1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package androidx.lifecycle
17 
18 internal class DefaultLifecycleObserverAdapter(
19     private val defaultLifecycleObserver: DefaultLifecycleObserver,
20     private val lifecycleEventObserver: LifecycleEventObserver?
21 ) : LifecycleEventObserver {
onStateChangednull22     override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) {
23         when (event) {
24             Lifecycle.Event.ON_CREATE -> defaultLifecycleObserver.onCreate(source)
25             Lifecycle.Event.ON_START -> defaultLifecycleObserver.onStart(source)
26             Lifecycle.Event.ON_RESUME -> defaultLifecycleObserver.onResume(source)
27             Lifecycle.Event.ON_PAUSE -> defaultLifecycleObserver.onPause(source)
28             Lifecycle.Event.ON_STOP -> defaultLifecycleObserver.onStop(source)
29             Lifecycle.Event.ON_DESTROY -> defaultLifecycleObserver.onDestroy(source)
30             Lifecycle.Event.ON_ANY ->
31                 throw IllegalArgumentException("ON_ANY must not been send by anybody")
32         }
33         lifecycleEventObserver?.onStateChanged(source, event)
34     }
35 }
36