gecko-dev/dom/browser-element/BrowserElementChild.js

57 lines
1.5 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/. */
"use strict";
let { classes: Cc, interfaces: Ci, results: Cr, utils: Cu } = Components;
Cu.import("resource://gre/modules/Services.jsm");
function debug(msg) {
//dump("BrowserElementChild - " + msg + "\n");
}
// NB: this must happen before we process any messages from
// mozbrowser API clients.
docShell.isActive = true;
function parentDocShell(docshell) {
if (!docshell) {
return null;
}
let treeitem = docshell.QueryInterface(Ci.nsIDocShellTreeItem);
return treeitem.parent ? treeitem.parent.QueryInterface(Ci.nsIDocShell) : null;
}
function isTopBrowserElement(docShell) {
while (docShell) {
docShell = parentDocShell(docShell);
if (docShell && docShell.isBrowserOrApp) {
return false;
}
}
return true;
}
if (!('BrowserElementIsPreloaded' in this)) {
if (isTopBrowserElement(docShell) &&
Services.prefs.getBoolPref("dom.mozInputMethod.enabled")) {
try {
Services.scriptloader.loadSubScript("chrome://global/content/forms.js");
} catch (e) {
}
}
Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementPanning.js");
ContentPanning.init();
Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementChildPreload.js");
} else {
ContentPanning.init();
}
var BrowserElementIsReady = true;
sendAsyncMessage('browser-element-api:call', { 'msg_name': 'hello' });