/*
 * 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.
 */

syntax = "proto2";
package com.android.server.usage;
import "frameworks/base/core/proto/android/content/configuration.proto";
import "frameworks/base/core/proto/android/privacy.proto";

option java_multiple_files = true;

message IntervalStatsProto {
  message StringPool {
    optional int32 size = 1;
    repeated string strings = 2;
  }

  message CountAndTime {
    optional int32 count = 1;
    optional int64 time_ms = 2;
  }

  // Stores the relevant information from a UsageStats
  message UsageStats {
    message ChooserAction {
      message CategoryCount {
        optional string name = 1;
        optional int32 count = 3;
      }
      optional string name = 1;
      repeated CategoryCount counts = 3;
    }
    optional string package = 1;
    // package_index contains the index + 1 of the package name in the string pool
    optional int32 package_index = 2;
    // Time attributes stored as an offset of the IntervalStats's beginTime.
    optional int64 last_time_active_ms = 3;
    optional int64 total_time_active_ms = 4;
    optional int32 last_event = 5;
    optional int32 app_launch_count = 6;
    repeated ChooserAction chooser_actions = 7;
    // Time attributes stored as an offset of the IntervalStats's beginTime.
    optional int64 last_time_service_used_ms = 8;
    optional int64 total_time_service_used_ms = 9;
    // Time attributes stored as an offset of the IntervalStats's beginTime.
    optional int64 last_time_visible_ms = 10;
    optional int64 total_time_visible_ms = 11;
  }

  // Stores the relevant information an IntervalStats will have about a Configuration
  message Configuration {
    optional .android.content.ConfigurationProto config = 1;
    optional int64 last_time_active_ms = 2;
    optional int64 total_time_active_ms = 3;
    optional int32 count = 4;
    optional bool active = 5;
  }

  // Stores the relevant information from a UsageEvents.Event
  message Event {
    optional string package = 1;
    // package_index contains the index + 1 of the package name in the string pool
    optional int32 package_index = 2;
    optional string class = 3;
    // class_index contains the index + 1 of the class name in the string pool
    optional int32 class_index = 4;
    optional int64 time_ms = 5;
    optional int32 flags = 6;
    optional int32 type = 7;
    optional .android.content.ConfigurationProto config = 8;
    optional string shortcut_id = 9;
    optional int32 standby_bucket = 11;
    optional string notification_channel = 12;
    // notification_channel_index contains the index + 1 of the channel name in the string pool
    optional int32 notification_channel_index = 13;
    // If class field is an Activity, instance_id is a unique id of the
    // Activity object.
    optional int32 instance_id = 14;
    // task_root_package_index contains the index + 1 of the task root package name in the string
    // pool
    optional int32 task_root_package_index = 15;
    // task_root_class_index contains the index + 1 of the task root class name in the string pool
    optional int32 task_root_class_index = 16;
  }

  // The following fields contain supplemental data used to build IntervalStats, such as a string
  // pool.
  optional int64 end_time_ms = 1;
  // stringpool contains all the package and class names used by UsageStats and Event
  // They will hold a number that is equal to the index + 1 of their string in the pool
  optional StringPool stringpool = 2;
  optional int32 major_version = 3;
  optional int32 minor_version = 4;

  // The following fields contain aggregated usage stats data
  optional CountAndTime interactive = 10;
  optional CountAndTime non_interactive = 11;
  optional CountAndTime keyguard_shown = 12;
  optional CountAndTime keyguard_hidden = 13;

  // The following fields contain listed usage stats data
  repeated UsageStats packages = 20;
  repeated Configuration configurations = 21;
  repeated Event event_log = 22;
}
