/**
 * Copyright 2011 JogAmp Community. 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.
 * 
 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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 TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of JogAmp Community.
 */
 
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
#include <AppKit/AppKit.h>

#include "NativewindowCommon.h"
#include "jogamp_nativewindow_macosx_OSXUtil.h"

static const char * const ClazzNamePoint = "javax/media/nativewindow/util/Point";
static const char * const ClazzAnyCstrName = "<init>";
static const char * const ClazzNamePointCstrSignature = "(II)V";
static jclass pointClz = NULL;
static jmethodID pointCstr = NULL;

static int _initialized=0;

JNIEXPORT jboolean JNICALL 
Java_jogamp_nativewindow_macosx_OSXUtil_initIDs0(JNIEnv *env, jclass _unused) {
    if(0==_initialized) {
        jclass c;
        c = (*env)->FindClass(env, ClazzNamePoint);
        if(NULL==c) {
            NativewindowCommon_FatalError(env, "FatalError Java_jogamp_newt_driver_macosx_MacWindow_initIDs0: can't find %s", ClazzNamePoint);
        }
        pointClz = (jclass)(*env)->NewGlobalRef(env, c);
        (*env)->DeleteLocalRef(env, c);
        if(NULL==pointClz) {
            NativewindowCommon_FatalError(env, "FatalError Java_jogamp_newt_driver_macosx_MacWindow_initIDs0: can't use %s", ClazzNamePoint);
        }
        pointCstr = (*env)->GetMethodID(env, pointClz, ClazzAnyCstrName, ClazzNamePointCstrSignature);
        if(NULL==pointCstr) {
            NativewindowCommon_FatalError(env, "FatalError Java_jogamp_newt_driver_macosx_MacWindow_initIDs0: can't fetch %s.%s %s",
                ClazzNamePoint, ClazzAnyCstrName, ClazzNamePointCstrSignature);
        }

        _initialized=1;
    }
    return JNI_TRUE;
}

/*
 * Class:     jogamp_newt_driver_macosx_MacWindow
 * Method:    getLocationOnScreenImpl0
 * Signature: (JII)Ljavax/media/nativewindow/util/Point;
 */
JNIEXPORT jobject JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_GetLocationOnScreen0
  (JNIEnv *env, jclass unused, jlong winOrView, jint src_x, jint src_y)
{
    NSRect r;
    int dest_x=-1;
    int dest_y=-1;

    NSObject *nsObj = (NSObject*) ((intptr_t) winOrView);
    NSWindow* win = NULL;

    if( [nsObj isKindOfClass:[NSWindow class]] ) {
        win = (NSWindow*) nsObj;
    } else if( nsObj != NULL && [nsObj isKindOfClass:[NSView class]] ) {
        NSView* view = (NSView*) nsObj;
        win = [view window];
    } else {
        NativewindowCommon_throwNewRuntimeException(env, "neither win not view %p\n", nsObj);
    }

    r.origin.x = src_x;
    r.origin.y = src_x;
    r.size.width = 0;
    r.size.height = 0;
    // NSRect rS = [win convertRectToScreen: r]; // 10.7
    NSPoint oS = [win convertBaseToScreen: r.origin];
    dest_x = (int) oS.x;
    dest_y = (int) oS.y;

    return (*env)->NewObject(env, pointClz, pointCstr, (jint)dest_x, (jint)dest_y);
}