/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.thialfihar.android.apg;

public class PausableThread extends Thread {
    private boolean mPaused = false;

    public PausableThread(Runnable runnable) {
        super(runnable);
    }

    public void pause() {
        synchronized (this) {
            mPaused = true;
            while (mPaused) {
                try {
                    wait();
                } catch (InterruptedException e) {
                    // ignore
                }
            }
        }
    }

    public void unpause() {
        synchronized (this) {
            mPaused = false;
            notify();
        }
    }

    public boolean isPaused() {
        synchronized (this) {
            return mPaused;
        }
    }
}