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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.server.location;
     18 
     19 import android.content.Context;
     20 import android.hardware.location.IFusedLocationHardware;
     21 import android.location.IFusedGeofenceHardware;
     22 import android.util.Log;
     23 
     24 /**
     25  * This class was an interop layer for JVM types and the JNI code that interacted
     26  * with the FLP HAL implementation.
     27  *
     28  * Now, after Treble FLP & GNSS HAL simplification, it is a thin shell that acts like the
     29  * pre-existing cases where there was no FLP Hardware support, to keep legacy users of this
     30  * class operating.
     31  *
     32  * {@hide}
     33  * {@Deprecated}
     34  */
     35 public class FlpHardwareProvider {
     36     private static FlpHardwareProvider sSingletonInstance = null;
     37 
     38     private final static String TAG = "FlpHardwareProvider";
     39 
     40     private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
     41 
     42     public static FlpHardwareProvider getInstance(Context context) {
     43         if (sSingletonInstance == null) {
     44             sSingletonInstance = new FlpHardwareProvider();
     45             if (DEBUG) Log.d(TAG, "getInstance() created empty provider");
     46         }
     47         return sSingletonInstance;
     48     }
     49 
     50     private FlpHardwareProvider() {
     51     }
     52 
     53     public static boolean isSupported() {
     54         if (DEBUG) Log.d(TAG, "isSupported() returning false");
     55         return false;
     56     }
     57 
     58     /**
     59      * Interface implementations for services built on top of this functionality.
     60      */
     61     public static final String LOCATION = "Location";
     62 
     63     public IFusedLocationHardware getLocationHardware() {
     64         return null;
     65     }
     66 
     67     public IFusedGeofenceHardware getGeofenceHardware() {
     68         return null;
     69     }
     70 
     71     public void cleanup() {
     72         if (DEBUG) Log.d(TAG, "empty cleanup()");
     73     }
     74 }
     75