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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_AMBIENT_MODEL_AMBIENT_WEATHER_MODEL_H_
#define ASH_AMBIENT_MODEL_AMBIENT_WEATHER_MODEL_H_
#include "ash/ash_export.h"
#include "base/observer_list.h"
#include "ui/gfx/image/image_skia.h"
namespace ash {
class AmbientWeatherModelObserver;
// Stores information about the current weather, including an icon representing
// weather conditions (a sun, a cloud, etc.).
class ASH_EXPORT AmbientWeatherModel {
public:
AmbientWeatherModel();
AmbientWeatherModel(const AmbientWeatherModel&) = delete;
AmbientWeatherModel& operator=(AmbientWeatherModel&) = delete;
~AmbientWeatherModel();
void AddObserver(AmbientWeatherModelObserver* observer);
void RemoveObserver(AmbientWeatherModelObserver* observer);
// Updates the weather information and notifies observers.
void UpdateWeatherInfo(const gfx::ImageSkia& weather_condition_icon,
float temperature_fahrenheit,
bool show_celsius);
// Checks if the model has not been fully updated. Currently there's no way to
// check if the temperature field is a valid value or not.
bool IsIncomplete() const { return weather_condition_icon_.isNull(); }
// Returns the cached condition icon. Will return a null image if it has not
// been set yet.
const gfx::ImageSkia& weather_condition_icon() const {
return weather_condition_icon_;
}
// Returns the cached temperature value in Fahrenheit.
float temperature_fahrenheit() const { return temperature_fahrenheit_; }
// Calculate the temperature in celsius.
float GetTemperatureInCelsius() const;
bool show_celsius() const { return show_celsius_; }
private:
void NotifyWeatherInfoUpdated();
// Current weather information.
gfx::ImageSkia weather_condition_icon_;
float temperature_fahrenheit_ = 0.0f;
bool show_celsius_ = false;
base::ObserverList<AmbientWeatherModelObserver> observers_;
};
} // namespace ash
#endif // ASH_AMBIENT_MODEL_AMBIENT_WEATHER_MODEL_H_
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