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/*
* Copyright (C) 2017 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 static android.net.wifi.WifiConfiguration.AP_BAND_2GHZ;
import static android.net.wifi.WifiConfiguration.AP_BAND_5GHZ;
import android.content.Context;
import android.content.res.Resources;
import android.icu.text.ListFormatter;
import android.net.wifi.WifiConfiguration;
import android.support.v7.preference.Preference;
import android.util.Log;
import com.android.settings.R;
import com.android.settings.widget.HotspotApBandSelectionPreference;
public class WifiTetherApBandPreferenceController extends WifiTetherBasePreferenceController {
private static final String TAG = "WifiTetherApBandPref";
private static final String PREF_KEY = "wifi_tether_network_ap_band";
public static final String[] BAND_VALUES =
{String.valueOf(AP_BAND_2GHZ), String.valueOf(AP_BAND_5GHZ)};
private final String[] mBandEntries;
private final String[] mBandSummaries;
private int mBandIndex;
public WifiTetherApBandPreferenceController(Context context,
OnTetherConfigUpdateListener listener) {
super(context, listener);
Resources res = mContext.getResources();
mBandEntries = res.getStringArray(R.array.wifi_ap_band_config_full);
mBandSummaries = res.getStringArray(R.array.wifi_ap_band_summary_full);
}
@Override
public void updateDisplay() {
final WifiConfiguration config = mWifiManager.getWifiApConfiguration();
if (config == null) {
mBandIndex = 0;
Log.d(TAG, "Updating band index to 0 because no config");
} else if (is5GhzBandSupported()) {
mBandIndex = config.apBand;
Log.d(TAG, "Updating band index to " + mBandIndex);
} else {
config.apBand = 0;
mWifiManager.setWifiApConfiguration(config);
mBandIndex = config.apBand;
Log.d(TAG, "5Ghz not supported, updating band index to " + mBandIndex);
}
HotspotApBandSelectionPreference preference =
(HotspotApBandSelectionPreference) mPreference;
if (!is5GhzBandSupported()) {
preference.setEnabled(false);
preference.setSummary(R.string.wifi_ap_choose_2G);
} else {
preference.setExistingConfigValue(config.apBand);
preference.setSummary(getConfigSummary());
}
}
String getConfigSummary() {
if (mBandIndex == WifiConfiguration.AP_BAND_ANY) {
return ListFormatter.getInstance().format((Object[]) mBandSummaries);
}
return mBandSummaries[mBandIndex];
}
@Override
public String getPreferenceKey() {
return PREF_KEY;
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
mBandIndex = (Integer) newValue;
Log.d(TAG, "Band preference changed, updating band index to " + mBandIndex);
preference.setSummary(getConfigSummary());
mListener.onTetherConfigUpdated();
return true;
}
private boolean is5GhzBandSupported() {
final String countryCode = mWifiManager.getCountryCode();
if (!mWifiManager.isDualBandSupported() || countryCode == null) {
return false;
}
return true;
}
public int getBandIndex() {
return mBandIndex;
}
}