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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution 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.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package com.sun.opengl.impl.macosx.awt;
import com.sun.opengl.impl.macosx.*;
import com.sun.opengl.impl.awt.*;
import com.sun.opengl.impl.*;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import javax.media.opengl.*;
import java.security.*;
public class MacOSXJAWTWindow extends JAWTWindow {
public MacOSXJAWTWindow(Object comp) {
super(comp);
}
protected void initNative() throws NativeWindowException {
}
public int lockSurface() throws NativeWindowException {
int ret = super.lockSurface();
if(NativeWindow.LOCK_SUCCESS != ret) {
return ret;
}
ds = JAWT.getJAWT().GetDrawingSurface(component);
if (ds == null) {
// Widget not yet realized
return NativeWindow.LOCK_SURFACE_NOT_READY;
}
int res = ds.Lock();
if ((res & JAWTFactory.JAWT_LOCK_ERROR) != 0) {
throw new GLException("Unable to lock surface");
}
// See whether the surface changed and if so destroy the old
// OpenGL context so it will be recreated (NOTE: removeNotify
// should handle this case, but it may be possible that race
// conditions can cause this code to be triggered -- should test
// more)
if ((res & JAWTFactory.JAWT_LOCK_SURFACE_CHANGED) != 0) {
ret = NativeWindow.LOCK_SURFACE_CHANGED;
}
if (firstLock) {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
dsi = ds.GetDrawingSurfaceInfo();
return null;
}
});
} else {
dsi = ds.GetDrawingSurfaceInfo();
}
if (dsi == null) {
// Widget not yet realized
ds.Unlock();
JAWT.getJAWT().FreeDrawingSurface(ds);
ds = null;
return NativeWindow.LOCK_SURFACE_NOT_READY;
}
firstLock = false;
macosxdsi = (JAWT_MacOSXDrawingSurfaceInfo) dsi.platformInfo();
if (macosxdsi == null) {
// Widget not yet realized
ds.FreeDrawingSurfaceInfo(dsi);
ds.Unlock();
JAWT.getJAWT().FreeDrawingSurface(ds);
ds = null;
dsi = null;
return NativeWindow.LOCK_SURFACE_NOT_READY;
}
drawable = macosxdsi.cocoaViewRef();
// FIXME: Are the followup abstractions available ? would it be usefull ?
display = 0;
visualID = 0;
screen= 0;
screenIndex = 0;
if (drawable == 0) {
// Widget not yet realized
ds.FreeDrawingSurfaceInfo(dsi);
ds.Unlock();
JAWT.getJAWT().FreeDrawingSurface(ds);
ds = null;
dsi = null;
macosxdsi = null;
return NativeWindow.LOCK_SURFACE_NOT_READY;
}
return ret;
}
public void unlockSurface() throws GLException {
if(!isSurfaceLocked()) return;
ds.FreeDrawingSurfaceInfo(dsi);
ds.Unlock();
JAWT.getJAWT().FreeDrawingSurface(ds);
ds = null;
dsi = null;
macosxdsi = null;
super.unlockSurface();
}
// Variables for lockSurface/unlockSurface
private JAWT_DrawingSurface ds;
private JAWT_DrawingSurfaceInfo dsi;
private JAWT_MacOSXDrawingSurfaceInfo macosxdsi;
// Workaround for instance of 4796548
private boolean firstLock = true;
}
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