/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.midp.automation;
import com.sun.midp.main.*;
import com.sun.midp.events.*;
/**
* Class controlling foreground
*/
final class AutoForegroundStateController
implements AutoDisplayControllerListener {
/** MIDlet proxy list reference. */
private MIDletProxyList midletProxyList;
/** List of AutoMIDletInfo for MIDlet's we are interested in */
private AutoMIDletInfoList midletsInfo;
/** Display controller */
private AutoDisplayController displayController;
/** Events producer */
private MIDletControllerEventProducer midletControllerEventProducer;
/** The one and only AutoMIDletStateController instance */
private static AutoForegroundStateController stateController = null;
/**
* Private constructor to prevent direct creation of instances.
*/
private AutoForegroundStateController() {
midletProxyList = MIDletProxyList.getMIDletProxyList();
displayController = new AutoDisplayController(midletProxyList);
displayController.setListener(this);
midletProxyList.setDisplayController(displayController);
midletControllerEventProducer =
AutomationInitializer.getMIDletControllerEventProducer();
midletsInfo = AutoMIDletInfoList.getMIDletInfoList();
}
/**
* Gets AutoMIDletStateController instance.
*
* @return AutoMIDletStateController instance
*/
synchronized static AutoForegroundStateController
getForegroundStateController() {
if (stateController == null) {
stateController = new AutoForegroundStateController();
}
return stateController;
}
/**
* Initiates switching MIDlet to specified state.
*
* @param midlet AutoMIDletImpl instance representing MIDlet to switch
* @param state state to switch to
*/
void switchTo(AutoMIDletImpl midlet, AutoMIDletForegroundState state) {
MIDletProxy midletProxy = midletsInfo.findMIDletProxy(midlet);
if (midletProxy != null) {
if (state == AutoMIDletForegroundState.FOREGROUND) {
int suiteID = midletProxy.getSuiteId();
String className = midletProxy.getClassName();
midletControllerEventProducer.
sendSetForegroundByNameRequestEvent(suiteID, className);
}
}
}
/**
* AutoDisplayControllerListener interface implementation.
*/
/**
* Called when foreground MIDlet is about to be changed.
*
* @param oldForeground MIDlet currently in foreground
* @param newForeground MIDlet getting foreground
*/
public void foregroundMIDletChanged(MIDletProxy oldForeground,
MIDletProxy newForeground) {
if (oldForeground != null) {
AutoMIDletImpl midlet = midletsInfo.findMIDlet(oldForeground);
if (midlet != null) {
midlet.stateChanged(AutoMIDletForegroundState.BACKGROUND);
}
}
if (newForeground != null) {
AutoMIDletImpl midlet = midletsInfo.findMIDlet(newForeground);
if (midlet != null) {
midlet.stateChanged(AutoMIDletForegroundState.FOREGROUND);
}
}
}
/**
* AutoForegroundRequestEventConsumer interface implementation.
*/
/**
* Processes AUTO_FOREGROUND_REQUEST event
*
* @param midletSuiteID MIDlet's suite ID
* @param midletClassName MIDlet's class name
*/
public void handleForegroundRequestEvent(int midletSuiteID,
String midletClassName) {
MIDletProxy midletProxy = midletProxyList.findMIDletProxy(
midletSuiteID, midletClassName);
if (midletProxy != null) {
midletProxyList.setForegroundMIDlet(midletProxy);
}
}
}
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