/*
|
* Copyright (C) 2018 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;
|
|
import android.os.SystemProperties;
|
import java.util.ArrayList;
|
|
import javax.inject.Inject;
|
import javax.inject.Singleton;
|
|
/**
|
* Created by {@link Dependency} on SystemUI startup. Add tasks which need to be executed only
|
* after all other dependencies have been created.
|
*/
|
@Singleton
|
public class InitController {
|
|
/**
|
* If a task is added after all tasks are executed, then we've done something terribly wrong
|
*/
|
private boolean mTasksExecuted = false;
|
|
private final ArrayList<Runnable> mTasks = new ArrayList<>();
|
|
@Inject
|
public InitController() {
|
}
|
|
/**
|
* Add a task to be executed after {@link Dependency#start()}
|
* @param runnable the task to be executed
|
*/
|
public void addPostInitTask(Runnable runnable) {
|
if (mTasksExecuted && !("auto".equals(SystemProperties.get("ro.product.platform", "null")))) {
|
throw new IllegalStateException("post init tasks have already been executed!");
|
}
|
mTasks.add(runnable);
|
}
|
|
/**
|
* Run post-init tasks and remove them from the tasks list
|
*/
|
public void executePostInitTasks() {
|
while (!mTasks.isEmpty()) {
|
mTasks.remove(0).run();
|
}
|
|
mTasksExecuted = true;
|
}
|
}
|
