| /* |
| * 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.settings.wifi.tether; |
| |
| import android.content.Context; |
| import android.net.wifi.SoftApConfiguration; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import androidx.preference.SwitchPreference; |
| |
| /** |
| * This controller helps to manage the state of maximize compatibility switch preference. |
| */ |
| public class WifiTetherMaximizeCompatibilityPreferenceController extends |
| WifiTetherBasePreferenceController { |
| |
| private static final String TAG = "WifiTetherMaximizeCompatibilityPref"; |
| public static final String PREF_KEY = "wifi_tether_maximize_compatibility"; |
| |
| private boolean mIsChecked; |
| |
| public WifiTetherMaximizeCompatibilityPreferenceController(Context context, |
| WifiTetherBasePreferenceController.OnTetherConfigUpdateListener listener) { |
| super(context, listener); |
| mIsChecked = isMaximizeCompatibilityEnabled(); |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return PREF_KEY; |
| } |
| |
| @Override |
| public void updateDisplay() { |
| if (mPreference == null) { |
| return; |
| } |
| mPreference.setEnabled(is5GhzBandSupported()); |
| ((SwitchPreference) mPreference).setChecked(mIsChecked); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| mIsChecked = (Boolean) newValue; |
| if (mListener != null) { |
| mListener.onTetherConfigUpdated(this); |
| } |
| return true; |
| } |
| |
| private boolean is5GhzBandSupported() { |
| if (mWifiManager == null) { |
| return false; |
| } |
| if (!mWifiManager.is5GHzBandSupported() || mWifiManager.getCountryCode() == null) { |
| return false; |
| } |
| return true; |
| } |
| |
| @VisibleForTesting |
| boolean isMaximizeCompatibilityEnabled() { |
| if (mWifiManager == null) { |
| return false; |
| } |
| final SoftApConfiguration config = mWifiManager.getSoftApConfiguration(); |
| if (config == null) { |
| return false; |
| } |
| if (mWifiManager.isBridgedApConcurrencySupported()) { |
| final boolean isEnabled = config.isBridgedModeOpportunisticShutdownEnabled(); |
| Log.d(TAG, "isBridgedModeOpportunisticShutdownEnabled:" + isEnabled); |
| // Because the return value defined by the Wi-Fi framework API is opposite to the UI. |
| // Compatibility on: isBridgedModeOpportunisticShutdownEnabled() = false |
| // Compatibility off: isBridgedModeOpportunisticShutdownEnabled() = true |
| // Need to return the reverse value. |
| return !isEnabled; |
| } |
| |
| // If the BridgedAp Concurrency is not supported in early Pixel devices (e.g. Pixel 2~5), |
| // show toggle on if the band includes SoftApConfiguration.BAND_5GHZ. |
| final int band = config.getBand(); |
| Log.d(TAG, "getBand:" + band); |
| return (band & SoftApConfiguration.BAND_5GHZ) > 0; |
| } |
| |
| /** |
| * Setup the Maximize Compatibility setting to the SoftAp Configuration |
| * |
| * @param builder The builder to build the SoftApConfiguration. |
| */ |
| public void setupMaximizeCompatibility(SoftApConfiguration.Builder builder) { |
| if (builder == null) { |
| return; |
| } |
| final boolean enabled = mIsChecked; |
| if (mWifiManager.isBridgedApConcurrencySupported()) { |
| int[] bands = { |
| SoftApConfiguration.BAND_2GHZ, |
| SoftApConfiguration.BAND_2GHZ | SoftApConfiguration.BAND_5GHZ}; |
| builder.setBands(bands); |
| Log.d(TAG, "setBridgedModeOpportunisticShutdownEnabled:" + enabled); |
| // Because the defined value by the Wi-Fi framework API is opposite to the UI. |
| // Compatibility on: setBridgedModeOpportunisticShutdownEnabled(false) |
| // Compatibility off: setBridgedModeOpportunisticShutdownEnabled(true) |
| // Need to set the reverse value. |
| builder.setBridgedModeOpportunisticShutdownEnabled(!enabled); |
| } else { |
| int band = enabled |
| ? SoftApConfiguration.BAND_2GHZ | SoftApConfiguration.BAND_5GHZ |
| : SoftApConfiguration.BAND_2GHZ; |
| Log.d(TAG, "setBand:" + band); |
| builder.setBand(band); |
| } |
| } |
| } |