| /* |
| * Copyright (C) 2020 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.wm.shell.common; |
| |
| import android.annotation.NonNull; |
| import android.os.Handler; |
| |
| /** Executor implementation which is backed by a Handler. */ |
| public class HandlerExecutor implements ShellExecutor { |
| private final Handler mHandler; |
| |
| public HandlerExecutor(@NonNull Handler handler) { |
| mHandler = handler; |
| } |
| |
| @Override |
| public void execute(@NonNull Runnable command) { |
| if (mHandler.getLooper().isCurrentThread()) { |
| command.run(); |
| return; |
| } |
| if (!mHandler.post(command)) { |
| throw new RuntimeException(mHandler + " is probably exiting"); |
| } |
| } |
| |
| @Override |
| public void executeDelayed(@NonNull Runnable r, long delayMillis) { |
| if (!mHandler.postDelayed(r, delayMillis)) { |
| throw new RuntimeException(mHandler + " is probably exiting"); |
| } |
| } |
| |
| @Override |
| public void removeCallbacks(@NonNull Runnable r) { |
| mHandler.removeCallbacks(r); |
| } |
| |
| @Override |
| public boolean hasCallback(Runnable r) { |
| return mHandler.hasCallbacks(r); |
| } |
| } |