Clean up unnecessary manual color specification in Compose code

app/src/main/java/org/schabi/newpipe/fragments/list/comments/CommentsFragment.kt

@@ -3,7 +3,6 @@ package org.schabi.newpipe.fragments.list.comments
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.ViewGroup
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.core.os.bundleOf
 import androidx.fragment.app.Fragment
@@ -20,7 +19,7 @@ class CommentsFragment : Fragment() {
         savedInstanceState: Bundle?
     ) = content {
         AppTheme {
-            Surface(color = MaterialTheme.colorScheme.background) {
+            Surface {
                 CommentSection()
             }
         }

app/src/main/java/org/schabi/newpipe/ui/components/common/LoadingIndicator.kt

@@ -3,16 +3,11 @@ package org.schabi.newpipe.ui.components.common
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.wrapContentSize
 import androidx.compose.material3.CircularProgressIndicator
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 
 @Composable
 fun LoadingIndicator(modifier: Modifier = Modifier) {
-    CircularProgressIndicator(
+    CircularProgressIndicator(modifier = modifier.fillMaxSize().wrapContentSize(Alignment.Center))
-        modifier = modifier.fillMaxSize().wrapContentSize(Alignment.Center),
-        color = MaterialTheme.colorScheme.primary,
-        trackColor = MaterialTheme.colorScheme.surfaceVariant,
-    )
 }

app/src/main/java/org/schabi/newpipe/ui/components/common/Scrollbar.kt

@@ -4,6 +4,7 @@ import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import my.nanihadesuka.compose.LazyColumnScrollbar
 import my.nanihadesuka.compose.ScrollbarSettings
 
 @Composable
@@ -20,7 +21,7 @@ fun LazyColumnThemedScrollbar(
     indicatorContent: (@Composable (index: Int, isThumbSelected: Boolean) -> Unit)? = null,
     content: @Composable () -> Unit
 ) {
-    my.nanihadesuka.compose.LazyColumnScrollbar(
+    LazyColumnScrollbar(
         state = state,
         modifier = modifier,
         settings = settings,

app/src/main/java/org/schabi/newpipe/ui/components/items/ItemList.kt

@@ -16,16 +16,15 @@ import androidx.compose.ui.platform.rememberNestedScrollInteropConnection
 import androidx.compose.ui.res.stringResource
 import androidx.preference.PreferenceManager
 import androidx.window.core.layout.WindowWidthSizeClass
-import my.nanihadesuka.compose.LazyColumnScrollbar
 import org.schabi.newpipe.R
 import org.schabi.newpipe.extractor.InfoItem
 import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem
 import org.schabi.newpipe.extractor.stream.StreamInfoItem
 import org.schabi.newpipe.info_list.ItemViewMode
 import org.schabi.newpipe.ktx.findFragmentActivity
+import org.schabi.newpipe.ui.components.common.LazyColumnThemedScrollbar
 import org.schabi.newpipe.ui.components.items.playlist.PlaylistListItem
 import org.schabi.newpipe.ui.components.items.stream.StreamListItem
-import org.schabi.newpipe.ui.theme.NewPipeScrollbarSettings
 import org.schabi.newpipe.util.DependentPreferenceHelper
 import org.schabi.newpipe.util.NavigationHelper
 
@@ -73,7 +72,7 @@ fun ItemList(
     } else {
         val state = rememberLazyListState()
 
-        LazyColumnScrollbar(state = state, settings = NewPipeScrollbarSettings) {
+        LazyColumnThemedScrollbar(state = state) {
             LazyColumn(modifier = nestedScrollModifier, state = state) {
                 listHeader()
 

app/src/main/java/org/schabi/newpipe/ui/components/video/comment/Comment.kt

@@ -257,7 +257,7 @@ private fun CommentPreview(
     @PreviewParameter(CommentPreviewProvider::class) commentsInfoItem: CommentsInfoItem
 ) {
     AppTheme {
-        Surface(color = MaterialTheme.colorScheme.background) {
+        Surface {
             Comment(commentsInfoItem) {}
         }
     }
@@ -267,7 +267,7 @@ private fun CommentPreview(
 @Composable
 private fun CommentListPreview() {
     AppTheme {
-        Surface(color = MaterialTheme.colorScheme.background) {
+        Surface {
             Column {
                 for (comment in CommentPreviewProvider().values) {
                     Comment(comment) {}

app/src/main/java/org/schabi/newpipe/ui/components/video/comment/CommentRepliesDialog.kt

@@ -6,14 +6,11 @@ import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.HorizontalDivider
-import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ModalBottomSheet
 import androidx.compose.material3.Text
-import androidx.compose.material3.contentColorFor
 import androidx.compose.material3.rememberModalBottomSheetState
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
@@ -84,12 +81,6 @@ private fun CommentRepliesDialog(
     ModalBottomSheet(
         sheetState = sheetState,
         onDismissRequest = onDismissRequest,
-    ) {
-        CompositionLocalProvider(
-            // contentColorFor(MaterialTheme.colorScheme.containerColor), i.e. ModalBottomSheet's
-            // default background color, does not resolve correctly, so need to manually set the
-            // content color for MaterialTheme.colorScheme.background instead
-            LocalContentColor provides contentColorFor(MaterialTheme.colorScheme.background)
     ) {
         LazyColumnThemedScrollbar(state = listState) {
             LazyColumn(
@@ -150,7 +141,6 @@ private fun CommentRepliesDialog(
             }
         }
     }
-    }
 }
 
 @Preview(name = "Light mode", uiMode = Configuration.UI_MODE_NIGHT_NO)

app/src/main/java/org/schabi/newpipe/ui/components/video/comment/CommentRepliesHeader.kt

@@ -143,7 +143,7 @@ fun CommentRepliesHeaderPreview() {
     )
 
     AppTheme {
-        Surface(color = MaterialTheme.colorScheme.background) {
+        Surface {
             CommentRepliesHeader(comment) {}
         }
     }

app/src/main/java/org/schabi/newpipe/ui/components/video/comment/CommentSection.kt

@@ -123,7 +123,7 @@ private fun CommentSection(
 @Composable
 private fun CommentSectionLoadingPreview() {
     AppTheme {
-        Surface(color = MaterialTheme.colorScheme.background) {
+        Surface {
             CommentSection(uiState = Resource.Loading, commentsFlow = flowOf())
         }
     }
@@ -151,7 +151,7 @@ private fun CommentSectionSuccessPreview() {
     }
 
     AppTheme {
-        Surface(color = MaterialTheme.colorScheme.background) {
+        Surface {
             CommentSection(
                 uiState = Resource.Success(
                     CommentInfo(
@@ -170,7 +170,7 @@ private fun CommentSectionSuccessPreview() {
 @Composable
 private fun CommentSectionErrorPreview() {
     AppTheme {
-        Surface(color = MaterialTheme.colorScheme.background) {
+        Surface {
             CommentSection(uiState = Resource.Error(RuntimeException()), commentsFlow = flowOf())
         }
     }

app/src/main/java/org/schabi/newpipe/ui/theme/Theme.kt

@@ -8,7 +8,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.preference.PreferenceManager
-import my.nanihadesuka.compose.ScrollbarSettings
 
 private val lightScheme = lightColorScheme(
     primary = primaryLight,
@@ -88,11 +87,6 @@ private val darkScheme = darkColorScheme(
 
 private val blackScheme = darkScheme.copy(surface = Color.Black)
 
-val NewPipeScrollbarSettings = ScrollbarSettings(
-    thumbSelectedColor = primaryDark,
-    thumbUnselectedColor = primaryLight
-)
-
 @Composable
 fun AppTheme(useDarkTheme: Boolean = isSystemInDarkTheme(), content: @Composable () -> Unit) {
     val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(LocalContext.current)