/*************************************************************************
 *
 *  The Contents of this file are made available subject to the terms of
 *  the BSD license.
 *  
 *  Copyright 2000, 2010 Oracle and/or its affiliates.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of Sun Microsystems, Inc. nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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 *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *     
 *************************************************************************/

#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Intrinsic.h>

#include "jawt.h"
#include "jawt_md.h"
#include "nativeview.h"

#define MY_ASSERT(X,S) if (!X) { fprintf(stderr,S); return 0L;}

#define SYSTEM_WIN32   1
#define SYSTEM_WIN16   2
#define SYSTEM_JAVA    3
#define SYSTEM_OS2     4
#define SYSTEM_MAC     5
#define SYSTEM_XWINDOW 6

/*****************************************************************************/
/*
 * Class:     NativeView
 * Method:    getNativeWindowSystemType
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_NativeView_getNativeWindowSystemType
  (JNIEnv * env, jobject obj_this)
{
    return (SYSTEM_XWINDOW);
}

/*****************************************************************************/
/*
 * Class:     NativeView
 * Method:    getNativeWindow
 * Signature: ()J
 */
JNIEXPORT jlong JNICALL Java_NativeView_getNativeWindow
  (JNIEnv * env, jobject obj_this)
{
    jboolean                    result  ;
    jint                        lock    ;
    JAWT                        awt     ;
    JAWT_DrawingSurface*        ds      ;
    JAWT_DrawingSurfaceInfo*    dsi     ;
    JAWT_X11DrawingSurfaceInfo* dsi_x11 ;
    Drawable                    drawable;
    Display*                    display ;

	/* Get the AWT */
	awt.version = JAWT_VERSION_1_3;
    result      = JAWT_GetAWT(env, &awt);
    MY_ASSERT(result != JNI_FALSE,"wrong jawt version");

    /* Get the drawing surface */
	if ((ds = awt.GetDrawingSurface(env, obj_this)) == NULL)
		return 0L;

	/* Lock the drawing surface */
	lock = ds->Lock(ds);
    MY_ASSERT((lock & JAWT_LOCK_ERROR)==0,"can't lock the drawing surface");

	/* Get the drawing surface info */
	dsi = ds->GetDrawingSurfaceInfo(ds);

	/* Get the platform-specific drawing info */
    dsi_x11  = (JAWT_X11DrawingSurfaceInfo*)dsi->platformInfo;
	drawable = dsi_x11->drawable;
	display  = dsi_x11->display;

	/* Free the drawing surface info */
	ds->FreeDrawingSurfaceInfo(dsi);
	/* Unlock the drawing surface */
	ds->Unlock(ds);
	/* Free the drawing surface */
	awt.FreeDrawingSurface(ds);

	return ((jlong)drawable);
}