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@@ -0,0 +1,483 @@
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package de.mm20.launcher2.music
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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.content.SharedPreferences
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import android.content.pm.PackageManager
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import android.graphics.Bitmap
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import android.media.AudioManager
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import android.media.MediaMetadata
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import android.media.session.MediaController
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import android.media.session.MediaSession
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import android.net.Uri
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import android.os.Handler
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import android.os.Looper
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import android.service.notification.StatusBarNotification
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import android.util.Log
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import android.view.KeyEvent
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import androidx.core.app.NotificationCompat
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import androidx.core.content.edit
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import androidx.core.graphics.drawable.toBitmap
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import coil.imageLoader
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import coil.request.ImageRequest
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import coil.size.Scale
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import de.mm20.launcher2.crashreporter.CrashReporter
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import de.mm20.launcher2.notifications.NotificationRepository
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import de.mm20.launcher2.preferences.LauncherDataStore
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import kotlinx.coroutines.*
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import kotlinx.coroutines.flow.*
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import org.koin.core.component.KoinComponent
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import org.koin.core.component.inject
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import java.io.IOException
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interface MusicRepository {
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val playbackState: Flow<PlaybackState>
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val title: Flow<String?>
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val artist: Flow<String?>
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val album: Flow<String?>
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val albumArt: Flow<Bitmap?>
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val lastPlayerPackage: String?
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fun next()
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fun previous()
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fun pause()
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fun play()
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fun togglePause()
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fun openPlayer(): PendingIntent?
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fun openPlayerChooser(context: Context)
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fun resetPlayer()
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}
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internal class MusicRepositoryImpl(
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private val context: Context,
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notificationRepository: NotificationRepository
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) : MusicRepository, KoinComponent {
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private val scope = CoroutineScope(Job() + Dispatchers.Default)
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private val dataStore: LauncherDataStore by inject()
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private val preferences: SharedPreferences by lazy {
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context.getSharedPreferences(PREFS, Context.MODE_PRIVATE)
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}
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override var lastPlayerPackage: String? = null
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get() {
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if (field == null) {
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field = preferences.getString(PREFS_KEY_LAST_PLAYER, null)
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}
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return field
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}
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set(value) {
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preferences.edit {
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putString(PREFS_KEY_LAST_PLAYER, value)
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}
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field = value
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}
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private val currentMediaController: SharedFlow<MediaController?> =
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combine(
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notificationRepository.notifications,
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dataStore.data.map { it.musicWidget.filterSources }
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) { notifications, filter ->
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withContext(Dispatchers.Default) {
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val musicApps = if (filter) getMusicApps() else null
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val sbn: StatusBarNotification? = notifications.filter {
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it.notification.extras.getParcelable(NotificationCompat.EXTRA_MEDIA_SESSION) as? MediaSession.Token != null &&
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(musicApps?.contains(it.packageName) != false)
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}.maxByOrNull { it.postTime }
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return@withContext (sbn?.notification?.extras?.get(NotificationCompat.EXTRA_MEDIA_SESSION) as? MediaSession.Token)
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}
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}
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.distinctUntilChanged()
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.map { token ->
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if (token == null) return@map null
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else {
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return@map MediaController(context, token).also {
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lastPlayerPackage = it.packageName
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}
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}
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}
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.shareIn(scope, SharingStarted.WhileSubscribed(), 1)
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private val currentMetadata: SharedFlow<MediaMetadata?> = channelFlow {
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currentMediaController.collectLatest { controller ->
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if (controller == null) {
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send(null)
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return@collectLatest
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}
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send(controller.metadata)
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val callback = object : MediaController.Callback() {
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override fun onMetadataChanged(metadata: MediaMetadata?) {
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super.onMetadataChanged(metadata)
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trySend(metadata)
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}
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}
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try {
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controller.registerCallback(callback, Handler(Looper.getMainLooper()))
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awaitCancellation()
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} finally {
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controller.unregisterCallback(callback)
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}
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}
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}.shareIn(scope, SharingStarted.WhileSubscribed(), 1)
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override val playbackState: SharedFlow<PlaybackState> = channelFlow {
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currentMediaController.collectLatest { controller ->
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if (controller == null) return@collectLatest send(PlaybackState.Stopped)
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send(
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when (controller.playbackState?.state) {
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android.media.session.PlaybackState.STATE_PLAYING -> PlaybackState.Playing
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android.media.session.PlaybackState.STATE_PAUSED -> PlaybackState.Paused
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else -> PlaybackState.Stopped
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}
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)
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val callback = object : MediaController.Callback() {
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override fun onPlaybackStateChanged(state: android.media.session.PlaybackState?) {
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super.onPlaybackStateChanged(state)
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trySend(
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when (state?.state) {
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android.media.session.PlaybackState.STATE_PLAYING -> PlaybackState.Playing
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android.media.session.PlaybackState.STATE_PAUSED -> PlaybackState.Paused
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else -> PlaybackState.Stopped
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}
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)
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}
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}
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try {
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controller.registerCallback(callback, Handler(Looper.getMainLooper()))
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awaitCancellation()
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} finally {
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controller.unregisterCallback(callback)
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}
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}
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}.shareIn(scope, SharingStarted.WhileSubscribed(), 1)
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private var lastTitle: String? = null
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get() {
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if (field == null) {
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field = preferences.getString(PREFS_KEY_TITLE, null)
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}
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return field
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}
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set(value) {
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preferences.edit {
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putString(PREFS_KEY_TITLE, value)
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}
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field = value
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}
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override val title: Flow<String?> = channelFlow {
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currentMetadata.collectLatest { metadata ->
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if (metadata == null) {
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send(lastTitle)
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return@collectLatest
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}
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val title = metadata.getString(MediaMetadata.METADATA_KEY_TITLE)
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?: metadata.getString(MediaMetadata.METADATA_KEY_DISPLAY_TITLE)
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?: currentMediaController.firstOrNull()?.packageName?.let { pkg ->
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getAppLabel(pkg)?.let {
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context.getString(
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R.string.music_widget_default_title,
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it
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)
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}
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}
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lastTitle = title
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send(title)
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}
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}.shareIn(scope, SharingStarted.WhileSubscribed(), 1)
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private var lastArtist: String? = null
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get() {
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if (field == null) {
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field = preferences.getString(PREFS_KEY_ARTIST, null)
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}
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return field
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}
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set(value) {
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preferences.edit {
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putString(PREFS_KEY_ARTIST, value)
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}
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field = value
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}
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override val artist: Flow<String?> = channelFlow {
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currentMetadata.collectLatest { metadata ->
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if (metadata == null) {
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send(lastArtist)
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return@collectLatest
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}
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val artist = metadata.getString(MediaMetadata.METADATA_KEY_ARTIST)
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?: metadata.getString(MediaMetadata.METADATA_KEY_DISPLAY_SUBTITLE)
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?: currentMediaController.firstOrNull()?.packageName?.let { pkg ->
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getAppLabel(pkg)
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}
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lastArtist = artist
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send(artist)
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}
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}.shareIn(scope, SharingStarted.WhileSubscribed(), 1)
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private var lastAlbum: String? = null
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get() {
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if (field == null) {
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field = preferences.getString(PREFS_KEY_ALBUM, null)
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}
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return field
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}
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set(value) {
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preferences.edit {
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putString(PREFS_KEY_ALBUM, value)
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}
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field = value
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}
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override val album = channelFlow {
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currentMetadata.collectLatest { metadata ->
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if (metadata == null) {
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send(lastAlbum)
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return@collectLatest
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}
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val album = metadata.getString(MediaMetadata.METADATA_KEY_ALBUM)
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lastAlbum = album
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send(album)
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}
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}.shareIn(scope, SharingStarted.WhileSubscribed(), 1)
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override val albumArt: Flow<Bitmap?> = channelFlow {
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val size = context.resources.getDimensionPixelSize(R.dimen.album_art_size)
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currentMetadata.collectLatest { metadata ->
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if (metadata == null) {
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val isNull = preferences.getString(PREFS_KEY_ALBUM_ART, "null") == "null"
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if (isNull) {
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send(null)
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} else {
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val bmp: Bitmap? = withContext(Dispatchers.IO) {
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val file = java.io.File(context.filesDir, "album_art")
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val request = ImageRequest.Builder(context)
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.data(file)
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.size(size)
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.build()
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context.imageLoader.execute(request).drawable?.toBitmap()
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}
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send(bmp)
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}
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return@collectLatest
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}
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val bitmap =
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metadata.getBitmap(MediaMetadata.METADATA_KEY_ALBUM_ART)?.let { resize(it, size) }
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?: metadata.getBitmap(MediaMetadata.METADATA_KEY_ART)?.let { resize(it, size) }
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?: metadata.getString(MediaMetadata.METADATA_KEY_ALBUM_ART_URI)
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?.let { loadBitmapFromUri(Uri.parse(it), size) }
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?: metadata.getString(MediaMetadata.METADATA_KEY_ART_URI)
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?.let { loadBitmapFromUri(Uri.parse(it), size) }
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withContext(Dispatchers.IO) {
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if (bitmap == null) {
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preferences.edit {
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putString(PREFS_KEY_ALBUM_ART, "null")
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}
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} else {
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val file = java.io.File(context.filesDir, "album_art")
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bitmap.compress(Bitmap.CompressFormat.PNG, 100, file.outputStream())
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preferences.edit {
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putString(PREFS_KEY_ALBUM_ART, "notnull")
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}
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}
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}
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send(bitmap)
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}
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}.shareIn(scope, SharingStarted.WhileSubscribed(), 1)
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private suspend fun loadBitmapFromUri(uri: Uri, size: Int): Bitmap? {
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try {
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val request = ImageRequest.Builder(context)
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.data(uri)
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.size(size)
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.scale(Scale.FILL)
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.build()
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context.imageLoader.execute(request).drawable?.toBitmap()
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} catch (e: IOException) {
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CrashReporter.logException(e)
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} catch (e: SecurityException) {
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CrashReporter.logException(e)
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}
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return null
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}
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private suspend fun resize(bitmap: Bitmap, size: Int): Bitmap? {
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return withContext(Dispatchers.IO) {
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val request = ImageRequest.Builder(context).data(bitmap)
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.size(size)
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.scale(Scale.FILL)
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.build()
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context.imageLoader.execute(request).drawable?.toBitmap()
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}
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}
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private fun getAppLabel(packageName: String): String? {
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return try {
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context
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.packageManager
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.getPackageInfo(packageName, 0).applicationInfo
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.loadLabel(context.packageManager).toString()
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} catch (e: PackageManager.NameNotFoundException) {
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null
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}
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}
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override fun previous() {
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scope.launch {
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val controller = currentMediaController.firstOrNull()
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|
|
|
if (controller != null) {
|
|
|
|
|
controller.transportControls.skipToPrevious()
|
|
|
|
|
} else {
|
|
|
|
|
val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
|
|
|
|
|
val downEvent = KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PREVIOUS)
|
|
|
|
|
audioManager.dispatchMediaKeyEvent(downEvent)
|
|
|
|
|
val upEvent = KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PREVIOUS)
|
|
|
|
|
audioManager.dispatchMediaKeyEvent(upEvent)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
override fun next() {
|
|
|
|
|
scope.launch {
|
|
|
|
|
val controller = currentMediaController.firstOrNull()
|
|
|
|
|
if (controller != null) {
|
|
|
|
|
controller.transportControls.skipToNext()
|
|
|
|
|
} else {
|
|
|
|
|
val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
|
|
|
|
|
val downEvent = KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_NEXT)
|
|
|
|
|
audioManager.dispatchMediaKeyEvent(downEvent)
|
|
|
|
|
val upEvent = KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_NEXT)
|
|
|
|
|
audioManager.dispatchMediaKeyEvent(upEvent)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
override fun play() {
|
|
|
|
|
scope.launch {
|
|
|
|
|
val controller = currentMediaController.firstOrNull()
|
|
|
|
|
if (controller != null) {
|
|
|
|
|
controller.transportControls.play()
|
|
|
|
|
} else {
|
|
|
|
|
val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
|
|
|
|
|
val downEvent = KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PLAY)
|
|
|
|
|
audioManager.dispatchMediaKeyEvent(downEvent)
|
|
|
|
|
val upEvent = KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PLAY)
|
|
|
|
|
audioManager.dispatchMediaKeyEvent(upEvent)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
override fun pause() {
|
|
|
|
|
scope.launch {
|
|
|
|
|
val controller = currentMediaController.firstOrNull()
|
|
|
|
|
if (controller != null) {
|
|
|
|
|
controller.transportControls.pause()
|
|
|
|
|
} else {
|
|
|
|
|
val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
|
|
|
|
|
val downEvent = KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PAUSE)
|
|
|
|
|
audioManager.dispatchMediaKeyEvent(downEvent)
|
|
|
|
|
val upEvent = KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PAUSE)
|
|
|
|
|
audioManager.dispatchMediaKeyEvent(upEvent)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
override fun togglePause() {
|
|
|
|
|
scope.launch {
|
|
|
|
|
val controller = currentMediaController.firstOrNull()
|
|
|
|
|
if (controller != null && controller.playbackState?.state == android.media.session.PlaybackState.STATE_PLAYING) {
|
|
|
|
|
pause()
|
|
|
|
|
} else {
|
|
|
|
|
play()
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
override fun openPlayer(): PendingIntent? {
|
|
|
|
|
|
|
|
|
|
val controller = currentMediaController.replayCache.firstOrNull()
|
|
|
|
|
|
|
|
|
|
controller?.sessionActivity?.let {
|
|
|
|
|
return it
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
val packageName = controller?.packageName ?: lastPlayerPackage
|
|
|
|
|
|
|
|
|
|
val intent = packageName?.let {
|
|
|
|
|
context.packageManager.getLaunchIntentForPackage(it)?.apply {
|
|
|
|
|
addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
|
|
|
|
|
}
|
|
|
|
|
} ?: return null
|
|
|
|
|
|
|
|
|
|
if (context.packageManager.resolveActivity(intent, 0) == null) {
|
|
|
|
|
return null
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return PendingIntent.getActivity(
|
|
|
|
|
context,
|
|
|
|
|
0,
|
|
|
|
|
intent,
|
|
|
|
|
PendingIntent.FLAG_ONE_SHOT or PendingIntent.FLAG_IMMUTABLE
|
|
|
|
|
)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
override fun openPlayerChooser(context: Context) {
|
|
|
|
|
context.startActivity(
|
|
|
|
|
Intent.createChooser(
|
|
|
|
|
Intent("android.intent.action.MUSIC_PLAYER")
|
|
|
|
|
.apply {
|
|
|
|
|
flags = Intent.FLAG_ACTIVITY_NEW_TASK
|
|
|
|
|
},
|
|
|
|
|
null
|
|
|
|
|
)
|
|
|
|
|
)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private fun getMusicApps(): Set<String> {
|
|
|
|
|
val apps = mutableSetOf<String>()
|
|
|
|
|
var intent = Intent(Intent.ACTION_MAIN).apply { addCategory(Intent.CATEGORY_APP_MUSIC) }
|
|
|
|
|
apps.addAll(context.packageManager.queryIntentActivities(intent, 0)
|
|
|
|
|
.map { it.activityInfo.packageName })
|
|
|
|
|
intent = Intent("android.intent.action.MUSIC_PLAYER")
|
|
|
|
|
apps.addAll(context.packageManager.queryIntentActivities(intent, 0)
|
|
|
|
|
.map { it.activityInfo.packageName })
|
|
|
|
|
return apps
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
override fun resetPlayer() {
|
|
|
|
|
scope.launch {
|
|
|
|
|
preferences.edit {
|
|
|
|
|
clear()
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
companion object {
|
|
|
|
|
|
|
|
|
|
private const val PREFS = "music"
|
|
|
|
|
private const val PREFS_KEY_TITLE = "title"
|
|
|
|
|
private const val PREFS_KEY_ARTIST = "artist"
|
|
|
|
|
private const val PREFS_KEY_ALBUM = "album"
|
|
|
|
|
private const val PREFS_KEY_ALBUM_ART = "album_art"
|
|
|
|
|
private const val PREFS_KEY_LAST_PLAYER = "last_player"
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
enum class PlaybackState {
|
|
|
|
|
Paused,
|
|
|
|
|
Playing,
|
|
|
|
|
Stopped
|
|
|
|
|
}
|
MM20