| /* |
| * Copyright (C) 2021 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.Manifest; |
| import android.util.Slog; |
| |
| import java.util.function.Consumer; |
| |
| /** |
| * Helpers for working with executors |
| */ |
| public class ExecutorUtils { |
| |
| /** |
| * Checks that the caller has the MANAGE_ACTIVITY_TASKS permission and executes the given |
| * callback. |
| */ |
| public static <T> void executeRemoteCallWithTaskPermission(RemoteCallable<T> controllerInstance, |
| String log, Consumer<T> callback) { |
| executeRemoteCallWithTaskPermission(controllerInstance, log, callback, |
| false /* blocking */); |
| } |
| |
| /** |
| * Checks that the caller has the MANAGE_ACTIVITY_TASKS permission and executes the given |
| * callback. |
| */ |
| public static <T> void executeRemoteCallWithTaskPermission(RemoteCallable<T> controllerInstance, |
| String log, Consumer<T> callback, boolean blocking) { |
| if (controllerInstance == null) return; |
| |
| final RemoteCallable<T> controller = controllerInstance; |
| controllerInstance.getContext().enforceCallingPermission( |
| Manifest.permission.MANAGE_ACTIVITY_TASKS, log); |
| if (blocking) { |
| try { |
| controllerInstance.getRemoteCallExecutor().executeBlocking(() -> { |
| callback.accept((T) controller); |
| }); |
| } catch (InterruptedException e) { |
| Slog.e("ExecutorUtils", "Remote call failed", e); |
| } |
| } else { |
| controllerInstance.getRemoteCallExecutor().execute(() -> { |
| callback.accept((T) controller); |
| }); |
| } |
| } |
| } |