1d583e125f
Bug: 62912136 Test: Existing tests in BaseSearchIndexProviderTest Change-Id: Ieda359806c09a019840b2005446c7ec8b61fdb00
88 lines
3.0 KiB
Java
88 lines
3.0 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.wifi;
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import android.content.Context;
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import android.provider.Settings;
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import android.support.v14.preference.SwitchPreference;
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import android.support.v7.preference.Preference;
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import android.text.TextUtils;
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import com.android.settings.core.PreferenceControllerMixin;
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import com.android.settingslib.core.AbstractPreferenceController;
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/**
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* {@link AbstractPreferenceController} that controls whether we should fall back to celluar when
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* wifi is bad.
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*/
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public class CellularFallbackPreferenceController extends AbstractPreferenceController
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implements PreferenceControllerMixin {
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private static final String KEY_CELLULAR_FALLBACK = "wifi_cellular_data_fallback";
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public CellularFallbackPreferenceController(Context context) {
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super(context);
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}
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@Override
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public boolean isAvailable() {
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return !avoidBadWifiConfig();
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}
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@Override
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public String getPreferenceKey() {
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return KEY_CELLULAR_FALLBACK;
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}
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@Override
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public boolean handlePreferenceTreeClick(Preference preference) {
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if (!TextUtils.equals(preference.getKey(), KEY_CELLULAR_FALLBACK)) {
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return false;
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}
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if (!(preference instanceof SwitchPreference)) {
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return false;
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}
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// On: avoid bad wifi. Off: prompt.
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String settingName = Settings.Global.NETWORK_AVOID_BAD_WIFI;
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Settings.Global.putString(mContext.getContentResolver(), settingName,
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((SwitchPreference) preference).isChecked() ? "1" : null);
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return true;
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}
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@Override
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public void updateState(Preference preference) {
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final boolean currentSetting = avoidBadWifiCurrentSettings();
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// TODO: can this ever be null? The return value of avoidBadWifiConfig() can only
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// change if the resources change, but if that happens the activity will be recreated...
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if (preference != null) {
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SwitchPreference pref = (SwitchPreference) preference;
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pref.setChecked(currentSetting);
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}
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}
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private boolean avoidBadWifiConfig() {
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return mContext.getResources().getInteger(
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com.android.internal.R.integer.config_networkAvoidBadWifi) == 1;
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}
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private boolean avoidBadWifiCurrentSettings() {
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return "1".equals(Settings.Global.getString(mContext.getContentResolver(),
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Settings.Global.NETWORK_AVOID_BAD_WIFI));
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}
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}
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