3dphotoshoot: 7f6e6eb3d20e src/android/native

3dphotoshoot

view src/android/native_glue.c @ 7:7f6e6eb3d20e

some progress...

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sat, 23 May 2015 23:14:44 +0300
parents	7eb73ce46dd0
children

line source

1 /*

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 */

18 #include <jni.h>

20 #include <errno.h>

21 #include <string.h>

22 #include <unistd.h>

23 #include <sys/resource.h>

25 #include "native_glue.h"

26 #include <android/log.h>

28 #define ACTIVITY_NAME "com/mutantstargoat/photoshoot3d/MainActivity"

30 #define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, APP_NAME, __VA_ARGS__))

31 #define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, APP_NAME, __VA_ARGS__))

33 /* For debug builds, always enable the debug traces in this library */

34 #ifndef NDEBUG

35 # define LOGV(...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, APP_NAME, __VA_ARGS__))

36 #else

37 # define LOGV(...) ((void)0)

38 #endif

40 /*

41 jint JNI_OnLoad(JavaVM *jvm, void *unused)

42 {

43 JNIEnv *jni;

44 jclass act_cls_local;

46 LOGI("OnLoad called ! <------------------\n");

48 if((*jvm)->GetEnv(jvm, (void**)&jni, JNI_VERSION_1_6) != JNI_OK) {

49 LOGE("OnLoad: failed to get JNIEnv from VM\n");

50 return -1;

51 }

53 jclass foo = (*jni)->FindClass(jni, "java/lang/String");

54 if(!foo) {

55 LOGE("String class not found!!!!!!\n");

56 } else {

57 LOGE("Found String class!!!!!!\n");

58 }

60 if(!(act_cls_local = (*jni)->FindClass(jni, ACTIVITY_NAME))) {

61 LOGE("could not find activity: " ACTIVITY_NAME);

62 return 0;

63 }

64 activity_class = (*jni)->NewGlobalRef(jni, act_cls_local);

66 return JNI_VERSION_1_6;

67 }

68 */

70 static void free_saved_state(struct android_app* android_app) {

71 pthread_mutex_lock(&android_app->mutex);

72 if (android_app->savedState != NULL) {

73 free(android_app->savedState);

74 android_app->savedState = NULL;

75 android_app->savedStateSize = 0;

76 }

77 pthread_mutex_unlock(&android_app->mutex);

78 }

80 int8_t android_app_read_cmd(struct android_app* android_app) {

81 int8_t cmd;

82 if (read(android_app->msgread, &cmd, sizeof(cmd)) == sizeof(cmd)) {

83 switch (cmd) {

84 case APP_CMD_SAVE_STATE:

85 free_saved_state(android_app);

86 break;

87 }

88 return cmd;

89 } else {

90 LOGE("No data on command pipe!");

91 }

92 return -1;

93 }

95 static void print_cur_config(struct android_app* android_app) {

96 char lang[2], country[2];

97 AConfiguration_getLanguage(android_app->config, lang);

98 AConfiguration_getCountry(android_app->config, country);

100 LOGV("Config: mcc=%d mnc=%d lang=%c%c cnt=%c%c orien=%d touch=%d dens=%d "

101 "keys=%d nav=%d keysHid=%d navHid=%d sdk=%d size=%d long=%d "

102 "modetype=%d modenight=%d",

103 AConfiguration_getMcc(android_app->config),

104 AConfiguration_getMnc(android_app->config),

105 lang[0], lang[1], country[0], country[1],

106 AConfiguration_getOrientation(android_app->config),

107 AConfiguration_getTouchscreen(android_app->config),

108 AConfiguration_getDensity(android_app->config),

109 AConfiguration_getKeyboard(android_app->config),

110 AConfiguration_getNavigation(android_app->config),

111 AConfiguration_getKeysHidden(android_app->config),

112 AConfiguration_getNavHidden(android_app->config),

113 AConfiguration_getSdkVersion(android_app->config),

114 AConfiguration_getScreenSize(android_app->config),

115 AConfiguration_getScreenLong(android_app->config),

116 AConfiguration_getUiModeType(android_app->config),

117 AConfiguration_getUiModeNight(android_app->config));

118 }

119

120 void android_app_pre_exec_cmd(struct android_app* android_app, int8_t cmd) {

121 switch (cmd) {

122 case APP_CMD_INPUT_CHANGED:

123 LOGV("APP_CMD_INPUT_CHANGED\n");

124 pthread_mutex_lock(&android_app->mutex);

125 if (android_app->inputQueue != NULL) {

126 AInputQueue_detachLooper(android_app->inputQueue);

127 }

128 android_app->inputQueue = android_app->pendingInputQueue;

129 if (android_app->inputQueue != NULL) {

130 LOGV("Attaching input queue to looper");

131 AInputQueue_attachLooper(android_app->inputQueue,

132 android_app->looper, LOOPER_ID_INPUT, NULL,

133 &android_app->inputPollSource);

134 }

135 pthread_cond_broadcast(&android_app->cond);

136 pthread_mutex_unlock(&android_app->mutex);

137 break;

138

139 case APP_CMD_INIT_WINDOW:

140 LOGV("APP_CMD_INIT_WINDOW\n");

141 pthread_mutex_lock(&android_app->mutex);

142 android_app->window = android_app->pendingWindow;

143 pthread_cond_broadcast(&android_app->cond);

144 pthread_mutex_unlock(&android_app->mutex);

145 break;

146

147 case APP_CMD_TERM_WINDOW:

148 LOGV("APP_CMD_TERM_WINDOW\n");

149 pthread_cond_broadcast(&android_app->cond);

150 break;

151

152 case APP_CMD_RESUME:

153 case APP_CMD_START:

154 case APP_CMD_PAUSE:

155 case APP_CMD_STOP:

156 LOGV("activityState=%d\n", cmd);

157 pthread_mutex_lock(&android_app->mutex);

158 android_app->activityState = cmd;

159 pthread_cond_broadcast(&android_app->cond);

160 pthread_mutex_unlock(&android_app->mutex);

161 break;

162

163 case APP_CMD_CONFIG_CHANGED:

164 LOGV("APP_CMD_CONFIG_CHANGED\n");

165 AConfiguration_fromAssetManager(android_app->config,

166 android_app->activity->assetManager);

167 print_cur_config(android_app);

168 break;

169

170 case APP_CMD_DESTROY:

171 LOGV("APP_CMD_DESTROY\n");

172 android_app->destroyRequested = 1;

173 break;

174 }

175 }

176

177 void android_app_post_exec_cmd(struct android_app* android_app, int8_t cmd) {

178 switch (cmd) {

179 case APP_CMD_TERM_WINDOW:

180 LOGV("APP_CMD_TERM_WINDOW\n");

181 pthread_mutex_lock(&android_app->mutex);

182 android_app->window = NULL;

183 pthread_cond_broadcast(&android_app->cond);

184 pthread_mutex_unlock(&android_app->mutex);

185 break;

186

187 case APP_CMD_SAVE_STATE:

188 LOGV("APP_CMD_SAVE_STATE\n");

189 pthread_mutex_lock(&android_app->mutex);

190 android_app->stateSaved = 1;

191 pthread_cond_broadcast(&android_app->cond);

192 pthread_mutex_unlock(&android_app->mutex);

193 break;

194

195 case APP_CMD_RESUME:

196 free_saved_state(android_app);

197 break;

198 }

199 }

200

201 void app_dummy() {

202

203 }

204

205 static void android_app_destroy(struct android_app* android_app) {

206 LOGV("android_app_destroy!");

207 free_saved_state(android_app);

208 pthread_mutex_lock(&android_app->mutex);

209 if (android_app->inputQueue != NULL) {

210 AInputQueue_detachLooper(android_app->inputQueue);

211 }

212 AConfiguration_delete(android_app->config);

213

214 android_app->destroyed = 1;

215 pthread_cond_broadcast(&android_app->cond);

216 pthread_mutex_unlock(&android_app->mutex);

217 // Can't touch android_app object after this.

218 }

219

220 static void process_input(struct android_app* app, struct android_poll_source* source) {

221 AInputEvent* event = NULL;

222 while (AInputQueue_getEvent(app->inputQueue, &event) >= 0) {

223 LOGV("New input event: type=%d\n", AInputEvent_getType(event));

224 if (AInputQueue_preDispatchEvent(app->inputQueue, event)) {

225 continue;

226 }

227 int32_t handled = 0;

228 if (app->onInputEvent != NULL) handled = app->onInputEvent(app, event);

229 AInputQueue_finishEvent(app->inputQueue, event, handled);

230 }

231 }

232

233 static void process_cmd(struct android_app* app, struct android_poll_source* source) {

234 int8_t cmd = android_app_read_cmd(app);

235 android_app_pre_exec_cmd(app, cmd);

236 if (app->onAppCmd != NULL) app->onAppCmd(app, cmd);

237 android_app_post_exec_cmd(app, cmd);

238 }

239

240 static void* android_app_entry(void* param) {

241 struct android_app* android_app = (struct android_app*)param;

242

243 android_app->config = AConfiguration_new();

244 AConfiguration_fromAssetManager(android_app->config, android_app->activity->assetManager);

245

246 print_cur_config(android_app);

247

248 android_app->cmdPollSource.id = LOOPER_ID_MAIN;

249 android_app->cmdPollSource.app = android_app;

250 android_app->cmdPollSource.process = process_cmd;

251 android_app->inputPollSource.id = LOOPER_ID_INPUT;

252 android_app->inputPollSource.app = android_app;

253 android_app->inputPollSource.process = process_input;

254

255 ALooper* looper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS);

256 ALooper_addFd(looper, android_app->msgread, LOOPER_ID_MAIN, ALOOPER_EVENT_INPUT, NULL,

257 &android_app->cmdPollSource);

258 android_app->looper = looper;

259

260 pthread_mutex_lock(&android_app->mutex);

261 android_app->running = 1;

262 pthread_cond_broadcast(&android_app->cond);

263 pthread_mutex_unlock(&android_app->mutex);

264

265 android_main(android_app);

266

267 android_app_destroy(android_app);

268 return NULL;

269 }

270

271 // --------------------------------------------------------------------

272 // Native activity interaction (called from main thread)

273 // --------------------------------------------------------------------

274

275 static struct android_app* android_app_create(ANativeActivity* activity,

276 void* savedState, size_t savedStateSize) {

277 struct android_app* android_app = malloc(sizeof(struct android_app));

278 memset(android_app, 0, sizeof(struct android_app));

279 android_app->activity = activity;

280

281 pthread_mutex_init(&android_app->mutex, NULL);

282 pthread_cond_init(&android_app->cond, NULL);

283

284 if (savedState != NULL) {

285 android_app->savedState = malloc(savedStateSize);

286 android_app->savedStateSize = savedStateSize;

287 memcpy(android_app->savedState, savedState, savedStateSize);

288 }

289

290 int msgpipe[2];

291 if (pipe(msgpipe)) {

292 LOGE("could not create pipe: %s", strerror(errno));

293 return NULL;

294 }

295 android_app->msgread = msgpipe[0];

296 android_app->msgwrite = msgpipe[1];

297

298 pthread_attr_t attr;

299 pthread_attr_init(&attr);

300 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

301 pthread_create(&android_app->thread, &attr, android_app_entry, android_app);

302

303 // Wait for thread to start.

304 pthread_mutex_lock(&android_app->mutex);

305 while (!android_app->running) {

306 pthread_cond_wait(&android_app->cond, &android_app->mutex);

307 }

308 pthread_mutex_unlock(&android_app->mutex);

309

310 return android_app;

311 }

312

313 static void android_app_write_cmd(struct android_app* android_app, int8_t cmd) {

314 if (write(android_app->msgwrite, &cmd, sizeof(cmd)) != sizeof(cmd)) {

315 LOGE("Failure writing android_app cmd: %s\n", strerror(errno));

316 }

317 }

318

319 static void android_app_set_input(struct android_app* android_app, AInputQueue* inputQueue) {

320 pthread_mutex_lock(&android_app->mutex);

321 android_app->pendingInputQueue = inputQueue;

322 android_app_write_cmd(android_app, APP_CMD_INPUT_CHANGED);

323 while (android_app->inputQueue != android_app->pendingInputQueue) {

324 pthread_cond_wait(&android_app->cond, &android_app->mutex);

325 }

326 pthread_mutex_unlock(&android_app->mutex);

327 }

328

329 static void android_app_set_window(struct android_app* android_app, ANativeWindow* window) {

330 pthread_mutex_lock(&android_app->mutex);

331 if (android_app->pendingWindow != NULL) {

332 android_app_write_cmd(android_app, APP_CMD_TERM_WINDOW);

333 }

334 android_app->pendingWindow = window;

335 if (window != NULL) {

336 android_app_write_cmd(android_app, APP_CMD_INIT_WINDOW);

337 }

338 while (android_app->window != android_app->pendingWindow) {

339 pthread_cond_wait(&android_app->cond, &android_app->mutex);

340 }

341 pthread_mutex_unlock(&android_app->mutex);

342 }

343

344 static void android_app_set_activity_state(struct android_app* android_app, int8_t cmd) {

345 pthread_mutex_lock(&android_app->mutex);

346 android_app_write_cmd(android_app, cmd);

347 while (android_app->activityState != cmd) {

348 pthread_cond_wait(&android_app->cond, &android_app->mutex);

349 }

350 pthread_mutex_unlock(&android_app->mutex);

351 }

352

353 static void android_app_free(struct android_app* android_app) {

354 pthread_mutex_lock(&android_app->mutex);

355 android_app_write_cmd(android_app, APP_CMD_DESTROY);

356 while (!android_app->destroyed) {

357 pthread_cond_wait(&android_app->cond, &android_app->mutex);

358 }

359 pthread_mutex_unlock(&android_app->mutex);

360

361 close(android_app->msgread);

362 close(android_app->msgwrite);

363 pthread_cond_destroy(&android_app->cond);

364 pthread_mutex_destroy(&android_app->mutex);

365 free(android_app);

366 }

367

368 static void onDestroy(ANativeActivity* activity) {

369 LOGV("Destroy: %p\n", activity);

370 android_app_free((struct android_app*)activity->instance);

371 }

372

373 static void onStart(ANativeActivity* activity) {

374 LOGV("Start: %p\n", activity);

375 android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_START);

376 }

377

378 static void onResume(ANativeActivity* activity) {

379 LOGV("Resume: %p\n", activity);

380 android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_RESUME);

381 }

382

383 static void* onSaveInstanceState(ANativeActivity* activity, size_t* outLen) {

384 struct android_app* android_app = (struct android_app*)activity->instance;

385 void* savedState = NULL;

386

387 LOGV("SaveInstanceState: %p\n", activity);

388 pthread_mutex_lock(&android_app->mutex);

389 android_app->stateSaved = 0;

390 android_app_write_cmd(android_app, APP_CMD_SAVE_STATE);

391 while (!android_app->stateSaved) {

392 pthread_cond_wait(&android_app->cond, &android_app->mutex);

393 }

394

395 if (android_app->savedState != NULL) {

396 savedState = android_app->savedState;

397 *outLen = android_app->savedStateSize;

398 android_app->savedState = NULL;

399 android_app->savedStateSize = 0;

400 }

401

402 pthread_mutex_unlock(&android_app->mutex);

403

404 return savedState;

405 }

406

407 static void onPause(ANativeActivity* activity) {

408 LOGV("Pause: %p\n", activity);

409 android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_PAUSE);

410 }

411

412 static void onStop(ANativeActivity* activity) {

413 LOGV("Stop: %p\n", activity);

414 android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_STOP);

415 }

416

417 static void onConfigurationChanged(ANativeActivity* activity) {

418 struct android_app* android_app = (struct android_app*)activity->instance;

419 LOGV("ConfigurationChanged: %p\n", activity);

420 android_app_write_cmd(android_app, APP_CMD_CONFIG_CHANGED);

421 }

422

423 static void onLowMemory(ANativeActivity* activity) {

424 struct android_app* android_app = (struct android_app*)activity->instance;

425 LOGV("LowMemory: %p\n", activity);

426 android_app_write_cmd(android_app, APP_CMD_LOW_MEMORY);

427 }

428

429 static void onWindowFocusChanged(ANativeActivity* activity, int focused) {

430 LOGV("WindowFocusChanged: %p -- %d\n", activity, focused);

431 android_app_write_cmd((struct android_app*)activity->instance,

432 focused ? APP_CMD_GAINED_FOCUS : APP_CMD_LOST_FOCUS);

433 }

434

435 static void onNativeWindowCreated(ANativeActivity* activity, ANativeWindow* window) {

436 LOGV("NativeWindowCreated: %p -- %p\n", activity, window);

437 android_app_set_window((struct android_app*)activity->instance, window);

438 }

439

440 static void onNativeWindowDestroyed(ANativeActivity* activity, ANativeWindow* window) {

441 LOGV("NativeWindowDestroyed: %p -- %p\n", activity, window);

442 android_app_set_window((struct android_app*)activity->instance, NULL);

443 }

444

445 static void onInputQueueCreated(ANativeActivity* activity, AInputQueue* queue) {

446 LOGV("InputQueueCreated: %p -- %p\n", activity, queue);

447 android_app_set_input((struct android_app*)activity->instance, queue);

448 }

449

450 static void onInputQueueDestroyed(ANativeActivity* activity, AInputQueue* queue) {

451 LOGV("InputQueueDestroyed: %p -- %p\n", activity, queue);

452 android_app_set_input((struct android_app*)activity->instance, NULL);

453 }

454

455 void ANativeActivity_onCreate(ANativeActivity* activity,

456 void* savedState, size_t savedStateSize) {

457 LOGV("Creating: %p\n", activity);

458 activity->callbacks->onDestroy = onDestroy;

459 activity->callbacks->onStart = onStart;

460 activity->callbacks->onResume = onResume;

461 activity->callbacks->onSaveInstanceState = onSaveInstanceState;

462 activity->callbacks->onPause = onPause;

463 activity->callbacks->onStop = onStop;

464 activity->callbacks->onConfigurationChanged = onConfigurationChanged;

465 activity->callbacks->onLowMemory = onLowMemory;

466 activity->callbacks->onWindowFocusChanged = onWindowFocusChanged;

467 activity->callbacks->onNativeWindowCreated = onNativeWindowCreated;

468 activity->callbacks->onNativeWindowDestroyed = onNativeWindowDestroyed;

469 activity->callbacks->onInputQueueCreated = onInputQueueCreated;

470 activity->callbacks->onInputQueueDestroyed = onInputQueueDestroyed;

471

472 activity->instance = android_app_create(activity, savedState, savedStateSize);

473 }