bootstrap.js

/* 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/. */
"use strict";

/* global Services:true, APP_SHUTDOWN, ADDON_UPGRADE */

const {Services} = Components.utils.import("resource://gre/modules/Services.jsm", {});
const {AddonManager} = Components.utils.import("resource://gre/modules/AddonManager.jsm", {});

function flush() {
 //Drop XUL/XBL/JAR/CSS/etc caches
 Services.obs.notifyObservers(null, "chrome-flush-caches", null);
}

function install() {}
function uninstall() {
 flush();
}
function startup(data) {
 // will unload itself
 let _g = {};
 Components.utils.import("chrome://dia-modules/content/glue.jsm", _g);

 if (AddonManager.addUpgradeListener && data.instanceID) {
  AddonManager.addUpgradeListener(data.instanceID, upgrade => {
   if (_g.canUnload()) {
    upgrade.install();
   }
   else {
    _g.unload("eventual-shutdown", upgrade);
   }
  });
 }
}
function shutdown(data, reason) {
 if (AddonManager.addUpgradeListener && data.instanceID) {
  try {
   AddonManager.removeUpgradeListener(data.instanceID);
  }
  catch (ex) {
   // oh well...
  }
 }

 if (reason === APP_SHUTDOWN) {
  // No need to cleanup; stuff will vanish anyway
  return;
 }
 let _g = {};
 Components.utils.import("chrome://dia-modules/content/glue.jsm", _g);
 _g.unload("shutdown", reason === ADDON_UPGRADE);
 Components.utils.unload("chrome://dia-modules/content/glue.jsm");
}