gecko-dev/xpcom/sample/nsSample.js

61 строка
2.1 KiB
JavaScript

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
/**
* We set up a sample component. The constructor is empty, all the interesting
* stuff goes in the prototype.
*/
function mySample() { }
mySample.prototype = {
/**
* .classID is required for generateNSGetFactory to work correctly.
* Make sure this CID matches the "component" in your .manifest file.
*/
classID: Components.ID("{dea98e50-1dd1-11b2-9344-8902b4805a2e}"),
/**
* .classDescription and .contractID are only used for
* backwards compatibility with Gecko 1.9.2 and
* XPCOMUtils.generateNSGetModule.
*/
classDescription: "nsSample: JS version", // any human-readable string
contractID: "@mozilla.org/jssample;1",
/**
* List all the interfaces your component supports.
* @note nsISupports is generated automatically; you don't need to list it.
*/
QueryInterface: XPCOMUtils.generateQI([Components.interfaces.nsISample]),
/*
* get and set are new Magic in JS1.5, borrowing the intent -- if not
* the exact syntax -- from the JS2 design. They define accessors for
* properties on the JS object, follow the expected rules for prototype
* delegation, and make a mean cup of coffee.
*/
get value() { return this.val; },
set value(newval) { return this.val = newval; },
writeValue: function (aPrefix) {
debug("mySample::writeValue => " + aPrefix + this.val + "\n");
},
poke: function (aValue) { this.val = aValue; },
val: "<default value>"
};
/**
* XPCOMUtils.generateNSGetFactory was introduced in Mozilla 2 (Firefox 4).
* XPCOMUtils.generateNSGetModule is for Mozilla 1.9.2 (Firefox 3.6).
*/
if (XPCOMUtils.generateNSGetFactory)
var NSGetFactory = XPCOMUtils.generateNSGetFactory([mySample]);
else
var NSGetModule = XPCOMUtils.generateNSGetModule([mySample]);