From 545347dfb2fbbb68cb278de23e8fd93506c4b9ee Mon Sep 17 00:00:00 2001
From: nift4 <nift4@protonmail.com>
Date: Sat, 1 Jun 2024 20:42:49 +0200
Subject: [PATCH] fix snack bar inset bug

---
 .../gramophone/logic/GramophoneExtensions.kt      |  4 ++++
 .../gramophone/ui/fragments/ViewPagerFragment.kt  | 15 +++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/app/src/main/kotlin/org/akanework/gramophone/logic/GramophoneExtensions.kt b/app/src/main/kotlin/org/akanework/gramophone/logic/GramophoneExtensions.kt
index 231cd4f03..9ea443b0a 100644
--- a/app/src/main/kotlin/org/akanework/gramophone/logic/GramophoneExtensions.kt
+++ b/app/src/main/kotlin/org/akanework/gramophone/logic/GramophoneExtensions.kt
@@ -414,6 +414,10 @@ inline fun needsMissingOnDestroyCallWorkarounds(): Boolean =
 inline fun hasImprovedMediaStore(): Boolean =
     Build.VERSION.SDK_INT >= Build.VERSION_CODES.R
 
+@Suppress("NOTHING_TO_INLINE")
+inline fun needsManualSnackBarInset(): Boolean =
+    Build.VERSION.SDK_INT <= Build.VERSION_CODES.P
+
 @Suppress("NOTHING_TO_INLINE")
 inline fun hasAlbumArtistIdInMediaStore(): Boolean =
     Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q
diff --git a/app/src/main/kotlin/org/akanework/gramophone/ui/fragments/ViewPagerFragment.kt b/app/src/main/kotlin/org/akanework/gramophone/ui/fragments/ViewPagerFragment.kt
index c6db2b1ae..0bd47a1d7 100644
--- a/app/src/main/kotlin/org/akanework/gramophone/ui/fragments/ViewPagerFragment.kt
+++ b/app/src/main/kotlin/org/akanework/gramophone/ui/fragments/ViewPagerFragment.kt
@@ -26,6 +26,8 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
 import androidx.appcompat.content.res.AppCompatResources
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
 import androidx.fragment.app.activityViewModels
 import androidx.media3.common.util.UnstableApi
 import androidx.viewpager2.widget.ViewPager2
@@ -36,7 +38,10 @@ import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.tabs.TabLayout
 import com.google.android.material.tabs.TabLayoutMediator
 import org.akanework.gramophone.R
+import org.akanework.gramophone.logic.clone
 import org.akanework.gramophone.logic.enableEdgeToEdgePaddingListener
+import org.akanework.gramophone.logic.needsManualSnackBarInset
+import org.akanework.gramophone.logic.updateMargin
 import org.akanework.gramophone.ui.LibraryViewModel
 import org.akanework.gramophone.ui.MainActivity
 import org.akanework.gramophone.ui.adapters.ViewPager2Adapter
@@ -132,6 +137,16 @@ class ViewPagerFragment : BaseFragment(true) {
                         // Set an anchor for snack bar.
                         if (playerLayout.visible && playerLayout.actuallyVisible)
                             snackBar.anchorView = playerLayout
+                        else if (needsManualSnackBarInset()) {
+                            // snack bar only implements proper insets handling for Q+
+                            snackBar.view.updateMargin {
+                                val i = ViewCompat.getRootWindowInsets(activity.window.decorView)
+                                if (i != null) {
+                                    bottom += i.clone()
+                                        .getInsets(WindowInsetsCompat.Type.systemBars()).bottom
+                                }
+                            }
+                        }
                         snackBar.show()
                     }
                 }