services/network/public/mojom/attribution.mojom

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module network.mojom;

// Indicates whether web or OS-level Attribution Reporting is supported.
// See https://github.com/WICG/attribution-reporting-api/blob/main/app_to_web.md.
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
//
// LINT.IfChange(AttributionSupport)
enum AttributionSupport {
  kWeb = 0,
  kWebAndOs = 1,
  kOs = 2,
  // Neither web nor OS is supported.
  kNone = 3,
  // The support value is unknown, e.g. within service worker.
  kUnset = 4,
};
// LINT.ThenChange(//tools/metrics/histograms/enums.xml:ConversionRequestSupportHeader)

// Controls the value of the Attribution-Reporting-Eligible request header, if
// any. This header controls which registrations a response is allowed to
// register. In most contexts, by default, a response is allowed to register
// triggers when the header is omitted.
enum AttributionReportingEligibility {
  // The header is not set.
  kUnset,
  // The header is set to the empty string.
  kEmpty,
  // The header contains `event-source`.
  kEventSource,
  // The header contains `navigation-source`.
  kNavigationSource,
  // The header contains `trigger`.
  kTrigger,
  // The header contains `event-source, trigger`.
  kEventSourceOrTrigger,
};