/*
* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
* 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 <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <dlfcn.h>
#include <jni.h>
#include <sizecalc.h>
#include "sun_awt_UNIXToolkit.h"
#ifndef HEADLESS
#include "awt.h"
#include "gtk2_interface.h"
#endif /* !HEADLESS */
static jclass this_class = NULL;
static jmethodID icon_upcall_method = NULL;
/*
* Class: sun_awt_UNIXToolkit
* Method: check_gtk
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_UNIXToolkit_check_1gtk(JNIEnv *env, jclass klass)
{
#ifndef HEADLESS
return (jboolean)gtk2_check_version();
#else
return JNI_FALSE;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_UNIXToolkit
* Method: load_gtk
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_UNIXToolkit_load_1gtk(JNIEnv *env, jclass klass)
{
#ifndef HEADLESS
return (jboolean)gtk2_load();
#else
return JNI_FALSE;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_UNIXToolkit
* Method: unload_gtk
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_UNIXToolkit_unload_1gtk(JNIEnv *env, jclass klass)
{
#ifndef HEADLESS
return (jboolean)gtk2_unload();
#else
return JNI_FALSE;
#endif /* !HEADLESS */
}
jboolean _icon_upcall(JNIEnv *env, jobject this, GdkPixbuf *pixbuf)
{
jboolean result = JNI_FALSE;
if (this_class == NULL) {
this_class = (*env)->NewGlobalRef(env,
(*env)->GetObjectClass(env, this));
icon_upcall_method = (*env)->GetMethodID(env, this_class,
"loadIconCallback", "([BIIIIIZ)V");
}
if (pixbuf != NULL)
{
guchar *pixbuf_data = (*fp_gdk_pixbuf_get_pixels)(pixbuf);
int row_stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf);
int width = (*fp_gdk_pixbuf_get_width)(pixbuf);
int height = (*fp_gdk_pixbuf_get_height)(pixbuf);
int bps = (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf);
int channels = (*fp_gdk_pixbuf_get_n_channels)(pixbuf);
gboolean alpha = (*fp_gdk_pixbuf_get_has_alpha)(pixbuf);
/* Copy the data array into a Java structure so we can pass it back. */
jbyteArray data = (*env)->NewByteArray(env, (row_stride * height));
(*env)->SetByteArrayRegion(env, data, 0, (row_stride * height),
(jbyte *)pixbuf_data);
/* Release the pixbuf. */
(*fp_g_object_unref)(pixbuf);
/* Call the callback method to create the image on the Java side. */
(*env)->CallVoidMethod(env, this, icon_upcall_method, data,
width, height, row_stride, bps, channels, alpha);
result = JNI_TRUE;
}
return result;
}
/*
* Class: sun_awt_UNIXToolkit
* Method: load_gtk_icon
* Signature: (Ljava/lang/String)Z
*
* This method assumes that GTK libs are present.
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_UNIXToolkit_load_1gtk_1icon(JNIEnv *env, jobject this,
jstring filename)
{
#ifndef HEADLESS
int len;
char *filename_str = NULL;
GError **error = NULL;
GdkPixbuf *pixbuf;
if (filename == NULL)
{
return JNI_FALSE;
}
len = (*env)->GetStringUTFLength(env, filename);
filename_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
sizeof(char), len + 1);
if (filename_str == NULL) {
JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
return JNI_FALSE;
}
(*env)->GetStringUTFRegion(env, filename, 0, len, filename_str);
pixbuf = (*fp_gdk_pixbuf_new_from_file)(filename_str, error);
/* Release the strings we've allocated. */
free(filename_str);
return _icon_upcall(env, this, pixbuf);
#else /* HEADLESS */
return JNI_FALSE;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_UNIXToolkit
* Method: load_stock_icon
* Signature: (ILjava/lang/String;IILjava/lang/String;)Z
*
* This method assumes that GTK libs are present.
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_UNIXToolkit_load_1stock_1icon(JNIEnv *env, jobject this,
jint widget_type, jstring stock_id, jint icon_size,
jint text_direction, jstring detail)
{
#ifndef HEADLESS
int len;
char *stock_id_str = NULL;
char *detail_str = NULL;
GdkPixbuf *pixbuf;
if (stock_id == NULL)
{
return JNI_FALSE;
}
len = (*env)->GetStringUTFLength(env, stock_id);
stock_id_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
sizeof(char), len + 1);
if (stock_id_str == NULL) {
JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
return JNI_FALSE;
}
(*env)->GetStringUTFRegion(env, stock_id, 0, len, stock_id_str);
/* Detail isn't required so check for NULL. */
if (detail != NULL)
{
len = (*env)->GetStringUTFLength(env, detail);
detail_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
sizeof(char), len + 1);
if (detail_str == NULL) {
JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
return JNI_FALSE;
}
(*env)->GetStringUTFRegion(env, detail, 0, len, detail_str);
}
pixbuf = gtk2_get_stock_icon(widget_type, stock_id_str, icon_size,
text_direction, detail_str);
/* Release the strings we've allocated. */
free(stock_id_str);
if (detail_str != NULL)
{
free(detail_str);
}
return _icon_upcall(env, this, pixbuf);
#else /* HEADLESS */
return JNI_FALSE;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_UNIXToolkit
* Method: nativeSync
* Signature: ()V
*/
JNIEXPORT void JNICALL
Java_sun_awt_UNIXToolkit_nativeSync(JNIEnv *env, jobject this)
{
#ifndef HEADLESS
AWT_LOCK();
XSync(awt_display, False);
AWT_UNLOCK();
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_SunToolkit
* Method: closeSplashScreen
* Signature: ()V
*/
JNIEXPORT void JNICALL
Java_sun_awt_SunToolkit_closeSplashScreen(JNIEnv *env, jclass cls)
{
typedef void (*SplashClose_t)();
SplashClose_t splashClose;
void* hSplashLib = dlopen(0, RTLD_LAZY);
if (!hSplashLib) {
return;
}
splashClose = (SplashClose_t)dlsym(hSplashLib,
"SplashClose");
if (splashClose) {
splashClose();
}
dlclose(hSplashLib);
}
/*
* Class: sun_awt_UNIXToolkit
* Method: gtkCheckVersionImpl
* Signature: (III)Ljava/lang/String;
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_UNIXToolkit_gtkCheckVersionImpl(JNIEnv *env, jobject this,
jint major, jint minor, jint micro)
{
char *ret;
ret = fp_gtk_check_version(major, minor, micro);
if (ret == NULL) {
return TRUE;
}
free(ret);
return FALSE;
}