content: /*
   * Copyright (C) 2018 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.internal.os.logging;
  
  import android.content.ComponentName;
  import android.content.Context;
  import android.content.pm.PackageManager.NameNotFoundException;
  import android.util.Pair;
  import android.util.StatsLog;
  import android.view.WindowManager.LayoutParams;
  
  import com.android.internal.logging.MetricsLogger;
  import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
  
  /**
   * Used to wrap different logging calls in one, so that client side code base is clean and more
   * readable.
   */
  public class MetricsLoggerWrapper {
  
      private static final int METRIC_VALUE_DISMISSED_BY_TAP = 0;
      private static final int METRIC_VALUE_DISMISSED_BY_DRAG = 1;
  
      public static void logPictureInPictureDismissByTap(Context context,
              Pair<ComponentName, Integer> topActivityInfo) {
          MetricsLogger.action(context, MetricsEvent.ACTION_PICTURE_IN_PICTURE_DISMISSED,
                  METRIC_VALUE_DISMISSED_BY_TAP);
          StatsLog.write(StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED,
                  getUid(context, topActivityInfo.first, topActivityInfo.second),
                  topActivityInfo.first.flattenToString(),
                  StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED__STATE__DISMISSED);
      }
  
      public static void logPictureInPictureDismissByDrag(Context context,
              Pair<ComponentName, Integer> topActivityInfo) {
          MetricsLogger.action(context,
                  MetricsEvent.ACTION_PICTURE_IN_PICTURE_DISMISSED,
                  METRIC_VALUE_DISMISSED_BY_DRAG);
          StatsLog.write(StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED,
                  getUid(context, topActivityInfo.first, topActivityInfo.second),
                  topActivityInfo.first.flattenToString(),
                  StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED__STATE__DISMISSED);
      }
  
      public static void logPictureInPictureMinimize(Context context, boolean isMinimized,
              Pair<ComponentName, Integer> topActivityInfo) {
          MetricsLogger.action(context, MetricsEvent.ACTION_PICTURE_IN_PICTURE_MINIMIZED,
                  isMinimized);
          StatsLog.write(StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED,
                  getUid(context, topActivityInfo.first, topActivityInfo.second),
                  topActivityInfo.first.flattenToString(),
                  StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED__STATE__MINIMIZED);
      }
  
      /**
       * Get uid from component name and user Id
       * @return uid. -1 if not found.
       */
      private static int getUid(Context context, ComponentName componentName, int userId) {
          int uid = -1;
          if (componentName == null) {
              return uid;
          }
          try {
              uid = context.getPackageManager().getApplicationInfoAsUser(
                      componentName.getPackageName(), 0, userId).uid;
          } catch (NameNotFoundException e) {
          }
          return uid;
      }
  
      public static void logPictureInPictureMenuVisible(Context context, boolean menuStateFull) {
          MetricsLogger.visibility(context, MetricsEvent.ACTION_PICTURE_IN_PICTURE_MENU,
                  menuStateFull);
      }
  
      public static void logPictureInPictureEnter(Context context,
              int uid, String shortComponentName, boolean supportsEnterPipOnTaskSwitch) {
          MetricsLogger.action(context, MetricsEvent.ACTION_PICTURE_IN_PICTURE_ENTERED,
                  supportsEnterPipOnTaskSwitch);
          StatsLog.write(StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED, uid,
                  shortComponentName,
                  StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED__STATE__ENTERED);
      }
  
      public static void logPictureInPictureFullScreen(Context context, int uid,
              String shortComponentName) {
          MetricsLogger.action(context,
                  MetricsEvent.ACTION_PICTURE_IN_PICTURE_EXPANDED_TO_FULLSCREEN);
          StatsLog.write(StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED,
                  uid,
                  shortComponentName,
                  StatsLog.PICTURE_IN_PICTURE_STATE_CHANGED__STATE__EXPANDED_TO_FULL_SCREEN);
      }
  
      public static void logAppOverlayEnter(int uid, String packageName, boolean changed, int type, boolean usingAlertWindow) {
          if (changed) {
              if (type != LayoutParams.TYPE_APPLICATION_OVERLAY) {
                  StatsLog.write(StatsLog.OVERLAY_STATE_CHANGED, uid, packageName, true,
                          StatsLog.OVERLAY_STATE_CHANGED__STATE__ENTERED);
              } else if (!usingAlertWindow){
                  StatsLog.write(StatsLog.OVERLAY_STATE_CHANGED, uid, packageName, false,
                          StatsLog.OVERLAY_STATE_CHANGED__STATE__ENTERED);
              }
          }
      }
  
      public static void logAppOverlayExit(int uid, String packageName, boolean changed, int type, boolean usingAlertWindow) {
          if (changed) {
              if (type != LayoutParams.TYPE_APPLICATION_OVERLAY) {
                  StatsLog.write(StatsLog.OVERLAY_STATE_CHANGED, uid, packageName, true,
                          StatsLog.OVERLAY_STATE_CHANGED__STATE__EXITED);
              } else if (!usingAlertWindow){
                  StatsLog.write(StatsLog.OVERLAY_STATE_CHANGED, uid, packageName, false,
                          StatsLog.OVERLAY_STATE_CHANGED__STATE__EXITED);
              }
          }
      }
  }
  