/*
 * 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.yf.scan.scanner.camera;

import android.content.SharedPreferences;
import com.yf.scan.scanner.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));
	}

}