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/*
* Copyright (C) 2015 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.tv.settings.device.apps;
import static com.android.tv.settings.util.InstrumentationUtils.logToggleInteracted;
import android.app.INotificationManager;
import android.app.NotificationManager;
import android.app.tvsettings.TvSettingsEnums;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.RemoteException;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.preference.SwitchPreference;
import com.android.settingslib.Utils;
import com.android.settingslib.applications.ApplicationsState;
import com.android.tv.settings.R;
public class NotificationsPreference extends SwitchPreference {
private static final String TAG = "NotificationsPreference";
private final INotificationManager mNotificationManager;
private ApplicationsState.AppEntry mEntry;
public NotificationsPreference(Context context, ApplicationsState.AppEntry entry) {
super(context);
mEntry = entry;
mNotificationManager = NotificationManager.getService();
refresh();
}
/**
* Set entry and refresh pref.
*
* @param entry entry
*/
public void setEntry(@NonNull ApplicationsState.AppEntry entry) {
mEntry = entry;
refresh();
}
public void refresh() {
setTitle(R.string.device_apps_app_management_notifications);
setEnabled(isBlockable(getContext(), mEntry.info));
try {
super.setChecked(
mNotificationManager.areNotificationsEnabledForPackage(mEntry.info.packageName,
mEntry.info.uid));
} catch (RemoteException e) {
Log.d(TAG, "Remote exception while checking notifications for package "
+ mEntry.info.packageName, e);
}
}
@Override
public void setChecked(boolean checked) {
if (!isEnabled()) {
return;
}
logToggleInteracted(TvSettingsEnums.APPS_ALL_APPS_APP_ENTRY_NOTIFICATIONS, checked);
if (setNotificationsEnabled(checked)) {
super.setChecked(checked);
}
}
private boolean setNotificationsEnabled(boolean enabled) {
boolean result = true;
if (isChecked() != enabled) {
try {
mNotificationManager.setNotificationsEnabledForPackage(
mEntry.info.packageName, mEntry.info.uid, enabled);
} catch (RemoteException ex) {
result = false;
}
}
return result;
}
/**
* Returns if changes to notifications for an app should be allowed in TV settings. If the app
* is NOT blockable disabling notifications for the app should be disallowed.
*/
private boolean isBlockable(Context context, ApplicationInfo info) {
final boolean blocked = getNotificationsBanned(info.packageName, info.uid);
final boolean systemApp = isSystemApp(context, info);
// allow Notifications setting change if not a system app
// or if a system app, but somehow notifications are turned off atm
return !systemApp || (systemApp && blocked);
}
private boolean getNotificationsBanned(String pkg, int uid) {
try {
final boolean enabled = mNotificationManager.areNotificationsEnabledForPackage(pkg,
uid);
return !enabled;
} catch (RemoteException e) {
Log.w(TAG, "Error calling NotificationManager ", e);
return false;
}
}
/**
* In this context a system app is either an actual system app or on the
* config_nonBlockableNotificationPackages list of packages
*/
private boolean isSystemApp(Context context, ApplicationInfo app) {
try {
PackageInfo info = context.getPackageManager().getPackageInfo(
app.packageName, PackageManager.GET_SIGNATURES);
return Utils.isSystemPackage(context.getResources(), context.getPackageManager(), info)
|| isNonBlockablePackage(info);
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
return false;
}
private boolean isNonBlockablePackage(PackageInfo app) {
try {
return mNotificationManager.isImportanceLocked(app.packageName,
app.applicationInfo.uid);
} catch (RemoteException e) {
Log.w(TAG, "Error calling NotificationManager ", e);
}
return false;
}
}
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