chrome/browser/ash/net/bluetooth_pref_state_observer.cc

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/ash/net/bluetooth_pref_state_observer.h"

#include "chrome/browser/ash/profiles/profile_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chromeos/ash/services/bluetooth_config/in_process_instance.h"
#include "components/device_event_log/device_event_log.h"
#include "components/prefs/pref_service.h"

namespace ash {

namespace {

void SetPrefs(Profile* profile, PrefService* local_state) {
  bluetooth_config::SetPrefs(profile ? profile->GetPrefs() : nullptr,
                             local_state);
}

}  // namespace

BluetoothPrefStateObserver::BluetoothPrefStateObserver(PrefService& local_state)
    : local_state_(local_state) {
  // Set CrosBluetoothConfig with device prefs only.
  SetPrefs(/*profile=*/nullptr, &local_state);
  session_observation_.Observe(session_manager::SessionManager::Get());
}

BluetoothPrefStateObserver::~BluetoothPrefStateObserver() {
  // Reset the pref services. We are explicitly setting device_prefs to null
  // instead of calling SetPrefs(nullptr) to ensure g_browser_process's
  // local_state isn't used, in case it's in a bad state. See
  // https://crbug.com/1261338.
  bluetooth_config::SetPrefs(/*logged_in_profile_prefs=*/nullptr,
                             /*device_prefs=*/nullptr);
}

void BluetoothPrefStateObserver::OnUserProfileLoaded(
    const AccountId& account_id) {
  Profile* profile = ProfileHelper::Get()->GetProfileByAccountId(account_id);
  CHECK(profile);

  // Only set the prefs for primary users.
  if (!ProfileHelper::IsPrimaryProfile(profile)) {
    BLUETOOTH_LOG(EVENT)
        << "User profile loaded, but user is not primary. Not setting "
        << "CrosBluetoothConfig with profile prefs service";
    return;
  }

  BLUETOOTH_LOG(EVENT) << "Primary profile loaded, setting CrosBluetoothConfig "
                       << "with profile prefs service";
  SetPrefs(profile, &local_state_.get());
  session_observation_.Reset();
}

}  // namespace ash