| /* |
| * Copyright (C) 2018 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.details; |
| |
| import android.app.backup.BackupManager; |
| import android.content.Context; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiManager; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.DropDownPreference; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settings.wifi.WifiDialog; |
| import com.android.settingslib.core.AbstractPreferenceController; |
| |
| /** |
| * {@link AbstractPreferenceController} that controls whether the wifi network is metered or not. |
| * |
| * Migrating from Wi-Fi SettingsLib to to WifiTrackerLib, this object will be removed in the near |
| * future, please develop in |
| * {@link com.android.settings.wifi.details2.WifiMeteredPreferenceControlle2}. |
| */ |
| public class WifiMeteredPreferenceController extends BasePreferenceController implements |
| Preference.OnPreferenceChangeListener, WifiDialog.WifiDialogListener { |
| |
| private static final String KEY_WIFI_METERED = "metered"; |
| private WifiConfiguration mWifiConfiguration; |
| private WifiManager mWifiManager; |
| private Preference mPreference; |
| |
| public WifiMeteredPreferenceController(Context context, WifiConfiguration wifiConfiguration) { |
| super(context, KEY_WIFI_METERED); |
| mWifiConfiguration = wifiConfiguration; |
| mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| final DropDownPreference dropDownPreference = (DropDownPreference) preference; |
| final int meteredOverride = getMeteredOverride(); |
| dropDownPreference.setValue(Integer.toString(meteredOverride)); |
| updateSummary(dropDownPreference, meteredOverride); |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| return AVAILABLE; |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| if (mWifiConfiguration != null) { |
| mWifiConfiguration.meteredOverride = Integer.parseInt((String) newValue); |
| } |
| mWifiManager.updateNetwork(mWifiConfiguration); |
| // Stage the backup of the SettingsProvider package which backs this up |
| BackupManager.dataChanged("com.android.providers.settings"); |
| updateSummary((DropDownPreference) preference, getMeteredOverride()); |
| return true; |
| } |
| |
| @VisibleForTesting |
| int getMeteredOverride() { |
| if (mWifiConfiguration != null) { |
| // Wrap the meteredOverride since robolectric cannot recognize it |
| return mWifiConfiguration.meteredOverride; |
| } |
| return WifiConfiguration.METERED_OVERRIDE_NONE; |
| } |
| |
| private void updateSummary(DropDownPreference preference, int meteredOverride) { |
| preference.setSummary(preference.getEntries()[meteredOverride]); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(getPreferenceKey()); |
| } |
| |
| @Override |
| public void onSubmit(WifiDialog dialog) { |
| if (dialog.getController() != null) { |
| final WifiConfiguration newConfig = dialog.getController().getConfig(); |
| if (newConfig == null || mWifiConfiguration == null) { |
| return; |
| } |
| |
| if (newConfig.meteredOverride != mWifiConfiguration.meteredOverride) { |
| mWifiConfiguration = newConfig; |
| onPreferenceChange(mPreference, String.valueOf(newConfig.meteredOverride)); |
| } |
| } |
| } |
| } |