01: /*
02: *
03: *
04: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26:
27: package com.sun.midp.main;
28:
29: import com.sun.midp.security.*;
30:
31: /** This class enables the native foreground state to be changed. */
32: public class NativeForegroundState {
33: /** This class only has static methods. */
34: private NativeForegroundState() {
35: }
36:
37: /**
38: * Set foreground display native state, so the native code will know
39: * which display can draw.
40: *
41: * @param token token with the "com.sun.midp.ams" permission allowed
42: * @param displayId Display ID
43: */
44: public static void setState(SecurityToken token, int displayId) {
45: token.checkIfPermissionAllowed(Permissions.AMS);
46: setState(displayId);
47: }
48:
49: /**
50: * Set foreground display native state, so the native code will know
51: * which display can draw.
52: *
53: * @param displayId Display ID
54: */
55: private static native void setState(int displayId);
56: }
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