBar = BrowserSearch.searchBar;window.addEventListener('mouseover', MouseOver, false);})();