Player/handleIntent: call handleIntentPost unconditionally

We always need to handleIntentPost otherwise the VideoDetailFragment
is not setup correctly.

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -93,6 +93,7 @@ import org.schabi.newpipe.local.dialog.PlaylistDialog;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
 import org.schabi.newpipe.local.playlist.LocalPlaylistFragment;
 import org.schabi.newpipe.player.Player;
+import org.schabi.newpipe.player.PlayerIntentType;
 import org.schabi.newpipe.player.PlayerService;
 import org.schabi.newpipe.player.PlayerType;
 import org.schabi.newpipe.player.event.OnKeyDownListener;
@@ -1166,8 +1167,12 @@ public final class VideoDetailFragment
         final PlayQueue queue = setupPlayQueueForIntent(false);
         tryAddVideoPlayerView();
 
-        final Intent playerIntent = NavigationHelper.getPlayerIntent(requireContext(),
+        final Context context = requireContext();
-                PlayerService.class, queue, true, autoPlayEnabled);
+        final Intent playerIntent =
+                NavigationHelper.getPlayerIntent(context, PlayerService.class, queue,
+                                PlayerIntentType.AllOthers)
+                        .putExtra(Player.PLAY_WHEN_READY, autoPlayEnabled)
+                        .putExtra(Player.RESUME_PLAYBACK, true);
         ContextCompat.startForegroundService(activity, playerIntent);
     }
 

app/src/main/java/org/schabi/newpipe/player/Player.java

@@ -24,12 +24,12 @@ import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_SEEK_ADJ
 import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_SKIP;
 import static com.google.android.exoplayer2.Player.DiscontinuityReason;
 import static com.google.android.exoplayer2.Player.Listener;
+import static com.google.android.exoplayer2.Player.REPEAT_MODE_ALL;
 import static com.google.android.exoplayer2.Player.REPEAT_MODE_OFF;
 import static com.google.android.exoplayer2.Player.REPEAT_MODE_ONE;
 import static com.google.android.exoplayer2.Player.RepeatMode;
 import static org.schabi.newpipe.extractor.ServiceList.YouTube;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
-import static org.schabi.newpipe.player.helper.PlayerHelper.nextRepeatMode;
 import static org.schabi.newpipe.player.helper.PlayerHelper.retrievePlaybackParametersFromPrefs;
 import static org.schabi.newpipe.player.helper.PlayerHelper.retrieveSeekDurationFromPreferences;
 import static org.schabi.newpipe.player.helper.PlayerHelper.savePlaybackParametersToPrefs;
@@ -109,6 +109,7 @@ import org.schabi.newpipe.player.playback.MediaSourceManager;
 import org.schabi.newpipe.player.playback.PlaybackListener;
 import org.schabi.newpipe.player.playqueue.PlayQueue;
 import org.schabi.newpipe.player.playqueue.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
 import org.schabi.newpipe.player.resolver.AudioPlaybackResolver;
 import org.schabi.newpipe.player.resolver.VideoPlaybackResolver;
 import org.schabi.newpipe.player.resolver.VideoPlaybackResolver.SourceType;
@@ -118,8 +119,10 @@ import org.schabi.newpipe.player.ui.PlayerUiList;
 import org.schabi.newpipe.player.ui.PopupPlayerUi;
 import org.schabi.newpipe.player.ui.VideoPlayerUi;
 import org.schabi.newpipe.util.DependentPreferenceHelper;
+import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.PermissionHelper;
 import org.schabi.newpipe.util.SerializedCache;
 import org.schabi.newpipe.util.StreamTypeUtil;
 import org.schabi.newpipe.util.image.PicassoHelper;
@@ -130,9 +133,11 @@ import java.util.stream.IntStream;
 
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
 import io.reactivex.rxjava3.core.Observable;
+import io.reactivex.rxjava3.core.Single;
 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 import io.reactivex.rxjava3.disposables.Disposable;
 import io.reactivex.rxjava3.disposables.SerialDisposable;
+import io.reactivex.rxjava3.schedulers.Schedulers;
 
 public final class Player implements PlaybackListener, Listener {
     public static final boolean DEBUG = MainActivity.DEBUG;
@@ -154,14 +159,13 @@ public final class Player implements PlaybackListener, Listener {
     // Intent
     //////////////////////////////////////////////////////////////////////////*/
 
-    public static final String REPEAT_MODE = "repeat_mode";
     public static final String PLAYBACK_QUALITY = "playback_quality";
     public static final String PLAY_QUEUE_KEY = "play_queue_key";
-    public static final String ENQUEUE = "enqueue";
-    public static final String ENQUEUE_NEXT = "enqueue_next";
     public static final String RESUME_PLAYBACK = "resume_playback";
     public static final String PLAY_WHEN_READY = "play_when_ready";
     public static final String PLAYER_TYPE = "player_type";
+    public static final String PLAYER_INTENT_TYPE = "player_intent_type";
+    public static final String PLAYER_INTENT_DATA = "player_intent_data";
 
     /*//////////////////////////////////////////////////////////////////////////
     // Time constants
@@ -246,6 +250,8 @@ public final class Player implements PlaybackListener, Listener {
     private final SerialDisposable progressUpdateDisposable = new SerialDisposable();
     @NonNull
     private final CompositeDisposable databaseUpdateDisposable = new CompositeDisposable();
+    @NonNull
+    private final CompositeDisposable streamItemDisposable = new CompositeDisposable();
 
     // This is the only listener we need for thumbnail loading, since there is always at most only
     // one thumbnail being loaded at a time. This field is also here to maintain a strong reference,
@@ -346,48 +352,134 @@ public final class Player implements PlaybackListener, Listener {
 
     @SuppressWarnings("MethodLength")
     public void handleIntent(@NonNull final Intent intent) {
-        // fail fast if no play queue was provided
+
-        final String queueCache = intent.getStringExtra(PLAY_QUEUE_KEY);
+        final PlayerIntentType playerIntentType = intent.getParcelableExtra(PLAYER_INTENT_TYPE);
-        if (queueCache == null) {
+        if (playerIntentType == null) {
             return;
         }
-        final PlayQueue newQueue = SerializedCache.getInstance().take(queueCache, PlayQueue.class);
+        final PlayerType newPlayerType;
-        if (newQueue == null) {
+        // TODO: this should be in the second switch below, but I’m not sure whether I
-            return;
+        // can move the initUIs stuff without breaking the setup for edge cases somehow.
+        switch (playerIntentType) {
+            case TimestampChange -> {
+                // TODO: this breaks out of the pattern of asking for the permission before
+                // sending the PlayerIntent, but I’m not sure yet how to combine the permissions
+                // with the new enum approach. Maybe it’s better that the player asks anyway?
+                if (!PermissionHelper.isPopupEnabledElseAsk(context)) {
+                    return;
+                }
+                newPlayerType = PlayerType.POPUP;
+            }
+            default -> {
+                newPlayerType = PlayerType.retrieveFromIntent(intent);
+            }
         }
 
-        final PlayerType oldPlayerType = playerType;
+        playerType = newPlayerType;
-        playerType = PlayerType.retrieveFromIntent(intent);
         initUIsForCurrentPlayerType();
-        // We need to setup audioOnly before super(), see "sourceOf"
         isAudioOnly = audioPlayerSelected();
 
         if (intent.hasExtra(PLAYBACK_QUALITY)) {
             videoResolver.setPlaybackQuality(intent.getStringExtra(PLAYBACK_QUALITY));
         }
 
-        // Resolve enqueue intents
+        final boolean playWhenReady = intent.getBooleanExtra(PLAY_WHEN_READY, true);
-        if (intent.getBooleanExtra(ENQUEUE, false) && playQueue != null) {
-            playQueue.append(newQueue.getStreams());
-            return;
 
-            // Resolve enqueue next intents
+        switch (playerIntentType) {
-        } else if (intent.getBooleanExtra(ENQUEUE_NEXT, false) && playQueue != null) {
+            case Enqueue -> {
-            final int currentIndex = playQueue.getIndex();
+                if (playQueue != null) {
-            playQueue.append(newQueue.getStreams());
+                    final PlayQueue newQueue = getPlayQueueFromCache(intent);
-            playQueue.move(playQueue.size() - 1, currentIndex + 1);
+                    if (newQueue == null) {
+                        return;
+                    }
+                    playQueue.append(newQueue.getStreams());
+                    return;
+                }
+
+                // TODO: This falls through to the old logic, there was no playQueue
+                // yet so we should start the player and add the new video
+                break;
+            }
+            case EnqueueNext -> {
+                if (playQueue != null) {
+                    final PlayQueue newQueue = getPlayQueueFromCache(intent);
+                    if (newQueue == null) {
+                        return;
+                    }
+                    final PlayQueueItem newItem = newQueue.getStreams().get(0);
+                    newQueue.enqueueNext(newItem, false);
+                    return;
+                }
+
+                // TODO: This falls through to the old logic, there was no playQueue
+                // yet so we should start the player and add the new video
+                break;
+            }
+            case TimestampChange -> {
+                final TimestampChangeData dat = intent.getParcelableExtra(PLAYER_INTENT_DATA);
+                assert dat != null;
+                final Single<StreamInfo> single =
+                        ExtractorHelper.getStreamInfo(dat.getServiceId(), dat.getUrl(), false);
+                streamItemDisposable.add(single.subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribe(info -> {
+                            final @Nullable PlayQueue oldPlayQueue = playQueue;
+                            info.setStartPosition(dat.getSeconds());
+                            final PlayQueueItem playQueueItem = new PlayQueueItem(info);
+
+                            // If the stream is already playing,
+                            // we can just seek to the appropriate timestamp
+                            if (oldPlayQueue != null
+                                    && playQueueItem.isSameItem(oldPlayQueue.getItem())) {
+                                // Player can have state = IDLE when playback is stopped or failed
+                                // and we should retry in this case
+                                if (simpleExoPlayer.getPlaybackState()
+                                        == com.google.android.exoplayer2.Player.STATE_IDLE) {
+                                    simpleExoPlayer.prepare();
+                                }
+                                simpleExoPlayer.seekTo(oldPlayQueue.getIndex(),
+                                        dat.getSeconds() * 1000L);
+                                simpleExoPlayer.setPlayWhenReady(playWhenReady);
+
+                            } else {
+                                final PlayQueue newPlayQueue;
+
+                                // If there is no queue yet, just add our item
+                                if (oldPlayQueue == null) {
+                                    newPlayQueue = new SinglePlayQueue(playQueueItem);
+
+                                // else we add the timestamped stream behind the current video
+                                // and start playing it.
+                                } else {
+                                    oldPlayQueue.enqueueNext(playQueueItem, true);
+                                    oldPlayQueue.offsetIndex(1);
+                                    newPlayQueue = oldPlayQueue;
+                                }
+                                initPlayback(newPlayQueue, playWhenReady);
+                            }
+
+                        }, throwable -> {
+                            // This will only show a snackbar if the passed context has a root view:
+                            // otherwise it will resort to showing a notification, so we are safe
+                            // here.
+                            ErrorUtil.createNotification(context,
+                                    new ErrorInfo(throwable, UserAction.PLAY_ON_POPUP, dat.getUrl(),
+                                            null, dat.getUrl()));
+                        }));
+                return;
+            }
+            case AllOthers -> {
+                // fallthrough; TODO: put other intent data in separate cases
+            }
+        }
+
+        final PlayQueue newQueue = getPlayQueueFromCache(intent);
+        if (newQueue == null) {
             return;
         }
 
-        final PlaybackParameters savedParameters = retrievePlaybackParametersFromPrefs(this);
+        // branching parameters for below
-        final float playbackSpeed = savedParameters.speed;
-        final float playbackPitch = savedParameters.pitch;
-        final boolean playbackSkipSilence = getPrefs().getBoolean(getContext().getString(
-                R.string.playback_skip_silence_key), getPlaybackSkipSilence());
-
         final boolean samePlayQueue = playQueue != null && playQueue.equalStreamsAndIndex(newQueue);
-        final int repeatMode = intent.getIntExtra(REPEAT_MODE, getRepeatMode());
-        final boolean playWhenReady = intent.getBooleanExtra(PLAY_WHEN_READY, true);
 
         /*
          * TODO As seen in #7427 this does not work:
@@ -402,7 +494,7 @@ public final class Player implements PlaybackListener, Listener {
         if (!exoPlayerIsNull()
                 && newQueue.size() == 1 && newQueue.getItem() != null
                 && playQueue != null && playQueue.size() == 1 && playQueue.getItem() != null
-                && newQueue.getItem().getUrl().equals(playQueue.getItem().getUrl())
+                && newQueue.getItem().isSameItem(playQueue.getItem())
                 && newQueue.getItem().getRecoveryPosition() != PlayQueueItem.RECOVERY_UNSET) {
             // Player can have state = IDLE when playback is stopped or failed
             // and we should retry in this case
@@ -428,7 +520,8 @@ public final class Player implements PlaybackListener, Listener {
 
         } else if (intent.getBooleanExtra(RESUME_PLAYBACK, false)
                 && DependentPreferenceHelper.getResumePlaybackEnabled(context)
-                && !samePlayQueue
+                // !samePlayQueue
+                && (playQueue == null || !playQueue.equalStreamsAndIndex(newQueue))
                 && !newQueue.isEmpty()
                 && newQueue.getItem() != null
                 && newQueue.getItem().getRecoveryPosition() == PlayQueueItem.RECOVERY_UNSET) {
@@ -444,30 +537,30 @@ public final class Player implements PlaybackListener, Listener {
                                     newQueue.setRecovery(newQueue.getIndex(),
                                             state.getProgressMillis());
                                 }
-                                initPlayback(newQueue, repeatMode, playbackSpeed, playbackPitch,
+                                initPlayback(newQueue, playWhenReady);
-                                        playbackSkipSilence, playWhenReady);
                             },
                             error -> {
                                 if (DEBUG) {
                                     Log.w(TAG, "Failed to start playback", error);
                                 }
                                 // In case any error we can start playback without history
-                                initPlayback(newQueue, repeatMode, playbackSpeed, playbackPitch,
+                                initPlayback(newQueue, playWhenReady);
-                                        playbackSkipSilence, playWhenReady);
                             },
                             () -> {
                                 // Completed but not found in history
-                                initPlayback(newQueue, repeatMode, playbackSpeed, playbackPitch,
+                                initPlayback(newQueue, playWhenReady);
-                                        playbackSkipSilence, playWhenReady);
                             }
                     ));
         } else {
             // Good to go...
             // In a case of equal PlayQueues we can re-init old one but only when it is disposed
-            initPlayback(samePlayQueue ? playQueue : newQueue, repeatMode, playbackSpeed,
+            initPlayback(samePlayQueue ? playQueue : newQueue, playWhenReady);
-                    playbackPitch, playbackSkipSilence, playWhenReady);
         }
 
+    }
+
+
+    public void handleIntentPost(final PlayerType oldPlayerType) {
         if (oldPlayerType != playerType && playQueue != null) {
             // If playerType changes from one to another we should reload the player
             // (to disable/enable video stream or to set quality)
@@ -478,6 +571,19 @@ public final class Player implements PlaybackListener, Listener {
         NavigationHelper.sendPlayerStartedEvent(context);
     }
 
+    @Nullable
+    private static PlayQueue getPlayQueueFromCache(@NonNull final Intent intent) {
+        final String queueCache = intent.getStringExtra(PLAY_QUEUE_KEY);
+        if (queueCache == null) {
+            return null;
+        }
+        final PlayQueue newQueue = SerializedCache.getInstance().take(queueCache, PlayQueue.class);
+        if (newQueue == null) {
+            return null;
+        }
+        return newQueue;
+    }
+
     private void initUIsForCurrentPlayerType() {
         if ((UIs.get(MainPlayerUi.class).isPresent() && playerType == PlayerType.MAIN)
                 || (UIs.get(PopupPlayerUi.class).isPresent() && playerType == PlayerType.POPUP)) {
@@ -511,15 +617,13 @@ public final class Player implements PlaybackListener, Listener {
     }
 
     private void initPlayback(@NonNull final PlayQueue queue,
-                              @RepeatMode final int repeatMode,
-                              final float playbackSpeed,
-                              final float playbackPitch,
-                              final boolean playbackSkipSilence,
                               final boolean playOnReady) {
         destroyPlayer();
         initPlayer(playOnReady);
-        setRepeatMode(repeatMode);
+        final boolean playbackSkipSilence = getPrefs().getBoolean(getContext().getString(
-        setPlaybackParameters(playbackSpeed, playbackPitch, playbackSkipSilence);
+                R.string.playback_skip_silence_key), getPlaybackSkipSilence());
+        final PlaybackParameters savedParameters = retrievePlaybackParametersFromPrefs(this);
+        setPlaybackParameters(savedParameters.speed, savedParameters.pitch, playbackSkipSilence);
 
         playQueue = queue;
         playQueue.init();
@@ -609,6 +713,7 @@ public final class Player implements PlaybackListener, Listener {
 
         databaseUpdateDisposable.clear();
         progressUpdateDisposable.set(null);
+        streamItemDisposable.clear();
         cancelLoadingCurrentThumbnail();
 
         UIs.destroyAll(Object.class); // destroy every UI: obviously every UI extends Object
@@ -1175,16 +1280,25 @@ public final class Player implements PlaybackListener, Listener {
         return exoPlayerIsNull() ? REPEAT_MODE_OFF : simpleExoPlayer.getRepeatMode();
     }
 
-    public void setRepeatMode(@RepeatMode final int repeatMode) {
+    public void cycleNextRepeatMode() {
         if (!exoPlayerIsNull()) {
+            @RepeatMode final int repeatMode;
+            switch (simpleExoPlayer.getRepeatMode()) {
+                case REPEAT_MODE_OFF:
+                    repeatMode = REPEAT_MODE_ONE;
+                    break;
+                case REPEAT_MODE_ONE:
+                    repeatMode = REPEAT_MODE_ALL;
+                    break;
+                case REPEAT_MODE_ALL:
+                default:
+                    repeatMode = REPEAT_MODE_OFF;
+                    break;
+            }
             simpleExoPlayer.setRepeatMode(repeatMode);
         }
     }
 
-    public void cycleNextRepeatMode() {
-        setRepeatMode(nextRepeatMode(getRepeatMode()));
-    }
-
     @Override
     public void onRepeatModeChanged(@RepeatMode final int repeatMode) {
         if (DEBUG) {

app/src/main/java/org/schabi/newpipe/player/PlayerIntentType.kt

@@ -0,0 +1,26 @@
+package org.schabi.newpipe.player
+
+import android.os.Parcelable
+import kotlinx.parcelize.Parcelize
+
+// We model this as an enum class plus one struct for each enum value
+// so we can consume it from Java properly. After converting to Kotlin,
+// we could switch to a sealed enum class & a proper Kotlin `when` match.
+
+@Parcelize
+enum class PlayerIntentType : Parcelable {
+    Enqueue,
+    EnqueueNext,
+    TimestampChange,
+    AllOthers
+}
+
+/**
+ * A timestamp on the given was clicked and we should switch the playing stream to it.
+ */
+@Parcelize
+data class TimestampChangeData(
+    val serviceId: Int,
+    val url: String,
+    val seconds: Int
+) : Parcelable

app/src/main/java/org/schabi/newpipe/player/PlayerService.java

@@ -169,7 +169,9 @@ public final class PlayerService extends MediaBrowserServiceCompat {
         }
 
         if (player != null) {
+            final PlayerType oldPlayerType = player.getPlayerType();
             player.handleIntent(intent);
+            player.handleIntentPost(oldPlayerType);
             player.UIs().get(MediaSessionPlayerUi.class)
                     .ifPresent(ui -> ui.handleMediaButtonIntent(intent));
         }

app/src/main/java/org/schabi/newpipe/player/helper/PlayerHelper.java

@@ -1,8 +1,5 @@
 package org.schabi.newpipe.player.helper;
 
-import static com.google.android.exoplayer2.Player.REPEAT_MODE_ALL;
-import static com.google.android.exoplayer2.Player.REPEAT_MODE_OFF;
-import static com.google.android.exoplayer2.Player.REPEAT_MODE_ONE;
 import static org.schabi.newpipe.player.helper.PlayerHelper.AutoplayType.AUTOPLAY_TYPE_ALWAYS;
 import static org.schabi.newpipe.player.helper.PlayerHelper.AutoplayType.AUTOPLAY_TYPE_NEVER;
 import static org.schabi.newpipe.player.helper.PlayerHelper.AutoplayType.AUTOPLAY_TYPE_WIFI;
@@ -25,7 +22,6 @@ import androidx.core.content.ContextCompat;
 import androidx.preference.PreferenceManager;
 
 import com.google.android.exoplayer2.PlaybackParameters;
-import com.google.android.exoplayer2.Player.RepeatMode;
 import com.google.android.exoplayer2.SeekParameters;
 import com.google.android.exoplayer2.source.ProgressiveMediaSource;
 import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
@@ -410,23 +406,9 @@ public final class PlayerHelper {
         return singlePlayQueue;
     }
 
-
     // endregion
     // region Utils used by player
 
-    @RepeatMode
-    public static int nextRepeatMode(@RepeatMode final int repeatMode) {
-        switch (repeatMode) {
-            case REPEAT_MODE_OFF:
-                return REPEAT_MODE_ONE;
-            case REPEAT_MODE_ONE:
-                return REPEAT_MODE_ALL;
-            case REPEAT_MODE_ALL:
-            default:
-                return REPEAT_MODE_OFF;
-        }
-    }
-
     @ResizeMode
     public static int retrieveResizeModeFromPrefs(final Player player) {
         return player.getPrefs().getInt(player.getContext().getString(R.string.last_resize_mode),

app/src/main/java/org/schabi/newpipe/player/notification/NotificationUtil.java

@@ -23,6 +23,7 @@ import androidx.core.content.ContextCompat;
 import org.schabi.newpipe.MainActivity;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.player.Player;
+import org.schabi.newpipe.player.PlayerIntentType;
 import org.schabi.newpipe.player.mediasession.MediaSessionPlayerUi;
 import org.schabi.newpipe.util.NavigationHelper;
 
@@ -254,7 +255,9 @@ public final class NotificationUtil {
         } else {
             // We are playing in fragment. Don't open another activity just show fragment. That's it
             final Intent intent = NavigationHelper.getPlayerIntent(
-                    player.getContext(), MainActivity.class, null, true);
+                    player.getContext(), MainActivity.class, null,
+                    PlayerIntentType.AllOthers);
+            intent.putExtra(Player.RESUME_PLAYBACK, true);
             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
             intent.setAction(Intent.ACTION_MAIN);
             intent.addCategory(Intent.CATEGORY_LAUNCHER);

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueue.java

@@ -291,6 +291,22 @@ public abstract class PlayQueue implements Serializable {
         broadcast(new AppendEvent(itemList.size()));
     }
 
+    /**
+     * Add the given item after the current stream.
+     *
+     * @param item item to add.
+     * @param skipIfSame if set, skip adding if the next stream is the same stream.
+     */
+    public void enqueueNext(@NonNull final PlayQueueItem item, final boolean skipIfSame) {
+        final int currentIndex = getIndex();
+        // if the next item is the same item as the one we want to enqueue, skip if flag is true
+        if (skipIfSame && item.isSameItem(getItem(currentIndex + 1))) {
+            return;
+        }
+        append(List.of(item));
+        move(size() - 1, currentIndex + 1);
+    }
+
     /**
      * Removes the item at the given index from the play queue.
      * <p>
@@ -529,8 +545,7 @@ public abstract class PlayQueue implements Serializable {
             final PlayQueueItem stream = streams.get(i);
             final PlayQueueItem otherStream = other.streams.get(i);
             // Check is based on serviceId and URL
-            if (stream.getServiceId() != otherStream.getServiceId()
+            if (!stream.isSameItem(otherStream)) {
-                    || !stream.getUrl().equals(otherStream.getUrl())) {
                 return false;
             }
         }

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueueItem.java

@@ -38,7 +38,7 @@ public class PlayQueueItem implements Serializable {
     private long recoveryPosition;
     private Throwable error;
 
-    PlayQueueItem(@NonNull final StreamInfo info) {
+    public PlayQueueItem(@NonNull final StreamInfo info) {
         this(info.getName(), info.getUrl(), info.getServiceId(), info.getDuration(),
                 info.getThumbnails(), info.getUploaderName(),
                 info.getUploaderUrl(), info.getStreamType());
@@ -71,6 +71,22 @@ public class PlayQueueItem implements Serializable {
         this.recoveryPosition = RECOVERY_UNSET;
     }
 
+    /** Whether these two items should be treated as the same stream
+     * for the sake of keeping the same player running when e.g. jumping between timestamps.
+     *
+     * @param other the {@link PlayQueueItem} to compare against.
+     * @return whether the two items are the same so the stream can be re-used.
+     */
+    public boolean isSameItem(@Nullable final PlayQueueItem other) {
+        if (other == null) {
+            return false;
+        }
+        // We assume that the same service & URL uniquely determines
+        // that we can keep the same stream running.
+        return serviceId == other.serviceId
+                && url.equals(other.url);
+    }
+
     @NonNull
     public String getTitle() {
         return title;

app/src/main/java/org/schabi/newpipe/player/playqueue/SinglePlayQueue.java

@@ -16,7 +16,9 @@ public final class SinglePlayQueue extends PlayQueue {
     public SinglePlayQueue(final StreamInfo info) {
         super(0, List.of(new PlayQueueItem(info)));
     }
-
+    public SinglePlayQueue(final PlayQueueItem item) {
+        super(0, List.of(item));
+    }
     public SinglePlayQueue(final StreamInfo info, final long startPosition) {
         super(0, List.of(new PlayQueueItem(info)));
         getItem().setRecoveryPosition(startPosition);

app/src/main/java/org/schabi/newpipe/util/NavigationHelper.java

@@ -9,6 +9,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
+import android.os.Parcelable;
 import android.util.Log;
 import android.widget.Toast;
 
@@ -57,8 +58,10 @@ import org.schabi.newpipe.local.subscription.SubscriptionFragment;
 import org.schabi.newpipe.local.subscription.SubscriptionsImportFragment;
 import org.schabi.newpipe.player.PlayQueueActivity;
 import org.schabi.newpipe.player.Player;
+import org.schabi.newpipe.player.PlayerIntentType;
 import org.schabi.newpipe.player.PlayerService;
 import org.schabi.newpipe.player.PlayerType;
+import org.schabi.newpipe.player.TimestampChangeData;
 import org.schabi.newpipe.player.helper.PlayerHelper;
 import org.schabi.newpipe.player.helper.PlayerHolder;
 import org.schabi.newpipe.player.playqueue.PlayQueue;
@@ -85,7 +88,7 @@ public final class NavigationHelper {
     public static <T> Intent getPlayerIntent(@NonNull final Context context,
                                              @NonNull final Class<T> targetClazz,
                                              @Nullable final PlayQueue playQueue,
-                                             final boolean resumePlayback) {
+                                             @NonNull final PlayerIntentType playerIntentType) {
         final Intent intent = new Intent(context, targetClazz);
 
         if (playQueue != null) {
@@ -95,44 +98,31 @@ public final class NavigationHelper {
             }
         }
         intent.putExtra(Player.PLAYER_TYPE, PlayerType.MAIN.valueForIntent());
-        intent.putExtra(Player.RESUME_PLAYBACK, resumePlayback);
         intent.putExtra(PlayerService.SHOULD_START_FOREGROUND_EXTRA, true);
+        intent.putExtra(Player.PLAYER_INTENT_TYPE, (Parcelable) playerIntentType);
 
         return intent;
     }
 
     @NonNull
-    public static <T> Intent getPlayerIntent(@NonNull final Context context,
+    public static Intent getPlayerTimestampIntent(@NonNull final Context context,
-                                             @NonNull final Class<T> targetClazz,
+                                                   @NonNull final TimestampChangeData
-                                             @Nullable final PlayQueue playQueue,
+                                                           timestampChangeData) {
-                                             final boolean resumePlayback,
+        final Intent intent = new Intent(context, PlayerService.class);
-                                             final boolean playWhenReady) {
-        return getPlayerIntent(context, targetClazz, playQueue, resumePlayback)
-                .putExtra(Player.PLAY_WHEN_READY, playWhenReady);
-    }
 
-    @NonNull
+        intent.putExtra(Player.PLAYER_INTENT_TYPE, (Parcelable) PlayerIntentType.TimestampChange);
-    public static <T> Intent getPlayerEnqueueIntent(@NonNull final Context context,
+        intent.putExtra(Player.PLAYER_INTENT_DATA, timestampChangeData);
-                                                    @NonNull final Class<T> targetClazz,
+
-                                                    @Nullable final PlayQueue playQueue) {
+        return intent;
-        // when enqueueing `resumePlayback` is always `false` since:
-        // - if there is a video already playing, the value of `resumePlayback` just doesn't make
-        //   any difference.
-        // - if there is nothing already playing, it is useful for the enqueue action to have a
-        //   slightly different behaviour than the normal play action: the latter resumes playback,
-        //   the former doesn't. (note that enqueue can be triggered when nothing is playing only
-        //   by long pressing the video detail fragment, playlist or channel controls
-        return getPlayerIntent(context, targetClazz, playQueue, false)
-                .putExtra(Player.ENQUEUE, true);
     }
 
     @NonNull
     public static <T> Intent getPlayerEnqueueNextIntent(@NonNull final Context context,
                                                         @NonNull final Class<T> targetClazz,
                                                         @Nullable final PlayQueue playQueue) {
-        // see comment in `getPlayerEnqueueIntent` as to why `resumePlayback` is false
+        return getPlayerIntent(context, targetClazz, playQueue, PlayerIntentType.EnqueueNext)
-        return getPlayerIntent(context, targetClazz, playQueue, false)
+                // see comment in `getPlayerEnqueueIntent` as to why `resumePlayback` is false
-                .putExtra(Player.ENQUEUE_NEXT, true);
+                .putExtra(Player.RESUME_PLAYBACK, false);
     }
 
     /* PLAY */
@@ -166,8 +156,10 @@ public final class NavigationHelper {
 
         Toast.makeText(context, R.string.popup_playing_toast, Toast.LENGTH_SHORT).show();
 
-        final Intent intent = getPlayerIntent(context, PlayerService.class, queue, resumePlayback);
+        final Intent intent = getPlayerIntent(context, PlayerService.class, queue,
-        intent.putExtra(Player.PLAYER_TYPE, PlayerType.POPUP.valueForIntent());
+                PlayerIntentType.AllOthers);
+        intent.putExtra(Player.PLAYER_TYPE, PlayerType.POPUP.valueForIntent())
+                .putExtra(Player.RESUME_PLAYBACK, resumePlayback);
         ContextCompat.startForegroundService(context, intent);
     }
 
@@ -177,8 +169,10 @@ public final class NavigationHelper {
         Toast.makeText(context, R.string.background_player_playing_toast, Toast.LENGTH_SHORT)
                 .show();
 
-        final Intent intent = getPlayerIntent(context, PlayerService.class, queue, resumePlayback);
+        final Intent intent = getPlayerIntent(context, PlayerService.class, queue,
+                PlayerIntentType.AllOthers);
         intent.putExtra(Player.PLAYER_TYPE, PlayerType.AUDIO.valueForIntent());
+        intent.putExtra(Player.RESUME_PLAYBACK, resumePlayback);
         ContextCompat.startForegroundService(context, intent);
     }
 
@@ -191,7 +185,17 @@ public final class NavigationHelper {
         }
 
         Toast.makeText(context, R.string.enqueued, Toast.LENGTH_SHORT).show();
-        final Intent intent = getPlayerEnqueueIntent(context, PlayerService.class, queue);
+
+        // when enqueueing `resumePlayback` is always `false` since:
+        // - if there is a video already playing, the value of `resumePlayback` just doesn't make
+        //   any difference.
+        // - if there is nothing already playing, it is useful for the enqueue action to have a
+        //   slightly different behaviour than the normal play action: the latter resumes playback,
+        //   the former doesn't. (note that enqueue can be triggered when nothing is playing only
+        //   by long pressing the video detail fragment, playlist or channel controls
+        final Intent intent = getPlayerIntent(context, PlayerService.class, queue,
+                PlayerIntentType.Enqueue)
+                .putExtra(Player.RESUME_PLAYBACK, false);
 
         intent.putExtra(Player.PLAYER_TYPE, playerType.valueForIntent());
         ContextCompat.startForegroundService(context, intent);

app/src/main/java/org/schabi/newpipe/util/text/InternalUrlsHandler.java

@@ -1,63 +1,27 @@
 package org.schabi.newpipe.util.text;
 
 import android.content.Context;
+import android.content.Intent;
+import androidx.core.content.ContextCompat;
 
 import androidx.annotation.NonNull;
-
-import org.schabi.newpipe.MainActivity;
-import org.schabi.newpipe.error.ErrorInfo;
-import org.schabi.newpipe.error.ErrorUtil;
-import org.schabi.newpipe.error.UserAction;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.StreamingService;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.exceptions.ParsingException;
 import org.schabi.newpipe.extractor.linkhandler.LinkHandlerFactory;
-import org.schabi.newpipe.extractor.stream.StreamInfo;
+import org.schabi.newpipe.player.TimestampChangeData;
-import org.schabi.newpipe.player.playqueue.PlayQueue;
-import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
-import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.NavigationHelper;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
-import io.reactivex.rxjava3.core.Single;
-import io.reactivex.rxjava3.disposables.CompositeDisposable;
-import io.reactivex.rxjava3.schedulers.Schedulers;
-
 public final class InternalUrlsHandler {
-    private static final String TAG = InternalUrlsHandler.class.getSimpleName();
-    private static final boolean DEBUG = MainActivity.DEBUG;
-
     private static final Pattern AMPERSAND_TIMESTAMP_PATTERN = Pattern.compile("(.*)&t=(\\d+)");
-    private static final Pattern HASHTAG_TIMESTAMP_PATTERN =
-            Pattern.compile("(.*)#timestamp=(\\d+)");
 
     private InternalUrlsHandler() {
     }
 
-    /**
-     * Handle a YouTube timestamp comment URL in NewPipe.
-     * <p>
-     * This method will check if the provided url is a YouTube comment description URL ({@code
-     * https://www.youtube.com/watch?v=}video_id{@code #timestamp=}time_in_seconds). If yes, the
-     * popup player will be opened when the user will click on the timestamp in the comment,
-     * at the time and for the video indicated in the timestamp.
-     *
-     * @param disposables a field of the Activity/Fragment class that calls this method
-     * @param context     the context to use
-     * @param url         the URL to check if it can be handled
-     * @return true if the URL can be handled by NewPipe, false if it cannot
-     */
-    public static boolean handleUrlCommentsTimestamp(@NonNull final CompositeDisposable
-                                                             disposables,
-                                                     final Context context,
-                                                     @NonNull final String url) {
-        return handleUrl(context, url, HASHTAG_TIMESTAMP_PATTERN, disposables);
-    }
-
     /**
      * Handle a YouTube timestamp description URL in NewPipe.
      * <p>
@@ -66,36 +30,13 @@ public final class InternalUrlsHandler {
      * player will be opened when the user will click on the timestamp in the video description,
      * at the time and for the video indicated in the timestamp.
      *
-     * @param disposables a field of the Activity/Fragment class that calls this method
      * @param context     the context to use
      * @param url         the URL to check if it can be handled
      * @return true if the URL can be handled by NewPipe, false if it cannot
      */
-    public static boolean handleUrlDescriptionTimestamp(@NonNull final CompositeDisposable
+    public static boolean handleUrlDescriptionTimestamp(final Context context,
-                                                                disposables,
-                                                        final Context context,
                                                         @NonNull final String url) {
-        return handleUrl(context, url, AMPERSAND_TIMESTAMP_PATTERN, disposables);
+        final Matcher matcher = AMPERSAND_TIMESTAMP_PATTERN.matcher(url);
-    }
-
-    /**
-     * Handle an URL in NewPipe.
-     * <p>
-     * This method will check if the provided url can be handled in NewPipe or not. If this is a
-     * service URL with a timestamp, the popup player will be opened and true will be returned;
-     * else, false will be returned.
-     *
-     * @param context     the context to use
-     * @param url         the URL to check if it can be handled
-     * @param pattern     the pattern to use
-     * @param disposables a field of the Activity/Fragment class that calls this method
-     * @return true if the URL can be handled by NewPipe, false if it cannot
-     */
-    private static boolean handleUrl(final Context context,
-                                     @NonNull final String url,
-                                     @NonNull final Pattern pattern,
-                                     @NonNull final CompositeDisposable disposables) {
-        final Matcher matcher = pattern.matcher(url);
         if (!matcher.matches()) {
             return false;
         }
@@ -120,7 +61,7 @@ public final class InternalUrlsHandler {
         }
 
         if (linkType == StreamingService.LinkType.STREAM && seconds != -1) {
-            return playOnPopup(context, matchedUrl, service, seconds, disposables);
+            return playOnPopup(context, matchedUrl, service, seconds);
         } else {
             NavigationHelper.openRouterActivity(context, matchedUrl);
             return true;
@@ -134,15 +75,12 @@ public final class InternalUrlsHandler {
      * @param url         the URL of the content
      * @param service     the service of the content
      * @param seconds     the position in seconds at which the floating player will start
-     * @param disposables disposables created by the method are added here and their lifecycle
-     *                    should be handled by the calling class
      * @return true if the playback of the content has successfully started or false if not
      */
     public static boolean playOnPopup(final Context context,
                                       final String url,
                                       @NonNull final StreamingService service,
-                                      final int seconds,
+                                      final int seconds) {
-                                      @NonNull final CompositeDisposable disposables) {
         final LinkHandlerFactory factory = service.getStreamLHFactory();
         final String cleanUrl;
 
@@ -152,19 +90,14 @@ public final class InternalUrlsHandler {
             return false;
         }
 
-        final Single<StreamInfo> single =
+        final Intent intent = NavigationHelper.getPlayerTimestampIntent(context,
-                ExtractorHelper.getStreamInfo(service.getServiceId(), cleanUrl, false);
+                new TimestampChangeData(
-        disposables.add(single.subscribeOn(Schedulers.io())
+                        service.getServiceId(),
-                .observeOn(AndroidSchedulers.mainThread())
+                        cleanUrl,
-                .subscribe(info -> {
+                        seconds
-                    final PlayQueue playQueue = new SinglePlayQueue(info, seconds * 1000L);
+                ));
-                    NavigationHelper.playOnPopupPlayer(context, playQueue, false);
+        ContextCompat.startForegroundService(context, intent);
-                }, throwable -> {
+
-                    // This will only show a snackbar if the passed context has a root view:
-                    // otherwise it will resort to showing a notification, so we are safe here.
-                    ErrorUtil.showSnackbar(context,
-                            new ErrorInfo(throwable, UserAction.PLAY_ON_POPUP, url, null, url));
-                }));
         return true;
     }
 }

app/src/main/java/org/schabi/newpipe/util/text/TextLinkifier.java

@@ -192,7 +192,7 @@ public final class TextLinkifier {
      * <p>
      * Instead of using an {@link android.content.Intent#ACTION_VIEW} intent in the description of
      * a content, this method will parse the {@link CharSequence} and replace all current web links
-     * with {@link ShareUtils#openUrlInBrowser(Context, String, boolean)}.
+     * with {@link ShareUtils#openUrlInBrowser(Context, String)}.
      * </p>
      *
      * <p>
@@ -240,7 +240,7 @@ public final class TextLinkifier {
                     for (final URLSpan span : urls) {
                         final String url = span.getURL();
                         final LongPressClickableSpan longPressClickableSpan =
-                                new UrlLongPressClickableSpan(context, disposables, url);
+                                new UrlLongPressClickableSpan(context, url);
 
                         textBlockLinked.setSpan(longPressClickableSpan,
                                 textBlockLinked.getSpanStart(span),

app/src/main/java/org/schabi/newpipe/util/text/TimestampLongPressClickableSpan.java

@@ -46,7 +46,7 @@ final class TimestampLongPressClickableSpan extends LongPressClickableSpan {
     @Override
     public void onClick(@NonNull final View view) {
         playOnPopup(context, relatedStreamUrl, relatedInfoService,
-                timestampMatchDTO.seconds(), disposables);
+                timestampMatchDTO.seconds());
     }
 
     @Override

app/src/main/java/org/schabi/newpipe/util/text/UrlLongPressClickableSpan.java

@@ -7,29 +7,22 @@ import androidx.annotation.NonNull;
 
 import org.schabi.newpipe.util.external_communication.ShareUtils;
 
-import io.reactivex.rxjava3.disposables.CompositeDisposable;
-
 final class UrlLongPressClickableSpan extends LongPressClickableSpan {
 
     @NonNull
     private final Context context;
     @NonNull
-    private final CompositeDisposable disposables;
-    @NonNull
     private final String url;
 
     UrlLongPressClickableSpan(@NonNull final Context context,
-                              @NonNull final CompositeDisposable disposables,
                               @NonNull final String url) {
         this.context = context;
-        this.disposables = disposables;
         this.url = url;
     }
 
     @Override
     public void onClick(@NonNull final View view) {
-        if (!InternalUrlsHandler.handleUrlDescriptionTimestamp(
+        if (!InternalUrlsHandler.handleUrlDescriptionTimestamp(context, url)) {
-                disposables, context, url)) {
             ShareUtils.openUrlInApp(context, url);
         }
     }