/*
* Copyright (C) 2008 ZXing authors
*
* 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 com.fanxin.huangfangyi.main.widget.zxing.decoding;
import android.os.Handler;
import android.os.Message;
import com.fanxin.huangfangyi.main.widget.zxing.activity.CaptureActivity;
import com.fanxin.huangfangyi.main.widget.zxing.camera.CameraManager;
import com.fanxin.huangfangyi.main.widget.zxing.view.ViewfinderResultPointCallback;
import com.google.zxing.BarcodeFormat;
import java.util.Vector;
/**
* This class handles all the messaging which comprises the state machine for capture.
*/
public final class CaptureActivityHandler extends Handler {
private static final String TAG = CaptureActivityHandler.class.getSimpleName();
private final CaptureActivity activity;
private final DecodeThread decodeThread;
private State state;
private enum State {
PREVIEW,
SUCCESS,
DONE
}
public CaptureActivityHandler(CaptureActivity activity, Vector<BarcodeFormat> decodeFormats,
String characterSet) {
this.activity = activity;
decodeThread = new DecodeThread(activity, decodeFormats, characterSet,
new ViewfinderResultPointCallback(activity.getViewfinderView()));
decodeThread.start();
state = State.SUCCESS;
// Start ourselves capturing previews and decoding.
CameraManager.get().startPreview();
restartPreviewAndDecode();
}
@Override
public void handleMessage(Message message) {
switch (message.what) {
}
}
public void quitSynchronously() {
state = State.DONE;
CameraManager.get().stopPreview();
Message quit = null;
quit.sendToTarget();
try {
decodeThread.join();
} catch (InterruptedException e) {
// continue
}
// Be absolutely sure we don't send any queued up messages
// removeMessages(R.id.decode_succeeded);
// removeMessages(R.id.decode_failed);
}
private void restartPreviewAndDecode() {
if (state == State.SUCCESS) {
state = State.PREVIEW;
// CameraManager.get().requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
// CameraManager.get().requestAutoFocus(this, R.id.auto_focus);
activity.drawViewfinder();
}
}
}