1 /*
   2  * Copyright (c) 2005, 2020, 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 #ifdef HEADLESS
  27     #error This file should not be included in headless library
  28 #endif
  29 
  30 #include "jni_util.h"
  31 #include "gtk_interface.h"
  32 #include "gnome_interface.h"
  33 
  34 static gboolean gtk_has_been_loaded = FALSE;
  35 static gboolean gnome_has_been_loaded = FALSE;
  36 
  37 /*
  38  * Class:     sun_awt_X11_XDesktopPeer
  39  * Method:    init
  40  * Signature: ()Z
  41  */
  42 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_init
  43   (JNIEnv *env, jclass cls, jint version, jboolean verbose)
  44 {
  45 
  46     if (gtk_has_been_loaded || gnome_has_been_loaded) {
  47         return JNI_TRUE;
  48     }
  49 
  50     if (gtk_load(env, version, verbose) && gtk->show_uri_load(env)) {
  51         gtk_has_been_loaded = TRUE;
  52         return JNI_TRUE;
  53     } else if (gnome_load()) {
  54         gnome_has_been_loaded = TRUE;
  55         return JNI_TRUE;
  56     }
  57 
  58     return JNI_FALSE;
  59 }
  60 
  61 /*
  62  * Class:     sun_awt_X11_XDesktopPeer
  63  * Method:    gnome_url_show
  64  * Signature: (Ljava/lang/[B;)Z
  65  */
  66 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_gnome_1url_1show
  67   (JNIEnv *env, jobject obj, jbyteArray url_j)
  68 {
  69     gboolean success = FALSE;
  70     const gchar* url_c;
  71 
  72     url_c = (char*)(*env)->GetByteArrayElements(env, url_j, NULL);
  73     if (url_c == NULL) {
  74         if (!(*env)->ExceptionCheck(env)) {
  75             JNU_ThrowOutOfMemoryError(env, 0);
  76         }
  77         return JNI_FALSE;
  78     }
  79 
  80     if (gtk_has_been_loaded) {
  81         gtk->gdk_threads_enter();
  82         success = gtk->gtk_show_uri(NULL, url_c, GDK_CURRENT_TIME, NULL);
  83         gtk->gdk_threads_leave();
  84     } else if (gnome_has_been_loaded) {
  85         success = (*gnome_url_show)(url_c, NULL);
  86     }
  87 
  88     (*env)->ReleaseByteArrayElements(env, url_j, (signed char*)url_c, 0);
  89 
  90     return success ? JNI_TRUE : JNI_FALSE;
  91 }