1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.camerabrowser;
18
19import android.app.Activity;
20import android.content.BroadcastReceiver;
21import android.content.Context;
22import android.content.Intent;
23import android.content.IntentFilter;
24import android.hardware.usb.UsbDevice;
25import android.hardware.usb.UsbManager;
26import android.util.Log;
27
28public class DeviceDisconnectedReceiver extends BroadcastReceiver {
29
30    private static final String TAG = "DeviceDisconnectedReceiver";
31
32    private final Activity mActivity;
33    private final String mDeviceName;
34
35    public DeviceDisconnectedReceiver(Activity activity, String deviceName) {
36        mActivity = activity;
37        mDeviceName = deviceName;
38
39        IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_DEVICE_DETACHED);
40        activity.registerReceiver(this, filter);
41    }
42
43    @Override
44    public void onReceive(Context context, Intent intent) {
45        UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
46        String deviceName = device.getDeviceName();
47        Log.d(TAG, "ACTION_USB_DEVICE_DETACHED " + deviceName);
48
49        // close our activity if the device it is displaying is disconnected
50        if (deviceName.equals(mDeviceName)) {
51            mActivity.finish();
52        }
53    }
54}