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.lcdui;
28:
29: import javax.microedition.lcdui.CustomItem;
30: import javax.microedition.lcdui.Display;
31: import javax.microedition.lcdui.Displayable;
32: import javax.microedition.lcdui.Image;
33: import javax.microedition.lcdui.Item;
34:
35: /**
36: * This I/F processes display events that are not associated directly
37: * with an instance specific DisplayEventConsumer target
38: * (associated with a particular Display).
39: * These are Item-related events processed by static Display methods.
40: *
41: * This I/F is implemented only by
42: * javax.microedition.lcdui.DisplayEventHandlerImpl isolate-wide singleton.
43: *
44: */
45: public interface ItemEventConsumer {
46:
47: /*
48: * ITEM EVENTS - not associated with a particular Display.
49: * Now generated by DisplayEventProducer.
50: *
51: * ITEM_CHANGED/STATE_CHANGE
52: * ITEM_CHANGED/SIZE_REFRESH
53: * ITEM_CHANGED/MAKE_VISIBLE
54: */
55:
56: /**
57: * Called by event delivery to notify an ItemStateChangeListener
58: * of a change in an item
59: *
60: * @param src the Item which has changed
61: */
62: void handleItemStateChangeEvent(Item src);
63:
64: /**
65: * Called by event delivery to refresh the size information
66: * of a CustomItem.
67: *
68: * @param src the CustomItem whose size information is to be updated
69: */
70: void handleItemSizeRefreshEvent(CustomItem src);
71: }
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