Add DeviceConfigurationOverride for insets to allow screenshot testin…

…g insets

Change-Id: Idc781bf23021c1dba0d992bda0a3233e38e7c436

app/src/testDemo/kotlin/com/google/samples/apps/nowinandroid/ui/DeviceConfigurationOverrideWindowInsets.kt

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.samples.apps.nowinandroid.ui
+
+import android.view.WindowInsets
+import android.widget.FrameLayout
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.rememberUpdatedState
+import androidx.compose.ui.platform.ComposeView
+import androidx.compose.ui.test.DeviceConfigurationOverride
+import androidx.compose.ui.viewinterop.AndroidView
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.children
+
+/**
+ * A [DeviceConfigurationOverride] that allows overriding the [windowInsets] available
+ * to the content under test.
+ */
+fun DeviceConfigurationOverride.Companion.WindowInsets(
+ windowInsets: WindowInsetsCompat
+): DeviceConfigurationOverride = DeviceConfigurationOverride { contentUnderTest ->
+ val currentContentUnderTest by rememberUpdatedState(contentUnderTest)
+ val currentWindowInsets by rememberUpdatedState(windowInsets)
+ AndroidView(
+ factory = { context ->
+ object : FrameLayout(context) {
+ override fun dispatchApplyWindowInsets(insets: WindowInsets): WindowInsets {
+ children.forEach {
+ it.dispatchApplyWindowInsets(currentWindowInsets.toWindowInsets())
+ }
+ return WindowInsetsCompat.CONSUMED.toWindowInsets()!!
+ }
+
+ /**
+ * Deprecated, but intercept the `requestApplyInsets` call via the deprecated
+ * method.
+ */
+ @Deprecated("Deprecated in Java")
+ override fun requestFitSystemWindows() {
+ dispatchApplyWindowInsets(currentWindowInsets.toWindowInsets()!!)
+ }
+ }.apply {
+ addView(
+ ComposeView(context).apply {
+ setContent {
+ currentContentUnderTest()
+ }
+ }
+ )
+ }
+ },
+ )
+}