Dispatcher.java

/*
 * Copyright (c) 2017
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package jsettlers.main.android.core.utils;

import android.os.Handler;
import android.os.Looper;

/**
 * Created by tompr on 10/03/2017.
 */
public class Dispatcher {
	private final Handler handler;
	private final long threadId;

	public Dispatcher() {
		Looper mainLooper = Looper.getMainLooper();

		handler = new Handler(mainLooper);
		threadId = mainLooper.getThread().getId();
	}

	public void runOnMainThread(Runnable runnable) {
		if (threadId > 0 && Thread.currentThread().getId() == threadId) {
			runnable.run();
		} else {
			handler.post(runnable);
		}
	}
}