Remove deprecated accompanist-pager

app/build.gradle

@@ -382,8 +382,6 @@ dependencies {
     debugImplementation "androidx.compose.ui:ui-test-manifest:$composeVersion"
 
     implementation "com.google.accompanist:accompanist-themeadapter-appcompat:0.33.1-alpha"
-    implementation "com.google.accompanist:accompanist-pager:0.33.1-alpha"
-    implementation "com.google.accompanist:accompanist-pager-indicators:0.33.1-alpha"
     implementation "com.google.accompanist:accompanist-permissions:0.33.1-alpha"
     implementation "com.google.accompanist:accompanist-drawablepainter:0.33.1-alpha"
 

app/src/main/java/org/thoughtcrime/securesms/ui/Carousel.kt

@@ -2,26 +2,44 @@ package org.thoughtcrime.securesms.ui
 
 import androidx.annotation.DrawableRes
 import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.BoxScope
+import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.RowScope
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.offset
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.pager.PagerState
+import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.Card
+import androidx.compose.material.ContentAlpha
 import androidx.compose.material.Icon
 import androidx.compose.material.IconButton
+import androidx.compose.material.LocalContentAlpha
+import androidx.compose.material.LocalContentColor
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.Shape
+import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.dp
 import kotlinx.coroutines.launch
 import network.loki.messenger.R
+import kotlin.math.absoluteValue
+import kotlin.math.sign
 
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
@@ -34,7 +52,7 @@ fun BoxScope.HorizontalPagerIndicator(pagerState: PagerState) {
             .padding(8.dp)
     ) {
         Box(modifier = Modifier.padding(8.dp)) {
-            com.google.accompanist.pager.HorizontalPagerIndicator(
+            ClickableHorizontalPagerIndicator(
                 pagerState = pagerState,
                 pageCount = pagerState.pageCount,
                 activeColor = Color.White,
@@ -43,6 +61,123 @@ fun BoxScope.HorizontalPagerIndicator(pagerState: PagerState) {
     }
 }
 
+internal interface PagerStateBridge {
+    val currentPage: Int
+    val currentPageOffset: Float
+}
+
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun ClickableHorizontalPagerIndicator(
+    pagerState: PagerState,
+    pageCount: Int,
+    modifier: Modifier = Modifier,
+    pageIndexMapping: (Int) -> Int = { it },
+    activeColor: Color = LocalContentColor.current.copy(alpha = LocalContentAlpha.current),
+    inactiveColor: Color = activeColor.copy(ContentAlpha.disabled),
+    indicatorWidth: Dp = 8.dp,
+    indicatorHeight: Dp = indicatorWidth,
+    spacing: Dp = indicatorWidth,
+    indicatorShape: Shape = CircleShape,
+) {
+    val scope = rememberCoroutineScope()
+
+    val stateBridge = remember(pagerState) {
+        object : PagerStateBridge {
+            override val currentPage: Int
+                get() = pagerState.currentPage
+            override val currentPageOffset: Float
+                get() = pagerState.currentPageOffsetFraction
+        }
+    }
+
+    HorizontalPagerIndicator(
+        pagerState = stateBridge,
+        pageCount = pageCount,
+        modifier = modifier,
+        pageIndexMapping = pageIndexMapping,
+        activeColor = activeColor,
+        inactiveColor = inactiveColor,
+        indicatorHeight = indicatorHeight,
+        indicatorWidth = indicatorWidth,
+        spacing = spacing,
+        indicatorShape = indicatorShape,
+    ) {
+        scope.launch {
+            pagerState.animateScrollToPage(it)
+        }
+    }
+}
+
+@Composable
+private fun HorizontalPagerIndicator(
+    pagerState: PagerStateBridge,
+    pageCount: Int,
+    modifier: Modifier = Modifier,
+    pageIndexMapping: (Int) -> Int = { it },
+    activeColor: Color = LocalContentColor.current.copy(alpha = LocalContentAlpha.current),
+    inactiveColor: Color = activeColor.copy(ContentAlpha.disabled),
+    indicatorWidth: Dp = 8.dp,
+    indicatorHeight: Dp = indicatorWidth,
+    spacing: Dp = indicatorWidth,
+    indicatorShape: Shape = CircleShape,
+    onIndicatorClick: (Int) -> Unit,
+) {
+
+    val indicatorWidthPx = LocalDensity.current.run { indicatorWidth.roundToPx() }
+    val spacingPx = LocalDensity.current.run { spacing.roundToPx() }
+
+    Box(
+        modifier = modifier,
+        contentAlignment = Alignment.CenterStart
+    ) {
+        Row(
+            horizontalArrangement = Arrangement.spacedBy(spacing),
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+
+            repeat(pageCount) {
+                Box(
+                    modifier = Modifier
+                        .size(width = indicatorWidth, height = indicatorHeight)
+                        .clip(indicatorShape)
+                        .background(color = inactiveColor)
+                        .clickable { onIndicatorClick(it) }  //modified here
+                )
+            }
+        }
+
+        Box(
+            Modifier
+                .offset {
+                    val position = pageIndexMapping(pagerState.currentPage)
+                    val offset = pagerState.currentPageOffset
+                    val next = pageIndexMapping(pagerState.currentPage + offset.sign.toInt())
+                    val scrollPosition = ((next - position) * offset.absoluteValue + position)
+                        .coerceIn(
+                            0f,
+                            (pageCount - 1)
+                                .coerceAtLeast(0)
+                                .toFloat()
+                        )
+
+                    IntOffset(
+                        x = ((spacingPx + indicatorWidthPx) * scrollPosition).toInt(),
+                        y = 0
+                    )
+                }
+                .size(width = indicatorWidth, height = indicatorHeight)
+                .then(
+                    if (pageCount > 0) Modifier.background(
+                        color = activeColor,
+                        shape = indicatorShape,
+                    )
+                    else Modifier
+                )
+        )
+    }
+}
+
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun RowScope.CarouselPrevButton(pagerState: PagerState) {