| /* |
| * Copyright (C) 2021 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.car.settings.qc; |
| |
| import android.content.Context; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.text.TextUtils; |
| |
| import androidx.annotation.DrawableRes; |
| |
| import com.android.car.settings.R; |
| import com.android.car.settings.wifi.WifiUtil; |
| |
| /** |
| * Helper methods for Wifi-related quick controls. |
| */ |
| public class WifiQCUtils { |
| private WifiQCUtils() { |
| } |
| |
| /** |
| * Returns the subtitle string based on the current wifi state. |
| */ |
| public static String getSubtitle(Context context, WifiManager wifiManager) { |
| int wifiState = wifiManager.getWifiState(); |
| int stringId = WifiUtil.getStateDesc(wifiState); |
| if (stringId != 0) { |
| return context.getString(stringId); |
| } |
| if (wifiState == WifiManager.WIFI_STATE_ENABLED) { |
| String wifiName; |
| WifiInfo wifiInfo = wifiManager.getConnectionInfo(); |
| if (wifiInfo.isPasspointAp() || wifiInfo.isOsuAp()) { |
| wifiName = wifiInfo.getPasspointProviderFriendlyName(); |
| if (TextUtils.isEmpty(wifiName)) { |
| wifiName = wifiInfo.getSSID(); |
| } |
| } else { |
| wifiName = wifiInfo.getSSID(); |
| } |
| |
| if (wifiName == null || wifiName.equals(WifiManager.UNKNOWN_SSID)) { |
| return context.getString(R.string.wifi_disconnected); |
| } |
| return WifiInfo.sanitizeSsid(wifiName); |
| } |
| return context.getString(R.string.wifi_disabled); |
| } |
| |
| /** |
| * Returns the icon resource for the current wifi state. |
| */ |
| @DrawableRes |
| public static int getIcon(WifiManager wifiManager) { |
| if (!wifiManager.isWifiEnabled()) { |
| return R.drawable.ic_qc_wifi_disabled; |
| } |
| WifiInfo wifiInfo = wifiManager.getConnectionInfo(); |
| if (wifiInfo.getNetworkId() == -1) { |
| return R.drawable.ic_qc_wifi_disconnected; |
| } |
| int rssi = wifiInfo.getRssi(); |
| if (rssi == WifiInfo.INVALID_RSSI) { |
| return R.drawable.ic_qc_wifi_disconnected; |
| } |
| int level = wifiManager.calculateSignalLevel(rssi); |
| switch (level) { |
| case 0: |
| return R.drawable.ic_qc_wifi_level_0; |
| case 1: |
| return R.drawable.ic_qc_wifi_level_1; |
| case 2: |
| return R.drawable.ic_qc_wifi_level_2; |
| case 3: |
| return R.drawable.ic_qc_wifi_level_3; |
| case 4: |
| default: |
| return R.drawable.ic_qc_wifi_level_4; |
| } |
| } |
| |
| /** |
| * Returns if the wifi is changing state between enabled and disabled. |
| */ |
| public static boolean isWifiBusy(WifiManager wifiManager) { |
| int state = wifiManager.getWifiState(); |
| return state == WifiManager.WIFI_STATE_ENABLING |
| || state == WifiManager.WIFI_STATE_DISABLING; |
| } |
| |
| } |