1 /* 2 * Copyright (c) 2004, 2018, 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 <stdlib.h> 27 #include <string.h> 28 #include <unistd.h> 29 #include <dlfcn.h> 30 31 #include <jni.h> 32 #include <sizecalc.h> 33 #include "sun_awt_UNIXToolkit.h" 34 35 #ifndef HEADLESS 36 #include "awt.h" 37 #include "gtk_interface.h" 38 #endif /* !HEADLESS */ 39 40 41 static jclass this_class = NULL; 42 static jmethodID icon_upcall_method = NULL; 43 44 45 /* 46 * Class: sun_awt_UNIXToolkit 47 * Method: check_gtk 48 * Signature: (I)Z 49 */ 50 JNIEXPORT jboolean JNICALL 51 Java_sun_awt_UNIXToolkit_check_1gtk(JNIEnv *env, jclass klass, jint version) { 52 #ifndef HEADLESS 53 return (jboolean)gtk_check_version(version); 54 #else 55 return JNI_FALSE; 56 #endif /* !HEADLESS */ 57 } 58 59 60 /* 61 * Class: sun_awt_UNIXToolkit 62 * Method: load_gtk 63 * Signature: (I)Z 64 */ 65 JNIEXPORT jboolean JNICALL 66 Java_sun_awt_UNIXToolkit_load_1gtk(JNIEnv *env, jclass klass, jint version, 67 jboolean verbose) { 68 #ifndef HEADLESS 69 return (jboolean)gtk_load(env, version, verbose); 70 #else 71 return JNI_FALSE; 72 #endif /* !HEADLESS */ 73 } 74 75 76 /* 77 * Class: sun_awt_UNIXToolkit 78 * Method: unload_gtk 79 * Signature: ()Z 80 */ 81 JNIEXPORT jboolean JNICALL 82 Java_sun_awt_UNIXToolkit_unload_1gtk(JNIEnv *env, jclass klass) 83 { 84 #ifndef HEADLESS 85 return (jboolean)gtk->unload(); 86 #else 87 return JNI_FALSE; 88 #endif /* !HEADLESS */ 89 } 90 91 jboolean init_method(JNIEnv *env, jobject this) 92 { 93 if (this_class == NULL) { 94 this_class = (*env)->NewGlobalRef(env, 95 (*env)->GetObjectClass(env, this)); 96 icon_upcall_method = (*env)->GetMethodID(env, this_class, 97 "loadIconCallback", "([BIIIIIZ)V"); 98 CHECK_NULL_RETURN(icon_upcall_method, JNI_FALSE); 99 } 100 101 return JNI_TRUE; 102 } 103 104 /* 105 * Class: sun_awt_UNIXToolkit 106 * Method: load_gtk_icon 107 * Signature: (Ljava/lang/String)Z 108 * 109 * This method assumes that GTK libs are present. 110 */ 111 JNIEXPORT jboolean JNICALL 112 Java_sun_awt_UNIXToolkit_load_1gtk_1icon(JNIEnv *env, jobject this, 113 jstring filename) 114 { 115 #ifndef HEADLESS 116 int len; 117 char *filename_str = NULL; 118 GError **error = NULL; 119 120 if (filename == NULL) 121 { 122 return JNI_FALSE; 123 } 124 125 len = (*env)->GetStringUTFLength(env, filename); 126 filename_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc, 127 sizeof(char), len + 1); 128 if (filename_str == NULL) { 129 JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError"); 130 return JNI_FALSE; 131 } 132 if (!init_method(env, this) ) { 133 free(filename_str); 134 return JNI_FALSE; 135 } 136 (*env)->GetStringUTFRegion(env, filename, 0, len, filename_str); 137 jboolean result = gtk->get_file_icon_data(env, filename_str, error, 138 icon_upcall_method, this); 139 140 /* Release the strings we've allocated. */ 141 free(filename_str); 142 143 return result; 144 #else /* HEADLESS */ 145 return JNI_FALSE; 146 #endif /* !HEADLESS */ 147 } 148 149 /* 150 * Class: sun_awt_UNIXToolkit 151 * Method: load_stock_icon 152 * Signature: (ILjava/lang/String;IILjava/lang/String;)Z 153 * 154 * This method assumes that GTK libs are present. 155 */ 156 JNIEXPORT jboolean JNICALL 157 Java_sun_awt_UNIXToolkit_load_1stock_1icon(JNIEnv *env, jobject this, 158 jint widget_type, jstring stock_id, jint icon_size, 159 jint text_direction, jstring detail) 160 { 161 #ifndef HEADLESS 162 int len; 163 char *stock_id_str = NULL; 164 char *detail_str = NULL; 165 166 if (stock_id == NULL) 167 { 168 return JNI_FALSE; 169 } 170 171 len = (*env)->GetStringUTFLength(env, stock_id); 172 stock_id_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc, 173 sizeof(char), len + 1); 174 if (stock_id_str == NULL) { 175 JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError"); 176 return JNI_FALSE; 177 } 178 (*env)->GetStringUTFRegion(env, stock_id, 0, len, stock_id_str); 179 180 /* Detail isn't required so check for NULL. */ 181 if (detail != NULL) 182 { 183 len = (*env)->GetStringUTFLength(env, detail); 184 detail_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc, 185 sizeof(char), len + 1); 186 if (detail_str == NULL) { 187 JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError"); 188 return JNI_FALSE; 189 } 190 (*env)->GetStringUTFRegion(env, detail, 0, len, detail_str); 191 } 192 193 if (!init_method(env, this) ) { 194 return JNI_FALSE; 195 } 196 jboolean result = gtk->get_icon_data(env, widget_type, stock_id_str, 197 icon_size, text_direction, detail_str, 198 icon_upcall_method, this); 199 200 /* Release the strings we've allocated. */ 201 free(stock_id_str); 202 if (detail_str != NULL) 203 { 204 free(detail_str); 205 } 206 207 return result; 208 #else /* HEADLESS */ 209 return JNI_FALSE; 210 #endif /* !HEADLESS */ 211 } 212 213 /* 214 * Class: sun_awt_UNIXToolkit 215 * Method: nativeSync 216 * Signature: ()V 217 */ 218 JNIEXPORT void JNICALL 219 Java_sun_awt_UNIXToolkit_nativeSync(JNIEnv *env, jobject this) 220 { 221 #ifndef HEADLESS 222 AWT_LOCK(); 223 XSync(awt_display, False); 224 AWT_UNLOCK(); 225 #endif /* !HEADLESS */ 226 } 227 228 /* 229 * Class: sun_awt_SunToolkit 230 * Method: closeSplashScreen 231 * Signature: ()V 232 */ 233 JNIEXPORT void JNICALL 234 Java_sun_awt_SunToolkit_closeSplashScreen(JNIEnv *env, jclass cls) 235 { 236 typedef void (*SplashClose_t)(); 237 SplashClose_t splashClose; 238 void* hSplashLib = dlopen(0, RTLD_LAZY); 239 if (!hSplashLib) { 240 return; 241 } 242 splashClose = (SplashClose_t)dlsym(hSplashLib, 243 "SplashClose"); 244 if (splashClose) { 245 splashClose(); 246 } 247 dlclose(hSplashLib); 248 } 249 250 /* 251 * Class: sun_awt_UNIXToolkit 252 * Method: gtkCheckVersionImpl 253 * Signature: (III)Ljava/lang/String; 254 */ 255 JNIEXPORT jboolean JNICALL 256 Java_sun_awt_UNIXToolkit_gtkCheckVersionImpl(JNIEnv *env, jobject this, 257 jint major, jint minor, jint micro) 258 { 259 char *ret; 260 261 ret = gtk->gtk_check_version(major, minor, micro); 262 if (ret == NULL) { 263 return TRUE; 264 } 265 266 return FALSE; 267 } 268 269 /* 270 * Class: sun_awt_UNIXToolkit 271 * Method: get_gtk_version 272 * Signature: ()I 273 */ 274 JNIEXPORT jint JNICALL 275 Java_sun_awt_UNIXToolkit_get_1gtk_1version(JNIEnv *env, jclass klass) 276 { 277 #ifndef HEADLESS 278 return gtk ? gtk->version : GTK_ANY; 279 #else 280 return GTK_ANY; 281 #endif /* !HEADLESS */ 282 }