| /* |
| * Copyright 2014, 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.server.telecom; |
| |
| import android.os.Looper; |
| import android.telecom.Log; |
| |
| /** |
| * Helper methods to deal with threading related tasks. |
| */ |
| public final class ThreadUtil { |
| private static final String TAG = ThreadUtil.class.getSimpleName(); |
| |
| private ThreadUtil() {} |
| |
| /** @return whether this method is being called from the main (UI) thread. */ |
| public static boolean isOnMainThread() { |
| return Looper.getMainLooper() == Looper.myLooper(); |
| } |
| |
| /** |
| * Checks that this is being executed on the main thread. If not, a message is logged at |
| * WTF-level priority. |
| */ |
| public static void checkOnMainThread() { |
| if (!isOnMainThread()) { |
| Log.wtf(TAG, new IllegalStateException(), "Must be on the main thread!"); |
| } |
| } |
| |
| /** |
| * Checks that this is not being executed on the main thread. If so, a message is logged at |
| * WTF-level priority. |
| */ |
| public static void checkNotOnMainThread() { |
| if (isOnMainThread()) { |
| Log.wtf(TAG, new IllegalStateException(), "Must not be on the main thread!"); |
| } |
| } |
| } |