mirror of
https://github.com/antebudimir/tempus.git
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316 lines
12 KiB
Kotlin
316 lines
12 KiB
Kotlin
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package com.cappielloantonio.tempo.service
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import android.annotation.SuppressLint
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import android.app.PendingIntent.FLAG_IMMUTABLE
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import android.app.PendingIntent.FLAG_UPDATE_CURRENT
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import android.app.TaskStackBuilder
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import android.content.Intent
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import android.os.Bundle
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import androidx.media3.cast.CastPlayer
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import androidx.media3.cast.SessionAvailabilityListener
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import androidx.media3.common.*
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import androidx.media3.common.util.UnstableApi
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import androidx.media3.exoplayer.ExoPlayer
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import androidx.media3.exoplayer.source.DefaultMediaSourceFactory
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import androidx.media3.session.*
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import androidx.media3.session.MediaSession.ControllerInfo
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import com.cappielloantonio.tempo.R
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import com.cappielloantonio.tempo.ui.activity.MainActivity
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import com.cappielloantonio.tempo.util.Constants
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import com.cappielloantonio.tempo.util.DownloadUtil
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import com.cappielloantonio.tempo.util.UIUtil
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import com.google.android.gms.cast.framework.CastContext
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import com.google.common.collect.ImmutableList
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import com.google.common.util.concurrent.Futures
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import com.google.common.util.concurrent.ListenableFuture
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@UnstableApi
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class MediaService : MediaLibraryService(), SessionAvailabilityListener {
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private val librarySessionCallback = CustomMediaLibrarySessionCallback()
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private lateinit var player: ExoPlayer
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private lateinit var castPlayer: CastPlayer
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private lateinit var mediaLibrarySession: MediaLibrarySession
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private lateinit var customCommands: List<CommandButton>
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private var customLayout = ImmutableList.of<CommandButton>()
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companion object {
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private const val CUSTOM_COMMAND_TOGGLE_SHUFFLE_MODE_ON =
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"android.media3.session.demo.SHUFFLE_ON"
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private const val CUSTOM_COMMAND_TOGGLE_SHUFFLE_MODE_OFF =
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"android.media3.session.demo.SHUFFLE_OFF"
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}
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override fun onCreate() {
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super.onCreate()
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initializeCustomCommands()
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initializePlayer()
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initializeCastPlayer()
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initializeMediaLibrarySession()
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initializePlayerListener()
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setPlayer(
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null,
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if (this::castPlayer.isInitialized && castPlayer.isCastSessionAvailable) castPlayer else player
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)
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}
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override fun onGetSession(controllerInfo: ControllerInfo): MediaLibrarySession {
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return mediaLibrarySession
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}
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override fun onDestroy() {
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releasePlayer()
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super.onDestroy()
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}
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private inner class CustomMediaLibrarySessionCallback : MediaLibrarySession.Callback {
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override fun onConnect(
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session: MediaSession,
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controller: ControllerInfo
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): MediaSession.ConnectionResult {
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val connectionResult = super.onConnect(session, controller)
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val availableSessionCommands = connectionResult.availableSessionCommands.buildUpon()
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customCommands.forEach { commandButton ->
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// TODO: Aggiungere i comandi personalizzati
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// commandButton.sessionCommand?.let { availableSessionCommands.add(it) }
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}
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return MediaSession.ConnectionResult.accept(
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availableSessionCommands.build(),
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connectionResult.availablePlayerCommands
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)
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}
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override fun onPostConnect(session: MediaSession, controller: ControllerInfo) {
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if (!customLayout.isEmpty() && controller.controllerVersion != 0) {
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ignoreFuture(mediaLibrarySession.setCustomLayout(controller, customLayout))
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}
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}
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override fun onCustomCommand(
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session: MediaSession,
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controller: ControllerInfo,
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customCommand: SessionCommand,
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args: Bundle
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): ListenableFuture<SessionResult> {
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if (CUSTOM_COMMAND_TOGGLE_SHUFFLE_MODE_ON == customCommand.customAction) {
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player.shuffleModeEnabled = true
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customLayout = ImmutableList.of(customCommands[1])
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session.setCustomLayout(customLayout)
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} else if (CUSTOM_COMMAND_TOGGLE_SHUFFLE_MODE_OFF == customCommand.customAction) {
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player.shuffleModeEnabled = false
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customLayout = ImmutableList.of(customCommands[0])
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session.setCustomLayout(customLayout)
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}
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return Futures.immediateFuture(SessionResult(SessionResult.RESULT_SUCCESS))
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}
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/* override fun onGetLibraryRoot(
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session: MediaLibrarySession,
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browser: ControllerInfo,
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params: LibraryParams?
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): ListenableFuture<LibraryResult<MediaItem>> {
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return Futures.immediateFuture(LibraryResult.ofItem(MediaItemTree.getRootItem(), params))
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}
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override fun onGetItem(
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session: MediaLibrarySession,
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browser: ControllerInfo,
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mediaId: String
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): ListenableFuture<LibraryResult<MediaItem>> {
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val item =
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MediaItemTree.getItem(mediaId)
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?: return Futures.immediateFuture(
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LibraryResult.ofError(LibraryResult.RESULT_ERROR_BAD_VALUE)
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)
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return Futures.immediateFuture(LibraryResult.ofItem(item, /* params= */ null))
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}
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override fun onSubscribe(
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session: MediaLibrarySession,
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browser: ControllerInfo,
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parentId: String,
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params: LibraryParams?
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): ListenableFuture<LibraryResult<Void>> {
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val children =
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MediaItemTree.getChildren(parentId)
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?: return Futures.immediateFuture(
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LibraryResult.ofError(LibraryResult.RESULT_ERROR_BAD_VALUE)
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)
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session.notifyChildrenChanged(browser, parentId, children.size, params)
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return Futures.immediateFuture(LibraryResult.ofVoid())
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}
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override fun onGetChildren(
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session: MediaLibrarySession,
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browser: ControllerInfo,
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parentId: String,
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page: Int,
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pageSize: Int,
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params: LibraryParams?
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): ListenableFuture<LibraryResult<ImmutableList<MediaItem>>> {
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val children =
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MediaItemTree.getChildren(parentId)
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?: return Futures.immediateFuture(
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LibraryResult.ofError(LibraryResult.RESULT_ERROR_BAD_VALUE)
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)
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return Futures.immediateFuture(LibraryResult.ofItemList(children, params))
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}*/
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override fun onAddMediaItems(
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mediaSession: MediaSession,
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controller: ControllerInfo,
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mediaItems: List<MediaItem>
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): ListenableFuture<List<MediaItem>> {
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val updatedMediaItems = mediaItems.map {
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it.buildUpon()
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.setUri(it.requestMetadata.mediaUri)
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.setMediaMetadata(it.mediaMetadata)
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.setMimeType(MimeTypes.BASE_TYPE_AUDIO)
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.build()
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}
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return Futures.immediateFuture(updatedMediaItems)
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}
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}
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private fun initializeCustomCommands() {
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customCommands =
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listOf(
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getShuffleCommandButton(
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SessionCommand(CUSTOM_COMMAND_TOGGLE_SHUFFLE_MODE_ON, Bundle.EMPTY)
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),
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getShuffleCommandButton(
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SessionCommand(CUSTOM_COMMAND_TOGGLE_SHUFFLE_MODE_OFF, Bundle.EMPTY)
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)
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)
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customLayout = ImmutableList.of(customCommands[0])
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}
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private fun initializePlayer() {
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player = ExoPlayer.Builder(this)
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.setRenderersFactory(getRenderersFactory())
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.setMediaSourceFactory(getMediaSourceFactory())
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.setAudioAttributes(AudioAttributes.DEFAULT, true)
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.setHandleAudioBecomingNoisy(true)
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.setWakeMode(C.WAKE_MODE_NETWORK)
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.build()
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}
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private fun initializeCastPlayer() {
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if (UIUtil.isCastApiAvailable(this)) {
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castPlayer = CastPlayer(CastContext.getSharedInstance(this))
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castPlayer.setSessionAvailabilityListener(this)
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}
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}
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private fun initializeMediaLibrarySession() {
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val sessionActivityPendingIntent =
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TaskStackBuilder.create(this).run {
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addNextIntent(Intent(this@MediaService, MainActivity::class.java))
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getPendingIntent(0, FLAG_IMMUTABLE or FLAG_UPDATE_CURRENT)
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}
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mediaLibrarySession =
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MediaLibrarySession.Builder(this, player, librarySessionCallback)
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.setSessionActivity(sessionActivityPendingIntent)
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.build()
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if (!customLayout.isEmpty()) {
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mediaLibrarySession.setCustomLayout(customLayout)
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}
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}
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private fun initializePlayerListener() {
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player.addListener(object : Player.Listener {
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override fun onMediaItemTransition(mediaItem: MediaItem?, reason: Int) {
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if (mediaItem == null) return
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if(reason == Player.MEDIA_ITEM_TRANSITION_REASON_SEEK || reason == Player.MEDIA_ITEM_TRANSITION_REASON_AUTO) {
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MediaManager.setLastPlayedTimestamp(mediaItem)
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}
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}
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override fun onIsPlayingChanged(isPlaying: Boolean) {
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if (!isPlaying) {
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MediaManager.setPlayingPausedTimestamp(
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player.currentMediaItem,
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player.currentPosition
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)
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}
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}
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override fun onPositionDiscontinuity(
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oldPosition: Player.PositionInfo,
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newPosition: Player.PositionInfo,
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reason: Int
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) {
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super.onPositionDiscontinuity(oldPosition, newPosition, reason)
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if(reason == Player.DISCONTINUITY_REASON_AUTO_TRANSITION) {
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if (oldPosition.mediaItem?.mediaMetadata?.extras?.getString("type") == Constants.MEDIA_TYPE_MUSIC) {
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MediaManager.scrobble(oldPosition.mediaItem)
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MediaManager.saveChronology(oldPosition.mediaItem)
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}
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if (newPosition.mediaItem?.mediaMetadata?.extras?.getString("type") == Constants.MEDIA_TYPE_MUSIC) {
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MediaManager.setLastPlayedTimestamp(newPosition.mediaItem)
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}
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}
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}
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})
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}
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private fun setPlayer(oldPlayer: Player?, newPlayer: Player) {
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if (oldPlayer === newPlayer) return
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oldPlayer?.stop()
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mediaLibrarySession.player = newPlayer
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}
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private fun releasePlayer() {
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if (this::castPlayer.isInitialized) castPlayer.setSessionAvailabilityListener(null)
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if (this::castPlayer.isInitialized) castPlayer.release()
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player.release()
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mediaLibrarySession.release()
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}
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@SuppressLint("PrivateResource")
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private fun getShuffleCommandButton(sessionCommand: SessionCommand): CommandButton {
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val isOn = sessionCommand.customAction == CUSTOM_COMMAND_TOGGLE_SHUFFLE_MODE_ON
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return CommandButton.Builder()
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.setDisplayName(
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getString(
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if (isOn) R.string.exo_controls_shuffle_on_description
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else R.string.exo_controls_shuffle_off_description
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)
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)
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.setSessionCommand(sessionCommand)
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.setIconResId(if (isOn) R.drawable.exo_icon_shuffle_off else R.drawable.exo_icon_shuffle_on)
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.build()
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}
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private fun ignoreFuture(customLayout: ListenableFuture<SessionResult>) {
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/* Do nothing. */
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}
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private fun getRenderersFactory() = DownloadUtil.buildRenderersFactory(this, false)
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private fun getMediaSourceFactory() =
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DefaultMediaSourceFactory(this).setDataSourceFactory(DownloadUtil.getDataSourceFactory(this))
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override fun onCastSessionAvailable() {
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setPlayer(player, castPlayer)
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}
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override fun onCastSessionUnavailable() {
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setPlayer(castPlayer, player)
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}
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}
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