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Merge pull request #883 from DimensionDev/feature/podcast
add podcast support
2 parents 97baadf + 08f7833 commit 2475a61

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22 files changed

+1526
-91
lines changed

22 files changed

+1526
-91
lines changed

‎app/src/main/AndroidManifest.xml‎

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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="28" />
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
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<application
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android:allowBackup="true"
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<data android:mimeType="image/*" />
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</intent-filter>
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</activity>
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<service
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android:name=".common.PlaybackService"
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android:foregroundServiceType="mediaPlayback"
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android:exported="true">
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<intent-filter>
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<action android:name="androidx.media3.session.MediaSessionService"/>
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<action android:name="android.media.browse.MediaBrowserService"/>
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</intent-filter>
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</service>
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</application>
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</manifest>

‎app/src/main/java/dev/dimension/flare/common/PodcastManager.kt‎

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package dev.dimension.flare.common
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import android.content.ComponentName
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import android.content.Context
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import android.content.Intent
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import androidx.annotation.OptIn
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import androidx.core.net.toUri
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import androidx.media3.common.util.UnstableApi
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import androidx.media3.datasource.DefaultHttpDataSource
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import androidx.media3.exoplayer.ExoPlayer
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import androidx.media3.exoplayer.hls.DefaultHlsDataSourceFactory
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import androidx.media3.exoplayer.hls.HlsMediaSource
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import androidx.media3.session.MediaController
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import androidx.media3.session.MediaSession
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import androidx.media3.session.MediaSessionService
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import androidx.media3.session.SessionToken
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import com.google.common.util.concurrent.MoreExecutors
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import dev.dimension.flare.ui.model.UiPodcast
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import kotlinx.coroutines.flow.Flow
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.asSharedFlow
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internal class PodcastManager(
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private val context: Context,
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) : AutoCloseable {
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private var currentController: MediaController? = null
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private val _currentPodcast = MutableStateFlow<UiPodcast?>(null)
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val currentPodcast: Flow<UiPodcast?> = _currentPodcast.asSharedFlow()
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@OptIn(UnstableApi::class)
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fun playPodcast(podcast: UiPodcast) {
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stopPodcast()
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_currentPodcast.value = podcast
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val sessionToken =
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SessionToken(context, ComponentName(context, PlaybackService::class.java))
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val controllerFuture =
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MediaController
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.Builder(context, sessionToken)
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.buildAsync()
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controllerFuture.addListener({
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currentController =
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controllerFuture.get().also {
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it.playWhenReady = true
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it.setMediaItem(
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androidx.media3.common.MediaItem
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.Builder()
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.setMediaId("podcast_session")
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.setUri(podcast.playbackUrl)
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.setMediaMetadata(
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androidx.media3.common.MediaMetadata
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.Builder()
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.setTitle(podcast.title)
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.setArtist(podcast.creator.name.innerText)
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.setArtworkUri(podcast.creator.avatar.toUri())
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.build(),
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).build(),
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)
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it.prepare()
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}
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}, MoreExecutors.directExecutor())
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}
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fun stopPodcast() {
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currentController?.stop()
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currentController?.release()
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currentController = null
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_currentPodcast.value = null
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}
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override fun close() {
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stopPodcast()
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}
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}
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internal class PlaybackService : MediaSessionService() {
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private var mediaSession: MediaSession? = null
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@OptIn(UnstableApi::class)
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override fun onTaskRemoved(rootIntent: Intent?) {
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pauseAllPlayersAndStopSelf()
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}
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@OptIn(UnstableApi::class)
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override fun onCreate() {
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super.onCreate()
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val player =
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ExoPlayer
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.Builder(this)
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.setMediaSourceFactory(
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HlsMediaSource.Factory(DefaultHlsDataSourceFactory(DefaultHttpDataSource.Factory())),
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).setAudioAttributes(
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androidx.media3.common.AudioAttributes
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.Builder()
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.setContentType(androidx.media3.common.C.AUDIO_CONTENT_TYPE_MUSIC)
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.setUsage(androidx.media3.common.C.USAGE_MEDIA)
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.build(),
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true,
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).build()
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mediaSession =
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MediaSession
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.Builder(this, player)
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.setCommandButtonsForMediaItems(
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listOf(),
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).build()
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}
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override fun onGetSession(controllerInfo: MediaSession.ControllerInfo): MediaSession? = mediaSession
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override fun onDestroy() {
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mediaSession?.run {
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player.release()
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release()
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mediaSession = null
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}
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super.onDestroy()
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}
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}

‎app/src/main/java/dev/dimension/flare/di/AndroidModule.kt‎

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@@ -3,6 +3,7 @@ package dev.dimension.flare.di
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import androidx.media3.common.util.UnstableApi
44
import dev.dimension.flare.common.ComposeInAppNotification
55
import dev.dimension.flare.common.InAppNotification
6+
import dev.dimension.flare.common.PodcastManager
67
import dev.dimension.flare.common.VideoDownloadHelper
78
import dev.dimension.flare.data.repository.SettingsRepository
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import dev.dimension.flare.ui.component.VideoPlayerPool
@@ -17,4 +18,5 @@ val androidModule =
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singleOf(::VideoPlayerPool)
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singleOf(::ComposeInAppNotification) binds arrayOf(InAppNotification::class, ComposeInAppNotification::class)
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singleOf(::VideoDownloadHelper)
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singleOf(::PodcastManager)
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}

‎app/src/main/java/dev/dimension/flare/ui/component/FABComponent.kt‎

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package dev.dimension.flare.ui.component
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import androidx.compose.animation.AnimatedVisibility
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import androidx.compose.animation.core.LinearEasing
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import androidx.compose.animation.core.RepeatMode
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import androidx.compose.animation.core.VectorConverter
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import androidx.compose.animation.core.animateFloat
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import androidx.compose.animation.core.animateValue
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import androidx.compose.animation.core.infiniteRepeatable
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import androidx.compose.animation.core.rememberInfiniteTransition
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import androidx.compose.animation.core.tween
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import androidx.compose.foundation.Canvas
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import androidx.compose.foundation.border
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.ColumnScope
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.foundation.shape.CircleShape
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import androidx.compose.material3.ExperimentalMaterial3Api
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import androidx.compose.material3.ExtendedFloatingActionButton
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.ModalBottomSheet
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.runtime.collectAsState
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.remember
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.graphics.drawscope.Stroke
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import androidx.compose.ui.graphics.graphicsLayer
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import androidx.compose.ui.platform.LocalDensity
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import androidx.compose.ui.unit.Dp
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import androidx.compose.ui.unit.dp
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import dev.dimension.flare.common.PodcastManager
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import dev.dimension.flare.ui.model.UiState
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import dev.dimension.flare.ui.screen.media.PodcastContent
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import dev.dimension.flare.ui.theme.screenHorizontalPadding
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import org.koin.compose.koinInject
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@OptIn(ExperimentalMaterial3Api::class)
48+
@Composable
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internal fun ColumnScope.PodcastFAB(
50+
onVisibilityChanged: (Boolean) -> Unit,
51+
modifier: Modifier = Modifier,
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podcastManager: PodcastManager = koinInject(),
53+
) {
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val podcast by podcastManager.currentPodcast.collectAsState(null)
55+
LaunchedEffect(podcast) {
56+
onVisibilityChanged.invoke(podcast != null)
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}
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AnimatedVisibility(
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podcast != null,
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modifier = modifier,
61+
) {
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podcast?.let { data ->
63+
var showInfoSheet by remember { mutableStateOf(false) }
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ExtendedFloatingActionButton(
65+
shape = MaterialTheme.shapes.large,
66+
onClick = {
67+
showInfoSheet = true
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},
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icon = {
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Box {
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AvatarComponent(
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data.creator.avatar,
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size = 36.dp,
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modifier =
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Modifier
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.graphicsLayer()
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.border(
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2.dp,
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MaterialTheme.colorScheme.primary,
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shape = CircleShape,
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),
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)
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PulsingCircle(
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modifier = Modifier.align(Alignment.Center),
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)
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}
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},
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text = {
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Text(data.title)
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},
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)
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if (showInfoSheet) {
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ModalBottomSheet(
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onDismissRequest = {
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showInfoSheet = false
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},
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) {
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Column(
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modifier =
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Modifier
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.padding(
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horizontal = screenHorizontalPadding,
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),
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verticalArrangement = Arrangement.spacedBy(8.dp),
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) {
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PodcastContent(
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data = data,
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isPlaying = UiState.Success(true),
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toUser = {},
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onJoinPodcast = {
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podcastManager.playPodcast(data)
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},
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onLeavePodcast = {
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podcastManager.stopPodcast()
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},
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)
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}
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}
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}
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}
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}
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}
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@Composable
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internal fun PulsingCircle(
126+
modifier: Modifier = Modifier,
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color: Color = MaterialTheme.colorScheme.primary,
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) {
129+
val infiniteTransition = rememberInfiniteTransition()
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val scale by infiniteTransition.animateFloat(
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initialValue = 1f,
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targetValue = 48f / 36f,
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animationSpec =
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infiniteRepeatable(
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animation = tween(durationMillis = 1000, easing = LinearEasing),
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repeatMode = RepeatMode.Restart,
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),
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)
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val alpha by infiniteTransition.animateFloat(
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initialValue = 1f,
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targetValue = 0f,
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animationSpec =
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infiniteRepeatable(
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animation = tween(durationMillis = 1000, easing = LinearEasing),
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repeatMode = RepeatMode.Restart,
148+
),
149+
)
150+
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val strokeWidthDp by infiniteTransition.animateValue(
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initialValue = 4.dp,
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targetValue = 0.dp,
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typeConverter = Dp.VectorConverter,
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animationSpec =
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infiniteRepeatable(
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animation = tween(1000, easing = LinearEasing),
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repeatMode = RepeatMode.Restart,
159+
),
160+
)
161+
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val baseSize = 36.dp
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val strokeWidthPx = with(LocalDensity.current) { strokeWidthDp.toPx() }
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val sizePx = with(LocalDensity.current) { baseSize.toPx() }
165+
166+
Canvas(
167+
modifier =
168+
modifier
169+
.size(baseSize)
170+
.graphicsLayer {
171+
scaleX = scale
172+
scaleY = scale
173+
this.alpha = alpha
174+
},
175+
) {
176+
drawCircle(
177+
color = color,
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radius = sizePx / 2 - strokeWidthPx / 2,
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style = Stroke(width = strokeWidthPx),
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)
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}
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}

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