crespo: Long Term Orbits (LTO)

Change-Id: Ia247de8c4541bbde738ab154dbb084bedf1a78b8

cmhw/org/cyanogenmod/hardware/LongTermOrbits.java

@@ -0,0 +1,62 @@
+/*
+ * 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; }
+
+}