00001 /* 00002 * Copyright (C) 2011 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 00005 * use this file except in compliance with the License. You may obtain a copy of 00006 * the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 00012 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 00013 * License for the specific language governing permissions and limitations under 00014 * the License. 00015 */ 00016 00017 package org.ros.android.android_acm_serial; 00018 00019 import android.content.BroadcastReceiver; 00020 import android.content.Context; 00021 import android.content.Intent; 00022 import android.hardware.usb.UsbDevice; 00023 import android.hardware.usb.UsbManager; 00024 00028 class UsbDevicePermissionReceiver extends BroadcastReceiver { 00029 00030 private final UsbDevicePermissionCallback callback; 00031 00032 public UsbDevicePermissionReceiver(UsbDevicePermissionCallback callback) { 00033 this.callback = callback; 00034 } 00035 00036 @Override 00037 public void onReceive(Context context, Intent intent) { 00038 String action = intent.getAction(); 00039 if (AcmDeviceActivity.ACTION_USB_PERMISSION.equals(action)) { 00040 synchronized (this) { 00041 if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) { 00042 UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); 00043 callback.onPermissionGranted(device); 00044 } else { 00045 callback.onPermissionDenied(); 00046 } 00047 } 00048 } 00049 } 00050 }