Basic State Machine Logging

chrome/browser/resources/google_now/background.js

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 'use strict';
 
 /**
  * @fileoverview The event page for Google Now for Chrome implementation.
  * The Google Now event page gets Google Now cards from the server and shows
  * them as Chrome notifications.
@@ skipping 686 matching lines @@
  * Starts or stops the polling of cards.
  * @param {boolean} shouldPollCardsRequest true to start and
  *     false to stop polling cards.
  * @param {function} onSuccess Called on completion.
  */
 function setShouldPollCards(shouldPollCardsRequest, onSuccess) {
   tasks.debugSetStepName(
         'setShouldRun-shouldRun-updateCardsAttemptsIsRunning');
   updateCardsAttempts.isRunning(function(currentValue) {
     if (shouldPollCardsRequest != currentValue) {
+      console.log('Action Taken setShouldPollCards=' + shouldPollCardsRequest);
       if (shouldPollCardsRequest)
         startPollingCards();
       else
         stopPollingCards();
     }
     onSuccess();
   });
 }
 
 /**
  * Shows or hides the toast.
  * @param {boolean} visibleRequest true to show the toast and
  *     false to hide the toast.
  * @param {function} onSuccess Called on completion.
  */
 function setToastVisible(visibleRequest, onSuccess) {
   tasks.debugSetStepName(
       'setToastVisible-shouldSetToastVisible-getAllNotifications');
   chrome.notifications.getAll(function(notifications) {
     // TODO(vadimt): Figure out what to do when notifications are disabled for
     // our extension.
     notifications = notifications || {};
 
     if (visibleRequest != !!notifications[WELCOME_TOAST_NOTIFICATION_ID]) {
+      console.log('Action Taken setToastVisible=' + visibleRequest);
       if (visibleRequest)
         showWelcomeToast();
       else
         hideWelcomeToast();
     }
 
     onSuccess();
   });
 }
 
 /**
  * Does the actual work of deciding what Google Now should do
  * based off of the current state of Chrome.
  * @param {boolean} signedIn true if the user is signed in.
  * @param {boolean} geolocationEnabled true if
  *     the geolocation option is enabled.
  * @param {boolean} userRespondedToToast true if
  *     the user has responded to the toast.
  * @param {function()} callback Call this function on completion.
  */
 function updateRunningState(
     signedIn,
     geolocationEnabled,
     userRespondedToToast,
     callback) {
 
+  console.log(
+      'State Update signedIn=' + signedIn + ' ' +
+      'geolocationEnabled=' + geolocationEnabled + ' ' +
+      'userRespondedToToast=' + userRespondedToToast);
+
   var shouldSetToastVisible = false;
   var shouldPollCards = false;
 
   if (signedIn) {
     if (geolocationEnabled) {
       if (!userRespondedToToast) {
         // If the user enabled geolocation independently of Google Now,
         // the user has implicitly responded to the toast.
         // We do not want to show it again.
         storage.set({userRespondedToToast: true});
       }
 
       shouldPollCards = true;
     } else {
       if (userRespondedToToast) {
         recordEvent(GoogleNowEvent.USER_SUPPRESSED);
       } else {
         shouldSetToastVisible = true;
       }
     }
   } else {
     recordEvent(GoogleNowEvent.STOPPED);
   }
 
+  console.log(
+      'Requested Actions setToastVisible=' + shouldSetToastVisible + ' ' +
+      'setShouldPollCards=' + shouldPollCards);
+
   setToastVisible(shouldSetToastVisible, function() {
     setShouldPollCards(shouldPollCards, callback);
   });
 }
 
 /**
  * Coordinates the behavior of Google Now for Chrome depending on
  * Chrome and extension state.
  */
 function onStateChange() {
@@ skipping 101 matching lines @@
 
 chrome.location.onLocationUpdate.addListener(function(position) {
   recordEvent(GoogleNowEvent.LOCATION_UPDATE);
   updateNotificationsCards(position);
 });
 
 chrome.omnibox.onInputEntered.addListener(function(text) {
   localStorage['server_url'] = NOTIFICATION_CARDS_URL = text;
   initialize();
 });