| /* |
| * Copyright (C) 2016 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.utils; |
| |
| import android.app.ActivityManager; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.util.ArraySet; |
| import android.util.Slog; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class ZenServiceListing { |
| |
| private final ContentResolver mContentResolver; |
| private final Context mContext; |
| private final ManagedServiceSettings.Config mConfig; |
| private final Set<ServiceInfo> mApprovedServices = new ArraySet<ServiceInfo>(); |
| private final List<Callback> mZenCallbacks = new ArrayList<>(); |
| |
| public ZenServiceListing(Context context, ManagedServiceSettings.Config config) { |
| mContext = context; |
| mConfig = config; |
| mContentResolver = context.getContentResolver(); |
| } |
| |
| public ServiceInfo findService(final ComponentName cn) { |
| for (ServiceInfo service : mApprovedServices) { |
| final ComponentName serviceCN = new ComponentName(service.packageName, service.name); |
| if (serviceCN.equals(cn)) { |
| return service; |
| } |
| } |
| return null; |
| } |
| |
| public void addZenCallback(Callback callback) { |
| mZenCallbacks.add(callback); |
| } |
| |
| public void removeZenCallback(Callback callback) { |
| mZenCallbacks.remove(callback); |
| } |
| |
| public void reloadApprovedServices() { |
| mApprovedServices.clear(); |
| String[] settings = {mConfig.setting, mConfig.secondarySetting}; |
| |
| for (String setting : settings) { |
| if (!TextUtils.isEmpty(setting)) { |
| final String flat = Settings.Secure.getString(mContentResolver, setting); |
| if (!TextUtils.isEmpty(flat)) { |
| final List<String> names = Arrays.asList(flat.split(":")); |
| List<ServiceInfo> services = new ArrayList<>(); |
| getServices(mConfig, services, mContext.getPackageManager()); |
| for (ServiceInfo service : services) { |
| if (matchesApprovedPackage(names, service.getComponentName())) { |
| mApprovedServices.add(service); |
| } |
| } |
| } |
| } |
| } |
| if (!mApprovedServices.isEmpty()) { |
| for (Callback callback : mZenCallbacks) { |
| callback.onServicesReloaded(mApprovedServices); |
| } |
| } |
| } |
| |
| // Setting could contain: the component name of the condition provider, the package name of |
| // the condition provider, the component name of the notification listener. |
| private boolean matchesApprovedPackage(List<String> approved, ComponentName serviceOwner) { |
| String flatCn = serviceOwner.flattenToString(); |
| if (approved.contains(flatCn) || approved.contains(serviceOwner.getPackageName())) { |
| return true; |
| } |
| for (String entry : approved) { |
| if (!TextUtils.isEmpty(entry)) { |
| ComponentName approvedComponent = ComponentName.unflattenFromString(entry); |
| if (approvedComponent != null && approvedComponent.getPackageName().equals( |
| serviceOwner.getPackageName())) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| private static int getServices(ManagedServiceSettings.Config c, List<ServiceInfo> list, |
| PackageManager pm) { |
| int services = 0; |
| if (list != null) { |
| list.clear(); |
| } |
| final int user = ActivityManager.getCurrentUser(); |
| |
| List<ResolveInfo> installedServices = pm.queryIntentServicesAsUser( |
| new Intent(c.intentAction), |
| PackageManager.GET_SERVICES | PackageManager.GET_META_DATA, |
| user); |
| |
| for (int i = 0, count = installedServices.size(); i < count; i++) { |
| ResolveInfo resolveInfo = installedServices.get(i); |
| ServiceInfo info = resolveInfo.serviceInfo; |
| |
| if (!c.permission.equals(info.permission)) { |
| Slog.w(c.tag, "Skipping " + c.noun + " service " |
| + info.packageName + "/" + info.name |
| + ": it does not require the permission " |
| + c.permission); |
| continue; |
| } |
| if (list != null) { |
| list.add(info); |
| } |
| services++; |
| } |
| return services; |
| } |
| |
| public interface Callback { |
| void onServicesReloaded(Set<ServiceInfo> services); |
| } |
| } |