00001 /* 00002 * Copyright (C) 2008 ZXing authors 00003 * Copyright 2011 Robert Theis 00004 * Copyright 2012 Jaime Navarro Santapau 00005 * 00006 * Licensed under the Apache License, Version 2.0 (the "License"); 00007 * you may not use this file except in compliance with the License. 00008 * You may obtain a copy of the License at 00009 * 00010 * http://www.apache.org/licenses/LICENSE-2.0 00011 * 00012 * Unless required by applicable law or agreed to in writing, software 00013 * distributed under the License is distributed on an "AS IS" BASIS, 00014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00015 * See the License for the specific language governing permissions and 00016 * limitations under the License. 00017 */ 00018 00027 package edu.uoc.ocr; 00028 00029 import edu.uoc.ocr.CaptureActivityForOcr; 00030 import android.os.Handler; 00031 import android.os.Looper; 00032 import java.util.concurrent.CountDownLatch; 00033 00039 final class DecodeThread extends Thread { 00040 00041 private final CaptureActivityForOcr activity; 00042 private Handler handler; 00043 private final CountDownLatch handlerInitLatch; 00044 00045 DecodeThread(CaptureActivityForOcr activity) { 00046 this.activity = activity; 00047 handlerInitLatch = new CountDownLatch(1); 00048 } 00049 00050 Handler getHandler() { 00051 try { 00052 handlerInitLatch.await(); 00053 } catch (InterruptedException ie) { 00054 // continue? 00055 } 00056 return handler; 00057 } 00058 00059 @Override 00060 public void run() { 00061 Looper.prepare(); 00062 handler = new DecodeHandler(activity); 00063 handlerInitLatch.countDown(); 00064 Looper.loop(); 00065 } 00066 }