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@sagix
Created December 21, 2017 20:12
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@file:JvmName("MutableDecoratorUtils")
package com.nicolasmouchel.executordecorator.android.arch.lifecycle
import android.arch.lifecycle.Lifecycle
import android.arch.lifecycle.LifecycleObserver
import android.arch.lifecycle.LifecycleOwner
import android.arch.lifecycle.OnLifecycleEvent
import com.nicolasmouchel.executordecorator.MutableDecorator
@Suppress("unused")
class MutableDecoratorLifecycle<T>(
private val decorated: T,
private val decorator: MutableDecorator<T>
) : LifecycleObserver {
@OnLifecycleEvent(Lifecycle.Event.ON_START)
fun onStart() {
decorator.mutate(decorated)
}
@OnLifecycleEvent(Lifecycle.Event.ON_STOP)
fun onStop() {
decorator.mutate(null)
}
}
@Suppress("unused")
fun <T> LifecycleOwner.addDecorator(decorated: T, decorator: MutableDecorator<T>) {
lifecycle.addObserver(MutableDecoratorLifecycle(decorated, decorator))
}
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