chrome/browser/tpcd/support/tpcd_support_service.h

// 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.

#ifndef CHROME_BROWSER_TPCD_SUPPORT_TPCD_SUPPORT_SERVICE_H_
#define CHROME_BROWSER_TPCD_SUPPORT_TPCD_SUPPORT_SERVICE_H_

#include "base/memory/raw_ptr.h"
#include "components/keyed_service/core/keyed_service.h"
#include "content/public/browser/origin_trial_status_change_details.h"
#include "content/public/browser/origin_trials_controller_delegate.h"

using content::OriginTrialStatusChangeDetails;

namespace content {
class BrowserContext;
}

class HostContentSettingsMap;

namespace tpcd::trial {

// A profile-keyed service that maintains TPCD_TRIAL content settings based on
// the state of the associated origin trial for a given
// `origin`-`partition_site` pair.
class TpcdTrialService
    : public content::OriginTrialsControllerDelegate::Observer,
      public KeyedService {
 public:
  explicit TpcdTrialService(content::BrowserContext* browser_context);
  ~TpcdTrialService() override;
  TpcdTrialService(const TpcdTrialService&) = delete;
  TpcdTrialService& operator=(const TpcdTrialService&) = delete;

  // KeyedService overrides:
  void Shutdown() override;

  void Update3pcdTrialSettingsForTesting(
      const OriginTrialStatusChangeDetails& details);

 private:
  // Updates `ContentSettingsForOneType::TPCD_TRIAL` to reflect the status of
  // the trial for `details.origin` (when embedded by `details.partition_site`).
  // If `details.match_subdomains` is true, a custom scope is used for the
  // content setting to match all subdomains of `details.origin`.
  void Update3pcdTrialSettings(const OriginTrialStatusChangeDetails& details);
  void ClearTpcdTrialSettings();

  void SyncTpcdTrialSettingsToNetworkService(
      HostContentSettingsMap* settings_map);

  // content::OriginTrialsControllerDelegate::Observer overrides:
  void OnStatusChanged(const OriginTrialStatusChangeDetails& details) override;
  void OnPersistedTokensCleared() override;
  std::string trial_name() override;

  raw_ptr<content::OriginTrialsControllerDelegate> ot_controller_;
  raw_ptr<content::BrowserContext> browser_context_;
};

}  // namespace tpcd::trial

#endif  // CHROME_BROWSER_TPCD_SUPPORT_TPCD_SUPPORT_SERVICE_H_