/*
|
* 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.server.notification;
|
|
|
/**
|
* {@hide}
|
*/
|
public class AlertRateLimiter {
|
static final long ALLOWED_ALERT_INTERVAL = 1000;
|
private long mLastNotificationMillis = 0;
|
|
boolean shouldRateLimitAlert(long now) {
|
final long millisSinceLast = now - mLastNotificationMillis;
|
if (millisSinceLast < 0 || millisSinceLast < ALLOWED_ALERT_INTERVAL) {
|
return true;
|
}
|
mLastNotificationMillis = now;
|
return false;
|
}
|
}
|
