1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16package com.android.gallery3d.util; 17 18 19import android.os.Process; 20 21import java.util.concurrent.ThreadFactory; 22import java.util.concurrent.atomic.AtomicInteger; 23 24/** 25 * A thread factory that creates threads with a given thread priority. 26 */ 27public class PriorityThreadFactory implements ThreadFactory { 28 29 private final int mPriority; 30 private final AtomicInteger mNumber = new AtomicInteger(); 31 private final String mName; 32 33 public PriorityThreadFactory(String name, int priority) { 34 mName = name; 35 mPriority = priority; 36 } 37 38 @Override 39 public Thread newThread(Runnable r) { 40 return new Thread(r, mName + '-' + mNumber.getAndIncrement()) { 41 @Override 42 public void run() { 43 Process.setThreadPriority(mPriority); 44 super.run(); 45 } 46 }; 47 } 48 49} 50