Merge "Remove redundant MediaPlayerData.getMediaData(...) method."

        val existingPlayer = MediaPlayerData.getMediaPlayer(key)

        val curVisibleMediaKey = MediaPlayerData.playerKeys()

                .elementAtOrNull(mediaCarouselScrollHandler.visibleMediaIndex)

        val isCurVisibleMediaPlaying = MediaPlayerData.getMediaData(curVisibleMediaKey)?.isPlaying

        val isCurVisibleMediaPlaying = curVisibleMediaKey?.data?.isPlaying

        if (existingPlayer == null) {

            val newPlayer = mediaControlPanelFactory.get()

            newPlayer.attachPlayer(MediaViewHolder.create(

        }

    }

    fun getMediaData(mediaSortKey: MediaSortKey?): MediaData? {

        mediaData.forEach { (key, value) ->

            if (value == mediaSortKey) {

                return mediaData[key]?.data

            }

        }

        return null

    }

    fun getMediaPlayer(key: String): MediaControlPanel? {

        return mediaData.get(key)?.let { mediaPlayers.get(it) }

    }