Add: ScreenshotsPage composable

src/main/kotlin/com/machiav3lli/fdroid/ui/pages/ScreenshotsPage.kt

@@ -0,0 +1,51 @@
+package com.machiav3lli.fdroid.ui.pages
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.SideEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import com.google.accompanist.pager.ExperimentalPagerApi
+import com.google.accompanist.pager.HorizontalPager
+import com.google.accompanist.pager.rememberPagerState
+import com.machiav3lli.fdroid.network.CoilDownloader
+import com.machiav3lli.fdroid.ui.compose.components.ScreenshotItem
+import com.machiav3lli.fdroid.ui.compose.utils.ZoomableImage
+
+@OptIn(ExperimentalPagerApi::class)
+@Composable
+fun ScreenshotsPage(
+    screenshots: List<ScreenshotItem>,
+    page: Int,
+) {
+    val pagerState = rememberPagerState()
+
+    HorizontalPager(count = screenshots.size, state = pagerState) { page ->
+        val screenshot = screenshots[page]
+        var image by remember { mutableStateOf<String?>(null) }
+
+        SideEffect {
+            image = CoilDownloader.createScreenshotUri(
+                screenshot.repository,
+                screenshot.packageName,
+                screenshot.screenShot
+            ).toString()
+        }
+
+        Box {
+            ZoomableImage(
+                data = image,
+                modifier = Modifier.fillMaxSize(),
+            )
+        }
+    }
+
+    LaunchedEffect(page) {
+        pagerState.scrollToPage(page)
+    }
+}