Update window insets logic for gallery and review screens.

app/src/main/java/org/thoughtcrime/securesms/util/SystemWindowInsetsSetter.kt

@@ -0,0 +1,43 @@
+package org.thoughtcrime.securesms.util
+
+import android.view.View
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+
+object SystemWindowInsetsSetter {
+  /**
+   * Updates the view whenever a layout occurs to properly set the system bar insets. setPadding is safe here because it will only trigger an extra layout
+   * call IF the values actually changed.
+   */
+  fun attach(view: View, lifecycleOwner: LifecycleOwner, @WindowInsetsCompat.Type.InsetsType insetType: Int = WindowInsetsCompat.Type.systemBars()) {
+    val listener = view.doOnEachLayout {
+      val insets = ViewCompat.getRootWindowInsets(view)?.getInsets(insetType)
+
+      if (insets != null) {
+        view.setPadding(
+          insets.left,
+          insets.top,
+          insets.right,
+          insets.bottom
+        )
+      } else {
+        view.setPadding(
+          0,
+          ViewUtil.getStatusBarHeight(view),
+          0,
+          ViewUtil.getNavigationBarHeight(view)
+        )
+      }
+    }
+
+    val lifecycleObserver = object : DefaultLifecycleObserver {
+      override fun onDestroy(owner: LifecycleOwner) {
+        view.removeOnLayoutChangeListener(listener)
+      }
+    }
+
+    lifecycleOwner.lifecycle.addObserver(lifecycleObserver)
+  }
+}