988199e202
The usb updater listens to usb update and notify ConnectedDeviceGroupController to add/remove preference. This cl: 1. Add ConntectedusbDeviceUpdater 2. Extract the UsbConnectionBroadcastReceiver since it would be used both in controller and updater. 3. Add tests Bug: 69333961 Test: RunSettingsRoboTests Change-Id: Ic3b045a6faa4eba57d9b0c089ea1656141cc0220
77 lines
2.5 KiB
Java
77 lines
2.5 KiB
Java
/*
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* Copyright (C) 2017 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.settings.connecteddevice;
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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.UsbManager;
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/**
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* Receiver to receive usb update and use {@link UsbConnectionListener} to invoke callback
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*/
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public class UsbConnectionBroadcastReceiver extends BroadcastReceiver {
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private Context mContext;
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private UsbConnectionListener mUsbConnectionListener;
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private boolean mListeningToUsbEvents;
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private boolean mConnected;
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public UsbConnectionBroadcastReceiver(Context context,
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UsbConnectionListener usbConnectionListener) {
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mContext = context;
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mUsbConnectionListener = usbConnectionListener;
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}
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@Override
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public void onReceive(Context context, Intent intent) {
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mConnected = intent != null
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&& intent.getExtras().getBoolean(UsbManager.USB_CONNECTED);
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if (mUsbConnectionListener != null) {
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mUsbConnectionListener.onUsbConnectionChanged(mConnected);
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}
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}
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public void register() {
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if (!mListeningToUsbEvents) {
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final IntentFilter intentFilter = new IntentFilter(UsbManager.ACTION_USB_STATE);
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final Intent intent = mContext.registerReceiver(this, intentFilter);
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mConnected = intent != null
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&& intent.getExtras().getBoolean(UsbManager.USB_CONNECTED);
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mListeningToUsbEvents = true;
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}
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}
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public void unregister() {
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if (mListeningToUsbEvents) {
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mContext.unregisterReceiver(this);
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mListeningToUsbEvents = false;
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}
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}
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public boolean isConnected() {
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return mConnected;
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}
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/**
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* Interface definition for a callback to be invoked when usb connection is changed.
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*/
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interface UsbConnectionListener {
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void onUsbConnectionChanged(boolean connected);
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}
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}
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