mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-08-16 20:31:00 +02:00
196 lines
7.9 KiB
Java
196 lines
7.9 KiB
Java
/* Copyright (C) 2016-2021 Andreas Shimokawa, Carsten Pfeiffer, Daniele
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Gobbetti
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.devices;
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import android.bluetooth.BluetoothDevice;
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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 org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.text.Collator;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Set;
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import androidx.annotation.Nullable;
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import androidx.localbroadcastmanager.content.LocalBroadcastManager;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
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import nodomain.freeyourgadget.gadgetbridge.database.DBHelper;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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import nodomain.freeyourgadget.gadgetbridge.util.DeviceHelper;
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import nodomain.freeyourgadget.gadgetbridge.util.GB;
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/**
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* Provides access to the list of devices managed by Gadgetbridge.
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* Changes to the devices (e.g. connection state) or the list of devices
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* are broadcasted via #ACTION_DEVICE_CHANGED
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*/
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public class DeviceManager {
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private static final Logger LOG = LoggerFactory.getLogger(DeviceManager.class);
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public static final String BLUETOOTH_DEVICE_ACTION_ALIAS_CHANGED = "android.bluetooth.device.action.ALIAS_CHANGED";
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/**
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* Intent action to notify that the list of devices has changed.
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*/
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public static final String ACTION_DEVICES_CHANGED
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= "nodomain.freeyourgadget.gadgetbridge.devices.devicemanager.action.devices_changed";
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/**
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* Intent action to notify this class that the list of devices shall be refreshed.
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*/
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public static final String ACTION_REFRESH_DEVICELIST
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= "nodomain.freeyourgadget.gadgetbridge.devices.devicemanager.action.set_version";
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private final Context context;
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/**
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* This list is final, it will never be recreated. Only its contents change.
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* This allows direct access to the list from ListAdapters.
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*/
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private final List<GBDevice> deviceList = new ArrayList<>();
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private List<GBDevice> selectedDevices = new ArrayList<>();
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private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
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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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switch (action) {
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case ACTION_REFRESH_DEVICELIST: // fall through
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case BluetoothDevice.ACTION_BOND_STATE_CHANGED:
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refreshPairedDevices();
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break;
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case BluetoothDevice.ACTION_NAME_CHANGED:
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case BLUETOOTH_DEVICE_ACTION_ALIAS_CHANGED:
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BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
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String newName = intent.getStringExtra(BluetoothDevice.EXTRA_NAME);
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if (device!=null)
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updateDeviceName(device, newName);
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break;
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case GBDevice.ACTION_DEVICE_CHANGED:
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GBDevice dev = intent.getParcelableExtra(GBDevice.EXTRA_DEVICE);
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if (dev.getAddress() != null) {
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int index = deviceList.indexOf(dev); // search by address
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if (index >= 0) {
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deviceList.get(index).copyFromDevice(dev);
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} else {
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deviceList.add(dev);
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}
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if (dev.isInitialized()) {
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try (DBHandler dbHandler = GBApplication.acquireDB()) {
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DBHelper.getDevice(dev, dbHandler.getDaoSession()); // implicitly creates the device in database if not present, and updates device attributes
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} catch (Exception ignore) {
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}
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}
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}
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updateSelectedDevice(dev);
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refreshPairedDevices();
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break;
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}
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}
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};
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public DeviceManager(Context context) {
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this.context = context;
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IntentFilter filterLocal = new IntentFilter();
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filterLocal.addAction(DeviceManager.ACTION_REFRESH_DEVICELIST);
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filterLocal.addAction(GBDevice.ACTION_DEVICE_CHANGED);
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filterLocal.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
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LocalBroadcastManager.getInstance(context).registerReceiver(mReceiver, filterLocal);
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IntentFilter filterGlobal = new IntentFilter();
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filterGlobal.addAction(BluetoothDevice.ACTION_NAME_CHANGED);
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filterGlobal.addAction(BLUETOOTH_DEVICE_ACTION_ALIAS_CHANGED);
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filterGlobal.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
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context.registerReceiver(mReceiver, filterGlobal);
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refreshPairedDevices();
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}
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private void updateDeviceName(BluetoothDevice device, String newName) {
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for (GBDevice dev : deviceList) {
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if (device.getAddress().equals(dev.getAddress())) {
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if (!dev.getName().equals(newName)) {
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dev.setName(newName);
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notifyDevicesChanged();
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return;
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}
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}
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}
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}
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private void updateSelectedDevice(GBDevice dev) {
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selectedDevices.clear();
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for(GBDevice device : deviceList){
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if(device.isInitialized()){
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selectedDevices.add(device);
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}
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}
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GB.updateNotification(selectedDevices, context);
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}
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private void refreshPairedDevices() {
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Set<GBDevice> availableDevices = DeviceHelper.getInstance().getAvailableDevices(context);
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deviceList.retainAll(availableDevices);
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for (GBDevice availableDevice : availableDevices) {
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if (!deviceList.contains(availableDevice)) {
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deviceList.add(availableDevice);
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}
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}
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Collections.sort(deviceList, new Comparator<GBDevice>() {
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@Override
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public int compare(GBDevice lhs, GBDevice rhs) {
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if (rhs.getStateOrdinal() - lhs.getStateOrdinal() == 0) {
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return Collator.getInstance().compare(lhs.getAliasOrName(), rhs.getAliasOrName());
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}
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return (rhs.getStateOrdinal() - lhs.getStateOrdinal());
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}
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});
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notifyDevicesChanged();
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}
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/**
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* The returned list is final, it will never be recreated. Only its contents change.
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* This allows direct access to the list from ListAdapters.
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*/
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public List<GBDevice> getDevices() {
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return Collections.unmodifiableList(deviceList);
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}
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public GBDevice getDeviceByAddress(String address){
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for(GBDevice device : deviceList){
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if(device.getAddress().compareToIgnoreCase(address) == 0){
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return device;
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}
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}
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return null;
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}
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public List<GBDevice> getSelectedDevices() {
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return selectedDevices;
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}
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private void notifyDevicesChanged() {
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LocalBroadcastManager.getInstance(context).sendBroadcast(new Intent(ACTION_DEVICES_CHANGED));
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}
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}
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