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/*
* Copyright (C) 2018-2020 The LineageOS 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.
*/
#ifndef ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
#define ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
#include <android/hardware/light/2.0/ILight.h>
#include <hidl/Status.h>
#include <fstream>
#include <mutex>
#include <unordered_map>
namespace android {
namespace hardware {
namespace light {
namespace V2_0 {
namespace implementation {
class Led {
private:
Led(const Led&) = delete;
Led& operator=(const Led&) = delete;
public:
Led(int index, const std::string& name);
Led(Led&&) = default;
virtual ~Led() {}
explicit operator bool() const;
bool operator!() const;
void off() { setBrightness(0); }
void setBrightness(int value);
void setBlink(int brightness, int onMs, int offMs);
private:
int mIndex;
std::string mName;
std::ofstream mBrightness;
std::ofstream mDutyPcts;
std::ofstream mStartIdx;
std::ofstream mPauseLo;
std::ofstream mPauseHi;
std::ofstream mRampStepMs;
std::ofstream mBlink;
};
struct Light : public ILight {
Light(std::pair<std::ofstream, uint32_t>&& lcd_backlight,
std::pair<std::ofstream, uint32_t>&& keyboard_backlight,
Led&& red_led, Led&& green_led, Led&& blue_led,
std::ofstream&& rgb_blink);
// Methods from ::android::hardware::light::V2_0::ILight follow.
Return<Status> setLight(Type type, const LightState& state) override;
Return<void> getSupportedTypes(getSupportedTypes_cb _hidl_cb) override;
void onSliderChanged(bool open);
private:
void setAttentionLight(const LightState& state);
void setBatteryLight(const LightState& state);
void setLcdBacklight(const LightState& state);
void setKeyboardBacklightLocked();
void setNotificationLight(const LightState& state);
void setSpeakerBatteryLightLocked();
void setSpeakerLightLocked(const LightState& state);
std::pair<std::ofstream, uint32_t> mLcdBacklight;
std::pair<std::ofstream, uint32_t> mKeyboardBacklight;
Led mRedLed;
Led mGreenLed;
Led mBlueLed;
std::ofstream mRgbBlink;
LightState mAttentionState;
LightState mBatteryState;
LightState mNotificationState;
std::unordered_map<Type, std::function<void(const LightState&)>> mLights;
std::mutex mLock;
bool mLcdBacklightOn;
bool mSliderOpen;
};
} // namespace implementation
} // namespace V2_0
} // namespace light
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
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