104 lines
3.6 KiB
Kotlin
104 lines
3.6 KiB
Kotlin
package com.github.apognu.otter.playback
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import android.content.Context
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import android.content.Intent
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import android.os.Bundle
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import android.os.ResultReceiver
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import android.support.v4.media.session.MediaSessionCompat
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import android.support.v4.media.session.PlaybackStateCompat
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import android.view.KeyEvent
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import com.github.apognu.otter.Otter
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import com.github.apognu.otter.utils.Command
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import com.github.apognu.otter.utils.CommandBus
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import com.google.android.exoplayer2.ControlDispatcher
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import com.google.android.exoplayer2.Player
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import com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector
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class MediaSession(private val context: Context) {
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var active: Boolean = false
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private val playbackStateBuilder = PlaybackStateCompat.Builder().apply {
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setActions(
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PlaybackStateCompat.ACTION_PLAY_PAUSE or
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PlaybackStateCompat.ACTION_PLAY or
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PlaybackStateCompat.ACTION_PAUSE or
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PlaybackStateCompat.ACTION_SKIP_TO_NEXT or
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PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS or
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PlaybackStateCompat.ACTION_SEEK_TO or
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PlaybackStateCompat.ACTION_SKIP_TO_QUEUE_ITEM
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)
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}
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val session: MediaSessionCompat by lazy {
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active = true
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MediaSessionCompat(context, context.packageName).apply {
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setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS or MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS)
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setPlaybackState(playbackStateBuilder.build())
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isActive = true
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}
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}
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val connector: MediaSessionConnector by lazy {
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MediaSessionConnector(Otter.get().mediaSession.session).also {
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it.setQueueNavigator(OtterQueueNavigator())
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it.setMediaButtonEventHandler { _, _, event ->
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if (!active) {
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event.extras?.getParcelable<KeyEvent>(Intent.EXTRA_KEY_EVENT)?.let { key ->
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if (key.action == KeyEvent.ACTION_UP) {
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val command = when (key.keyCode) {
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KeyEvent.KEYCODE_MEDIA_PLAY -> Command.ToggleState
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KeyEvent.KEYCODE_MEDIA_PAUSE -> Command.ToggleState
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KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE -> Command.ToggleState
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KeyEvent.KEYCODE_MEDIA_NEXT -> Command.NextTrack
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KeyEvent.KEYCODE_MEDIA_PREVIOUS -> Command.PreviousTrack
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else -> null
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}
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command?.let {
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CommandBus.send(command)
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CommandBus.send(Command.StartService(command))
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return@setMediaButtonEventHandler true
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}
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}
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}
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}
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false
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}
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}
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}
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}
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class OtterQueueNavigator : MediaSessionConnector.QueueNavigator {
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override fun onSkipToQueueItem(player: Player, controlDispatcher: ControlDispatcher, id: Long) {
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CommandBus.send(Command.PlayTrack(id.toInt()))
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}
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override fun onCurrentWindowIndexChanged(player: Player) {}
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override fun onCommand(player: Player, controlDispatcher: ControlDispatcher, command: String, extras: Bundle?, cb: ResultReceiver?) = true
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override fun getSupportedQueueNavigatorActions(player: Player): Long {
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return PlaybackStateCompat.ACTION_PLAY_PAUSE or
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PlaybackStateCompat.ACTION_SKIP_TO_NEXT or
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PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS or
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PlaybackStateCompat.ACTION_SKIP_TO_QUEUE_ITEM
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}
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override fun onSkipToNext(player: Player, controlDispatcher: ControlDispatcher) {
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CommandBus.send(Command.NextTrack)
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}
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override fun getActiveQueueItemId(player: Player?) = player?.currentWindowIndex?.toLong() ?: 0
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override fun onSkipToPrevious(player: Player, controlDispatcher: ControlDispatcher) {
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CommandBus.send(Command.PreviousTrack)
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}
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override fun onTimelineChanged(player: Player) {}
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}
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