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Code Issues Releases Wiki Activity

Remove static field leaks on SeekBar, 

cleanup code and update baseline
This commit is contained in:
tzugen 2021-06-19 23:09:38 +02:00
parent d8b032e2e3
commit 8c2896ea16
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GPG Key ID: 61E9C34BC10EC930
5 changed files with 329 additions and 397 deletions
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456
ultrasonic/lint-baseline.xml
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220
ultrasonic/src/main/java/org/moire/ultrasonic/fragment/PlayerFragment.kt → ultrasonic/src/main/kotlin/org/moire/ultrasonic/fragment/PlayerFragment.kt
View File

@ -1,8 +1,14 @@
/*
* PlayerFragment.kt
* Copyright (C) 2009-2021 Ultrasonic developers
*
* Distributed under terms of the GNU GPLv3 license.
*/
package org.moire.ultrasonic.fragment
import android.annotation.SuppressLint
import android.app.AlertDialog
import android.content.Context
import android.graphics.Point
import android.graphics.drawable.Drawable
import android.os.Bundle
@ -31,6 +37,20 @@ import androidx.fragment.app.Fragment
import androidx.navigation.Navigation
import com.mobeta.android.dslv.DragSortListView
import com.mobeta.android.dslv.DragSortListView.DragSortListener
import java.text.DateFormat
import java.text.SimpleDateFormat
import java.util.ArrayList
import java.util.Date
import java.util.LinkedList
import java.util.Locale
import java.util.concurrent.Executors
import java.util.concurrent.ScheduledExecutorService
import java.util.concurrent.TimeUnit
import kotlin.math.abs
import kotlin.math.max
import org.koin.android.ext.android.inject
import org.koin.core.component.KoinComponent
import org.koin.core.component.get
import org.moire.ultrasonic.R
import org.moire.ultrasonic.audiofx.EqualizerController
import org.moire.ultrasonic.audiofx.VisualizerController
@ -42,6 +62,7 @@ import org.moire.ultrasonic.featureflags.Feature
import org.moire.ultrasonic.featureflags.FeatureStorage
import org.moire.ultrasonic.fragment.FragmentTitle.Companion.setTitle
import org.moire.ultrasonic.service.DownloadFile
import org.moire.ultrasonic.service.LocalMediaPlayer
import org.moire.ultrasonic.service.MediaPlayerController
import org.moire.ultrasonic.service.MusicServiceFactory.getMusicService
import org.moire.ultrasonic.subsonic.ImageLoaderProvider
@ -49,29 +70,19 @@ import org.moire.ultrasonic.subsonic.NetworkAndStorageChecker
import org.moire.ultrasonic.subsonic.ShareHandler
import org.moire.ultrasonic.util.CancellationToken
import org.moire.ultrasonic.util.Constants
import org.moire.ultrasonic.util.SilentBackgroundTask
import org.moire.ultrasonic.util.Util
import org.moire.ultrasonic.view.AutoRepeatButton
import org.moire.ultrasonic.view.SongListAdapter
import org.moire.ultrasonic.view.VisualizerView
import timber.log.Timber
import java.text.DateFormat
import java.text.SimpleDateFormat
import java.util.ArrayList
import java.util.Date
import java.util.LinkedList
import java.util.Locale
import java.util.concurrent.Executors
import java.util.concurrent.ScheduledExecutorService
import java.util.concurrent.TimeUnit
import kotlin.math.abs
import org.koin.android.ext.android.inject
import org.koin.core.component.KoinComponent
import org.koin.core.component.get
import org.moire.ultrasonic.util.SilentBackgroundTask
import kotlin.math.max
/**
* Contains the Music Player screen of Ultrasonic with playback controls and the playlist
*
* TODO: This class was more or less straight converted from Java legacy code.
* There are many places where further cleanup would be nice.
* The usage of threads and SilentBackgroundTask can be replaced with Coroutines.
*/
@Suppress("LargeClass", "TooManyFunctions", "MagicNumber")
class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinComponent {
@ -84,7 +95,6 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
private var isEqualizerAvailable = false
private var isVisualizerAvailable = false
// Detectors & Callbacks
private lateinit var gestureScanner: GestureDetector
private lateinit var cancellationToken: CancellationToken
@ -92,6 +102,7 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
// Data & Services
private val networkAndStorageChecker: NetworkAndStorageChecker by inject()
private val mediaPlayerController: MediaPlayerController by inject()
private val localMediaPlayer: LocalMediaPlayer by inject()
private val shareHandler: ShareHandler by inject()
private val imageLoaderProvider: ImageLoaderProvider by inject()
private lateinit var executorService: ScheduledExecutorService
@ -126,6 +137,7 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
private lateinit var repeatButton: ImageView
private lateinit var hollowStar: Drawable
private lateinit var fullStar: Drawable
private lateinit var progressBar: SeekBar
override fun onCreate(savedInstanceState: Bundle?) {
Util.applyTheme(this.context)
@ -133,7 +145,8 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
}
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
return inflater.inflate(R.layout.current_playing, container, false)
@ -163,7 +176,6 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
fiveStar3ImageView = view.findViewById(R.id.song_five_star_3)
fiveStar4ImageView = view.findViewById(R.id.song_five_star_4)
fiveStar5ImageView = view.findViewById(R.id.song_five_star_5)
}
@Suppress("LongMethod")
@ -183,6 +195,14 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
swipeVelocity = swipeDistance
gestureScanner = GestureDetector(context, this)
// The secondary progress is an indicator of how far the song is cached.
localMediaPlayer.secondaryProgress.observe(
viewLifecycleOwner,
{
progressBar.secondaryProgress = it
}
)
findViews(view)
val previousButton: AutoRepeatButton = view.findViewById(R.id.button_previous)
val nextButton: AutoRepeatButton = view.findViewById(R.id.button_next)
@ -311,11 +331,11 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
}
}
progressBar!!.setOnSeekBarChangeListener(object : OnSeekBarChangeListener {
progressBar.setOnSeekBarChangeListener(object : OnSeekBarChangeListener {
override fun onStopTrackingTouch(seekBar: SeekBar) {
object : SilentBackgroundTask<Void?>(activity) {
override fun doInBackground(): Void? {
mediaPlayerController.seekTo(progressBar!!.progress)
mediaPlayerController.seekTo(progressBar.progress)
return null
}
@ -328,7 +348,7 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
override fun onStartTrackingTouch(seekBar: SeekBar) {}
override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {}
})
playlistView.setOnItemClickListener { _, _, position, _ ->
networkAndStorageChecker.warnIfNetworkOrStorageUnavailable()
object : SilentBackgroundTask<Void?>(activity) {
@ -346,53 +366,59 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
registerForContextMenu(playlistView)
if (arguments != null && requireArguments().getBoolean(
Constants.INTENT_EXTRA_NAME_SHUFFLE,
false
)
Constants.INTENT_EXTRA_NAME_SHUFFLE,
false
)
) {
networkAndStorageChecker.warnIfNetworkOrStorageUnavailable()
mediaPlayerController.isShufflePlayEnabled = true
}
visualizerViewLayout.visibility = View.GONE
VisualizerController.get().observe(requireActivity(), { visualizerController ->
if (visualizerController != null) {
Timber.d("VisualizerController Observer.onChanged received controller")
visualizerView = VisualizerView(context)
visualizerViewLayout.addView(
visualizerView,
LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT
VisualizerController.get().observe(
requireActivity(),
{ visualizerController ->
if (visualizerController != null) {
Timber.d("VisualizerController Observer.onChanged received controller")
visualizerView = VisualizerView(context)
visualizerViewLayout.addView(
visualizerView,
LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT
)
)
)
if (!visualizerView.isActive) {
visualizerViewLayout.visibility = View.GONE
if (!visualizerView.isActive) {
visualizerViewLayout.visibility = View.GONE
} else {
visualizerViewLayout.visibility = View.VISIBLE
}
visualizerView.setOnTouchListener { _, _ ->
visualizerView.isActive = !visualizerView.isActive
mediaPlayerController.showVisualization = visualizerView.isActive
true
}
isVisualizerAvailable = true
} else {
visualizerViewLayout.visibility = View.VISIBLE
Timber.d("VisualizerController Observer.onChanged has no controller")
visualizerViewLayout.visibility = View.GONE
isVisualizerAvailable = false
}
visualizerView.setOnTouchListener { _, _ ->
visualizerView.isActive = !visualizerView.isActive
mediaPlayerController.showVisualization = visualizerView.isActive
true
}
isVisualizerAvailable = true
} else {
Timber.d("VisualizerController Observer.onChanged has no controller")
visualizerViewLayout.visibility = View.GONE
isVisualizerAvailable = false
}
})
)
EqualizerController.get().observe(requireActivity(), { equalizerController ->
isEqualizerAvailable = if (equalizerController != null) {
Timber.d("EqualizerController Observer.onChanged received controller")
true
} else {
Timber.d("EqualizerController Observer.onChanged has no controller")
false
EqualizerController.get().observe(
requireActivity(),
{ equalizerController ->
isEqualizerAvailable = if (equalizerController != null) {
Timber.d("EqualizerController Observer.onChanged received controller")
true
} else {
Timber.d("EqualizerController Observer.onChanged has no controller")
false
}
}
})
)
Thread {
try {
jukeboxAvailable = mediaPlayerController.isJukeboxAvailable
@ -423,7 +449,9 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
requireActivity().window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
}
visualizerView.isActive = mediaPlayerController.showVisualization
if (::visualizerView.isInitialized) {
visualizerView.isActive = mediaPlayerController.showVisualization
}
requireActivity().invalidateOptionsMenu()
}
@ -452,7 +480,9 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
override fun onPause() {
super.onPause()
executorService.shutdown()
visualizerView.isActive = false
if (::visualizerView.isInitialized) {
visualizerView.isActive = mediaPlayerController.showVisualization
}
}
override fun onDestroyView() {
@ -583,7 +613,8 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
bundle.putString(Constants.INTENT_EXTRA_NAME_NAME, entry.artist)
bundle.putString(Constants.INTENT_EXTRA_NAME_PARENT_ID, entry.artistId)
bundle.putBoolean(Constants.INTENT_EXTRA_NAME_ARTIST, true)
Navigation.findNavController(view!!).navigate(R.id.playerToSelectAlbum, bundle)
Navigation.findNavController(requireView())
.navigate(R.id.playerToSelectAlbum, bundle)
}
return true
}
@ -597,7 +628,8 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
bundle.putString(Constants.INTENT_EXTRA_NAME_NAME, entry.album)
bundle.putString(Constants.INTENT_EXTRA_NAME_PARENT_ID, entry.parent)
bundle.putBoolean(Constants.INTENT_EXTRA_NAME_IS_ALBUM, true)
Navigation.findNavController(view!!).navigate(R.id.playerToSelectAlbum, bundle)
Navigation.findNavController(requireView())
.navigate(R.id.playerToSelectAlbum, bundle)
return true
}
R.id.menu_lyrics -> {
@ -607,7 +639,7 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
bundle = Bundle()
bundle.putString(Constants.INTENT_EXTRA_NAME_ARTIST, entry.artist)
bundle.putString(Constants.INTENT_EXTRA_NAME_TITLE, entry.title)
Navigation.findNavController(view!!).navigate(R.id.playerToLyrics, bundle)
Navigation.findNavController(requireView()).navigate(R.id.playerToLyrics, bundle)
return true
}
R.id.menu_remove -> {
@ -616,11 +648,12 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
return true
}
R.id.menu_item_screen_on_off -> {
val window = requireActivity().window
if (mediaPlayerController.keepScreenOn) {
activity!!.window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
mediaPlayerController.keepScreenOn = false
} else {
activity!!.window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
mediaPlayerController.keepScreenOn = true
}
return true
@ -631,7 +664,7 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
return true
}
R.id.menu_item_equalizer -> {
Navigation.findNavController(view!!).navigate(R.id.playerToEqualizer)
Navigation.findNavController(requireView()).navigate(R.id.playerToEqualizer)
return true
}
R.id.menu_item_visualizer -> {
@ -645,7 +678,8 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
mediaPlayerController.showVisualization = visualizerView.isActive
Util.toast(
context,
if (active) R.string.download_visualizer_on else R.string.download_visualizer_off
if (active) R.string.download_visualizer_on
else R.string.download_visualizer_off
)
return true
}
@ -654,7 +688,8 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
mediaPlayerController.isJukeboxEnabled = jukeboxEnabled
Util.toast(
context,
if (jukeboxEnabled) R.string.download_jukebox_on else R.string.download_jukebox_off,
if (jukeboxEnabled) R.string.download_jukebox_on
else R.string.download_jukebox_off,
false
)
return true
@ -718,7 +753,10 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
Timber.e(all)
}
}.start()
val msg = resources.getString(R.string.download_bookmark_set_at_position, bookmarkTime)
val msg = resources.getString(
R.string.download_bookmark_set_at_position,
bookmarkTime
)
Util.toast(context, msg)
return true
}
@ -788,7 +826,8 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
override fun error(error: Throwable) {
Timber.e(error, "Exception has occurred in savePlaylistInBackground")
val msg = String.format(Locale.ROOT,
val msg = String.format(
Locale.ROOT,
"%s %s",
resources.getString(R.string.download_playlist_error),
getErrorMessage(error)
@ -818,8 +857,9 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
private fun start() {
val service = mediaPlayerController
val state = service.playerState
if (state === PlayerState.PAUSED
|| state === PlayerState.COMPLETED || state === PlayerState.STOPPED) {
if (state === PlayerState.PAUSED ||
state === PlayerState.COMPLETED || state === PlayerState.STOPPED
) {
service.start()
} else if (state === PlayerState.IDLE) {
networkAndStorageChecker.warnIfNetworkOrStorageUnavailable()
@ -947,16 +987,16 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
val millisTotal = if (duration == null) 0 else duration!!
positionTextView.text = Util.formatTotalDuration(millisPlayed.toLong(), true)
durationTextView.text = Util.formatTotalDuration(millisTotal.toLong(), true)
progressBar!!.max =
progressBar.max =
if (millisTotal == 0) 100 else millisTotal // Work-around for apparent bug.
progressBar!!.progress = millisPlayed
progressBar!!.isEnabled = currentPlaying!!.isWorkDone || isJukeboxEnabled
progressBar.progress = millisPlayed
progressBar.isEnabled = currentPlaying!!.isWorkDone || isJukeboxEnabled
} else {
positionTextView.setText(R.string.util_zero_time)
durationTextView.setText(R.string.util_no_time)
progressBar!!.progress = 0
progressBar!!.max = 0
progressBar!!.isEnabled = false
progressBar.progress = 0
progressBar.max = 0
progressBar.isEnabled = false
}
when (playerState) {
@ -1034,7 +1074,7 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
}
override fun done(result: Void?) {
progressBar!!.progress = seekTo
progressBar.progress = seekTo
}
}.execute()
}
@ -1109,8 +1149,12 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
}
private fun displaySongRating() {
val rating =
if (currentSong == null || currentSong!!.userRating == null) 0 else currentSong!!.userRating!!
var rating = 0
if (currentSong?.userRating != null) {
rating = currentSong!!.userRating!!
}
fiveStar1ImageView.setImageDrawable(if (rating > 0) fullStar else hollowStar)
fiveStar2ImageView.setImageDrawable(if (rating > 1) fullStar else hollowStar)
fiveStar3ImageView.setImageDrawable(if (rating > 2) fullStar else hollowStar)
@ -1125,15 +1169,10 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
}
private fun showSavePlaylistDialog() {
val layoutInflater =
requireContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
val layout = layoutInflater.inflate(
R.layout.save_playlist,
requireActivity().findViewById<View>(R.id.save_playlist_root) as ViewGroup
)
if (layout != null) {
playlistNameView = layout.findViewById(R.id.save_playlist_name)
}
val layout = LayoutInflater.from(this.context).inflate(R.layout.save_playlist, null)
playlistNameView = layout.findViewById(R.id.save_playlist_name)
val builder: AlertDialog.Builder = AlertDialog.Builder(context)
builder.setTitle(R.string.download_playlist_title)
builder.setMessage(R.string.download_playlist_name)
@ -1160,8 +1199,5 @@ class PlayerFragment : Fragment(), GestureDetector.OnGestureListener, KoinCompon
companion object {
private const val PERCENTAGE_OF_SCREEN_FOR_SWIPE = 5
var progressBar // TODO: Refactor this to not be static
: SeekBar? = null
private set
}
}

23
ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/LocalMediaPlayer.kt
View File

@ -20,6 +20,7 @@ import android.os.Looper
import android.os.PowerManager
import android.os.PowerManager.PARTIAL_WAKE_LOCK
import android.os.PowerManager.WakeLock
import androidx.lifecycle.MutableLiveData
import java.io.File
import java.net.URLEncoder
import java.util.Locale
@ -29,7 +30,6 @@ import org.moire.ultrasonic.audiofx.EqualizerController
import org.moire.ultrasonic.audiofx.VisualizerController
import org.moire.ultrasonic.data.ActiveServerProvider.Companion.isOffline
import org.moire.ultrasonic.domain.PlayerState
import org.moire.ultrasonic.fragment.PlayerFragment
import org.moire.ultrasonic.util.CancellableTask
import org.moire.ultrasonic.util.Constants
import org.moire.ultrasonic.util.StreamProxy
@ -79,10 +79,12 @@ class LocalMediaPlayer(
private var proxy: StreamProxy? = null
private var bufferTask: CancellableTask? = null
private var positionCache: PositionCache? = null
private var secondaryProgress = -1
private val pm = context.getSystemService(POWER_SERVICE) as PowerManager
private val wakeLock: WakeLock = pm.newWakeLock(PARTIAL_WAKE_LOCK, this.javaClass.name)
val secondaryProgress: MutableLiveData<Int> = MutableLiveData(0)
fun init() {
Thread {
Thread.currentThread().name = "MediaPlayerThread"
@ -357,7 +359,6 @@ class LocalMediaPlayer(
downloadFile.updateModificationDate()
mediaPlayer.setOnCompletionListener(null)
secondaryProgress = -1 // Ensure seeking in non StreamProxy playback works
setPlayerState(PlayerState.IDLE)
setAudioAttributes(mediaPlayer)
@ -388,28 +389,28 @@ class LocalMediaPlayer(
setPlayerState(PlayerState.PREPARING)
mediaPlayer.setOnBufferingUpdateListener { mp, percent ->
val progressBar = PlayerFragment.progressBar
val song = downloadFile.song
if (percent == 100) {
mp.setOnBufferingUpdateListener(null)
}
secondaryProgress = (percent.toDouble() / 100.toDouble() * progressBar.max).toInt()
// The secondary progress is an indicator of how far the song is cached.
if (song.transcodedContentType == null && Util.getMaxBitRate() == 0) {
progressBar?.secondaryProgress = secondaryProgress
val progress = (percent.toDouble() / 100.toDouble() * playerDuration).toInt()
secondaryProgress.postValue(progress)
}
}
mediaPlayer.setOnPreparedListener {
Timber.i("Media player prepared")
setPlayerState(PlayerState.PREPARED)
val progressBar = PlayerFragment.progressBar
if (progressBar != null && downloadFile.isWorkDone) {
// Populate seek bar secondary progress if we have a complete file for consistency
PlayerFragment.progressBar.secondaryProgress = 100 * progressBar.max
// Populate seek bar secondary progress if we have a complete file for consistency
if (downloadFile.isWorkDone) {
secondaryProgress.postValue(playerDuration)
}
synchronized(this@LocalMediaPlayer) {
if (position != 0) {
Timber.i("Restarting player from position %d", position)

6
ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaPlayerController.kt
View File

@ -386,12 +386,6 @@ class MediaPlayerController(
@get:Synchronized
val playerDuration: Int
get() {
if (localMediaPlayer.currentPlaying != null) {
val duration = localMediaPlayer.currentPlaying!!.song.duration
if (duration != null) {
return duration * 1000
}
}
val mediaPlayerService = runningInstance ?: return 0
return mediaPlayerService.playerDuration
}

21
ultrasonic/src/main/java/org/moire/ultrasonic/util/SilentBackgroundTask.kt → ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/SilentBackgroundTask.kt
View File

@ -1,21 +1,10 @@
/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2010 (C) Sindre Mehus
* SilentBackgroundTask.kt
* Copyright (C) 2009-2021 Ultrasonic developers
*
* Distributed under terms of the GNU GPLv3 license.
*/
package org.moire.ultrasonic.util
import android.app.Activity