diff options
Diffstat (limited to '')
-rw-r--r-- | browser/components/firefoxview/firefox-view-tabs-setup-manager.sys.mjs | 604 |
1 files changed, 604 insertions, 0 deletions
diff --git a/browser/components/firefoxview/firefox-view-tabs-setup-manager.sys.mjs b/browser/components/firefoxview/firefox-view-tabs-setup-manager.sys.mjs new file mode 100644 index 0000000000..4b925b758b --- /dev/null +++ b/browser/components/firefoxview/firefox-view-tabs-setup-manager.sys.mjs @@ -0,0 +1,604 @@ +/* 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/. */ + +/** + * This module exports the TabsSetupFlowManager singleton, which manages the state and + * diverse inputs which drive the Firefox View synced tabs setup flow + */ + +import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + Log: "resource://gre/modules/Log.sys.mjs", +}); + +XPCOMUtils.defineLazyModuleGetters(lazy, { + UIState: "resource://services-sync/UIState.jsm", + SyncedTabs: "resource://services-sync/SyncedTabs.jsm", + Weave: "resource://services-sync/main.js", +}); + +XPCOMUtils.defineLazyGetter(lazy, "syncUtils", () => { + return ChromeUtils.import("resource://services-sync/util.js").Utils; +}); + +XPCOMUtils.defineLazyGetter(lazy, "fxAccounts", () => { + return ChromeUtils.import( + "resource://gre/modules/FxAccounts.jsm" + ).getFxAccountsSingleton(); +}); + +XPCOMUtils.defineLazyServiceGetter( + lazy, + "gNetworkLinkService", + "@mozilla.org/network/network-link-service;1", + "nsINetworkLinkService" +); + +const SYNC_TABS_PREF = "services.sync.engine.tabs"; +const TOPIC_TABS_CHANGED = "services.sync.tabs.changed"; +const MOBILE_PROMO_DISMISSED_PREF = + "browser.tabs.firefox-view.mobilePromo.dismissed"; +const LOGGING_PREF = "browser.tabs.firefox-view.logLevel"; +const TOPIC_SETUPSTATE_CHANGED = "firefox-view.setupstate.changed"; +const TOPIC_DEVICELIST_UPDATED = "fxaccounts:devicelist_updated"; +const NETWORK_STATUS_CHANGED = "network:offline-status-changed"; +const SYNC_SERVICE_ERROR = "weave:service:sync:error"; +const FXA_ENABLED = "identity.fxaccounts.enabled"; +const FXA_DEVICE_CONNECTED = "fxaccounts:device_connected"; +const FXA_DEVICE_DISCONNECTED = "fxaccounts:device_disconnected"; +const SYNC_SERVICE_FINISHED = "weave:service:sync:finish"; +const PRIMARY_PASSWORD_UNLOCKED = "passwordmgr-crypto-login"; +const TAB_PICKUP_OPEN_STATE_PREF = + "browser.tabs.firefox-view.ui-state.tab-pickup.open"; + +function openTabInWindow(window, url) { + const { + switchToTabHavingURI, + } = window.docShell.chromeEventHandler.ownerGlobal; + switchToTabHavingURI(url, true, {}); +} + +export const TabsSetupFlowManager = new (class { + constructor() { + this.QueryInterface = ChromeUtils.generateQI(["nsIObserver"]); + + this.setupState = new Map(); + this.resetInternalState(); + this._currentSetupStateName = ""; + this.networkIsOnline = + lazy.gNetworkLinkService.linkStatusKnown && + lazy.gNetworkLinkService.isLinkUp; + this.syncIsWorking = true; + this.syncIsConnected = lazy.UIState.get().syncEnabled; + this.didFxaTabOpen = false; + + this.registerSetupState({ + uiStateIndex: 0, + name: "error-state", + exitConditions: () => { + const fxaStatus = lazy.UIState.get().status; + return ( + this.networkIsOnline && + (this.syncIsWorking || this.syncHasWorked) && + !Services.prefs.prefIsLocked(FXA_ENABLED) && + // it's an error for sync to not be connected if we are signed-in, + // or for sync to be connected if the FxA status is "login_failed", + // which can happen if a user updates their password on another device + ((!this.syncIsConnected && + fxaStatus !== lazy.UIState.STATUS_SIGNED_IN) || + (this.syncIsConnected && + fxaStatus !== lazy.UIState.STATUS_LOGIN_FAILED)) && + // We treat a locked primary password as an error if we are signed-in. + // If the user dismisses the prompt to unlock, they can use the "Try again" button to prompt again + (!this.isPrimaryPasswordLocked || !this.fxaSignedIn) + ); + }, + }); + this.registerSetupState({ + uiStateIndex: 1, + name: "not-signed-in", + exitConditions: () => { + return this.fxaSignedIn; + }, + }); + this.registerSetupState({ + uiStateIndex: 2, + name: "connect-secondary-device", + exitConditions: () => { + return this.secondaryDeviceConnected; + }, + }); + this.registerSetupState({ + uiStateIndex: 3, + name: "disabled-tab-sync", + exitConditions: () => { + return this.syncTabsPrefEnabled; + }, + }); + this.registerSetupState({ + uiStateIndex: 4, + name: "synced-tabs-loaded", + exitConditions: () => { + // This is the end state + return false; + }, + }); + + Services.obs.addObserver(this, lazy.UIState.ON_UPDATE); + Services.obs.addObserver(this, TOPIC_DEVICELIST_UPDATED); + Services.obs.addObserver(this, NETWORK_STATUS_CHANGED); + Services.obs.addObserver(this, SYNC_SERVICE_ERROR); + Services.obs.addObserver(this, SYNC_SERVICE_FINISHED); + Services.obs.addObserver(this, TOPIC_TABS_CHANGED); + Services.obs.addObserver(this, PRIMARY_PASSWORD_UNLOCKED); + Services.obs.addObserver(this, FXA_DEVICE_CONNECTED); + Services.obs.addObserver(this, FXA_DEVICE_DISCONNECTED); + + // this.syncTabsPrefEnabled will track the value of the tabs pref + XPCOMUtils.defineLazyPreferenceGetter( + this, + "syncTabsPrefEnabled", + SYNC_TABS_PREF, + false, + () => { + this.maybeUpdateUI(true); + } + ); + XPCOMUtils.defineLazyPreferenceGetter( + this, + "mobilePromoDismissedPref", + MOBILE_PROMO_DISMISSED_PREF, + false, + () => { + this.maybeUpdateUI(true); + } + ); + + this._lastFxASignedIn = this.fxaSignedIn; + this.logger.debug( + "TabsSetupFlowManager constructor, fxaSignedIn:", + this._lastFxASignedIn + ); + this.onSignedInChange(); + } + + resetInternalState() { + // assign initial values for all the managed internal properties + delete this._lastFxASignedIn; + this._currentSetupStateName = "not-signed-in"; + this._shouldShowSuccessConfirmation = false; + this._didShowMobilePromo = false; + this._waitingForTabs = false; + + this.syncHasWorked = false; + + // keep track of what is connected so we can respond to changes + this._deviceStateSnapshot = { + mobileDeviceConnected: this.mobileDeviceConnected, + secondaryDeviceConnected: this.secondaryDeviceConnected, + }; + } + + get isPrimaryPasswordLocked() { + return lazy.syncUtils.mpLocked(); + } + + getErrorType() { + // this ordering is important for dealing with multiple errors at once + const errorStates = { + "network-offline": !this.networkIsOnline, + "fxa-admin-disabled": Services.prefs.prefIsLocked(FXA_ENABLED), + "password-locked": this.isPrimaryPasswordLocked, + "signed-out": + lazy.UIState.get().status === lazy.UIState.STATUS_LOGIN_FAILED, + "sync-disconnected": !this.syncIsConnected, + "sync-error": !this.syncIsWorking && !this.syncHasWorked, + }; + + for (let [type, value] of Object.entries(errorStates)) { + if (value) { + return type; + } + } + return null; + } + + uninit() { + Services.obs.removeObserver(this, lazy.UIState.ON_UPDATE); + Services.obs.removeObserver(this, TOPIC_DEVICELIST_UPDATED); + Services.obs.removeObserver(this, NETWORK_STATUS_CHANGED); + Services.obs.removeObserver(this, SYNC_SERVICE_ERROR); + Services.obs.removeObserver(this, SYNC_SERVICE_FINISHED); + Services.obs.removeObserver(this, TOPIC_TABS_CHANGED); + Services.obs.removeObserver(this, PRIMARY_PASSWORD_UNLOCKED); + Services.obs.removeObserver(this, FXA_DEVICE_CONNECTED); + Services.obs.removeObserver(this, FXA_DEVICE_DISCONNECTED); + } + get currentSetupState() { + return this.setupState.get(this._currentSetupStateName); + } + get isTabSyncSetupComplete() { + return this.currentSetupState.uiStateIndex >= 4; + } + get uiStateIndex() { + return this.currentSetupState.uiStateIndex; + } + get fxaSignedIn() { + let { UIState } = lazy; + let syncState = UIState.get(); + return ( + UIState.isReady() && + syncState.status === UIState.STATUS_SIGNED_IN && + // syncEnabled just checks the "services.sync.username" pref has a value + syncState.syncEnabled + ); + } + get secondaryDeviceConnected() { + if (!this.fxaSignedIn) { + return false; + } + let recentDevices = lazy.fxAccounts.device?.recentDeviceList?.length; + return recentDevices > 1; + } + get mobileDeviceConnected() { + if (!this.fxaSignedIn) { + return false; + } + let mobileClients = lazy.fxAccounts.device.recentDeviceList?.filter( + device => device.type == "mobile" || device.type == "tablet" + ); + return mobileClients?.length > 0; + } + get shouldShowMobilePromo() { + return ( + this.syncIsConnected && + this.fxaSignedIn && + this.currentSetupState.uiStateIndex >= 4 && + !this.mobileDeviceConnected && + !this.mobilePromoDismissedPref + ); + } + get shouldShowMobileConnectedSuccess() { + return ( + this.currentSetupState.uiStateIndex >= 3 && + this._shouldShowSuccessConfirmation && + this.mobileDeviceConnected + ); + } + get logger() { + if (!this._log) { + let setupLog = lazy.Log.repository.getLogger("FirefoxView.TabsSetup"); + setupLog.manageLevelFromPref(LOGGING_PREF); + setupLog.addAppender( + new lazy.Log.ConsoleAppender(new lazy.Log.BasicFormatter()) + ); + this._log = setupLog; + } + return this._log; + } + + registerSetupState(state) { + this.setupState.set(state.name, state); + } + + async observe(subject, topic, data) { + switch (topic) { + case lazy.UIState.ON_UPDATE: + this.logger.debug("Handling UIState update"); + this.syncIsConnected = lazy.UIState.get().syncEnabled; + if (this._lastFxASignedIn !== this.fxaSignedIn) { + this.onSignedInChange(); + } else { + this.maybeUpdateUI(); + } + this._lastFxASignedIn = this.fxaSignedIn; + break; + case TOPIC_DEVICELIST_UPDATED: + this.logger.debug("Handling observer notification:", topic, data); + if (await this.refreshDevices()) { + this.logger.debug( + "refreshDevices made changes, calling maybeUpdateUI" + ); + this.maybeUpdateUI(true); + } + break; + case FXA_DEVICE_CONNECTED: + case FXA_DEVICE_DISCONNECTED: + await lazy.fxAccounts.device.refreshDeviceList({ ignoreCached: true }); + this.maybeUpdateUI(true); + break; + case SYNC_SERVICE_ERROR: + this.logger.debug(`Handling ${SYNC_SERVICE_ERROR}`); + if (lazy.UIState.get().status == lazy.UIState.STATUS_SIGNED_IN) { + this._waitingForTabs = false; + this.syncIsWorking = false; + this.maybeUpdateUI(true); + } + break; + case NETWORK_STATUS_CHANGED: + this.networkIsOnline = data == "online"; + this._waitingForTabs = false; + this.maybeUpdateUI(true); + break; + case SYNC_SERVICE_FINISHED: + this.logger.debug(`Handling ${SYNC_SERVICE_FINISHED}`); + this._waitingForTabs = false; + if (!this.syncIsWorking) { + this.syncIsWorking = true; + this.syncHasWorked = true; + } + this.maybeUpdateUI(true); + break; + case TOPIC_TABS_CHANGED: + this.stopWaitingForTabs(); + break; + case PRIMARY_PASSWORD_UNLOCKED: + this.logger.debug(`Handling ${PRIMARY_PASSWORD_UNLOCKED}`); + this.tryToClearError(); + break; + } + } + + get waitingForTabs() { + return ( + // signed in & at least 1 other device is sycning indicates there's something to wait for + this.secondaryDeviceConnected && + // last recent tabs request came back empty and we've not had a sync finish (or error) yet + this._waitingForTabs + ); + } + + startWaitingForTabs() { + if (!this._waitingForTabs) { + this._waitingForTabs = true; + Services.obs.notifyObservers(null, TOPIC_SETUPSTATE_CHANGED); + } + } + + stopWaitingForTabs() { + if (this._waitingForTabs) { + this._waitingForTabs = false; + Services.obs.notifyObservers(null, TOPIC_SETUPSTATE_CHANGED); + } + } + + async onSignedInChange() { + this.logger.debug("onSignedInChange, fxaSignedIn:", this.fxaSignedIn); + // update UI to make the state change + this.maybeUpdateUI(true); + if (!this.fxaSignedIn) { + // As we just signed out, ensure the waiting flag is reset for next time around + this._waitingForTabs = false; + return; + } + + // Set Tab pickup open state pref to true when signing in + Services.prefs.setBoolPref(TAB_PICKUP_OPEN_STATE_PREF, true); + + // Now we need to figure out if we have recently synced tabs to show + // Or, if we are going to need to trigger a tab sync for them + const recentTabs = await lazy.SyncedTabs.getRecentTabs(50); + + if (!this.fxaSignedIn) { + // We got signed-out in the meantime. We should get an ON_UPDATE which will put us + // back in the right state, so we just do nothing here + return; + } + + // When SyncedTabs has resolved the getRecentTabs promise, + // we also know we can update devices-related internal state + if (await this.refreshDevices()) { + this.logger.debug( + "onSignedInChange, after refreshDevices, calling maybeUpdateUI" + ); + // give the UI an opportunity to update as secondaryDeviceConnected or + // mobileDeviceConnected have changed value + this.maybeUpdateUI(true); + } + + // If we can't get recent tabs, we need to trigger a request for them + const tabSyncNeeded = !recentTabs?.length; + this.logger.debug("onSignedInChange, tabSyncNeeded:", tabSyncNeeded); + + if (tabSyncNeeded) { + this.startWaitingForTabs(); + this.logger.debug( + "isPrimaryPasswordLocked:", + this.isPrimaryPasswordLocked + ); + this.logger.debug("onSignedInChange, no recentTabs, calling syncTabs"); + // If the syncTabs call rejects or resolves false we need to clear the waiting + // flag and update UI + this.syncTabs() + .catch(ex => { + this.logger.debug("onSignedInChange, syncTabs rejected:", ex); + this.stopWaitingForTabs(); + }) + .then(willSync => { + if (!willSync) { + this.logger.debug("onSignedInChange, no tab sync expected"); + this.stopWaitingForTabs(); + } + }); + } + } + + async refreshDevices() { + // If current device not found in recent device list, refresh device list + if ( + !lazy.fxAccounts.device.recentDeviceList?.some( + device => device.isCurrentDevice + ) + ) { + await lazy.fxAccounts.device.refreshDeviceList({ ignoreCached: true }); + } + + // compare new values to the previous values + const mobileDeviceConnected = this.mobileDeviceConnected; + const secondaryDeviceConnected = this.secondaryDeviceConnected; + + this.logger.debug( + `refreshDevices, mobileDeviceConnected: ${mobileDeviceConnected}, `, + `secondaryDeviceConnected: ${secondaryDeviceConnected}` + ); + + let didDeviceStateChange = + this._deviceStateSnapshot.mobileDeviceConnected != + mobileDeviceConnected || + this._deviceStateSnapshot.secondaryDeviceConnected != + secondaryDeviceConnected; + if ( + mobileDeviceConnected && + !this._deviceStateSnapshot.mobileDeviceConnected + ) { + // a mobile device was added, show success if we previously showed the promo + this._shouldShowSuccessConfirmation = this._didShowMobilePromo; + } else if ( + !mobileDeviceConnected && + this._deviceStateSnapshot.mobileDeviceConnected + ) { + // no mobile device connected now, reset + Services.prefs.clearUserPref(MOBILE_PROMO_DISMISSED_PREF); + this._shouldShowSuccessConfirmation = false; + } + this._deviceStateSnapshot = { + mobileDeviceConnected, + secondaryDeviceConnected, + }; + if (didDeviceStateChange) { + this.logger.debug("refreshDevices: device state did change"); + if (!secondaryDeviceConnected) { + this.logger.debug( + "We lost a device, now claim sync hasn't worked before." + ); + this.syncHasWorked = false; + } + } else { + this.logger.debug("refreshDevices: no device state change"); + } + return didDeviceStateChange; + } + + maybeUpdateUI(forceUpdate = false) { + let nextSetupStateName = this._currentSetupStateName; + let errorState = null; + let stateChanged = false; + + // state transition conditions + for (let state of this.setupState.values()) { + nextSetupStateName = state.name; + if (!state.exitConditions()) { + this.logger.debug( + "maybeUpdateUI, conditions not met to exit state: ", + nextSetupStateName + ); + break; + } + } + + let setupState = this.currentSetupState; + const state = this.setupState.get(nextSetupStateName); + const uiStateIndex = state.uiStateIndex; + + if ( + uiStateIndex == 0 || + nextSetupStateName != this._currentSetupStateName + ) { + setupState = state; + this._currentSetupStateName = nextSetupStateName; + stateChanged = true; + } + this.logger.debug( + "maybeUpdateUI, will notify update?:", + stateChanged, + forceUpdate + ); + if (stateChanged || forceUpdate) { + if (this.shouldShowMobilePromo) { + this._didShowMobilePromo = true; + } + if (uiStateIndex == 0) { + errorState = this.getErrorType(); + this.logger.debug("maybeUpdateUI, in error state:", errorState); + } + Services.obs.notifyObservers(null, TOPIC_SETUPSTATE_CHANGED, errorState); + } + if ("function" == typeof setupState.enter) { + setupState.enter(); + } + } + + dismissMobilePromo() { + Services.prefs.setBoolPref(MOBILE_PROMO_DISMISSED_PREF, true); + } + + dismissMobileConfirmation() { + this._shouldShowSuccessConfirmation = false; + this._didShowMobilePromo = false; + this.maybeUpdateUI(true); + } + + async openFxASignup(window) { + if (!(await lazy.fxAccounts.constructor.canConnectAccount())) { + return; + } + const url = await lazy.fxAccounts.constructor.config.promiseConnectAccountURI( + "fx-view" + ); + this.didFxaTabOpen = true; + openTabInWindow(window, url, true); + Services.telemetry.recordEvent("firefoxview", "fxa_continue", "sync", null); + } + + async openFxAPairDevice(window) { + const url = await lazy.fxAccounts.constructor.config.promisePairingURI({ + entrypoint: "fx-view", + }); + this.didFxaTabOpen = true; + openTabInWindow(window, url, true); + Services.telemetry.recordEvent("firefoxview", "fxa_mobile", "sync", null, { + has_devices: this.secondaryDeviceConnected.toString(), + }); + } + + syncOpenTabs(containerElem) { + // Flip the pref on. + // The observer should trigger re-evaluating state and advance to next step + Services.prefs.setBoolPref(SYNC_TABS_PREF, true); + } + + async syncOnPageReload() { + if (lazy.UIState.isReady() && this.fxaSignedIn) { + this.startWaitingForTabs(); + await this.syncTabs(true); + } + } + + tryToClearError() { + if (lazy.UIState.isReady() && this.fxaSignedIn) { + this.startWaitingForTabs(); + Services.tm.dispatchToMainThread(() => { + this.logger.debug("tryToClearError: triggering new tab sync"); + this.startFullTabsSync(); + }); + } else { + this.logger.debug( + `tryToClearError: unable to sync, isReady: ${lazy.UIState.isReady()}, fxaSignedIn: ${ + this.fxaSignedIn + }` + ); + } + } + // For easy overriding in tests + syncTabs(force = false) { + return lazy.SyncedTabs.syncTabs(force); + } + + startFullTabsSync() { + lazy.Weave.Service.sync({ why: "tabs", engines: ["tabs"] }); + } +})(); |