Lights.h

/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <aidl/android/hardware/light/BnLights.h>

using namespace aidl::android::hardware::light;

struct Light {
    const HwLight hwLight;
    const std::string path;

    Light(HwLight hwLight, std::string path);
    inline virtual ~Light() {};

    virtual ndk::ScopedAStatus setLightState(const HwLightState &state) const = 0;
};

struct Backlight : public Light {
    const uint32_t maxBrightness;

    Backlight(HwLight hwLight, std::string path, uint32_t maxBrightness);
    static Backlight *createBacklight(HwLight hwLight, std::string path);
    inline virtual ~Backlight() {};

    ndk::ScopedAStatus setLightState(const HwLightState &state) const override;
};

struct Led : public Light {
    const uint32_t maxBrightness;

    Led(HwLight hwLight, std::string path, uint32_t maxBrightness);
    static Led *createLed(HwLight hwLight, std::string path);
    inline virtual ~Led() {};

    ndk::ScopedAStatus setLightState(const HwLightState &state) const override;
};

class Lights : public BnLights {
    ndk::ScopedAStatus setLightState(int id, const HwLightState &state) override;
    ndk::ScopedAStatus getLights(std::vector<HwLight> *types) override;

    std::vector<std::unique_ptr<Light>> lights;

public:
    Lights();
};