destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 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.hardware.location.GeofenceHardwareImpl; |
| 20 | import android.hardware.location.IFusedLocationHardware; |
| 21 | import android.hardware.location.IFusedLocationHardwareSink; |
| 22 | import android.location.IFusedGeofenceHardware; |
| 23 | import android.location.FusedBatchOptions; |
| 24 | import android.location.Geofence; |
| 25 | import android.location.Location; |
| 26 | import android.location.LocationListener; |
| 27 | import android.location.LocationManager; |
| 28 | |
| 29 | import android.content.Context; |
| 30 | import android.os.Bundle; |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 31 | import android.os.Looper; |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 32 | import android.os.RemoteException; |
| 33 | import android.os.SystemClock; |
| 34 | import android.util.Log; |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 35 | |
| 36 | /** |
| 37 | * This class is an interop layer for JVM types and the JNI code that interacts |
| 38 | * with the FLP HAL implementation. |
| 39 | * |
| 40 | * {@hide} |
| 41 | */ |
| 42 | public class FlpHardwareProvider { |
| 43 | private GeofenceHardwareImpl mGeofenceHardwareSink = null; |
| 44 | private IFusedLocationHardwareSink mLocationSink = null; |
| 45 | |
| 46 | private static FlpHardwareProvider sSingletonInstance = null; |
| 47 | |
| 48 | private final static String TAG = "FlpHardwareProvider"; |
| 49 | private final Context mContext; |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 50 | private final Object mLocationSinkLock = new Object(); |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 51 | |
| 52 | public static FlpHardwareProvider getInstance(Context context) { |
| 53 | if (sSingletonInstance == null) { |
| 54 | sSingletonInstance = new FlpHardwareProvider(context); |
| 55 | } |
| 56 | |
| 57 | return sSingletonInstance; |
| 58 | } |
| 59 | |
| 60 | private FlpHardwareProvider(Context context) { |
| 61 | mContext = context; |
| 62 | |
| 63 | // register for listening for passive provider data |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 64 | LocationManager manager = (LocationManager) mContext.getSystemService( |
| 65 | Context.LOCATION_SERVICE); |
| 66 | manager.requestLocationUpdates( |
| 67 | LocationManager.PASSIVE_PROVIDER, |
| 68 | 0 /* minTime */, |
| 69 | 0 /* minDistance */, |
| 70 | new NetworkLocationListener(), |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 71 | Looper.myLooper()); |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | public static boolean isSupported() { |
| 75 | return nativeIsSupported(); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Private callback functions used by FLP HAL. |
| 80 | */ |
| 81 | // FlpCallbacks members |
| 82 | private void onLocationReport(Location[] locations) { |
| 83 | for (Location location : locations) { |
| 84 | location.setProvider(LocationManager.FUSED_PROVIDER); |
| 85 | // set the elapsed time-stamp just as GPS provider does |
| 86 | location.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos()); |
| 87 | } |
| 88 | |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 89 | IFusedLocationHardwareSink sink; |
| 90 | synchronized (mLocationSinkLock) { |
| 91 | sink = mLocationSink; |
| 92 | } |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 93 | try { |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 94 | if (sink != null) { |
| 95 | sink.onLocationAvailable(locations); |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 96 | } |
| 97 | } catch (RemoteException e) { |
| 98 | Log.e(TAG, "RemoteException calling onLocationAvailable"); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | // FlpDiagnosticCallbacks members |
| 103 | private void onDataReport(String data) { |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 104 | IFusedLocationHardwareSink sink; |
| 105 | synchronized (mLocationSinkLock) { |
| 106 | sink = mLocationSink; |
| 107 | } |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 108 | try { |
| 109 | if (mLocationSink != null) { |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 110 | sink.onDiagnosticDataAvailable(data); |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 111 | } |
| 112 | } catch (RemoteException e) { |
| 113 | Log.e(TAG, "RemoteException calling onDiagnosticDataAvailable"); |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | // FlpGeofenceCallbacks members |
| 118 | private void onGeofenceTransition( |
| 119 | int geofenceId, |
| 120 | Location location, |
| 121 | int transition, |
| 122 | long timestamp, |
| 123 | int sourcesUsed |
| 124 | ) { |
| 125 | // TODO: [GeofenceIntegration] change GeofenceHardwareImpl to accept a location object |
| 126 | } |
| 127 | |
| 128 | private void onGeofenceMonitorStatus(int status, int source, Location location) { |
| 129 | // TODO: [GeofenceIntegration] |
| 130 | } |
| 131 | |
| 132 | private void onGeofenceAdd(int geofenceId, int result) { |
| 133 | // TODO: [GeofenceIntegration] map between GPS and FLP results to pass a consistent status |
| 134 | } |
| 135 | |
| 136 | private void onGeofenceRemove(int geofenceId, int result) { |
| 137 | // TODO: [GeofenceIntegration] map between GPS and FLP results to pass a consistent status |
| 138 | } |
| 139 | |
| 140 | private void onGeofencePause(int geofenceId, int result) { |
| 141 | // TODO; [GeofenceIntegration] map between GPS and FLP results |
| 142 | } |
| 143 | |
| 144 | private void onGeofenceResume(int geofenceId, int result) { |
| 145 | // TODO: [GeofenceIntegration] map between GPS and FLP results |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Private native methods accessing FLP HAL. |
| 150 | */ |
| 151 | static { nativeClassInit(); } |
| 152 | |
| 153 | // Core members |
| 154 | private static native void nativeClassInit(); |
| 155 | private static native boolean nativeIsSupported(); |
| 156 | |
| 157 | // FlpLocationInterface members |
| 158 | private native void nativeInit(); |
| 159 | private native int nativeGetBatchSize(); |
| 160 | private native void nativeStartBatching(int requestId, FusedBatchOptions options); |
| 161 | private native void nativeUpdateBatchingOptions(int requestId, FusedBatchOptions optionsObject); |
| 162 | private native void nativeStopBatching(int id); |
| 163 | private native void nativeRequestBatchedLocation(int lastNLocations); |
| 164 | private native void nativeInjectLocation(Location location); |
| 165 | // TODO [Fix] sort out the lifetime of the instance |
| 166 | private native void nativeCleanup(); |
| 167 | |
| 168 | // FlpDiagnosticsInterface members |
| 169 | private native boolean nativeIsDiagnosticSupported(); |
| 170 | private native void nativeInjectDiagnosticData(String data); |
| 171 | |
| 172 | // FlpDeviceContextInterface members |
| 173 | private native boolean nativeIsDeviceContextSupported(); |
| 174 | private native void nativeInjectDeviceContext(int deviceEnabledContext); |
| 175 | |
| 176 | // FlpGeofencingInterface members |
| 177 | private native boolean nativeIsGeofencingSupported(); |
| 178 | private native void nativeAddGeofences(int[] geofenceIdsArray, Geofence[] geofencesArray); |
| 179 | private native void nativePauseGeofence(int geofenceId); |
| 180 | private native void nativeResumeGeofence(int geofenceId, int monitorTransitions); |
| 181 | private native void nativeModifyGeofenceOption( |
| 182 | int geofenceId, |
| 183 | int lastTransition, |
| 184 | int monitorTransitions, |
| 185 | int notificationResponsiveness, |
| 186 | int unknownTimer, |
| 187 | int sourcesToUse); |
| 188 | private native void nativeRemoveGeofences(int[] geofenceIdsArray); |
| 189 | |
| 190 | /** |
| 191 | * Interface implementations for services built on top of this functionality. |
| 192 | */ |
| 193 | public static final String LOCATION = "Location"; |
| 194 | public static final String GEOFENCING = "Geofencing"; |
| 195 | |
| 196 | public IFusedLocationHardware getLocationHardware() { |
| 197 | nativeInit(); |
| 198 | return mLocationHardware; |
| 199 | } |
| 200 | |
| 201 | public IFusedGeofenceHardware getGeofenceHardware() { |
| 202 | nativeInit(); |
| 203 | return mGeofenceHardwareService; |
| 204 | } |
| 205 | |
| 206 | private final IFusedLocationHardware mLocationHardware = new IFusedLocationHardware.Stub() { |
| 207 | @Override |
| 208 | public void registerSink(IFusedLocationHardwareSink eventSink) { |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 209 | synchronized (mLocationSinkLock) { |
| 210 | // only one sink is allowed at the moment |
| 211 | if (mLocationSink != null) { |
| 212 | throw new RuntimeException( |
| 213 | "IFusedLocationHardware does not support multiple sinks"); |
| 214 | } |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 215 | |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 216 | mLocationSink = eventSink; |
| 217 | } |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | @Override |
| 221 | public void unregisterSink(IFusedLocationHardwareSink eventSink) { |
destradaa | 64be0c6 | 2013-08-09 15:01:49 -0700 | [diff] [blame] | 222 | synchronized (mLocationSinkLock) { |
| 223 | // don't throw if the sink is not registered, simply make it a no-op |
| 224 | if (mLocationSink == eventSink) { |
| 225 | mLocationSink = null; |
| 226 | } |
destradaa | 1af4b02 | 2013-07-12 15:43:36 -0700 | [diff] [blame] | 227 | } |
| 228 | } |
| 229 | |
| 230 | @Override |
| 231 | public int getSupportedBatchSize() { |
| 232 | return nativeGetBatchSize(); |
| 233 | } |
| 234 | |
| 235 | @Override |
| 236 | public void startBatching(int requestId, FusedBatchOptions options) { |
| 237 | nativeStartBatching(requestId, options); |
| 238 | } |
| 239 | |
| 240 | @Override |
| 241 | public void stopBatching(int requestId) { |
| 242 | nativeStopBatching(requestId); |
| 243 | } |
| 244 | |
| 245 | @Override |
| 246 | public void updateBatchingOptions(int requestId, FusedBatchOptions options) { |
| 247 | nativeUpdateBatchingOptions(requestId, options); |
| 248 | } |
| 249 | |
| 250 | @Override |
| 251 | public void requestBatchOfLocations(int batchSizeRequested) { |
| 252 | nativeRequestBatchedLocation(batchSizeRequested); |
| 253 | } |
| 254 | |
| 255 | @Override |
| 256 | public boolean supportsDiagnosticDataInjection() { |
| 257 | return nativeIsDiagnosticSupported(); |
| 258 | } |
| 259 | |
| 260 | @Override |
| 261 | public void injectDiagnosticData(String data) { |
| 262 | nativeInjectDiagnosticData(data); |
| 263 | } |
| 264 | |
| 265 | @Override |
| 266 | public boolean supportsDeviceContextInjection() { |
| 267 | return nativeIsDeviceContextSupported(); |
| 268 | } |
| 269 | |
| 270 | @Override |
| 271 | public void injectDeviceContext(int deviceEnabledContext) { |
| 272 | nativeInjectDeviceContext(deviceEnabledContext); |
| 273 | } |
| 274 | }; |
| 275 | |
| 276 | private final IFusedGeofenceHardware mGeofenceHardwareService = |
| 277 | new IFusedGeofenceHardware.Stub() { |
| 278 | @Override |
| 279 | public boolean isSupported() { |
| 280 | return nativeIsGeofencingSupported(); |
| 281 | } |
| 282 | |
| 283 | @Override |
| 284 | public void addGeofences(int[] geofenceIdsArray, Geofence[] geofencesArray) { |
| 285 | nativeAddGeofences(geofenceIdsArray, geofencesArray); |
| 286 | } |
| 287 | |
| 288 | @Override |
| 289 | public void removeGeofences(int[] geofenceIds) { |
| 290 | nativeRemoveGeofences(geofenceIds); |
| 291 | } |
| 292 | |
| 293 | @Override |
| 294 | public void pauseMonitoringGeofence(int geofenceId) { |
| 295 | nativePauseGeofence(geofenceId); |
| 296 | } |
| 297 | |
| 298 | @Override |
| 299 | public void resumeMonitoringGeofence(int geofenceId, int monitorTransitions) { |
| 300 | nativeResumeGeofence(geofenceId, monitorTransitions); |
| 301 | } |
| 302 | |
| 303 | @Override |
| 304 | public void modifyGeofenceOptions(int geofenceId, |
| 305 | int lastTransition, |
| 306 | int monitorTransitions, |
| 307 | int notificationResponsiveness, |
| 308 | int unknownTimer |
| 309 | ) { |
| 310 | // TODO: [GeofenceIntegration] set sourcesToUse to the right value |
| 311 | // TODO: expose sourcesToUse externally when needed |
| 312 | nativeModifyGeofenceOption( |
| 313 | geofenceId, |
| 314 | lastTransition, |
| 315 | monitorTransitions, |
| 316 | notificationResponsiveness, |
| 317 | unknownTimer, |
| 318 | /* sourcesToUse */ 0xFFFF); |
| 319 | } |
| 320 | }; |
| 321 | |
| 322 | /** |
| 323 | * Internal classes and functions used by the provider. |
| 324 | */ |
| 325 | private final class NetworkLocationListener implements LocationListener { |
| 326 | @Override |
| 327 | public void onLocationChanged(Location location) { |
| 328 | if ( |
| 329 | !LocationManager.NETWORK_PROVIDER.equals(location.getProvider()) || |
| 330 | !location.hasAccuracy() |
| 331 | ) { |
| 332 | return; |
| 333 | } |
| 334 | |
| 335 | nativeInjectLocation(location); |
| 336 | } |
| 337 | |
| 338 | @Override |
| 339 | public void onStatusChanged(String provider, int status, Bundle extras) { } |
| 340 | |
| 341 | @Override |
| 342 | public void onProviderEnabled(String provider) { } |
| 343 | |
| 344 | @Override |
| 345 | public void onProviderDisabled(String provider) { } |
| 346 | } |
| 347 | |
| 348 | private GeofenceHardwareImpl getGeofenceHardwareSink() { |
| 349 | if (mGeofenceHardwareSink == null) { |
| 350 | // TODO: [GeofenceIntegration] we need to register ourselves with GeofenceHardwareImpl |
| 351 | mGeofenceHardwareSink = GeofenceHardwareImpl.getInstance(mContext); |
| 352 | } |
| 353 | |
| 354 | return mGeofenceHardwareSink; |
| 355 | } |
| 356 | } |