1 /*
<lambda>null2  * Copyright 2023 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.window.area.utils
18 
19 import android.annotation.SuppressLint
20 import android.view.Window
21 import androidx.window.extensions.area.ExtensionWindowAreaPresentation
22 import java.lang.reflect.Method
23 
24 internal object PresentationWindowCompatUtils {
25 
26     // We perform our own extensions vendor API level check at the call-site
27     @SuppressLint("BanUncheckedReflection")
28     fun getWindowBeforeVendorApiLevel4(
29         extensionPresentation: ExtensionWindowAreaPresentation
30     ): Window? {
31         val getWindowMethod = getWindowMethod(extensionPresentation)
32         return if (getWindowMethod == null) null
33         else (getWindowMethod.invoke(extensionPresentation) as Window?)
34     }
35 
36     private fun getWindowMethod(extensionPresentation: ExtensionWindowAreaPresentation): Method? {
37         return extensionPresentation.javaClass.methods.firstOrNull { method: Method? ->
38             method?.name == "getWindow" && method.returnType == android.view.Window::class.java
39         }
40     }
41 }
42