/*
 * Copyright (C) 2013 The CyanogenMod 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.
 */

package org.cyanogenmod.hardware;

import java.io.File;

/**
 * Long Term Orbits (LTO) support.
 */
public class LongTermOrbits {

    // We use the "7 day" data file
    private static final String LTO_SRC = "http://gllto.glpals.com/7day/v2/latest/lto2.dat";
    private static final File LTO_DST = new File("/data/gps/lto.dat");
    private static final long DOWNLOAD_INTERVAL_DEFAULT = 259200000; /* 3 days */

    /**
     * Whether device supports the LTO technology.
     *
     * @return boolean Supported devices must return always true.
     */
    public static boolean isSupported() { return true; }

    /**
     * Returns the source location of the LTO data.
     *
     * @return String The LTO source location.
     */
    public static String getSourceLocation() { return LTO_SRC; }

    /**
     * Returns the source location of the LTO data.
     *
     * @return File The LTO source location.
     */
    public static File getDestinationLocation() { return LTO_DST; }

    /**
     * Returns the interval in milliseconds to trigger the LTO data download.<br/>
     * <br/>
     * As convenience, implementations should set the download interval to the half of the
     * validity of the downloaded data.
     *
     * @return long The download interval in milliseconds
     */
    public static long getDownloadInterval() { return DOWNLOAD_INTERVAL_DEFAULT; }

}