feat: support for adding downloads to playback queue

app/src/main/java/com/github/libretube/constants/IntentData.kt

@@ -36,7 +36,6 @@ object IntentData {
     const val url = "url"
     const val videoStats = "videoStats"
     const val bitmapUrl = "bitmapUrl"
-    const val isCurrentlyPlaying = "isCurrentlyPlaying"
     const val isSubscribed = "isSubscribed"
     const val sortOptions = "sortOptions"
     const val hideWatched = "hideWatched"

app/src/main/java/com/github/libretube/services/AbstractPlayerService.kt

@@ -37,6 +37,7 @@ import com.github.libretube.ui.activities.MainActivity
 import com.github.libretube.util.NowPlayingNotification
 import com.github.libretube.util.PauseableTimer
 import com.github.libretube.util.PlayingQueue
+import com.github.libretube.util.PlayingQueueMode
 import com.google.common.util.concurrent.ListenableFuture
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -100,6 +101,7 @@ abstract class AbstractPlayerService : MediaLibraryService(), MediaLibrarySessio
                 Player.STATE_ENDED -> {
                     saveWatchPosition()
                 }
+
                 Player.STATE_READY -> {
                     isTransitioning = false
                 }
@@ -115,6 +117,9 @@ abstract class AbstractPlayerService : MediaLibraryService(), MediaLibrarySessio
     ): ListenableFuture<SessionResult> {
         when (customCommand.customAction) {
             START_SERVICE_ACTION -> {
+                PlayingQueue.queueMode =
+                    if (isOfflinePlayer) PlayingQueueMode.OFFLINE else PlayingQueueMode.ONLINE
+
                 CoroutineScope(Dispatchers.IO).launch {
                     onServiceCreated(args)
                     withContext(Dispatchers.Main) {
@@ -262,7 +267,8 @@ abstract class AbstractPlayerService : MediaLibraryService(), MediaLibrarySessio
     abstract val isOfflinePlayer: Boolean
     var isAudioOnlyPlayer: Boolean = false
 
-    val watchPositionsEnabled get() =
+    val watchPositionsEnabled
+        get() =
             (PlayerHelper.watchPositionsAudio && isAudioOnlyPlayer) || (PlayerHelper.watchPositionsVideo && !isAudioOnlyPlayer)
 
     override fun onGetSession(controllerInfo: MediaSession.ControllerInfo): MediaLibrarySession? =

app/src/main/java/com/github/libretube/ui/adapters/DownloadsAdapter.kt

@@ -137,8 +137,7 @@ class DownloadsAdapter(
                 DownloadOptionsBottomSheet()
                     .apply {
                         arguments = bundleOf(
-                            IntentData.videoId to download.videoId,
-                            IntentData.channelName to download.uploader,
+                            IntentData.streamItem to download.toStreamItem(),
                             IntentData.downloadTab to downloadTab
                         )
                     }

app/src/main/java/com/github/libretube/ui/fragments/AudioPlayerFragment.kt

@@ -471,10 +471,7 @@ class AudioPlayerFragment : Fragment(R.layout.fragment_audio_player), AudioPlaye
         val current = PlayingQueue.getCurrent() ?: return
         VideoOptionsBottomSheet()
             .apply {
-                arguments = bundleOf(
-                    IntentData.streamItem to current,
-                    IntentData.isCurrentlyPlaying to true
-                )
+                arguments = bundleOf(IntentData.streamItem to current)
             }
             .show(childFragmentManager)
     }

app/src/main/java/com/github/libretube/ui/fragments/WatchHistoryFragment.kt

@@ -60,7 +60,8 @@ class WatchHistoryFragment : DynamicLayoutManagerFragment(R.layout.fragment_watc
         }
 
         binding.watchHistoryRecView.setOnDismissListener { position ->
-            val item = viewModel.filteredWatchHistory.value?.getOrNull(position) ?: return@setOnDismissListener
+            val item = viewModel.filteredWatchHistory.value?.getOrNull(position)
+                ?: return@setOnDismissListener
             viewModel.removeFromHistory(item)
         }
 

app/src/main/java/com/github/libretube/ui/sheets/DownloadOptionsBottomSheet.kt

@@ -4,33 +4,43 @@ import android.os.Bundle
 import androidx.core.os.bundleOf
 import androidx.fragment.app.setFragmentResult
 import com.github.libretube.R
+import com.github.libretube.api.obj.StreamItem
 import com.github.libretube.constants.IntentData
 import com.github.libretube.enums.ShareObjectType
+import com.github.libretube.extensions.parcelable
 import com.github.libretube.extensions.serializable
+import com.github.libretube.extensions.toID
 import com.github.libretube.helpers.BackgroundHelper
 import com.github.libretube.helpers.ContextHelper
 import com.github.libretube.helpers.NavigationHelper
 import com.github.libretube.obj.ShareData
-import com.github.libretube.ui.activities.DownloadActivity
 import com.github.libretube.ui.activities.NoInternetActivity
 import com.github.libretube.ui.dialogs.ShareDialog
 import com.github.libretube.ui.fragments.DownloadTab
+import com.github.libretube.util.PlayingQueue
+import com.github.libretube.util.PlayingQueueMode
 
 class DownloadOptionsBottomSheet : BaseBottomSheet() {
     override fun onCreate(savedInstanceState: Bundle?) {
-        val videoId = arguments?.getString(IntentData.videoId)!!
+        val streamItem = arguments?.parcelable<StreamItem>(IntentData.streamItem)!!
+        val videoId = streamItem.url!!.toID()
         val downloadTab = arguments?.serializable<DownloadTab>(IntentData.downloadTab)!!
 
         val options = mutableListOf(
             R.string.playOnBackground,
-            R.string.go_to_video,
             R.string.share,
             R.string.delete
         )
 
         // can't navigate to video while in offline activity
-        if (ContextHelper.tryUnwrapActivity<NoInternetActivity>(requireContext()) != null) {
-            options.remove(R.string.go_to_video)
+        if (ContextHelper.tryUnwrapActivity<NoInternetActivity>(requireContext()) == null) {
+            options += R.string.go_to_video
+        }
+
+        val isSelectedVideoCurrentlyPlaying = PlayingQueue.getCurrent()?.url?.toID() == videoId
+        if (!isSelectedVideoCurrentlyPlaying && PlayingQueue.isNotEmpty() && PlayingQueue.queueMode == PlayingQueueMode.OFFLINE) {
+            options += R.string.play_next
+            options += R.string.add_to_queue
         }
 
         setSimpleItems(options.map { getString(it) }) { which ->
@@ -59,6 +69,14 @@ class DownloadOptionsBottomSheet : BaseBottomSheet() {
                     setFragmentResult(DELETE_DOWNLOAD_REQUEST_KEY, bundleOf())
                     dialog?.dismiss()
                 }
+
+                R.string.play_next -> {
+                    PlayingQueue.addAsNext(streamItem)
+                }
+
+                R.string.add_to_queue -> {
+                    PlayingQueue.add(streamItem)
+                }
             }
         }
 

app/src/main/java/com/github/libretube/ui/sheets/VideoOptionsBottomSheet.kt

@@ -24,6 +24,7 @@ import com.github.libretube.ui.dialogs.AddToPlaylistDialog
 import com.github.libretube.ui.dialogs.ShareDialog
 import com.github.libretube.ui.fragments.SubscriptionsFragment
 import com.github.libretube.util.PlayingQueue
+import com.github.libretube.util.PlayingQueueMode
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withContext
@@ -35,18 +36,17 @@ import kotlinx.coroutines.withContext
  */
 class VideoOptionsBottomSheet : BaseBottomSheet() {
     private lateinit var streamItem: StreamItem
-    private var isCurrentlyPlaying = false
 
     override fun onCreate(savedInstanceState: Bundle?) {
         streamItem = arguments?.parcelable(IntentData.streamItem)!!
-        isCurrentlyPlaying = arguments?.getBoolean(IntentData.isCurrentlyPlaying) ?: false
 
         val videoId = streamItem.url?.toID() ?: return
 
         setTitle(streamItem.title)
 
         val optionsList = mutableListOf<Int>()
-        if (!isCurrentlyPlaying) {
+        // these options are only available for other videos than the currently playing one
+        if (PlayingQueue.getCurrent()?.url?.toID() != videoId) {
             optionsList += getOptionsForNotActivePlayback(videoId)
         }
 
@@ -136,7 +136,7 @@ class VideoOptionsBottomSheet : BaseBottomSheet() {
         val optionsList = mutableListOf(R.string.playOnBackground)
 
         // Check whether the player is running and add queue options
-        if (PlayingQueue.isNotEmpty()) {
+        if (PlayingQueue.isNotEmpty() && PlayingQueue.queueMode == PlayingQueueMode.ONLINE) {
             optionsList += R.string.play_next
             optionsList += R.string.add_to_queue
         }

app/src/main/java/com/github/libretube/util/PlayingQueue.kt

@@ -18,6 +18,12 @@ object PlayingQueue {
 
     private val queueJobs = mutableListOf<Job>()
 
+    /**
+     * Current use case of the queue. Do NOT add any offline videos while the [queueMode] is online
+     * or vice versa.
+     */
+    var queueMode: PlayingQueueMode = PlayingQueueMode.ONLINE
+
     // wrapper around PlayerHelper#repeatMode for compatibility
     var repeatMode: Int
         get() = PlayerHelper.repeatMode
@@ -222,3 +228,8 @@ object PlayingQueue {
         add(*streams.filter { !it.isLive }.toTypedArray(), skipExisting = true)
     }
 }
+
+enum class PlayingQueueMode {
+    ONLINE,
+    OFFLINE
+}