64 lines
2.2 KiB
Kotlin
64 lines
2.2 KiB
Kotlin
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package sushi.hardcore.droidfs.file_viewers
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import androidx.appcompat.app.AlertDialog
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import com.google.android.exoplayer2.ExoPlaybackException
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import com.google.android.exoplayer2.Player
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import com.google.android.exoplayer2.SimpleExoPlayer
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import com.google.android.exoplayer2.source.LoopingMediaSource
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import com.google.android.exoplayer2.source.ProgressiveMediaSource
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import sushi.hardcore.droidfs.ConstValues
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import sushi.hardcore.droidfs.R
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import sushi.hardcore.droidfs.widgets.ColoredAlertDialog
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abstract class MediaPlayer: FileViewerActivity() {
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private lateinit var player: SimpleExoPlayer
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private var currentWindow = 0
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private var playbackPosition: Long = 0
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private lateinit var errorDialog: AlertDialog.Builder
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override fun viewFile() {
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errorDialog = ColoredAlertDialog(this)
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.setTitle(R.string.error)
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.setMessage(R.string.playing_failed)
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.setCancelable(false)
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.setPositiveButton(R.string.ok) { _, _ -> finish() }
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}
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abstract fun bindPlayer(player: SimpleExoPlayer)
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private fun initializePlayer(){
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player = SimpleExoPlayer.Builder(this).build()
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bindPlayer(player)
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val dataSourceFactory = GocryptfsDataSource.Factory(gocryptfsVolume, filePath)
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val mediaSource = ProgressiveMediaSource.Factory(dataSourceFactory).createMediaSource(ConstValues.fakeUri)
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player.seekTo(currentWindow, playbackPosition)
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player.playWhenReady = true
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player.addListener(object : Player.EventListener{
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override fun onPlayerError(error: ExoPlaybackException) {
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if (error.type == ExoPlaybackException.TYPE_SOURCE){
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errorDialog.show()
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}
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}
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})
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player.prepare(LoopingMediaSource(mediaSource), false, false)
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}
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private fun releasePlayer(){
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if (::player.isInitialized) {
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playbackPosition = player.currentPosition
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currentWindow = player.currentWindowIndex
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player.release()
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}
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}
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override fun onResume() {
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super.onResume()
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hideSystemUi()
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initializePlayer()
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}
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override fun onPause() {
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super.onPause()
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releasePlayer()
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}
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}
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