1781 lines
68 KiB
Java
1781 lines
68 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.location;
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import android.app.AlarmManager;
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import android.app.PendingIntent;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.location.Criteria;
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import android.location.IGpsStatusListener;
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import android.location.IGpsStatusProvider;
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import android.location.ILocationManager;
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import android.location.INetInitiatedListener;
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import android.location.Location;
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import android.location.LocationManager;
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import android.location.LocationProvider;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.net.NetworkUtils;
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import android.net.SntpClient;
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import android.net.Uri;
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import android.os.Binder;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.IBinder;
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import android.os.Looper;
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import android.os.Message;
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import android.os.PowerManager;
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import android.os.Process;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.os.SystemClock;
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import android.os.WorkSource;
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import android.provider.Settings;
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import android.provider.Telephony.Carriers;
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import android.provider.Telephony.Sms.Intents;
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import android.telephony.SmsMessage;
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import android.telephony.TelephonyManager;
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import android.telephony.gsm.GsmCellLocation;
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import android.util.Log;
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import android.util.SparseIntArray;
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import android.database.Cursor;
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import com.android.internal.app.IBatteryStats;
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import com.android.internal.location.GpsNetInitiatedHandler;
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import com.android.internal.location.GpsNetInitiatedHandler.GpsNiNotification;
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import com.android.internal.telephony.Phone;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.StringBufferInputStream;
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import java.net.InetAddress;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.Map.Entry;
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import java.util.Properties;
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import java.util.concurrent.CountDownLatch;
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/**
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* A GPS implementation of LocationProvider used by LocationManager.
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*
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* {@hide}
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*/
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public class GpsLocationProvider implements LocationProviderInterface {
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private static final String TAG = "GpsLocationProvider";
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private static final boolean DEBUG = false;
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private static final boolean VERBOSE = false;
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// these need to match GpsPositionMode enum in gps.h
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private static final int GPS_POSITION_MODE_STANDALONE = 0;
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private static final int GPS_POSITION_MODE_MS_BASED = 1;
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private static final int GPS_POSITION_MODE_MS_ASSISTED = 2;
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// these need to match GpsPositionRecurrence enum in gps.h
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private static final int GPS_POSITION_RECURRENCE_PERIODIC = 0;
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private static final int GPS_POSITION_RECURRENCE_SINGLE = 1;
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// these need to match GpsStatusValue defines in gps.h
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private static final int GPS_STATUS_NONE = 0;
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private static final int GPS_STATUS_SESSION_BEGIN = 1;
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private static final int GPS_STATUS_SESSION_END = 2;
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private static final int GPS_STATUS_ENGINE_ON = 3;
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private static final int GPS_STATUS_ENGINE_OFF = 4;
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// these need to match GpsApgsStatusValue defines in gps.h
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/** AGPS status event values. */
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private static final int GPS_REQUEST_AGPS_DATA_CONN = 1;
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private static final int GPS_RELEASE_AGPS_DATA_CONN = 2;
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private static final int GPS_AGPS_DATA_CONNECTED = 3;
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private static final int GPS_AGPS_DATA_CONN_DONE = 4;
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private static final int GPS_AGPS_DATA_CONN_FAILED = 5;
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// these need to match GpsLocationFlags enum in gps.h
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private static final int LOCATION_INVALID = 0;
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private static final int LOCATION_HAS_LAT_LONG = 1;
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private static final int LOCATION_HAS_ALTITUDE = 2;
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private static final int LOCATION_HAS_SPEED = 4;
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private static final int LOCATION_HAS_BEARING = 8;
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private static final int LOCATION_HAS_ACCURACY = 16;
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// IMPORTANT - the GPS_DELETE_* symbols here must match constants in gps.h
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private static final int GPS_DELETE_EPHEMERIS = 0x00000001;
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private static final int GPS_DELETE_ALMANAC = 0x00000002;
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private static final int GPS_DELETE_POSITION = 0x00000004;
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private static final int GPS_DELETE_TIME = 0x00000008;
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private static final int GPS_DELETE_IONO = 0x00000010;
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private static final int GPS_DELETE_UTC = 0x00000020;
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private static final int GPS_DELETE_HEALTH = 0x00000040;
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private static final int GPS_DELETE_SVDIR = 0x00000080;
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private static final int GPS_DELETE_SVSTEER = 0x00000100;
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private static final int GPS_DELETE_SADATA = 0x00000200;
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private static final int GPS_DELETE_RTI = 0x00000400;
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private static final int GPS_DELETE_CELLDB_INFO = 0x00000800;
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private static final int GPS_DELETE_ALMANAC_CORR = 0x00001000;
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private static final int GPS_DELETE_FREQ_BIAS_EST = 0x00002000;
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private static final int GPS_DELETE_EPHEMERIS_GLO = 0x00004000;
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private static final int GPS_DELETE_ALMANAC_GLO = 0x00008000;
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private static final int GPS_DELETE_SVDIR_GLO = 0x00010000;
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private static final int GPS_DELETE_SVSTEER_GLO = 0x00020000;
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private static final int GPS_DELETE_ALMANAC_CORR_GLO = 0x00040000;
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private static final int GPS_DELETE_TIME_GPS = 0x00080000;
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private static final int GPS_DELETE_TIME_GLO = 0x00100000;
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private static final int GPS_DELETE_ALL = 0xFFFFFFFF;
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// The GPS_CAPABILITY_* flags must match the values in gps.h
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private static final int GPS_CAPABILITY_SCHEDULING = 0x0000001;
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private static final int GPS_CAPABILITY_MSB = 0x0000002;
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private static final int GPS_CAPABILITY_MSA = 0x0000004;
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private static final int GPS_CAPABILITY_SINGLE_SHOT = 0x0000008;
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// Handler messages
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private static final int CHECK_LOCATION = 1;
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private static final int ENABLE = 2;
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private static final int ENABLE_TRACKING = 3;
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private static final int UPDATE_NETWORK_STATE = 4;
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private static final int INJECT_NTP_TIME = 5;
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private static final int DOWNLOAD_XTRA_DATA = 6;
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private static final int UPDATE_LOCATION = 7;
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private static final int ADD_LISTENER = 8;
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private static final int REMOVE_LISTENER = 9;
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private static final int REQUEST_SINGLE_SHOT = 10;
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// Request setid
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private static final int AGPS_RIL_REQUEST_SETID_IMSI = 1;
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private static final int AGPS_RIL_REQUEST_SETID_MSISDN = 2;
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// Request ref location
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private static final int AGPS_RIL_REQUEST_REFLOC_CELLID = 1;
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private static final int AGPS_RIL_REQUEST_REFLOC_MAC = 2;
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// ref. location info
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private static final int AGPS_REF_LOCATION_TYPE_GSM_CELLID = 1;
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private static final int AGPS_REF_LOCATION_TYPE_UMTS_CELLID = 2;
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private static final int AGPS_REG_LOCATION_TYPE_MAC = 3;
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// set id info
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private static final int AGPS_SETID_TYPE_NONE = 0;
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private static final int AGPS_SETID_TYPE_IMSI = 1;
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private static final int AGPS_SETID_TYPE_MSISDN = 2;
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private static final String PROPERTIES_FILE = "/etc/gps.conf";
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private int mLocationFlags = LOCATION_INVALID;
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// current status
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private int mStatus = LocationProvider.TEMPORARILY_UNAVAILABLE;
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// time for last status update
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private long mStatusUpdateTime = SystemClock.elapsedRealtime();
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// turn off GPS fix icon if we haven't received a fix in 10 seconds
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private static final long RECENT_FIX_TIMEOUT = 10 * 1000;
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// stop trying if we do not receive a fix within 60 seconds
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private static final int NO_FIX_TIMEOUT = 60 * 1000;
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// true if we are enabled
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private volatile boolean mEnabled;
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// true if we have network connectivity
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private boolean mNetworkAvailable;
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// flags to trigger NTP or XTRA data download when network becomes available
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// initialized to true so we do NTP and XTRA when the network comes up after booting
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private boolean mInjectNtpTimePending = true;
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private boolean mDownloadXtraDataPending = false;
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// true if GPS is navigating
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private boolean mNavigating;
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// true if GPS engine is on
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private boolean mEngineOn;
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// requested frequency of fixes, in milliseconds
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private int mFixInterval = 1000;
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// true if we started navigation
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private boolean mStarted;
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// true if single shot request is in progress
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private boolean mSingleShot;
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// capabilities of the GPS engine
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private int mEngineCapabilities;
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// true if XTRA is supported
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private boolean mSupportsXtra;
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// for calculating time to first fix
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private long mFixRequestTime = 0;
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// time to first fix for most recent session
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private int mTTFF = 0;
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// time we received our last fix
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private long mLastFixTime;
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private int mPositionMode;
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// properties loaded from PROPERTIES_FILE
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private Properties mProperties;
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private String mNtpServer;
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private String mSuplServerHost;
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private int mSuplServerPort;
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private String mC2KServerHost;
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private int mC2KServerPort;
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private final Context mContext;
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private final ILocationManager mLocationManager;
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private Location mLocation = new Location(LocationManager.GPS_PROVIDER);
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private Bundle mLocationExtras = new Bundle();
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private ArrayList<Listener> mListeners = new ArrayList<Listener>();
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// GpsLocationProvider's handler thread
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private final Thread mThread;
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// Handler for processing events in mThread.
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private Handler mHandler;
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// Used to signal when our main thread has initialized everything
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private final CountDownLatch mInitializedLatch = new CountDownLatch(1);
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private final ConnectivityManager mConnMgr;
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private final GpsNetInitiatedHandler mNIHandler;
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// Wakelocks
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private final static String WAKELOCK_KEY = "GpsLocationProvider";
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private final PowerManager.WakeLock mWakeLock;
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// bitfield of pending messages to our Handler
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// used only for messages that cannot have multiple instances queued
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private int mPendingMessageBits;
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// separate counter for ADD_LISTENER and REMOVE_LISTENER messages,
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// which might have multiple instances queued
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private int mPendingListenerMessages;
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// Alarms
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private final static String ALARM_WAKEUP = "com.android.internal.location.ALARM_WAKEUP";
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private final static String ALARM_TIMEOUT = "com.android.internal.location.ALARM_TIMEOUT";
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private final AlarmManager mAlarmManager;
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private final PendingIntent mWakeupIntent;
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private final PendingIntent mTimeoutIntent;
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private final IBatteryStats mBatteryStats;
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private final SparseIntArray mClientUids = new SparseIntArray();
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// how often to request NTP time, in milliseconds
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// current setting 4 hours
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private static final long NTP_INTERVAL = 12*60*60*1000;
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// how long to wait if we have a network error in NTP or XTRA downloading
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// current setting - 5 minutes
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private static final long RETRY_INTERVAL = 5*60*1000;
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// to avoid injecting bad NTP time, we reject any time fixes that differ from system time
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// by more than 5 minutes.
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private static final long MAX_NTP_SYSTEM_TIME_OFFSET = 5*60*1000;
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private final IGpsStatusProvider mGpsStatusProvider = new IGpsStatusProvider.Stub() {
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public void addGpsStatusListener(IGpsStatusListener listener) throws RemoteException {
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if (listener == null) {
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throw new NullPointerException("listener is null in addGpsStatusListener");
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}
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synchronized(mListeners) {
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IBinder binder = listener.asBinder();
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int size = mListeners.size();
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for (int i = 0; i < size; i++) {
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Listener test = mListeners.get(i);
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if (binder.equals(test.mListener.asBinder())) {
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// listener already added
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return;
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}
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}
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Listener l = new Listener(listener);
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binder.linkToDeath(l, 0);
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mListeners.add(l);
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}
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}
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public void removeGpsStatusListener(IGpsStatusListener listener) {
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if (listener == null) {
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throw new NullPointerException("listener is null in addGpsStatusListener");
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}
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synchronized(mListeners) {
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IBinder binder = listener.asBinder();
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Listener l = null;
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int size = mListeners.size();
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for (int i = 0; i < size && l == null; i++) {
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Listener test = mListeners.get(i);
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if (binder.equals(test.mListener.asBinder())) {
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l = test;
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}
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}
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if (l != null) {
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mListeners.remove(l);
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binder.unlinkToDeath(l, 0);
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}
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}
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}
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};
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public IGpsStatusProvider getGpsStatusProvider() {
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return mGpsStatusProvider;
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}
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private final BroadcastReceiver mBroadcastReciever = new BroadcastReceiver() {
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@Override public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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if (action.equals(ALARM_WAKEUP)) {
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if (DEBUG) Log.d(TAG, "ALARM_WAKEUP");
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startNavigating(false);
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} else if (action.equals(ALARM_TIMEOUT)) {
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if (DEBUG) Log.d(TAG, "ALARM_TIMEOUT");
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hibernate();
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} else if (action.equals(Intents.DATA_SMS_RECEIVED_ACTION)) {
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checkSmsSuplInit(intent);
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} else if (action.equals(Intents.WAP_PUSH_RECEIVED_ACTION)) {
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checkWapSuplInit(intent);
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}
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}
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};
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private void checkSmsSuplInit(Intent intent) {
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SmsMessage[] messages = Intents.getMessagesFromIntent(intent);
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for (int i=0; i <messages.length; i++) {
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byte[] supl_init = messages[i].getUserData();
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native_agps_ni_message(supl_init,supl_init.length);
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}
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}
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private void checkWapSuplInit(Intent intent) {
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byte[] supl_init = (byte[]) intent.getExtra("data");
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native_agps_ni_message(supl_init,supl_init.length);
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}
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public static boolean isSupported() {
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return native_is_supported();
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}
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public GpsLocationProvider(Context context, ILocationManager locationManager) {
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mContext = context;
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mLocationManager = locationManager;
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mNIHandler = new GpsNetInitiatedHandler(context);
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mLocation.setExtras(mLocationExtras);
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// Create a wake lock
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PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
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mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, WAKELOCK_KEY);
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mWakeLock.setReferenceCounted(false);
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mAlarmManager = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE);
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mWakeupIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ALARM_WAKEUP), 0);
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mTimeoutIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ALARM_TIMEOUT), 0);
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IntentFilter intentFilter = new IntentFilter();
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intentFilter.addAction(Intents.DATA_SMS_RECEIVED_ACTION);
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intentFilter.addDataScheme("sms");
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intentFilter.addDataAuthority("localhost","7275");
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context.registerReceiver(mBroadcastReciever, intentFilter);
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intentFilter = new IntentFilter();
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intentFilter.addAction(Intents.WAP_PUSH_RECEIVED_ACTION);
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try {
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intentFilter.addDataType("application/vnd.omaloc-supl-init");
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} catch (IntentFilter.MalformedMimeTypeException e) {
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Log.w(TAG, "Malformed SUPL init mime type");
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}
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context.registerReceiver(mBroadcastReciever, intentFilter);
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mConnMgr = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
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// Battery statistics service to be notified when GPS turns on or off
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mBatteryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService("batteryinfo"));
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mProperties = new Properties();
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try {
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File file = new File(PROPERTIES_FILE);
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FileInputStream stream = new FileInputStream(file);
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mProperties.load(stream);
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stream.close();
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mNtpServer = mProperties.getProperty("NTP_SERVER", null);
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mSuplServerHost = mProperties.getProperty("SUPL_HOST");
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String portString = mProperties.getProperty("SUPL_PORT");
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if (mSuplServerHost != null && portString != null) {
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try {
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mSuplServerPort = Integer.parseInt(portString);
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} catch (NumberFormatException e) {
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Log.e(TAG, "unable to parse SUPL_PORT: " + portString);
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}
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}
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mC2KServerHost = mProperties.getProperty("C2K_HOST");
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portString = mProperties.getProperty("C2K_PORT");
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if (mC2KServerHost != null && portString != null) {
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try {
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mC2KServerPort = Integer.parseInt(portString);
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} catch (NumberFormatException e) {
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Log.e(TAG, "unable to parse C2K_PORT: " + portString);
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}
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}
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} catch (IOException e) {
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Log.w(TAG, "Could not open GPS configuration file " + PROPERTIES_FILE);
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}
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// wait until we are fully initialized before returning
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mThread = new GpsLocationProviderThread();
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mThread.start();
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while (true) {
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try {
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mInitializedLatch.await();
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break;
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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}
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}
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}
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private void initialize() {
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// register our receiver on our thread rather than the main thread
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IntentFilter intentFilter = new IntentFilter();
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intentFilter.addAction(ALARM_WAKEUP);
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intentFilter.addAction(ALARM_TIMEOUT);
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mContext.registerReceiver(mBroadcastReciever, intentFilter);
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}
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/**
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* Returns the name of this provider.
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*/
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public String getName() {
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return LocationManager.GPS_PROVIDER;
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}
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/**
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* Returns true if the provider requires access to a
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* data network (e.g., the Internet), false otherwise.
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*/
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public boolean requiresNetwork() {
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return true;
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}
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|
|
public void updateNetworkState(int state, NetworkInfo info) {
|
|
sendMessage(UPDATE_NETWORK_STATE, state, info);
|
|
}
|
|
|
|
private void handleUpdateNetworkState(int state, NetworkInfo info) {
|
|
mNetworkAvailable = (state == LocationProvider.AVAILABLE);
|
|
|
|
if (DEBUG) {
|
|
Log.d(TAG, "updateNetworkState " + (mNetworkAvailable ? "available" : "unavailable")
|
|
+ " info: " + info);
|
|
}
|
|
|
|
if (info != null) {
|
|
boolean dataEnabled = Settings.Secure.getInt(mContext.getContentResolver(),
|
|
Settings.Secure.MOBILE_DATA, 1) == 1;
|
|
boolean networkAvailable = info.isAvailable() && dataEnabled;
|
|
String default_apn = getSelectedApn();
|
|
if (null == default_apn)
|
|
{
|
|
default_apn = "dummy-apn";
|
|
}
|
|
|
|
native_update_network_state(info.isConnected(), info.getType(),
|
|
info.isRoaming(), networkAvailable,
|
|
info.getExtraInfo(), default_apn);
|
|
|
|
int connType = (ConnectivityManager.TYPE_MOBILE_SUPL == info.getType()) ?
|
|
AGpsConnectionInfo.CONNECTION_TYPE_SUPL : AGpsConnectionInfo.CONNECTION_TYPE_WWAN_ANY;
|
|
AGpsConnectionInfo agpsConnInfo = getAGpsConnectionInfo(connType);
|
|
if (null != agpsConnInfo &&
|
|
agpsConnInfo.mState == AGpsConnectionInfo.STATE_OPENING) {
|
|
if (mNetworkAvailable) {
|
|
String apnName = info.getExtraInfo();
|
|
if (apnName == null) {
|
|
/* We use the value we read out from the database. That value itself
|
|
is default to "dummy-apn" if no value from database. */
|
|
apnName = default_apn;
|
|
}
|
|
agpsConnInfo.mAPN = apnName;
|
|
String ipv4Apn = info.getIpv4Apn();
|
|
String ipv6Apn = info.getIpv6Apn();
|
|
if (null == ipv6Apn || !ipv6Apn.equals(apnName)) {
|
|
agpsConnInfo.mBearerType = agpsConnInfo.BEARER_IPV4;
|
|
} else if (null == ipv4Apn || !ipv4Apn.equals(apnName)) {
|
|
agpsConnInfo.mBearerType = agpsConnInfo.BEARER_IPV6;
|
|
} else {
|
|
agpsConnInfo.mBearerType = agpsConnInfo.BEARER_IPV4V6;
|
|
}
|
|
|
|
if (agpsConnInfo.mIPv4Addr != null) {
|
|
boolean route_result;
|
|
Log.d(TAG, "agpsConnInfo.mIPv4Addr " + agpsConnInfo.mIPv4Addr.toString());
|
|
route_result = mConnMgr.requestRouteToHostAddress(agpsConnInfo.mCMConnType,
|
|
agpsConnInfo.mIPv4Addr);
|
|
if (route_result == false)
|
|
Log.d(TAG, "call requestRouteToHostAddress failed");
|
|
}
|
|
if (DEBUG) Log.d(TAG, "call native_agps_data_conn_open");
|
|
native_agps_data_conn_open(agpsConnInfo.mAgpsType, apnName, agpsConnInfo.mBearerType);
|
|
agpsConnInfo.mState = AGpsConnectionInfo.STATE_OPEN;
|
|
} else {
|
|
if (DEBUG) Log.d(TAG, "call native_agps_data_conn_failed");
|
|
agpsConnInfo.mAPN = null;
|
|
agpsConnInfo.mState = AGpsConnectionInfo.STATE_CLOSED;
|
|
native_agps_data_conn_failed(agpsConnInfo.mAgpsType);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mNetworkAvailable) {
|
|
if (mInjectNtpTimePending) {
|
|
sendMessage(INJECT_NTP_TIME, 0, null);
|
|
}
|
|
if (mDownloadXtraDataPending) {
|
|
sendMessage(DOWNLOAD_XTRA_DATA, 0, null);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void handleInjectNtpTime() {
|
|
if (!mNetworkAvailable) {
|
|
// try again when network is up
|
|
mInjectNtpTimePending = true;
|
|
return;
|
|
}
|
|
mInjectNtpTimePending = false;
|
|
|
|
SntpClient client = new SntpClient();
|
|
long delay;
|
|
|
|
if (client.requestTime(mNtpServer, 10000)) {
|
|
long time = client.getNtpTime();
|
|
long timeReference = client.getNtpTimeReference();
|
|
int certainty = (int)(client.getRoundTripTime()/2);
|
|
long now = System.currentTimeMillis();
|
|
|
|
Log.d(TAG, "NTP server returned: "
|
|
+ time + " (" + new Date(time)
|
|
+ ") reference: " + timeReference
|
|
+ " certainty: " + certainty
|
|
+ " system time offset: " + (time - now));
|
|
|
|
native_inject_time(time, timeReference, certainty);
|
|
delay = NTP_INTERVAL;
|
|
} else {
|
|
if (DEBUG) Log.d(TAG, "requestTime failed");
|
|
delay = RETRY_INTERVAL;
|
|
}
|
|
|
|
// send delayed message for next NTP injection
|
|
// since this is delayed and not urgent we do not hold a wake lock here
|
|
mHandler.removeMessages(INJECT_NTP_TIME);
|
|
mHandler.sendMessageDelayed(Message.obtain(mHandler, INJECT_NTP_TIME), delay);
|
|
}
|
|
|
|
private void handleDownloadXtraData() {
|
|
if (!mNetworkAvailable) {
|
|
// try again when network is up
|
|
mDownloadXtraDataPending = true;
|
|
return;
|
|
}
|
|
mDownloadXtraDataPending = false;
|
|
|
|
|
|
GpsXtraDownloader xtraDownloader = new GpsXtraDownloader(mContext, mProperties);
|
|
byte[] data = xtraDownloader.downloadXtraData();
|
|
if (data != null) {
|
|
if (DEBUG) {
|
|
Log.d(TAG, "calling native_inject_xtra_data");
|
|
}
|
|
native_inject_xtra_data(data, data.length);
|
|
} else {
|
|
// try again later
|
|
// since this is delayed and not urgent we do not hold a wake lock here
|
|
mHandler.removeMessages(DOWNLOAD_XTRA_DATA);
|
|
mHandler.sendMessageDelayed(Message.obtain(mHandler, DOWNLOAD_XTRA_DATA), RETRY_INTERVAL);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This is called to inform us when another location provider returns a location.
|
|
* Someday we might use this for network location injection to aid the GPS
|
|
*/
|
|
public void updateLocation(Location location) {
|
|
sendMessage(UPDATE_LOCATION, 0, location);
|
|
}
|
|
|
|
private void handleUpdateLocation(Location location) {
|
|
if (location.hasAccuracy()) {
|
|
native_inject_location(location.getLatitude(), location.getLongitude(),
|
|
location.getAccuracy());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns true if the provider requires access to a
|
|
* satellite-based positioning system (e.g., GPS), false
|
|
* otherwise.
|
|
*/
|
|
public boolean requiresSatellite() {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the provider requires access to an appropriate
|
|
* cellular network (e.g., to make use of cell tower IDs), false
|
|
* otherwise.
|
|
*/
|
|
public boolean requiresCell() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the use of this provider may result in a
|
|
* monetary charge to the user, false if use is free. It is up to
|
|
* each provider to give accurate information.
|
|
*/
|
|
public boolean hasMonetaryCost() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the provider is able to provide altitude
|
|
* information, false otherwise. A provider that reports altitude
|
|
* under most circumstances but may occassionally not report it
|
|
* should return true.
|
|
*/
|
|
public boolean supportsAltitude() {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the provider is able to provide speed
|
|
* information, false otherwise. A provider that reports speed
|
|
* under most circumstances but may occassionally not report it
|
|
* should return true.
|
|
*/
|
|
public boolean supportsSpeed() {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the provider is able to provide bearing
|
|
* information, false otherwise. A provider that reports bearing
|
|
* under most circumstances but may occassionally not report it
|
|
* should return true.
|
|
*/
|
|
public boolean supportsBearing() {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns the power requirement for this provider.
|
|
*
|
|
* @return the power requirement for this provider, as one of the
|
|
* constants Criteria.POWER_REQUIREMENT_*.
|
|
*/
|
|
public int getPowerRequirement() {
|
|
return Criteria.POWER_HIGH;
|
|
}
|
|
|
|
/**
|
|
* Returns true if this provider meets the given criteria,
|
|
* false otherwise.
|
|
*/
|
|
public boolean meetsCriteria(Criteria criteria) {
|
|
return (criteria.getPowerRequirement() != Criteria.POWER_LOW);
|
|
}
|
|
|
|
/**
|
|
* Returns the horizontal accuracy of this provider
|
|
*
|
|
* @return the accuracy of location from this provider, as one
|
|
* of the constants Criteria.ACCURACY_*.
|
|
*/
|
|
public int getAccuracy() {
|
|
return Criteria.ACCURACY_FINE;
|
|
}
|
|
|
|
/**
|
|
* Enables this provider. When enabled, calls to getStatus()
|
|
* must be handled. Hardware may be started up
|
|
* when the provider is enabled.
|
|
*/
|
|
public void enable() {
|
|
synchronized (mHandler) {
|
|
sendMessage(ENABLE, 1, null);
|
|
}
|
|
}
|
|
|
|
private void handleEnable() {
|
|
if (DEBUG) Log.d(TAG, "handleEnable");
|
|
if (mEnabled) return;
|
|
mEnabled = native_init();
|
|
|
|
if (mEnabled) {
|
|
mSupportsXtra = native_supports_xtra();
|
|
if (mSuplServerHost != null) {
|
|
native_set_agps_server(AGpsConnectionInfo.CONNECTION_TYPE_SUPL, mSuplServerHost, mSuplServerPort);
|
|
}
|
|
if (mC2KServerHost != null) {
|
|
native_set_agps_server(AGpsConnectionInfo.CONNECTION_TYPE_C2K, mC2KServerHost, mC2KServerPort);
|
|
}
|
|
} else {
|
|
Log.w(TAG, "Failed to enable location provider");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Disables this provider. When disabled, calls to getStatus()
|
|
* need not be handled. Hardware may be shut
|
|
* down while the provider is disabled.
|
|
*/
|
|
public void disable() {
|
|
synchronized (mHandler) {
|
|
sendMessage(ENABLE, 0, null);
|
|
}
|
|
}
|
|
|
|
private void handleDisable() {
|
|
if (DEBUG) Log.d(TAG, "handleDisable");
|
|
if (!mEnabled) return;
|
|
|
|
mEnabled = false;
|
|
stopNavigating();
|
|
|
|
// do this before releasing wakelock
|
|
native_cleanup();
|
|
}
|
|
|
|
public boolean isEnabled() {
|
|
return mEnabled;
|
|
}
|
|
|
|
public int getStatus(Bundle extras) {
|
|
if (extras != null) {
|
|
extras.putInt("satellites", mSvCount);
|
|
}
|
|
return mStatus;
|
|
}
|
|
|
|
private void updateStatus(int status, int svCount) {
|
|
if (status != mStatus || svCount != mSvCount) {
|
|
mStatus = status;
|
|
mSvCount = svCount;
|
|
mLocationExtras.putInt("satellites", svCount);
|
|
mStatusUpdateTime = SystemClock.elapsedRealtime();
|
|
}
|
|
}
|
|
|
|
public long getStatusUpdateTime() {
|
|
return mStatusUpdateTime;
|
|
}
|
|
|
|
public void enableLocationTracking(boolean enable) {
|
|
// FIXME - should set a flag here to avoid race conditions with single shot request
|
|
synchronized (mHandler) {
|
|
sendMessage(ENABLE_TRACKING, (enable ? 1 : 0), null);
|
|
}
|
|
}
|
|
|
|
private void handleEnableLocationTracking(boolean enable) {
|
|
if (enable) {
|
|
mTTFF = 0;
|
|
mLastFixTime = 0;
|
|
startNavigating(false);
|
|
} else {
|
|
if (!hasCapability(GPS_CAPABILITY_SCHEDULING)) {
|
|
mAlarmManager.cancel(mWakeupIntent);
|
|
mAlarmManager.cancel(mTimeoutIntent);
|
|
}
|
|
stopNavigating();
|
|
}
|
|
}
|
|
|
|
public boolean requestSingleShotFix() {
|
|
if (mStarted) {
|
|
// cannot do single shot if already navigating
|
|
return false;
|
|
}
|
|
synchronized (mHandler) {
|
|
mHandler.removeMessages(REQUEST_SINGLE_SHOT);
|
|
Message m = Message.obtain(mHandler, REQUEST_SINGLE_SHOT);
|
|
mHandler.sendMessage(m);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private void handleRequestSingleShot() {
|
|
mTTFF = 0;
|
|
mLastFixTime = 0;
|
|
startNavigating(true);
|
|
}
|
|
|
|
public void setMinTime(long minTime, WorkSource ws) {
|
|
if (DEBUG) Log.d(TAG, "setMinTime " + minTime);
|
|
|
|
if (minTime >= 0) {
|
|
mFixInterval = (int)minTime;
|
|
|
|
if (mStarted && hasCapability(GPS_CAPABILITY_SCHEDULING)) {
|
|
if (!native_set_position_mode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC,
|
|
mFixInterval, 0, 0)) {
|
|
Log.e(TAG, "set_position_mode failed in setMinTime()");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public String getInternalState() {
|
|
return native_get_internal_state();
|
|
}
|
|
|
|
private final class Listener implements IBinder.DeathRecipient {
|
|
final IGpsStatusListener mListener;
|
|
|
|
int mSensors = 0;
|
|
|
|
Listener(IGpsStatusListener listener) {
|
|
mListener = listener;
|
|
}
|
|
|
|
public void binderDied() {
|
|
if (DEBUG) Log.d(TAG, "GPS status listener died");
|
|
|
|
synchronized(mListeners) {
|
|
mListeners.remove(this);
|
|
}
|
|
if (mListener != null) {
|
|
mListener.asBinder().unlinkToDeath(this, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void addListener(int uid) {
|
|
synchronized (mWakeLock) {
|
|
mPendingListenerMessages++;
|
|
mWakeLock.acquire();
|
|
Message m = Message.obtain(mHandler, ADD_LISTENER);
|
|
m.arg1 = uid;
|
|
mHandler.sendMessage(m);
|
|
}
|
|
}
|
|
|
|
private void handleAddListener(int uid) {
|
|
synchronized(mListeners) {
|
|
if (mClientUids.indexOfKey(uid) >= 0) {
|
|
// Shouldn't be here -- already have this uid.
|
|
Log.w(TAG, "Duplicate add listener for uid " + uid);
|
|
return;
|
|
}
|
|
mClientUids.put(uid, 0);
|
|
if (mNavigating) {
|
|
try {
|
|
mBatteryStats.noteStartGps(uid);
|
|
} catch (RemoteException e) {
|
|
Log.w(TAG, "RemoteException in addListener");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public void removeListener(int uid) {
|
|
synchronized (mWakeLock) {
|
|
mPendingListenerMessages++;
|
|
mWakeLock.acquire();
|
|
Message m = Message.obtain(mHandler, REMOVE_LISTENER);
|
|
m.arg1 = uid;
|
|
mHandler.sendMessage(m);
|
|
}
|
|
}
|
|
|
|
private void handleRemoveListener(int uid) {
|
|
synchronized(mListeners) {
|
|
if (mClientUids.indexOfKey(uid) < 0) {
|
|
// Shouldn't be here -- don't have this uid.
|
|
Log.w(TAG, "Unneeded remove listener for uid " + uid);
|
|
return;
|
|
}
|
|
mClientUids.delete(uid);
|
|
if (mNavigating) {
|
|
try {
|
|
mBatteryStats.noteStopGps(uid);
|
|
} catch (RemoteException e) {
|
|
Log.w(TAG, "RemoteException in removeListener");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public boolean sendExtraCommand(String command, Bundle extras) {
|
|
|
|
long identity = Binder.clearCallingIdentity();
|
|
boolean result = false;
|
|
|
|
if ("delete_aiding_data".equals(command)) {
|
|
result = deleteAidingData(extras);
|
|
} else if ("force_time_injection".equals(command)) {
|
|
sendMessage(INJECT_NTP_TIME, 0, null);
|
|
result = true;
|
|
} else if ("force_xtra_injection".equals(command)) {
|
|
if (mSupportsXtra) {
|
|
xtraDownloadRequest();
|
|
result = true;
|
|
}
|
|
} else {
|
|
if (native_inject_raw_command(command.getBytes(), command.length()) == false)
|
|
result = true;
|
|
}
|
|
|
|
Binder.restoreCallingIdentity(identity);
|
|
return result;
|
|
}
|
|
|
|
private boolean deleteAidingData(Bundle extras) {
|
|
int flags;
|
|
|
|
if (extras == null) {
|
|
flags = GPS_DELETE_ALL;
|
|
} else {
|
|
flags = 0;
|
|
if (extras.getBoolean("ephemeris")) flags |= GPS_DELETE_EPHEMERIS;
|
|
if (extras.getBoolean("almanac")) flags |= GPS_DELETE_ALMANAC;
|
|
if (extras.getBoolean("position")) flags |= GPS_DELETE_POSITION;
|
|
if (extras.getBoolean("time")) flags |= GPS_DELETE_TIME;
|
|
if (extras.getBoolean("iono")) flags |= GPS_DELETE_IONO;
|
|
if (extras.getBoolean("utc")) flags |= GPS_DELETE_UTC;
|
|
if (extras.getBoolean("health")) flags |= GPS_DELETE_HEALTH;
|
|
if (extras.getBoolean("svdir")) flags |= GPS_DELETE_SVDIR;
|
|
if (extras.getBoolean("svsteer")) flags |= GPS_DELETE_SVSTEER;
|
|
if (extras.getBoolean("sadata")) flags |= GPS_DELETE_SADATA;
|
|
if (extras.getBoolean("rti")) flags |= GPS_DELETE_RTI;
|
|
if (extras.getBoolean("celldb-info")) flags |= GPS_DELETE_CELLDB_INFO;
|
|
if (extras.getBoolean("almanac-corr")) flags |= GPS_DELETE_ALMANAC_CORR;
|
|
if (extras.getBoolean("freq-bias-est")) flags |= GPS_DELETE_FREQ_BIAS_EST;
|
|
if (extras.getBoolean("ephemeris-GLO")) flags |= GPS_DELETE_EPHEMERIS_GLO;
|
|
if (extras.getBoolean("almanac-GLO")) flags |= GPS_DELETE_ALMANAC_GLO;
|
|
if (extras.getBoolean("svdir-GLO")) flags |= GPS_DELETE_SVDIR_GLO;
|
|
if (extras.getBoolean("svsteer-GLO")) flags |= GPS_DELETE_SVSTEER_GLO;
|
|
if (extras.getBoolean("almanac-corr-GLO")) flags |= GPS_DELETE_ALMANAC_CORR_GLO;
|
|
if (extras.getBoolean("time-gps")) flags |= GPS_DELETE_TIME_GPS;
|
|
if (extras.getBoolean("time-GLO")) flags |= GPS_DELETE_TIME_GLO;
|
|
if (extras.getBoolean("all")) flags |= GPS_DELETE_ALL;
|
|
}
|
|
|
|
if (flags != 0) {
|
|
native_delete_aiding_data(flags);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private void startNavigating(boolean singleShot) {
|
|
if (!mStarted) {
|
|
if (DEBUG) Log.d(TAG, "startNavigating");
|
|
mStarted = true;
|
|
mSingleShot = singleShot;
|
|
mPositionMode = GPS_POSITION_MODE_STANDALONE;
|
|
|
|
if (Settings.Secure.getInt(mContext.getContentResolver(),
|
|
Settings.Secure.ASSISTED_GPS_ENABLED, 1) != 0) {
|
|
if (singleShot && hasCapability(GPS_CAPABILITY_MSA)) {
|
|
mPositionMode = GPS_POSITION_MODE_MS_ASSISTED;
|
|
} else if (hasCapability(GPS_CAPABILITY_MSB)) {
|
|
mPositionMode = GPS_POSITION_MODE_MS_BASED;
|
|
}
|
|
}
|
|
|
|
int interval = (hasCapability(GPS_CAPABILITY_SCHEDULING) ? mFixInterval : 1000);
|
|
if (!native_set_position_mode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC,
|
|
interval, 0, 0)) {
|
|
mStarted = false;
|
|
Log.e(TAG, "set_position_mode failed in startNavigating()");
|
|
return;
|
|
}
|
|
if (!native_start()) {
|
|
mStarted = false;
|
|
Log.e(TAG, "native_start failed in startNavigating()");
|
|
return;
|
|
}
|
|
|
|
// reset SV count to zero
|
|
updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, 0);
|
|
mFixRequestTime = System.currentTimeMillis();
|
|
if (!hasCapability(GPS_CAPABILITY_SCHEDULING)) {
|
|
// set timer to give up if we do not receive a fix within NO_FIX_TIMEOUT
|
|
// and our fix interval is not short
|
|
if (mFixInterval >= NO_FIX_TIMEOUT) {
|
|
mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
|
|
SystemClock.elapsedRealtime() + NO_FIX_TIMEOUT, mTimeoutIntent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void stopNavigating() {
|
|
if (DEBUG) Log.d(TAG, "stopNavigating");
|
|
if (mStarted) {
|
|
mStarted = false;
|
|
mSingleShot = false;
|
|
native_stop();
|
|
mTTFF = 0;
|
|
mLastFixTime = 0;
|
|
mLocationFlags = LOCATION_INVALID;
|
|
|
|
// reset SV count to zero
|
|
updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, 0);
|
|
}
|
|
}
|
|
|
|
private void hibernate() {
|
|
// stop GPS until our next fix interval arrives
|
|
stopNavigating();
|
|
mAlarmManager.cancel(mTimeoutIntent);
|
|
mAlarmManager.cancel(mWakeupIntent);
|
|
long now = SystemClock.elapsedRealtime();
|
|
mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
|
|
SystemClock.elapsedRealtime() + mFixInterval, mWakeupIntent);
|
|
}
|
|
|
|
private boolean hasCapability(int capability) {
|
|
return ((mEngineCapabilities & capability) != 0);
|
|
}
|
|
|
|
/**
|
|
* called from native code to update our position.
|
|
*/
|
|
private void reportLocation(int flags, double latitude, double longitude, double altitude,
|
|
float speed, float bearing, float accuracy, long timestamp, byte[] rawData) {
|
|
if (VERBOSE) Log.v(TAG, "reportLocation lat: " + latitude + " long: " + longitude +
|
|
" timestamp: " + timestamp);
|
|
|
|
synchronized (mLocation) {
|
|
mLocationFlags = flags;
|
|
if ((flags & LOCATION_HAS_LAT_LONG) == LOCATION_HAS_LAT_LONG) {
|
|
mLocation.setLatitude(latitude);
|
|
mLocation.setLongitude(longitude);
|
|
mLocation.setTime(timestamp);
|
|
}
|
|
if ((flags & LOCATION_HAS_ALTITUDE) == LOCATION_HAS_ALTITUDE) {
|
|
mLocation.setAltitude(altitude);
|
|
} else {
|
|
mLocation.removeAltitude();
|
|
}
|
|
if ((flags & LOCATION_HAS_SPEED) == LOCATION_HAS_SPEED) {
|
|
mLocation.setSpeed(speed);
|
|
} else {
|
|
mLocation.removeSpeed();
|
|
}
|
|
if ((flags & LOCATION_HAS_BEARING) == LOCATION_HAS_BEARING) {
|
|
mLocation.setBearing(bearing);
|
|
} else {
|
|
mLocation.removeBearing();
|
|
}
|
|
if ((flags & LOCATION_HAS_ACCURACY) == LOCATION_HAS_ACCURACY) {
|
|
mLocation.setAccuracy(accuracy);
|
|
} else {
|
|
mLocation.removeAccuracy();
|
|
}
|
|
|
|
if (rawData.length > 0) {
|
|
mLocationExtras.putByteArray("RawData", rawData);
|
|
} else {
|
|
mLocationExtras.remove("RawData");
|
|
}
|
|
mLocation.setExtras(mLocationExtras);
|
|
|
|
try {
|
|
mLocationManager.reportLocation(mLocation, false);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "RemoteException calling reportLocation");
|
|
}
|
|
}
|
|
|
|
mLastFixTime = System.currentTimeMillis();
|
|
// report time to first fix
|
|
if (mTTFF == 0 && (flags & LOCATION_HAS_LAT_LONG) == LOCATION_HAS_LAT_LONG) {
|
|
mTTFF = (int)(mLastFixTime - mFixRequestTime);
|
|
if (DEBUG) Log.d(TAG, "TTFF: " + mTTFF);
|
|
|
|
// notify status listeners
|
|
synchronized(mListeners) {
|
|
int size = mListeners.size();
|
|
for (int i = 0; i < size; i++) {
|
|
Listener listener = mListeners.get(i);
|
|
try {
|
|
listener.mListener.onFirstFix(mTTFF);
|
|
} catch (RemoteException e) {
|
|
Log.w(TAG, "RemoteException in stopNavigating");
|
|
mListeners.remove(listener);
|
|
// adjust for size of list changing
|
|
size--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mSingleShot) {
|
|
stopNavigating();
|
|
}
|
|
if (mStarted && mStatus != LocationProvider.AVAILABLE) {
|
|
// we want to time out if we do not receive a fix
|
|
// within the time out and we are requesting infrequent fixes
|
|
if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && mFixInterval < NO_FIX_TIMEOUT) {
|
|
mAlarmManager.cancel(mTimeoutIntent);
|
|
}
|
|
|
|
// send an intent to notify that the GPS is receiving fixes.
|
|
Intent intent = new Intent(LocationManager.GPS_FIX_CHANGE_ACTION);
|
|
intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, true);
|
|
mContext.sendBroadcast(intent);
|
|
updateStatus(LocationProvider.AVAILABLE, mSvCount);
|
|
}
|
|
|
|
if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && mStarted && mFixInterval > 1000) {
|
|
if (DEBUG) Log.d(TAG, "got fix, hibernating");
|
|
hibernate();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* called from native code to update our status
|
|
*/
|
|
private void reportStatus(int status) {
|
|
if (DEBUG) Log.v(TAG, "reportStatus status: " + status);
|
|
|
|
synchronized(mListeners) {
|
|
boolean wasNavigating = mNavigating;
|
|
|
|
switch (status) {
|
|
case GPS_STATUS_SESSION_BEGIN:
|
|
mNavigating = true;
|
|
mEngineOn = true;
|
|
break;
|
|
case GPS_STATUS_SESSION_END:
|
|
mNavigating = false;
|
|
break;
|
|
case GPS_STATUS_ENGINE_ON:
|
|
mEngineOn = true;
|
|
break;
|
|
case GPS_STATUS_ENGINE_OFF:
|
|
mEngineOn = false;
|
|
mNavigating = false;
|
|
break;
|
|
}
|
|
|
|
if (wasNavigating != mNavigating) {
|
|
int size = mListeners.size();
|
|
for (int i = 0; i < size; i++) {
|
|
Listener listener = mListeners.get(i);
|
|
try {
|
|
if (mNavigating) {
|
|
listener.mListener.onGpsStarted();
|
|
} else {
|
|
listener.mListener.onGpsStopped();
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.w(TAG, "RemoteException in reportStatus");
|
|
mListeners.remove(listener);
|
|
// adjust for size of list changing
|
|
size--;
|
|
}
|
|
}
|
|
|
|
try {
|
|
// update battery stats
|
|
for (int i=mClientUids.size() - 1; i >= 0; i--) {
|
|
int uid = mClientUids.keyAt(i);
|
|
if (mNavigating) {
|
|
mBatteryStats.noteStartGps(uid);
|
|
} else {
|
|
mBatteryStats.noteStopGps(uid);
|
|
}
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.w(TAG, "RemoteException in reportStatus");
|
|
}
|
|
|
|
// send an intent to notify that the GPS has been enabled or disabled.
|
|
Intent intent = new Intent(LocationManager.GPS_ENABLED_CHANGE_ACTION);
|
|
intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, mNavigating);
|
|
mContext.sendBroadcast(intent);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* called from native code to update SV info
|
|
*/
|
|
private void reportSvStatus() {
|
|
|
|
int svCount = native_read_sv_status(mSvs, mSnrs, mSvElevations, mSvAzimuths, mSvMasks);
|
|
|
|
synchronized(mListeners) {
|
|
int size = mListeners.size();
|
|
for (int i = 0; i < size; i++) {
|
|
Listener listener = mListeners.get(i);
|
|
try {
|
|
listener.mListener.onSvStatusChanged(svCount, mSvs, mSnrs,
|
|
mSvElevations, mSvAzimuths, mSvMasks[EPHEMERIS_MASK],
|
|
mSvMasks[ALMANAC_MASK], mSvMasks[USED_FOR_FIX_MASK]);
|
|
} catch (RemoteException e) {
|
|
Log.w(TAG, "RemoteException in reportSvInfo");
|
|
mListeners.remove(listener);
|
|
// adjust for size of list changing
|
|
size--;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (VERBOSE) {
|
|
Log.v(TAG, "SV count: " + svCount +
|
|
" ephemerisMask: " + Integer.toHexString(mSvMasks[EPHEMERIS_MASK]) +
|
|
" almanacMask: " + Integer.toHexString(mSvMasks[ALMANAC_MASK]));
|
|
for (int i = 0; i < svCount; i++) {
|
|
Log.v(TAG, "sv: " + mSvs[i] +
|
|
" snr: " + (float)mSnrs[i]/10 +
|
|
" elev: " + mSvElevations[i] +
|
|
" azimuth: " + mSvAzimuths[i] +
|
|
((mSvMasks[EPHEMERIS_MASK] & (1 << (mSvs[i] - 1))) == 0 ? " " : " E") +
|
|
((mSvMasks[ALMANAC_MASK] & (1 << (mSvs[i] - 1))) == 0 ? " " : " A") +
|
|
((mSvMasks[USED_FOR_FIX_MASK] & (1 << (mSvs[i] - 1))) == 0 ? "" : "U"));
|
|
}
|
|
}
|
|
|
|
// return number of sets used in fix instead of total
|
|
updateStatus(mStatus, Integer.bitCount(mSvMasks[USED_FOR_FIX_MASK]));
|
|
|
|
if (mNavigating && mStatus == LocationProvider.AVAILABLE && mLastFixTime > 0 &&
|
|
System.currentTimeMillis() - mLastFixTime > RECENT_FIX_TIMEOUT) {
|
|
// send an intent to notify that the GPS is no longer receiving fixes.
|
|
Intent intent = new Intent(LocationManager.GPS_FIX_CHANGE_ACTION);
|
|
intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, false);
|
|
mContext.sendBroadcast(intent);
|
|
updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, mSvCount);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* called from native code to update AGPS status
|
|
*/
|
|
private void reportAGpsStatus(int type, int status, int ipv4_addr, byte[] ipv6_addr) {
|
|
AGpsConnectionInfo agpsConnInfo = getAGpsConnectionInfo(type);
|
|
if (agpsConnInfo == null) {
|
|
if (DEBUG) Log.d(TAG, "reportAGpsStatus agpsConnInfo is null for type "+type);
|
|
// we do not handle this type of connection
|
|
return;
|
|
}
|
|
|
|
switch (status) {
|
|
case GPS_REQUEST_AGPS_DATA_CONN:
|
|
if (DEBUG) Log.d(TAG, "GPS_REQUEST_AGPS_DATA_CONN");
|
|
// Set agpsConnInfo.mState before calling startUsingNetworkFeature
|
|
// to avoid a race condition with handleUpdateNetworkState()
|
|
agpsConnInfo.mState = AGpsConnectionInfo.STATE_OPENING;
|
|
int result = mConnMgr.startUsingNetworkFeature(
|
|
ConnectivityManager.TYPE_MOBILE, agpsConnInfo.mPHConnFeatureStr);
|
|
if ( ipv4_addr != 0xffffffff) {
|
|
agpsConnInfo.mIPv4Addr = NetworkUtils.intToInetAddress(ipv4_addr);
|
|
} else {
|
|
// Don't handle ipv6 for now
|
|
agpsConnInfo.mIPv4Addr = null;
|
|
}
|
|
|
|
if (result == Phone.APN_ALREADY_ACTIVE) {
|
|
if (DEBUG) Log.d(TAG, "Phone.APN_ALREADY_ACTIVE");
|
|
if (agpsConnInfo.mAPN != null) {
|
|
if (agpsConnInfo.mIPv4Addr != null) {
|
|
boolean route_result;
|
|
Log.d(TAG, "agpsConnInfo.mIPv4Addr " + agpsConnInfo.mIPv4Addr.toString());
|
|
route_result = mConnMgr.requestRouteToHostAddress(agpsConnInfo.mCMConnType,
|
|
agpsConnInfo.mIPv4Addr);
|
|
if (route_result == false) Log.d(TAG, "call requestRouteToHostAddress failed");
|
|
}
|
|
native_agps_data_conn_open(agpsConnInfo.mAgpsType, agpsConnInfo.mAPN, agpsConnInfo.mBearerType);
|
|
agpsConnInfo.mState = AGpsConnectionInfo.STATE_OPEN;
|
|
} else {
|
|
Log.e(TAG, "agpsConnInfo.mAPN not set when receiving Phone.APN_ALREADY_ACTIVE");
|
|
agpsConnInfo.mState = AGpsConnectionInfo.STATE_CLOSED;
|
|
native_agps_data_conn_failed(agpsConnInfo.mAgpsType);
|
|
}
|
|
} else if (result == Phone.APN_REQUEST_STARTED) {
|
|
if (DEBUG) Log.d(TAG, "Phone.APN_REQUEST_STARTED");
|
|
// Nothing to do here
|
|
} else {
|
|
if (DEBUG) Log.d(TAG, "startUsingNetworkFeature failed with "+result);
|
|
agpsConnInfo.mState = AGpsConnectionInfo.STATE_CLOSED;
|
|
native_agps_data_conn_failed(agpsConnInfo.mAgpsType);
|
|
}
|
|
break;
|
|
case GPS_RELEASE_AGPS_DATA_CONN:
|
|
if (DEBUG) Log.d(TAG, "GPS_RELEASE_AGPS_DATA_CONN");
|
|
if (agpsConnInfo.mState != AGpsConnectionInfo.STATE_CLOSED) {
|
|
mConnMgr.stopUsingNetworkFeature(
|
|
ConnectivityManager.TYPE_MOBILE, agpsConnInfo.mPHConnFeatureStr);
|
|
native_agps_data_conn_closed(agpsConnInfo.mAgpsType);
|
|
agpsConnInfo.mState = AGpsConnectionInfo.STATE_CLOSED;
|
|
}
|
|
break;
|
|
case GPS_AGPS_DATA_CONNECTED:
|
|
if (DEBUG) Log.d(TAG, "GPS_AGPS_DATA_CONNECTED");
|
|
break;
|
|
case GPS_AGPS_DATA_CONN_DONE:
|
|
if (DEBUG) Log.d(TAG, "GPS_AGPS_DATA_CONN_DONE");
|
|
break;
|
|
case GPS_AGPS_DATA_CONN_FAILED:
|
|
if (DEBUG) Log.d(TAG, "GPS_AGPS_DATA_CONN_FAILED");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* called from native code to report NMEA data received
|
|
*/
|
|
private void reportNmea(long timestamp) {
|
|
synchronized(mListeners) {
|
|
int size = mListeners.size();
|
|
if (size > 0) {
|
|
// don't bother creating the String if we have no listeners
|
|
int length = native_read_nmea(mNmeaBuffer, mNmeaBuffer.length);
|
|
String nmea = new String(mNmeaBuffer, 0, length);
|
|
|
|
for (int i = 0; i < size; i++) {
|
|
Listener listener = mListeners.get(i);
|
|
try {
|
|
listener.mListener.onNmeaReceived(timestamp, nmea);
|
|
} catch (RemoteException e) {
|
|
Log.w(TAG, "RemoteException in reportNmea");
|
|
mListeners.remove(listener);
|
|
// adjust for size of list changing
|
|
size--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* called from native code to inform us what the GPS engine capabilities are
|
|
*/
|
|
private void setEngineCapabilities(int capabilities) {
|
|
mEngineCapabilities = capabilities;
|
|
}
|
|
|
|
/**
|
|
* called from native code to request XTRA data
|
|
*/
|
|
private void xtraDownloadRequest() {
|
|
if (DEBUG) Log.d(TAG, "xtraDownloadRequest");
|
|
sendMessage(DOWNLOAD_XTRA_DATA, 0, null);
|
|
}
|
|
|
|
//=============================================================
|
|
// NI Client support
|
|
//=============================================================
|
|
private final INetInitiatedListener mNetInitiatedListener = new INetInitiatedListener.Stub() {
|
|
// Sends a response for an NI reqeust to HAL.
|
|
public boolean sendNiResponse(int notificationId, int userResponse)
|
|
{
|
|
// TODO Add Permission check
|
|
|
|
StringBuilder extrasBuf = new StringBuilder();
|
|
|
|
if (DEBUG) Log.d(TAG, "sendNiResponse, notifId: " + notificationId +
|
|
", response: " + userResponse);
|
|
native_send_ni_response(notificationId, userResponse);
|
|
return true;
|
|
}
|
|
};
|
|
|
|
public INetInitiatedListener getNetInitiatedListener() {
|
|
return mNetInitiatedListener;
|
|
}
|
|
|
|
// Called by JNI function to report an NI request.
|
|
public void reportNiNotification(
|
|
int notificationId,
|
|
int niType,
|
|
int notifyFlags,
|
|
int timeout,
|
|
int defaultResponse,
|
|
String requestorId,
|
|
String text,
|
|
int requestorIdEncoding,
|
|
int textEncoding,
|
|
String extras // Encoded extra data
|
|
)
|
|
{
|
|
Log.i(TAG, "reportNiNotification: entered");
|
|
Log.i(TAG, "notificationId: " + notificationId +
|
|
", niType: " + niType +
|
|
", notifyFlags: " + notifyFlags +
|
|
", timeout: " + timeout +
|
|
", defaultResponse: " + defaultResponse);
|
|
|
|
Log.i(TAG, "requestorId: " + requestorId +
|
|
", text: " + text +
|
|
", requestorIdEncoding: " + requestorIdEncoding +
|
|
", textEncoding: " + textEncoding +
|
|
", extras: " + extras);
|
|
|
|
GpsNiNotification notification = new GpsNiNotification();
|
|
|
|
notification.notificationId = notificationId;
|
|
notification.niType = niType;
|
|
notification.needNotify = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_NEED_NOTIFY) != 0;
|
|
notification.needVerify = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_NEED_VERIFY) != 0;
|
|
notification.privacyOverride = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_PRIVACY_OVERRIDE) != 0;
|
|
notification.timeout = timeout;
|
|
notification.defaultResponse = defaultResponse;
|
|
notification.requestorId = requestorId;
|
|
notification.text = text;
|
|
notification.requestorIdEncoding = requestorIdEncoding;
|
|
notification.textEncoding = textEncoding;
|
|
|
|
// Process extras, assuming the format is
|
|
// one of more lines of "key = value"
|
|
Bundle bundle = new Bundle();
|
|
|
|
if (extras == null) extras = "";
|
|
Properties extraProp = new Properties();
|
|
|
|
try {
|
|
extraProp.load(new StringBufferInputStream(extras));
|
|
}
|
|
catch (IOException e)
|
|
{
|
|
Log.e(TAG, "reportNiNotification cannot parse extras data: " + extras);
|
|
}
|
|
|
|
for (Entry<Object, Object> ent : extraProp.entrySet())
|
|
{
|
|
bundle.putString((String) ent.getKey(), (String) ent.getValue());
|
|
}
|
|
|
|
notification.extras = bundle;
|
|
|
|
mNIHandler.handleNiNotification(notification);
|
|
}
|
|
|
|
/**
|
|
* Called from native code to request set id info.
|
|
* We should be careful about receiving null string from the TelephonyManager,
|
|
* because sending null String to JNI function would cause a crash.
|
|
*/
|
|
|
|
private void requestSetID(int flags) {
|
|
TelephonyManager phone = (TelephonyManager)
|
|
mContext.getSystemService(Context.TELEPHONY_SERVICE);
|
|
int type = AGPS_SETID_TYPE_NONE;
|
|
String data = "";
|
|
|
|
if ((flags & AGPS_RIL_REQUEST_SETID_IMSI) == AGPS_RIL_REQUEST_SETID_IMSI) {
|
|
String data_temp = phone.getSubscriberId();
|
|
if (data_temp == null) {
|
|
// This means the framework does not have the SIM card ready.
|
|
} else {
|
|
// This means the framework has the SIM card.
|
|
data = data_temp;
|
|
type = AGPS_SETID_TYPE_IMSI;
|
|
}
|
|
}
|
|
else if ((flags & AGPS_RIL_REQUEST_SETID_MSISDN) == AGPS_RIL_REQUEST_SETID_MSISDN) {
|
|
String data_temp = phone.getLine1Number();
|
|
if (data_temp == null) {
|
|
// This means the framework does not have the SIM card ready.
|
|
} else {
|
|
// This means the framework has the SIM card.
|
|
data = data_temp;
|
|
type = AGPS_SETID_TYPE_MSISDN;
|
|
}
|
|
}
|
|
native_agps_set_id(type, data);
|
|
}
|
|
|
|
/**
|
|
* Called from native code to request reference location info
|
|
*/
|
|
|
|
private void requestRefLocation(int flags) {
|
|
TelephonyManager phone = (TelephonyManager)
|
|
mContext.getSystemService(Context.TELEPHONY_SERVICE);
|
|
if (phone.getPhoneType() == TelephonyManager.PHONE_TYPE_GSM) {
|
|
GsmCellLocation gsm_cell = (GsmCellLocation) phone.getCellLocation();
|
|
if ((gsm_cell != null) && (phone.getPhoneType() == TelephonyManager.PHONE_TYPE_GSM) &&
|
|
(phone.getNetworkOperator() != null) &&
|
|
(phone.getNetworkOperator().length() > 3)) {
|
|
int type;
|
|
int mcc = Integer.parseInt(phone.getNetworkOperator().substring(0,3));
|
|
int mnc = Integer.parseInt(phone.getNetworkOperator().substring(3));
|
|
int networkType = phone.getNetworkType();
|
|
if (networkType == TelephonyManager.NETWORK_TYPE_UMTS
|
|
|| networkType == TelephonyManager.NETWORK_TYPE_HSDPA
|
|
|| networkType == TelephonyManager.NETWORK_TYPE_HSUPA
|
|
|| networkType == TelephonyManager.NETWORK_TYPE_HSPA) {
|
|
type = AGPS_REF_LOCATION_TYPE_UMTS_CELLID;
|
|
} else {
|
|
type = AGPS_REF_LOCATION_TYPE_GSM_CELLID;
|
|
}
|
|
native_agps_set_ref_location_cellid(type, mcc, mnc,
|
|
gsm_cell.getLac(), gsm_cell.getCid());
|
|
} else {
|
|
Log.e(TAG,"Error getting cell location info.");
|
|
}
|
|
}
|
|
else {
|
|
Log.e(TAG,"CDMA not supported.");
|
|
}
|
|
}
|
|
|
|
private void sendMessage(int message, int arg, Object obj) {
|
|
// hold a wake lock while messages are pending
|
|
synchronized (mWakeLock) {
|
|
mPendingMessageBits |= (1 << message);
|
|
mWakeLock.acquire();
|
|
mHandler.removeMessages(message);
|
|
Message m = Message.obtain(mHandler, message);
|
|
m.arg1 = arg;
|
|
m.obj = obj;
|
|
mHandler.sendMessage(m);
|
|
}
|
|
}
|
|
|
|
private final class ProviderHandler extends Handler {
|
|
@Override
|
|
public void handleMessage(Message msg) {
|
|
int message = msg.what;
|
|
switch (message) {
|
|
case ENABLE:
|
|
if (msg.arg1 == 1) {
|
|
handleEnable();
|
|
} else {
|
|
handleDisable();
|
|
}
|
|
break;
|
|
case ENABLE_TRACKING:
|
|
handleEnableLocationTracking(msg.arg1 == 1);
|
|
break;
|
|
case REQUEST_SINGLE_SHOT:
|
|
handleRequestSingleShot();
|
|
break;
|
|
case UPDATE_NETWORK_STATE:
|
|
handleUpdateNetworkState(msg.arg1, (NetworkInfo)msg.obj);
|
|
break;
|
|
case INJECT_NTP_TIME:
|
|
handleInjectNtpTime();
|
|
break;
|
|
case DOWNLOAD_XTRA_DATA:
|
|
if (mSupportsXtra) {
|
|
handleDownloadXtraData();
|
|
}
|
|
break;
|
|
case UPDATE_LOCATION:
|
|
handleUpdateLocation((Location)msg.obj);
|
|
break;
|
|
case ADD_LISTENER:
|
|
handleAddListener(msg.arg1);
|
|
break;
|
|
case REMOVE_LISTENER:
|
|
handleRemoveListener(msg.arg1);
|
|
break;
|
|
}
|
|
// release wake lock if no messages are pending
|
|
synchronized (mWakeLock) {
|
|
mPendingMessageBits &= ~(1 << message);
|
|
if (message == ADD_LISTENER || message == REMOVE_LISTENER) {
|
|
mPendingListenerMessages--;
|
|
}
|
|
if (mPendingMessageBits == 0 && mPendingListenerMessages == 0) {
|
|
mWakeLock.release();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
private final class GpsLocationProviderThread extends Thread {
|
|
|
|
public GpsLocationProviderThread() {
|
|
super("GpsLocationProvider");
|
|
}
|
|
|
|
public void run() {
|
|
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
|
|
initialize();
|
|
Looper.prepare();
|
|
mHandler = new ProviderHandler();
|
|
// signal when we are initialized and ready to go
|
|
mInitializedLatch.countDown();
|
|
Looper.loop();
|
|
}
|
|
}
|
|
|
|
private String getSelectedApn() {
|
|
Uri uri = Uri.parse("content://telephony/carriers/preferapn");
|
|
String apn = null;
|
|
|
|
Cursor cursor = mContext.getContentResolver().query(uri, new String[] {"apn"},
|
|
null, null, Carriers.DEFAULT_SORT_ORDER);
|
|
|
|
if (null != cursor) {
|
|
try {
|
|
if (cursor.moveToFirst()) {
|
|
apn = cursor.getString(0);
|
|
}
|
|
} finally {
|
|
cursor.close();
|
|
}
|
|
}
|
|
return apn;
|
|
}
|
|
|
|
// for GPS SV statistics
|
|
private static final int MAX_SVS = 32;
|
|
private static final int EPHEMERIS_MASK = 0;
|
|
private static final int ALMANAC_MASK = 1;
|
|
private static final int USED_FOR_FIX_MASK = 2;
|
|
|
|
// preallocated arrays, to avoid memory allocation in reportStatus()
|
|
private int mSvs[] = new int[MAX_SVS];
|
|
private float mSnrs[] = new float[MAX_SVS];
|
|
private float mSvElevations[] = new float[MAX_SVS];
|
|
private float mSvAzimuths[] = new float[MAX_SVS];
|
|
private int mSvMasks[] = new int[3];
|
|
private int mSvCount;
|
|
// preallocated to avoid memory allocation in reportNmea()
|
|
private byte[] mNmeaBuffer = new byte[120];
|
|
|
|
static { class_init_native(); }
|
|
private static native void class_init_native();
|
|
private static native boolean native_is_supported();
|
|
|
|
private native boolean native_init();
|
|
private native void native_cleanup();
|
|
private native boolean native_set_position_mode(int mode, int recurrence, int min_interval,
|
|
int preferred_accuracy, int preferred_time);
|
|
private native boolean native_start();
|
|
private native boolean native_stop();
|
|
private native void native_delete_aiding_data(int flags);
|
|
// returns number of SVs
|
|
// mask[0] is ephemeris mask and mask[1] is almanac mask
|
|
private native int native_read_sv_status(int[] svs, float[] snrs,
|
|
float[] elevations, float[] azimuths, int[] masks);
|
|
private native int native_read_nmea(byte[] buffer, int bufferSize);
|
|
private native void native_inject_location(double latitude, double longitude, float accuracy);
|
|
|
|
// XTRA Support
|
|
private native void native_inject_time(long time, long timeReference, int uncertainty);
|
|
private native boolean native_supports_xtra();
|
|
private native void native_inject_xtra_data(byte[] data, int length);
|
|
|
|
// Special Test Command Path
|
|
private native boolean native_inject_raw_command(byte[] data, int length);
|
|
|
|
// DEBUG Support
|
|
private native String native_get_internal_state();
|
|
|
|
// AGPS Support
|
|
private native void native_agps_data_conn_open(int agpsType, String apn, int bearerType);
|
|
private native void native_agps_data_conn_closed(int agpsType);
|
|
private native void native_agps_data_conn_failed(int agpsType);
|
|
private native void native_agps_ni_message(byte [] msg, int length);
|
|
private native void native_set_agps_server(int type, String hostname, int port);
|
|
|
|
// Network-initiated (NI) Support
|
|
private native void native_send_ni_response(int notificationId, int userResponse);
|
|
|
|
// AGPS ril suport
|
|
private native void native_agps_set_ref_location_cellid(int type, int mcc, int mnc,
|
|
int lac, int cid);
|
|
private native void native_agps_set_id(int type, String setid);
|
|
|
|
private native void native_update_network_state(boolean connected, int type,
|
|
boolean roaming, boolean available, String extraInfo, String defaultAPN);
|
|
|
|
private static AGpsConnectionInfo[] mAGpsConnections = new AGpsConnectionInfo[2];
|
|
private AGpsConnectionInfo getAGpsConnectionInfo(int connType) {
|
|
if (DEBUG) Log.d(TAG, "getAGpsConnectionInfo connType - "+connType);
|
|
switch (connType)
|
|
{
|
|
case AGpsConnectionInfo.CONNECTION_TYPE_WWAN_ANY:
|
|
case AGpsConnectionInfo.CONNECTION_TYPE_C2K:
|
|
if (null == mAGpsConnections[0])
|
|
mAGpsConnections[0] = new AGpsConnectionInfo(ConnectivityManager.TYPE_MOBILE, connType);
|
|
return mAGpsConnections[0];
|
|
case AGpsConnectionInfo.CONNECTION_TYPE_SUPL:
|
|
if (null == mAGpsConnections[1])
|
|
mAGpsConnections[1] = new AGpsConnectionInfo(ConnectivityManager.TYPE_MOBILE_SUPL, connType);
|
|
return mAGpsConnections[1];
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private class AGpsConnectionInfo {
|
|
// these need to match AGpsType enum in gps.h
|
|
private static final int CONNECTION_TYPE_ANY = 0;
|
|
private static final int CONNECTION_TYPE_SUPL = 1;
|
|
private static final int CONNECTION_TYPE_C2K = 2;
|
|
private static final int CONNECTION_TYPE_WWAN_ANY = 3;
|
|
|
|
// this must match the definition of gps.h
|
|
private static final int BEARER_INVALID = -1;
|
|
private static final int BEARER_IPV4 = 0;
|
|
private static final int BEARER_IPV6 = 1;
|
|
private static final int BEARER_IPV4V6 = 2;
|
|
|
|
// for mState
|
|
private static final int STATE_CLOSED = 0;
|
|
private static final int STATE_OPENING = 1;
|
|
private static final int STATE_OPEN = 2;
|
|
|
|
// SUPL vs ANY (which really is non-SUPL)
|
|
private final int mCMConnType;
|
|
private final int mAgpsType;
|
|
private final String mPHConnFeatureStr;
|
|
private String mAPN;
|
|
private int mIPvVerType;
|
|
private int mState;
|
|
private InetAddress mIPv4Addr;
|
|
private InetAddress mIPv6Addr;
|
|
private int mBearerType;
|
|
|
|
private AGpsConnectionInfo(int connMgrConnType, int agpsType) {
|
|
mCMConnType = connMgrConnType;
|
|
mAgpsType = agpsType;
|
|
if (ConnectivityManager.TYPE_MOBILE_SUPL == connMgrConnType) {
|
|
mPHConnFeatureStr = Phone.FEATURE_ENABLE_SUPL;
|
|
} else {
|
|
mPHConnFeatureStr = Phone.FEATURE_ENABLE_MMS;
|
|
}
|
|
mAPN = null;
|
|
mState = STATE_CLOSED;
|
|
mIPv4Addr = null;
|
|
mIPv6Addr = null;
|
|
mBearerType = BEARER_INVALID;
|
|
}
|
|
}
|
|
}
|