| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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.android.systemui.usb; |
| |
| import android.app.Activity; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.hardware.usb.UsbAccessory; |
| import android.hardware.usb.UsbDevice; |
| import android.hardware.usb.UsbManager; |
| |
| // This class is used to close UsbPermissionsActivity and UsbResolverActivity |
| // if their device/accessory is disconnected while the dialog is still open |
| class UsbDisconnectedReceiver extends BroadcastReceiver { |
| private final Activity mActivity; |
| private UsbDevice mDevice; |
| private UsbAccessory mAccessory; |
| |
| public UsbDisconnectedReceiver(Activity activity, UsbDevice device) { |
| mActivity = activity; |
| mDevice = device; |
| |
| IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_DEVICE_DETACHED); |
| activity.registerReceiver(this, filter); |
| } |
| |
| public UsbDisconnectedReceiver(Activity activity, UsbAccessory accessory) { |
| mActivity = activity; |
| mAccessory = accessory; |
| |
| IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_ACCESSORY_DETACHED); |
| activity.registerReceiver(this, filter); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) { |
| UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); |
| if (device != null && device.equals(mDevice)) { |
| mActivity.finish(); |
| } |
| } else if (UsbManager.ACTION_USB_ACCESSORY_DETACHED.equals(action)) { |
| UsbAccessory accessory = |
| (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY); |
| if (accessory != null && accessory.equals(mAccessory)) { |
| mActivity.finish(); |
| } |
| } |
| } |
| } |