content: /*
   * Copyright (C) 2019 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 android.service.contentcapture;
  
  import android.annotation.IntDef;
  import android.annotation.NonNull;
  import android.annotation.SystemApi;
  import android.annotation.TestApi;
  import android.app.usage.UsageEvents.Event;
  import android.content.ComponentName;
  import android.os.Parcel;
  import android.os.Parcelable;
  
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  
  /**
   * Represents an activity-level event that is not associated with a session.
   *
   * @hide
   */
  @SystemApi
  @TestApi
  public final class ActivityEvent implements Parcelable {
  
      /**
       * The activity resumed.
       */
      public static final int TYPE_ACTIVITY_RESUMED = Event.ACTIVITY_RESUMED;
  
      /**
       * The activity paused.
       */
      public static final int TYPE_ACTIVITY_PAUSED = Event.ACTIVITY_PAUSED;
  
      /**
       * The activity stopped.
       */
      public static final int TYPE_ACTIVITY_STOPPED = Event.ACTIVITY_STOPPED;
  
      /**
       * The activity was destroyed.
       */
      public static final int TYPE_ACTIVITY_DESTROYED = Event.ACTIVITY_DESTROYED;
  
      /** @hide */
      @IntDef(prefix = { "TYPE_" }, value = {
              TYPE_ACTIVITY_RESUMED,
              TYPE_ACTIVITY_PAUSED,
              TYPE_ACTIVITY_STOPPED,
              TYPE_ACTIVITY_DESTROYED
      })
      @Retention(RetentionPolicy.SOURCE)
      public @interface ActivityEventType{}
  
      private final @NonNull ComponentName mComponentName;
      private final @ActivityEventType int mType;
  
      /** @hide */
      public ActivityEvent(@NonNull ComponentName componentName, @ActivityEventType int type) {
          mComponentName = componentName;
          mType = type;
      }
  
      /**
       * Gests the {@link ComponentName} of the activity associated with the event.
       */
      @NonNull
      public ComponentName getComponentName() {
          return mComponentName;
      }
  
      /**
       * Gets the event type.
       *
       * @return either {@link #TYPE_ACTIVITY_RESUMED}, {@value #TYPE_ACTIVITY_PAUSED},
       * {@value #TYPE_ACTIVITY_STOPPED}, or {@value #TYPE_ACTIVITY_DESTROYED}.
       */
      @ActivityEventType
      public int getEventType() {
          return mType;
      }
  
      /** @hide */
      public static String getTypeAsString(@ActivityEventType int type) {
          switch (type) {
              case TYPE_ACTIVITY_RESUMED:
                  return "ACTIVITY_RESUMED";
              case TYPE_ACTIVITY_PAUSED:
                  return "ACTIVITY_PAUSED";
              case TYPE_ACTIVITY_STOPPED:
                  return "ACTIVITY_STOPPED";
              case TYPE_ACTIVITY_DESTROYED:
                  return "ACTIVITY_DESTROYED";
              default:
                  return "UKNOWN_TYPE: " + type;
          }
      }
  
      @Override
      public String toString() {
          return new StringBuilder("ActivityEvent[").append(mComponentName.toShortString())
                  .append("]:").append(getTypeAsString(mType)).toString();
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(@NonNull Parcel parcel, int flags) {
          parcel.writeParcelable(mComponentName, flags);
          parcel.writeInt(mType);
      }
  
      public static final @android.annotation.NonNull Creator<ActivityEvent> CREATOR =
              new Creator<ActivityEvent>() {
  
          @Override
          @NonNull
          public ActivityEvent createFromParcel(@NonNull Parcel parcel) {
              final ComponentName componentName = parcel.readParcelable(null);
              final int eventType = parcel.readInt();
              return new ActivityEvent(componentName, eventType);
          }
  
          @Override
          @NonNull
          public ActivityEvent[] newArray(int size) {
              return new ActivityEvent[size];
          }
      };
  }
  