| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| syntax = "proto2"; |
| |
| option optimize_for = LITE_RUNTIME; |
| |
| package metrics; |
| |
| import "system_profile.proto"; |
| |
| // Provides information about the launch of an item (such as an app or a file) |
| // from the ChromeOS launcher. One event is recorded for every launch |
| // originating from any launcher UI component, and this is the only circumstance |
| // that records events. All fields prefixed with "hashed_" are hashed-and- |
| // peppered values: the value is concatenated with a user-specific secret value, |
| // and then hashed. For privacy reasons this process is designed to be one-way, |
| // so that the server cannot easily recover the original values. |
| // |
| // Next tag: 9 |
| message ChromeOSAppListLaunchEventProto { |
| // A per-user, per-client ID that is used only for app list launch event |
| // logging. |
| optional fixed64 recurrence_ranker_user_id = 1; |
| |
| // Enumerates the different UI components of the launcher that a user can |
| // perform a launch from. |
| enum LaunchType { |
| // No launch type specified. This is invalid and will cause the event to be |
| // dropped. |
| LAUNCH_TYPE_UNSPECIFIED = 0; |
| // Launches from the zero-state suggested apps chips or app search result |
| // tiles. |
| APP_TILES = 1; |
| // Launches from the non-apps search result list. |
| RESULTS_LIST = 2; |
| } |
| optional LaunchType launch_type = 2; |
| |
| // Hour of the day from 0 to 23 inclusive. This is the user's local time |
| // rounded to the nearest hour. |
| optional int32 hour = 3; |
| |
| // String length of the search query associated with this launch. If there was |
| // no query, this is zero. |
| optional int32 search_query_length = 4; |
| |
| // Below here, all fields are hashed data. |
| |
| // The hashed target item of the launch, eg. an app ID, filepath, or omnibox |
| // suggestion. |
| optional fixed64 hashed_target = 5; |
| |
| // The hashed search query associated with the launch. Before hashing, the |
| // query is the empty string if there is no search query for this launch. |
| optional fixed64 hashed_query = 6; |
| |
| // Hashed of the most-recently-visited domain when this launch occurred. |
| optional fixed64 hashed_domain = 7; |
| |
| // Hash of the app ID of the most-recently-opened app when this launch |
| // occurred. This can be an app ID of a Chrome app, Arc++ app, or PWA. |
| optional fixed64 hashed_app = 8; |
| } |