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65 lines
2.4 KiB
JavaScript
65 lines
2.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Handles startup in the parent process.
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*/
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"use strict";
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const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "FormAutofill",
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"resource://gre/modules/FormAutofill.jsm");
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/**
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* Handles startup in the parent process.
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*/
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function FormAutofillStartup() {
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}
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FormAutofillStartup.prototype = {
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classID: Components.ID("{51c95b3d-7431-467b-8d50-383f158ce9e5}"),
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QueryInterface: XPCOMUtils.generateQI([
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Ci.nsIFrameMessageListener,
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Ci.nsIObserver,
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Ci.nsISupportsWeakReference,
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]),
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// nsIObserver
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observe: function (aSubject, aTopic, aData) {
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// This method is called by the "profile-after-change" category on startup,
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// which is called before any web page loads. At this time, we need to
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// register a global message listener in the parent process preemptively,
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// because we can receive requests from child processes at any time. For
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// performance reasons, we use this object as a message listener, so that we
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// don't have to load the FormAutoFill module at startup.
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let globalMM = Cc["@mozilla.org/globalmessagemanager;1"]
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.getService(Ci.nsIMessageListenerManager);
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globalMM.addMessageListener("FormAutofill:RequestAutocomplete", this);
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},
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// nsIFrameMessageListener
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receiveMessage: function (aMessage) {
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// Process the "FormAutofill:RequestAutocomplete" message. Any exception
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// raised in the parent process is caught and serialized into the reply
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// message that is sent to the requesting child process.
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FormAutofill.processRequestAutocomplete(aMessage.data)
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.catch(ex => { exception: ex })
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.then(result => {
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// The browser message manager in the parent will send the reply to the
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// associated frame message manager in the child.
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let browserMM = aMessage.target.messageManager;
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browserMM.sendAsyncMessage("FormAutofill:RequestAutocompleteResult",
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result);
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})
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.catch(Cu.reportError);
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},
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([FormAutofillStartup]);
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