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/* 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/. */
/*
* Handles startup in the parent process.
*/
"use strict";
const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "FormAutofill",
"resource://gre/modules/FormAutofill.jsm");
/**
* Handles startup in the parent process.
*/
function FormAutofillStartup() {
}
FormAutofillStartup.prototype = {
classID: Components.ID("{51c95b3d-7431-467b-8d50-383f158ce9e5}"),
QueryInterface: XPCOMUtils.generateQI([
Ci.nsIFrameMessageListener,
Ci.nsIObserver,
Ci.nsISupportsWeakReference,
]),
// nsIObserver
observe: function (aSubject, aTopic, aData) {
// This method is called by the "profile-after-change" category on startup,
// which is called before any web page loads. At this time, we need to
// register a global message listener in the parent process preemptively,
// because we can receive requests from child processes at any time. For
// performance reasons, we use this object as a message listener, so that we
// don't have to load the FormAutoFill module at startup.
let globalMM = Cc["@mozilla.org/globalmessagemanager;1"]
.getService(Ci.nsIMessageListenerManager);
globalMM.addMessageListener("FormAutofill:RequestAutocomplete", this);
},
// nsIFrameMessageListener
receiveMessage: function (aMessage) {
// Process the "FormAutofill:RequestAutocomplete" message. Any exception
// raised in the parent process is caught and serialized into the reply
// message that is sent to the requesting child process.
FormAutofill.processRequestAutocomplete(aMessage.data)
.catch(ex => { return { exception: ex } })
.then(result => {
// The browser message manager in the parent will send the reply to the
// associated frame message manager in the child.
let browserMM = aMessage.target.messageManager;
browserMM.sendAsyncMessage("FormAutofill:RequestAutocompleteResult",
result);
})
.catch(Cu.reportError);
},
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([FormAutofillStartup]);
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