| /* |
| * 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.network; |
| |
| import android.content.Context; |
| import android.net.NetworkScorerAppData; |
| import android.support.v7.preference.Preference; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.PreferenceControllerMixin; |
| import com.android.settingslib.core.AbstractPreferenceController; |
| |
| import java.util.List; |
| |
| /** |
| * {@link AbstractPreferenceController} that shows the active network scorer and toggles the |
| * preference based on whether or not there are valid scorers installed. |
| */ |
| public class NetworkScorerPickerPreferenceController extends AbstractPreferenceController |
| implements PreferenceControllerMixin { |
| |
| private static final String KEY_NETWORK_SCORER_PICKER = "network_scorer_picker"; |
| |
| private final NetworkScoreManagerWrapper mNetworkScoreManager; |
| |
| public NetworkScorerPickerPreferenceController(Context context, |
| NetworkScoreManagerWrapper networkScoreManager) { |
| super(context); |
| mNetworkScoreManager = networkScoreManager; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY_NETWORK_SCORER_PICKER; |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| final List<NetworkScorerAppData> allValidScorers = |
| mNetworkScoreManager.getAllValidScorers(); |
| boolean enabled = !allValidScorers.isEmpty(); |
| preference.setEnabled(enabled); |
| if (!enabled) { |
| preference.setSummary(null); |
| return; |
| } |
| |
| NetworkScorerAppData scorer = mNetworkScoreManager.getActiveScorer(); |
| if (scorer == null) { |
| preference.setSummary(mContext.getString( |
| R.string.network_scorer_picker_none_preference)); |
| } else { |
| preference.setSummary(scorer.getRecommendationServiceLabel()); |
| } |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return true; |
| } |
| } |