// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Helper sync types for theme syncing.

// If you change or add any fields in this file, update proto_visitors.h and
// potentially proto_enum_conversions.{h, cc}.

syntax = "proto2";

option java_multiple_files = true;
option java_package = "org.chromium.components.sync.protocol";

option optimize_for = LITE_RUNTIME;

package sync_pb;

message UserColorTheme {
  enum BrowserColorVariant {
    BROWSER_COLOR_VARIANT_UNSPECIFIED = 0;
    SYSTEM = 1;
    TONAL_SPOT = 2;
    NEUTRAL = 3;
    VIBRANT = 4;
    EXPRESSIVE = 5;
  }
  optional uint32 color = 1;
  optional BrowserColorVariant browser_color_variant = 2;
}

// Custom NTP background info.
message NtpCustomBackground {
  // Background image url.
  optional string url = 1;
  // Attribution strings for the image.
  optional string attribution_line_1 = 2;
  optional string attribution_line_2 = 3;
  // Url to learn more info about the image.
  optional string attribution_action_url = 4;
  // Id of the collection being used.
  optional string collection_id = 5;
  // Token to get the next image from collection and avoid duplicates.
  optional string resume_token = 6;
  // Timestamp after which the next image should be fetched from the
  // collection.
  optional int64 refresh_timestamp_unix_epoch_seconds = 7;
  // Main color of the image.
  optional uint32 main_color = 8;
}