Fix MainActivity insets

app/src/main/java/org/koitharu/kotatsu/base/ui/BaseActivity.kt

@@ -31,7 +31,7 @@ abstract class BaseActivity<B : ViewBinding> : AppCompatActivity(), OnApplyWindo
 	@Suppress("LeakingThis")
 	protected val exceptionResolver = ExceptionResolver(this)
 
-	private var lastInsets: Insets = Insets.NONE
+	private var lastInsets: Insets? = null
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		val settings = get<AppSettings>()

app/src/main/java/org/koitharu/kotatsu/base/ui/BaseFragment.kt

@@ -9,6 +9,7 @@ import androidx.core.graphics.Insets
 import androidx.core.view.OnApplyWindowInsetsListener
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.doOnNextLayout
 import androidx.fragment.app.Fragment
 import androidx.viewbinding.ViewBinding
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
@@ -23,7 +24,7 @@ abstract class BaseFragment<B : ViewBinding> : Fragment(), OnApplyWindowInsetsLi
 	@Suppress("LeakingThis")
 	protected val exceptionResolver = ExceptionResolver(this)
 
-	private var lastInsets: Insets = Insets.NONE
+	private var lastInsets: Insets? = null
 
 	override fun onCreateView(
 		inflater: LayoutInflater,
@@ -37,12 +38,18 @@ abstract class BaseFragment<B : ViewBinding> : Fragment(), OnApplyWindowInsetsLi
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		lastInsets = Insets.NONE
 		ViewCompat.setOnApplyWindowInsetsListener(view, this)
+		view.doOnNextLayout {
+			// Listener may not be called
+			if (lastInsets == null) {
+				onWindowInsetsChanged(Insets.NONE)
+			}
+		}
 	}
 
 	override fun onDestroyView() {
 		viewBinding = null
+		lastInsets = null
 		super.onDestroyView()
 	}
 

app/src/main/java/org/koitharu/kotatsu/details/ui/ChaptersFragment.kt

@@ -203,19 +203,9 @@ class ChaptersFragment : BaseFragment<FragmentChaptersBinding>(),
 	}
 
 	override fun onWindowInsetsChanged(insets: Insets) {
-		val root = binding.root
-		if (root.parent is FragmentContainerView) {
-			binding.recyclerViewChapters.updatePaddingRelative(
-				end = insets.getEnd(root),
-				bottom = insets.bottom + binding.spinnerBranches.height,
-			)
-		} else {
-			binding.recyclerViewChapters.updatePadding(
-				left = insets.left,
-				right = insets.right,
-				bottom = insets.bottom + binding.spinnerBranches.height,
-			)
-		}
+		binding.recyclerViewChapters.updatePadding(
+			bottom = insets.bottom + binding.spinnerBranches.height,
+		)
 	}
 
 	private fun onChaptersChanged(list: List<ChapterListItem>) {

app/src/main/java/org/koitharu/kotatsu/details/ui/DetailsActivity.kt

@@ -9,7 +9,6 @@ import android.view.MenuItem
 import android.view.ViewGroup
 import android.widget.Toast
 import androidx.appcompat.view.ActionMode
-import androidx.appcompat.widget.Toolbar
 import androidx.core.content.pm.ShortcutManagerCompat
 import androidx.core.graphics.Insets
 import androidx.core.net.toFile
@@ -96,22 +95,13 @@ class DetailsActivity : BaseActivity<ActivityDetailsBinding>(), TabLayoutMediato
 		binding.snackbar.updatePadding(
 			bottom = insets.bottom
 		)
-		with(binding.toolbar) {
-			updatePadding(
-				left = insets.left,
-				right = insets.right
-			)
-			updateLayoutParams<ViewGroup.MarginLayoutParams> {
-				topMargin = insets.top
-			}
-		}
-		val tabs = binding.tabs
-		if (tabs != null && tabs.parent !is Toolbar) {
-			tabs.updatePadding(
-				left = insets.left,
-				right = insets.right
-			)
+		binding.toolbar.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+			topMargin = insets.top
 		}
+		binding.root.updatePadding(
+			left = insets.left,
+			right = insets.right
+		)
 	}
 
 	private fun onNewChaptersChanged(newChapters: Int) {

app/src/main/java/org/koitharu/kotatsu/details/ui/DetailsFragment.kt

@@ -13,8 +13,6 @@ import androidx.core.net.toUri
 import androidx.core.text.parseAsHtml
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
-import androidx.core.view.updatePaddingRelative
-import androidx.fragment.app.FragmentContainerView
 import coil.ImageLoader
 import coil.request.ImageRequest
 import coil.util.CoilUtils
@@ -234,19 +232,9 @@ class DetailsFragment : BaseFragment<FragmentDetailsBinding>(), View.OnClickList
 	}
 
 	override fun onWindowInsetsChanged(insets: Insets) {
-		val root = binding.root
-		if (root.parent is FragmentContainerView) {
-			root.updatePaddingRelative(
-				start = insets.getStart(root),
-				bottom = insets.bottom,
-			)
-		} else {
-			root.updatePadding(
-				left = insets.left,
-				right = insets.right,
-				bottom = insets.bottom,
-			)
-		}
+		binding.root.updatePadding(
+			bottom = insets.bottom,
+		)
 	}
 
 	private fun bindTags(manga: Manga) {

app/src/main/java/org/koitharu/kotatsu/list/ui/MangaListFragment.kt

@@ -176,17 +176,19 @@ abstract class MangaListFragment : BaseFragment<FragmentListBinding>(),
 		val headerHeight = (activity as? AppBarOwner)?.appBar?.measureHeight() ?: insets.top
 		binding.root.updatePadding(
 			left = insets.left,
-			right = insets.right
+			right = insets.right,
 		)
 		if (activity is MainActivity) {
+			val topOffsetDiff = binding.recyclerView.paddingTop - headerHeight
 			binding.recyclerView.updatePadding(
 				top = headerHeight,
-				bottom = insets.bottom
+				bottom = insets.bottom,
 			)
+			binding.recyclerView.scrollBy(0, topOffsetDiff)
 			binding.swipeRefreshLayout.setProgressViewOffset(
 				true,
 				headerHeight + resources.resolveDp(-72),
-				headerHeight + resources.resolveDp(10)
+				headerHeight + resources.resolveDp(10),
 			)
 		}
 	}

app/src/main/java/org/koitharu/kotatsu/main/ui/MainActivity.kt

@@ -10,13 +10,15 @@ import android.view.ViewGroup.MarginLayoutParams
 import androidx.appcompat.app.ActionBarDrawerToggle
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.Insets
-import androidx.core.view.*
+import androidx.core.view.GravityCompat
+import androidx.core.view.ViewCompat
+import androidx.core.view.updateLayoutParams
+import androidx.core.view.updatePadding
 import androidx.drawerlayout.widget.DrawerLayout
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentTransaction
 import androidx.fragment.app.commit
 import androidx.lifecycle.lifecycleScope
-import androidx.recyclerview.widget.RecyclerView
 import androidx.swiperefreshlayout.widget.CircularProgressDrawable
 import com.google.android.material.appbar.AppBarLayout
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
@@ -104,15 +106,7 @@ class MainActivity : BaseActivity<ActivityMainBinding>(),
 		}
 
 		with(binding.navigationView) {
-			val menuView =
-				findViewById<RecyclerView>(com.google.android.material.R.id.design_navigation_view)
-			ViewCompat.setOnApplyWindowInsetsListener(navHeaderBinding.root) { v, insets ->
-				val systemWindowInsets = insets.getInsets(WindowInsetsCompat.Type.systemBars())
-				v.updatePadding(top = systemWindowInsets.top)
-				// NavigationView doesn't dispatch insets to the menu view, so pad the bottom here.
-				menuView.updatePadding(bottom = systemWindowInsets.bottom)
-				insets
-			}
+			ViewCompat.setOnApplyWindowInsetsListener(this, NavigationViewInsetsListener())
 			addHeaderView(navHeaderBinding.root)
 			setNavigationItemSelectedListener(this@MainActivity)
 		}
@@ -219,14 +213,16 @@ class MainActivity : BaseActivity<ActivityMainBinding>(),
 	}
 
 	override fun onWindowInsetsChanged(insets: Insets) {
-		binding.toolbarCard.updateLayoutParams<MarginLayoutParams> {
-			topMargin = insets.top + resources.resolveDp(8)
-		}
 		binding.fab.updateLayoutParams<MarginLayoutParams> {
 			bottomMargin = insets.bottom + topMargin
-			leftMargin = insets.left + topMargin
-			rightMargin = insets.right + topMargin
 		}
+		binding.toolbarCard.updateLayoutParams<MarginLayoutParams> {
+			topMargin = insets.top + bottomMargin
+		}
+		binding.root.updatePadding(
+			left = insets.left,
+			right = insets.right,
+		)
 		binding.container.updateLayoutParams<MarginLayoutParams> {
 			topMargin = -(binding.appbar.measureHeight())
 		}

app/src/main/java/org/koitharu/kotatsu/main/ui/NavigationViewInsetsListener.kt

@@ -0,0 +1,24 @@
+package org.koitharu.kotatsu.main.ui
+
+import android.view.View
+import androidx.core.view.OnApplyWindowInsetsListener
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.updatePadding
+import java.lang.ref.WeakReference
+import com.google.android.material.R as materialR
+
+class NavigationViewInsetsListener : OnApplyWindowInsetsListener {
+
+	private var menuViewRef: WeakReference<View>? = null
+
+	override fun onApplyWindowInsets(v: View, insets: WindowInsetsCompat): WindowInsetsCompat {
+		val menuView = menuViewRef?.get() ?: v.findViewById<View>(materialR.id.design_navigation_view).also {
+			menuViewRef = WeakReference(it)
+		}
+		val systemWindowInsets = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+		v.updatePadding(top = systemWindowInsets.top)
+		// NavigationView doesn't dispatch insets to the menu view, so pad the bottom here.
+		menuView.updatePadding(bottom = systemWindowInsets.bottom)
+		return WindowInsetsCompat.CONSUMED
+	}
+}

app/src/main/res/layout-w720dp-land/activity_main.xml

@@ -32,16 +32,15 @@
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
 			app:elevation="0dp"
+			android:paddingLeft="16dp"
+			android:paddingRight="16dp"
 			app:liftOnScroll="false">
 
 			<FrameLayout
 				android:id="@+id/toolbar_card"
 				android:layout_width="match_parent"
 				android:layout_height="54dp"
-				android:layout_marginStart="16dp"
-				android:layout_marginTop="8dp"
-				android:layout_marginEnd="16dp"
-				android:layout_marginBottom="8dp"
+				android:layout_marginVertical="8dp"
 				android:background="@drawable/toolbar_background">
 
 				<com.google.android.material.appbar.MaterialToolbar

app/src/main/res/layout/activity_main.xml

@@ -22,6 +22,8 @@
 			android:id="@+id/appbar"
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
+			android:paddingLeft="16dp"
+			android:paddingRight="16dp"
 			android:background="@null"
 			android:stateListAnimator="@null">
 
@@ -29,10 +31,7 @@
 				android:id="@+id/toolbar_card"
 				android:layout_width="match_parent"
 				android:layout_height="48dp"
-				android:layout_marginStart="16dp"
-				android:layout_marginTop="8dp"
-				android:layout_marginEnd="16dp"
-				android:layout_marginBottom="8dp"
+				android:layout_marginVertical="8dp"
 				android:background="@drawable/toolbar_background">
 
 				<com.google.android.material.appbar.MaterialToolbar