Created
November 27, 2024 17:23
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PlayerWithoutSeekToNext using media3's ForwardingPlayer
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| private class PlayerWithoutSeekToNext(player: Player) : ForwardingPlayer(player) { | |
| override fun addListener(listener: Player.Listener) { | |
| super.addListener(ForwardingListener(listener)) | |
| } | |
| // MyForwardingListener delegates equals() and hashcode(), so we don't need to override | |
| // removeListener because passing the 'outer' listener straight through will remove the | |
| // correct 'inner' listener. | |
| override fun isCommandAvailable(command: Int): Boolean { | |
| return command != COMMAND_SEEK_TO_NEXT && super.isCommandAvailable(command) | |
| } | |
| override fun getAvailableCommands(): Player.Commands { | |
| return super.getAvailableCommands().buildUpon().remove(COMMAND_SEEK_TO_NEXT).build() | |
| } | |
| override fun seekToNext() { | |
| // Disable the seekToNext operation | |
| } | |
| private class ForwardingListener(val delegate: Player.Listener) : Player.Listener { | |
| private lateinit var previouslyNotifiedCommandsFromIndividualCallback: Player.Commands | |
| private lateinit var previouslyNotifiedCommandsFromOnEvents: Player.Commands | |
| override fun onAvailableCommandsChanged(availableCommands: Player.Commands) { | |
| val filteredCommands = | |
| availableCommands.buildUpon().remove(Player.COMMAND_SEEK_TO_NEXT).build() | |
| if ( | |
| !::previouslyNotifiedCommandsFromIndividualCallback.isInitialized || | |
| previouslyNotifiedCommandsFromIndividualCallback != filteredCommands | |
| ) { | |
| delegate.onAvailableCommandsChanged(filteredCommands) | |
| previouslyNotifiedCommandsFromIndividualCallback = filteredCommands | |
| } | |
| } | |
| override fun onEvents(player: Player, events: Player.Events) { | |
| val eventsToNotify: Player.Events | |
| if ( | |
| events.contains(Player.EVENT_AVAILABLE_COMMANDS_CHANGED) && | |
| ::previouslyNotifiedCommandsFromOnEvents.isInitialized && | |
| previouslyNotifiedCommandsFromOnEvents == player.availableCommands | |
| ) { | |
| if (events.size() == 1) { | |
| // The only event was EVENT_AVAILABLE_COMMANDS_CHANGED and the filtered commands didn't | |
| // change | |
| return | |
| } | |
| val filteredEventFlags = FlagSet.Builder() | |
| for (i in 0..<events.size()) { | |
| if (events.get(i) != Player.EVENT_AVAILABLE_COMMANDS_CHANGED) { | |
| filteredEventFlags.add(events.get(i)) | |
| } | |
| } | |
| eventsToNotify = Player.Events(filteredEventFlags.build()) | |
| } else { | |
| eventsToNotify = events | |
| } | |
| delegate.onEvents(player, eventsToNotify) | |
| previouslyNotifiedCommandsFromOnEvents = player.availableCommands | |
| } | |
| override fun equals(other: Any?): Boolean { | |
| return delegate == other | |
| } | |
| override fun hashCode(): Int { | |
| return delegate.hashCode() | |
| } | |
| } | |
| } |
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