The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 | #define LOG_TAG "GpsLocationProvider" |
| 18 | |
| 19 | #include "JNIHelp.h" |
| 20 | #include "jni.h" |
| 21 | #include "hardware_legacy/gps.h" |
| 22 | #include "utils/Log.h" |
| 23 | #include "utils/misc.h" |
| 24 | |
| 25 | #include <string.h> |
| 26 | #include <pthread.h> |
| 27 | |
| 28 | |
| 29 | static pthread_mutex_t sEventMutex = PTHREAD_MUTEX_INITIALIZER; |
| 30 | static pthread_cond_t sEventCond = PTHREAD_COND_INITIALIZER; |
| 31 | static jmethodID method_reportLocation; |
| 32 | static jmethodID method_reportStatus; |
| 33 | static jmethodID method_reportSvStatus; |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 34 | static jmethodID method_reportAGpsStatus; |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 35 | static jmethodID method_reportNmea; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | static jmethodID method_xtraDownloadRequest; |
| 37 | |
| 38 | static const GpsInterface* sGpsInterface = NULL; |
| 39 | static const GpsXtraInterface* sGpsXtraInterface = NULL; |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 40 | static const AGpsInterface* sAGpsInterface = NULL; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 41 | |
| 42 | // data written to by GPS callbacks |
| 43 | static GpsLocation sGpsLocation; |
| 44 | static GpsStatus sGpsStatus; |
| 45 | static GpsSvStatus sGpsSvStatus; |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 46 | static AGpsStatus sAGpsStatus; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 48 | // buffer for NMEA data |
| 49 | #define NMEA_SENTENCE_LENGTH 100 |
| 50 | #define NMEA_SENTENCE_COUNT 40 |
| 51 | struct NmeaSentence { |
| 52 | GpsUtcTime timestamp; |
| 53 | char nmea[NMEA_SENTENCE_LENGTH]; |
| 54 | }; |
| 55 | static NmeaSentence sNmeaBuffer[NMEA_SENTENCE_LENGTH]; |
| 56 | static int mNmeaSentenceCount = 0; |
| 57 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 58 | // a copy of the data shared by android_location_GpsLocationProvider_wait_for_event |
| 59 | // and android_location_GpsLocationProvider_read_status |
| 60 | static GpsLocation sGpsLocationCopy; |
| 61 | static GpsStatus sGpsStatusCopy; |
| 62 | static GpsSvStatus sGpsSvStatusCopy; |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 63 | static AGpsStatus sAGpsStatusCopy; |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 64 | static NmeaSentence sNmeaBufferCopy[NMEA_SENTENCE_LENGTH]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 65 | |
| 66 | enum CallbackType { |
| 67 | kLocation = 1, |
| 68 | kStatus = 2, |
| 69 | kSvStatus = 4, |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 70 | kAGpsStatus = 8, |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 71 | kXtraDownloadRequest = 16, |
| 72 | kDisableRequest = 32, |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 73 | kNmeaAvailable = 64, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 74 | }; |
| 75 | static int sPendingCallbacks; |
| 76 | |
| 77 | namespace android { |
| 78 | |
| 79 | static void location_callback(GpsLocation* location) |
| 80 | { |
| 81 | pthread_mutex_lock(&sEventMutex); |
| 82 | |
| 83 | sPendingCallbacks |= kLocation; |
| 84 | memcpy(&sGpsLocation, location, sizeof(sGpsLocation)); |
| 85 | |
| 86 | pthread_cond_signal(&sEventCond); |
| 87 | pthread_mutex_unlock(&sEventMutex); |
| 88 | } |
| 89 | |
| 90 | static void status_callback(GpsStatus* status) |
| 91 | { |
| 92 | pthread_mutex_lock(&sEventMutex); |
| 93 | |
| 94 | sPendingCallbacks |= kStatus; |
| 95 | memcpy(&sGpsStatus, status, sizeof(sGpsStatus)); |
| 96 | |
| 97 | pthread_cond_signal(&sEventCond); |
| 98 | pthread_mutex_unlock(&sEventMutex); |
| 99 | } |
| 100 | |
| 101 | static void sv_status_callback(GpsSvStatus* sv_status) |
| 102 | { |
| 103 | pthread_mutex_lock(&sEventMutex); |
| 104 | |
| 105 | sPendingCallbacks |= kSvStatus; |
| 106 | memcpy(&sGpsSvStatus, sv_status, sizeof(GpsSvStatus)); |
| 107 | |
| 108 | pthread_cond_signal(&sEventCond); |
| 109 | pthread_mutex_unlock(&sEventMutex); |
| 110 | } |
| 111 | |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 112 | static void nmea_callback(GpsUtcTime timestamp, const char* nmea, int length) |
| 113 | { |
| 114 | pthread_mutex_lock(&sEventMutex); |
| 115 | |
| 116 | if (length >= NMEA_SENTENCE_LENGTH) { |
| 117 | LOGE("NMEA data too long in nmea_callback (length = %d)\n", length); |
| 118 | length = NMEA_SENTENCE_LENGTH - 1; |
| 119 | } |
| 120 | if (mNmeaSentenceCount >= NMEA_SENTENCE_COUNT) { |
| 121 | LOGE("NMEA data overflowed buffer\n"); |
| 122 | pthread_mutex_unlock(&sEventMutex); |
| 123 | return; |
| 124 | } |
| 125 | |
| 126 | sPendingCallbacks |= kNmeaAvailable; |
| 127 | sNmeaBuffer[mNmeaSentenceCount].timestamp = timestamp; |
| 128 | memcpy(sNmeaBuffer[mNmeaSentenceCount].nmea, nmea, length); |
| 129 | sNmeaBuffer[mNmeaSentenceCount].nmea[length] = 0; |
| 130 | mNmeaSentenceCount++; |
| 131 | |
| 132 | pthread_cond_signal(&sEventCond); |
| 133 | pthread_mutex_unlock(&sEventMutex); |
| 134 | } |
| 135 | |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 136 | static void agps_status_callback(AGpsStatus* agps_status) |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 137 | { |
| 138 | pthread_mutex_lock(&sEventMutex); |
| 139 | |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 140 | sPendingCallbacks |= kAGpsStatus; |
| 141 | memcpy(&sAGpsStatus, agps_status, sizeof(AGpsStatus)); |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 142 | |
| 143 | pthread_cond_signal(&sEventCond); |
| 144 | pthread_mutex_unlock(&sEventMutex); |
| 145 | } |
| 146 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 147 | GpsCallbacks sGpsCallbacks = { |
| 148 | location_callback, |
| 149 | status_callback, |
| 150 | sv_status_callback, |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 151 | nmea_callback |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 152 | }; |
| 153 | |
| 154 | static void |
| 155 | download_request_callback() |
| 156 | { |
| 157 | pthread_mutex_lock(&sEventMutex); |
| 158 | sPendingCallbacks |= kXtraDownloadRequest; |
| 159 | pthread_cond_signal(&sEventCond); |
| 160 | pthread_mutex_unlock(&sEventMutex); |
| 161 | } |
| 162 | |
| 163 | GpsXtraCallbacks sGpsXtraCallbacks = { |
| 164 | download_request_callback, |
| 165 | }; |
| 166 | |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 167 | AGpsCallbacks sAGpsCallbacks = { |
| 168 | agps_status_callback, |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 169 | }; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 170 | |
| 171 | static void android_location_GpsLocationProvider_class_init_native(JNIEnv* env, jclass clazz) { |
| 172 | method_reportLocation = env->GetMethodID(clazz, "reportLocation", "(IDDDFFFJ)V"); |
| 173 | method_reportStatus = env->GetMethodID(clazz, "reportStatus", "(I)V"); |
| 174 | method_reportSvStatus = env->GetMethodID(clazz, "reportSvStatus", "()V"); |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 175 | method_reportAGpsStatus = env->GetMethodID(clazz, "reportAGpsStatus", "(II)V"); |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 176 | method_reportNmea = env->GetMethodID(clazz, "reportNmea", "(IJ)V"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 177 | method_xtraDownloadRequest = env->GetMethodID(clazz, "xtraDownloadRequest", "()V"); |
| 178 | } |
| 179 | |
| 180 | static jboolean android_location_GpsLocationProvider_is_supported(JNIEnv* env, jclass clazz) { |
| 181 | if (!sGpsInterface) |
| 182 | sGpsInterface = gps_get_interface(); |
| 183 | return (sGpsInterface != NULL); |
| 184 | } |
| 185 | |
| 186 | static jboolean android_location_GpsLocationProvider_init(JNIEnv* env, jobject obj) |
| 187 | { |
| 188 | if (!sGpsInterface) |
| 189 | sGpsInterface = gps_get_interface(); |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 190 | if (!sGpsInterface || sGpsInterface->init(&sGpsCallbacks) != 0) |
| 191 | return false; |
| 192 | |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 193 | if (!sAGpsInterface) |
| 194 | sAGpsInterface = (const AGpsInterface*)sGpsInterface->get_extension(AGPS_INTERFACE); |
| 195 | if (sAGpsInterface) |
| 196 | sAGpsInterface->init(&sAGpsCallbacks); |
Mike Lockwood | c21a08f | 2009-04-30 15:16:39 -0400 | [diff] [blame] | 197 | return true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | static void android_location_GpsLocationProvider_disable(JNIEnv* env, jobject obj) |
| 201 | { |
| 202 | pthread_mutex_lock(&sEventMutex); |
| 203 | sPendingCallbacks |= kDisableRequest; |
| 204 | pthread_cond_signal(&sEventCond); |
| 205 | pthread_mutex_unlock(&sEventMutex); |
| 206 | } |
| 207 | |
| 208 | static void android_location_GpsLocationProvider_cleanup(JNIEnv* env, jobject obj) |
| 209 | { |
| 210 | sGpsInterface->cleanup(); |
| 211 | } |
| 212 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 213 | static jboolean android_location_GpsLocationProvider_start(JNIEnv* env, jobject obj, jint positionMode, |
| 214 | jboolean singleFix, jint fixFrequency) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 215 | { |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 216 | int result = sGpsInterface->set_position_mode(positionMode, (singleFix ? 0 : fixFrequency)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 217 | if (result) { |
David 'Digit' Turner | 9a940e8 | 2009-05-20 14:23:46 +0200 | [diff] [blame] | 218 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 219 | } |
| 220 | |
| 221 | return (sGpsInterface->start() == 0); |
| 222 | } |
| 223 | |
| 224 | static jboolean android_location_GpsLocationProvider_stop(JNIEnv* env, jobject obj) |
| 225 | { |
| 226 | return (sGpsInterface->stop() == 0); |
| 227 | } |
| 228 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 229 | static void android_location_GpsLocationProvider_delete_aiding_data(JNIEnv* env, jobject obj, jint flags) |
| 230 | { |
| 231 | sGpsInterface->delete_aiding_data(flags); |
| 232 | } |
| 233 | |
| 234 | static void android_location_GpsLocationProvider_wait_for_event(JNIEnv* env, jobject obj) |
| 235 | { |
| 236 | pthread_mutex_lock(&sEventMutex); |
| 237 | pthread_cond_wait(&sEventCond, &sEventMutex); |
| 238 | |
| 239 | // copy and clear the callback flags |
| 240 | int pendingCallbacks = sPendingCallbacks; |
| 241 | sPendingCallbacks = 0; |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 242 | int nmeaSentenceCount = mNmeaSentenceCount; |
| 243 | mNmeaSentenceCount = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 244 | |
| 245 | // copy everything and unlock the mutex before calling into Java code to avoid the possibility |
| 246 | // of timeouts in the GPS engine. |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 247 | if (pendingCallbacks & kLocation) |
| 248 | memcpy(&sGpsLocationCopy, &sGpsLocation, sizeof(sGpsLocationCopy)); |
| 249 | if (pendingCallbacks & kStatus) |
| 250 | memcpy(&sGpsStatusCopy, &sGpsStatus, sizeof(sGpsStatusCopy)); |
| 251 | if (pendingCallbacks & kSvStatus) |
| 252 | memcpy(&sGpsSvStatusCopy, &sGpsSvStatus, sizeof(sGpsSvStatusCopy)); |
| 253 | if (pendingCallbacks & kAGpsStatus) |
| 254 | memcpy(&sAGpsStatusCopy, &sAGpsStatus, sizeof(sAGpsStatusCopy)); |
| 255 | if (pendingCallbacks & kNmeaAvailable) |
| 256 | memcpy(&sNmeaBufferCopy, &sNmeaBuffer, nmeaSentenceCount * sizeof(sNmeaBuffer[0])); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 257 | pthread_mutex_unlock(&sEventMutex); |
| 258 | |
| 259 | if (pendingCallbacks & kLocation) { |
| 260 | env->CallVoidMethod(obj, method_reportLocation, sGpsLocationCopy.flags, |
| 261 | (jdouble)sGpsLocationCopy.latitude, (jdouble)sGpsLocationCopy.longitude, |
| 262 | (jdouble)sGpsLocationCopy.altitude, |
| 263 | (jfloat)sGpsLocationCopy.speed, (jfloat)sGpsLocationCopy.bearing, |
| 264 | (jfloat)sGpsLocationCopy.accuracy, (jlong)sGpsLocationCopy.timestamp); |
| 265 | } |
| 266 | if (pendingCallbacks & kStatus) { |
| 267 | env->CallVoidMethod(obj, method_reportStatus, sGpsStatusCopy.status); |
| 268 | } |
| 269 | if (pendingCallbacks & kSvStatus) { |
| 270 | env->CallVoidMethod(obj, method_reportSvStatus); |
| 271 | } |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 272 | if (pendingCallbacks & kAGpsStatus) { |
| 273 | env->CallVoidMethod(obj, method_reportAGpsStatus, sAGpsStatusCopy.type, sAGpsStatusCopy.status); |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 274 | } |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 275 | if (pendingCallbacks & kNmeaAvailable) { |
| 276 | for (int i = 0; i < nmeaSentenceCount; i++) { |
| 277 | env->CallVoidMethod(obj, method_reportNmea, i, sNmeaBuffer[i].timestamp); |
| 278 | } |
| 279 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 280 | if (pendingCallbacks & kXtraDownloadRequest) { |
| 281 | env->CallVoidMethod(obj, method_xtraDownloadRequest); |
| 282 | } |
| 283 | if (pendingCallbacks & kDisableRequest) { |
| 284 | // don't need to do anything - we are just poking so wait_for_event will return. |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | static jint android_location_GpsLocationProvider_read_sv_status(JNIEnv* env, jobject obj, |
| 289 | jintArray prnArray, jfloatArray snrArray, jfloatArray elevArray, jfloatArray azumArray, |
| 290 | jintArray maskArray) |
| 291 | { |
| 292 | // this should only be called from within a call to reportStatus, so we don't need to lock here |
| 293 | |
| 294 | jint* prns = env->GetIntArrayElements(prnArray, 0); |
| 295 | jfloat* snrs = env->GetFloatArrayElements(snrArray, 0); |
| 296 | jfloat* elev = env->GetFloatArrayElements(elevArray, 0); |
| 297 | jfloat* azim = env->GetFloatArrayElements(azumArray, 0); |
| 298 | jint* mask = env->GetIntArrayElements(maskArray, 0); |
| 299 | |
| 300 | int num_svs = sGpsSvStatusCopy.num_svs; |
| 301 | for (int i = 0; i < num_svs; i++) { |
| 302 | prns[i] = sGpsSvStatusCopy.sv_list[i].prn; |
| 303 | snrs[i] = sGpsSvStatusCopy.sv_list[i].snr; |
| 304 | elev[i] = sGpsSvStatusCopy.sv_list[i].elevation; |
| 305 | azim[i] = sGpsSvStatusCopy.sv_list[i].azimuth; |
| 306 | } |
| 307 | mask[0] = sGpsSvStatusCopy.ephemeris_mask; |
| 308 | mask[1] = sGpsSvStatusCopy.almanac_mask; |
| 309 | mask[2] = sGpsSvStatusCopy.used_in_fix_mask; |
| 310 | |
| 311 | env->ReleaseIntArrayElements(prnArray, prns, 0); |
| 312 | env->ReleaseFloatArrayElements(snrArray, snrs, 0); |
| 313 | env->ReleaseFloatArrayElements(elevArray, elev, 0); |
| 314 | env->ReleaseFloatArrayElements(azumArray, azim, 0); |
| 315 | env->ReleaseIntArrayElements(maskArray, mask, 0); |
| 316 | return num_svs; |
| 317 | } |
| 318 | |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 319 | static jint android_location_GpsLocationProvider_read_nmea(JNIEnv* env, jobject obj, jint index, jbyteArray nmeaArray, jint buffer_size) |
| 320 | { |
| 321 | // this should only be called from within a call to reportStatus, so we don't need to lock here |
| 322 | |
| 323 | jbyte* nmea = env->GetByteArrayElements(nmeaArray, 0); |
| 324 | |
| 325 | int length = strlen(sNmeaBuffer[index].nmea); |
| 326 | if (length > buffer_size) |
| 327 | length = buffer_size; |
| 328 | memcpy(nmea, sNmeaBuffer[index].nmea, length); |
| 329 | |
| 330 | env->ReleaseByteArrayElements(nmeaArray, nmea, 0); |
| 331 | return length; |
| 332 | } |
| 333 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 334 | static void android_location_GpsLocationProvider_inject_time(JNIEnv* env, jobject obj, jlong time, |
| 335 | jlong timeReference, jint uncertainty) |
| 336 | { |
| 337 | sGpsInterface->inject_time(time, timeReference, uncertainty); |
| 338 | } |
| 339 | |
Mike Lockwood | d26ce0d | 2009-06-11 12:25:46 -0400 | [diff] [blame] | 340 | static void android_location_GpsLocationProvider_inject_location(JNIEnv* env, jobject obj, |
| 341 | jdouble latitude, jdouble longitude, jfloat accuracy) |
| 342 | { |
| 343 | sGpsInterface->inject_location(latitude, longitude, accuracy); |
| 344 | } |
| 345 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 346 | static jboolean android_location_GpsLocationProvider_supports_xtra(JNIEnv* env, jobject obj) |
| 347 | { |
| 348 | if (!sGpsXtraInterface) { |
| 349 | sGpsXtraInterface = (const GpsXtraInterface*)sGpsInterface->get_extension(GPS_XTRA_INTERFACE); |
| 350 | if (sGpsXtraInterface) { |
| 351 | int result = sGpsXtraInterface->init(&sGpsXtraCallbacks); |
| 352 | if (result) { |
| 353 | sGpsXtraInterface = NULL; |
| 354 | } |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | return (sGpsXtraInterface != NULL); |
| 359 | } |
| 360 | |
| 361 | static void android_location_GpsLocationProvider_inject_xtra_data(JNIEnv* env, jobject obj, |
| 362 | jbyteArray data, jint length) |
| 363 | { |
| 364 | jbyte* bytes = env->GetByteArrayElements(data, 0); |
| 365 | sGpsXtraInterface->inject_xtra_data((char *)bytes, length); |
| 366 | env->ReleaseByteArrayElements(data, bytes, 0); |
| 367 | } |
| 368 | |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 369 | static void android_location_GpsLocationProvider_agps_data_conn_open(JNIEnv* env, jobject obj, jstring apn) |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 370 | { |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 371 | if (!sAGpsInterface) { |
| 372 | sAGpsInterface = (const AGpsInterface*)sGpsInterface->get_extension(AGPS_INTERFACE); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 373 | } |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 374 | if (sAGpsInterface) { |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 375 | if (apn == NULL) { |
| 376 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 377 | return; |
| 378 | } |
| 379 | const char *apnStr = env->GetStringUTFChars(apn, NULL); |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 380 | sAGpsInterface->data_conn_open(apnStr); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 381 | env->ReleaseStringUTFChars(apn, apnStr); |
| 382 | } |
| 383 | } |
| 384 | |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 385 | static void android_location_GpsLocationProvider_agps_data_conn_closed(JNIEnv* env, jobject obj) |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 386 | { |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 387 | if (!sAGpsInterface) { |
| 388 | sAGpsInterface = (const AGpsInterface*)sGpsInterface->get_extension(AGPS_INTERFACE); |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 389 | } |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 390 | if (sAGpsInterface) { |
| 391 | sAGpsInterface->data_conn_closed(); |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 392 | } |
| 393 | } |
| 394 | |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 395 | static void android_location_GpsLocationProvider_agps_data_conn_failed(JNIEnv* env, jobject obj) |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 396 | { |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 397 | if (!sAGpsInterface) { |
| 398 | sAGpsInterface = (const AGpsInterface*)sGpsInterface->get_extension(AGPS_INTERFACE); |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 399 | } |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 400 | if (sAGpsInterface) { |
| 401 | sAGpsInterface->data_conn_failed(); |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 402 | } |
| 403 | } |
| 404 | |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 405 | static void android_location_GpsLocationProvider_set_agps_server(JNIEnv* env, jobject obj, |
Mike Lockwood | a9e5461 | 2009-06-19 14:54:42 -0400 | [diff] [blame] | 406 | jint type, jstring hostname, jint port) |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 407 | { |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 408 | if (!sAGpsInterface) { |
| 409 | sAGpsInterface = (const AGpsInterface*)sGpsInterface->get_extension(AGPS_INTERFACE); |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 410 | } |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 411 | if (sAGpsInterface) { |
Mike Lockwood | a9e5461 | 2009-06-19 14:54:42 -0400 | [diff] [blame] | 412 | const char *c_hostname = env->GetStringUTFChars(hostname, NULL); |
| 413 | sAGpsInterface->set_server(type, c_hostname, port); |
| 414 | env->ReleaseStringUTFChars(hostname, c_hostname); |
Mike Lockwood | 58bda98 | 2009-04-14 16:25:07 -0400 | [diff] [blame] | 415 | } |
| 416 | } |
| 417 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 418 | static JNINativeMethod sMethods[] = { |
| 419 | /* name, signature, funcPtr */ |
| 420 | {"class_init_native", "()V", (void *)android_location_GpsLocationProvider_class_init_native}, |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 421 | {"native_is_supported", "()Z", (void*)android_location_GpsLocationProvider_is_supported}, |
| 422 | {"native_init", "()Z", (void*)android_location_GpsLocationProvider_init}, |
| 423 | {"native_disable", "()V", (void*)android_location_GpsLocationProvider_disable}, |
| 424 | {"native_cleanup", "()V", (void*)android_location_GpsLocationProvider_cleanup}, |
| 425 | {"native_start", "(IZI)Z", (void*)android_location_GpsLocationProvider_start}, |
| 426 | {"native_stop", "()Z", (void*)android_location_GpsLocationProvider_stop}, |
| 427 | {"native_delete_aiding_data", "(I)V", (void*)android_location_GpsLocationProvider_delete_aiding_data}, |
| 428 | {"native_wait_for_event", "()V", (void*)android_location_GpsLocationProvider_wait_for_event}, |
| 429 | {"native_read_sv_status", "([I[F[F[F[I)I", (void*)android_location_GpsLocationProvider_read_sv_status}, |
Mike Lockwood | b16e780 | 2009-08-06 09:26:02 -0400 | [diff] [blame^] | 430 | {"native_read_nmea", "(I[BI)I", (void*)android_location_GpsLocationProvider_read_nmea}, |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 431 | {"native_inject_time", "(JJI)V", (void*)android_location_GpsLocationProvider_inject_time}, |
Mike Lockwood | d26ce0d | 2009-06-11 12:25:46 -0400 | [diff] [blame] | 432 | {"native_inject_location", "(DDF)V", (void*)android_location_GpsLocationProvider_inject_location}, |
Mike Lockwood | e3635c9 | 2009-05-11 08:38:02 -0400 | [diff] [blame] | 433 | {"native_supports_xtra", "()Z", (void*)android_location_GpsLocationProvider_supports_xtra}, |
| 434 | {"native_inject_xtra_data", "([BI)V", (void*)android_location_GpsLocationProvider_inject_xtra_data}, |
| 435 | {"native_agps_data_conn_open", "(Ljava/lang/String;)V", (void*)android_location_GpsLocationProvider_agps_data_conn_open}, |
| 436 | {"native_agps_data_conn_closed", "()V", (void*)android_location_GpsLocationProvider_agps_data_conn_closed}, |
| 437 | {"native_agps_data_conn_failed", "()V", (void*)android_location_GpsLocationProvider_agps_data_conn_failed}, |
Mike Lockwood | a9e5461 | 2009-06-19 14:54:42 -0400 | [diff] [blame] | 438 | {"native_set_agps_server", "(ILjava/lang/String;I)V", (void*)android_location_GpsLocationProvider_set_agps_server}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 439 | }; |
| 440 | |
| 441 | int register_android_location_GpsLocationProvider(JNIEnv* env) |
| 442 | { |
| 443 | return jniRegisterNativeMethods(env, "com/android/internal/location/GpsLocationProvider", sMethods, NELEM(sMethods)); |
| 444 | } |
| 445 | |
| 446 | } /* namespace android */ |