| /* |
| * Copyright (C) 2023 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.util.condition; |
| |
| import com.android.systemui.CoreStartable; |
| import com.android.systemui.shared.condition.Condition; |
| import com.android.systemui.shared.condition.Monitor; |
| |
| import java.util.Set; |
| |
| /** |
| * {@link ConditionalCoreStartable} is a {@link com.android.systemui.CoreStartable} abstract |
| * implementation where conditions must be met before routines are executed. |
| */ |
| public abstract class ConditionalCoreStartable implements CoreStartable { |
| private final Monitor mMonitor; |
| private final Set<Condition> mConditionSet; |
| private Monitor.Subscription.Token mStartToken; |
| private Monitor.Subscription.Token mBootCompletedToken; |
| |
| public ConditionalCoreStartable(Monitor monitor) { |
| this(monitor, null); |
| } |
| |
| public ConditionalCoreStartable(Monitor monitor, Set<Condition> conditionSet) { |
| mMonitor = monitor; |
| mConditionSet = conditionSet; |
| } |
| |
| @Override |
| public final void start() { |
| mStartToken = mMonitor.addSubscription( |
| new Monitor.Subscription.Builder(allConditionsMet -> { |
| if (allConditionsMet) { |
| mMonitor.removeSubscription(mStartToken); |
| mStartToken = null; |
| onStart(); |
| } |
| }).addConditions(mConditionSet) |
| .build()); |
| } |
| |
| protected abstract void onStart(); |
| |
| @Override |
| public final void onBootCompleted() { |
| mBootCompletedToken = mMonitor.addSubscription( |
| new Monitor.Subscription.Builder(allConditionsMet -> { |
| if (allConditionsMet) { |
| mMonitor.removeSubscription(mBootCompletedToken); |
| mBootCompletedToken = null; |
| bootCompleted(); |
| } |
| }).addConditions(mConditionSet) |
| .build()); |
| } |
| |
| protected void bootCompleted() { |
| } |
| } |