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/*
* Copyright (C) 2017 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.internal.util;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.Context;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Handler;
import android.os.Looper;
import android.os.UserHandle;
import android.provider.Settings;
import android.service.notification.StatusBarNotification;
import android.util.SparseArray;
import java.util.Collection;
import java.util.Objects;
/**
* A util to look up messaging related functions for notifications. This is used for both the
* ranking and the actual layout.
*/
public class NotificationMessagingUtil {
private static final String DEFAULT_SMS_APP_SETTING = Settings.Secure.SMS_DEFAULT_APPLICATION;
private final Context mContext;
private SparseArray<String> mDefaultSmsApp = new SparseArray<>();
public NotificationMessagingUtil(Context context) {
mContext = context;
mContext.getContentResolver().registerContentObserver(
Settings.Secure.getUriFor(DEFAULT_SMS_APP_SETTING), false, mSmsContentObserver);
}
public boolean isImportantMessaging(StatusBarNotification sbn, int importance) {
if (importance < NotificationManager.IMPORTANCE_LOW) {
return false;
}
return hasMessagingStyle(sbn) || (isCategoryMessage(sbn) && isDefaultMessagingApp(sbn));
}
public boolean isMessaging(StatusBarNotification sbn) {
return hasMessagingStyle(sbn) || isDefaultMessagingApp(sbn) || isCategoryMessage(sbn);
}
@SuppressWarnings("deprecation")
private boolean isDefaultMessagingApp(StatusBarNotification sbn) {
final int userId = sbn.getUserId();
if (userId == UserHandle.USER_NULL || userId == UserHandle.USER_ALL) return false;
if (mDefaultSmsApp.get(userId) == null) {
cacheDefaultSmsApp(userId);
}
return Objects.equals(mDefaultSmsApp.get(userId), sbn.getPackageName());
}
private void cacheDefaultSmsApp(int userId) {
mDefaultSmsApp.put(userId, Settings.Secure.getStringForUser(
mContext.getContentResolver(),
Settings.Secure.SMS_DEFAULT_APPLICATION, userId));
}
private final ContentObserver mSmsContentObserver = new ContentObserver(
new Handler(Looper.getMainLooper())) {
@Override
public void onChange(boolean selfChange, Collection<Uri> uris, int flags, int userId) {
if (uris.contains(Settings.Secure.getUriFor(DEFAULT_SMS_APP_SETTING))) {
cacheDefaultSmsApp(userId);
}
}
};
private boolean hasMessagingStyle(StatusBarNotification sbn) {
return sbn.getNotification().isStyle(Notification.MessagingStyle.class);
}
private boolean isCategoryMessage(StatusBarNotification sbn) {
return Notification.CATEGORY_MESSAGE.equals(sbn.getNotification().category);
}
}
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