mirror of
https://github.com/libre-tube/LibreTube.git
synced 2024-12-16 15:20:31 +05:30
323 lines
12 KiB
Kotlin
323 lines
12 KiB
Kotlin
package com.github.libretube.util
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import android.annotation.SuppressLint
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import android.app.NotificationManager
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import android.app.PendingIntent
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import android.content.Context
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import android.content.Intent
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import android.graphics.Bitmap
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import android.graphics.BitmapFactory
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import android.os.Build
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import android.os.Bundle
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import android.support.v4.media.MediaDescriptionCompat
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import android.support.v4.media.MediaMetadataCompat
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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 androidx.annotation.DrawableRes
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import androidx.core.app.NotificationCompat
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import androidx.core.graphics.drawable.toBitmap
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import androidx.core.os.bundleOf
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import coil.request.ImageRequest
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import com.github.libretube.R
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import com.github.libretube.api.obj.Streams
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import com.github.libretube.compat.PendingIntentCompat
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import com.github.libretube.constants.BACKGROUND_CHANNEL_ID
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import com.github.libretube.constants.IntentData
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import com.github.libretube.constants.PLAYER_NOTIFICATION_ID
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import com.github.libretube.helpers.ImageHelper
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import com.github.libretube.helpers.PlayerHelper
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import com.github.libretube.ui.activities.MainActivity
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import com.google.android.exoplayer2.ExoPlayer
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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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import com.google.android.exoplayer2.ext.mediasession.TimelineQueueNavigator
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import com.google.android.exoplayer2.ui.PlayerNotificationManager
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import com.google.android.exoplayer2.ui.PlayerNotificationManager.CustomActionReceiver
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class NowPlayingNotification(
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private val context: Context,
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private val player: ExoPlayer,
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private val isBackgroundPlayerNotification: Boolean
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) {
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private var videoId: String? = null
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private var streams: Streams? = null
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private var bitmap: Bitmap? = null
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/**
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* The [MediaSessionCompat] for the [streams].
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*/
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private lateinit var mediaSession: MediaSessionCompat
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/**
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* The [MediaSessionConnector] to connect with the [mediaSession] and implement it with the [player].
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*/
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private lateinit var mediaSessionConnector: MediaSessionConnector
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/**
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* The [PlayerNotificationManager] to load the [mediaSession] content on it.
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*/
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private var playerNotification: PlayerNotificationManager? = null
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/**
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* The [descriptionAdapter] is used to show title, uploaderName and thumbnail of the video in the notification
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* Basic example [here](https://github.com/AnthonyMarkD/AudioPlayerSampleTest)
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*/
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private val descriptionAdapter = object : PlayerNotificationManager.MediaDescriptionAdapter {
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/**
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* sets the title of the notification
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*/
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override fun getCurrentContentTitle(player: Player): CharSequence {
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return streams?.title!!
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}
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/**
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* overrides the action when clicking the notification
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*/
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@SuppressLint("UnspecifiedImmutableFlag")
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override fun createCurrentContentIntent(player: Player): PendingIntent {
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// starts a new MainActivity Intent when the player notification is clicked
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// it doesn't start a completely new MainActivity because the MainActivity's launchMode
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// is set to "singleTop" in the AndroidManifest (important!!!)
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// that's the only way to launch back into the previous activity (e.g. the player view
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val intent = Intent(context, MainActivity::class.java).apply {
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if (isBackgroundPlayerNotification) {
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putExtra(IntentData.openAudioPlayer, true)
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addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
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}
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}
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return PendingIntentCompat.getActivity(
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context,
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0,
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intent,
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PendingIntent.FLAG_UPDATE_CURRENT
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)
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}
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/**
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* the description of the notification (below the title)
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*/
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override fun getCurrentContentText(player: Player): CharSequence? {
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return streams?.uploader
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}
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/**
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* return the icon/thumbnail of the video
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*/
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override fun getCurrentLargeIcon(
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player: Player,
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callback: PlayerNotificationManager.BitmapCallback
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): Bitmap? {
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if (DataSaverMode.isEnabled(context)) return null
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if (bitmap == null) enqueueThumbnailRequest(callback)
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return bitmap
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}
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override fun getCurrentSubText(player: Player): CharSequence? {
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return streams?.uploader
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}
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}
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private fun enqueueThumbnailRequest(callback: PlayerNotificationManager.BitmapCallback) {
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val request = ImageRequest.Builder(context)
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.data(streams?.thumbnailUrl)
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.target {
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val bm = it.toBitmap()
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// returns the bitmap on Android 13+, for everything below scaled down to a square
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bitmap = if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
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ImageHelper.getSquareBitmap(bm)
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} else {
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bm
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}
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callback.onBitmap(bitmap!!)
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}
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.build()
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// enqueue the thumbnail loading request
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ImageHelper.imageLoader.enqueue(request)
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}
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private val customActionReceiver = object : CustomActionReceiver {
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override fun createCustomActions(
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context: Context,
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instanceId: Int
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): MutableMap<String, NotificationCompat.Action> {
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return mutableMapOf(
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PREV to createNotificationAction(R.drawable.ic_prev_outlined, PREV, instanceId),
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NEXT to createNotificationAction(R.drawable.ic_next_outlined, NEXT, instanceId),
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REWIND to createNotificationAction(R.drawable.ic_rewind_md, REWIND, instanceId),
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FORWARD to createNotificationAction(R.drawable.ic_forward_md, FORWARD, instanceId)
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)
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}
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override fun getCustomActions(player: Player): MutableList<String> {
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return mutableListOf(PREV, NEXT, REWIND, FORWARD)
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}
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override fun onCustomAction(player: Player, action: String, intent: Intent) {
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handlePlayerAction(action)
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}
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}
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private fun createNotificationAction(drawableRes: Int, actionName: String, instanceId: Int): NotificationCompat.Action {
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val intent = Intent(actionName).setPackage(context.packageName)
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val pendingIntent = PendingIntentCompat.getBroadcast(
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context,
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instanceId,
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intent,
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PendingIntent.FLAG_CANCEL_CURRENT
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)
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return NotificationCompat.Action.Builder(drawableRes, actionName, pendingIntent).build()
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}
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private fun createMediaSessionAction(@DrawableRes drawableRes: Int, actionName: String): MediaSessionConnector.CustomActionProvider {
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return object : MediaSessionConnector.CustomActionProvider {
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override fun getCustomAction(player: Player): PlaybackStateCompat.CustomAction? {
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return PlaybackStateCompat.CustomAction.Builder(actionName, actionName, drawableRes).build()
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}
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override fun onCustomAction(player: Player, action: String, extras: Bundle?) {
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handlePlayerAction(action)
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}
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}
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}
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/**
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* Creates a [MediaSessionCompat] amd a [MediaSessionConnector] for the player
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*/
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private fun createMediaSession() {
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if (this::mediaSession.isInitialized) return
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mediaSession = MediaSessionCompat(context, this.javaClass.name).apply {
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isActive = true
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}
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mediaSessionConnector = MediaSessionConnector(mediaSession).apply {
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setPlayer(player)
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setQueueNavigator(object : TimelineQueueNavigator(mediaSession) {
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override fun getMediaDescription(
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player: Player,
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windowIndex: Int
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): MediaDescriptionCompat {
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val appIcon = BitmapFactory.decodeResource(
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context.resources,
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R.drawable.ic_launcher_monochrome
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)
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val title = streams?.title!!
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val uploader = streams?.uploader
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val extras = bundleOf(
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MediaMetadataCompat.METADATA_KEY_DISPLAY_ICON to appIcon,
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MediaMetadataCompat.METADATA_KEY_TITLE to title,
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MediaMetadataCompat.METADATA_KEY_ARTIST to uploader
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)
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return MediaDescriptionCompat.Builder()
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.setTitle(title)
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.setSubtitle(uploader)
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.setIconBitmap(appIcon)
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.setExtras(extras)
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.build()
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}
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override fun getSupportedQueueNavigatorActions(player: Player): Long {
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return PlaybackStateCompat.ACTION_PLAY_PAUSE
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}
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})
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setCustomActionProviders(
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createMediaSessionAction(R.drawable.ic_prev_outlined, PREV),
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createMediaSessionAction(R.drawable.ic_next_outlined, NEXT),
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createMediaSessionAction(R.drawable.ic_rewind_md, REWIND),
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createMediaSessionAction(R.drawable.ic_forward_md, FORWARD)
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)
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}
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}
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private fun handlePlayerAction(action: String) {
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when (action) {
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NEXT -> {
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if (PlayingQueue.hasNext()) {
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PlayingQueue.onQueueItemSelected(
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PlayingQueue.currentIndex() + 1
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)
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}
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}
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PREV -> {
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if (PlayingQueue.hasPrev()) {
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PlayingQueue.onQueueItemSelected(
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PlayingQueue.currentIndex() - 1
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)
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}
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}
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REWIND -> {
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player.seekTo(player.currentPosition - PlayerHelper.seekIncrement)
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}
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FORWARD -> {
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player.seekTo(player.currentPosition + PlayerHelper.seekIncrement)
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}
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}
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}
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/**
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* Updates or creates the [playerNotification]
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*/
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fun updatePlayerNotification(
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videoId: String,
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streams: Streams
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) {
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this.videoId = videoId
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this.streams = streams
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// reset the thumbnail bitmap in order to become reloaded for the new video
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this.bitmap = null
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if (playerNotification == null) {
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createMediaSession()
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createNotification()
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}
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}
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/**
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* Initializes the [playerNotification] attached to the [player] and shows it.
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*/
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private fun createNotification() {
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playerNotification = PlayerNotificationManager
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.Builder(context, PLAYER_NOTIFICATION_ID, BACKGROUND_CHANNEL_ID)
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// set the description of the notification
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.setMediaDescriptionAdapter(descriptionAdapter)
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// register the receiver for custom actions, doesn't seem to change anything
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.setCustomActionReceiver(customActionReceiver)
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.build().apply {
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setPlayer(player)
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setColorized(true)
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setMediaSessionToken(mediaSession.sessionToken)
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setSmallIcon(R.drawable.ic_launcher_lockscreen)
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setUseNextAction(false)
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setUsePreviousAction(false)
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setUseStopAction(true)
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}
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}
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/**
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* Destroy the [NowPlayingNotification]
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*/
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fun destroySelfAndPlayer() {
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playerNotification?.setPlayer(null)
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mediaSession.isActive = false
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mediaSession.release()
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player.stop()
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player.release()
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val notificationManager = context.getSystemService(
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Context.NOTIFICATION_SERVICE
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) as NotificationManager
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notificationManager.cancel(PLAYER_NOTIFICATION_ID)
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}
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companion object {
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private const val PREV = "prev"
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private const val NEXT = "next"
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private const val REWIND = "rewind"
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private const val FORWARD = "forward"
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}
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}
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