text: /*
   * Copyright (C) 2016 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.
   */
  #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 {
  
  struct Light : public ILight {
      Light(std::ofstream&& backlight, std::ofstream&& buttonlight, std::ofstream&& indicator);
  
      // 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;
  
  private:
      void setAttentionLight(const LightState& state);
      void setBacklight(const LightState& state);
      void setBatteryLight(const LightState& state);
      void setButtonLight(const LightState& state);
      void setNotificationLight(const LightState& state);
      void setSpeakerBatteryLightLocked();
      void setSpeakerLightLocked(const LightState& state);
  
      std::ofstream mBacklight;
      std::ofstream mButtonlight;
      std::ofstream mIndicator;
  
      LightState mAttentionState;
      LightState mBatteryState;
      LightState mNotificationState;
  
      std::unordered_map<Type, std::function<void(const LightState&)>> mLights;
      std::mutex mLock;
  };
  }  // namespace implementation
  }  // namespace V2_0
  }  // namespace light
  }  // namespace hardware
  }  // namespace android
  
  #endif  // ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
  