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 char envVar[80];
147 snprintf(envVar, sizeof(envVar), "JAVA_STARTED_ON_FIRST_THREAD_%d", getpid());
148 if (getenv(envVar) == NULL) {
149 [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^() {
150 [NSApplicationAWT runAWTLoopWithApp:[NSApplicationAWT sharedApplication]];
151 }];
152 }
153 }
154
155 void
156 SplashCleanupPlatform(Splash * splash) {
157 splash->maskRequired = 0;
158 }
159
160 void
161 SplashDonePlatform(Splash * splash) {
162 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
163
164 pthread_mutex_destroy(&splash->lock);
165 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
166 if (splash->window) {
167 [splash->window orderOut:nil];
168 [splash->window release];
169 }
170 }];
171 [pool drain];
172 }
173
174 void
175 SplashLock(Splash * splash) {
176 pthread_mutex_lock(&splash->lock);
177 }
178
179 void
180 SplashUnlock(Splash * splash) {
181 pthread_mutex_unlock(&splash->lock);
182 }
183
184 void
185 SplashInitFrameShape(Splash * splash, int imageIndex) {
186 // No shapes, we rely on alpha compositing
187 }
188
189 void * SplashScreenThread(void *param);
190 void
191 SplashCreateThread(Splash * splash) {
192 pthread_t thr;
193 pthread_attr_t attr;
194 int rc;
195
196 pthread_attr_init(&attr);
197 rc = pthread_create(&thr, &attr, SplashScreenThread, (void *) splash);
198 }
199
200 void
201 SplashRedrawWindow(Splash * splash) {
202 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
203
204 SplashUpdateScreenData(splash);
205
206 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
207 // NSDeviceRGBColorSpace vs. NSCalibratedRGBColorSpace ?
208 NSBitmapImageRep * rep = [[NSBitmapImageRep alloc]
209 initWithBitmapDataPlanes: (unsigned char**)&splash->screenData
210 pixelsWide: splash->width
211 pixelsHigh: splash->height
212 bitsPerSample: 8
213 samplesPerPixel: 4
214 hasAlpha: YES
215 isPlanar: NO
216 colorSpaceName: NSDeviceRGBColorSpace
217 bitmapFormat: NSAlphaFirstBitmapFormat | NSAlphaNonpremultipliedBitmapFormat
218 bytesPerRow: splash->width * 4
219 bitsPerPixel: 32];
220
221 NSImage * image = [[NSImage alloc]
222 initWithSize: NSMakeSize(splash->width, splash->height)];
223 [image setBackgroundColor: [NSColor clearColor]];
224
225 [image addRepresentation: rep];
226
227 NSImageView * view = [[NSImageView alloc] init];
228
229 [view setImage: image];
230 [view setEditable: NO];
231 //NOTE: we don't set a 'wait cursor' for the view because:
232 // 1. The Cocoa GUI guidelines suggest to avoid it, and use a progress
233 // bar instead.
234 // 2. There simply isn't an instance of NSCursor that represent
235 // the 'wait cursor'. So that is undoable.
236
237 //TODO: only the first image in an animated gif preserves transparency.
238 // Loos like the splash->screenData contains inappropriate data
239 // for all but the first frame.
240
241 [image release];
242 [rep release];
243
244 [splash->window setContentView: view];
245 [splash->window orderFrontRegardless];
246 }];
247
248 [pool drain];
249 }
250
251 void SplashReconfigureNow(Splash * splash) {
252 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
253
254 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
255 SplashCenter(splash);
256
257 if (!splash->window) {
258 return;
259 }
260
261 [splash->window orderOut:nil];
262 [splash->window setFrame: NSMakeRect(splash->x, splash->y, splash->width, splash->height)
263 display: NO];
264 }];
265
266 [pool drain];
267
268 SplashRedrawWindow(splash);
269 }
270
271 void
272 SplashEventLoop(Splash * splash) {
273
274 /* we should have splash _locked_ on entry!!! */
275
276 while (1) {
277 struct pollfd pfd[1];
278 int timeout = -1;
279 int ctl = splash->controlpipe[0];
280 int rc;
281 int pipes_empty;
282
283 pfd[0].fd = ctl;
284 pfd[0].events = POLLIN | POLLPRI;
285
286 errno = 0;
287 if (splash->isVisible>0 && SplashIsStillLooping(splash)) {
288 timeout = splash->time + splash->frames[splash->currentFrame].delay
289 - SplashTime();
290 if (timeout < 0) {
291 timeout = 0;
292 }
293 }
294 SplashUnlock(splash);
295 rc = poll(pfd, 1, timeout);
296 SplashLock(splash);
297 if (splash->isVisible > 0 && splash->currentFrame >= 0 &&
298 SplashTime() >= splash->time + splash->frames[splash->currentFrame].delay) {
299 SplashNextFrame(splash);
300 SplashRedrawWindow(splash);
301 }
302 if (rc <= 0) {
303 errno = 0;
304 continue;
305 }
306 pipes_empty = 0;
307 while(!pipes_empty) {
308 char buf;
309
310 pipes_empty = 1;
311 if (read(ctl, &buf, sizeof(buf)) > 0) {
312 pipes_empty = 0;
313 switch (buf) {
314 case SPLASHCTL_UPDATE:
315 if (splash->isVisible>0) {
316 SplashRedrawWindow(splash);
317 }
318 break;
319 case SPLASHCTL_RECONFIGURE:
320 if (splash->isVisible>0) {
321 SplashReconfigureNow(splash);
322 }
323 break;
324 case SPLASHCTL_QUIT:
325 return;
326 }
327 }
328 }
329 }
330 }
331
332 void *
333 SplashScreenThread(void *param) {
334 objc_registerThreadWithCollector();
335
336 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
337 Splash *splash = (Splash *) param;
338
339 SplashLock(splash);
340 pipe(splash->controlpipe);
341 fcntl(splash->controlpipe[0], F_SETFL,
342 fcntl(splash->controlpipe[0], F_GETFL, 0) | O_NONBLOCK);
343 splash->time = SplashTime();
344 splash->currentFrame = 0;
345 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
346 SplashCenter(splash);
347
348 splash->window = (void*) [[NSWindow alloc]
349 initWithContentRect: NSMakeRect(splash->x, splash->y, splash->width, splash->height)
350 styleMask: NSBorderlessWindowMask
351 backing: NSBackingStoreBuffered
352 defer: NO
353 screen: SplashNSScreen()];
354
355 [splash->window setOpaque: NO];
356 [splash->window setBackgroundColor: [NSColor clearColor]];
357 }];
358 fflush(stdout);
359 if (splash->window) {
360 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
361 [splash->window orderFrontRegardless];
362 }];
363 SplashRedrawWindow(splash);
364 SplashEventLoop(splash);
365 }
366 SplashUnlock(splash);
367 SplashDone(splash);
368
369 splash->isVisible=-1;
370
371 [pool drain];
372
373 return 0;
374 }
375
376 void
377 sendctl(Splash * splash, char code) {
378 if (splash && splash->controlpipe[1]) {
379 write(splash->controlpipe[1], &code, 1);
380 }
381 }
382
383 void
384 SplashClosePlatform(Splash * splash) {
385 sendctl(splash, SPLASHCTL_QUIT);
386 }
387
388 void
389 SplashUpdate(Splash * splash) {
390 sendctl(splash, SPLASHCTL_UPDATE);
391 }
392
393 void
394 SplashReconfigure(Splash * splash) {
395 sendctl(splash, SPLASHCTL_RECONFIGURE);
396 }
397