| /* |
| * Copyright (C) 2019 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.systemui.util.concurrency; |
| |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * A sub-class of {@link Executor} that allows Runnables to be delayed and/or cancelled. |
| */ |
| public interface DelayableExecutor extends Executor { |
| /** |
| * Execute supplied Runnable on the Executors thread after a specified delay. |
| * |
| * See {@link android.os.Handler#postDelayed(Runnable, long)}. |
| * |
| * @return A Runnable that, when run, removes the supplied argument from the Executor queue. |
| */ |
| default Runnable executeDelayed(Runnable r, long delayMillis) { |
| return executeDelayed(r, delayMillis, TimeUnit.MILLISECONDS); |
| } |
| |
| /** |
| * Execute supplied Runnable on the Executors thread after a specified delay. |
| * |
| * See {@link android.os.Handler#postDelayed(Runnable, long)}. |
| * |
| * @return A Runnable that, when run, removes the supplied argument from the Executor queue.. |
| */ |
| Runnable executeDelayed(Runnable r, long delay, TimeUnit unit); |
| |
| /** |
| * Execute supplied Runnable on the Executors thread at a specified uptime. |
| * |
| * See {@link android.os.Handler#postAtTime(Runnable, long)}. |
| * |
| * @return A Runnable that, when run, removes the supplied argument from the Executor queue. |
| */ |
| default Runnable executeAtTime(Runnable r, long uptime) { |
| return executeAtTime(r, uptime, TimeUnit.MILLISECONDS); |
| } |
| |
| /** |
| * Execute supplied Runnable on the Executors thread at a specified uptime. |
| * |
| * See {@link android.os.Handler#postAtTime(Runnable, long)}. |
| * |
| * @return A Runnable that, when run, removes the supplied argument from the Executor queue. |
| */ |
| Runnable executeAtTime(Runnable r, long uptimeMillis, TimeUnit unit); |
| } |