content: /*
   * Copyright (C) 2012 ZXing authors
   *
   * 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.
   */
  
  package com.google.zxing.camera;
  
  import android.content.SharedPreferences;
  import com.google.zxing.config.Config;
  
  /**
   * Enumerates settings of the prefernce controlling the front light.
   */
  public enum FrontLightMode {
  
  	/** Always on. */
  	ON,
  	/** On only when ambient light is low. */
  	AUTO,
  	/** Always off. */
  	OFF;
  
  	private static FrontLightMode parse(String modeString) {
  		return modeString == null ? OFF : valueOf(modeString);
  	}
  
  	public static FrontLightMode readPref(SharedPreferences sharedPrefs) {
  		return parse(sharedPrefs.getString(
  				Config.KEY_FRONT_LIGHT_MODE, null));
  	}
  
  }
  