/*
*
*
* Copyright 1990-2009 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.main;
import javax.microedition.lcdui.Displayable;
import com.sun.midp.lcdui.ForegroundController;
/**
* This class provides methods to abstract the central foreground control
* code from the the LCDUI library.
*/
class CldcForegroundController implements ForegroundController {
/** Cached reference to the MIDletControllerEventProducer. */
private MIDletControllerEventProducer midletControllerEventProducer;
/**
* Initializes this class.
*
* @param theMIDletControllerEventProducer event producer
*/
CldcForegroundController(
MIDletControllerEventProducer theMIDletControllerEventProducer) {
midletControllerEventProducer = theMIDletControllerEventProducer;
}
/**
* Called to register a newly create Display. Must method must
* be called before the other methods can be called.
*
* @param displayId ID of the Display
* @param ownerClassName Class name of the that owns the display
*
* @return a place holder displayable to used when "getCurrent()==null",
* if null is returned an empty form is used
*/
public Displayable registerDisplay(int displayId, String ownerClassName) {
midletControllerEventProducer.
sendDisplayCreateNotifyEvent(displayId, ownerClassName);
return null;
}
/**
* Called to request the foreground.
*
* @param displayId ID of the Display
* @param isAlert true if the current displayable is an Alert
*/
public void requestForeground(int displayId, boolean isAlert) {
midletControllerEventProducer.
sendDisplayForegroundRequestEvent(displayId, isAlert);
}
/**
* Called to request the background.
*
* @param displayId ID of the Display
*/
public void requestBackground(int displayId) {
midletControllerEventProducer.
sendDisplayBackgroundRequestEvent(displayId);
}
/**
* Called to start preempting. The given display will preempt all other
* displays for this isolate.
*
* @param displayId ID of the Display
*/
public void startPreempting(int displayId) {
midletControllerEventProducer.
sendDisplayPreemptStartEvent(displayId);
}
/**
* Called to end preempting.
*
* @param displayId ID of the Display
*/
public void stopPreempting(int displayId) {
midletControllerEventProducer.
sendDisplayPreemptStopEvent(displayId);
}
}