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
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: 
michael@0: Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: Components.utils.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: function debug(msg) {
michael@0:   //dump("B2GAboutRedirector: " + msg + "\n");
michael@0: }
michael@0: 
michael@0: function netErrorURL() {
michael@0:   let uri = "app://system.gaiamobile.org/net_error.html";
michael@0:   try {
michael@0:     uri = Services.prefs.getCharPref("b2g.neterror.url");
michael@0:   } catch(e) {}
michael@0:   return uri;
michael@0: }
michael@0: 
michael@0: let modules = {
michael@0:   certerror: {
michael@0:     uri: "chrome://b2g/content/aboutCertError.xhtml",
michael@0:     privileged: false,
michael@0:     hide: true
michael@0:   },
michael@0:   neterror: {
michael@0:     uri: netErrorURL(),
michael@0:     privileged: false,
michael@0:     hide: true
michael@0:   }
michael@0: };
michael@0: 
michael@0: function B2GAboutRedirector() {}
michael@0: B2GAboutRedirector.prototype = {
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsIAboutModule]),
michael@0:   classID: Components.ID("{920400b1-cf8f-4760-a9c4-441417b15134}"),
michael@0: 
michael@0:   _getModuleInfo: function (aURI) {
michael@0:     let moduleName = aURI.path.replace(/[?#].*/, "").toLowerCase();
michael@0:     return modules[moduleName];
michael@0:   },
michael@0: 
michael@0:   // nsIAboutModule
michael@0:   getURIFlags: function(aURI) {
michael@0:     let flags;
michael@0:     let moduleInfo = this._getModuleInfo(aURI);
michael@0:     if (moduleInfo.hide)
michael@0:       flags = Ci.nsIAboutModule.HIDE_FROM_ABOUTABOUT;
michael@0: 
michael@0:     return flags | Ci.nsIAboutModule.ALLOW_SCRIPT;
michael@0:   },
michael@0: 
michael@0:   newChannel: function(aURI) {
michael@0:     let moduleInfo = this._getModuleInfo(aURI);
michael@0: 
michael@0:     var ios = Cc["@mozilla.org/network/io-service;1"].
michael@0:               getService(Ci.nsIIOService);
michael@0: 
michael@0:     var channel = ios.newChannel(moduleInfo.uri, null, null);
michael@0: 
michael@0:     if (!moduleInfo.privileged) {
michael@0:       // Setting the owner to null means that we'll go through the normal
michael@0:       // path in GetChannelPrincipal and create a codebase principal based
michael@0:       // on the channel's originalURI
michael@0:       channel.owner = null;
michael@0:     }
michael@0: 
michael@0:     channel.originalURI = aURI;
michael@0: 
michael@0:     return channel;
michael@0:   }
michael@0: };
michael@0: 
michael@0: this.NSGetFactory = XPCOMUtils.generateNSGetFactory([B2GAboutRedirector]);