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/*
* 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.app.NotificationManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.ComponentInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.util.ArraySet;
import android.util.Slog;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
public class ZenServiceListing {
private final Context mContext;
private final ManagedServiceSettings.Config mConfig;
private final Set<ComponentInfo> mApprovedComponents = new ArraySet<>();
private final List<Callback> mZenCallbacks = new ArrayList<>();
private final NotificationManager mNm;
public ZenServiceListing(Context context, ManagedServiceSettings.Config config) {
mContext = context;
mConfig = config;
mNm = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
}
public ComponentInfo findService(final ComponentName cn) {
if (cn == null) {
return null;
}
for (ComponentInfo component : mApprovedComponents) {
final ComponentName ci = new ComponentName(component.packageName, component.name);
if (ci.equals(cn)) {
return component;
}
}
return null;
}
public void addZenCallback(Callback callback) {
mZenCallbacks.add(callback);
}
public void removeZenCallback(Callback callback) {
mZenCallbacks.remove(callback);
}
public void reloadApprovedServices() {
mApprovedComponents.clear();
List<String> enabledNotificationListenerPkgs = mNm.getEnabledNotificationListenerPackages();
List<ComponentInfo> components = new ArrayList<>();
getServices(mConfig, components, mContext.getPackageManager());
getActivities(mConfig, components, mContext.getPackageManager());
for (ComponentInfo componentInfo : components) {
final String pkg = componentInfo.getComponentName().getPackageName();
if (mNm.isNotificationPolicyAccessGrantedForPackage(pkg)
|| enabledNotificationListenerPkgs.contains(pkg)) {
mApprovedComponents.add(componentInfo);
}
}
if (!mApprovedComponents.isEmpty()) {
for (Callback callback : mZenCallbacks) {
callback.onComponentsReloaded(mApprovedComponents);
}
}
}
private static void getServices(ManagedServiceSettings.Config c, List<ComponentInfo> list,
PackageManager pm) {
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);
}
}
}
private static void getActivities(ManagedServiceSettings.Config c, List<ComponentInfo> list,
PackageManager pm) {
final int user = ActivityManager.getCurrentUser();
List<ResolveInfo> resolveInfos = pm.queryIntentActivitiesAsUser(
new Intent(c.configIntentAction),
PackageManager.GET_ACTIVITIES | PackageManager.GET_META_DATA,
user);
for (int i = 0, count = resolveInfos.size(); i < count; i++) {
ResolveInfo resolveInfo = resolveInfos.get(i);
ActivityInfo info = resolveInfo.activityInfo;
if (list != null) {
list.add(info);
}
}
}
public interface Callback {
void onComponentsReloaded(Set<ComponentInfo> components);
}
}
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