blob: 4d2464408d3b264bbb176da22c10e42133acbc62 [file] [log] [blame]
// 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.
#include "ash/public/cpp/night_light_controller.h"
#include "base/logging.h"
namespace ash {
namespace {
NightLightController* g_night_light_controller = nullptr;
}
// static
NightLightController* NightLightController::GetInstance() {
return g_night_light_controller;
}
NightLightController::NightLightController() {
DCHECK(!g_night_light_controller);
g_night_light_controller = this;
}
NightLightController::~NightLightController() {
DCHECK_EQ(g_night_light_controller, this);
g_night_light_controller = nullptr;
}
void NightLightController::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void NightLightController::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
} // namespace ash