location.href.startsWith('chrome://browser/content/browser.x') && (function () {
if (window.BMMultiColumn) {
window.BMMultiColumn.destroy();
delete window.BMMultiColumn;
}
var BMMultiColumn = {
cachedMenus: [],
init: function () {
$('PlacesToolbarItems').addEventListener('popupshowing', this, false);
var pop = $('BMB_bookmarksPopup');
if (pop) {
pop.addEventListener('popupshowing', this, false);
pop.addEventListener('click', this, false);
}
},
destroy: function () {
$('PlacesToolbarItems').removeEventListener('popupshowing', this, false);
var pop = $('BMB_bookmarksPopup');
if (pop) {
pop.removeEventListener('popupshowing', this, false);
pop.removeEventListener('click', this, false);
}
var i = 0;
for (i = 0; i < this.cachedMenus.length; i++) {
var menu = this.cachedMenus;
if (menu && menu._x_inited) {
menu._x_scrollbox.width = '';
if( menu._scrollBox && menu._scrollBox.style){
menu._scrollBox.style.maxHeight = "";
}
menu.style.maxWidth = "";
var container = menu._x_box;
if(container){
container.style.minHeight = "";
container.style.height = "";
container.style.display = "";
container.style.flexFlow = "";
container.style.overflow = "";
}
delete menu._x_scrollbox;
delete menu._x_inited;
delete menu._x_box;
}
}
this.cachedMenus = [];
},
handleEvent: function (event) {
var menupopup;
if (event.target.tagName == 'menu') {
menupopup = event.target.menupopup;
} else if (event.target.tagName == 'menupopup') {
menupopup = event.target;
} else return;
if (!menupopup) return;
//没有初始化或换过位置,重新设置属性
if (!menupopup.firstChild) return;
if (!menupopup._x_inited || !menupopup._x_scrollbox.scrollWidth) {
var scrollbox = menupopup.shadowRoot.querySelector('[part=popupbox]');
var box = scrollbox.shadowRoot.querySelector('[part=scrollbox]');
if (box) {
menupopup._x_box = box;
menupopup._x_scrollbox = scrollbox;
if (!menupopup._x_inited) {
menupopup._x_inited = true;
this.cachedMenus.push(menupopup);
}
}
var container = menupopup._x_box;
if(container){
container.style.minHeight = "21px";
container.style.height = "auto";
container.style.display = "inline-flex";
container.style.flexFlow = "column wrap";
//container.style.overflow = "auto";
container.style.overflow = "-moz-hidden-unscrollable";
menupopup._scrollBox.style.maxHeight = "calc(100vh - 129px)";
}
menupopup.style.maxWidth = "calc(100vw - 20px)";
}
if (menupopup._x_inited) {
if (!(menupopup._x_scrollbox.clientWidth == menupopup._x_box.scrollWidth)) {
menupopup._x_scrollbox.width = menupopup._x_box.scrollWidth;
}
//弹出菜单点击bug,要计算两次
if (event.type == "click") {
if (!(menupopup._x_scrollbox.clientWidth == menupopup._x_box.scrollWidth)) {
menupopup._x_scrollbox.width = menupopup._x_box.scrollWidth;
}
}
//如果菜单数量或者文字宽度发生变化,可能会多出空区域,重新计算下
var menuitem = menupopup.lastChild;
while (menuitem) {
if (!menuitem.style.maxWidth) {
menuitem.style.maxWidth = "300px";
menuitem.style.minWidth = "100px";
}
menuitem = menuitem.previousSibling;
}
var lastmenu = menupopup.lastChild;
while (lastmenu) {
if (lastmenu.scrollWidth >= 90) break;
lastmenu = lastmenu.previousSibling;
}
if (lastmenu && lastmenu.scrollWidth >= 90) {
var pos1 = lastmenu.x - 0 + lastmenu.clientWidth;
var pos2 = menupopup._x_box.x - 0 + menupopup._x_box.clientWidth;
if (pos2 - pos1 > 30) {
menupopup._x_scrollbox.width = "";
menupopup._x_scrollbox.width = menupopup._x_box.scrollWidth;
}
}
}
}
}
BMMultiColumn.init();
window.BMMultiColumn = BMMultiColumn;
function $(id) {
return document.getElementById(id);
}
})();
@
lonely_8 拜托了!