зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
3.6 KiB
JavaScript
116 строки
3.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "AddonManager",
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"resource://gre/modules/AddonManager.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "AddonRepository",
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"resource://gre/modules/AddonRepository.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "OS", "resource://gre/modules/osfile.jsm");
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function getPref(func, preference, defaultValue) {
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try {
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return Services.prefs[func](preference);
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}
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catch (e) {}
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return defaultValue;
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}
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// -----------------------------------------------------------------------
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// Add-on auto-update management service
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// -----------------------------------------------------------------------
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const PREF_ADDON_UPDATE_ENABLED = "extensions.autoupdate.enabled";
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var gNeedsRestart = false;
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function AddonUpdateService() {}
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AddonUpdateService.prototype = {
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classDescription: "Add-on auto-update management",
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classID: Components.ID("{93c8824c-9b87-45ae-bc90-5b82a1e4d877}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback]),
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notify: function aus_notify(aTimer) {
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if (aTimer && !getPref("getBoolPref", PREF_ADDON_UPDATE_ENABLED, true))
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return;
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// If we already auto-upgraded and installed new versions, ignore this check
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if (gNeedsRestart)
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return;
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Services.io.offline = false;
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// Assume we are doing a periodic update check
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let reason = AddonManager.UPDATE_WHEN_PERIODIC_UPDATE;
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if (!aTimer)
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reason = AddonManager.UPDATE_WHEN_USER_REQUESTED;
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AddonManager.getAddonsByTypes(null, function(aAddonList) {
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aAddonList.forEach(function(aAddon) {
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if (aAddon.permissions & AddonManager.PERM_CAN_UPGRADE) {
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let data = Cc["@mozilla.org/supports-string;1"].createInstance(Ci.nsISupportsString);
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data.data = JSON.stringify({ id: aAddon.id, name: aAddon.name });
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Services.obs.notifyObservers(data, "addon-update-started", null);
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let listener = new UpdateCheckListener();
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aAddon.findUpdates(listener, reason);
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}
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});
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});
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}
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};
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// -----------------------------------------------------------------------
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// Add-on update listener. Starts a download for any add-on with a viable
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// update waiting
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// -----------------------------------------------------------------------
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function UpdateCheckListener() {
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this._status = null;
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this._version = null;
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}
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UpdateCheckListener.prototype = {
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onCompatibilityUpdateAvailable: function(aAddon) {
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this._status = "compatibility";
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},
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onUpdateAvailable: function(aAddon, aInstall) {
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this._status = "update";
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this._version = aInstall.version;
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aInstall.install();
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},
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onNoUpdateAvailable: function(aAddon) {
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if (!this._status)
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this._status = "no-update";
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},
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onUpdateFinished: function(aAddon, aError) {
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let data = Cc["@mozilla.org/supports-string;1"].createInstance(Ci.nsISupportsString);
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if (this._version)
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data.data = JSON.stringify({ id: aAddon.id, name: aAddon.name, version: this._version });
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else
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data.data = JSON.stringify({ id: aAddon.id, name: aAddon.name });
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if (aError)
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this._status = "error";
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Services.obs.notifyObservers(data, "addon-update-ended", this._status);
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}
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([AddonUpdateService]);
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