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