Source Code Cross Referenced for LCDUIEnvironment.java in  » 6.0-JDK-Modules » j2me » com » sun » midp » lcdui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.midp.lcdui 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright  1990-2007 Sun Microsystems, Inc. All Rights Reserved.
003:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
004:         * 
005:         * This program is free software; you can redistribute it and/or
006:         * modify it under the terms of the GNU General Public License version
007:         * 2 only, as published by the Free Software Foundation.
008:         * 
009:         * This program is distributed in the hope that it will be useful, but
010:         * WITHOUT ANY WARRANTY; without even the implied warranty of
011:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012:         * General Public License version 2 for more details (a copy is
013:         * included at /legal/license.txt).
014:         * 
015:         * You should have received a copy of the GNU General Public License
016:         * version 2 along with this work; if not, write to the Free Software
017:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
018:         * 02110-1301 USA
019:         * 
020:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
021:         * Clara, CA 95054 or visit www.sun.com if you need additional
022:         * information or have any questions.
023:         */
024:
025:        package com.sun.midp.lcdui;
026:
027:        import com.sun.midp.security.*;
028:        import com.sun.midp.events.EventQueue;
029:        import javax.microedition.lcdui.Image;
030:
031:        /**
032:         * Initialize the LCDUI environment.
033:         */
034:        public class LCDUIEnvironment {
035:
036:            /**
037:             * Creates lcdui event producers/handlers/lisneners.
038:             * 
039:             * @param internalSecurityToken
040:             * @param eventQueue
041:             * @param isolateId
042:             * @param foregroundController
043:             */
044:            public LCDUIEnvironment(SecurityToken internalSecurityToken,
045:                    EventQueue eventQueue, int isolateId,
046:                    ForegroundController foregroundController) {
047:
048:                displayEventHandler = DisplayEventHandlerFactory
049:                        .getDisplayEventHandler(internalSecurityToken);
050:
051:                DisplayEventProducer displayEventProducer = new DisplayEventProducer(
052:                        eventQueue);
053:
054:                RepaintEventProducer repaintEventProducer = new RepaintEventProducer(
055:                        eventQueue);
056:
057:                displayContainer = new DisplayContainer(internalSecurityToken,
058:                        isolateId);
059:
060:                /*
061:                 * Because the display handler is implemented in a javax
062:                 * package it cannot created outside of the package, so
063:                 * we have to get it after the static initializer of display the class
064:                 * has been run and then hook up its objects.
065:                 */
066:                displayEventHandler.initDisplayEventHandler(
067:                        displayEventProducer, foregroundController,
068:                        repaintEventProducer, displayContainer);
069:
070:                DisplayEventListener displayEventListener = new DisplayEventListener(
071:                        eventQueue, displayContainer);
072:
073:                /* Bad style of type casting, but DisplayEventHandlerImpl
074:                 * implements both DisplayEventHandler & ItemEventConsumer IFs 
075:                 */
076:                LCDUIEventListener lcduiEventListener = new LCDUIEventListener(
077:                        internalSecurityToken, eventQueue,
078:                        (ItemEventConsumer) displayEventHandler);
079:            }
080:
081:            /**
082:             * Gets DisplayContainer instance. 
083:             *
084:             * @return DisplayContainer
085:             */
086:            public DisplayContainer getDisplayContainer() {
087:                return displayContainer;
088:            }
089:
090:            /** 
091:             * Called during system shutdown.  
092:             */
093:            public void shutDown() {
094:
095:                // shutdown any preempting
096:                displayEventHandler.donePreempting(null);
097:            }
098:
099:            /**
100:             * Sets the trusted state based on the passed in boolean.
101:             *
102:             * @param isTrusted if true state is set to trusted.
103:             */
104:            public void setTrustedState(boolean isTrusted) {
105:                displayEventHandler.setTrustedState(isTrusted);
106:            }
107:
108:            /** Stores array of active displays for a MIDlet suite isolate. */
109:            private DisplayContainer displayContainer;
110:
111:            /**
112:             * Provides interface for display preemption, creation and other
113:             * functionality that can not be publicly added to a javax package.
114:             */
115:            private DisplayEventHandler displayEventHandler;
116:        }
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