1 /*
2  * Copyright (c) 2002-2008 LWJGL Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  *   notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  *   notice, this list of conditions and the following disclaimer in the
14  *   documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of 'LWJGL' nor the names of
17  *   its contributors may be used to endorse or promote products derived
18  *   from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 package org.lwjgl.opengl;
33 
34 import java.awt.Canvas;
35 
36 import org.lwjgl.LWJGLException;
37 
38 /**
39  *
40  * @author elias_naur <elias_naur@users.sourceforge.net>
41  * @version $Revision$
42  * $Id$
43  */
44 final class MacOSXDisplayPeerInfo extends MacOSXCanvasPeerInfo {
45 	private boolean locked;
46 
MacOSXDisplayPeerInfo(PixelFormat pixel_format, ContextAttribs attribs, boolean support_pbuffer)47 	MacOSXDisplayPeerInfo(PixelFormat pixel_format, ContextAttribs attribs, boolean support_pbuffer) throws LWJGLException {
48 		super(pixel_format, attribs, support_pbuffer);
49 	}
50 
doLockAndInitHandle()51 	protected void doLockAndInitHandle() throws LWJGLException {
52 		if (locked)
53 			throw new RuntimeException("Already locked");
54 		Canvas canvas = ((MacOSXDisplay)Display.getImplementation()).getCanvas();
55 		if (canvas != null) {
56 			initHandle(canvas);
57 			locked = true;
58 		}
59 	}
60 
doUnlock()61 	protected void doUnlock() throws LWJGLException {
62 		if (locked) {
63 			super.doUnlock();
64 			locked = false;
65 		}
66 	}
67 }
68