/* * Copyright (C) 2008 ZXing authors * Copyright 2011 Robert Theis * * 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 edu.sfsu.cs.orange.ocr; import java.util.concurrent.CountDownLatch; import android.os.Handler; import android.os.Looper; /** * This thread does all the heavy lifting of decoding the images. * * The code for this class was adapted from the ZXing project: http://code.google.com/p/zxing */ final class DecodeThread extends Thread { private final CaptureActivity activity; private Handler handler; private final CountDownLatch handlerInitLatch; DecodeThread(CaptureActivity activity) { this.activity = activity; handlerInitLatch = new CountDownLatch(1); } Handler getHandler() { try { handlerInitLatch.await(); } catch (InterruptedException ie) { // continue? } return handler; } @Override public void run() { Looper.prepare(); handler = new DecodeHandler(activity); handlerInitLatch.countDown(); Looper.loop(); } }