| /* |
| * Copyright (C) 2021 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.qc; |
| |
| import android.content.Context; |
| import android.net.Uri; |
| import android.util.ArrayMap; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.car.qc.QCItem; |
| import com.android.car.qc.provider.BaseQCProvider; |
| import com.android.car.settings.R; |
| import com.android.settingslib.utils.ThreadUtils; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Remote Quick Control provider for CarSettings. |
| */ |
| public class SettingsQCProvider extends BaseQCProvider { |
| private final Map<Uri, SettingsQCItem> mSubscribedItems = new ArrayMap<>(); |
| @VisibleForTesting |
| final Map<Uri, SettingsQCBackgroundWorker> mSubscribedWorkers = new ArrayMap<>(); |
| |
| private Set<String> mAllowListedPackages; |
| |
| @Override |
| public boolean onCreate() { |
| boolean returnVal = super.onCreate(); |
| mAllowListedPackages = Set.of(getContext().getResources().getStringArray( |
| R.array.settings_qc_provider_package_allowlist)); |
| return returnVal; |
| } |
| |
| @Override |
| public QCItem onBind(Uri uri) { |
| if (SettingsQCRegistry.isValidUri(uri)) { |
| Context context = getContext(); |
| return getQCItemFromUri(context, uri).getQCItem(); |
| } |
| throw new IllegalArgumentException("Unrecognized uri: " + uri); |
| } |
| |
| @Override |
| public void onSubscribed(Uri uri) { |
| if (SettingsQCRegistry.isValidUri(uri)) { |
| Context context = getContext(); |
| SettingsQCItem qcItem = getQCItemFromUri(context, uri); |
| ThreadUtils.postOnMainThread(() -> startBackgroundWorker(qcItem, uri)); |
| } |
| } |
| |
| @Override |
| public void onUnsubscribed(Uri uri) { |
| ThreadUtils.postOnMainThread(() -> stopBackgroundWorker(uri)); |
| } |
| |
| @Override |
| public void onDestroy(Uri uri) { |
| ThreadUtils.postOnMainThread(() -> SettingsQCBackgroundWorker.shutdown(uri)); |
| } |
| |
| @Override |
| public void shutdown() { |
| ThreadUtils.postOnMainThread(SettingsQCBackgroundWorker::shutdown); |
| } |
| |
| private SettingsQCItem getQCItemFromUri(Context context, Uri uri) { |
| if (mSubscribedItems.containsKey(uri)) { |
| return mSubscribedItems.get(uri); |
| } |
| Uri newUri = SettingsQCRegistry.removeParameterFromUri(uri); |
| Class clazz = SettingsQCRegistry.getQCClassByUri(newUri); |
| if (clazz == null) { |
| throw new IllegalArgumentException("No QCItem found for uri: " + uri); |
| } |
| |
| return SettingsQCItem.createInstance(context, clazz); |
| } |
| |
| private void startBackgroundWorker(SettingsQCItem qcItem, Uri uri) { |
| Class workerClass = qcItem.getBackgroundWorkerClass(); |
| if (workerClass == null) { |
| return; |
| } |
| |
| if (mSubscribedWorkers.containsKey(uri)) { |
| return; |
| } |
| |
| SettingsQCBackgroundWorker worker = SettingsQCBackgroundWorker.getInstance( |
| getContext(), qcItem, uri); |
| mSubscribedWorkers.put(uri, worker); |
| worker.subscribe(); |
| mSubscribedItems.put(uri, qcItem); |
| } |
| |
| private void stopBackgroundWorker(Uri uri) { |
| SettingsQCBackgroundWorker worker = mSubscribedWorkers.get(uri); |
| if (worker != null) { |
| worker.unsubscribe(); |
| mSubscribedWorkers.remove(uri); |
| mSubscribedItems.remove(uri); |
| } |
| } |
| |
| @NonNull |
| @Override |
| protected Set<String> getAllowlistedPackages() { |
| return mAllowListedPackages; |
| } |
| } |