backdrop gallery overlay on tap

app/src/main/java/com/owenlejeune/tvtime/extensions/NumberExtensions.kt

@@ -1,7 +1,14 @@
 package com.owenlejeune.tvtime.extensions
 
 import android.content.Context
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
 
 fun Float.dpToPx(context: Context): Float {
     return this * context.resources.displayMetrics.density
 }
+
+@Composable
+fun Int.toDp(): Dp = (this / LocalContext.current.resources.displayMetrics.density).toInt().dp

app/src/main/java/com/owenlejeune/tvtime/ui/components/Gallery.kt

@@ -0,0 +1,273 @@
+package com.owenlejeune.tvtime.ui.components
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.layout.wrapContentHeight
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.ChevronLeft
+import androidx.compose.material.icons.outlined.ChevronRight
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.TileMode
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.unit.IntSize
+import androidx.compose.ui.unit.dp
+import coil.compose.AsyncImage
+import com.google.accompanist.pager.ExperimentalPagerApi
+import com.google.accompanist.pager.HorizontalPager
+import com.google.accompanist.pager.PagerState
+import com.owenlejeune.tvtime.extensions.toDp
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import kotlin.time.Duration.Companion.seconds
+
+@OptIn(ExperimentalPagerApi::class)
+@Composable
+fun Gallery(
+    pagerState: PagerState,
+    models: List<Any?>,
+    modifier: Modifier = Modifier,
+    contentDescriptions: List<String> = emptyList()
+) {
+    HorizontalPager(
+        count = models.size,
+        state = pagerState,
+        modifier = modifier
+    ) { page ->
+        AsyncImage(
+            model = models[page],
+            contentDescription = contentDescriptions[page],
+            contentScale = ContentScale.FillWidth
+        )
+    }
+}
+
+@OptIn(ExperimentalPagerApi::class)
+@Composable
+fun TapGallery(
+    pagerState: PagerState,
+    models: List<Any?>,
+    modifier: Modifier = Modifier
+) {
+    val scope = rememberCoroutineScope()
+
+    var showControls by remember { mutableStateOf(false) }
+    var lastTappedTime by remember { mutableStateOf(System.currentTimeMillis()) }
+
+    var job: Job? = null
+    LaunchedEffect(lastTappedTime) {
+        if (showControls) {
+            job = scope.launch {
+                delay(5.seconds)
+                withContext(Dispatchers.Main) {
+                    showControls = false
+                }
+            }
+        }
+    }
+
+    Box(
+        modifier = modifier
+            .clickable {
+                job?.cancel()
+                showControls = true
+                lastTappedTime = System.currentTimeMillis()
+            }
+    ) {
+        val sizeImage = remember { mutableStateOf(IntSize.Zero) }
+        HorizontalPager(
+            count = models.size,
+            state = pagerState,
+            modifier = Modifier
+                .fillMaxWidth()
+                .wrapContentHeight()
+                .onGloballyPositioned { sizeImage.value = it.size }
+        ) { page ->
+            AsyncImage(
+                model = models[page],
+                contentDescription = null,
+                contentScale = ContentScale.FillWidth
+            )
+        }
+
+        AnimatedVisibility(
+            visible = showControls,
+            enter = fadeIn(),
+            exit = fadeOut()
+        ) {
+            val gradient = Brush.horizontalGradient(
+                colors = listOf(Color.Black, Color.Transparent),
+                startX = 0f,
+                endX = (sizeImage.value.width/2).toFloat(),
+                tileMode = TileMode.Mirror
+            )
+
+            Box(
+                modifier = Modifier
+                    .background(brush = gradient)
+                    .size(
+                        width = sizeImage.value.width.toDp(),
+                        height = sizeImage.value.height.toDp()
+                    )
+            ) {
+                IconButton(
+                    modifier = Modifier
+                        .fillMaxHeight()
+                        .width(width = 48.dp)
+                        .align(Alignment.CenterStart),
+                    onClick = {}
+                ) {
+                    Icon(
+                        imageVector = Icons.Outlined.ChevronLeft,
+                        contentDescription = null,
+                        modifier = Modifier.align(Alignment.Center),
+                        tint = MaterialTheme.colorScheme.surface
+                    )
+                }
+
+                IconButton(
+                    modifier = Modifier
+                        .fillMaxHeight()
+                        .width(width = 48.dp)
+                        .align(Alignment.CenterEnd),
+                    onClick = {}
+                ) {
+                    Icon(
+                        imageVector = Icons.Outlined.ChevronRight,
+                        contentDescription = null,
+                        modifier = Modifier.align(Alignment.Center),
+                        tint = MaterialTheme.colorScheme.surface
+                    )
+                }
+//                Box(
+//                    modifier = Modifier
+//                        .background(brush = leftGradient)
+//                        .height(height = sizeImage.value.height.toDp())
+//                        .width((sizeImage.value.width/2).toDp())
+//                        .align(Alignment.CenterStart)
+//                        .onGloballyPositioned { leftSizeImage.value = it.size }
+//                        .clickable {
+//                            val target =
+//                                if (pagerState.currentPage == 0) models.size - 1 else pagerState.currentPage - 1
+//                            scope.launch { pagerState.animateScrollToPage(target) }
+//                        }
+//                ) {
+//                    Icon(
+//                        imageVector = Icons.Outlined.ChevronLeft,
+//                        contentDescription = null,
+//                        modifier = Modifier
+//                            .size(48.dp)
+//                            .padding(start = 24.dp)
+//                            .align(Alignment.CenterStart),
+//                        tint = MaterialTheme.colorScheme.surface
+//                    )
+//                }
+//                Box(
+//                    modifier = Modifier
+//                        .background(brush = rightGradient)
+//                        .height(height = sizeImage.value.height.toDp())
+//                        .width((sizeImage.value.width/2).toDp())
+//                        .align(Alignment.CenterEnd)
+//                        .onGloballyPositioned { rightSizeImage.value = it.size }
+//                        .clickable {
+//                            val target =
+//                                if (pagerState.currentPage == models.size - 1) 0 else pagerState.currentPage + 1
+//                            scope.launch { pagerState.animateScrollToPage(target) }
+//                        }
+//                ) {
+//                    Icon(
+//                        imageVector = Icons.Outlined.ChevronRight,
+//                        contentDescription = null,
+//                        modifier = Modifier
+//                            .size(48.dp)
+//                            .padding(end = 24.dp)
+//                            .align(Alignment.CenterEnd),
+//                        tint = MaterialTheme.colorScheme.surface
+//                    )
+//                }
+            }
+        }
+
+//        AnimatedVisibility(
+//            visible = showControls.value,
+//            enter = fadeIn(),
+//            exit = fadeOut()
+//        ) {
+//            val leftSizeImage = remember { mutableStateOf(IntSize.Zero) }
+//            val leftGradient = Brush.horizontalGradient(
+//                colors = listOf(Color.Black, Color.Transparent),
+//                startX = 0f,
+//                endX = leftSizeImage.value.width.toFloat()
+//            )
+//            Box(
+//                modifier = Modifier
+//                    .background(brush = leftGradient)
+//                    .fillMaxHeight()
+//                    .width(100.dp)
+//                    .align(Alignment.CenterStart)
+//                    .onGloballyPositioned { leftSizeImage.value = it.size }
+//                    .clickable {
+//                        val target =
+//                            if (pagerState.currentPage == 0) models.size - 1 else pagerState.currentPage + 1
+//                        scope.launch { pagerState.animateScrollToPage(target) }
+//                    }
+//            ) {
+//                Icon(
+//                    imageVector = Icons.Outlined.ChevronLeft,
+//                    contentDescription = null,
+//                    modifier = Modifier.size(48.dp)
+//                )
+//            }
+//
+//            val rightSizeImage = remember { mutableStateOf(IntSize.Zero) }
+//            val rightGradient = Brush.horizontalGradient(
+//                colors = listOf(Color.Black, Color.Transparent),
+//                startX = leftSizeImage.value.width.toFloat(),
+//                endX = 0f
+//            )
+//            Box(
+//                modifier = Modifier
+//                    .background(brush = rightGradient)
+//                    .fillMaxHeight()
+//                    .width(100.dp)
+//                    .align(Alignment.CenterEnd)
+//                    .onGloballyPositioned { rightSizeImage.value = it.size }
+//                    .clickable {
+//                        val target =
+//                            if (pagerState.currentPage == models.size - 1) 0 else pagerState.currentPage - 1
+//                        scope.launch { pagerState.animateScrollToPage(target) }
+//                    }
+//            ) {
+//                Icon(
+//                    imageVector = Icons.Outlined.ChevronRight,
+//                    contentDescription = null,
+//                    modifier = Modifier.size(48.dp)
+//                )
+//            }
+//        }
+    }
+}

app/src/main/java/com/owenlejeune/tvtime/ui/components/Overlays.kt

@@ -0,0 +1,41 @@
+package com.owenlejeune.tvtime.ui.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.wrapContentHeight
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import com.google.accompanist.pager.ExperimentalPagerApi
+import com.google.accompanist.pager.rememberPagerState
+import com.owenlejeune.tvtime.api.tmdb.api.v3.model.ImageCollection
+import com.owenlejeune.tvtime.utils.TmdbUtils
+
+@OptIn(ExperimentalPagerApi::class)
+@Composable
+fun ImageGalleryOverlay(
+    imageCollection: ImageCollection,
+    selectedImage: Int,
+    onDismissRequest: () -> Unit
+) {
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(color = Color.Black.copy(alpha = 0.7f))
+            .clickable(onClick = onDismissRequest)
+    ) {
+        val pagerState = rememberPagerState(initialPage = selectedImage)
+        TapGallery(
+            pagerState = pagerState,
+            models = imageCollection.backdrops.map { TmdbUtils.getFullBackdropPath(it) },
+            modifier = Modifier
+                .fillMaxWidth()
+                .wrapContentHeight()
+                .align(Alignment.Center)
+        )
+    }
+}

app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/DetailViewCommon.kt

@@ -2,6 +2,7 @@ package com.owenlejeune.tvtime.ui.screens.main
 
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material3.MaterialTheme
@@ -20,6 +21,7 @@ import coil.compose.AsyncImage
 import coil.compose.rememberAsyncImagePainter
 import com.google.accompanist.pager.ExperimentalPagerApi
 import com.google.accompanist.pager.HorizontalPager
+import com.google.accompanist.pager.PagerState
 import com.google.accompanist.pager.rememberPagerState
 import com.owenlejeune.tvtime.R
 import com.owenlejeune.tvtime.api.tmdb.api.v3.model.ImageCollection
@@ -31,15 +33,18 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
+@OptIn(ExperimentalPagerApi::class)
 @Composable
 fun DetailHeader(
     modifier: Modifier = Modifier,
+    showGalleryOverlay: MutableState<Boolean>? = null,
     imageCollection: ImageCollection? = null,
     backdropUrl: String? = null,
     posterUrl: String? = null,
     backdropContentDescription: String? = null,
     posterContentDescription: String? = null,
-    rating: Float? = null
+    rating: Float? = null,
+    pagerState: PagerState? = null
 ) {
     ConstraintLayout(modifier = modifier
         .fillMaxWidth()
@@ -56,8 +61,12 @@ fun DetailHeader(
                         top.linkTo(parent.top)
                         start.linkTo(parent.start)
                         end.linkTo(parent.end)
+                    }
+                    .clickable {
+                        showGalleryOverlay?.value = true
                     },
-                imageCollection = imageCollection
+                imageCollection = imageCollection,
+                state = pagerState
             )
         } else {
             Backdrop(
@@ -148,15 +157,17 @@ private fun Backdrop(
 
 @OptIn(ExperimentalPagerApi::class)
 @Composable
-private fun BackdropGallery(
+fun BackdropGallery(
     modifier: Modifier,
-    imageCollection: ImageCollection?
+    imageCollection: ImageCollection?,
+    delayMillis: Long = 5000,
+    state: PagerState? = null
 ) {
     BackdropContainer(
         modifier = modifier
     ) { sizeImage ->
         if (imageCollection != null) {
-            val pagerState = rememberPagerState()
+            val pagerState = state ?: rememberPagerState(initialPage = 0)
             HorizontalPager(
                 count = imageCollection.backdrops.size,
                 state = pagerState,
@@ -173,10 +184,11 @@ private fun BackdropGallery(
             }
 
             // fixes an issue where using pagerState.current page breaks paging animations
+            if (delayMillis > 0) {
                 var key by remember { mutableStateOf(false) }
                 LaunchedEffect(key1 = key) {
                     launch {
-                    delay(5000)
+                        delay(delayMillis)
                         with(pagerState) {
                             val target = if (currentPage < pageCount - 1) currentPage + 1 else 0
                             animateScrollToPage(target)
@@ -187,6 +199,7 @@ private fun BackdropGallery(
             }
         }
     }
+}
 
 @Composable
 fun RatingView(

app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/MediaDetailView.kt

@@ -1,6 +1,7 @@
 package com.owenlejeune.tvtime.ui.screens.main
 
 import android.content.Context
+import android.media.MediaActionSound
 import android.widget.Toast
 import androidx.compose.animation.*
 import androidx.compose.animation.core.tween
@@ -31,6 +32,9 @@ import androidx.compose.ui.unit.DpSize
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.navigation.NavController
+import com.google.accompanist.pager.ExperimentalPagerApi
+import com.google.accompanist.pager.PagerState
+import com.google.accompanist.pager.rememberPagerState
 import com.owenlejeune.tvtime.R
 import com.owenlejeune.tvtime.api.tmdb.api.v3.AccountService
 import com.owenlejeune.tvtime.api.tmdb.api.v3.DetailService
@@ -51,16 +55,17 @@ import com.owenlejeune.tvtime.utils.TmdbUtils
 import kotlinx.coroutines.*
 import org.json.JSONObject
 import org.koin.java.KoinJavaComponent
+import org.koin.java.KoinJavaComponent.get
 import java.text.DecimalFormat
 
-@OptIn(ExperimentalMaterial3Api::class)
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalPagerApi::class)
 @Composable
 fun MediaDetailView(
     appNavController: NavController,
     itemId: Int?,
     type: MediaViewType,
     windowSize: WindowSizeClass,
-    preferences: AppPreferences = KoinJavaComponent.get(AppPreferences::class.java)
+    preferences: AppPreferences = get(AppPreferences::class.java)
 ) {
     val service = when (type) {
         MediaViewType.MOVIE -> MoviesService()
@@ -75,12 +80,25 @@ fun MediaDetailView(
         }
     }
 
+    val images = remember { mutableStateOf<ImageCollection?>(null) }
+    itemId?.let {
+        if (preferences.showBackdropGallery && images.value == null) {
+            fetchImages(itemId, service, images)
+        }
+    }
+
     val decayAnimationSpec = rememberSplineBasedDecay<Float>()
     val topAppBarScrollState = rememberTopAppBarScrollState()
     val scrollBehavior = remember(decayAnimationSpec) {
         TopAppBarDefaults.pinnedScrollBehavior(topAppBarScrollState)
     }
 
+    val pagerState = rememberPagerState(initialPage = 0)
+
+    Box(
+        modifier = Modifier.fillMaxSize()
+    ) {
+        val showGalleryOverlay = remember { mutableStateOf(false) }
         Scaffold(
             modifier = Modifier.nestedScroll(scrollBehavior.nestedScrollConnection),
             topBar = {
@@ -107,6 +125,45 @@ fun MediaDetailView(
             }
         ) { innerPadding ->
             Box(modifier = Modifier.padding(innerPadding)) {
+                MediaViewContent(
+                    appNavController = appNavController,
+                    itemId = itemId,
+                    mediaItem = mediaItem,
+                    images = images,
+                    service = service,
+                    type = type,
+                    windowSize = windowSize,
+                    showImageGallery = showGalleryOverlay,
+                    pagerState = pagerState
+                )
+            }
+        }
+
+        if (showGalleryOverlay.value) {
+            images.value?.let {
+                ImageGalleryOverlay(
+                    imageCollection = it,
+                    selectedImage = pagerState.currentPage,
+                    onDismissRequest = { showGalleryOverlay.value = false }
+                )
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalPagerApi::class)
+@Composable
+private fun MediaViewContent(
+    appNavController: NavController,
+    itemId: Int?,
+    mediaItem: MutableState<DetailedItem?>,
+    images: MutableState<ImageCollection?>,
+    service: DetailService,
+    type: MediaViewType,
+    windowSize: WindowSizeClass,
+    showImageGallery: MutableState<Boolean>,
+    pagerState: PagerState
+) {
     Row(
         modifier = Modifier
             .background(color = MaterialTheme.colorScheme.background),
@@ -119,19 +176,14 @@ fun MediaDetailView(
                 .verticalScroll(state = rememberScrollState()),
             verticalArrangement = Arrangement.spacedBy(16.dp)
         ) {
-                    val images = remember { mutableStateOf<ImageCollection?>(null) }
-                    itemId?.let {
-                        if (preferences.showBackdropGallery && images.value == null) {
-                            fetchImages(itemId, service, images)
-                        }
-                    }
-
             DetailHeader(
                 posterUrl = TmdbUtils.getFullPosterPath(mediaItem.value?.posterPath),
                 posterContentDescription = mediaItem.value?.title,
                 backdropUrl = TmdbUtils.getFullBackdropPath(mediaItem.value?.backdropPath),
                 rating = mediaItem.value?.voteAverage?.let { it / 10 },
-                        imageCollection = images.value
+                imageCollection = images.value,
+                showGalleryOverlay = showImageGallery,
+                pagerState = pagerState
             )
 
             Column(
@@ -178,8 +230,6 @@ fun MediaDetailView(
         }
     }
 }
-    }
-}
 
 @Composable
 private fun MiscTvDetails(mediaItem: MutableState<DetailedItem?>, service: TvService) {
@@ -616,6 +666,7 @@ private fun OverviewCard(
     }
 
     mediaItem.value?.let { mi ->
+        if (!mi.tagline.isNullOrEmpty() || keywordResponse.value?.keywords?.isNotEmpty() == true || !mi.overview.isNullOrEmpty()) {
             ContentCard(
                 modifier = modifier
             ) {
@@ -670,6 +721,7 @@ private fun OverviewCard(
             }
         }
     }
+}
 
 @Composable
 private fun AdditionalDetailsCard(

app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/PeopleDetailView.kt

@@ -19,6 +19,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
+import com.google.accompanist.pager.ExperimentalPagerApi
 import com.owenlejeune.tvtime.R
 import com.owenlejeune.tvtime.api.tmdb.api.v3.PeopleService
 import com.owenlejeune.tvtime.api.tmdb.api.v3.model.DetailPerson
@@ -33,7 +34,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
-@OptIn(ExperimentalMaterial3Api::class)
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalPagerApi::class)
 @Composable
 fun PersonDetailView(
     appNavController: NavController,