/*
 * 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;
    FolderIcon folder_icon = 9;
  }
  // 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 Attribute attribute = 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;
    WidgetsContainer widgets_container = 5;
    PredictionContainer prediction_container = 6;
    SearchResultContainer search_result_container = 7;
    ShortcutsContainer shortcuts_container = 8;
    SettingsContainer settings_container = 9;
    PredictedHotseatContainer predicted_hotseat_container = 10;
    TaskSwitcherContainer task_switcher_container = 11;
    TaskForegroundContainer task_foreground_container = 12;
  }
}

// Represents the apps list sorted alphabetically inside the all-apps view.
message AllAppsContainer {
}

message WidgetsContainer {
}

// Represents the predicted apps row(top row) in the all-apps view.
message PredictionContainer {
}

// Represents the apps container within search results.
message SearchResultContainer {

  // Length of search term.
  optional int32 query_length = 1;

  // Container from where search was invoked.
  oneof ParentContainer {
    WorkspaceContainer workspace = 2;
    AllAppsContainer all_apps_container = 3;
  }
}

// Container for package specific shortcuts to deep links and notifications.
// Typically shown as popup window by longpressing on an icon.
message ShortcutsContainer {
}

// Container for generic system shortcuts for launcher specific settings.
// Typically shown up as popup window by longpressing on empty space on workspace.
message SettingsContainer {
}

// Container for tasks in the Overview UI.
// Typically entered using either the overview gesture or overview button.
message TaskSwitcherContainer {}

// Container for tasks from another foreground app, when not on launcher screen.
// Typically home gesture or overview gesture can be triggered from
// this container.
message TaskForegroundContainer {}

enum Attribute {
  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

  // Folder's label is one of the non-empty suggested values.
  SUGGESTED_LABEL = 9;

  // Folder's label is non-empty, manually entered by the user
  // and different from any of suggested values.
  MANUAL_LABEL = 10;

  // Folder's label is not yet assigned( i.e., title == null).
  // Eligible for auto-labeling.
  UNLABELED = 11;

  // Folder's label is empty(i.e., title == "").
  // Not eligible for auto-labeling.
  EMPTY_LABEL = 12;
}

// 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;
}

// Represents folder in a closed state.
message FolderIcon {
  // Number of items inside folder.
  optional int32 cardinality = 1;

  // State of the folder label before the event.
  optional FromState from_label_state = 2;

  // State of the folder label after the event.
  optional ToState to_label_state = 3;

  // Details about actual folder label.
  // Populated when folder label is not a PII.
  optional string label_info = 4;
}

//////////////////////////////////////////////
// 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;
}

// Represents hotseat container with prediction feature enabled.
message PredictedHotseatContainer {
  optional int32 index = 1;

  // No of hotseat positions filled with predicted items.
  optional int32 cardinality = 2;
}

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;
  }
}

// Represents state of EditText field before update.
enum FromState {
  // Default value.
  // Used when a FromState is not applicable, for example, during folder creation.
  FROM_STATE_UNSPECIFIED = 0;

  // EditText was empty.
  // Eg: When a folder label is updated from empty string.
  FROM_EMPTY = 1;

  // EditText was non-empty and manually entered by the user.
  // Eg: When a folder label is updated from a user-entered value.
  FROM_CUSTOM = 2;

  // EditText was non-empty and one of the suggestions.
  // Eg: When a folder label is updated from a suggested value.
  FROM_SUGGESTED = 3;
}

// Represents state of EditText field after update.
enum ToState {
  // Default value.
  // Used when ToState is not applicable, for example, when folder label is updated to a different
  // value when folder label suggestion feature is disabled.
  TO_STATE_UNSPECIFIED = 0;

  // User attempted to change the EditText, but was not changed.
  UNCHANGED = 1;

  // New label matches with primary(aka top) suggestion.
  TO_SUGGESTION0 = 2;

  // New value matches with second top suggestion even though the top suggestion was non-empty.
  TO_SUGGESTION1_WITH_VALID_PRIMARY = 3;

  // New value matches with second top suggestion given that top suggestion was empty.
  TO_SUGGESTION1_WITH_EMPTY_PRIMARY = 4;

  // New value matches with third top suggestion even though the top suggestion was non-empty.
  TO_SUGGESTION2_WITH_VALID_PRIMARY = 5;

  // New value matches with third top suggestion given that top suggestion was empty.
  TO_SUGGESTION2_WITH_EMPTY_PRIMARY = 6;

  // New value matches with 4th top suggestion even though the top suggestion was non-empty.
  TO_SUGGESTION3_WITH_VALID_PRIMARY = 7;

  // New value matches with 4th top suggestion given that top suggestion was empty.
  TO_SUGGESTION3_WITH_EMPTY_PRIMARY = 8;

  // New value is empty even though the top suggestion was non-empty.
  TO_EMPTY_WITH_VALID_PRIMARY = 9;

  // New value is empty given that top suggestion was empty.
  TO_EMPTY_WITH_VALID_SUGGESTIONS_AND_EMPTY_PRIMARY = 10;

  // New value is empty given that no suggestions were provided.
  TO_EMPTY_WITH_EMPTY_SUGGESTIONS = 11;

  // New value is empty given that suggestions feature was disabled.
  TO_EMPTY_WITH_SUGGESTIONS_DISABLED = 12;

  // New value is non-empty and does not match with any of the suggestions even though the top suggestion was non-empty.
  TO_CUSTOM_WITH_VALID_PRIMARY = 13;

  // New value is non-empty and not match with any suggestions given that top suggestion was empty.
  TO_CUSTOM_WITH_VALID_SUGGESTIONS_AND_EMPTY_PRIMARY = 14;

  // New value is non-empty and also no suggestions were provided.
  TO_CUSTOM_WITH_EMPTY_SUGGESTIONS = 15;

  // New value is non-empty and also suggestions feature was disable.
  TO_CUSTOM_WITH_SUGGESTIONS_DISABLED = 16;
}