MrSluffy
58 lines
1.7 KiB
Java
58 lines
1.7 KiB
Java
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.wm.shell.common;
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import android.annotation.NonNull;
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import android.os.Handler;
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/** Executor implementation which is backed by a Handler. */
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public class HandlerExecutor implements ShellExecutor {
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private final Handler mHandler;
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public HandlerExecutor(@NonNull Handler handler) {
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mHandler = handler;
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}
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@Override
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public void execute(@NonNull Runnable command) {
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if (mHandler.getLooper().isCurrentThread()) {
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command.run();
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return;
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}
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if (!mHandler.post(command)) {
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throw new RuntimeException(mHandler + " is probably exiting");
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}
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}
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@Override
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public void executeDelayed(@NonNull Runnable r, long delayMillis) {
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if (!mHandler.postDelayed(r, delayMillis)) {
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throw new RuntimeException(mHandler + " is probably exiting");
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}
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}
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@Override
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public void removeCallbacks(@NonNull Runnable r) {
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mHandler.removeCallbacks(r);
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}
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@Override
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public boolean hasCallback(Runnable r) {
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return mHandler.hasCallbacks(r);
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}
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}
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