| /* |
| * 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.car.settings.common; |
| |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Bundle; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceGroup; |
| |
| import java.util.Map; |
| |
| /** |
| * Injects preferences from other system applications at a placeholder location. The placeholder |
| * should be a {@link PreferenceGroup} which sets the controller attribute to the fully qualified |
| * name of this class. The preference should contain an intent which will be passed to |
| * {@link ExtraSettingsLoader#loadPreferences(Intent)}. |
| * |
| * <p>For example: |
| * <pre>{@code |
| * <PreferenceCategory |
| * android:key="@string/pk_system_extra_settings" |
| * android:title="@string/system_extra_settings_title" |
| * settings:controller="com.android.settings.common.ExtraSettingsPreferenceController"> |
| * <intent android:action="com.android.settings.action.EXTRA_SETTINGS"> |
| * <extra android:name="com.android.settings.category" |
| * android:value="com.android.settings.category.system"/> |
| * </intent> |
| * </PreferenceCategory> |
| * }</pre> |
| * |
| * @see ExtraSettingsLoader |
| */ |
| // TODO: investigate using SettingsLib Tiles. |
| public class ExtraSettingsPreferenceController extends PreferenceController<PreferenceGroup> { |
| |
| private ExtraSettingsLoader mExtraSettingsLoader; |
| private boolean mSettingsLoaded; |
| |
| public ExtraSettingsPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions restrictionInfo) { |
| super(context, preferenceKey, fragmentController, restrictionInfo); |
| mExtraSettingsLoader = new ExtraSettingsLoader(context); |
| } |
| |
| @VisibleForTesting(otherwise = VisibleForTesting.NONE) |
| public void setExtraSettingsLoader(ExtraSettingsLoader extraSettingsLoader) { |
| mExtraSettingsLoader = extraSettingsLoader; |
| } |
| |
| @Override |
| protected Class<PreferenceGroup> getPreferenceType() { |
| return PreferenceGroup.class; |
| } |
| |
| @Override |
| protected void updateState(PreferenceGroup preference) { |
| Map<Preference, Bundle> preferenceBundleMap = mExtraSettingsLoader.loadPreferences( |
| preference.getIntent()); |
| if (!mSettingsLoaded) { |
| addExtraSettings(preferenceBundleMap); |
| mSettingsLoaded = true; |
| } |
| preference.setVisible(preference.getPreferenceCount() > 0); |
| } |
| |
| /** |
| * Adds the extra settings from the system based on the intent that is passed in the preference |
| * group. All the preferences that resolve these intents will be added in the preference group. |
| * |
| * @param preferenceBundleMap a map of {@link Preference} and {@link Bundle} representing |
| * settings injected from system apps and their metadata. |
| */ |
| protected void addExtraSettings(Map<Preference, Bundle> preferenceBundleMap) { |
| for (Preference setting : preferenceBundleMap.keySet()) { |
| getPreference().addPreference(setting); |
| } |
| } |
| } |