gecko/mobile/xul/chrome/content/TabsPopup.js
2012-05-21 12:12:37 +01:00

136 lines
3.8 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
var TabsPopup = {
init: function() {
Elements.tabs.addEventListener("TabOpen", this, true);
Elements.tabs.addEventListener("TabRemove", this, true);
this._updateTabsCount();
// Bind resizeHandler so we can pass it to addEventListener/removeEventListener.
this.resizeHandler = this.resizeHandler.bind(this);
},
get box() {
delete this.box;
return this.box = document.getElementById("tabs-popup-container");
},
get list() {
delete this.list;
return this.list = document.getElementById("tabs-popup-list");
},
get button() {
delete this.button;
return this.button = document.getElementById("tool-tabs");
},
get visible() {
return !this.box.hidden;
},
toggle: function toggle() {
if (this.visible)
this.hide();
else
this.show();
},
show: function show() {
while(this.list.firstChild)
this.list.removeChild(this.list.firstChild);
let tabs = Browser.tabs;
tabs.forEach(function(aTab) {
let item = document.createElement("richlistitem");
item.className = "tab-popup-item";
if (aTab.active)
item.classList.add("selected");
let browser = aTab.browser;
let icon = browser.mIconURL;
let caption = browser.contentTitle || browser.currentURI.spec;
if (browser.__SS_restore) {
/* if this is a zombie tab, pull the tab title/url out of session store data */
let entry = browser.__SS_data.entries[0];
caption = entry.title;
let pageURI = Services.io.newURI(entry.url, null, null);
try {
let iconURI = gFaviconService.getFaviconImageForPage(pageURI);
icon = iconURI.spec;
} catch(ex) { }
} else {
if (caption == "about:blank")
caption = browser.currentURI.spec;
if (!icon) {
let iconURI = gFaviconService.getFaviconImageForPage(browser.currentURI);
icon = iconURI.spec;
}
}
item.setAttribute("img", icon);
item.setAttribute("label", caption);
this.list.appendChild(item);
item.tab = aTab;
}, this)
// Set the box position.
this.box.hidden = false;
this.box.anchorTo(this.button, "after_end");
BrowserUI.pushPopup(this, [this.box, this.button]);
window.addEventListener("resize", this.resizeHandler, false);
},
hide: function hide() {
if (!this.box.hidden) {
this.box.hidden = true;
BrowserUI.popPopup(this);
window.removeEventListener("resize", this.resizeHandler, false);
}
},
closeTab: function(aTab) {
messageManager.addMessageListener("Browser:CanUnload:Return", this.closeTabReturn.bind(this));
},
closeTabReturn: function(aMessage) {
messageManager.removeMessageListener("Browser:CanUnload:Return", this.closeTabReturn.bind(this));
if (!aMessage.json.permit)
return;
let removedTab = Browser.getTabForBrowser(aMessage.target);
setTimeout(function(self) {
let items = self.list.childNodes;
let selected = Browser.selectedTab;
for (let i = 0; i < items.length; i++) {
if (items[i].tab == selected)
items[i].classList.add("selected");
else if (items[i].tab == removedTab)
self.list.removeChild(items[i]);
}
}, 0, this);
},
_updateTabsCount: function() {
let cmd = document.getElementById("cmd_showTabs");
cmd.setAttribute("label", Browser.tabs.length);
},
resizeHandler: function resizeHandler(aEvent) {
if (aEvent.target != window)
return;
if (!Util.isPortrait())
this.hide();
},
handleEvent: function handleEvent(aEvent) {
this._updateTabsCount();
}
};