From a70829946265047ef9798829a176978d578a915c Mon Sep 17 00:00:00 2001
From: John Spurlock <jspurlock@google.com>
Date: Mon, 9 Mar 2015 12:19:23 -0400
Subject: [PATCH] ZenLog: Track changes to effect suppressorship.

Bug: 19656287
Change-Id: Ibbb42bef68f4588beac4ca971db73a19678c2b4c
---
 .../notification/NotificationManagerService.java   |  2 ++
 .../com/android/server/notification/ZenLog.java    | 24 ++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index bedcabe7246b..bb0aa65caa60 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -1026,6 +1026,7 @@ public class NotificationManagerService extends SystemService {
     private void updateListenerHintsLocked() {
         final int hints = mListenersDisablingEffects.isEmpty() ? 0 : HINT_HOST_DISABLE_EFFECTS;
         if (hints == mListenerHints) return;
+        ZenLog.traceListenerHintsChanged(mListenerHints, hints, mListenersDisablingEffects.size());
         mListenerHints = hints;
         scheduleListenerHintsChanged(hints);
     }
@@ -1034,6 +1035,7 @@ public class NotificationManagerService extends SystemService {
         final ComponentName suppressor = !mListenersDisablingEffects.isEmpty()
                 ? mListenersDisablingEffects.valueAt(0).component : null;
         if (Objects.equals(suppressor, mEffectsSuppressor)) return;
+        ZenLog.traceEffectsSuppressorChanged(mEffectsSuppressor, suppressor);
         mEffectsSuppressor = suppressor;
         mZenModeHelper.setEffectsSuppressed(suppressor != null);
         getContext().sendBroadcast(new Intent(NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED)
diff --git a/services/core/java/com/android/server/notification/ZenLog.java b/services/core/java/com/android/server/notification/ZenLog.java
index a83fbc32da15..1fc967f430ce 100644
--- a/services/core/java/com/android/server/notification/ZenLog.java
+++ b/services/core/java/com/android/server/notification/ZenLog.java
@@ -24,6 +24,7 @@ import android.os.RemoteException;
 import android.provider.Settings.Global;
 import android.service.notification.Condition;
 import android.service.notification.IConditionProvider;
+import android.service.notification.NotificationListenerService;
 import android.service.notification.ZenModeConfig;
 import android.util.Slog;
 
@@ -56,6 +57,8 @@ public class ZenLog {
     private static final int TYPE_CONFIG = 11;
     private static final int TYPE_NOT_INTERCEPTED = 12;
     private static final int TYPE_DISABLE_EFFECTS = 13;
+    private static final int TYPE_SUPPRESSOR_CHANGED = 14;
+    private static final int TYPE_LISTENER_HINTS_CHANGED = 15;
 
     private static int sNext;
     private static int sSize;
@@ -120,6 +123,17 @@ public class ZenLog {
         append(TYPE_DISABLE_EFFECTS, record.getKey() + "," + reason);
     }
 
+    public static void traceEffectsSuppressorChanged(ComponentName oldSuppressor,
+            ComponentName newSuppressor) {
+        append(TYPE_SUPPRESSOR_CHANGED, componentToString(oldSuppressor) + "->"
+            + componentToString(newSuppressor));
+    }
+
+    public static void traceListenerHintsChanged(int oldHints, int newHints, int listenerCount) {
+        append(TYPE_LISTENER_HINTS_CHANGED, hintsToString(oldHints) + "->"
+            + hintsToString(newHints) + ",listeners=" + listenerCount);
+    }
+
     private static String subscribeResult(IConditionProvider provider, RemoteException e) {
         return provider == null ? "no provider" : e != null ? e.getMessage() : "ok";
     }
@@ -139,6 +153,8 @@ public class ZenLog {
             case TYPE_CONFIG: return "config";
             case TYPE_NOT_INTERCEPTED: return "not_intercepted";
             case TYPE_DISABLE_EFFECTS: return "disable_effects";
+            case TYPE_SUPPRESSOR_CHANGED: return "suppressor_changed";
+            case TYPE_LISTENER_HINTS_CHANGED: return "listener_hints_changed";
             default: return "unknown";
         }
     }
@@ -161,6 +177,14 @@ public class ZenLog {
         }
     }
 
+    private static String hintsToString(int hints) {
+        switch (hints) {
+            case 0 : return "none";
+            case NotificationListenerService.HINT_HOST_DISABLE_EFFECTS : return "disable_effects";
+            default: return Integer.toString(hints);
+        }
+    }
+
     private static String componentToString(ComponentName component) {
         return component != null ? component.toShortString() : null;
     }
-- 
2.11.0