/* 
 * Copyright (C) 2008 ZXing authors
 * Copyright 2011 Robert Theis
 * Copyright 2015 Jakub Kříž
 *
 * 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 cz.muni.fi.digitrecognition;


import android.os.Handler;
import android.os.Looper;
import android.os.Message;

/**
 * Class to send bitmap data for OCR.
 * 
 * The code for this class was adapted from the ZXing project: http://code.google.com/p/zxing/
 */
final class DecodeHandler extends Handler {

  private final CaptureActivity captureActivity;
  private boolean running = true;

  DecodeHandler(CaptureActivity activity) {
	  captureActivity = activity;
  }

  @Override
  public void handleMessage(Message message) {
    if (!running) {
      return;
    }
    switch (message.what) {
        case R.id.ocr_decode:
          ocrDecode((byte[]) message.obj, message.arg1, message.arg2);
          break;
        case R.id.quit:
          running = false;
          Looper.myLooper().quit();
          break;
    }
  }


  /**
   *  Launch an AsyncTask to perform an OCR decode for single-shot mode.
   *  
   * @param data Image data
   * @param width Image width
   * @param height Image height
   */
//  private void ocrDecode(byte[] data, int width, int height) {
  private void ocrDecode(byte[] data, int width, int height) {
    //beepManager.playBeepSoundAndVibrate();
	  captureActivity.displayProgressDialog();

    // Launch OCR asynchronously, so we get the dialog box displayed immediately
    new OcrRecognizeAsyncTask(captureActivity, data, width, height).execute();

  }
}












