Statsd notif logs: important conversations.

Adds an importance level for "important conversation" to the
notification posted and notification channel updated logs.

Bug: 155064930
Change-Id: Ib5a47aeb2da4d8614bfc778f3771479256220b23
Test: atest PreferencesHelperTest NotificationManagerServiceTest
Test: statsd_testdrive

5 files changed, 52 insertions, 9 deletions

diff --git a/core/proto/android/stats/sysui/notification_enums.proto b/core/proto/android/stats/sysui/notification_enums.proto
index 09837022e50d..30bdecae07d1 100644
--- a/core/proto/android/stats/sysui/notification_enums.proto
+++ b/core/proto/android/stats/sysui/notification_enums.proto
@@ -26,4 +26,5 @@ enum NotificationImportance {  // Constants from NotificationManager.java
   IMPORTANCE_LOW = 2;  // Shows in shade, maybe status bar, no buzz/beep.
   IMPORTANCE_DEFAULT = 3;  // Shows everywhere, makes noise, no heads-up.
   IMPORTANCE_HIGH = 4;  // Shows everywhere, makes noise, heads-up, may full-screen.
+  IMPORTANCE_IMPORTANT_CONVERSATION = 5;  // High + isImportantConversation().
 }
diff --git a/services/core/java/com/android/server/notification/NotificationChannelLogger.java b/services/core/java/com/android/server/notification/NotificationChannelLogger.java
index a7b18778f868..b70264b24319 100644
--- a/services/core/java/com/android/server/notification/NotificationChannelLogger.java
+++ b/services/core/java/com/android/server/notification/NotificationChannelLogger.java
@@ -16,9 +16,12 @@
 
 package com.android.server.notification;
 
+import static android.app.NotificationManager.IMPORTANCE_HIGH;
+
 import android.annotation.NonNull;
 import android.app.NotificationChannel;
 import android.app.NotificationChannelGroup;
+import android.stats.sysui.NotificationEnums;
 
 import com.android.internal.logging.UiEvent;
 import com.android.internal.logging.UiEventLogger;
@@ -42,7 +45,7 @@ public interface NotificationChannelLogger {
             String pkg) {
         logNotificationChannel(
                 NotificationChannelEvent.getCreated(channel),
-                channel, uid, pkg, 0, 0);
+                channel, uid, pkg, 0, getLoggingImportance(channel));
     }
 
     /**
@@ -55,7 +58,7 @@ public interface NotificationChannelLogger {
             String pkg) {
         logNotificationChannel(
                 NotificationChannelEvent.getDeleted(channel),
-                channel, uid, pkg, 0, 0);
+                channel, uid, pkg, getLoggingImportance(channel), 0);
     }
 
     /**
@@ -63,13 +66,13 @@ public interface NotificationChannelLogger {
      * @param channel The channel.
      * @param uid UID of app that owns the channel.
      * @param pkg Package of app that owns the channel.
-     * @param oldImportance Previous importance level of the channel.
+     * @param oldLoggingImportance Previous logging importance level of the channel.
      * @param byUser True if the modification was user-specified.
      */
     default void logNotificationChannelModified(@NonNull NotificationChannel channel, int uid,
-            String pkg, int oldImportance, boolean byUser) {
+            String pkg, int oldLoggingImportance, boolean byUser) {
         logNotificationChannel(NotificationChannelEvent.getUpdated(byUser),
-                channel, uid, pkg, oldImportance, channel.getImportance());
+                channel, uid, pkg, oldLoggingImportance, getLoggingImportance(channel));
     }
 
     /**
@@ -195,6 +198,27 @@ public interface NotificationChannelLogger {
     }
 
     /**
+     * @return Logging importance for a channel: the regular importance, or
+     *     IMPORTANCE_IMPORTANT_CONVERSATION for a HIGH-importance conversation tagged important.
+     */
+    static int getLoggingImportance(@NonNull NotificationChannel channel) {
+        return getLoggingImportance(channel, channel.getImportance());
+    }
+
+    /**
+     * @return Logging importance for a channel or notification: the regular importance, or
+     *     IMPORTANCE_IMPORTANT_CONVERSATION for a HIGH-importance conversation tagged important.
+     */
+    static int getLoggingImportance(@NonNull NotificationChannel channel, int importance) {
+        if (channel.getConversationId() == null || importance < IMPORTANCE_HIGH) {
+            return importance;
+        }
+        return (channel.isImportantConversation())
+                ? NotificationEnums.IMPORTANCE_IMPORTANT_CONVERSATION
+                : importance;
+    }
+
+    /**
      * @return "Importance" for a channel group
      */
     static int getImportance(@NonNull NotificationChannelGroup channelGroup) {
diff --git a/services/core/java/com/android/server/notification/NotificationRecordLogger.java b/services/core/java/com/android/server/notification/NotificationRecordLogger.java
index e06e01e53852..0e2ff7523c85 100644
--- a/services/core/java/com/android/server/notification/NotificationRecordLogger.java
+++ b/services/core/java/com/android/server/notification/NotificationRecordLogger.java
@@ -20,8 +20,10 @@ import static android.service.notification.NotificationListenerService.REASON_CA
 import static android.service.notification.NotificationListenerService.REASON_CLICK;
 import static android.service.notification.NotificationListenerService.REASON_TIMEOUT;
 
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.app.Notification;
+import android.app.NotificationChannel;
 import android.app.Person;
 import android.os.Bundle;
 import android.service.notification.NotificationListenerService;
@@ -346,7 +348,8 @@ public interface NotificationRecordLogger {
                         == old.getSbn().getNotification().isGroupSummary())
                     && Objects.equals(r.getSbn().getNotification().category,
                         old.getSbn().getNotification().category)
-                    && (r.getImportance() == old.getImportance()));
+                    && (r.getImportance() == old.getImportance())
+                    && (getLoggingImportance(r) == getLoggingImportance(old)));
         }
 
         /**
@@ -413,5 +416,17 @@ public interface NotificationRecordLogger {
 
     }
 
+    /**
+     * @param r NotificationRecord
+     * @return Logging importance of record, taking important conversation channels into account.
+     */
+    static int getLoggingImportance(@NonNull NotificationRecord r) {
+        final int importance = r.getImportance();
+        final NotificationChannel channel = r.getChannel();
+        if (channel == null) {
+            return importance;
+        }
+        return NotificationChannelLogger.getLoggingImportance(channel, importance);
+    }
 
 }
diff --git a/services/core/java/com/android/server/notification/NotificationRecordLoggerImpl.java b/services/core/java/com/android/server/notification/NotificationRecordLoggerImpl.java
index 2b8ee92e00d9..1a99fb0e55f3 100644
--- a/services/core/java/com/android/server/notification/NotificationRecordLoggerImpl.java
+++ b/services/core/java/com/android/server/notification/NotificationRecordLoggerImpl.java
@@ -51,7 +51,8 @@ public class NotificationRecordLoggerImpl implements NotificationRecordLogger {
                 /* int32 style = 11 */ p.getStyle(),
                 /* int32 num_people = 12 */ p.getNumPeople(),
                 /* int32 position = 13 */ position,
-                /* android.stats.sysui.NotificationImportance importance = 14 */ r.getImportance(),
+                /* android.stats.sysui.NotificationImportance importance = 14 */
+                NotificationRecordLogger.getLoggingImportance(r),
                 /* int32 alerting = 15 */ buzzBeepBlink,
                 /* NotificationImportanceExplanation importance_source = 16 */
                 r.getImportanceExplanationCode(),
diff --git a/services/core/java/com/android/server/notification/PreferencesHelper.java b/services/core/java/com/android/server/notification/PreferencesHelper.java
index e472e3097777..03e2fc76057a 100644
--- a/services/core/java/com/android/server/notification/PreferencesHelper.java
+++ b/services/core/java/com/android/server/notification/PreferencesHelper.java
@@ -838,6 +838,8 @@ public class PreferencesHelper implements RankingConfig {
                 // Apps are allowed to downgrade channel importance if the user has not changed any
                 // fields on this channel yet.
                 final int previousExistingImportance = existing.getImportance();
+                final int previousLoggingImportance =
+                        NotificationChannelLogger.getLoggingImportance(existing);
                 if (existing.getUserLockedFields() == 0 &&
                         channel.getImportance() < existing.getImportance()) {
                     existing.setImportance(channel.getImportance());
@@ -867,7 +869,7 @@ public class PreferencesHelper implements RankingConfig {
                 updateConfig();
                 if (needsPolicyFileChange && !wasUndeleted) {
                     mNotificationChannelLogger.logNotificationChannelModified(existing, uid, pkg,
-                            previousExistingImportance, false);
+                            previousLoggingImportance, false);
                 }
                 return needsPolicyFileChange;
             }
@@ -985,7 +987,7 @@ public class PreferencesHelper implements RankingConfig {
                 MetricsLogger.action(getChannelLog(updatedChannel, pkg)
                         .setSubtype(fromUser ? 1 : 0));
                 mNotificationChannelLogger.logNotificationChannelModified(updatedChannel, uid, pkg,
-                        channel.getImportance(), fromUser);
+                        NotificationChannelLogger.getLoggingImportance(channel), fromUser);
             }
 
             if (updatedChannel.canBypassDnd() != mAreChannelsBypassingDnd