| /* |
| * Copyright (C) 2020 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.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.PreferenceCategory; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settings.wifi.WifiPickerTrackerHelper; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| |
| /** |
| * This controls mobile network display of the internet page that only appears when there |
| * are active mobile subscriptions. It shows an overview of available mobile network |
| * connections with an entry for each subscription. |
| * |
| * {@link NetworkMobileProviderController} is used to show subscription status on internet |
| * page for provider model. This original class can refer to {@link MultiNetworkHeaderController}, |
| * |
| */ |
| public class NetworkMobileProviderController extends BasePreferenceController implements |
| SubscriptionsPreferenceController.UpdateListener { |
| |
| private static final String TAG = NetworkMobileProviderController.class.getSimpleName(); |
| |
| public static final String PREF_KEY_PROVIDER_MOBILE_NETWORK = "provider_model_mobile_network"; |
| private static final int PREFERENCE_START_ORDER = 10; |
| |
| private PreferenceCategory mPreferenceCategory; |
| private PreferenceScreen mPreferenceScreen; |
| |
| private SubscriptionsPreferenceController mSubscriptionsController; |
| |
| private int mOriginalExpandedChildrenCount; |
| private boolean mHide; |
| |
| public NetworkMobileProviderController(Context context, String key) { |
| super(context, key); |
| } |
| |
| /** |
| * Initialize NetworkMobileProviderController |
| * @param lifecycle Lifecycle of Settings |
| */ |
| public void init(Lifecycle lifecycle) { |
| mSubscriptionsController = createSubscriptionsController(lifecycle); |
| } |
| |
| @VisibleForTesting |
| SubscriptionsPreferenceController createSubscriptionsController(Lifecycle lifecycle) { |
| if (mSubscriptionsController == null) { |
| return new SubscriptionsPreferenceController( |
| mContext, |
| lifecycle, |
| this, |
| PREF_KEY_PROVIDER_MOBILE_NETWORK, |
| PREFERENCE_START_ORDER); |
| } |
| return mSubscriptionsController; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| if (mSubscriptionsController == null) { |
| Log.e(TAG, "[displayPreference] SubscriptionsController is null."); |
| return; |
| } |
| mPreferenceScreen = screen; |
| mOriginalExpandedChildrenCount = mPreferenceScreen.getInitialExpandedChildrenCount(); |
| mPreferenceCategory = screen.findPreference(PREF_KEY_PROVIDER_MOBILE_NETWORK); |
| mPreferenceCategory.setVisible(isAvailable()); |
| // TODO(tomhsu) For the provider model, subscriptionsController shall do more |
| // implementation of preference type change and summary control. |
| mSubscriptionsController.displayPreference(screen); |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| if (mHide || mSubscriptionsController == null) { |
| return CONDITIONALLY_UNAVAILABLE; |
| } |
| return mSubscriptionsController.isAvailable() ? AVAILABLE : CONDITIONALLY_UNAVAILABLE; |
| } |
| |
| @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); |
| } |
| |
| public void setWifiPickerTrackerHelper(WifiPickerTrackerHelper helper) { |
| if (mSubscriptionsController != null) { |
| mSubscriptionsController.setWifiPickerTrackerHelper(helper); |
| } |
| } |
| |
| /** |
| * Hides the preference. |
| */ |
| public void hidePreference(boolean hide, boolean immediately) { |
| mHide = hide; |
| if (immediately) { |
| mPreferenceCategory.setVisible(hide ? false : isAvailable()); |
| } |
| } |
| } |