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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Weave.
*
* The Initial Developer of the Original Code is Mozilla.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dan Mills <thunder@mozilla.com>
* Atul Varma <atul@mozilla.com>
* Drew Willcoxon <adw@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
"use strict";
// For more information on the context in which this script is executed, see:
// https://developer.mozilla.org/en/Extensions/Bootstrapped_extensions
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cr = Components.results;
// Object containing information about the XPCOM harness service
// that manages our addon.
var gHarness;
var ios = Cc['@mozilla.org/network/io-service;1']
.getService(Ci.nsIIOService);
var manager = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
// Dynamically evaluate and initialize the XPCOM component in
// components/harness.js, which bootstraps our addon. (We want to keep
// components/harness.js around so that versions of Gecko that don't
// support rebootless addons can still work.)
function setupHarness(installPath, loadReason) {
var harnessJs = installPath.clone();
harnessJs.append("components");
harnessJs.append("harness.js");
var path = ios.newFileURI(harnessJs).spec;
var harness = {};
var loader = Cc["@mozilla.org/moz/jssubscript-loader;1"]
.getService(Ci.mozIJSSubScriptLoader);
loader.loadSubScript(path, harness);
var HarnessService = harness.buildHarnessService(installPath);
var factory = HarnessService.prototype._xpcom_factory;
var proto = HarnessService.prototype;
// We want to keep this factory around for the lifetime of
// the addon so legacy code with access to Components can
// access the addon if needed.
manager.registerFactory(proto.classID,
proto.classDescription,
proto.contractID,
factory);
var harnessService = factory.createInstance(null, Ci.nsISupports);
harnessService = harnessService.wrappedJSObject;
gHarness = {
service: harnessService,
classID: proto.classID,
contractID: proto.contractID,
factory: factory
};
if (loadReason == "startup")
// Simulate a startup event; the harness service will take care of
// waiting until the app is ready for the extension's code to run.
harnessService.observe(null, "profile-after-change", null);
else
harnessService.load(loadReason);
}
function reasonToString(reason) {
// If you change these names, change them in harness.js's lifeCycleObserver192
// too.
switch (reason) {
case ADDON_INSTALL:
return "install";
case ADDON_UNINSTALL:
return "uninstall";
case ADDON_ENABLE:
return "enable";
case ADDON_DISABLE:
return "disable";
case ADDON_UPGRADE:
return "upgrade";
case ADDON_DOWNGRADE:
return "downgrade";
// The startup and shutdown strings are also used outside of
// lifeCycleObserver192.
case APP_STARTUP:
return "startup";
case APP_SHUTDOWN:
return "shutdown";
}
return undefined;
}
function install(data, reason) {
// We shouldn't start up here; startup() will always be called when
// an extension should load, and install() sometimes gets called when
// an extension has been installed but is disabled.
}
function startup(data, reason) {
if (!gHarness)
setupHarness(data.installPath, reasonToString(reason));
}
function shutdown(data, reason) {
if (gHarness) {
var harness = gHarness;
gHarness = undefined;
harness.service.unload(reasonToString(reason));
manager.unregisterFactory(harness.classID, harness.factory);
}
}
function uninstall(data, reason) {
// We shouldn't shutdown here; shutdown() will always be called when
// an extension should shutdown, and uninstall() sometimes gets
// called when startup() has never been called before it.
}
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