1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.google.jetpackcamera.feature.preview 17 18 /** 19 * A helper class that prevents multiple clicks. 20 */ 21 internal class MultipleEventsCutter { 22 private val now: Long 23 get() = System.currentTimeMillis() 24 25 private var lastEventTimeMs: Long = 0 26 processEventnull27 fun processEvent(event: () -> Unit) { 28 if (now - lastEventTimeMs >= DURATION_BETWEEN_CLICKS_MS) { 29 event.invoke() 30 } 31 lastEventTimeMs = now 32 } 33 34 companion object { 35 private const val DURATION_BETWEEN_CLICKS_MS = 300L 36 } 37 } 38