feat: Scrollbars (ReVanced#1479)

app/build.gradle.kts

@@ -54,7 +54,7 @@ android {
         includeInApk = false
         includeInBundle = false
     }
-    
+
     packaging {
         resources.excludes.addAll(listOf(
             "/prebuilt/**",
@@ -164,4 +164,7 @@ dependencies {
 
     // Fading Edges
     implementation(libs.fading.edges)
+
+    // Scrollbars
+    implementation(libs.scrollbars)
 }

app/src/main/java/app/revanced/manager/ui/component/ColumnWithScrollbar.kt

@@ -0,0 +1,29 @@
+package app.revanced.manager.ui.component
+
+import androidx.compose.foundation.ScrollState
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+
+@Composable
+fun ColumnWithScrollbar(
+    modifier: Modifier = Modifier,
+    state: ScrollState = rememberScrollState(),
+    verticalArrangement: Arrangement.Vertical = Arrangement.Top,
+    horizontalAlignment: Alignment.Horizontal = Alignment.Start,
+    content: @Composable ColumnScope.() -> Unit
+) {
+    Column(
+        modifier = modifier.then(Modifier.verticalScroll(state)),
+        verticalArrangement = verticalArrangement,
+        horizontalAlignment = horizontalAlignment,
+        content = content
+    )
+    Scrollbar(state, Modifier.then(modifier.padding())) // Get the modifier's padding to maintain scrollbar within the screen, e.g. paddingValues
+}

app/src/main/java/app/revanced/manager/ui/component/LazyColumnWithScrollbar.kt

@@ -0,0 +1,42 @@
+package app.revanced.manager.ui.component
+
+import androidx.compose.foundation.gestures.FlingBehavior
+import androidx.compose.foundation.gestures.ScrollableDefaults
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.LazyListScope
+import androidx.compose.foundation.lazy.LazyListState
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun LazyColumnWithScrollbar(
+    modifier: Modifier = Modifier,
+    state: LazyListState = rememberLazyListState(),
+    contentPadding: PaddingValues = PaddingValues(0.dp),
+    reverseLayout: Boolean = false,
+    verticalArrangement: Arrangement.Vertical =
+        if (!reverseLayout) Arrangement.Top else Arrangement.Bottom,
+    horizontalAlignment: Alignment.Horizontal = Alignment.Start,
+    flingBehavior: FlingBehavior = ScrollableDefaults.flingBehavior(),
+    userScrollEnabled: Boolean = true,
+    content: LazyListScope.() -> Unit
+) {
+    LazyColumn(
+        modifier = modifier,
+        state = state,
+        contentPadding = contentPadding,
+        reverseLayout = reverseLayout,
+        verticalArrangement = verticalArrangement,
+        horizontalAlignment = horizontalAlignment,
+        flingBehavior = flingBehavior,
+        userScrollEnabled = userScrollEnabled,
+        content = content
+    )
+    Scrollbar(state, Modifier.then(modifier.padding())) // Get the modifier's padding to maintain scrollbar within the screen, e.g. paddingValues
+}

app/src/main/java/app/revanced/manager/ui/component/Scrollbar.kt

@@ -0,0 +1,64 @@
+package app.revanced.manager.ui.component
+
+import androidx.compose.foundation.ScrollState
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.lazy.LazyListState
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import com.gigamole.composescrollbars.Scrollbars
+import com.gigamole.composescrollbars.ScrollbarsState
+import com.gigamole.composescrollbars.config.ScrollbarsConfig
+import com.gigamole.composescrollbars.config.ScrollbarsOrientation
+import com.gigamole.composescrollbars.config.layercontenttype.ScrollbarsLayerContentType
+import com.gigamole.composescrollbars.config.layersType.ScrollbarsLayersType
+import com.gigamole.composescrollbars.config.layersType.thicknessType.ScrollbarsThicknessType
+import com.gigamole.composescrollbars.config.visibilitytype.ScrollbarsVisibilityType
+import com.gigamole.composescrollbars.scrolltype.ScrollbarsScrollType
+import com.gigamole.composescrollbars.scrolltype.knobtype.ScrollbarsDynamicKnobType
+import com.gigamole.composescrollbars.scrolltype.knobtype.ScrollbarsStaticKnobType
+
+@Composable
+fun Scrollbar(scrollState: ScrollState, modifier: Modifier = Modifier) {
+    Scrollbar(
+        ScrollbarsScrollType.Scroll(
+            knobType = ScrollbarsStaticKnobType.Auto(),
+            state = scrollState
+        ),
+        modifier
+    )
+}
+
+@Composable
+fun Scrollbar(lazyListState: LazyListState, modifier: Modifier = Modifier) {
+    Scrollbar(
+        ScrollbarsScrollType.Lazy.List.Dynamic(
+            knobType = ScrollbarsDynamicKnobType.Auto(),
+            state = lazyListState
+        ),
+        modifier
+    )
+}
+
+@Composable
+private fun Scrollbar(scrollType: ScrollbarsScrollType, modifier: Modifier = Modifier) {
+    Scrollbars(
+        state = ScrollbarsState(
+            ScrollbarsConfig(
+                orientation = ScrollbarsOrientation.Vertical,
+                paddingValues = PaddingValues(0.dp),
+                layersType = ScrollbarsLayersType.Wrap(ScrollbarsThicknessType.Exact(4.dp)),
+                knobLayerContentType = ScrollbarsLayerContentType.Default.Colored.Idle(
+                    idleColor = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.35f)
+                ),
+                visibilityType = ScrollbarsVisibilityType.Dynamic.Fade(
+                    isVisibleOnTouchDown = true,
+                    isStaticWhenScrollPossible = false
+                )
+            ),
+            scrollType
+        ),
+        modifier = modifier
+    )
+}