1 /*
   2  * Copyright (c) 2005, 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 "jni_util.h"
  27 #include "gtk_interface.h"
  28 #include "gnome_interface.h"
  29 
  30 static gboolean gtk_has_been_loaded = FALSE;
  31 static gboolean gnome_has_been_loaded = FALSE;
  32 
  33 /*
  34  * Class:     sun_awt_X11_XDesktopPeer
  35  * Method:    init
  36  * Signature: ()Z
  37  */
  38 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_init
  39   (JNIEnv *env, jclass cls, jint version, jboolean verbose)
  40 {
  41 
  42     if (gtk_has_been_loaded || gnome_has_been_loaded) {
  43         return JNI_TRUE;
  44     }
  45 
  46     if (gtk_load(env, version, verbose) && gtk->show_uri_load(env)) {
  47         gtk_has_been_loaded = TRUE;
  48         return JNI_TRUE;
  49     } else if (gnome_load()) {
  50         gnome_has_been_loaded = TRUE;
  51         return JNI_TRUE;
  52     }
  53 
  54     return JNI_FALSE;
  55 }
  56 
  57 /*
  58  * Class:     sun_awt_X11_XDesktopPeer
  59  * Method:    gnome_url_show
  60  * Signature: (Ljava/lang/[B;)Z
  61  */
  62 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_gnome_1url_1show
  63   (JNIEnv *env, jobject obj, jbyteArray url_j)
  64 {
  65     gboolean success = FALSE;
  66     const gchar* url_c;
  67 
  68     url_c = (char*)(*env)->GetByteArrayElements(env, url_j, NULL);
  69     if (url_c == NULL) {
  70         if (!(*env)->ExceptionCheck(env)) {
  71             JNU_ThrowOutOfMemoryError(env, 0);
  72         }
  73         return JNI_FALSE;
  74     }
  75 
  76     if (gtk_has_been_loaded) {
  77         gtk->gdk_threads_enter();
  78         success = gtk->gtk_show_uri(NULL, url_c, GDK_CURRENT_TIME, NULL);
  79         gtk->gdk_threads_leave();
  80     } else if (gnome_has_been_loaded) {
  81         success = (*gnome_url_show)(url_c, NULL);
  82     }
  83 
  84     (*env)->ReleaseByteArrayElements(env, url_j, (signed char*)url_c, 0);
  85 
  86     return success ? JNI_TRUE : JNI_FALSE;
  87 }