1 /*
2 * Copyright (c) 2011, 2014, 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 #include "glass_general.h"
26
27 #include <jni.h>
28 #include <gtk/gtk.h>
29
30 char const * const GDK_WINDOW_DATA_CONTEXT = "glass_window_context";
31
32 jclass jStringCls;
33 jclass jByteBufferCls;
34 jmethodID jByteBufferArray;
35 jmethodID jByteBufferWrap;
36
37 jclass jRunnableCls;
38 jmethodID jRunnableRun;
39
40 jclass jArrayListCls;
41 jmethodID jArrayListInit;
42 jmethodID jArrayListAdd;
43 jmethodID jArrayListGetIdx;
44
45 jmethodID jPixelsAttachData;
46
47 jclass jGtkPixelsCls;
48 jmethodID jGtkPixelsInit;
49
50 jclass jScreenCls;
51 jmethodID jScreenInit;
52 jmethodID jScreenNotifySettingsChanged;
53
54 jmethodID jViewNotifyResize;
55 jmethodID jViewNotifyMouse;
56 jmethodID jViewNotifyRepaint;
57 jmethodID jViewNotifyKey;
58 jmethodID jViewNotifyView;
59 jmethodID jViewNotifyDragEnter;
60 jmethodID jViewNotifyDragOver;
61 jmethodID jViewNotifyDragDrop;
62 jmethodID jViewNotifyDragLeave;
63 jmethodID jViewNotifyScroll;
64 jmethodID jViewNotifyInputMethod;
65 jmethodID jViewNotifyInputMethodDraw;
66 jmethodID jViewNotifyInputMethodCaret;
67 jmethodID jViewNotifyPreeditMode;
68 jmethodID jViewNotifyMenu;
69 jfieldID jViewPtr;
70
71 jmethodID jWindowNotifyResize;
72 jmethodID jWindowNotifyMove;
73 jmethodID jWindowNotifyDestroy;
74 jmethodID jWindowNotifyClose;
75 jmethodID jWindowNotifyFocus;
76 jmethodID jWindowNotifyFocusDisabled;
77 jmethodID jWindowNotifyFocusUngrab;
78 jmethodID jWindowNotifyMoveToAnotherScreen;
79 jmethodID jWindowNotifyLevelChanged;
80 jmethodID jWindowIsEnabled;
81 jmethodID jWindowNotifyDelegatePtr;
82 jfieldID jWindowPtr;
83 jfieldID jCursorPtr;
84
85 jmethodID jGtkWindowNotifyStateChanged;
86
87 jmethodID jClipboardContentChanged;
88
89 jmethodID jSizeInit;
90
91 jmethodID jMapGet;
92 jmethodID jMapKeySet;
93 jmethodID jMapContainsKey;
94
95 jclass jHashSetCls;
96 jmethodID jHashSetInit;
97
98 jmethodID jSetAdd;
99 jmethodID jSetSize;
100 jmethodID jSetToArray;
101
102 jmethodID jIterableIterator;
103 jmethodID jIteratorHasNext;
104 jmethodID jIteratorNext;
105
106 jclass jApplicationCls;
107 jfieldID jApplicationDisplay;
108 jfieldID jApplicationScreen;
109 jfieldID jApplicationVisualID;
110 jmethodID jApplicationReportException;
111 jmethodID jApplicationGetApplication;
112 jmethodID jApplicationGetName;
113
114 void init_threads() {
115 #if !GLIB_CHECK_VERSION(2,31,0)
116 if (!g_thread_supported()) {
117 g_thread_init(NULL);
118 }
119 #endif
120 gdk_threads_init();
121 }
122
123 static jboolean displayValid = JNI_FALSE;
124
125 jboolean
126 is_display_valid() {
127 return displayValid;
128 }
129
130 JNIEXPORT jint JNICALL
131 JNI_OnLoad(JavaVM *jvm, void *reserved)
132 {
133 (void)reserved;
134
135 JNIEnv *env;
136 jclass clazz;
137 Display* display;
138
139 if (jvm->GetEnv((void **)&env, JNI_VERSION_1_6)) {
140 return JNI_ERR; /* JNI version not supported */
141 }
142
143 clazz = env->FindClass("java/lang/String");
144 if (env->ExceptionCheck()) return JNI_ERR;
145 jStringCls = (jclass) env->NewGlobalRef(clazz);
146
147 clazz = env->FindClass("java/nio/ByteBuffer");
148 if (env->ExceptionCheck()) return JNI_ERR;
149 jByteBufferCls = (jclass) env->NewGlobalRef(clazz);
150 jByteBufferArray = env->GetMethodID(jByteBufferCls, "array", "()[B");
151 if (env->ExceptionCheck()) return JNI_ERR;
152 jByteBufferWrap = env->GetStaticMethodID(jByteBufferCls, "wrap", "([B)Ljava/nio/ByteBuffer;");
153 if (env->ExceptionCheck()) return JNI_ERR;
154
155 clazz = env->FindClass("java/lang/Runnable");
156 if (env->ExceptionCheck()) return JNI_ERR;
157
158 jRunnableRun = env->GetMethodID(clazz, "run", "()V");
159 if (env->ExceptionCheck()) return JNI_ERR;
160
161 clazz = env->FindClass("java/util/ArrayList");
162 if (env->ExceptionCheck()) return JNI_ERR;
163 jArrayListCls = (jclass) env->NewGlobalRef(clazz);
164 jArrayListInit = env->GetMethodID(jArrayListCls, "<init>", "()V");
165 if (env->ExceptionCheck()) return JNI_ERR;
166 jArrayListAdd = env->GetMethodID(jArrayListCls, "add", "(Ljava/lang/Object;)Z");
167 if (env->ExceptionCheck()) return JNI_ERR;
168 jArrayListGetIdx = env->GetMethodID(jArrayListCls, "get", "(I)Ljava/lang/Object;");
169 if (env->ExceptionCheck()) return JNI_ERR;
170 clazz = env->FindClass("com/sun/glass/ui/Pixels");
171 if (env->ExceptionCheck()) return JNI_ERR;
172 jPixelsAttachData = env->GetMethodID(clazz, "attachData", "(J)V");
173 if (env->ExceptionCheck()) return JNI_ERR;
174
175 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkPixels");
176 if (env->ExceptionCheck()) return JNI_ERR;
177
178 jGtkPixelsCls = (jclass) env->NewGlobalRef(clazz);
179 jGtkPixelsInit = env->GetMethodID(jGtkPixelsCls, "<init>", "(IILjava/nio/ByteBuffer;)V");
180 if (env->ExceptionCheck()) return JNI_ERR;
181
182 clazz = env->FindClass("com/sun/glass/ui/Screen");
183 if (env->ExceptionCheck()) return JNI_ERR;
184 jScreenCls = (jclass) env->NewGlobalRef(clazz);
185 jScreenInit = env->GetMethodID(jScreenCls, "<init>", "(JIIIIIIIIIIIF)V");
186 if (env->ExceptionCheck()) return JNI_ERR;
187 jScreenNotifySettingsChanged = env->GetStaticMethodID(jScreenCls, "notifySettingsChanged", "()V");
188 if (env->ExceptionCheck()) return JNI_ERR;
189
190 clazz = env->FindClass("com/sun/glass/ui/View");
191 if (env->ExceptionCheck()) return JNI_ERR;
192 jViewNotifyResize = env->GetMethodID(clazz, "notifyResize", "(II)V");
193 if (env->ExceptionCheck()) return JNI_ERR;
194 jViewNotifyMouse = env->GetMethodID(clazz, "notifyMouse", "(IIIIIIIZZ)V");
195 if (env->ExceptionCheck()) return JNI_ERR;
196 jViewNotifyRepaint = env->GetMethodID(clazz, "notifyRepaint", "(IIII)V");
197 if (env->ExceptionCheck()) return JNI_ERR;
198 jViewNotifyKey = env->GetMethodID(clazz, "notifyKey", "(II[CI)V");
199 if (env->ExceptionCheck()) return JNI_ERR;
200 jViewNotifyView = env->GetMethodID(clazz, "notifyView", "(I)V");
201 if (env->ExceptionCheck()) return JNI_ERR;
202 jViewNotifyDragEnter = env->GetMethodID(clazz, "notifyDragEnter", "(IIIII)I");
203 if (env->ExceptionCheck()) return JNI_ERR;
204 jViewNotifyDragOver = env->GetMethodID(clazz, "notifyDragOver", "(IIIII)I");
205 if (env->ExceptionCheck()) return JNI_ERR;
206 jViewNotifyDragDrop = env->GetMethodID(clazz, "notifyDragDrop", "(IIIII)I");
207 if (env->ExceptionCheck()) return JNI_ERR;
208 jViewNotifyDragLeave = env->GetMethodID(clazz, "notifyDragLeave", "()V");
209 if (env->ExceptionCheck()) return JNI_ERR;
210 jViewNotifyScroll = env->GetMethodID(clazz, "notifyScroll", "(IIIIDDIIIIIDD)V");
211 if (env->ExceptionCheck()) return JNI_ERR;
212 jViewNotifyInputMethod = env->GetMethodID(clazz, "notifyInputMethod", "(Ljava/lang/String;[I[I[BIII)V");
213 if (env->ExceptionCheck()) return JNI_ERR;
214 jViewNotifyMenu = env->GetMethodID(clazz, "notifyMenu", "(IIIIZ)V");
215 if (env->ExceptionCheck()) return JNI_ERR;
216 jViewPtr = env->GetFieldID(clazz, "ptr", "J");
217 if (env->ExceptionCheck()) return JNI_ERR;
218
219 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkView");
220 if (env->ExceptionCheck()) return JNI_ERR;
221 jViewNotifyInputMethodDraw = env->GetMethodID(clazz, "notifyInputMethodDraw", "(Ljava/lang/String;III[B)V");
222 if (env->ExceptionCheck()) return JNI_ERR;
223 jViewNotifyInputMethodCaret = env->GetMethodID(clazz, "notifyInputMethodCaret", "(III)V");
224 if (env->ExceptionCheck()) return JNI_ERR;
225 jViewNotifyPreeditMode = env->GetMethodID(clazz, "notifyPreeditMode", "(Z)V");
226 if (env->ExceptionCheck()) return JNI_ERR;
227
228 clazz = env->FindClass("com/sun/glass/ui/Window");
229 if (env->ExceptionCheck()) return JNI_ERR;
230 jWindowNotifyResize = env->GetMethodID(clazz, "notifyResize", "(III)V");
231 if (env->ExceptionCheck()) return JNI_ERR;
232 jWindowNotifyMove = env->GetMethodID(clazz, "notifyMove", "(II)V");
233 if (env->ExceptionCheck()) return JNI_ERR;
234 jWindowNotifyDestroy = env->GetMethodID(clazz, "notifyDestroy", "()V");
235 if (env->ExceptionCheck()) return JNI_ERR;
236 jWindowNotifyClose = env->GetMethodID(clazz, "notifyClose", "()V");
237 if (env->ExceptionCheck()) return JNI_ERR;
238 jWindowNotifyFocus = env->GetMethodID(clazz, "notifyFocus", "(I)V");
239 if (env->ExceptionCheck()) return JNI_ERR;
240 jWindowNotifyFocusDisabled = env->GetMethodID(clazz, "notifyFocusDisabled", "()V");
241 if (env->ExceptionCheck()) return JNI_ERR;
242 jWindowNotifyFocusUngrab = env->GetMethodID(clazz, "notifyFocusUngrab", "()V");
243 if (env->ExceptionCheck()) return JNI_ERR;
244 jWindowNotifyMoveToAnotherScreen = env->GetMethodID(clazz, "notifyMoveToAnotherScreen", "(Lcom/sun/glass/ui/Screen;)V");
245 if (env->ExceptionCheck()) return JNI_ERR;
246 jWindowNotifyLevelChanged = env->GetMethodID(clazz, "notifyLevelChanged", "(I)V");
247 if (env->ExceptionCheck()) return JNI_ERR;
248 jWindowIsEnabled = env->GetMethodID(clazz, "isEnabled", "()Z");
249 if (env->ExceptionCheck()) return JNI_ERR;
250 jWindowNotifyDelegatePtr = env->GetMethodID(clazz, "notifyDelegatePtr", "(J)V");
251 if (env->ExceptionCheck()) return JNI_ERR;
252 jWindowPtr = env->GetFieldID(clazz, "ptr", "J");
253 if (env->ExceptionCheck()) return JNI_ERR;
254
255 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkWindow");
256 if (env->ExceptionCheck()) return JNI_ERR;
257 jGtkWindowNotifyStateChanged =
258 env->GetMethodID(clazz, "notifyStateChanged", "(I)V");
259 if (env->ExceptionCheck()) return JNI_ERR;
260
261 clazz = env->FindClass("com/sun/glass/ui/Clipboard");
262 if (env->ExceptionCheck()) return JNI_ERR;
263 jClipboardContentChanged = env->GetMethodID(clazz, "contentChanged", "()V");
264 if (env->ExceptionCheck()) return JNI_ERR;
265
266 clazz = env->FindClass("com/sun/glass/ui/Cursor");
267 if (env->ExceptionCheck()) return JNI_ERR;
268 jCursorPtr = env->GetFieldID(clazz, "ptr", "J");
269 if (env->ExceptionCheck()) return JNI_ERR;
270
271 clazz = env->FindClass("com/sun/glass/ui/Size");
272 if (env->ExceptionCheck()) return JNI_ERR;
273 jSizeInit = env->GetMethodID(clazz, "<init>", "(II)V");
274 if (env->ExceptionCheck()) return JNI_ERR;
275
276 clazz = env->FindClass("java/util/Map");
277 if (env->ExceptionCheck()) return JNI_ERR;
278 jMapGet = env->GetMethodID(clazz, "get", "(Ljava/lang/Object;)Ljava/lang/Object;");
279 if (env->ExceptionCheck()) return JNI_ERR;
280 jMapKeySet = env->GetMethodID(clazz, "keySet", "()Ljava/util/Set;");
281 if (env->ExceptionCheck()) return JNI_ERR;
282 jMapContainsKey = env->GetMethodID(clazz, "containsKey", "(Ljava/lang/Object;)Z");
283 if (env->ExceptionCheck()) return JNI_ERR;
284
285 clazz = env->FindClass("java/util/HashSet");
286 if (env->ExceptionCheck()) return JNI_ERR;
287 jHashSetCls = (jclass) env->NewGlobalRef(clazz);
288 jHashSetInit = env->GetMethodID(jHashSetCls, "<init>", "()V");
289 if (env->ExceptionCheck()) return JNI_ERR;
290
291 clazz = env->FindClass("java/util/Set");
292 if (env->ExceptionCheck()) return JNI_ERR;
293 jSetAdd = env->GetMethodID(clazz, "add", "(Ljava/lang/Object;)Z");
294 if (env->ExceptionCheck()) return JNI_ERR;
295 jSetSize = env->GetMethodID(clazz, "size", "()I");
296 if (env->ExceptionCheck()) return JNI_ERR;
297 jSetToArray = env->GetMethodID(clazz, "toArray", "([Ljava/lang/Object;)[Ljava/lang/Object;");
298 if (env->ExceptionCheck()) return JNI_ERR;
299
300 clazz = env->FindClass("java/lang/Iterable");
301 if (env->ExceptionCheck()) return JNI_ERR;
302 jIterableIterator = env->GetMethodID(clazz, "iterator", "()Ljava/util/Iterator;");
303 if (env->ExceptionCheck()) return JNI_ERR;
304
305 clazz = env->FindClass("java/util/Iterator");
306 if (env->ExceptionCheck()) return JNI_ERR;
307 jIteratorHasNext = env->GetMethodID(clazz, "hasNext", "()Z");
308 if (env->ExceptionCheck()) return JNI_ERR;
309 jIteratorNext = env->GetMethodID(clazz, "next", "()Ljava/lang/Object;");
310 if (env->ExceptionCheck()) return JNI_ERR;
311
312 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkApplication");
313 if (env->ExceptionCheck()) return JNI_ERR;
314 jApplicationCls = (jclass) env->NewGlobalRef(clazz);
315 jApplicationDisplay = env->GetStaticFieldID(jApplicationCls, "display", "J");
316 if (env->ExceptionCheck()) return JNI_ERR;
317 jApplicationScreen = env->GetStaticFieldID(jApplicationCls, "screen", "I");
318 if (env->ExceptionCheck()) return JNI_ERR;
319 jApplicationVisualID = env->GetStaticFieldID(jApplicationCls, "visualID", "J");
320 if (env->ExceptionCheck()) return JNI_ERR;
321 jApplicationReportException = env->GetStaticMethodID(
322 jApplicationCls, "reportException", "(Ljava/lang/Throwable;)V");
323 if (env->ExceptionCheck()) return JNI_ERR;
324 jApplicationGetApplication = env->GetStaticMethodID(
325 jApplicationCls, "GetApplication", "()Lcom/sun/glass/ui/Application;");
326 if (env->ExceptionCheck()) return JNI_ERR;
327 jApplicationGetName = env->GetMethodID(jApplicationCls, "getName", "()Ljava/lang/String;");
328 if (env->ExceptionCheck()) return JNI_ERR;
329
330 // Before doing anything with GTK we validate that the DISPLAY can be opened
331 display = XOpenDisplay(NULL);
332 if (display != NULL) {
333 XCloseDisplay(display);
334 displayValid = JNI_TRUE;
335 } else {
336 // Invalid DISPLAY, skip initialization
337 return JNI_VERSION_1_6;
338 }
339
340 clazz = env->FindClass("sun/misc/GThreadHelper");
341 if (env->ExceptionCheck()) return JNI_ERR;
342 if (clazz) {
343 jmethodID mid_getAndSetInitializationNeededFlag = env->GetStaticMethodID(clazz, "getAndSetInitializationNeededFlag", "()Z");
344 if (env->ExceptionCheck()) return JNI_ERR;
345 jmethodID mid_lock = env->GetStaticMethodID(clazz, "lock", "()V");
346 if (env->ExceptionCheck()) return JNI_ERR;
347 jmethodID mid_unlock = env->GetStaticMethodID(clazz, "unlock", "()V");
348 if (env->ExceptionCheck()) return JNI_ERR;
349
350 env->CallStaticVoidMethod(clazz, mid_lock);
351
352 if (!env->CallStaticBooleanMethod(clazz, mid_getAndSetInitializationNeededFlag)) {
353 init_threads();
354 }
355
356 env->CallStaticVoidMethod(clazz, mid_unlock);
357 } else {
358 env->ExceptionClear();
359 init_threads();
360 }
361
362 gdk_threads_enter();
363 gtk_init(NULL, NULL);
364
365 return JNI_VERSION_1_6;
366 }
367
368 void
369 glass_throw_exception(JNIEnv * env,
370 const char * exceptionClass,
371 const char * exceptionMessage) {
372 jclass throwableClass = env->FindClass(exceptionClass);
373 if (check_and_clear_exception(env)) return;
374 env->ThrowNew(throwableClass, exceptionMessage);
375 check_and_clear_exception(env);
376 }
377
378 int
379 glass_throw_oom(JNIEnv * env, const char * message) {
380 glass_throw_exception(env, "java/lang/OutOfMemoryError", message);
381 // must return a non-zero value, see HANDLE_MEM_ALLOC_ERROR
382 return 1;
383 }
384
385
386 guint8* convert_BGRA_to_RGBA(const int* pixels, int stride, int height) {
387 guint8* new_pixels = (guint8*) g_malloc(height * stride);
388 int i = 0;
389
390 for (i = 0; i < height * stride; i += 4) {
391 new_pixels[i] = (guint8)(*pixels >> 16);
392 new_pixels[i + 1] = (guint8)(*pixels >> 8);
393 new_pixels[i + 2] = (guint8)(*pixels);
394 new_pixels[i + 3] = (guint8)(*pixels >> 24);
395 pixels++;
396 }
397
398 return new_pixels;
399 }
400
401
402 void dump_jstring_array(JNIEnv* env, jobjectArray arr) {
403 if (arr == NULL) {
404 LOG0("dump: Array is null\n")
405 return;
406 }
407 jsize len = env->GetArrayLength(arr);
408 LOG1("dump: length = %d\n", len)
409 int i = 0;
410 jboolean isCopy;
411 for(i = 0; i < len; i++) {
412 jstring jstr = (jstring) env->GetObjectArrayElement(arr, i);
413 check_and_clear_exception(env);
414 const char* str = env->GetStringUTFChars(jstr, &isCopy);
415 LOG2("dump: s[%d]: %s\n", i, str)
416 }
417 }
418
419 gboolean check_and_clear_exception(JNIEnv *env) {
420 jthrowable t = env->ExceptionOccurred();
421 if (t) {
422 env->ExceptionClear();
423 env->CallStaticVoidMethod(jApplicationCls, jApplicationReportException, t);
424 return TRUE;
425 }
426 return FALSE;
427 }
428
429 // The returned string should be freed with g_free().
430 gchar* get_application_name() {
431 gchar* ret = NULL;
432
433 jobject japp = mainEnv->CallStaticObjectMethod(jApplicationCls, jApplicationGetApplication);
434 CHECK_JNI_EXCEPTION_RET(mainEnv, NULL);
435 jstring jname = (jstring) mainEnv->CallObjectMethod(japp, jApplicationGetName);
436 CHECK_JNI_EXCEPTION_RET(mainEnv, NULL);
437 if (const gchar *name = mainEnv->GetStringUTFChars(jname, NULL)) {
438 ret = g_strdup(name);
439 mainEnv->ReleaseStringUTFChars(jname, name);
440 }
441 return ret;
442 }
443
444 gpointer glass_try_malloc_n(gsize m, gsize n,
445 gboolean zer0 /* initialized to 0 if true*/) {
446 if (n > 0 && m > G_MAXSIZE / n) {
447 return NULL;
448 }
449 return (zer0)
450 ? g_try_malloc0(m * n)
451 : g_try_malloc(m * n);
452 }
453
454 /*
455 * Since we support glib 2.18 we can't use g_try_malloc_n and g_try_malloc0_n
456 * which was introduced in 2.24.
457 * glass_try_malloc_n and glass_try_malloc0_n is replacement for those functions
458 */
459 gpointer glass_try_malloc0_n(gsize m, gsize n) {
460 return glass_try_malloc_n(m, n, TRUE);
461 }
462
463 gpointer glass_try_malloc_n(gsize m, gsize n) {
464 return glass_try_malloc_n(m, n, FALSE);
465 }
466
467 gsize get_files_count(gchar **uris) {
468 if (!uris) {
469 return 0;
470 }
471
472 guint size = g_strv_length(uris);
473 guint files_cnt = 0;
474
475 for (guint i = 0; i < size; ++i) {
476 if (g_str_has_prefix(uris[i], FILE_PREFIX)) {
477 files_cnt++;
478 }
479 }
480 return files_cnt;
481 }
482
483 // Note: passed uris will be freed by this function
484 jobject uris_to_java(JNIEnv *env, gchar **uris, gboolean files) {
485 if (uris == NULL) {
486 return NULL;
487 }
488
489 jobject result = NULL;
490
491 guint size = g_strv_length(uris);
492 guint files_cnt = get_files_count(uris);
493
494 if (files) {
495 if (files_cnt) {
496 result = env->NewObjectArray(files_cnt, jStringCls, NULL);
497 check_and_clear_exception(env);
498
499 for (gsize i = 0; i < size; ++i) {
500 if (g_str_has_prefix(uris[i], FILE_PREFIX)) {
501 gchar* path = g_filename_from_uri(uris[i], NULL, NULL);
502 jstring str = env->NewStringUTF(path);
503 check_and_clear_exception(env);
504 env->SetObjectArrayElement((jobjectArray) result, i, str);
505 check_and_clear_exception(env);
506 g_free(path);
507 }
508 }
509 }
510 } else if (size - files_cnt) {
511 GString* str = g_string_new(NULL); //http://www.ietf.org/rfc/rfc2483.txt
512
513 for (guint i = 0; i < size; ++i) {
514 if (!g_str_has_prefix(uris[i], FILE_PREFIX)
515 && !g_str_has_prefix(uris[i], URI_LIST_COMMENT_PREFIX)) {
516 g_string_append(str, uris[i]);
517 g_string_append(str, URI_LIST_LINE_BREAK);
518 }
519 }
520
521 if (str->len > 2) {
522 g_string_erase(str, str->len - 2, 2);
523 }
524
525 result = env->NewStringUTF(str->str);
526 check_and_clear_exception(env);
527
528 g_string_free(str, TRUE);
529 }
530 g_strfreev(uris);
531 return result;
532 }