1 /* 2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #include "splashscreen_impl.h" 27 28 #import <Cocoa/Cocoa.h> 29 #import <objc/objc-auto.h> 30 31 #import <JavaNativeFoundation/JavaNativeFoundation.h> 32 #import "NSApplicationAWT.h" 33 34 #include <sys/time.h> 35 #include <pthread.h> 36 #include <iconv.h> 37 #include <langinfo.h> 38 #include <locale.h> 39 #include <fcntl.h> 40 #include <poll.h> 41 #include <errno.h> 42 #include <sys/types.h> 43 #include <signal.h> 44 #include <unistd.h> 45 #include <dlfcn.h> 46 47 #include <sizecalc.h> 48 49 static NSScreen* SplashNSScreen() 50 { 51 return [[NSScreen screens] objectAtIndex: 0]; 52 } 53 54 static void SplashCenter(Splash * splash) 55 { 56 NSRect screenFrame = [SplashNSScreen() frame]; 57 58 splash->x = (screenFrame.size.width - splash->width) / 2; 59 splash->y = (screenFrame.size.height - splash->height) / 2 + screenFrame.origin.y; 60 } 61 62 unsigned 63 SplashTime(void) { 64 struct timeval tv; 65 struct timezone tz; 66 unsigned long long msec; 67 68 gettimeofday(&tv, &tz); 69 msec = (unsigned long long) tv.tv_sec * 1000 + 70 (unsigned long long) tv.tv_usec / 1000; 71 72 return (unsigned) msec; 73 } 74 75 /* Could use npt but decided to cut down on linked code size */ 76 char* SplashConvertStringAlloc(const char* in, int* size) { 77 const char *codeset; 78 const char *codeset_out; 79 iconv_t cd; 80 size_t rc; 81 char *buf = NULL, *out; 82 size_t bufSize, inSize, outSize; 83 const char* old_locale; 84 85 if (!in) { 86 return NULL; 87 } 88 old_locale = setlocale(LC_ALL, ""); 89 90 codeset = nl_langinfo(CODESET); 91 if ( codeset == NULL || codeset[0] == 0 ) { 92 goto done; 93 } 94 /* we don't need BOM in output so we choose native BE or LE encoding here */ 95 codeset_out = (platformByteOrder()==BYTE_ORDER_MSBFIRST) ? 96 "UCS-2BE" : "UCS-2LE"; 97 98 cd = iconv_open(codeset_out, codeset); 99 if (cd == (iconv_t)-1 ) { 100 goto done; 101 } 102 inSize = strlen(in); 103 buf = SAFE_SIZE_ARRAY_ALLOC(malloc, inSize, 2); 104 if (!buf) { 105 return NULL; 106 } 107 bufSize = inSize*2; // need 2 bytes per char for UCS-2, this is 108 // 2 bytes per source byte max 109 out = buf; outSize = bufSize; 110 /* linux iconv wants char** source and solaris wants const char**... 111 cast to void* */ 112 rc = iconv(cd, (void*)&in, &inSize, &out, &outSize); 113 iconv_close(cd); 114 115 if (rc == (size_t)-1) { 116 free(buf); 117 buf = NULL; 118 } else { 119 if (size) { 120 *size = (bufSize-outSize)/2; /* bytes to wchars */ 121 } 122 } 123 done: 124 setlocale(LC_ALL, old_locale); 125 return buf; 126 } 127 128 129 void 130 SplashInitPlatform(Splash * splash) { 131 pthread_mutex_init(&splash->lock, NULL); 132 133 splash->maskRequired = 0; 134 135 136 //TODO: the following is too much of a hack but should work in 90% cases. 137 // besides we don't use device-dependant drawing, so probably 138 // that's very fine indeed 139 splash->byteAlignment = 1; 140 initFormat(&splash->screenFormat, 0xff << 8, 141 0xff << 16, 0xff << 24, 0xff << 0); 142 splash->screenFormat.byteOrder = 1 ? BYTE_ORDER_LSBFIRST : BYTE_ORDER_MSBFIRST; 143 splash->screenFormat.depthBytes = 4; 144 145 // If this property is present we are running SWT and should not start a runLoop 146 // Can't check if running SWT in webstart, so splash screen in webstart SWT 147 // applications is not supported 148 char envVar[80]; 149 snprintf(envVar, sizeof(envVar), "JAVA_STARTED_ON_FIRST_THREAD_%d", getpid()); 150 if (getenv(envVar) == NULL) { 151 [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^() { 152 [NSApplicationAWT runAWTLoopWithApp:[NSApplicationAWT sharedApplication]]; 153 }]; 154 } 155 } 156 157 void 158 SplashCleanupPlatform(Splash * splash) { 159 splash->maskRequired = 0; 160 } 161 162 void 163 SplashDonePlatform(Splash * splash) { 164 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; 165 166 pthread_mutex_destroy(&splash->lock); 167 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){ 168 if (splash->window) { 169 [splash->window orderOut:nil]; 170 [splash->window release]; 171 } 172 }]; 173 [pool drain]; 174 } 175 176 void 177 SplashLock(Splash * splash) { 178 pthread_mutex_lock(&splash->lock); 179 } 180 181 void 182 SplashUnlock(Splash * splash) { 183 pthread_mutex_unlock(&splash->lock); 184 } 185 186 void 187 SplashInitFrameShape(Splash * splash, int imageIndex) { 188 // No shapes, we rely on alpha compositing 189 } 190 191 void * SplashScreenThread(void *param); 192 void 193 SplashCreateThread(Splash * splash) { 194 pthread_t thr; 195 pthread_attr_t attr; 196 int rc; 197 198 pthread_attr_init(&attr); 199 rc = pthread_create(&thr, &attr, SplashScreenThread, (void *) splash); 200 } 201 202 void 203 SplashRedrawWindow(Splash * splash) { 204 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; 205 206 SplashUpdateScreenData(splash); 207 208 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){ 209 // NSDeviceRGBColorSpace vs. NSCalibratedRGBColorSpace ? 210 NSBitmapImageRep * rep = [[NSBitmapImageRep alloc] 211 initWithBitmapDataPlanes: (unsigned char**)&splash->screenData 212 pixelsWide: splash->width 213 pixelsHigh: splash->height 214 bitsPerSample: 8 215 samplesPerPixel: 4 216 hasAlpha: YES 217 isPlanar: NO 218 colorSpaceName: NSDeviceRGBColorSpace 219 bitmapFormat: NSAlphaFirstBitmapFormat | NSAlphaNonpremultipliedBitmapFormat 220 bytesPerRow: splash->width * 4 221 bitsPerPixel: 32]; 222 223 NSImage * image = [[NSImage alloc] 224 initWithSize: NSMakeSize(splash->width, splash->height)]; 225 [image setBackgroundColor: [NSColor clearColor]]; 226 227 [image addRepresentation: rep]; 228 229 NSImageView * view = [[NSImageView alloc] init]; 230 231 [view setImage: image]; 232 [view setEditable: NO]; 233 //NOTE: we don't set a 'wait cursor' for the view because: 234 // 1. The Cocoa GUI guidelines suggest to avoid it, and use a progress 235 // bar instead. 236 // 2. There simply isn't an instance of NSCursor that represent 237 // the 'wait cursor'. So that is undoable. 238 239 //TODO: only the first image in an animated gif preserves transparency. 240 // Loos like the splash->screenData contains inappropriate data 241 // for all but the first frame. 242 243 [image release]; 244 [rep release]; 245 246 [splash->window setContentView: view]; 247 [splash->window orderFrontRegardless]; 248 }]; 249 250 [pool drain]; 251 } 252 253 void SplashReconfigureNow(Splash * splash) { 254 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; 255 256 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){ 257 SplashCenter(splash); 258 259 if (!splash->window) { 260 return; 261 } 262 263 [splash->window orderOut:nil]; 264 [splash->window setFrame: NSMakeRect(splash->x, splash->y, splash->width, splash->height) 265 display: NO]; 266 }]; 267 268 [pool drain]; 269 270 SplashRedrawWindow(splash); 271 } 272 273 void 274 SplashEventLoop(Splash * splash) { 275 276 /* we should have splash _locked_ on entry!!! */ 277 278 while (1) { 279 struct pollfd pfd[1]; 280 int timeout = -1; 281 int ctl = splash->controlpipe[0]; 282 int rc; 283 int pipes_empty; 284 285 pfd[0].fd = ctl; 286 pfd[0].events = POLLIN | POLLPRI; 287 288 errno = 0; 289 if (splash->isVisible>0 && SplashIsStillLooping(splash)) { 290 timeout = splash->time + splash->frames[splash->currentFrame].delay 291 - SplashTime(); 292 if (timeout < 0) { 293 timeout = 0; 294 } 295 } 296 SplashUnlock(splash); 297 rc = poll(pfd, 1, timeout); 298 SplashLock(splash); 299 if (splash->isVisible > 0 && splash->currentFrame >= 0 && 300 SplashTime() >= splash->time + splash->frames[splash->currentFrame].delay) { 301 SplashNextFrame(splash); 302 SplashRedrawWindow(splash); 303 } 304 if (rc <= 0) { 305 errno = 0; 306 continue; 307 } 308 pipes_empty = 0; 309 while(!pipes_empty) { 310 char buf; 311 312 pipes_empty = 1; 313 if (read(ctl, &buf, sizeof(buf)) > 0) { 314 pipes_empty = 0; 315 switch (buf) { 316 case SPLASHCTL_UPDATE: 317 if (splash->isVisible>0) { 318 SplashRedrawWindow(splash); 319 } 320 break; 321 case SPLASHCTL_RECONFIGURE: 322 if (splash->isVisible>0) { 323 SplashReconfigureNow(splash); 324 } 325 break; 326 case SPLASHCTL_QUIT: 327 return; 328 } 329 } 330 } 331 } 332 } 333 334 void * 335 SplashScreenThread(void *param) { 336 objc_registerThreadWithCollector(); 337 338 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; 339 Splash *splash = (Splash *) param; 340 341 SplashLock(splash); 342 pipe(splash->controlpipe); 343 fcntl(splash->controlpipe[0], F_SETFL, 344 fcntl(splash->controlpipe[0], F_GETFL, 0) | O_NONBLOCK); 345 splash->time = SplashTime(); 346 splash->currentFrame = 0; 347 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){ 348 SplashCenter(splash); 349 350 splash->window = (void*) [[NSWindow alloc] 351 initWithContentRect: NSMakeRect(splash->x, splash->y, splash->width, splash->height) 352 styleMask: NSBorderlessWindowMask 353 backing: NSBackingStoreBuffered 354 defer: NO 355 screen: SplashNSScreen()]; 356 357 [splash->window setOpaque: NO]; 358 [splash->window setBackgroundColor: [NSColor clearColor]]; 359 }]; 360 fflush(stdout); 361 if (splash->window) { 362 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){ 363 [splash->window orderFrontRegardless]; 364 }]; 365 SplashRedrawWindow(splash); 366 SplashEventLoop(splash); 367 } 368 SplashUnlock(splash); 369 SplashDone(splash); 370 371 splash->isVisible=-1; 372 373 [pool drain]; 374 375 return 0; 376 } 377 378 void 379 sendctl(Splash * splash, char code) { 380 if (splash && splash->controlpipe[1]) { 381 write(splash->controlpipe[1], &code, 1); 382 } 383 } 384 385 void 386 SplashClosePlatform(Splash * splash) { 387 sendctl(splash, SPLASHCTL_QUIT); 388 } 389 390 void 391 SplashUpdate(Splash * splash) { 392 sendctl(splash, SPLASHCTL_UPDATE); 393 } 394 395 void 396 SplashReconfigure(Splash * splash) { 397 sendctl(splash, SPLASHCTL_RECONFIGURE); 398 } 399