/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#include <jni.h>

#include <dlfcn.h>

typedef int gboolean;

typedef gboolean (GNOME_URL_SHOW_TYPE)(const char *, void **);

typedef gboolean (GNOME_VFS_INIT_TYPE)(void);

GNOME_URL_SHOW_TYPE *gnome_url_show;

GNOME_VFS_INIT_TYPE *gnome_vfs_init;

int init(){

    void *vfs_handle;

    void *gnome_handle;

    const char *errmsg;

    vfs_handle = dlopen("libgnomevfs-2.so.0", RTLD_LAZY);

    if (vfs_handle == NULL) {

#ifdef INTERNAL_BUILD

        fprintf(stderr, "can not load libgnomevfs-2.so\n");

#endif

        return 0;

    }

    dlerror(); /* Clear errors */

    gnome_vfs_init = (GNOME_VFS_INIT_TYPE*)dlsym(vfs_handle, "gnome_vfs_init");

    if (gnome_vfs_init == NULL){

#ifdef INTERNAL_BUILD

        fprintf(stderr, "dlsym( gnome_vfs_init) returned NULL\n");

#endif

        return 0;

    }

    if ((errmsg = dlerror()) != NULL) {

#ifdef INTERNAL_BUILD

        fprintf(stderr, "can not find symbol gnome_vfs_init %s \n", errmsg);

#endif

        return 0;

    }

    // call gonme_vfs_init()

    (*gnome_vfs_init)();

    gnome_handle = dlopen("libgnome-2.so.0", RTLD_LAZY);

    if (gnome_handle == NULL) {

#ifdef INTERNAL_BUILD

        fprintf(stderr, "can not load libgnome-2.so\n");

#endif

        return 0;

    }

    dlerror(); /* Clear errors */

    gnome_url_show = (GNOME_URL_SHOW_TYPE*)dlsym(gnome_handle, "gnome_url_show");

    if ((errmsg = dlerror()) != NULL) {

#ifdef INTERNAL_BUILD

        fprintf(stderr, "can not find symble gnome_url_show\n");

#endif

        return 0;

    }

    return 1;

}

/*

 * Class:     sun_awt_X11_XDesktopPeer

 * Method:    init

 * Signature: ()Z

 */

JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_init

  (JNIEnv *env, jclass cls)

{

    int init_ok = init();

    return init_ok ? JNI_TRUE : JNI_FALSE;

}

/*

 * Class:     sun_awt_X11_XDesktopPeer

 * Method:    gnome_url_show

 * Signature: (Ljava/lang/[B;)Z

 */

JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_gnome_1url_1show

  (JNIEnv *env, jobject obj, jbyteArray url_j)

{

    gboolean success;

    const char* url_c;

    if (gnome_url_show == NULL) {

        return JNI_FALSE;

    }

    url_c = (char*)(*env)->GetByteArrayElements(env, url_j, NULL);

    // call gnome_url_show(const char* , GError**)

    success = (*gnome_url_show)(url_c, NULL);

    (*env)->ReleaseByteArrayElements(env, url_j, (signed char*)url_c, 0);

    return success ? JNI_TRUE : JNI_FALSE;

}