1 /* 2 * Copyright (C) 2022 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 */ 17 18 package com.android.systemui.common.coroutine 19 20 import android.util.Log 21 import kotlinx.coroutines.channels.SendChannel 22 import kotlinx.coroutines.channels.onFailure 23 24 object ChannelExt { 25 26 /** 27 * Convenience wrapper around [SendChannel.trySend] that also logs on failure. This is the 28 * equivalent of calling: 29 * ``` 30 * sendChannel.trySend(element).onFailure { 31 * Log.e( 32 * loggingTag, 33 * "Failed to send $elementDescription" + 34 * " - downstream canceled or failed.", 35 * it, 36 * ) 37 * } 38 * ``` 39 */ trySendWithFailureLoggingnull40 fun <T> SendChannel<T>.trySendWithFailureLogging( 41 element: T, 42 loggingTag: String, 43 elementDescription: String = "updated state", 44 ) { 45 trySend(element).onFailure { 46 Log.e( 47 loggingTag, 48 "Failed to send $elementDescription - downstream canceled or failed.", 49 it, 50 ) 51 } 52 } 53 } 54