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/* vim:set ts=2 sw=2 sts=2 et: */
/* 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/. */
'use strict';
module.metadata = {
'stability': 'unstable'
};
const { defer } = require("../lang/functional");
const { windows } = require('../window/utils');
const { Ci } = require('chrome');
function activateTab(tab, window) {
let gBrowser = getTabBrowserForTab(tab);
// normal case
if (gBrowser) {
gBrowser.selectedTab = tab;
}
// fennec ?
else if (window && window.BrowserApp) {
window.BrowserApp.selectTab(tab);
}
return null;
}
exports.activateTab = activateTab;
function getTabBrowser(window) {
return window.gBrowser;
}
exports.getTabBrowser = getTabBrowser;
function getTabContainer(window) {
return getTabBrowser(window).tabContainer;
}
exports.getTabContainer = getTabContainer;
function getTabs(window) {
// fennec
if (window.BrowserApp)
return window.BrowserApp.tabs;
// firefox - default
return Array.slice(getTabContainer(window).children);
}
exports.getTabs = getTabs;
function getActiveTab(window) {
return window.gBrowser.selectedTab;
}
exports.getActiveTab = getActiveTab;
function getOwnerWindow(tab) {
// normal case
if (tab.ownerDocument)
return tab.ownerDocument.defaultView;
// try fennec case
return getWindowHoldingTab(tab);
}
exports.getOwnerWindow = getOwnerWindow;
// fennec
function getWindowHoldingTab(rawTab) {
for each (let window in windows()) {
// this function may be called when not using fennec
if (!window.BrowserApp)
continue;
for each (let tab in window.BrowserApp.tabs) {
if (tab === rawTab)
return window;
}
}
return null;
}
function openTab(window, url, options) {
options = options || {};
// fennec?
if (window.BrowserApp) {
return window.BrowserApp.addTab(url, {
selected: options.inBackground ? false : true,
pinned: options.isPinned || false
});
}
return window.gBrowser.addTab(url);
};
exports.openTab = openTab;
function isTabOpen(tab) {
// try normal case then fennec case
return !!((tab.linkedBrowser) || getWindowHoldingTab(tab));
}
exports.isTabOpen = isTabOpen;
function closeTab(tab) {
let gBrowser = getTabBrowserForTab(tab);
// normal case?
if (gBrowser)
return gBrowser.removeTab(tab);
let window = getWindowHoldingTab(tab);
// fennec?
if (window && window.BrowserApp)
return window.BrowserApp.closeTab(tab);
return null;
}
exports.closeTab = closeTab;
function getURI(tab) {
if (tab.browser) // fennec
return tab.browser.currentURI.spec;
return tab.linkedBrowser.currentURI.spec;
}
exports.getURI = getURI;
function getTabBrowserForTab(tab) {
let outerWin = getOwnerWindow(tab);
if (outerWin)
return getOwnerWindow(tab).gBrowser;
return null;
}
exports.getTabBrowserForTab = getTabBrowserForTab;
function getBrowserForTab(tab) {
if (tab.browser) // fennec
return tab.browser;
return tab.linkedBrowser;
}
exports.getBrowserForTab = getBrowserForTab;
function getTabTitle(tab) {
return getBrowserForTab(tab).contentDocument.title || tab.label || "";
}
exports.getTabTitle = getTabTitle;
function setTabTitle(tab, title) {
title = String(title);
if (tab.browser)
tab.browser.contentDocument.title = title;
tab.label = String(title);
}
exports.setTabTitle = setTabTitle;
function getTabContentWindow(tab) {
return getBrowserForTab(tab).contentWindow;
}
exports.getTabContentWindow = getTabContentWindow;
function getTabForContentWindow(window) {
// Retrieve the topmost frame container. It can be either <xul:browser>,
// <xul:iframe/> or <html:iframe/>. But in our case, it should be xul:browser.
let browser = window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell)
.chromeEventHandler;
// Is null for toplevel documents
if (!browser)
return false;
// Retrieve the owner window, should be browser.xul one
let chromeWindow = browser.ownerDocument.defaultView;
// Ensure that it is top-level browser window.
// We need extra checks because of Mac hidden window that has a broken
// `gBrowser` global attribute.
if ('gBrowser' in chromeWindow && chromeWindow.gBrowser &&
'browsers' in chromeWindow.gBrowser) {
// Looks like we are on Firefox Desktop
// Then search for the position in tabbrowser in order to get the tab object
let browsers = chromeWindow.gBrowser.browsers;
let i = browsers.indexOf(browser);
if (i !== -1)
return chromeWindow.gBrowser.tabs[i];
return null;
}
else if ('BrowserApp' in chromeWindow) {
// Looks like we are on Firefox Mobile
return chromeWindow.BrowserApp.getTabForWindow(window)
}
return null;
}
exports.getTabForContentWindow = getTabForContentWindow;
function getTabURL(tab) {
if (tab.browser) // fennec
return String(tab.browser.currentURI.spec);
return String(getBrowserForTab(tab).currentURI.spec);
}
exports.getTabURL = getTabURL;
function setTabURL(tab, url) {
url = String(url);
if (tab.browser)
return tab.browser.loadURI(url);
return getBrowserForTab(tab).loadURI(url);
}
// "TabOpen" event is fired when it's still "about:blank" is loaded in the
// changing `location` property of the `contentDocument` has no effect since
// seems to be either ignored or overridden by internal listener, there for
// location change is enqueued for the next turn of event loop.
exports.setTabURL = defer(setTabURL);
function getTabContentType(tab) {
return getBrowserForTab(tab).contentDocument.contentType;
}
exports.getTabContentType = getTabContentType;
function getSelectedTab(window) {
if (window.BrowserApp) // fennec?
return window.BrowserApp.selectedTab;
if (window.gBrowser)
return window.gBrowser.selectedTab;
return null;
}
exports.getSelectedTab = getSelectedTab;
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