make fastseek work

new-player/src/main/java/net/newpipe/newplayer/NewPlayer.kt

@@ -45,7 +45,7 @@ interface NewPlayer {
     val bufferedPercentage: Int
     val repository: MediaRepository
     var currentPosition: Long
-    var fastSeekAmountSec: Long
+    var fastSeekAmountSec: Int
     var playBackMode: PlayMode
     var playList: MutableList<String>
 
@@ -54,6 +54,7 @@ interface NewPlayer {
     fun pause()
     fun fastSeekForward()
     fun fastSeekBackward()
+    fun seekTo(millisecond: Long)
     fun addToPlaylist(newItem: String)
     fun addListener(callbackListener: Listener)
 
@@ -88,7 +89,7 @@ class NewPlayerImpl(override val internal_player: Player, override val repositor
     override val duartion: Long = internal_player.duration
     override val bufferedPercentage: Int = internal_player.bufferedPercentage
     override var currentPosition: Long = internal_player.currentPosition
-    override var fastSeekAmountSec: Long = 100
+    override var fastSeekAmountSec: Int = 10
     override var playBackMode: PlayMode = PlayMode.EMBEDDED_VIDEO
     override var playList: MutableList<String> = ArrayList<String>()
 
@@ -115,11 +116,17 @@ class NewPlayerImpl(override val internal_player: Player, override val repositor
     }
 
     override fun fastSeekForward() {
-        Log.d(TAG, "not implemented fast seek forward")
+        val currentPosition = internal_player.currentPosition
+        internal_player.seekTo(currentPosition + fastSeekAmountSec * 1000)
     }
 
     override fun fastSeekBackward() {
-        Log.d(TAG, "not implemented fast seek backward")
+        val currentPosition = internal_player.currentPosition
+        internal_player.seekTo(currentPosition - fastSeekAmountSec * 1000)
+    }
+
+    override fun seekTo(millisecond: Long) {
+        internal_player.seekTo(millisecond)
     }
 
     override fun addToPlaylist(newItem: String) {

new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerUIState.kt

@@ -37,7 +37,8 @@ data class VideoPlayerUIState(
     val bufferedPercentage: Float,
     val isLoading: Boolean,
     val durationInMs: Long,
-    val playbackPositionInMs: Long
+    val playbackPositionInMs: Long,
+    val fastseekSeconds: Int,
 ) : Parcelable {
     companion object {
         val DEFAULT = VideoPlayerUIState(
@@ -52,7 +53,8 @@ data class VideoPlayerUIState(
             bufferedPercentage = 0f,
             isLoading = true,
             durationInMs = 0,
-            playbackPositionInMs = 0
+            playbackPositionInMs = 0,
+            fastseekSeconds = 10
         )
     }
 }

new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModelImpl.kt

@@ -65,6 +65,7 @@ class VideoPlayerViewModelImpl @Inject constructor(
         set(value) {
             field = value
             installExoPlayer()
+            mutableUiState.update { it.copy(fastseekSeconds = field?.fastSeekAmountSec ?: 10) }
         }
 
     override val uiState = mutableUiState.asStateFlow()
@@ -259,7 +260,7 @@ class VideoPlayerViewModelImpl @Inject constructor(
         resetHideUiDelayedJob()
         val seekerPosition = mutableUiState.value.seekerPosition
         val seekPositionInMs = (player?.duration?.toFloat() ?: 0F) * seekerPosition
-        player?.seekTo(seekPositionInMs.toLong())
+        newPlayer?.seekTo(seekPositionInMs.toLong())
         Log.i(TAG, "Seek to Ms: $seekPositionInMs")
     }
 
@@ -268,6 +269,7 @@ class VideoPlayerViewModelImpl @Inject constructor(
     }
 
     override fun fastSeekForward() {
+        mutableUiState.update { it.copy(fastseekSeconds = newPlayer?.fastSeekAmountSec ?: 10) }
         newPlayer?.fastSeekForward()
         if (mutableUiState.value.uiVisible) {
             resetHideUiDelayedJob()
@@ -275,6 +277,7 @@ class VideoPlayerViewModelImpl @Inject constructor(
     }
 
     override fun fastSeekBackward() {
+        mutableUiState.update { it.copy(fastseekSeconds = newPlayer?.fastSeekAmountSec ?: 10) }
         newPlayer?.fastSeekBackward()
         if (mutableUiState.value.uiVisible) {
             resetHideUiDelayedJob()

new-player/src/main/java/net/newpipe/newplayer/ui/VideoPlayerControllerUI.kt

@@ -62,6 +62,7 @@ fun VideoPlayerControllerUI(
     durationInMs: Long,
     playbackPositionInMs: Long,
     bufferedPercentage: Float,
+    fastSeekSeconds: Int,
     play: () -> Unit,
     pause: () -> Unit,
     prevStream: () -> Unit,
@@ -101,7 +102,8 @@ fun VideoPlayerControllerUI(
             switchToEmbeddedView = switchToEmbeddedView,
             embeddedDraggedDownBy = embeddedDraggedDownBy,
             fastSeekForward = fastSeekForward,
-            fastSeekBackward = fastSeekBackward
+            fastSeekBackward = fastSeekBackward,
+            fastSeekSeconds = fastSeekSeconds
         )
     }
 
@@ -136,7 +138,8 @@ fun VideoPlayerControllerUI(
             switchToEmbeddedView = switchToEmbeddedView,
             embeddedDraggedDownBy = embeddedDraggedDownBy,
             fastSeekForward = fastSeekForward,
-            fastSeekBackward = fastSeekBackward
+            fastSeekBackward = fastSeekBackward,
+            fastSeekSeconds = fastSeekSeconds
         )
 
         Box(modifier = Modifier.fillMaxSize()) {
@@ -219,6 +222,7 @@ fun VideoPlayerControllerUIPreviewEmbedded() {
                 durationInMs = 9*60*1000,
                 playbackPositionInMs = 6*60*1000,
                 bufferedPercentage = 0.4f,
+                fastSeekSeconds = 10,
                 play = {},
                 pause = {},
                 prevStream = {},
@@ -249,6 +253,7 @@ fun VideoPlayerControllerUIPreviewLandscape() {
                 durationInMs = 9*60*1000,
                 playbackPositionInMs = 6*60*1000,
                 bufferedPercentage = 0.4f,
+                fastSeekSeconds = 10,
                 play = {},
                 pause = {},
                 prevStream = {},
@@ -280,6 +285,7 @@ fun VideoPlayerControllerUIPreviewPortrait() {
                 durationInMs = 9*60*1000,
                 playbackPositionInMs = 6*60*1000,
                 bufferedPercentage = 0.4f,
+                fastSeekSeconds = 10,
                 play = {},
                 pause = {},
                 prevStream = {},

new-player/src/main/java/net/newpipe/newplayer/ui/VideoPlayerLoadingPlaceholder.kt

@@ -10,6 +10,7 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.width
+import androidx.compose.material3.Icon
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
@@ -30,6 +31,7 @@ fun VideoPlayerLoadingPlaceholder(aspectRatio: Float = 3F / 1F) {
                 .height(64.dp)
                 .align((Alignment.Center)))
         }
+
     }
 }
 

new-player/src/main/java/net/newpipe/newplayer/ui/VideoPlayerUI.kt

@@ -152,6 +152,7 @@ fun VideoPlayerUI(
                 durationInMs = uiState.durationInMs,
                 playbackPositionInMs = uiState.playbackPositionInMs,
                 bufferedPercentage = uiState.bufferedPercentage,
+                fastSeekSeconds = uiState.fastseekSeconds,
                 play = viewModel::play,
                 pause = viewModel::pause,
                 prevStream = viewModel::prevStream,

new-player/src/main/java/net/newpipe/newplayer/ui/theme/Color.kt

@@ -83,6 +83,7 @@ fun VideoPlayerControllerUIPreviewEmbeddedColorPreview() {
                 durationInMs = 9*60*1000,
                 playbackPositionInMs = 6*60*1000,
                 bufferedPercentage = 0.4f,
+                fastSeekSeconds = 10,
                 play = {},
                 pause = {},
                 prevStream = {},

new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/GestureUI.kt

@@ -22,23 +22,43 @@ package net.newpipe.newplayer.ui.videoplayer
 
 import android.util.Log
 import android.view.MotionEvent
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.animateColor
+import androidx.compose.animation.core.LinearEasing
+import androidx.compose.animation.core.RepeatMode
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.keyframes
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
 import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material3.Icon
 import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 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.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.scale
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.input.pointer.pointerInteropFilter
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.tooling.preview.Preview
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import net.newpipe.newplayer.R
+import net.newpipe.newplayer.ui.theme.VideoPlayerTheme
 
 private const val TAG = "TouchUi"
 
@@ -47,7 +67,10 @@ private data class TouchedPosition(val x: Float, val y: Float) {
 }
 
 const val DELAY_UNTIL_SHOWING_UI_AFTER_TOUCH_IN_MS: Long = 200
-
+const val SEEK_ANIMATION_DURATION_IN_MS = 400
+const val SEEK_ANIMATION_VISSIBLE_IN_MS = 500L
+const val SEEK_ANIMATION_FADE_IN = 200
+const val SEEK_ANIMATION_FADE_OUT = 500
 
 @Composable
 fun GestureUI(
@@ -56,6 +79,7 @@ fun GestureUI(
     showUi: () -> Unit,
     uiVissible: Boolean,
     fullscreen: Boolean,
+    fastSeekSeconds: Int,
     switchToFullscreen: () -> Unit,
     switchToEmbeddedView: () -> Unit,
     embeddedDraggedDownBy: (Float) -> Unit,
@@ -70,14 +94,53 @@ fun GestureUI(
         }
     }
 
+    var showFastSeekBack by remember {
+        mutableStateOf(false)
+    }
+
+    var showFastSeekForward by remember {
+        mutableStateOf(false)
+    }
+
+    val composeScope = rememberCoroutineScope()
+
+    val doForwardSeek = {
+        showFastSeekForward = true
+        composeScope.launch {
+            delay(SEEK_ANIMATION_VISSIBLE_IN_MS)
+            showFastSeekForward = false
+        }
+        fastSeekForward()
+    }
+
+    val doBackwardSeek = {
+        showFastSeekBack = true
+        composeScope.launch {
+            delay(SEEK_ANIMATION_VISSIBLE_IN_MS)
+            showFastSeekBack = false
+        }
+        fastSeekBackward()
+    }
+
+
     if (fullscreen) {
         Row(modifier = modifier) {
             TouchSurface(
                 modifier = Modifier
                     .weight(1f),
                 onRegularTap = defaultOnRegularTap,
-                onDoubleTab = fastSeekBackward
+                onDoubleTab = doBackwardSeek
-            )
+            ) {
+                FadedAnimationForSeekFeedback(visible = showFastSeekBack) {
+                    Box(modifier = Modifier.fillMaxSize()) {
+                        FastSeekVisualFeedback(
+                            seconds = fastSeekSeconds,
+                            backwards = true,
+                            modifier = Modifier.align(Alignment.CenterEnd)
+                        )
+                    }
+                }
+            }
             TouchSurface(
                 modifier = Modifier
                     .weight(1f),
@@ -92,8 +155,18 @@ fun GestureUI(
                 modifier = Modifier
                     .weight(1f),
                 onRegularTap = defaultOnRegularTap,
-                onDoubleTab = fastSeekForward
+                onDoubleTab = doForwardSeek
-            )
+            ) {
+                FadedAnimationForSeekFeedback(visible = showFastSeekForward) {
+                    Box(modifier = Modifier.fillMaxSize()) {
+                        FastSeekVisualFeedback(
+                            modifier = Modifier.align(Alignment.CenterStart),
+                            seconds = fastSeekSeconds,
+                            backwards = false
+                        )
+                    }
+                }
+            }
         }
     } else { // (!fullscreen)
         val handleDownwardMovement = { movement: TouchedPosition ->
@@ -109,21 +182,52 @@ fun GestureUI(
             TouchSurface(
                 modifier = Modifier
                     .weight(1f),
-                onDoubleTab = fastSeekBackward,
+                onDoubleTab = doBackwardSeek,
                 onRegularTap = defaultOnRegularTap,
                 onMovement = handleDownwardMovement
-            )
+            ) {
+                FadedAnimationForSeekFeedback(visible = showFastSeekBack) {
+                    Box(modifier = Modifier.fillMaxSize()) {
+                        FastSeekVisualFeedback(
+                            modifier = Modifier.align(Alignment.Center),
+                            seconds = fastSeekSeconds,
+                            backwards = true
+                        )
+                    }
+                }
+            }
             TouchSurface(
                 modifier = Modifier
                     .weight(1f),
-                onDoubleTab = fastSeekForward,
+                onDoubleTab = doForwardSeek,
                 onRegularTap = defaultOnRegularTap,
                 onMovement = handleDownwardMovement
-            )
+            ) {
+                FadedAnimationForSeekFeedback(visible = showFastSeekForward) {
+                    Box(modifier = Modifier.fillMaxSize()) {
+                        FastSeekVisualFeedback(
+                            modifier = Modifier.align(Alignment.Center),
+                            seconds = fastSeekSeconds,
+                            backwards = false
+                        )
+                    }
+                }
+            }
         }
     }
 }
 
+@Composable
+fun FadedAnimationForSeekFeedback(visible: Boolean, content: @Composable () -> Unit) {
+    AnimatedVisibility(
+        visible = visible,
+        enter = fadeIn(animationSpec = tween(SEEK_ANIMATION_FADE_IN)),
+        exit = fadeOut(animationSpec = tween(SEEK_ANIMATION_FADE_OUT))
+    ) {
+        content()
+    }
+}
+
 @Composable
 @OptIn(ExperimentalComposeUiApi::class)
 private fun TouchSurface(
@@ -131,7 +235,8 @@ private fun TouchSurface(
     color: Color = Color.Transparent,
     onDoubleTab: () -> Unit = {},
     onRegularTap: () -> Unit = {},
-    onMovement: (TouchedPosition) -> Unit = {}
+    onMovement: (TouchedPosition) -> Unit = {},
+    content: @Composable () -> Unit = {}
 ) {
     var moveOccured by remember {
         mutableStateOf(false)
@@ -194,6 +299,169 @@ private fun TouchSurface(
             else -> false
         }
     }) {
+        content()
         Surface(color = color, modifier = Modifier.fillMaxSize()) {}
     }
+}
+
+@Composable
+fun FastSeekVisualFeedback(modifier: Modifier = Modifier, seconds: Int, backwards: Boolean) {
+
+    val contentDescription = String.format(
+        if (backwards) {
+            "Fast seeking backward by %d seconds."
+            //stringResource(id = R.string.fast_seeking_backward)
+        } else {
+            "Fast seeking forward by %d seconds."
+            //stringResource(id = R.string.fast_seeking_forward)
+        }, seconds
+    )
+
+    val infiniteTransition = rememberInfiniteTransition()
+
+    val animatedColor1 by infiniteTransition.animateColor(
+        initialValue = Color.White,
+        targetValue = Color.Transparent,
+        animationSpec = infiniteRepeatable(
+            animation = keyframes {
+                durationMillis = SEEK_ANIMATION_DURATION_IN_MS
+                Color.White.copy(alpha = 1f) at 0 with LinearEasing
+                Color.White.copy(alpha = 0f) at SEEK_ANIMATION_DURATION_IN_MS with LinearEasing
+            },
+            repeatMode = RepeatMode.Restart
+        ), label = "Arrow1 animation"
+    )
+
+    val animatedColor2 by infiniteTransition.animateColor(
+        initialValue = Color.White,
+        targetValue = Color.Transparent,
+        animationSpec = infiniteRepeatable(
+            animation = keyframes {
+                durationMillis = SEEK_ANIMATION_DURATION_IN_MS
+                Color.White.copy(alpha = 1f / 3f) at 0 with LinearEasing
+                Color.White.copy(alpha = 0f) at SEEK_ANIMATION_DURATION_IN_MS / 3 with LinearEasing
+                Color.White.copy(alpha = 1f) at SEEK_ANIMATION_DURATION_IN_MS / 3 + 1 with LinearEasing
+                Color.White.copy(alpha = 2f / 3f) at SEEK_ANIMATION_DURATION_IN_MS with LinearEasing
+            },
+            repeatMode = RepeatMode.Restart
+        ), label = "Arrow2 animation"
+    )
+
+    val animatedColor3 by infiniteTransition.animateColor(
+        initialValue = Color.White,
+        targetValue = Color.Transparent,
+        animationSpec = infiniteRepeatable(
+            animation = keyframes {
+                durationMillis = SEEK_ANIMATION_DURATION_IN_MS
+                Color.White.copy(alpha = 2f / 3f) at 0 with LinearEasing
+                Color.White.copy(alpha = 0f) at 2 * SEEK_ANIMATION_DURATION_IN_MS / 3 with LinearEasing
+                Color.White.copy(alpha = 1f) at 2 * SEEK_ANIMATION_DURATION_IN_MS / 3 + 1 with LinearEasing
+                Color.White.copy(alpha = 2f / 3f) at SEEK_ANIMATION_DURATION_IN_MS with LinearEasing
+            },
+            repeatMode = RepeatMode.Restart
+        ), label = "Arrow3 animation"
+    )
+
+
+    //val secondsString = stringResource(id = R.string.seconds)
+    val secondsString = "Seconds"
+
+    Column(modifier = modifier, horizontalAlignment = Alignment.CenterHorizontally) {
+        Row {
+            SeekerIcon(
+                backwards = backwards,
+                description = contentDescription,
+                color = if (backwards) animatedColor3 else animatedColor1
+            )
+            SeekerIcon(
+                backwards = backwards,
+                description = contentDescription,
+                color = animatedColor2
+            )
+            SeekerIcon(
+                backwards = backwards,
+                description = contentDescription,
+                color = if (backwards) animatedColor1 else animatedColor3
+            )
+        }
+        Text(text = "$seconds $secondsString")
+    }
+
+}
+
+
+@Composable
+fun SeekerIcon(backwards: Boolean, description: String, color: Color) {
+    Icon(
+        modifier = if (backwards) {
+            Modifier.scale(-1f, 1f)
+        } else {
+            Modifier
+        },
+        tint = color,
+        painter = painterResource(id = R.drawable.ic_play_seek_triangle),
+        contentDescription = description
+    )
+}
+
+@Preview(device = "spec:width=1080px,height=600px,dpi=440,orientation=landscape")
+@Composable
+fun FullscreenGestureUIPreview() {
+    VideoPlayerTheme {
+        Surface(modifier = Modifier.wrapContentSize(), color = Color.Black) {
+            GestureUI(
+                modifier = Modifier,
+                hideUi = { },
+                showUi = { },
+                uiVissible = false,
+                fullscreen = true,
+                fastSeekSeconds = 10,
+                switchToFullscreen = { println("switch to fullscreen") },
+                switchToEmbeddedView = { println("switch to embedded") },
+                embeddedDraggedDownBy = { println("embedded dragged down") },
+                fastSeekBackward = { println("fast seek backward") },
+                fastSeekForward = { println("fast seek forward") })
+        }
+    }
+}
+
+@Preview(device = "spec:width=600px,height=400px,dpi=440,orientation=landscape")
+@Composable
+fun EmbeddedGestureUIPreview() {
+    VideoPlayerTheme {
+        Surface(modifier = Modifier.wrapContentSize(), color = Color.Black) {
+            GestureUI(
+                modifier = Modifier,
+                hideUi = { },
+                showUi = { },
+                uiVissible = false,
+                fullscreen = false,
+                fastSeekSeconds = 10,
+                switchToFullscreen = { println("switch to fullscreen") },
+                switchToEmbeddedView = { println("switch to embedded") },
+                embeddedDraggedDownBy = { println("embedded dragged down") },
+                fastSeekBackward = { println("fast seek backward") },
+                fastSeekForward = { println("fast seek forward") })
+        }
+    }
+}
+
+@Preview(device = "spec:width=1080px,height=600px,dpi=440,orientation=landscape")
+@Composable
+fun FastSeekVisualFeedbackPreviewBackwards() {
+    VideoPlayerTheme {
+        Surface(modifier = Modifier.wrapContentSize(), color = Color.Black) {
+            FastSeekVisualFeedback(seconds = 10, backwards = true)
+        }
+    }
+}
+
+@Preview(device = "spec:width=1080px,height=600px,dpi=440,orientation=landscape")
+@Composable
+fun FastSeekVisualFeedbackPreview() {
+    VideoPlayerTheme {
+        Surface(modifier = Modifier.wrapContentSize(), color = Color.Black) {
+            FastSeekVisualFeedback(seconds = 10, backwards = false)
+        }
+    }
 }

new-player/src/main/res/values/strings.xml

@@ -35,4 +35,7 @@
     <string name="widget_description_toggle_fullscreen">Toggle fullscreen</string>
     <string name="widget_description_chapter_selection">Chapter selection</string>
     <string name="widget_descriptoin_playlist_item_selection">Playlist item selection</string>
+    <string name="fast_seeking_backward">Fast seeking backward by %d seconds.</string>
+    <string name="fast_seeking_forward">Fast seeking forward by %d seconds.</string>
+    <string name="seconds">Seconds</string>
 </resources>