package keijumt.devandroid.viewmodel

import android.arch.lifecycle.Lifecycle
import android.arch.lifecycle.LifecycleObserver
import android.arch.lifecycle.OnLifecycleEvent
import android.arch.lifecycle.ViewModel
import io.reactivex.disposables.CompositeDisposable
import io.reactivex.disposables.Disposable

/**
 * ViewModelの基底クラス
 */
abstract class BaseViewModel : ViewModel(), LifecycleObserver {

    val compositeDisposable = CompositeDisposable()

    @OnLifecycleEvent(Lifecycle.Event.ON_CREATE)
    open fun onCreate() {
    }

    @OnLifecycleEvent(Lifecycle.Event.ON_START)
    open fun onStart() {
    }

    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
    open fun onResume() {
    }

    @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
    open fun onPause() {
    }

    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
    open fun onStop() {
    }

    @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
    open fun onDestroy() {
    }

    protected fun addDisposable(disposable: Disposable) {
        compositeDisposable.add(disposable)
    }

    override fun onCleared() {
        super.onCleared()
        compositeDisposable.clear()
    }
}