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/*
 * Copyright (C) 2016 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";

option java_package = "com.android.launcher3.userevent.nano";
option java_outer_classname = "LauncherLogProto";

package userevent;

message Target {
  enum Type {
    NONE = 0;
    ITEM = 1;
    CONTROL = 2;
    CONTAINER = 3;
  }

  optional Type type = 1;

  // For container type and item type
  // Used mainly for ContainerType.FOLDER, ItemType.*
  optional int32 page_index = 2;
  optional int32 rank = 3;
  optional int32 grid_x = 4;
  optional int32 grid_y = 5;

  // For container types only
  optional ContainerType container_type = 6;
  optional int32 cardinality = 7;

  // For control types only
  optional ControlType control_type = 8;

  // For item types only
  optional ItemType item_type = 9;
  optional int32 package_name_hash = 10;
  optional int32 component_hash = 11;      // Used for ItemType.WIDGET
  optional int32 intent_hash = 12;         // Used for ItemType.SHORTCUT
  optional int32 span_x = 13 [default = 1];// Used for ItemType.WIDGET
  optional int32 span_y = 14 [default = 1];// Used for ItemType.WIDGET
  optional int32 predictedRank = 15;
}

// Used to define what type of item a Target would represent.
enum ItemType {
  DEFAULT_ITEMTYPE = 0;
  APP_ICON = 1;
  SHORTCUT = 2;
  WIDGET = 3;
  FOLDER_ICON = 4;
  DEEPSHORTCUT = 5;
}

// Used to define what type of container a Target would represent.
enum ContainerType {
  DEFAULT_CONTAINERTYPE = 0;
  WORKSPACE = 1;
  HOTSEAT = 2;
  FOLDER = 3;
  ALLAPPS = 4;
  WIDGETS = 5;
  OVERVIEW = 6;
  PREDICTION = 7;
  SEARCHRESULT = 8;
  DEEPSHORTCUTS = 9;
}

// Used to define what type of control a Target would represent.
enum ControlType {
  DEFAULT_CONTROLTYPE = 0;
  ALL_APPS_BUTTON = 1;
  WIDGETS_BUTTON = 2;
  WALLPAPER_BUTTON = 3;
  SETTINGS_BUTTON = 4;
  REMOVE_TARGET = 5;
  UNINSTALL_TARGET = 6;
  APPINFO_TARGET = 7;
  RESIZE_HANDLE = 8;
  VERTICAL_SCROLL = 9;
  // HOME, BACK, GO_TO_PLAYSTORE
}

// Used to define the action component of the LauncherEvent.
message Action {
  enum Type {
    TOUCH = 0;
    AUTOMATED = 1;
    // SOFT_KEYBOARD, HARD_KEYBOARD, ASSIST
  }
  enum Touch {
    TAP = 0;
    LONGPRESS = 1;
    DRAGDROP = 2;
    SWIPE = 3;
    FLING = 4;
    PINCH = 5;
  }
 enum Direction {
    NONE = 0;
    UP = 1;
    DOWN = 2;
    LEFT = 3;
    RIGHT = 4;
  }
  optional Type type = 1;
  optional Touch touch = 2;
  optional Direction dir = 3;
}

//
// Context free grammar of typical user interaction:
//         Action (Touch) + Target
//         Action (Touch) + Target + Target
//
message LauncherEvent {

  required Action action = 1;

  // List of targets that touch actions can be operated on.
  repeated Target src_target = 2;
  repeated Target dest_target = 3;

  optional int64 action_duration_millis = 4;
  optional int64 elapsed_container_millis = 5;
  optional int64 elapsed_session_millis = 6;
}