Count All Cards for Explanatory Link Support

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 66 matching lines @@
  */
 var DEFAULT_OPTIN_CHECK_PERIOD_SECONDS = 60 * 60 * 24 * 7; // 1 week
 
 /**
  * URL to open when the user clicked on a link for the our notification
  * settings.
  */
 var SETTINGS_URL = 'https://support.google.com/chrome/?p=ib_google_now_welcome';
 
 /**
- * Number of location cards that need an explanatory link.
+ * Number of cards that need an explanatory link.
  */
-var LOCATION_CARDS_LINK_THRESHOLD = 10;
+var EXPLANATORY_CARDS_LINK_THRESHOLD = 4;
 
 /**
  * Names for tasks that can be created by the extension.
  */
 var UPDATE_CARDS_TASK_NAME = 'update-cards';
 var DISMISS_CARD_TASK_NAME = 'dismiss-card';
 var RETRY_DISMISS_TASK_NAME = 'retry-dismiss';
 var STATE_CHANGED_TASK_NAME = 'state-changed';
 var SHOW_ON_START_TASK_NAME = 'show-cards-on-start';
 var ON_PUSH_MESSAGE_START_TASK_NAME = 'on-push-message';
@@ skipping 444 matching lines @@
                 notificationGroups: updatedGroups,
                 recentDismissals: updatedRecentDismissals
               });
               recordEvent(GoogleNowEvent.CARDS_PARSE_SUCCESS);
             },
             onCardShown);
       });
 }
 
 /**
- * Update Location Cards Shown Count.
- * @param {ReceivedNotification} receivedNotification Notification as it was
- *     received from the server.
+ * Update the Explanatory Total Cards Shown Count.
  */
-function countLocationCard(receivedNotification) {
-  if (receivedNotification.locationBased) {
-    localStorage['locationCardsShown']++;
-  }
+function countExplanatoryCard() {
+  localStorage['explanatoryCardsShown']++;
 }
 
 /**
  * Requests notification cards from the server for specified groups.
  * @param {Array.<string>} groupNames Names of groups that need to be refreshed.
  */
 function requestNotificationGroups(groupNames) {
   console.log('requestNotificationGroups from ' + NOTIFICATION_CARDS_URL +
       ', groupNames=' + JSON.stringify(groupNames));
 
   recordEvent(GoogleNowEvent.REQUEST_FOR_CARDS_TOTAL);
 
   var requestParameters = '?timeZoneOffsetMs=' +
     (-new Date().getTimezoneOffset() * MS_IN_MINUTE);
 
   var cardShownCallback = undefined;
-  if (localStorage['locationCardsShown'] < LOCATION_CARDS_LINK_THRESHOLD) {
-    requestParameters += '&locationExplanation=true';
-    cardShownCallback = countLocationCard;
+  var belowExplanatoryThreshold =
+      localStorage['explanatoryCardsShown'] < EXPLANATORY_CARDS_LINK_THRESHOLD;
+  if (belowExplanatoryThreshold) {
+    requestParameters += '&cardExplanation=true';
+    cardShownCallback = countExplanatoryCard;
   }
 
   groupNames.forEach(function(groupName) {
     requestParameters += ('&requestTypes=' + groupName);
   });
 
   console.log('requestNotificationGroups: request=' + requestParameters);
 
   var request = buildServerRequest('GET', 'notifications' + requestParameters);
 
@@ skipping 643 matching lines @@
             lastPollNowPayloads: items.lastPollNowPayloads,
             notificationGroups: items.notificationGroups
           });
 
           updateNotificationsCards();
         }
       });
     });
   }
 });