DroidFS/app/src/main/java/sushi/hardcore/droidfs/file_viewers/MediaPlayer.kt

82 lines
3.2 KiB
Kotlin

package sushi.hardcore.droidfs.file_viewers
import android.view.WindowManager
import com.google.android.exoplayer2.*
import com.google.android.exoplayer2.extractor.DefaultExtractorsFactory
import com.google.android.exoplayer2.source.MediaSource
import com.google.android.exoplayer2.source.ProgressiveMediaSource
import com.google.android.exoplayer2.video.VideoSize
import sushi.hardcore.droidfs.ConstValues
import sushi.hardcore.droidfs.R
import sushi.hardcore.droidfs.widgets.CustomAlertDialogBuilder
import java.io.File
abstract class MediaPlayer: FileViewerActivity() {
private lateinit var player: ExoPlayer
override fun viewFile() {
supportActionBar?.hide()
initializePlayer()
refreshFileName()
}
abstract fun bindPlayer(player: ExoPlayer)
abstract fun onNewFileName(fileName: String)
protected open fun onVideoSizeChanged(width: Int, height: Int) {}
private fun createMediaSource(filePath: String): MediaSource {
val dataSourceFactory = GocryptfsDataSource.Factory(gocryptfsVolume, filePath)
return ProgressiveMediaSource.Factory(dataSourceFactory, DefaultExtractorsFactory())
.createMediaSource(MediaItem.fromUri(ConstValues.FAKE_URI))
}
private fun initializePlayer(){
player = ExoPlayer.Builder(this).setSeekForwardIncrementMs(5000).build()
bindPlayer(player)
createPlaylist()
for (e in mappedPlaylist) {
player.addMediaSource(createMediaSource(e.fullPath))
}
player.repeatMode = Player.REPEAT_MODE_ALL
player.seekToDefaultPosition(currentPlaylistIndex)
player.playWhenReady = true
player.addListener(object : Player.Listener{
override fun onVideoSizeChanged(videoSize: VideoSize) {
onVideoSizeChanged(videoSize.width, videoSize.height)
}
override fun onPlayerError(error: PlaybackException) {
CustomAlertDialogBuilder(this@MediaPlayer, themeValue)
.setTitle(R.string.error)
.setMessage(getString(R.string.playing_failed, error.errorCodeName))
.setCancelable(false)
.setPositiveButton(R.string.ok) { _, _ -> goBackToExplorer()}
.show()
}
override fun onIsPlayingChanged(isPlaying: Boolean) {
if (isPlaying){
window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
} else {
window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
}
}
override fun onPositionDiscontinuity(reason: Int) {
if (player.currentMediaItemIndex != currentPlaylistIndex) {
playlistNext(player.currentMediaItemIndex == (currentPlaylistIndex+1) % mappedPlaylist.size)
refreshFileName()
}
}
})
player.prepare()
}
override fun onDestroy() {
super.onDestroy()
if (::player.isInitialized) {
player.release()
}
}
private fun refreshFileName() {
onNewFileName(File(filePath).name)
}
}