content: /**
   * Copyright (c) 2014, The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.android.server.notification;
  
  import android.app.NotificationManager;
  import android.content.ComponentName;
  import android.media.AudioManager;
  import android.net.Uri;
  import android.os.Build;
  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;
  
  import java.io.PrintWriter;
  import java.text.SimpleDateFormat;
  import java.util.Date;
  import java.util.List;
  
  public class ZenLog {
      private static final String TAG = "ZenLog";
      // the ZenLog is *very* verbose, so be careful about setting this to true
      private static final boolean DEBUG = false;
  
      private static final int SIZE = Build.IS_DEBUGGABLE ? 100 : 20;
  
      private static final long[] TIMES = new long[SIZE];
      private static final int[] TYPES = new int[SIZE];
      private static final String[] MSGS = new String[SIZE];
  
      private static final SimpleDateFormat FORMAT = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
  
      private static final int TYPE_INTERCEPTED = 1;
      private static final int TYPE_ALLOW_DISABLE = 2;
      private static final int TYPE_SET_RINGER_MODE_EXTERNAL = 3;
      private static final int TYPE_SET_RINGER_MODE_INTERNAL = 4;
      private static final int TYPE_DOWNTIME = 5;
      private static final int TYPE_SET_ZEN_MODE = 6;
      private static final int TYPE_UPDATE_ZEN_MODE = 7;
      private static final int TYPE_EXIT_CONDITION = 8;
      private static final int TYPE_SUBSCRIBE = 9;
      private static final int TYPE_UNSUBSCRIBE = 10;
      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 final int TYPE_SET_NOTIFICATION_POLICY = 16;
      private static final int TYPE_SET_CONSOLIDATED_ZEN_POLICY = 17;
  
      private static int sNext;
      private static int sSize;
  
      public static void traceIntercepted(NotificationRecord record, String reason) {
          if (record != null && record.isIntercepted()) return;  // already logged
          append(TYPE_INTERCEPTED, record.getKey() + "," + reason);
      }
  
      public static void traceNotIntercepted(NotificationRecord record, String reason) {
          if (record != null && record.isUpdate) return;  // already logged
          append(TYPE_NOT_INTERCEPTED, record.getKey() + "," + reason);
      }
  
      public static void traceSetRingerModeExternal(int ringerModeOld, int ringerModeNew,
              String caller, int ringerModeInternalIn, int ringerModeInternalOut) {
          append(TYPE_SET_RINGER_MODE_EXTERNAL, caller + ",e:" +
                  ringerModeToString(ringerModeOld) + "->" +
                  ringerModeToString(ringerModeNew)  + ",i:" +
                  ringerModeToString(ringerModeInternalIn) + "->" +
                  ringerModeToString(ringerModeInternalOut));
      }
  
      public static void traceSetRingerModeInternal(int ringerModeOld, int ringerModeNew,
              String caller, int ringerModeExternalIn, int ringerModeExternalOut) {
          append(TYPE_SET_RINGER_MODE_INTERNAL, caller + ",i:" +
                  ringerModeToString(ringerModeOld) + "->" +
                  ringerModeToString(ringerModeNew)  + ",e:" +
                  ringerModeToString(ringerModeExternalIn) + "->" +
                  ringerModeToString(ringerModeExternalOut));
      }
  
      public static void traceDowntimeAutotrigger(String result) {
          append(TYPE_DOWNTIME, result);
      }
  
      public static void traceSetZenMode(int zenMode, String reason) {
          append(TYPE_SET_ZEN_MODE, zenModeToString(zenMode) + "," + reason);
      }
  
      /**
       * trace setting the consolidated zen policy
       */
      public static void traceSetConsolidatedZenPolicy(NotificationManager.Policy policy,
              String reason) {
          append(TYPE_SET_CONSOLIDATED_ZEN_POLICY, policy.toString() + "," + reason);
      }
  
      public static void traceUpdateZenMode(int fromMode, int toMode) {
          append(TYPE_UPDATE_ZEN_MODE, zenModeToString(fromMode) + " -> " + zenModeToString(toMode));
      }
  
      public static void traceExitCondition(Condition c, ComponentName component, String reason) {
          append(TYPE_EXIT_CONDITION, c + "," + componentToString(component) + "," + reason);
      }
  
      public static void traceSetNotificationPolicy(String pkg, int targetSdk,
              NotificationManager.Policy policy) {
          append(TYPE_SET_NOTIFICATION_POLICY, "pkg=" + pkg + " targetSdk=" + targetSdk
                  + " NotificationPolicy=" + policy.toString());
      }
  
      public static void traceSubscribe(Uri uri, IConditionProvider provider, RemoteException e) {
          append(TYPE_SUBSCRIBE, uri + "," + subscribeResult(provider, e));
      }
  
      public static void traceUnsubscribe(Uri uri, IConditionProvider provider, RemoteException e) {
          append(TYPE_UNSUBSCRIBE, uri + "," + subscribeResult(provider, e));
      }
  
      public static void traceConfig(String reason, ZenModeConfig oldConfig,
              ZenModeConfig newConfig) {
          append(TYPE_CONFIG, reason
                  + "," + (newConfig != null ? newConfig.toString() : null)
                  + "," + ZenModeConfig.diff(oldConfig, newConfig));
      }
  
      public static void traceDisableEffects(NotificationRecord record, String reason) {
          append(TYPE_DISABLE_EFFECTS, record.getKey() + "," + reason);
      }
  
      public static void traceEffectsSuppressorChanged(List<ComponentName> oldSuppressors,
              List<ComponentName> newSuppressors, long suppressedEffects) {
          append(TYPE_SUPPRESSOR_CHANGED, "suppressed effects:" + suppressedEffects + ","
                  + componentListToString(oldSuppressors) + "->"
                  + componentListToString(newSuppressors));
      }
  
      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";
      }
  
      private static String typeToString(int type) {
          switch (type) {
              case TYPE_INTERCEPTED: return "intercepted";
              case TYPE_ALLOW_DISABLE: return "allow_disable";
              case TYPE_SET_RINGER_MODE_EXTERNAL: return "set_ringer_mode_external";
              case TYPE_SET_RINGER_MODE_INTERNAL: return "set_ringer_mode_internal";
              case TYPE_DOWNTIME: return "downtime";
              case TYPE_SET_ZEN_MODE: return "set_zen_mode";
              case TYPE_UPDATE_ZEN_MODE: return "update_zen_mode";
              case TYPE_EXIT_CONDITION: return "exit_condition";
              case TYPE_SUBSCRIBE: return "subscribe";
              case TYPE_UNSUBSCRIBE: return "unsubscribe";
              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";
              case TYPE_SET_NOTIFICATION_POLICY: return "set_notification_policy";
              case TYPE_SET_CONSOLIDATED_ZEN_POLICY: return "set_consolidated_policy";
              default: return "unknown";
          }
      }
  
      private static String ringerModeToString(int ringerMode) {
          switch (ringerMode) {
              case AudioManager.RINGER_MODE_SILENT: return "silent";
              case AudioManager.RINGER_MODE_VIBRATE: return "vibrate";
              case AudioManager.RINGER_MODE_NORMAL: return "normal";
              default: return "unknown";
          }
      }
  
      private static String zenModeToString(int zenMode) {
          switch (zenMode) {
              case Global.ZEN_MODE_OFF: return "off";
              case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS: return "important_interruptions";
              case Global.ZEN_MODE_ALARMS: return "alarms";
              case Global.ZEN_MODE_NO_INTERRUPTIONS: return "no_interruptions";
              default: return "unknown";
          }
      }
  
      private static String hintsToString(int hints) {
          switch (hints) {
              case 0 : return "none";
              case NotificationListenerService.HINT_HOST_DISABLE_EFFECTS:
                      return "disable_effects";
              case NotificationListenerService.HINT_HOST_DISABLE_CALL_EFFECTS:
                      return "disable_call_effects";
              case NotificationListenerService.HINT_HOST_DISABLE_NOTIFICATION_EFFECTS:
                      return "disable_notification_effects";
              default: return Integer.toString(hints);
          }
      }
  
      private static String componentToString(ComponentName component) {
          return component != null ? component.toShortString() : null;
      }
  
      private static String componentListToString(List<ComponentName> components) {
          StringBuilder stringBuilder = new StringBuilder();
  
          for (int i = 0; i < components.size(); ++i) {
              if (i > 0) {
                  stringBuilder.append(", ");
              }
              stringBuilder.append(componentToString(components.get(i)));
          }
  
          return stringBuilder.toString();
      }
  
      private static void append(int type, String msg) {
          synchronized(MSGS) {
              TIMES[sNext] = System.currentTimeMillis();
              TYPES[sNext] = type;
              MSGS[sNext] = msg;
              sNext = (sNext + 1) % SIZE;
              if (sSize < SIZE) {
                  sSize++;
              }
          }
          if (DEBUG) Slog.d(TAG, typeToString(type) + ": " + msg);
      }
  
      public static void dump(PrintWriter pw, String prefix) {
          synchronized(MSGS) {
              final int start = (sNext - sSize + SIZE) % SIZE;
              for (int i = 0; i < sSize; i++) {
                  final int j = (start + i) % SIZE;
                  pw.print(prefix);
                  pw.print(FORMAT.format(new Date(TIMES[j])));
                  pw.print(' ');
                  pw.print(typeToString(TYPES[j]));
                  pw.print(": ");
                  pw.println(MSGS[j]);
              }
          }
      }
  }
  