michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: let { classes: Cc, interfaces: Ci, results: Cr, utils: Cu }  = Components;
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: function debug(msg) {
michael@0:   //dump("BrowserElementChild - " + msg + "\n");
michael@0: }
michael@0: 
michael@0: // NB: this must happen before we process any messages from
michael@0: // mozbrowser API clients.
michael@0: docShell.isActive = true;
michael@0: 
michael@0: function parentDocShell(docshell) {
michael@0:   if (!docshell) {
michael@0:     return null;
michael@0:   }
michael@0:   let treeitem = docshell.QueryInterface(Ci.nsIDocShellTreeItem);
michael@0:   return treeitem.parent ? treeitem.parent.QueryInterface(Ci.nsIDocShell) : null;
michael@0: }
michael@0: 
michael@0: function isTopBrowserElement(docShell) {
michael@0:   while (docShell) {
michael@0:     docShell = parentDocShell(docShell);
michael@0:     if (docShell && docShell.isBrowserOrApp) {
michael@0:       return false;
michael@0:     }
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: if (!('BrowserElementIsPreloaded' in this)) {
michael@0:   if (isTopBrowserElement(docShell) &&
michael@0:       Services.prefs.getBoolPref("dom.mozInputMethod.enabled")) {
michael@0:     try {
michael@0:       Services.scriptloader.loadSubScript("chrome://global/content/forms.js");
michael@0:     } catch (e) {
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementPanning.js");
michael@0:   ContentPanning.init();
michael@0: 
michael@0:   Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementChildPreload.js");
michael@0: } else {
michael@0:   ContentPanning.init();
michael@0: }
michael@0: 
michael@0: var BrowserElementIsReady = true;
michael@0: 
michael@0: let infos = sendSyncMessage('browser-element-api:call',
michael@0:                             { 'msg_name': 'hello' })[0];
michael@0: docShell.QueryInterface(Ci.nsIDocShellTreeItem).name = infos.name;
michael@0: docShell.setFullscreenAllowed(infos.fullscreenAllowed);