gecko-dev/toolkit/mozapps/extensions/amContentHandler.js
Dave Townsend e2b946adfc Bug 1226386: Remove functions names where possible. r=rhelmer
We used to need explicit names for functions to make stack traces display
properly. The JS engine is smarter now so doesn't need them and they just
make the code messy and redundant.

--HG--
extra : commitid : 4FEIiQYhRQu
extra : rebase_source : 26689d5417f592d0f327f32076245cb4f154229a
2015-11-19 16:35:41 -08:00

101 lines
3.4 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";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
const XPI_CONTENT_TYPE = "application/x-xpinstall";
const MSG_INSTALL_ADDONS = "WebInstallerInstallAddonsFromWebpage";
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
function amContentHandler() {
}
amContentHandler.prototype = {
/**
* Handles a new request for an application/x-xpinstall file.
*
* @param aMimetype
* The mimetype of the file
* @param aContext
* The context passed to nsIChannel.asyncOpen
* @param aRequest
* The nsIRequest dealing with the content
*/
handleContent: function(aMimetype, aContext, aRequest) {
if (aMimetype != XPI_CONTENT_TYPE)
throw Cr.NS_ERROR_WONT_HANDLE_CONTENT;
if (!(aRequest instanceof Ci.nsIChannel))
throw Cr.NS_ERROR_WONT_HANDLE_CONTENT;
let uri = aRequest.URI;
let window = null;
let callbacks = aRequest.notificationCallbacks ?
aRequest.notificationCallbacks :
aRequest.loadGroup.notificationCallbacks;
if (callbacks)
window = callbacks.getInterface(Ci.nsIDOMWindow);
aRequest.cancel(Cr.NS_BINDING_ABORTED);
let installs = {
uris: [uri.spec],
hashes: [null],
names: [null],
icons: [null],
mimetype: XPI_CONTENT_TYPE,
triggeringPrincipal: aRequest.loadInfo.triggeringPrincipal,
callbackID: -1
};
if (Services.appinfo.processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT) {
// When running in the main process this might be a frame inside an
// in-content UI page, walk up to find the first frame element in a chrome
// privileged document
let element = window.frameElement;
let ssm = Services.scriptSecurityManager;
while (element && !ssm.isSystemPrincipal(element.ownerDocument.nodePrincipal))
element = element.ownerDocument.defaultView.frameElement;
if (element) {
let listener = Cc["@mozilla.org/addons/integration;1"].
getService(Ci.nsIMessageListener);
listener.wrappedJSObject.receiveMessage({
name: MSG_INSTALL_ADDONS,
target: element,
data: installs,
});
return;
}
}
// Fall back to sending through the message manager
let messageManager = window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDocShell)
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIContentFrameMessageManager);
messageManager.sendAsyncMessage(MSG_INSTALL_ADDONS, installs);
},
classID: Components.ID("{7beb3ba8-6ec3-41b4-b67c-da89b8518922}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentHandler]),
log : function(aMsg) {
let msg = "amContentHandler.js: " + (aMsg.join ? aMsg.join("") : aMsg);
Cc["@mozilla.org/consoleservice;1"].getService(Ci.nsIConsoleService).
logStringMessage(msg);
dump(msg + "\n");
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([amContentHandler]);