NTP: track shown/blocked suggestions notifications

chrome/android/java/src/org/chromium/chrome/browser/ntp/ContentSuggestionsNotificationHelper.java

 // Copyright 2016 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.
 
 package org.chromium.chrome.browser.ntp;
 
 import android.app.AlarmManager;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Bitmap;
 import android.net.Uri;
 import android.provider.Browser;
 
 import org.chromium.base.ContextUtils;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.library_loader.LibraryLoader;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.AppHooks;
 import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.ShortcutHelper;
 import org.chromium.chrome.browser.document.ChromeLauncherActivity;
 import org.chromium.chrome.browser.notifications.ChromeNotificationBuilder;
 import org.chromium.chrome.browser.notifications.NotificationConstants;
+import org.chromium.chrome.browser.notifications.NotificationUmaTracker;
 import org.chromium.chrome.browser.ntp.snippets.ContentSuggestionsNotificationAction;
 
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
 /**
  * Provides functionality needed for content suggestion notifications.
  *
@@ skipping 122 matching lines @@
                         .setContentTitle(title)
                         .setContentText(text)
                         .setGroup(NOTIFICATION_TAG)
                         .setPriority(priority)
                         .setLargeIcon(image)
                         .setSmallIcon(R.drawable.ic_chrome);
         if (priority >= 0) {
             builder.setDefaults(Notification.DEFAULT_ALL);
         }
         manager.notify(NOTIFICATION_TAG, nextId, builder.build());
+        NotificationUmaTracker.getInstance().onNotificationShown(
+                NotificationUmaTracker.CONTENT_SUGGESTION);
         addActiveNotification(new ActiveNotification(nextId, category, idWithinCategory, uri));
 
         // Set timeout.
         if (timeoutAtMillis != Long.MAX_VALUE) {
             AlarmManager alarmManager =
                     (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
             Intent timeoutIntent =
                     new Intent(context, TimeoutReceiver.class)
                             .setData(Uri.parse(url))
                             .putExtra(NOTIFICATION_ID_EXTRA, nextId)
@@ skipping 253 matching lines @@
                     .remove(PREF_CACHED_ACTION_HIDE_SHUTDOWN)
                     .remove(PREF_CACHED_CONSECUTIVE_IGNORED)
                     .apply();
         }
     }
 
     private static native void nativeReceiveFlushedMetrics(int tapCount, int dismissalCount,
             int hideDeadlineCount, int hideExpiryCount, int hideFrontmostCount,
             int hideDisabledCount, int hideShutdownCount, int consecutiveIgnored);
 }