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// Copyright 2020 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.
#ifndef CHROMECAST_UI_DISPLAY_SETTINGS_COLOR_TEMPERATURE_ANIMATION_H_
#define CHROMECAST_UI_DISPLAY_SETTINGS_COLOR_TEMPERATURE_ANIMATION_H_
#include "chromecast/ui/display_settings_manager.h"
#include "ui/gfx/animation/animation_delegate.h"
#include "ui/gfx/animation/linear_animation.h"
namespace chromecast {
namespace shell {
class CastDisplayConfigurator;
}
// Defines a linear animation type to animate the color temperature between two
// values in a given time duration.
class ColorTemperatureAnimation : public gfx::LinearAnimation {
public:
ColorTemperatureAnimation(
shell::CastDisplayConfigurator* display_configurator,
const DisplaySettingsManager::ColorTemperatureConfig& config);
ColorTemperatureAnimation(const ColorTemperatureAnimation&) = delete;
ColorTemperatureAnimation& operator=(const ColorTemperatureAnimation&) =
delete;
~ColorTemperatureAnimation() override;
// Starts a new temperature animation from the |current_temperature_| to the
// given |new_target_temperature| in the given |duration|.
void AnimateToNewValue(float new_target_temperature,
base::TimeDelta duration);
// Animate to a neutral temperature value, with no color transformations
// applied.
void AnimateToNeutral(base::TimeDelta duration);
private:
// gfx::LinearAnimation implementation:
void AnimateToState(double state) override;
void ApplyValuesToDisplay();
shell::CastDisplayConfigurator* const display_configurator_;
const DisplaySettingsManager::ColorTemperatureConfig config_;
float start_temperature_;
float current_temperature_;
float target_temperature_;
};
} // namespace chromecast
#endif // CHROMECAST_UI_DISPLAY_SETTINGS_COLOR_TEMPERATURE_ANIMATION_H_