Index: chrome/browser/engagement/site_engagement_metrics.h |
diff --git a/chrome/browser/engagement/site_engagement_metrics.h b/chrome/browser/engagement/site_engagement_metrics.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d07cdaa2de32ec63fcaafe4b3a8f4242d4ad905d |
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+++ b/chrome/browser/engagement/site_engagement_metrics.h |
@@ -0,0 +1,51 @@ |
+// 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_METRICS_H_ |
+#define CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_METRICS_H_ |
+ |
+#include <map> |
+ |
+#include "base/gtest_prod_util.h" |
+#include "url/gurl.h" |
+ |
+// Helper class managing the UMA histograms for the Site Engagement Service. |
+class SiteEngagementMetrics { |
+ public: |
+ // This is used to back a UMA histogram, so it should be treated as |
+ // append-only. Any new values should be inserted immediately prior to |
+ // ENGAGEMENT_LAST. |
+ enum EngagementType { |
+ ENGAGEMENT_NAVIGATION, |
+ ENGAGEMENT_KEYPRESS, |
+ ENGAGEMENT_MOUSE, |
+ ENGAGEMENT_LAST, |
+ }; |
+ |
+ static void RecordTotalSiteEngagement(double total_engagement); |
+ static void RecordTotalOriginsEngaged(int total_origins); |
+ static void RecordMeanEngagement(double mean_engagement); |
+ static void RecordMedianEngagement(double median_engagement); |
+ static void RecordEngagementScores(std::map<GURL, double> score_map); |
+ static void RecordOriginsWithMaxEngagement(int total_origins); |
+ static void RecordOriginsWithMaxDailyEngagement(int total_origins); |
+ static void RecordPercentOriginsWithMaxEngagement(double percentage); |
+ static void RecordEngagement(EngagementType type); |
+ |
+ private: |
+ FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, CheckHistograms); |
+ FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceBrowserTest, |
+ MixedInputEngagementAccumulation); |
+ static const char kTotalEngagementHistogram[]; |
+ static const char kTotalOriginsHistogram[]; |
+ static const char kMeanEngagementHistogram[]; |
+ static const char kMedianEngagementHistogram[]; |
+ static const char kEngagementScoreHistogram[]; |
+ static const char kOriginsWithMaxEngagementHistogram[]; |
+ static const char kOriginsWithMaxDailyEngagementHistogram[]; |
+ static const char kPercentOriginsWithMaxEngagementHistogram[]; |
+ static const char kEngagementTypeHistogram[]; |
+}; |
+ |
+#endif // CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_METRICS_H_ |