gecko-dev/toolkit/modules/AddonWatcher.jsm

94 строки
2.9 KiB
JavaScript

// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
/* 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";
this.EXPORTED_SYMBOLS = ["AddonWatcher"];
const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Preferences",
"resource://gre/modules/Preferences.jsm");
let AddonWatcher = {
_lastAddonTime: {},
_timer: Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer),
_callback: null,
_interval: 1500,
_ignoreList: null,
init: function(callback) {
if (!callback) {
return;
}
if (this._callback) {
return;
}
this._interval = Preferences.get("browser.addon-watch.interval", 15000);
if (this._interval == -1) {
return;
}
this._callback = callback;
try {
this._ignoreList = new Set(JSON.parse(Preferences.get("browser.addon-watch.ignore", null)));
} catch (ex) {
// probably some malformed JSON, ignore and carry on
this._ignoreList = new Set();
}
this._timer.initWithCallback(this._checkAddons.bind(this), this._interval, Ci.nsITimer.TYPE_REPEATING_SLACK);
},
uninit: function() {
if (this._timer) {
this._timer.cancel();
this._timer = null;
}
},
_checkAddons: function() {
let compartmentInfo = Cc["@mozilla.org/compartment-info;1"]
.getService(Ci.nsICompartmentInfo);
let compartments = compartmentInfo.getCompartments();
let count = compartments.length;
let addons = {};
for (let i = 0; i < count; i++) {
let compartment = compartments.queryElementAt(i, Ci.nsICompartment);
if (compartment.addonId) {
if (addons[compartment.addonId]) {
addons[compartment.addonId] += compartment.time;
} else {
addons[compartment.addonId] = compartment.time;
}
}
}
let limit = this._interval * Preferences.get("browser.addon-watch.percentage-limit", 75) * 10;
for (let addonId in addons) {
if (!this._ignoreList.has(addonId)) {
if (this._lastAddonTime[addonId] && ((addons[addonId] - this._lastAddonTime[addonId]) > limit)) {
this._callback(addonId);
}
this._lastAddonTime[addonId] = addons[addonId];
}
}
},
ignoreAddonForSession: function(addonid) {
this._ignoreList.add(addonid);
},
ignoreAddonPermanently: function(addonid) {
this._ignoreList.add(addonid);
try {
let ignoreList = JSON.parse(Preferences.get("browser.addon-watch.ignore", "[]"))
if (!ignoreList.includes(addonid)) {
ignoreList.push(addonid);
Preferences.set("browser.addon-watch.ignore", JSON.stringify(ignoreList));
}
} catch (ex) {
Preferences.set("browser.addon-watch.ignore", JSON.stringify([addonid]));
}
}
};