/*
* 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();
}
}
}
}