/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui.usb;
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import android.app.Activity;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.hardware.usb.UsbAccessory;
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import android.hardware.usb.UsbDevice;
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import android.hardware.usb.UsbManager;
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// This class is used to close UsbPermissionsActivity and UsbResolverActivity
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// if their device/accessory is disconnected while the dialog is still open
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class UsbDisconnectedReceiver extends BroadcastReceiver {
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private final Activity mActivity;
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private UsbDevice mDevice;
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private UsbAccessory mAccessory;
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public UsbDisconnectedReceiver(Activity activity, UsbDevice device) {
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mActivity = activity;
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mDevice = device;
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IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_DEVICE_DETACHED);
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activity.registerReceiver(this, filter);
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}
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public UsbDisconnectedReceiver(Activity activity, UsbAccessory accessory) {
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mActivity = activity;
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mAccessory = accessory;
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IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_ACCESSORY_DETACHED);
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activity.registerReceiver(this, filter);
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}
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@Override
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public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) {
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UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
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if (device != null && device.equals(mDevice)) {
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mActivity.finish();
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}
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} else if (UsbManager.ACTION_USB_ACCESSORY_DETACHED.equals(action)) {
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UsbAccessory accessory =
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(UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
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if (accessory != null && accessory.equals(mAccessory)) {
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mActivity.finish();
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}
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}
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}
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}
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