integrate custom controls for player

uniform UI/UX and topbar visibility state is not detached from controls visibility

composeApp/src/commonMain/kotlin/com/nuvio/app/features/details/components/TrailerPlayer.kt

@@ -5,24 +5,31 @@ import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
-import androidx.compose.foundation.gestures.awaitEachGesture
-import androidx.compose.foundation.gestures.awaitFirstDown
+import androidx.compose.foundation.gestures.detectTapGestures
 import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.BoxWithConstraints
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.border
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.rounded.Close
+import androidx.compose.material.icons.rounded.Forward10
+import androidx.compose.material.icons.rounded.Pause
+import androidx.compose.material.icons.rounded.PlayArrow
+import androidx.compose.material.icons.rounded.Replay10
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Slider
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
@@ -35,10 +42,11 @@ 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.input.pointer.PointerEventPass
+import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
@@ -46,17 +54,25 @@ import com.nuvio.app.core.ui.PlatformBackHandler
 import com.nuvio.app.features.player.EnterImmersivePlayerMode
 import com.nuvio.app.features.player.LockPlayerToLandscape
 import com.nuvio.app.features.player.PlatformPlayerSurface
+import com.nuvio.app.features.player.PlayerEngineController
+import com.nuvio.app.features.player.PlayerLayoutMetrics
+import com.nuvio.app.features.player.PlayerPlaybackSnapshot
 import com.nuvio.app.features.player.PlayerResizeMode
+import com.nuvio.app.features.player.formatPlaybackTime
+import com.nuvio.app.features.player.playerHorizontalSafePadding
 import com.nuvio.app.features.trailer.TrailerPlaybackSource
 import kotlinx.coroutines.delay
 import nuvio.composeapp.generated.resources.Res
 import nuvio.composeapp.generated.resources.action_retry
+import nuvio.composeapp.generated.resources.compose_player_seek_back_10
+import nuvio.composeapp.generated.resources.compose_player_seek_forward_10
 import nuvio.composeapp.generated.resources.detail_tab_trailer
 import nuvio.composeapp.generated.resources.trailer_close
 import nuvio.composeapp.generated.resources.trailer_unable_to_play
 import org.jetbrains.compose.resources.stringResource
 
 private const val TrailerControlsAutoHideMs = 3500L
+private const val TrailerSeekStepMs = 10_000L
 
 @Composable
 fun TrailerPlayer(
@@ -125,26 +141,34 @@ private fun FullscreenTrailerPlayerContent(
     }
     val activeError = errorMessage ?: playerError
 
+    var playerController by remember(playbackSource?.videoUrl) {
+        mutableStateOf<PlayerEngineController?>(null)
+    }
+    var playbackSnapshot by remember(playbackSource?.videoUrl) {
+        mutableStateOf(PlayerPlaybackSnapshot())
+    }
+    var scrubbingPositionMs by remember(playbackSource?.videoUrl) {
+        mutableStateOf<Long?>(null)
+    }
+    val displayedPositionMs = scrubbingPositionMs ?: playbackSnapshot.positionMs
+
     var controlsVisible by remember { mutableStateOf(false) }
-    LaunchedEffect(controlsVisible, isLoading, activeError, playbackSource) {
-        if (!controlsVisible || isLoading || activeError != null || playbackSource == null) {
+    LaunchedEffect(controlsVisible, playbackSnapshot.isPlaying, isLoading, activeError, playbackSource) {
+        if (!controlsVisible || !playbackSnapshot.isPlaying || isLoading || activeError != null || playbackSource == null) {
             return@LaunchedEffect
         }
         delay(TrailerControlsAutoHideMs)
         controlsVisible = false
     }
 
-    Box(
+    BoxWithConstraints(
         modifier = Modifier
             .fillMaxSize()
-            .background(Color.Black)
-            .pointerInput(Unit) {
-                awaitEachGesture {
-                    awaitFirstDown(requireUnconsumed = false, pass = PointerEventPass.Initial)
-                    controlsVisible = !controlsVisible
-                }
-            },
+            .background(Color.Black),
     ) {
+        val metrics = remember(maxWidth) { PlayerLayoutMetrics.fromWidth(maxWidth) }
+        val horizontalSafePadding = playerHorizontalSafePadding()
+
         when {
             isLoading -> {
                 CircularProgressIndicator(
@@ -182,18 +206,32 @@ private fun FullscreenTrailerPlayerContent(
             }
 
             playbackSource != null -> {
-                PlatformPlayerSurface(
-                    sourceUrl = playbackSource.videoUrl,
-                    sourceAudioUrl = playbackSource.audioUrl,
-                    useYoutubeChunkedPlayback = true,
-                    modifier = Modifier.fillMaxSize(),
-                    playWhenReady = true,
-                    resizeMode = PlayerResizeMode.Fit,
-                    useNativeController = true,
-                    onControllerReady = {},
-                    onSnapshot = {},
-                    onError = { playerError = it },
-                )
+                Box(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .pointerInput(Unit) {
+                            detectTapGestures(onTap = { controlsVisible = !controlsVisible })
+                        },
+                ) {
+                    PlatformPlayerSurface(
+                        sourceUrl = playbackSource.videoUrl,
+                        sourceAudioUrl = playbackSource.audioUrl,
+                        useYoutubeChunkedPlayback = true,
+                        modifier = Modifier.fillMaxSize(),
+                        playWhenReady = true,
+                        resizeMode = PlayerResizeMode.Fit,
+                        useNativeController = false,
+                        onControllerReady = { playerController = it },
+                        onSnapshot = { playbackSnapshot = it },
+                        onError = { playerError = it },
+                    )
+                }
+                if (playbackSnapshot.isLoading) {
+                    CircularProgressIndicator(
+                        color = Color.White,
+                        modifier = Modifier.align(Alignment.Center),
+                    )
+                }
             }
         }
 
@@ -201,25 +239,100 @@ private fun FullscreenTrailerPlayerContent(
             visible = controlsVisible || isLoading || activeError != null,
             enter = fadeIn(),
             exit = fadeOut(),
-            modifier = Modifier.align(Alignment.TopStart),
+            modifier = Modifier.fillMaxSize(),
         ) {
-            TrailerTopBar(
+            ControlsOverlay(
                 title = headerType,
                 subtitle = headerSubtitle,
+                playbackSnapshot = playbackSnapshot,
+                displayedPositionMs = displayedPositionMs,
+                metrics = metrics,
+                horizontalSafePadding = horizontalSafePadding,
+                hasPlaybackSurface = playbackSource != null && activeError == null,
                 onClose = onDismiss,
+                onTogglePlayback = {
+                    val controller = playerController ?: return@ControlsOverlay
+                    if (playbackSnapshot.isPlaying) controller.pause() else controller.play()
+                },
+                onSeekBack = { playerController?.seekBy(-TrailerSeekStepMs) },
+                onSeekForward = { playerController?.seekBy(TrailerSeekStepMs) },
+                onScrubChange = { scrubbingPositionMs = it },
+                onScrubFinished = {
+                    val controller = playerController
+                    val target = scrubbingPositionMs
+                    scrubbingPositionMs = null
+                    if (controller != null && target != null) {
+                        controller.seekTo(target)
+                    }
+                },
             )
         }
     }
 }
 
 @Composable
-private fun TrailerTopBar(
+private fun ControlsOverlay(
+    title: String,
+    subtitle: String,
+    playbackSnapshot: PlayerPlaybackSnapshot,
+    displayedPositionMs: Long,
+    metrics: PlayerLayoutMetrics,
+    horizontalSafePadding: Dp,
+    hasPlaybackSurface: Boolean,
+    onClose: () -> Unit,
+    onTogglePlayback: () -> Unit,
+    onSeekBack: () -> Unit,
+    onSeekForward: () -> Unit,
+    onScrubChange: (Long) -> Unit,
+    onScrubFinished: () -> Unit,
+) {
+    Box(modifier = Modifier.fillMaxSize()) {
+        TopBar(
+            title = title,
+            subtitle = subtitle,
+            onClose = onClose,
+            modifier = Modifier
+                .align(Alignment.TopStart)
+                .padding(horizontal = horizontalSafePadding),
+        )
+
+        if (hasPlaybackSurface) {
+            CenterControls(
+                snapshot = playbackSnapshot,
+                metrics = metrics,
+                onSeekBack = onSeekBack,
+                onSeekForward = onSeekForward,
+                onTogglePlayback = onTogglePlayback,
+                modifier = Modifier
+                    .align(Alignment.Center)
+                    .padding(bottom = metrics.centerLift),
+            )
+
+            ProgressBar(
+                playbackSnapshot = playbackSnapshot,
+                displayedPositionMs = displayedPositionMs,
+                metrics = metrics,
+                onScrubChange = onScrubChange,
+                onScrubFinished = onScrubFinished,
+                modifier = Modifier
+                    .align(Alignment.BottomCenter)
+                    .fillMaxWidth()
+                    .padding(horizontal = horizontalSafePadding + metrics.horizontalPadding)
+                    .padding(bottom = metrics.sliderBottomOffset),
+            )
+        }
+    }
+}
+
+@Composable
+private fun TopBar(
     title: String,
     subtitle: String,
     onClose: () -> Unit,
+    modifier: Modifier = Modifier,
 ) {
     Row(
-        modifier = Modifier
+        modifier = modifier
             .fillMaxWidth()
             .background(
                 Color.Black.copy(alpha = 0.55f),
@@ -271,3 +384,151 @@ private fun TrailerTopBar(
         }
     }
 }
+
+@Composable
+private fun ProgressBar(
+    playbackSnapshot: PlayerPlaybackSnapshot,
+    displayedPositionMs: Long,
+    metrics: PlayerLayoutMetrics,
+    onScrubChange: (Long) -> Unit,
+    onScrubFinished: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    val durationMs = playbackSnapshot.durationMs.coerceAtLeast(1L)
+    val clampedPosition = displayedPositionMs.coerceIn(0L, durationMs)
+    Column(modifier = modifier) {
+        Slider(
+            modifier = Modifier
+                .fillMaxWidth()
+                .height(metrics.sliderTouchHeight)
+                .graphicsLayer(scaleY = metrics.sliderScaleY),
+            value = clampedPosition.toFloat(),
+            onValueChange = { onScrubChange(it.toLong()) },
+            onValueChangeFinished = onScrubFinished,
+            valueRange = 0f..durationMs.toFloat(),
+        )
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 14.dp)
+                .padding(top = 4.dp, bottom = 8.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+            TimePill(text = formatPlaybackTime(clampedPosition), fontSize = metrics.timeSize)
+            TimePill(text = formatPlaybackTime(durationMs), fontSize = metrics.timeSize)
+        }
+    }
+}
+
+@Composable
+private fun CenterControls(
+    snapshot: PlayerPlaybackSnapshot,
+    metrics: PlayerLayoutMetrics,
+    onSeekBack: () -> Unit,
+    onSeekForward: () -> Unit,
+    onTogglePlayback: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    Row(
+        modifier = modifier,
+        horizontalArrangement = Arrangement.spacedBy(metrics.centerGap),
+        verticalAlignment = Alignment.CenterVertically,
+    ) {
+        SideControlButton(
+            icon = Icons.Rounded.Replay10,
+            contentDescription = stringResource(Res.string.compose_player_seek_back_10),
+            metrics = metrics,
+            onClick = onSeekBack,
+        )
+        PlayPauseControlButton(
+            isPlaying = snapshot.isPlaying,
+            isBuffering = snapshot.isLoading,
+            metrics = metrics,
+            onClick = onTogglePlayback,
+        )
+        SideControlButton(
+            icon = Icons.Rounded.Forward10,
+            contentDescription = stringResource(Res.string.compose_player_seek_forward_10),
+            metrics = metrics,
+            onClick = onSeekForward,
+        )
+    }
+}
+
+@Composable
+private fun SideControlButton(
+    icon: androidx.compose.ui.graphics.vector.ImageVector,
+    contentDescription: String?,
+    metrics: PlayerLayoutMetrics,
+    onClick: () -> Unit,
+) {
+    Box(
+        modifier = Modifier
+            .clip(CircleShape)
+            .clickable(onClick = onClick)
+            .padding(metrics.sideButtonPadding),
+        contentAlignment = Alignment.Center,
+    ) {
+        Icon(
+            imageVector = icon,
+            contentDescription = contentDescription,
+            tint = Color.White,
+            modifier = Modifier.size(metrics.sideIconSize),
+        )
+    }
+}
+
+@Composable
+private fun PlayPauseControlButton(
+    isPlaying: Boolean,
+    isBuffering: Boolean,
+    metrics: PlayerLayoutMetrics,
+    onClick: () -> Unit,
+) {
+    Box(
+        modifier = Modifier
+            .clip(CircleShape)
+            .clickable(onClick = onClick)
+            .padding(metrics.playButtonPadding),
+        contentAlignment = Alignment.Center,
+    ) {
+        if (isBuffering) {
+            CircularProgressIndicator(
+                color = Color.White,
+                strokeWidth = 3.dp,
+                modifier = Modifier.size(metrics.playIconSize),
+            )
+        } else {
+            Icon(
+                imageVector = if (isPlaying) Icons.Rounded.Pause else Icons.Rounded.PlayArrow,
+                contentDescription = null,
+                tint = Color.White,
+                modifier = Modifier.size(metrics.playIconSize),
+            )
+        }
+    }
+}
+
+@Composable
+private fun TimePill(
+    text: String,
+    fontSize: androidx.compose.ui.unit.TextUnit,
+) {
+    Box(
+        modifier = Modifier
+            .clip(RoundedCornerShape(12.dp))
+            .background(Color.Black.copy(alpha = 0.5f))
+            .border(1.dp, Color.White.copy(alpha = 0.2f), RoundedCornerShape(12.dp))
+            .padding(horizontal = 10.dp, vertical = 4.dp),
+    ) {
+        Text(
+            text = text,
+            style = MaterialTheme.typography.labelSmall.copy(
+                fontSize = fontSize,
+                fontWeight = FontWeight.Medium,
+            ),
+            color = Color.White,
+        )
+    }
+}