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