/* * Copyright (C) 2010 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.camera; import android.hardware.Camera; import android.os.Handler; import android.os.Message; import android.util.Log; final class AutoFocusCallback implements Camera.AutoFocusCallback { private static final String TAG = AutoFocusCallback.class.getSimpleName(); private static final long AUTOFOCUS_INTERVAL_MS = 1500L; private Handler autoFocusHandler; private int autoFocusMessage; public boolean isFocusing; void setHandler(Handler autoFocusHandler, int autoFocusMessage) { this.autoFocusHandler = autoFocusHandler; this.autoFocusMessage = autoFocusMessage; } public void onAutoFocus(boolean success, Camera camera) { isFocusing = true; if (autoFocusHandler != null) { Message message = autoFocusHandler.obtainMessage(autoFocusMessage, success); autoFocusHandler.sendMessageDelayed(message, AUTOFOCUS_INTERVAL_MS); autoFocusHandler = null; } else { Log.d(TAG, "Got auto-focus callback, but no handler for it"); } isFocusing = false; } }