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/*
* Copyright (C) 2020 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.permissioncontroller.permission.service
import android.os.Looper
import androidx.lifecycle.LifecycleObserver
import androidx.lifecycle.LifecycleOwner
import androidx.lifecycle.LifecycleRegistry
import java.lang.IllegalStateException
class CheckLifecycleRegistry(provider: LifecycleOwner) : LifecycleRegistry(provider) {
private val observerLock = Any()
override fun addObserver(observer: LifecycleObserver) {
if (Looper.myLooper() != Looper.getMainLooper()) {
throw IllegalStateException("Lifecycle running on non main thread")
}
synchronized(observerLock) { super.addObserver(observer) }
}
override fun removeObserver(observer: LifecycleObserver) {
if (Looper.myLooper() != Looper.getMainLooper()) {
throw IllegalStateException("Lifecycle running on non main thread")
}
synchronized(observerLock) { super.removeObserver(observer) }
}
}
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