project_files/Android-build/SDL-android-project/src/org/hedgewars/hedgeroid/util/CalmDownHandler.java
Make wider range of numbers representable with FPNum on the cost of smaller precision
/*
* Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game
* Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.hedgewars.hedgeroid.util;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
/**
* This class allows you to define a runnable that is called when there has been
* no activity for a set amount of time, where activity is determined by calls
* to the activity() method of the handler. It is used to update the map preview
* when there have been no updates to the relevant map information for a time,
* to prevent triggering several updates at once when different parts of the
* information change.
*/
public final class CalmDownHandler extends Handler {
int runningMessagesCounter = 0;
final Runnable inactivityRunnable;
final long inactivityMs;
boolean stopped;
public CalmDownHandler(Looper looper, Runnable runnable, long inactivityMs) {
super(looper);
this.inactivityRunnable = runnable;
this.inactivityMs = inactivityMs;
}
public void activity() {
runningMessagesCounter++;
sendMessageDelayed(obtainMessage(), inactivityMs);
}
@Override
public void handleMessage(Message msg) {
runningMessagesCounter--;
if(runningMessagesCounter==0 && !stopped) {
inactivityRunnable.run();
}
}
public void stop() {
stopped = true;
}
}