mirror of
https://github.com/gryf/pentadactyl-pm.git
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90 lines
3.6 KiB
JavaScript
90 lines
3.6 KiB
JavaScript
// Copyright (c) 2011 by Kris Maglione <maglione.k@gmail.com>
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//
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// This work is licensed for reuse under an MIT license. Details are
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// given in the LICENSE.txt file included with this file.
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"use strict";
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try {
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dump("=========== load bootstrap.jsm ===========\n");
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if (!JSMLoader || JSMLoader.bump != 1)
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var JSMLoader = {
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global: this,
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bump: 1,
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builtin: Components.utils.Sandbox(this),
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canonical: {},
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factories: [],
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globals: {},
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io: Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService),
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manager: Components.manager.QueryInterface(Components.interfaces.nsIComponentRegistrar),
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stale: {},
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suffix: "",
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getTarget: function getTarget(url) {
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let chan = this.io.newChannel(url, null, null);
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chan.cancel(Components.results.NS_BINDING_ABORTED);
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return chan.name;
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},
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load: function load(name, target) {
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let url = name;
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if (url.indexOf(":") === -1)
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url = "resource://dactyl" + this.suffix + "/" + url;
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let stale = this.stale[url];
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if (stale) {
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dump("JSMLoader: load " + name + " " + stale + "\n");
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dump("JSMLoader: load " + name + " " + this.getTarget(url) + "\n");
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delete this.stale[url];
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let global = this.globals[url];
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for each (let prop in Object.getOwnPropertyNames(global))
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try {
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if (!(prop in this.builtin) && ["JSMLoader", "set"].indexOf(prop) < 0 &&
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!global.__lookupGetter__(prop))
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global[prop] = undefined;
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}
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catch (e) {
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dump("Deleting property " + prop + " on " + url + ":\n " + e + "\n");
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Components.utils.reportError(e);
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}
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if (stale === this.getTarget(url))
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Components.classes["@mozilla.org/moz/jssubscript-loader;1"]
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.getService(Components.interfaces.mozIJSSubScriptLoader)
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.loadSubScript(url, global.global || global);
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}
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let global = Components.utils.import(url, target);
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if (name == "base.jsm") {
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global.JSMLoader = this;
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Components.utils.import(url, this.global);
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this.global.EXPORTED_SYMBOLS = global.EXPORTED_SYMBOLS;
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}
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return this.globals[url] = global;
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},
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cleanup: function unregister() {
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for each (let factory in this.factories.splice(0))
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this.manager.unregisterFactory(factory.classID, factory);
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},
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purge: function purge() {
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for (let [url, global] in Iterator(this.globals))
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this.stale[url] = this.getTarget(url);
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},
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registerFactory: function registerFactory(factory) {
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this.manager.registerFactory(factory.classID,
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String(factory.classID),
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factory.contractID,
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factory);
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this.factories.push(factory);
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}
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};
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Components.classes["@mozilla.org/fuel/application;1"]
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.getService(Components.interfaces.fuelIApplication)
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.storage.set("dactyl.JSMLoader", JSMLoader);
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JSMLoader.load("base.jsm", this);
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dump("exports: " + this.JSMLoader+" " +this.EXPORTED_SYMBOLS + "\n");
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}catch(e){dump(e+"\n"+e.stack);Components.utils.reportError(e)}
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