/*
*
*
* 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.appmanager;
import javax.microedition.lcdui.*;
import com.sun.midp.installer.*;
import java.util.Timer;
import java.util.TimerTask;
/** Implements the splash screen */
class SplashScreen extends Canvas {
/** Splash screen image */
private Image splashScreen;
/** The displayable to be displayed after SplashScreen is dismissed. */
private Displayable nextScreen;
/** The display associated with Manager midlet. */
private Display display;
/**
* A TimerTask which will be set to switch to the App Manager Screen
* after its timeout period has elapsed.
*/
TimerTask timerTask;
/**
* A Timer which serves this Splash Screen object to schedule
* its timeout task
*/
Timer timeoutTimer;
/**
* Creates a Splash screen.
* @param display - the display associated wit the Manager midlet
* @param nextScreen - the screen to be displayed after timeout
*/
SplashScreen(Display display, Displayable nextScreen) {
this.nextScreen = nextScreen;
this.display = display;
setFullScreenMode(true);
}
/**
* Paint splash screen.
*
* @param g Graphics instance to paint on
*/
public void paint(Graphics g) {
// White background
g.setColor(255, 255, 255);
g.fillRect(0, 0, getWidth(), getHeight());
if (splashScreen != null) {
g.drawImage(splashScreen, 0, 0, Graphics.LEFT | Graphics.TOP);
}
}
/**
* Override showNotify to set a timer task so that Splash screen
* automatically switches to the App Manager Screen.
*/
public void showNotify() {
if (timerTask != null) {
timerTask.cancel();
}
if (timeoutTimer == null) {
timeoutTimer = new Timer();
}
splashScreen =
GraphicalInstaller.getImageFromInternalStorage("splash_screen_"
+ getWidth() + "x" + getHeight());
timerTask = new TimeoutTask();
timeoutTimer.schedule(timerTask, 2000);
}
/**
* Override hideNotify to cancel timer task.
*/
public void hideNotify() {
if (timerTask != null) {
timerTask.cancel();
}
timerTask = null;
timeoutTimer = null;
}
// *****************************************************
// Internal Class
// *****************************************************
/**
* A TimerTask subclass which will switch to the App Manager after
* a time out time set.
*/
private class TimeoutTask extends TimerTask {
/**
* Create a new timeout task
*/
TimeoutTask() { }
/**
* Switch to the the App Manager Screen.
*/
public void run() {
display.setCurrent(nextScreen);
}
} // TimeoutTask
}
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