import android.annotation.SuppressLint
import android.support.annotation.CallSuper
import android.support.v7.app.AppCompatActivity
import io.reactivex.disposables.CompositeDisposable
import io.reactivex.disposables.Disposable
import io.reactivex.internal.disposables.DisposableContainer

@SuppressLint("Registered")
open class RxDisposableActivity : AppCompatActivity(), Disposable, DisposableContainer {

    protected val compositeDisposable: CompositeDisposable = CompositeDisposable()

    override fun add(d: Disposable?): Boolean = d?.let { compositeDisposable.add(it) } ?: false

    override fun remove(d: Disposable?): Boolean = d?.let(compositeDisposable::remove) ?: false

    override fun delete(d: Disposable?): Boolean = d?.let(compositeDisposable::delete) ?: false

    override fun isDisposed(): Boolean = compositeDisposable.isDisposed

    override fun dispose() = compositeDisposable.dispose()

    @CallSuper
    override fun onDestroy() {
        super.onDestroy()
        this.dispose()
    }
}