Grant origins engagement for having interactions on their notifications.

chrome/browser/engagement/site_engagement_service.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_SERVICE_H_
 #define CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_SERVICE_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 119 matching lines @@
   void SetLastShortcutLaunchTime(const GURL& url);
 
   void HelperCreated(SiteEngagementService::Helper* helper);
   void HelperDeleted(SiteEngagementService::Helper* helper);
 
   // Overridden from SiteEngagementScoreProvider.
   double GetScore(const GURL& url) const override;
   double GetTotalEngagementPoints() const override;
 
  private:
+  // TODO(dominickn): remove this friend when we have notification observers.
+  friend class PlatformNotificationServiceImpl;
   friend class SiteEngagementObserver;
   friend class SiteEngagementServiceAndroid;
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, CheckHistograms);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, CleanupEngagementScores);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest,
                            CleanupMovesScoreBackToNow);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest,
                            CleanupMovesScoreBackToRebase);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest,
                            CleanupEngagementScoresProportional);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, ClearHistoryForURLs);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, GetMedianEngagement);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, GetTotalNavigationPoints);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, GetTotalUserInputPoints);
+  FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest,
+                           GetTotalNotificationPoints);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, RestrictedToHTTPAndHTTPS);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, LastShortcutLaunch);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, NotificationPermission);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest,
                            CleanupOriginsOnHistoryDeletion);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, IsBootstrapped);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, EngagementLevel);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, Observers);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, ScoreDecayHistograms);
   FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, LastEngagementTime);
@@ skipping 60 matching lines @@
   // Update the engagement score of the origin loaded in |web_contents| for
   // navigation.
   void HandleNavigation(content::WebContents* web_contents,
                         ui::PageTransition transition);
 
   // Update the engagement score of the origin loaded in |web_contents| for
   // time-on-site, based on user input.
   void HandleUserInput(content::WebContents* web_contents,
                        SiteEngagementMetrics::EngagementType type);
 
+  // Update the engagement score of |url| for a notification interaction.
+  void HandleNotificationInteraction(const GURL& url);
+
   // Called if |url| changes to |level| engagement, and informs every Helper of
   // the change.
   void SendLevelChangeToHelpers(const GURL& url,
                                 blink::mojom::EngagementLevel level);
 
   // Returns true if the last engagement increasing event seen by the site
   // engagement service was sufficiently long ago that we need to reset all
   // scores to be relative to now. This ensures that users who do not use the
   // browser for an extended period of time do not have their engagement decay.
   bool IsLastEngagementStale() const;
@@ skipping 44 matching lines @@
   // A list of observers. When any origin registers an engagement-increasing
   // event, each observer's OnEngagementIncreased method will be called.
   base::ObserverList<SiteEngagementObserver> observer_list_;
 
   base::WeakPtrFactory<SiteEngagementService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SiteEngagementService);
 };
 
 #endif  // CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_SERVICE_H_