| /* |
| * 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.network; |
| |
| import android.app.settings.SettingsEnums; |
| import android.content.Context; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.PreferenceCategory; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settings.wifi.WifiConnectionPreferenceController; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| |
| // This controls a header at the top of the Network & internet page that only appears when there |
| // are two or more active mobile subscriptions. It shows an overview of available network |
| // connections with an entry for wifi (if connected) and an entry for each subscription. |
| public class MultiNetworkHeaderController extends BasePreferenceController implements |
| WifiConnectionPreferenceController.UpdateListener, |
| SubscriptionsPreferenceController.UpdateListener { |
| public static final String TAG = "MultiNetworkHdrCtrl"; |
| |
| private WifiConnectionPreferenceController mWifiController; |
| private SubscriptionsPreferenceController mSubscriptionsController; |
| private PreferenceCategory mPreferenceCategory; |
| private PreferenceScreen mPreferenceScreen; |
| private int mOriginalExpandedChildrenCount; |
| |
| public MultiNetworkHeaderController(Context context, String key) { |
| super(context, key); |
| } |
| |
| public void init(Lifecycle lifecycle) { |
| mWifiController = createWifiController(lifecycle); |
| mSubscriptionsController = createSubscriptionsController(lifecycle); |
| } |
| |
| @VisibleForTesting |
| WifiConnectionPreferenceController createWifiController(Lifecycle lifecycle) { |
| final int prefOrder = 0; |
| return new WifiConnectionPreferenceController(mContext, lifecycle, this, mPreferenceKey, |
| prefOrder, SettingsEnums.SETTINGS_NETWORK_CATEGORY); |
| } |
| |
| @VisibleForTesting |
| SubscriptionsPreferenceController createSubscriptionsController(Lifecycle lifecycle) { |
| final int prefStartOrder = 10; |
| return new SubscriptionsPreferenceController(mContext, lifecycle, this, mPreferenceKey, |
| prefStartOrder); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreferenceScreen = screen; |
| mOriginalExpandedChildrenCount = mPreferenceScreen.getInitialExpandedChildrenCount(); |
| mPreferenceCategory = screen.findPreference(mPreferenceKey); |
| mPreferenceCategory.setVisible(isAvailable()); |
| mWifiController.displayPreference(screen); |
| mSubscriptionsController.displayPreference(screen); |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| if (mSubscriptionsController == null || !mSubscriptionsController.isAvailable()) { |
| return CONDITIONALLY_UNAVAILABLE; |
| } else { |
| return AVAILABLE; |
| } |
| } |
| |
| @Override |
| public void onChildrenUpdated() { |
| final boolean available = isAvailable(); |
| // TODO(b/129893781) we need a better way to express where the advanced collapsing starts |
| // for preference groups that have items dynamically added/removed in the top expanded |
| // section. |
| if (mOriginalExpandedChildrenCount != Integer.MAX_VALUE) { |
| if (available) { |
| mPreferenceScreen.setInitialExpandedChildrenCount( |
| mOriginalExpandedChildrenCount + mPreferenceCategory.getPreferenceCount()); |
| } else { |
| mPreferenceScreen.setInitialExpandedChildrenCount(mOriginalExpandedChildrenCount); |
| } |
| } |
| mPreferenceCategory.setVisible(available); |
| } |
| } |