/*

 * 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 "gtk_interface.h"

#endif /* !HEADLESS */

static jclass this_class = NULL;

static jmethodID icon_upcall_method = NULL;

/*

 * Class:     sun_awt_UNIXToolkit

 * Method:    check_gtk

 * Signature: (I)Z

 */

JNIEXPORT jboolean JNICALL

Java_sun_awt_UNIXToolkit_check_1gtk(JNIEnv *env, jclass klass, jint version) {

#ifndef HEADLESS

    return (jboolean)gtk_check_version(version);

#else

    return JNI_FALSE;

#endif /* !HEADLESS */

}

/*

 * Class:     sun_awt_UNIXToolkit

 * Method:    load_gtk

 * Signature: (I)Z

 */

JNIEXPORT jboolean JNICALL

Java_sun_awt_UNIXToolkit_load_1gtk(JNIEnv *env, jclass klass, jint version,

                                                             jboolean verbose) {

#ifndef HEADLESS

    return (jboolean)gtk_load(env, version, verbose);

#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)gtk->unload();

#else

    return JNI_FALSE;

#endif /* !HEADLESS */

}

jboolean init_method(JNIEnv *env, jobject this)

{

    if (this_class == NULL) {

        this_class = (*env)->NewGlobalRef(env,

                                          (*env)->GetObjectClass(env, this));

        icon_upcall_method = (*env)->GetMethodID(env, this_class,

                                 "loadIconCallback", "([BIIIIIZ)V");

        CHECK_NULL_RETURN(icon_upcall_method, JNI_FALSE);

    }

    return JNI_TRUE;

}

/*

 * 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;

    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;

    }

    if (!init_method(env, this) ) {

        free(filename_str);

        return JNI_FALSE;

    }

    jboolean result = gtk->get_file_icon_data(env, filename_str, error,

                                            icon_upcall_method, this);

    /* Release the strings we've allocated. */

    free(filename_str);

    return result;

#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;

    jboolean result = JNI_FALSE;

    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;

    }

    /* 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) {

            free(stock_id_str);

            JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");

            return JNI_FALSE;

        }

    }

    if (init_method(env, this)) {

        result = gtk->get_icon_data(env, widget_type, stock_id_str,

                                    icon_size, text_direction, detail_str,

                                    icon_upcall_method, this);

    }

    /* Release the strings we've allocated. */

    free(stock_id_str);

    free(detail_str);

    return result;

#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 = gtk->gtk_check_version(major, minor, micro);

    if (ret == NULL) {

        return TRUE;

    }

    return FALSE;

}

/*

 * Class:     sun_awt_UNIXToolkit

 * Method:    get_gtk_version

 * Signature: ()I

 */

JNIEXPORT jint JNICALL

Java_sun_awt_UNIXToolkit_get_1gtk_1version(JNIEnv *env, jclass klass)

{

#ifndef HEADLESS

    return gtk ? gtk->version : GTK_ANY;

#else

    return GTK_ANY;

#endif /* !HEADLESS */

}