1 /*
2  * Copyright 2021 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 
17 package androidx.compose.ui.platform
18 
19 import android.view.View
20 import kotlin.jvm.JvmDefaultWithCompatibility
21 
22 /**
23  * The marker interface to be implemented by [View]s that are initialized from Compose. Examples
24  * are: DialogWrapper, PopupLayout, ViewFactoryHolder. To be used by the inspector.
25  */
26 @JvmDefaultWithCompatibility
27 interface ViewRootForInspector {
28 
29     /**
30      * Return the [AbstractComposeView] if this is creating for a sub composition.
31      *
32      * This allows the inspector to add the creating compose nodes to the sub composition.
33      */
34     val subCompositionView: AbstractComposeView?
35         get() = null
36 
37     /**
38      * Return the top view initialized from Compose.
39      *
40      * This allows the inspector to place the view under the correct compose node.
41      */
42     val viewRoot: View?
43         get() = null
44 }
45