From 8ed25f5039dc56c5de10d52f442d573024e9844b Mon Sep 17 00:00:00 2001
From: Christian Schabesberger <chris.schabesberger@mailbox.org>
Date: Tue, 3 Sep 2024 12:48:16 +0200
Subject: [PATCH] make playlist items draggable

---
 .idea/deploymentTargetSelector.xml            |   2 +-
 gradle/libs.versions.toml                     |   2 +
 new-player/build.gradle.kts                   |   1 +
 .../java/net/newpipe/newplayer/NewPlayer.kt   |  37 ++--
 .../newplayer/model/VideoPlayerViewModel.kt   |   2 +
 .../model/VideoPlayerViewModelImpl.kt         |  12 +-
 .../model/ViewoPlayerViewModelDummy.kt        |  10 +-
 .../newplayer/playerInternals/PlayList.kt     | 162 ------------------
 .../newplayer/playerInternals/PlayListItem.kt |  24 ++-
 .../ui/videoplayer/StreamSelectUI.kt          | 114 +++++++-----
 .../ui/videoplayer/streamselect/StreamItem.kt |  87 ++++------
 11 files changed, 172 insertions(+), 281 deletions(-)
 delete mode 100644 new-player/src/main/java/net/newpipe/newplayer/playerInternals/PlayList.kt

diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
index 812da5e..6baa15a 100644
--- a/.idea/deploymentTargetSelector.xml
+++ b/.idea/deploymentTargetSelector.xml
@@ -4,7 +4,7 @@
     <selectionStates>
       <SelectionState runConfigName="TestApp">
         <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2024-07-23T15:40:12.466915691Z">
+        <DropdownSelection timestamp="2024-09-02T13:31:45.216735120Z">
           <Target type="DEFAULT_BOOT">
             <handle>
               <DeviceId pluginId="PhysicalDevice" identifier="serial=981f7af2" />
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 79c6dda..a2c1392 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -43,6 +43,7 @@ kotlinParcelize = "2.0.20-Beta2"
 newplayer = "master-SNAPSHOT"
 okhttpAndroid = "5.0.0-alpha.14"
 coil = "2.7.0"
+reorderable = "2.4.0-alpha02"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -77,6 +78,7 @@ androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit
 newplayer = { group = "com.github.theScrabi.NewPlayer", name = "new-player", version.ref = "newplayer" }
 okhttp-android = { group = "com.squareup.okhttp3", name = "okhttp-android", version.ref = "okhttpAndroid" }
 coil-compose = { group = "io.coil-kt", name = "coil-compose", version.ref = "coil" }
+reorderable = { group = "sh.calvin.reorderable", name = "reorderable", version.ref = "reorderable" }
 
 
 
diff --git a/new-player/build.gradle.kts b/new-player/build.gradle.kts
index da7d33d..65288de 100644
--- a/new-player/build.gradle.kts
+++ b/new-player/build.gradle.kts
@@ -67,6 +67,7 @@ dependencies {
     implementation(libs.androidx.hilt.navigation.compose)
     implementation(libs.androidx.media3.common)
     implementation(libs.coil.compose)
+    implementation(libs.reorderable)
 
     ksp(libs.hilt.android.compiler)
     ksp(libs.androidx.hilt.compiler)
diff --git a/new-player/src/main/java/net/newpipe/newplayer/NewPlayer.kt b/new-player/src/main/java/net/newpipe/newplayer/NewPlayer.kt
index 429a0c4..ef03bc0 100644
--- a/new-player/src/main/java/net/newpipe/newplayer/NewPlayer.kt
+++ b/new-player/src/main/java/net/newpipe/newplayer/NewPlayer.kt
@@ -23,7 +23,6 @@ package net.newpipe.newplayer
 import android.app.Application
 import android.util.Log
 import androidx.media3.common.MediaItem
-import androidx.media3.common.MediaMetadata
 import androidx.media3.common.PlaybackException
 import androidx.media3.common.Player
 import androidx.media3.common.Timeline
@@ -40,10 +39,11 @@ import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
-import net.newpipe.newplayer.playerInternals.PlayList
 import net.newpipe.newplayer.playerInternals.PlaylistItem
-import net.newpipe.newplayer.playerInternals.getPlaylistItemsFromItemList
+import net.newpipe.newplayer.playerInternals.getPlaylistItemsFromExoplayer
+import net.newpipe.newplayer.utils.Thumbnail
 import kotlin.Exception
+import kotlin.random.Random
 
 enum class PlayMode {
     EMBEDDED_VIDEO,
@@ -69,8 +69,7 @@ interface NewPlayer {
     var playBackMode: PlayMode
     var playMode: StateFlow<PlayMode?>
 
-    val playlist: PlayList
-    val playlistInPlaylistItems: StateFlow<List<PlaylistItem>>
+    val playlist: StateFlow<List<PlaylistItem>>
 
     // callbacks
 
@@ -82,6 +81,8 @@ interface NewPlayer {
     fun play()
     fun pause()
     fun addToPlaylist(item: String)
+    fun movePlaylistItem(fromIndex: Int, toIndex: Int)
+    fun removePlaylistItem(index: Int)
     fun playStream(item: String, playMode: PlayMode)
     fun playStream(item: String, streamVariant: String, playMode: PlayMode)
     fun setPlayMode(playMode: PlayMode)
@@ -131,6 +132,8 @@ class NewPlayerImpl(
     override val sharingLinkWithOffsetPossible: Boolean
 ) : NewPlayer {
 
+    private var uniqueIdToIdLookup = HashMap<Long, String>()
+
     var mutableErrorFlow = MutableSharedFlow<Exception>()
     override val errorFlow = mutableErrorFlow.asSharedFlow()
 
@@ -165,11 +168,9 @@ class NewPlayerImpl(
     override val duration: Long
         get() = internalPlayer.duration
 
-    override val playlist = PlayList(internalPlayer)
-
-    val mutablePlaylistAsPlaylistItems = MutableStateFlow<List<PlaylistItem>>(emptyList())
-    override val playlistInPlaylistItems: StateFlow<List<PlaylistItem>> =
-        mutablePlaylistAsPlaylistItems.asStateFlow()
+    val mutablePlaylist = MutableStateFlow<List<PlaylistItem>>(emptyList())
+    override val playlist: StateFlow<List<PlaylistItem>> =
+        mutablePlaylist.asStateFlow()
 
     init {
         println("gurken init")
@@ -202,13 +203,13 @@ class NewPlayerImpl(
 
     private fun updatePlaylistItems() {
         playerScope.launch {
-            val playlist = getPlaylistItemsFromItemList(playlist, repository)
+            val playlist = getPlaylistItemsFromExoplayer(internalPlayer, repository, uniqueIdToIdLookup)
             var playlistDuration = 0
             for (item in playlist) {
                 playlistDuration += item.lengthInS
             }
 
-            mutablePlaylistAsPlaylistItems.update {
+            mutablePlaylist.update {
                 playlist
             }
         }
@@ -237,6 +238,14 @@ class NewPlayerImpl(
         }
     }
 
+    override fun movePlaylistItem(fromIndex: Int, toIndex: Int) {
+        internalPlayer.moveMediaItem(fromIndex, toIndex)
+    }
+
+    override fun removePlaylistItem(index: Int) {
+        internalPlayer.removeMediaItem(index)
+    }
+
     override fun playStream(item: String, playMode: PlayMode) {
         launchJobAndCollectError {
             val mediaItem = toMediaItem(item)
@@ -266,7 +275,9 @@ class NewPlayerImpl(
 
     private suspend fun toMediaItem(item: String, streamVariant: String): MediaItem {
         val dataStream = repository.getStream(item, streamVariant)
-        val mediaItem = MediaItem.Builder().setMediaId(item).setUri(dataStream)
+        val uniqueId = Random.nextLong()
+        uniqueIdToIdLookup.set(uniqueId, item)
+        val mediaItem = MediaItem.Builder().setMediaId(uniqueId.toString()).setUri(dataStream)
         return mediaItem.build()
     }
 
diff --git a/new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModel.kt b/new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModel.kt
index 414e9e6..ea46523 100644
--- a/new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModel.kt
+++ b/new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModel.kt
@@ -63,4 +63,6 @@ interface VideoPlayerViewModel {
     fun setRepeatmode(repeatMode: Int)
     fun setSuffleEnabled(enabled: Boolean)
     fun onStorePlaylist()
+    fun movePlaylistItem(from: Int, to: Int)
+    fun removePlaylistItem(index: Int)
 }
\ No newline at end of file
diff --git a/new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModelImpl.kt b/new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModelImpl.kt
index 3eb3fa8..2cabb5b 100644
--- a/new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModelImpl.kt
+++ b/new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModelImpl.kt
@@ -30,7 +30,6 @@ import androidx.core.content.ContextCompat.getSystemService
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.viewModelScope
-import androidx.media3.common.MediaMetadata
 import androidx.media3.common.Player
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Job
@@ -46,7 +45,6 @@ import kotlinx.coroutines.launch
 import net.newpipe.newplayer.Chapter
 import net.newpipe.newplayer.utils.VideoSize
 import net.newpipe.newplayer.NewPlayer
-import net.newpipe.newplayer.playerInternals.getPlaylistItemsFromItemList
 import net.newpipe.newplayer.ui.ContentScale
 
 val VIDEOPLAYER_UI_STATE = "video_player_ui_state"
@@ -172,7 +170,7 @@ class VideoPlayerViewModelImpl @Inject constructor(
                 }
             }
             viewModelScope.launch {
-                newPlayer.playlistInPlaylistItems.collect { playlist ->
+                newPlayer.playlist.collect { playlist ->
                     mutableUiState.update { it.copy(playList = playlist) }
                 }
             }
@@ -423,6 +421,14 @@ class VideoPlayerViewModelImpl @Inject constructor(
         TODO("Not yet implemented")
     }
 
+    override fun movePlaylistItem(from: Int, to: Int) {
+        newPlayer?.movePlaylistItem(from, to)
+    }
+
+    override fun removePlaylistItem(index: Int) {
+        newPlayer?.removePlaylistItem(index)
+    }
+
     private fun updateUiMode(newState: UIModeState) {
         val newPlayMode = newState.toPlayMode()
         val currentPlayMode = mutableUiState.value.uiMode.toPlayMode()
diff --git a/new-player/src/main/java/net/newpipe/newplayer/model/ViewoPlayerViewModelDummy.kt b/new-player/src/main/java/net/newpipe/newplayer/model/ViewoPlayerViewModelDummy.kt
index c9b5f2b..28f8e69 100644
--- a/new-player/src/main/java/net/newpipe/newplayer/model/ViewoPlayerViewModelDummy.kt
+++ b/new-player/src/main/java/net/newpipe/newplayer/model/ViewoPlayerViewModelDummy.kt
@@ -100,7 +100,15 @@ open class VideoPlayerViewModelDummy : VideoPlayerViewModel {
     }
 
     override fun onStorePlaylist() {
-        TODO("Not yet implemented")
+        println("dummy impl")
+    }
+
+    override fun movePlaylistItem(from: Int, to: Int) {
+        println("dummy impl")
+    }
+
+    override fun removePlaylistItem(index: Int) {
+        println("dummy impl")
     }
 
     override fun pause() {
diff --git a/new-player/src/main/java/net/newpipe/newplayer/playerInternals/PlayList.kt b/new-player/src/main/java/net/newpipe/newplayer/playerInternals/PlayList.kt
deleted file mode 100644
index 3f2822c..0000000
--- a/new-player/src/main/java/net/newpipe/newplayer/playerInternals/PlayList.kt
+++ /dev/null
@@ -1,162 +0,0 @@
-/* NewPlayer
- *
- * @author Christian Schabesberger
- *
- * Copyright (C) NewPipe e.V. 2024 <code(at)newpipe-ev.de>
- *
- * NewPlayer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * NewPlayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with NewPlayer.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-package net.newpipe.newplayer.playerInternals
-
-import androidx.media3.common.Player
-
-
-// TODO: This is cool, but it might still contains all raceconditions since two actors are mutating the
-// same time.
-// Be aware when using this list and this iterator: There can alwas be out of bounds exceptions
-// even if the size in a previous query said otherwise, since between the size query and
-// a get element query the count of elements might have been changed by exoplayer itself
-// due to this reason some functions force the user to handle elements out of bounds exceptions.
-
-class PlayListIterator(
-    val exoPlayer: Player,
-    val fromIndex: Int,
-    val toIndex: Int
-) : ListIterator<String> {
-
-    var index = fromIndex
-
-    override fun hasNext() =
-        index < minOf(exoPlayer.mediaItemCount, toIndex)
-
-    override fun hasPrevious() = fromIndex < index
-
-    @Throws(IndexOutOfBoundsException::class)
-    override fun next(): String {
-        if (exoPlayer.mediaItemCount <= index)
-            throw NoSuchElementException("No Stream with index $index in the playlist")
-        val item = exoPlayer.getMediaItemAt(index).mediaId
-        index++
-        return item
-    }
-
-    @Throws(IndexOutOfBoundsException::class)
-    override fun nextIndex() =
-        if (exoPlayer.mediaItemCount <= index)
-            exoPlayer.mediaItemCount - fromIndex
-        else
-            (index + 1) - fromIndex
-
-    @Throws(IndexOutOfBoundsException::class)
-    override fun previous(): String {
-        if (index <= fromIndex)
-            throw NoSuchElementException("No Stream with index ${index - 1} in the playlist")
-        index--
-        val item = exoPlayer.getMediaItemAt(index).mediaId
-        return item
-    }
-
-    override fun previousIndex() =
-        if (index <= fromIndex)
-            0
-        else
-            (index - 1) - fromIndex
-}
-
-class PlayList(val exoPlayer: Player, val fromIndex: Int = 0, val toIndex: Int = Int.MAX_VALUE) :
-    List<String> {
-
-    override val size: Int
-        get() = minOf(exoPlayer.mediaItemCount, toIndex) - fromIndex
-
-    // TODO: This contains a race condition. When the player might change the playlist while this function runns
-    override fun contains(element: String): Boolean {
-        for (i in fromIndex..minOf(exoPlayer.mediaItemCount, toIndex)) {
-            try {
-                if (exoPlayer.getMediaItemAt(i).mediaId == element)
-                    return true
-            } catch (e: IndexOutOfBoundsException) {
-                return false
-            }
-        }
-        return false
-    }
-
-    // TODO: This contains a race condition. When the player might change the playlist while this function runns
-    override fun containsAll(elements: Collection<String>): Boolean {
-        for (element in elements) {
-            if (!this.contains(element)) {
-                return false
-            }
-        }
-        return true
-    }
-
-    @Throws(IndexOutOfBoundsException::class)
-    override fun get(index: Int) =
-        if (index < 0 || toIndex < index + fromIndex)
-            throw IndexOutOfBoundsException("Accessed playlist item outside of permitted Playlist ListWindow: $index with [$fromIndex;$toIndex[")
-        else
-            exoPlayer.getMediaItemAt(index + fromIndex).mediaId
-
-    override fun isEmpty() = exoPlayer.mediaItemCount == 0 || fromIndex == toIndex
-
-    override fun iterator() = PlayListIterator(exoPlayer, fromIndex, toIndex)
-
-    override fun listIterator() = PlayListIterator(exoPlayer, fromIndex, toIndex)
-
-    override fun listIterator(index: Int) = PlayListIterator(exoPlayer, index, toIndex)
-
-    override fun subList(fromIndex: Int, toIndex: Int): List<String> =
-        PlayList(
-            exoPlayer,
-            fromIndex = this.fromIndex + fromIndex,
-            toIndex = this.fromIndex + toIndex
-        )
-
-    override fun lastIndexOf(element: String): Int {
-        var mediaItemCount = 0
-        var newMediaItemCount =  minOf(toIndex, exoPlayer.mediaItemCount)
-
-        // this while loop is there to catch raceconditions
-        while(mediaItemCount != newMediaItemCount) {
-            mediaItemCount = newMediaItemCount
-            for (i in minOf(toIndex, exoPlayer.mediaItemCount) downTo fromIndex) {
-                try {
-                    if (exoPlayer.getMediaItemAt(i).mediaId == element) {
-                        return i - fromIndex
-                    }
-                } catch (_: IndexOutOfBoundsException) {}
-
-            }
-            newMediaItemCount = minOf(toIndex, exoPlayer.mediaItemCount)
-        }
-        return -1
-    }
-
-    override fun indexOf(element: String): Int {
-        for (i in fromIndex..minOf(toIndex, exoPlayer.mediaItemCount)) {
-            try {
-                if (exoPlayer.getMediaItemAt(i).mediaId == element) {
-                    return i - fromIndex
-                }
-            } catch (e: IndexOutOfBoundsException) {
-                return -1
-            }
-        }
-        return -1
-    }
-}
\ No newline at end of file
diff --git a/new-player/src/main/java/net/newpipe/newplayer/playerInternals/PlayListItem.kt b/new-player/src/main/java/net/newpipe/newplayer/playerInternals/PlayListItem.kt
index bb82777..b90323c 100644
--- a/new-player/src/main/java/net/newpipe/newplayer/playerInternals/PlayListItem.kt
+++ b/new-player/src/main/java/net/newpipe/newplayer/playerInternals/PlayListItem.kt
@@ -21,34 +21,48 @@
 
 package net.newpipe.newplayer.playerInternals
 
+import androidx.media3.common.Player
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.async
 import net.newpipe.newplayer.MediaRepository
+import net.newpipe.newplayer.NewPlayerException
 import net.newpipe.newplayer.utils.Thumbnail
 import kotlin.coroutines.coroutineContext
+import kotlin.random.Random
 
 data class PlaylistItem(
     val title: String,
     val creator: String,
     val id: String,
+    val uniqueId: Long,
     val thumbnail: Thumbnail?,
     val lengthInS: Int
 )
 
-suspend fun getPlaylistItemsFromItemList(items: List<String>, mediaRepo: MediaRepository) =
+suspend fun getPlaylistItemsFromExoplayer(player: Player, mediaRepo: MediaRepository, idLookupTable: HashMap<Long, String>) =
     with(CoroutineScope(coroutineContext)) {
-        items.map { item ->
+        (0..player.mediaItemCount-1).map { index ->
+            println("gurken index: $index")
+            val mediaItem = player.getMediaItemAt(index)
+            val uniqueId = mediaItem.mediaId.toLong()
+            val id = idLookupTable.get(uniqueId)
+                ?: throw NewPlayerException("Unknown uniqueId: $uniqueId, uniqueId Id mapping error. Something went wrong during datafetching.")
+            Pair(uniqueId, id)
+        }.map { item ->
             Pair(item, async {
-                mediaRepo.getMetaInfo(item)
+                mediaRepo.getMetaInfo(item.second)
             })
         }.map {
+            val uniqueId = it.first.first
+            val id = it.first.second
             val metaInfo = it.second.await()
             PlaylistItem(
                 title = metaInfo.title,
                 creator = metaInfo.channelName,
-                id = it.first,
+                id = id,
                 thumbnail = metaInfo.thumbnail,
-                lengthInS = metaInfo.lengthInS
+                lengthInS = metaInfo.lengthInS,
+                uniqueId = uniqueId
             )
         }
     }
diff --git a/new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/StreamSelectUI.kt b/new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/StreamSelectUI.kt
index 216de80..d671877 100644
--- a/new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/StreamSelectUI.kt
+++ b/new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/StreamSelectUI.kt
@@ -20,42 +20,31 @@
 
 package net.newpipe.newplayer.ui.videoplayer
 
-import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.PaddingValues
+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.windowInsetsPadding
 import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Close
-import androidx.compose.material.icons.filled.Repeat
-import androidx.compose.material.icons.filled.RepeatOn
-import androidx.compose.material.icons.filled.RepeatOne
-import androidx.compose.material.icons.filled.RepeatOneOn
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
-import androidx.compose.material3.LocalContentColor
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.material3.TopAppBar
-import androidx.compose.material3.TopAppBarDefaults.topAppBarColors
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
-import androidx.media3.exoplayer.ExoPlayer
-import net.newpipe.newplayer.R
 import net.newpipe.newplayer.model.VideoPlayerUIState
 import net.newpipe.newplayer.model.VideoPlayerViewModel
 import net.newpipe.newplayer.model.VideoPlayerViewModelDummy
-import net.newpipe.newplayer.ui.CONTROLLER_UI_BACKGROUND_COLOR
 import net.newpipe.newplayer.ui.theme.VideoPlayerTheme
 import net.newpipe.newplayer.Chapter
-import net.newpipe.newplayer.NewPlayerException
 import net.newpipe.newplayer.playerInternals.PlaylistItem
 import net.newpipe.newplayer.ui.STREAMSELECT_UI_BACKGROUND_COLOR
 import net.newpipe.newplayer.ui.videoplayer.streamselect.ChapterItem
@@ -63,6 +52,9 @@ import net.newpipe.newplayer.ui.videoplayer.streamselect.ChapterSelectTopBar
 import net.newpipe.newplayer.ui.videoplayer.streamselect.StreamItem
 import net.newpipe.newplayer.ui.videoplayer.streamselect.StreamSelectTopBar
 import net.newpipe.newplayer.utils.getInsets
+import sh.calvin.reorderable.ReorderableItem
+import sh.calvin.reorderable.rememberReorderableLazyListState
+
 
 @Composable
 fun StreamSelectUI(
@@ -91,13 +83,14 @@ fun StreamSelectUI(
                 }
             }
         ) { innerPadding ->
-            LazyColumn(
-                modifier = Modifier
-                    .padding(innerPadding)
-                    .fillMaxSize(),
-                contentPadding = PaddingValues(start = 8.dp, end = 4.dp)
-            ) {
-                if (isChapterSelect) {
+            if (isChapterSelect) {
+                LazyColumn(
+                    modifier = Modifier
+                        .padding(innerPadding)
+                        .fillMaxSize(),
+                    contentPadding = PaddingValues(start = 8.dp, end = 4.dp)
+                ) {
+
                     items(uiState.chapters.size) { chapterIndex ->
                         val chapter = uiState.chapters[chapterIndex]
                         ChapterItem(
@@ -110,26 +103,58 @@ fun StreamSelectUI(
                             }
                         )
                     }
-                } else {
-                    items(uiState.playList.size) { playlistItemIndex ->
-                        val playlistItem = uiState.playList[playlistItemIndex]
-                        StreamItem(
-                            id = playlistItemIndex,
-                            title = playlistItem.title,
-                            creator = playlistItem.creator,
-                            thumbnail = playlistItem.thumbnail,
-                            lengthInMs = playlistItem.lengthInS.toLong() * 1000,
-                            onDragStart = {},
-                            onDragEnd = {},
-                            onClicked = { viewModel.streamSelected(playlistItemIndex) }
-                        )
-                    }
+
                 }
+            } else {
+                ReorderableStreamItemsList(
+                    innerPadding = innerPadding,
+                    viewModel = viewModel,
+                    uiState = uiState
+                )
             }
         }
     }
 }
 
+@Composable
+fun ReorderableStreamItemsList(
+    innerPadding: PaddingValues,
+    viewModel: VideoPlayerViewModel,
+    uiState: VideoPlayerUIState
+) {
+
+    val lazyListState = rememberLazyListState()
+    val reorderableLazyListState =
+        rememberReorderableLazyListState(lazyListState = lazyListState) { from, to ->
+            viewModel.movePlaylistItem(from.index, to.index)
+        }
+
+
+
+    LazyColumn(
+        modifier = Modifier
+            .padding(innerPadding)
+            .fillMaxSize(),
+        state = lazyListState
+    ) {
+        itemsIndexed(uiState.playList, key = {_, item -> item.uniqueId}) { index, playlistItem ->
+            ReorderableItem(
+                state = reorderableLazyListState,
+                key = playlistItem.uniqueId
+            ) { isDragging ->
+                StreamItem(
+                    id = index,
+                    title = playlistItem.title,
+                    creator = playlistItem.creator,
+                    thumbnail = playlistItem.thumbnail,
+                    lengthInMs = playlistItem.lengthInS.toLong() * 1000,
+                    onClicked = { viewModel.streamSelected(it) },
+                    reorderableScope = this@ReorderableItem
+                )
+            }
+        }
+    }
+}
 
 @Preview(device = "id:pixel_5")
 @Composable
@@ -178,21 +203,24 @@ fun VideoPlayerStreamSelectUIPreview() {
                             title = "Stream 1",
                             creator = "The Creator",
                             lengthInS = 6 * 60 + 5,
-                            thumbnail = null
+                            thumbnail = null,
+                            uniqueId = 0
                         ),
                         PlaylistItem(
                             id = "6502",
                             title = "Stream 2",
                             creator = "The Creator 2",
                             lengthInS = 2 * 60 + 5,
-                            thumbnail = null
+                            thumbnail = null,
+                            uniqueId = 1
                         ),
                         PlaylistItem(
                             id = "6502",
                             title = "Stream 3",
                             creator = "The Creator 3",
                             lengthInS = 29 * 60 + 5,
-                            thumbnail = null
+                            thumbnail = null,
+                            uniqueId = 2
                         )
                     )
                 )
diff --git a/new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/streamselect/StreamItem.kt b/new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/streamselect/StreamItem.kt
index aa72960..1bd0a83 100644
--- a/new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/streamselect/StreamItem.kt
+++ b/new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/streamselect/StreamItem.kt
@@ -20,33 +20,28 @@
 
 package net.newpipe.newplayer.ui.videoplayer.streamselect
 
-import android.view.MotionEvent
 import androidx.compose.foundation.Image
-import androidx.compose.foundation.clickable
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.aspectRatio
-import androidx.compose.foundation.layout.fillMaxHeight
 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.layout.wrapContentHeight
 import androidx.compose.foundation.layout.wrapContentSize
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.DragHandle
 import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
-import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.input.pointer.pointerInteropFilter
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
@@ -64,6 +59,7 @@ import net.newpipe.newplayer.utils.Thumbnail
 import net.newpipe.newplayer.utils.VectorThumbnail
 import net.newpipe.newplayer.utils.getLocale
 import net.newpipe.newplayer.utils.getTimeStringFromMs
+import sh.calvin.reorderable.ReorderableCollectionItemScope
 
 @Composable
 private fun Thumbnail(thumbnail: Thumbnail?, contentDescription: String) {
@@ -95,38 +91,6 @@ private fun Thumbnail(thumbnail: Thumbnail?, contentDescription: String) {
     }
 }
 
-@OptIn(ExperimentalComposeUiApi::class)
-@Composable
-private fun DragComposable(onDragStart: () -> Unit, onDragEnd: () -> Unit) {
-    Box(modifier = Modifier
-        .aspectRatio(1f)
-        .fillMaxSize()
-        .pointerInteropFilter {
-            when (it.action) {
-                MotionEvent.ACTION_UP -> {
-                    onDragEnd()
-                    false
-                }
-
-                MotionEvent.ACTION_DOWN -> {
-                    onDragStart()
-                    false
-                }
-
-                else -> true
-            }
-        }) {
-        Icon(
-            modifier = Modifier
-                .size(25.dp)
-                .align(Alignment.Center),
-            imageVector = Icons.Filled.DragHandle,
-            //contentDescription = stringResource(R.string.stream_item_drag_handle)
-            contentDescription = "placeholer, TODO: FIXME"
-        )
-    }
-}
-
 @Composable
 fun StreamItem(
     modifier: Modifier = Modifier,
@@ -135,19 +99,19 @@ fun StreamItem(
     creator: String?,
     thumbnail: Thumbnail?,
     lengthInMs: Long,
-    onDragStart: (Int) -> Unit,
-    onDragEnd: (Int) -> Unit,
-    onClicked: (Int) -> Unit
+    onClicked: (Int) -> Unit,
+    reorderableScope: ReorderableCollectionItemScope?
 ) {
     val locale = getLocale()!!
-    Row(modifier = modifier
-        .clickable { onClicked(id) }
-        .padding(5.dp)
-        .height(IntrinsicSize.Min)) {
+    Row(
+        modifier = modifier
+            .padding(5.dp)
+            .height(60.dp)
+    ) {
         Box(
             modifier = Modifier
                 .aspectRatio(16f / 9f)
-                .wrapContentSize()
+                .fillMaxSize()
         ) {
             val contentDescription = stringResource(R.string.stream_item_thumbnail)
             Thumbnail(thumbnail, contentDescription)
@@ -189,12 +153,30 @@ fun StreamItem(
                 )
             }
         }
-
-        DragComposable(onDragStart = { onDragStart(id) }, onDragEnd = { onDragEnd(id) })
-
+        IconButton(
+            modifier = if (reorderableScope != null) {
+                with(reorderableScope) {
+                    Modifier
+                        .aspectRatio(1f)
+                        .fillMaxSize()
+                        .draggableHandle()
+                }
+            } else {
+                Modifier
+                    .aspectRatio(1f)
+                    .fillMaxSize()
+            },
+            onClick = {}
+        ) {
+            Icon(
+                imageVector = Icons.Filled.DragHandle,
+                contentDescription = stringResource(R.string.stream_item_drag_handle)
+            )
+        }
     }
 }
 
+
 @Preview(device = "spec:width=1080px,height=400px,dpi=440,orientation=landscape")
 @Composable
 fun StreamItemPreview() {
@@ -207,9 +189,8 @@ fun StreamItemPreview() {
                     creator = "Video Creator",
                     thumbnail = null,
                     lengthInMs = 15 * 60 * 1000,
-                    onDragStart = {},
-                    onDragEnd = {},
-                    onClicked = {}
+                    onClicked = {},
+                    reorderableScope = null
                 )
             }
         }