зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
2.9 KiB
JavaScript
92 строки
2.9 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 XPI_CONTENT_TYPE = "application/x-xpinstall";
|
|
const MSG_INSTALL_ADDON = "WebInstallerInstallAddonFromWebpage";
|
|
|
|
ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
|
|
ChromeUtils.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(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 install = {
|
|
uri: uri.spec,
|
|
hash: null,
|
|
name: null,
|
|
icon: 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.ownerGlobal.frameElement;
|
|
|
|
if (element) {
|
|
let listener = Cc["@mozilla.org/addons/integration;1"].getService();
|
|
listener.wrappedJSObject.receiveMessage({
|
|
name: MSG_INSTALL_ADDON,
|
|
target: element,
|
|
data: install
|
|
});
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Fall back to sending through the message manager
|
|
let messageManager = window.docShell.messageManager;
|
|
|
|
messageManager.sendAsyncMessage(MSG_INSTALL_ADDON, install);
|
|
},
|
|
|
|
classID: Components.ID("{7beb3ba8-6ec3-41b4-b67c-da89b8518922}"),
|
|
QueryInterface: ChromeUtils.generateQI([Ci.nsIContentHandler]),
|
|
|
|
log(aMsg) {
|
|
let msg = "amContentHandler.js: " + (aMsg.join ? aMsg.join("") : aMsg);
|
|
Services.console.logStringMessage(msg);
|
|
dump(msg + "\n");
|
|
}
|
|
};
|
|
|
|
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([amContentHandler]);
|