protos/launcher_atom.proto

/*
 * Copyright (C) 2020 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.logger";
option java_outer_classname = "LauncherAtom";

//
// ItemInfos
message ItemInfo {
  oneof Item {
    Application application = 1;
    Task task = 2;
    Shortcut shortcut = 3;
    Widget widget = 4;    
  }
  // When used for launch event, stores the global predictive rank
  optional int32 rank = 5;

  // Stores whether the Item belows to non primary user
  optional bool is_work = 6;

  // Item can be child node to parent container or parent containers (nested)
  optional ContainerInfo container_info = 7;

  // Stores the origin of the Item
  optional Origin source = 8;
}

// Represents various launcher surface where items are placed.
message ContainerInfo {
  oneof Container {
    WorkspaceContainer workspace = 1;
    HotseatContainer hotseat = 2;
    FolderContainer folder = 3;
    AllAppsContainer all_apps_container = 4;
  }
}

message AllAppsContainer {
}

enum Origin {
  UNKNOWN = 0;
  DEFAULT_LAYOUT = 1;       // icon automatically placed in workspace, folder, hotseat
  BACKUP_RESTORE = 2;       // icon layout restored from backup
  PINITEM = 3;              // from another app (e.g., Chrome's "Add to Home screen")
  ALLAPPS_ATOZ = 4;         // within launcher surface, all aps a-z
  WIDGETS = 5;              // within launcher, widgets tray
  ADD_TO_HOMESCREEN = 6;    // play install + launcher home setting
  ALLAPPS_PREDICTION = 7;   // from prediction bar in all apps container
  HOTSEAT_PREDICTION = 8;   // from prediction bar in hotseat container
}

// Main app icons
message Application {
  optional string package_name = 1;
  optional string component_name = 2;
}

// Legacy shortcuts and shortcuts handled by ShortcutManager
message Shortcut {
  optional string shortcut_name = 1;
}

// AppWidgets handled by AppWidgetManager
message Widget {
  optional int32 span_x = 1 [default = 1];
  optional int32 span_y = 2 [default = 1];
  optional int32 app_widget_id = 3;
  optional string package_name = 4; // only populated during snapshot if from workspace
  optional string component_name = 5; // only populated during snapshot if from workspace
}

// Tasks handled by PackageManager
message Task {
  optional string package_name = 1;
  optional string component_name = 2;
  optional int32 index = 3;
}

//////////////////////////////////////////////
// Containers

message WorkspaceContainer {
  optional int32 page_index = 1 [default = -2]; // range [-1, l], 0 is the index of the main homescreen
  optional int32 grid_x = 2 [default = -1]; // [0, m], m varies based on the display density and resolution
  optional int32 grid_y = 3 [default = -1]; // [0, n], n varies based on the display density and resolution
}

message HotseatContainer {
  optional int32 index = 1;
}

message FolderContainer {
  optional int32 page_index = 1 [default = -1];
  optional int32 grid_x = 2 [default = -1];
  optional int32 grid_y = 3 [default = -1];
  oneof ParentContainer {
    WorkspaceContainer workspace = 4;
    HotseatContainer hotseat = 5;
  }
}