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Diffstat (limited to 'services/fxaccounts/FxAccountsProfile.jsm')
| -rw-r--r-- | services/fxaccounts/FxAccountsProfile.jsm | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/services/fxaccounts/FxAccountsProfile.jsm b/services/fxaccounts/FxAccountsProfile.jsm deleted file mode 100644 index b63cd64c1..000000000 --- a/services/fxaccounts/FxAccountsProfile.jsm +++ /dev/null @@ -1,191 +0,0 @@ -/* 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"; - -/** - * Firefox Accounts Profile helper. - * - * This class abstracts interaction with the profile server for an account. - * It will handle things like fetching profile data, listening for updates to - * the user's profile in open browser tabs, and cacheing/invalidating profile data. - */ - -this.EXPORTED_SYMBOLS = ["FxAccountsProfile"]; - -const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components; - -Cu.import("resource://gre/modules/XPCOMUtils.jsm"); -Cu.import("resource://gre/modules/Services.jsm"); -Cu.import("resource://gre/modules/FxAccountsCommon.js"); -Cu.import("resource://gre/modules/FxAccounts.jsm"); - -XPCOMUtils.defineLazyModuleGetter(this, "FxAccountsProfileClient", - "resource://gre/modules/FxAccountsProfileClient.jsm"); - -// Based off of deepEqual from Assert.jsm -function deepEqual(actual, expected) { - if (actual === expected) { - return true; - } else if (typeof actual != "object" && typeof expected != "object") { - return actual == expected; - } else { - return objEquiv(actual, expected); - } -} - -function isUndefinedOrNull(value) { - return value === null || value === undefined; -} - -function objEquiv(a, b) { - if (isUndefinedOrNull(a) || isUndefinedOrNull(b)) { - return false; - } - if (a.prototype !== b.prototype) { - return false; - } - let ka, kb, key, i; - try { - ka = Object.keys(a); - kb = Object.keys(b); - } catch (e) { - return false; - } - if (ka.length != kb.length) { - return false; - } - ka.sort(); - kb.sort(); - for (i = ka.length - 1; i >= 0; i--) { - key = ka[i]; - if (!deepEqual(a[key], b[key])) { - return false; - } - } - return true; -} - -function hasChanged(oldData, newData) { - return !deepEqual(oldData, newData); -} - -this.FxAccountsProfile = function (options = {}) { - this._cachedProfile = null; - this._cachedAt = 0; // when we saved the cached version. - this._currentFetchPromise = null; - this._isNotifying = false; // are we sending a notification? - this.fxa = options.fxa || fxAccounts; - this.client = options.profileClient || new FxAccountsProfileClient({ - fxa: this.fxa, - serverURL: options.profileServerUrl, - }); - - // An observer to invalidate our _cachedAt optimization. We use a weak-ref - // just incase this.tearDown isn't called in some cases. - Services.obs.addObserver(this, ON_PROFILE_CHANGE_NOTIFICATION, true); - // for testing - if (options.channel) { - this.channel = options.channel; - } -} - -this.FxAccountsProfile.prototype = { - // If we get subsequent requests for a profile within this period, don't bother - // making another request to determine if it is fresh or not. - PROFILE_FRESHNESS_THRESHOLD: 120000, // 2 minutes - - observe(subject, topic, data) { - // If we get a profile change notification from our webchannel it means - // the user has just changed their profile via the web, so we want to - // ignore our "freshness threshold" - if (topic == ON_PROFILE_CHANGE_NOTIFICATION && !this._isNotifying) { - log.debug("FxAccountsProfile observed profile change"); - this._cachedAt = 0; - } - }, - - tearDown: function () { - this.fxa = null; - this.client = null; - this._cachedProfile = null; - Services.obs.removeObserver(this, ON_PROFILE_CHANGE_NOTIFICATION); - }, - - _getCachedProfile: function () { - // The cached profile will end up back in the generic accountData - // once bug 1157529 is fixed. - return Promise.resolve(this._cachedProfile); - }, - - _notifyProfileChange: function (uid) { - this._isNotifying = true; - Services.obs.notifyObservers(null, ON_PROFILE_CHANGE_NOTIFICATION, uid); - this._isNotifying = false; - }, - - // Cache fetched data if it is different from what's in the cache. - // Send out a notification if it has changed so that UI can update. - _cacheProfile: function (profileData) { - if (!hasChanged(this._cachedProfile, profileData)) { - log.debug("fetched profile matches cached copy"); - return Promise.resolve(null); // indicates no change (but only tests care) - } - this._cachedProfile = profileData; - this._cachedAt = Date.now(); - return this.fxa.getSignedInUser() - .then(userData => { - log.debug("notifying profile changed for user ${uid}", userData); - this._notifyProfileChange(userData.uid); - return profileData; - }); - }, - - _fetchAndCacheProfile: function () { - if (!this._currentFetchPromise) { - this._currentFetchPromise = this.client.fetchProfile().then(profile => { - return this._cacheProfile(profile).then(() => { - return profile; - }); - }).then(profile => { - this._currentFetchPromise = null; - return profile; - }, err => { - this._currentFetchPromise = null; - throw err; - }); - } - return this._currentFetchPromise - }, - - // Returns cached data right away if available, then fetches the latest profile - // data in the background. After data is fetched a notification will be sent - // out if the profile has changed. - getProfile: function () { - return this._getCachedProfile() - .then(cachedProfile => { - if (cachedProfile) { - if (Date.now() > this._cachedAt + this.PROFILE_FRESHNESS_THRESHOLD) { - // Note that _fetchAndCacheProfile isn't returned, so continues - // in the background. - this._fetchAndCacheProfile().catch(err => { - log.error("Background refresh of profile failed", err); - }); - } else { - log.trace("not checking freshness of profile as it remains recent"); - } - return cachedProfile; - } - return this._fetchAndCacheProfile(); - }) - .then(profile => { - return profile; - }); - }, - - QueryInterface: XPCOMUtils.generateQI([ - Ci.nsIObserver, - Ci.nsISupportsWeakReference, - ]), -}; |