1 /* 2 * Copyright (c) 2011, 2016, 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 static jboolean displayValid = JNI_FALSE; 115 116 jboolean 117 is_display_valid() { 118 return displayValid; 119 } 120 121 JavaVM* javaVM; 122 123 JNIEXPORT jint JNICALL 124 JNI_OnLoad(JavaVM *jvm, void *reserved) 125 { 126 (void)reserved; 127 128 JNIEnv *env; 129 jclass clazz; 130 Display* display; 131 132 javaVM = jvm; 133 if (jvm->GetEnv((void **)&env, JNI_VERSION_1_6)) { 134 return JNI_ERR; /* JNI version not supported */ 135 } 136 137 clazz = env->FindClass("java/lang/String"); 138 if (env->ExceptionCheck()) return JNI_ERR; 139 jStringCls = (jclass) env->NewGlobalRef(clazz); 140 141 clazz = env->FindClass("java/nio/ByteBuffer"); 142 if (env->ExceptionCheck()) return JNI_ERR; 143 jByteBufferCls = (jclass) env->NewGlobalRef(clazz); 144 jByteBufferArray = env->GetMethodID(jByteBufferCls, "array", "()[B"); 145 if (env->ExceptionCheck()) return JNI_ERR; 146 jByteBufferWrap = env->GetStaticMethodID(jByteBufferCls, "wrap", "([B)Ljava/nio/ByteBuffer;"); 147 if (env->ExceptionCheck()) return JNI_ERR; 148 149 clazz = env->FindClass("java/lang/Runnable"); 150 if (env->ExceptionCheck()) return JNI_ERR; 151 152 jRunnableRun = env->GetMethodID(clazz, "run", "()V"); 153 if (env->ExceptionCheck()) return JNI_ERR; 154 155 clazz = env->FindClass("java/util/ArrayList"); 156 if (env->ExceptionCheck()) return JNI_ERR; 157 jArrayListCls = (jclass) env->NewGlobalRef(clazz); 158 jArrayListInit = env->GetMethodID(jArrayListCls, "<init>", "()V"); 159 if (env->ExceptionCheck()) return JNI_ERR; 160 jArrayListAdd = env->GetMethodID(jArrayListCls, "add", "(Ljava/lang/Object;)Z"); 161 if (env->ExceptionCheck()) return JNI_ERR; 162 jArrayListGetIdx = env->GetMethodID(jArrayListCls, "get", "(I)Ljava/lang/Object;"); 163 if (env->ExceptionCheck()) return JNI_ERR; 164 clazz = env->FindClass("com/sun/glass/ui/Pixels"); 165 if (env->ExceptionCheck()) return JNI_ERR; 166 jPixelsAttachData = env->GetMethodID(clazz, "attachData", "(J)V"); 167 if (env->ExceptionCheck()) return JNI_ERR; 168 169 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkPixels"); 170 if (env->ExceptionCheck()) return JNI_ERR; 171 172 jGtkPixelsCls = (jclass) env->NewGlobalRef(clazz); 173 jGtkPixelsInit = env->GetMethodID(jGtkPixelsCls, "<init>", "(IILjava/nio/ByteBuffer;)V"); 174 if (env->ExceptionCheck()) return JNI_ERR; 175 176 clazz = env->FindClass("com/sun/glass/ui/Screen"); 177 if (env->ExceptionCheck()) return JNI_ERR; 178 jScreenCls = (jclass) env->NewGlobalRef(clazz); 179 jScreenInit = env->GetMethodID(jScreenCls, "<init>", "(JIIIIIIIIIIIIIIIFFFF)V"); 180 if (env->ExceptionCheck()) return JNI_ERR; 181 jScreenNotifySettingsChanged = env->GetStaticMethodID(jScreenCls, "notifySettingsChanged", "()V"); 182 if (env->ExceptionCheck()) return JNI_ERR; 183 184 clazz = env->FindClass("com/sun/glass/ui/View"); 185 if (env->ExceptionCheck()) return JNI_ERR; 186 jViewNotifyResize = env->GetMethodID(clazz, "notifyResize", "(II)V"); 187 if (env->ExceptionCheck()) return JNI_ERR; 188 jViewNotifyMouse = env->GetMethodID(clazz, "notifyMouse", "(IIIIIIIZZ)V"); 189 if (env->ExceptionCheck()) return JNI_ERR; 190 jViewNotifyRepaint = env->GetMethodID(clazz, "notifyRepaint", "(IIII)V"); 191 if (env->ExceptionCheck()) return JNI_ERR; 192 jViewNotifyKey = env->GetMethodID(clazz, "notifyKey", "(II[CI)V"); 193 if (env->ExceptionCheck()) return JNI_ERR; 194 jViewNotifyView = env->GetMethodID(clazz, "notifyView", "(I)V"); 195 if (env->ExceptionCheck()) return JNI_ERR; 196 jViewNotifyDragEnter = env->GetMethodID(clazz, "notifyDragEnter", "(IIIII)I"); 197 if (env->ExceptionCheck()) return JNI_ERR; 198 jViewNotifyDragOver = env->GetMethodID(clazz, "notifyDragOver", "(IIIII)I"); 199 if (env->ExceptionCheck()) return JNI_ERR; 200 jViewNotifyDragDrop = env->GetMethodID(clazz, "notifyDragDrop", "(IIIII)I"); 201 if (env->ExceptionCheck()) return JNI_ERR; 202 jViewNotifyDragLeave = env->GetMethodID(clazz, "notifyDragLeave", "()V"); 203 if (env->ExceptionCheck()) return JNI_ERR; 204 jViewNotifyScroll = env->GetMethodID(clazz, "notifyScroll", "(IIIIDDIIIIIDD)V"); 205 if (env->ExceptionCheck()) return JNI_ERR; 206 jViewNotifyInputMethod = env->GetMethodID(clazz, "notifyInputMethod", "(Ljava/lang/String;[I[I[BIII)V"); 207 if (env->ExceptionCheck()) return JNI_ERR; 208 jViewNotifyMenu = env->GetMethodID(clazz, "notifyMenu", "(IIIIZ)V"); 209 if (env->ExceptionCheck()) return JNI_ERR; 210 jViewPtr = env->GetFieldID(clazz, "ptr", "J"); 211 if (env->ExceptionCheck()) return JNI_ERR; 212 213 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkView"); 214 if (env->ExceptionCheck()) return JNI_ERR; 215 jViewNotifyInputMethodDraw = env->GetMethodID(clazz, "notifyInputMethodDraw", "(Ljava/lang/String;III[B)V"); 216 if (env->ExceptionCheck()) return JNI_ERR; 217 jViewNotifyInputMethodCaret = env->GetMethodID(clazz, "notifyInputMethodCaret", "(III)V"); 218 if (env->ExceptionCheck()) return JNI_ERR; 219 jViewNotifyPreeditMode = env->GetMethodID(clazz, "notifyPreeditMode", "(Z)V"); 220 if (env->ExceptionCheck()) return JNI_ERR; 221 222 clazz = env->FindClass("com/sun/glass/ui/Window"); 223 if (env->ExceptionCheck()) return JNI_ERR; 224 jWindowNotifyResize = env->GetMethodID(clazz, "notifyResize", "(III)V"); 225 if (env->ExceptionCheck()) return JNI_ERR; 226 jWindowNotifyMove = env->GetMethodID(clazz, "notifyMove", "(II)V"); 227 if (env->ExceptionCheck()) return JNI_ERR; 228 jWindowNotifyDestroy = env->GetMethodID(clazz, "notifyDestroy", "()V"); 229 if (env->ExceptionCheck()) return JNI_ERR; 230 jWindowNotifyClose = env->GetMethodID(clazz, "notifyClose", "()V"); 231 if (env->ExceptionCheck()) return JNI_ERR; 232 jWindowNotifyFocus = env->GetMethodID(clazz, "notifyFocus", "(I)V"); 233 if (env->ExceptionCheck()) return JNI_ERR; 234 jWindowNotifyFocusDisabled = env->GetMethodID(clazz, "notifyFocusDisabled", "()V"); 235 if (env->ExceptionCheck()) return JNI_ERR; 236 jWindowNotifyFocusUngrab = env->GetMethodID(clazz, "notifyFocusUngrab", "()V"); 237 if (env->ExceptionCheck()) return JNI_ERR; 238 jWindowNotifyMoveToAnotherScreen = env->GetMethodID(clazz, "notifyMoveToAnotherScreen", "(Lcom/sun/glass/ui/Screen;)V"); 239 if (env->ExceptionCheck()) return JNI_ERR; 240 jWindowNotifyLevelChanged = env->GetMethodID(clazz, "notifyLevelChanged", "(I)V"); 241 if (env->ExceptionCheck()) return JNI_ERR; 242 jWindowIsEnabled = env->GetMethodID(clazz, "isEnabled", "()Z"); 243 if (env->ExceptionCheck()) return JNI_ERR; 244 jWindowNotifyDelegatePtr = env->GetMethodID(clazz, "notifyDelegatePtr", "(J)V"); 245 if (env->ExceptionCheck()) return JNI_ERR; 246 jWindowPtr = env->GetFieldID(clazz, "ptr", "J"); 247 if (env->ExceptionCheck()) return JNI_ERR; 248 249 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkWindow"); 250 if (env->ExceptionCheck()) return JNI_ERR; 251 jGtkWindowNotifyStateChanged = 252 env->GetMethodID(clazz, "notifyStateChanged", "(I)V"); 253 if (env->ExceptionCheck()) return JNI_ERR; 254 255 clazz = env->FindClass("com/sun/glass/ui/Clipboard"); 256 if (env->ExceptionCheck()) return JNI_ERR; 257 jClipboardContentChanged = env->GetMethodID(clazz, "contentChanged", "()V"); 258 if (env->ExceptionCheck()) return JNI_ERR; 259 260 clazz = env->FindClass("com/sun/glass/ui/Cursor"); 261 if (env->ExceptionCheck()) return JNI_ERR; 262 jCursorPtr = env->GetFieldID(clazz, "ptr", "J"); 263 if (env->ExceptionCheck()) return JNI_ERR; 264 265 clazz = env->FindClass("com/sun/glass/ui/Size"); 266 if (env->ExceptionCheck()) return JNI_ERR; 267 jSizeInit = env->GetMethodID(clazz, "<init>", "(II)V"); 268 if (env->ExceptionCheck()) return JNI_ERR; 269 270 clazz = env->FindClass("java/util/Map"); 271 if (env->ExceptionCheck()) return JNI_ERR; 272 jMapGet = env->GetMethodID(clazz, "get", "(Ljava/lang/Object;)Ljava/lang/Object;"); 273 if (env->ExceptionCheck()) return JNI_ERR; 274 jMapKeySet = env->GetMethodID(clazz, "keySet", "()Ljava/util/Set;"); 275 if (env->ExceptionCheck()) return JNI_ERR; 276 jMapContainsKey = env->GetMethodID(clazz, "containsKey", "(Ljava/lang/Object;)Z"); 277 if (env->ExceptionCheck()) return JNI_ERR; 278 279 clazz = env->FindClass("java/util/HashSet"); 280 if (env->ExceptionCheck()) return JNI_ERR; 281 jHashSetCls = (jclass) env->NewGlobalRef(clazz); 282 jHashSetInit = env->GetMethodID(jHashSetCls, "<init>", "()V"); 283 if (env->ExceptionCheck()) return JNI_ERR; 284 285 clazz = env->FindClass("java/util/Set"); 286 if (env->ExceptionCheck()) return JNI_ERR; 287 jSetAdd = env->GetMethodID(clazz, "add", "(Ljava/lang/Object;)Z"); 288 if (env->ExceptionCheck()) return JNI_ERR; 289 jSetSize = env->GetMethodID(clazz, "size", "()I"); 290 if (env->ExceptionCheck()) return JNI_ERR; 291 jSetToArray = env->GetMethodID(clazz, "toArray", "([Ljava/lang/Object;)[Ljava/lang/Object;"); 292 if (env->ExceptionCheck()) return JNI_ERR; 293 294 clazz = env->FindClass("java/lang/Iterable"); 295 if (env->ExceptionCheck()) return JNI_ERR; 296 jIterableIterator = env->GetMethodID(clazz, "iterator", "()Ljava/util/Iterator;"); 297 if (env->ExceptionCheck()) return JNI_ERR; 298 299 clazz = env->FindClass("java/util/Iterator"); 300 if (env->ExceptionCheck()) return JNI_ERR; 301 jIteratorHasNext = env->GetMethodID(clazz, "hasNext", "()Z"); 302 if (env->ExceptionCheck()) return JNI_ERR; 303 jIteratorNext = env->GetMethodID(clazz, "next", "()Ljava/lang/Object;"); 304 if (env->ExceptionCheck()) return JNI_ERR; 305 306 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkApplication"); 307 if (env->ExceptionCheck()) return JNI_ERR; 308 jApplicationCls = (jclass) env->NewGlobalRef(clazz); 309 jApplicationDisplay = env->GetStaticFieldID(jApplicationCls, "display", "J"); 310 if (env->ExceptionCheck()) return JNI_ERR; 311 jApplicationScreen = env->GetStaticFieldID(jApplicationCls, "screen", "I"); 312 if (env->ExceptionCheck()) return JNI_ERR; 313 jApplicationVisualID = env->GetStaticFieldID(jApplicationCls, "visualID", "J"); 314 if (env->ExceptionCheck()) return JNI_ERR; 315 jApplicationReportException = env->GetStaticMethodID( 316 jApplicationCls, "reportException", "(Ljava/lang/Throwable;)V"); 317 if (env->ExceptionCheck()) return JNI_ERR; 318 jApplicationGetApplication = env->GetStaticMethodID( 319 jApplicationCls, "GetApplication", "()Lcom/sun/glass/ui/Application;"); 320 if (env->ExceptionCheck()) return JNI_ERR; 321 jApplicationGetName = env->GetMethodID(jApplicationCls, "getName", "()Ljava/lang/String;"); 322 if (env->ExceptionCheck()) return JNI_ERR; 323 324 // Before doing anything with GTK we validate that the DISPLAY can be opened 325 display = XOpenDisplay(NULL); 326 if (display != NULL) { 327 XCloseDisplay(display); 328 displayValid = JNI_TRUE; 329 } else { 330 // Invalid DISPLAY, skip initialization 331 return JNI_VERSION_1_6; 332 } 333 334 return JNI_VERSION_1_6; 335 } 336 337 void 338 glass_throw_exception(JNIEnv * env, 339 const char * exceptionClass, 340 const char * exceptionMessage) { 341 jclass throwableClass = env->FindClass(exceptionClass); 342 if (check_and_clear_exception(env)) return; 343 env->ThrowNew(throwableClass, exceptionMessage); 344 check_and_clear_exception(env); 345 } 346 347 int 348 glass_throw_oom(JNIEnv * env, const char * message) { 349 glass_throw_exception(env, "java/lang/OutOfMemoryError", message); 350 // must return a non-zero value, see HANDLE_MEM_ALLOC_ERROR 351 return 1; 352 } 353 354 355 guint8* convert_BGRA_to_RGBA(const int* pixels, int stride, int height) { 356 guint8* new_pixels = (guint8*) g_malloc(height * stride); 357 int i = 0; 358 359 for (i = 0; i < height * stride; i += 4) { 360 new_pixels[i] = (guint8)(*pixels >> 16); 361 new_pixels[i + 1] = (guint8)(*pixels >> 8); 362 new_pixels[i + 2] = (guint8)(*pixels); 363 new_pixels[i + 3] = (guint8)(*pixels >> 24); 364 pixels++; 365 } 366 367 return new_pixels; 368 } 369 370 371 void dump_jstring_array(JNIEnv* env, jobjectArray arr) { 372 if (arr == NULL) { 373 LOG0("dump: Array is null\n") 374 return; 375 } 376 jsize len = env->GetArrayLength(arr); 377 LOG1("dump: length = %d\n", len) 378 int i = 0; 379 jboolean isCopy; 380 for(i = 0; i < len; i++) { 381 jstring jstr = (jstring) env->GetObjectArrayElement(arr, i); 382 check_and_clear_exception(env); 383 const char* str = env->GetStringUTFChars(jstr, &isCopy); 384 LOG2("dump: s[%d]: %s\n", i, str) 385 } 386 } 387 388 gboolean check_and_clear_exception(JNIEnv *env) { 389 jthrowable t = env->ExceptionOccurred(); 390 if (t) { 391 env->ExceptionClear(); 392 env->CallStaticVoidMethod(jApplicationCls, jApplicationReportException, t); 393 //Clear in case our reporting upcall failed too! 394 env->ExceptionClear(); 395 return TRUE; 396 } 397 return FALSE; 398 } 399 400 // The returned string should be freed with g_free(). 401 gchar* get_application_name() { 402 gchar* ret = NULL; 403 404 jobject japp = mainEnv->CallStaticObjectMethod(jApplicationCls, jApplicationGetApplication); 405 CHECK_JNI_EXCEPTION_RET(mainEnv, NULL); 406 jstring jname = (jstring) mainEnv->CallObjectMethod(japp, jApplicationGetName); 407 CHECK_JNI_EXCEPTION_RET(mainEnv, NULL); 408 if (const gchar *name = mainEnv->GetStringUTFChars(jname, NULL)) { 409 ret = g_strdup(name); 410 mainEnv->ReleaseStringUTFChars(jname, name); 411 } 412 return ret; 413 } 414 415 gpointer glass_try_malloc_n(gsize m, gsize n, 416 gboolean zer0 /* initialized to 0 if true*/) { 417 if (n > 0 && m > G_MAXSIZE / n) { 418 return NULL; 419 } 420 return (zer0) 421 ? g_try_malloc0(m * n) 422 : g_try_malloc(m * n); 423 } 424 425 /* 426 * Since we support glib 2.18 we can't use g_try_malloc_n and g_try_malloc0_n 427 * which was introduced in 2.24. 428 * glass_try_malloc_n and glass_try_malloc0_n is replacement for those functions 429 */ 430 gpointer glass_try_malloc0_n(gsize m, gsize n) { 431 return glass_try_malloc_n(m, n, TRUE); 432 } 433 434 gpointer glass_try_malloc_n(gsize m, gsize n) { 435 return glass_try_malloc_n(m, n, FALSE); 436 } 437 438 gsize get_files_count(gchar **uris) { 439 if (!uris) { 440 return 0; 441 } 442 443 guint size = g_strv_length(uris); 444 guint files_cnt = 0; 445 446 for (guint i = 0; i < size; ++i) { 447 if (g_str_has_prefix(uris[i], FILE_PREFIX)) { 448 files_cnt++; 449 } 450 } 451 return files_cnt; 452 } 453 454 // Note: passed uris will be freed by this function 455 jobject uris_to_java(JNIEnv *env, gchar **uris, gboolean files) { 456 if (uris == NULL) { 457 return NULL; 458 } 459 460 jobject result = NULL; 461 462 guint size = g_strv_length(uris); 463 guint files_cnt = get_files_count(uris); 464 465 if (files) { 466 if (files_cnt) { 467 result = env->NewObjectArray(files_cnt, jStringCls, NULL); 468 check_and_clear_exception(env); 469 470 for (gsize i = 0; i < size; ++i) { 471 if (g_str_has_prefix(uris[i], FILE_PREFIX)) { 472 gchar* path = g_filename_from_uri(uris[i], NULL, NULL); 473 jstring str = env->NewStringUTF(path); 474 check_and_clear_exception(env); 475 env->SetObjectArrayElement((jobjectArray) result, i, str); 476 check_and_clear_exception(env); 477 g_free(path); 478 } 479 } 480 } 481 } else if (size - files_cnt) { 482 GString* str = g_string_new(NULL); //http://www.ietf.org/rfc/rfc2483.txt 483 484 for (guint i = 0; i < size; ++i) { 485 if (!g_str_has_prefix(uris[i], FILE_PREFIX) 486 && !g_str_has_prefix(uris[i], URI_LIST_COMMENT_PREFIX)) { 487 g_string_append(str, uris[i]); 488 g_string_append(str, URI_LIST_LINE_BREAK); 489 } 490 } 491 492 if (str->len > 2) { 493 g_string_erase(str, str->len - 2, 2); 494 } 495 496 result = env->NewStringUTF(str->str); 497 check_and_clear_exception(env); 498 499 g_string_free(str, TRUE); 500 } 501 g_strfreev(uris); 502 return result; 503 }