blob: 59ad44088ec33c5e09889a481df6f8dedd36458b [file] [log] [blame]
/*
* 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;
import android.content.Context;
import android.content.res.Resources;
import android.provider.Settings;
import android.telephony.SubscriptionManager;
import com.android.internal.annotations.VisibleForTesting;
import com.android.settings.R;
import com.android.settings.core.TogglePreferenceController;
/**
* CellularFallbackPreferenceController controls whether we should fall back to celluar when
* wifi is bad.
*/
public class CellularFallbackPreferenceController extends TogglePreferenceController {
public CellularFallbackPreferenceController(Context context, String key) {
super(context, key);
}
@Override
public int getAvailabilityStatus() {
return avoidBadWifiConfig() ? UNSUPPORTED_ON_DEVICE : AVAILABLE;
}
@Override
public boolean isChecked() {
return avoidBadWifiCurrentSettings();
}
@Override
public boolean setChecked(boolean isChecked) {
// On: avoid bad wifi. Off: prompt.
return Settings.Global.putString(mContext.getContentResolver(),
Settings.Global.NETWORK_AVOID_BAD_WIFI, isChecked ? "1" : null);
}
@Override
public int getSliceHighlightMenuRes() {
return R.string.menu_key_network;
}
private boolean avoidBadWifiConfig() {
final int activeDataSubscriptionId = getActiveDataSubscriptionId();
if (activeDataSubscriptionId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
return true;
}
final Resources resources = getResourcesForSubId(activeDataSubscriptionId);
return resources.getInteger(com.android.internal.R.integer.config_networkAvoidBadWifi) == 1;
}
@VisibleForTesting
int getActiveDataSubscriptionId() {
return SubscriptionManager.getActiveDataSubscriptionId();
}
@VisibleForTesting
Resources getResourcesForSubId(int subscriptionId) {
return SubscriptionManager.getResourcesForSubId(mContext, subscriptionId);
}
private boolean avoidBadWifiCurrentSettings() {
return "1".equals(Settings.Global.getString(mContext.getContentResolver(),
Settings.Global.NETWORK_AVOID_BAD_WIFI));
}
}