+
−/*
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− * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game
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− * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
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− *
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− * This program is free software; you can redistribute it and/or
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− * modify it under the terms of the GNU General Public License
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− * as published by the Free Software Foundation; either version 2
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− * of the License, or (at your option) any later version.
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− *
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− * This program is distributed in the hope that it will be useful,
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− * but WITHOUT ANY WARRANTY; without even the implied warranty of
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− * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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− * GNU General Public License for more details.
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− *
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− * You should have received a copy of the GNU General Public License
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− * along with this program; if not, write to the Free Software
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− * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
− */
+
−
+
−package org.hedgewars.hedgeroid.util;
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−
+
−import android.os.Handler;
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−import android.os.Looper;
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−import android.os.Message;
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−
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−/**
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− * This class allows you to define a runnable that is called when there has been
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− * no activity for a set amount of time, where activity is determined by calls
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− * to the activity() method of the handler. It is used to update the map preview
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− * when there have been no updates to the relevant map information for a time,
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− * to prevent triggering several updates at once when different parts of the
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− * information change.
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− */
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−public final class CalmDownHandler extends Handler {
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−    int runningMessagesCounter = 0;
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−    final Runnable inactivityRunnable;
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−    final long inactivityMs;
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−    boolean stopped;
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−
+
−    public CalmDownHandler(Looper looper, Runnable runnable, long inactivityMs) {
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−        super(looper);
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−        this.inactivityRunnable = runnable;
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−        this.inactivityMs = inactivityMs;
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−    }
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−
+
−    public void activity() {
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−        runningMessagesCounter++;
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−        sendMessageDelayed(obtainMessage(), inactivityMs);
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−    }
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−
+
−    @Override
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−    public void handleMessage(Message msg) {
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−        runningMessagesCounter--;
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−        if(runningMessagesCounter==0 && !stopped) {
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−            inactivityRunnable.run();
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−        }
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−    }
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−
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−    public void stop() {
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−        stopped = true;
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−    }
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−}