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pentadactyl-pm/common/bootstrap.js

271 lines
9.1 KiB
JavaScript
Executable File

// Copyright (c) 2010-2011 by Kris Maglione <maglione.k@gmail.com>
//
// This work is licensed for reuse under an MIT license. Details are
// given in the LICENSE.txt file included with this file.
//
// See https://wiki.mozilla.org/Extension_Manager:Bootstrapped_Extensions
// for details.
const NAME = "bootstrap";
const global = this;
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cr = Components.results;
function module(uri) {
let obj = {};
Cu.import(uri, obj);
return obj;
}
const { AddonManager } = module("resource://gre/modules/AddonManager.jsm");
const { XPCOMUtils } = module("resource://gre/modules/XPCOMUtils.jsm");
const { Services } = module("resource://gre/modules/Services.jsm");
const resourceProto = Services.io.getProtocolHandler("resource")
.QueryInterface(Ci.nsIResProtocolHandler);
const categoryManager = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager);
const manager = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
const BOOTSTRAP_CONTRACT = "@dactyl.googlecode.com/base/bootstrap";
JSMLoader = JSMLoader || BOOTSTRAP_CONTRACT in Cc && Cc[BOOTSTRAP_CONTRACT].getService().wrappedJSObject.loader;
var JSMLoader = BOOTSTRAP_CONTRACT in Components.classes &&
Components.classes[BOOTSTRAP_CONTRACT].getService().wrappedJSObject.loader;
// Temporary migration code.
if (!JSMLoader && "@mozilla.org/fuel/application;1" in Components.classes)
JSMLoader = Components.classes["@mozilla.org/fuel/application;1"]
.getService(Components.interfaces.extIApplication)
.storage.get("dactyl.JSMLoader", null);
function reportError(e) {
dump("\ndactyl: bootstrap: " + e + "\n" + (e.stack || Error().stack) + "\n");
Cu.reportError(e);
}
function httpGet(url) {
let xmlhttp = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(Ci.nsIXMLHttpRequest);
xmlhttp.overrideMimeType("text/plain");
xmlhttp.open("GET", url, false);
xmlhttp.send(null);
return xmlhttp;
}
let initialized = false;
let addon = null;
let addonData = null;
let basePath = null;
let categories = [];
let components = {};
let resources = [];
let getURI = null;
function updateVersion() {
try {
function isDev(ver) /^hg|pre$/.test(ver);
if (typeof require === "undefined" || addon === addonData)
return;
require(global, "config");
require(global, "prefs");
config.lastVersion = localPrefs.get("lastVersion", null);
localPrefs.set("lastVersion", addon.version);
if (!config.lastVersion || isDev(config.lastVersion) != isDev(addon.version))
addon.applyBackgroundUpdates = AddonManager[isDev(addon.version) ? "AUTOUPDATE_DISABLE" : "AUTOUPDATE_DEFAULT"];
}
catch (e) {
reportError(e);
}
}
function startup(data, reason) {
dump("dactyl: bootstrap: startup " + reasonToString(reason) + "\n");
basePath = data.installPath;
if (!initialized) {
initialized = true;
dump("dactyl: bootstrap: init" + " " + data.id + "\n");
addonData = data;
addon = data;
AddonManager.getAddonByID(addon.id, function (a) {
addon = a;
updateVersion();
});
if (basePath.isDirectory())
getURI = function getURI(path) {
let uri = Services.io.newFileURI(basePath);
uri.path += path;
return Services.io.newFileURI(uri.QueryInterface(Ci.nsIFileURL).file);
};
else
getURI = function getURI(path)
Services.io.newURI("jar:" + Services.io.newFileURI(basePath).spec + "!/" + path, null, null);
try {
init();
}
catch (e) {
reportError(e);
}
}
}
function FactoryProxy(url, classID) {
this.url = url;
this.classID = Components.ID(classID);
}
FactoryProxy.prototype = {
QueryInterface: XPCOMUtils.generateQI(Ci.nsIFactory),
register: function () {
dump("dactyl: bootstrap: register: " + this.classID + " " + this.contractID + "\n");
JSMLoader.registerFactory(this);
},
get module() {
dump("dactyl: bootstrap: create module: " + this.contractID + "\n");
Object.defineProperty(this, "module", { value: {}, enumerable: true });
JSMLoader.load(this.url, this.module);
return this.module;
},
createInstance: function (iids) {
return let (factory = this.module.NSGetFactory(this.classID))
factory.createInstance.apply(factory, arguments);
}
}
function init() {
dump("dactyl: bootstrap: init\n");
let manifestURI = getURI("chrome.manifest");
let manifest = httpGet(manifestURI.spec)
.responseText
.replace(/^\s*|\s*$|#.*/g, "")
.replace(/^\s*\n/gm, "");
let suffix = "-";
let chars = "0123456789abcdefghijklmnopqrstuv";
for (let n = Date.now(); n; n = Math.round(n / chars.length))
suffix += chars[n % chars.length];
for each (let line in manifest.split("\n")) {
let fields = line.split(/\s+/);
switch(fields[0]) {
case "category":
categoryManager.addCategoryEntry(fields[1], fields[2], fields[3], false, true);
categories.push([fields[1], fields[2]]);
break;
case "component":
components[fields[1]] = new FactoryProxy(getURI(fields[2]).spec, fields[1]);
break;
case "contract":
components[fields[2]].contractID = fields[1];
break;
case "resource":
var hardSuffix = /^[^\/]*/.exec(fields[2])[0];
resources.push(fields[1], fields[1] + suffix);
resourceProto.setSubstitution(fields[1], getURI(fields[2]));
resourceProto.setSubstitution(fields[1] + suffix, getURI(fields[2]));
}
}
// Flush the cache if necessary, just to be paranoid
let pref = "extensions.dactyl.cacheFlushCheck";
let val = addon.version + "-" + hardSuffix;
if (!Services.prefs.prefHasUserValue(pref) || Services.prefs.getCharPref(pref) != val) {
Services.obs.notifyObservers(null, "startupcache-invalidate", "");
Services.prefs.setCharPref(pref, val);
}
try {
module("resource://dactyl-content/disable-acr.jsm").init(addon.id);
}
catch (e) {
reportError(e);
}
if (JSMLoader && JSMLoader.bump !== 4) // Temporary hack
Services.scriptloader.loadSubScript("resource://dactyl" + suffix + "/bootstrap.jsm",
Cu.import("resource://dactyl/bootstrap.jsm", global));
if (!JSMLoader || JSMLoader.bump !== 4)
Cu.import("resource://dactyl/bootstrap.jsm", global);
JSMLoader.bootstrap = this;
JSMLoader.load("resource://dactyl/bootstrap.jsm", global);
JSMLoader.init(suffix);
JSMLoader.load("base.jsm", global);
if (!(BOOTSTRAP_CONTRACT in Cc))
manager.registerFactory(Components.ID("{f541c8b0-fe26-4621-a30b-e77d21721fb5}"),
String("{f541c8b0-fe26-4621-a30b-e77d21721fb5}"),
BOOTSTRAP_CONTRACT, {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIFactory]),
instance: {
QueryInterface: XPCOMUtils.generateQI([]),
contractID: BOOTSTRAP_CONTRACT,
wrappedJSObject: {}
},
createInstance: function () this.instance
})
Cc[BOOTSTRAP_CONTRACT].getService().wrappedJSObject.loader = JSMLoader;
for each (let component in components)
component.register();
Services.obs.notifyObservers(null, "dactyl-rehash", null);
updateVersion();
require(global, "overlay");
}
function shutdown(data, reason) {
dump("dactyl: bootstrap: shutdown " + reasonToString(reason) + "\n");
if (reason != APP_SHUTDOWN) {
try {
module("resource://dactyl-content/disable-acr.jsm").cleanup();
}
catch (e) {
reportError(e);
}
if ([ADDON_UPGRADE, ADDON_DOWNGRADE, ADDON_UNINSTALL].indexOf(reason) >= 0)
Services.obs.notifyObservers(null, "dactyl-purge", null);
Services.obs.notifyObservers(null, "dactyl-cleanup", null);
Services.obs.notifyObservers(null, "dactyl-cleanup-modules", null);
JSMLoader.purge();
for each (let [category, entry] in categories)
categoryManager.deleteCategoryEntry(category, entry, false);
for each (let resource in resources)
resourceProto.setSubstitution(resource, null);
}
}
function reasonToString(reason) {
for each (let name in ["disable", "downgrade", "enable",
"install", "shutdown", "startup",
"uninstall", "upgrade"])
if (reason == global["ADDON_" + name.toUpperCase()] ||
reason == global["APP_" + name.toUpperCase()])
return name;
}
function install(data, reason) { dump("dactyl: bootstrap: install " + reasonToString(reason) + "\n"); }
function uninstall(data, reason) { dump("dactyl: bootstrap: uninstall " + reasonToString(reason) + "\n"); }
// vim: set fdm=marker sw=4 ts=4 et: