gecko/b2g/components/B2GAboutRedirector.js

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