From 8061ee29d5315211dcbfbdfbefecdaec460a4965 Mon Sep 17 00:00:00 2001
From: advplyr <advplyr@protonmail.com>
Date: Sun, 15 May 2022 15:48:41 -0500
Subject: [PATCH] Add:Media session controls and metadata

---
 client/components/app/StreamContainer.vue | 67 ++++++++++++++++++++++-
 client/players/PlayerHandler.js           |  3 +
 2 files changed, 69 insertions(+), 1 deletion(-)

diff --git a/client/components/app/StreamContainer.vue b/client/components/app/StreamContainer.vue
index 2c1516a5..ea140a78 100644
--- a/client/components/app/StreamContainer.vue
+++ b/client/components/app/StreamContainer.vue
@@ -148,6 +148,7 @@ export default {
     setPlaying(isPlaying) {
       this.isPlaying = isPlaying
       this.$store.commit('setIsPlaying', isPlaying)
+      this.updateMediaSessionPlaybackState()
     },
     setSleepTimer(seconds) {
       this.sleepTimerSet = true
@@ -240,6 +241,71 @@ export default {
       this.playerHandler.closePlayer()
       this.$store.commit('setMediaPlaying', null)
     },
+    mediaSessionPlay() {
+      console.log('Media session play')
+      this.playerHandler.play()
+    },
+    mediaSessionPause() {
+      console.log('Media session pause')
+      this.playerHandler.pause()
+    },
+    mediaSessionStop() {
+      console.log('Media session stop')
+      this.playerHandler.pause()
+    },
+    mediaSessionSeekBackward() {
+      console.log('Media session seek backward')
+      this.playerHandler.jumpBackward()
+    },
+    mediaSessionSeekForward() {
+      console.log('Media session seek forward')
+      this.playerHandler.jumpForward()
+    },
+    mediaSessionSeekTo(e) {
+      console.log('Media session seek to', e)
+      if (e.seekTime !== null && !isNaN(e.seekTime)) {
+        this.playerHandler.seek(e.seekTime)
+      }
+    },
+    updateMediaSessionPlaybackState() {
+      if ('mediaSession' in navigator) {
+        navigator.mediaSession.playbackState = this.isPlaying ? 'playing' : 'paused'
+      }
+    },
+    setMediaSession() {
+      if (!this.streamLibraryItem) {
+        console.error('setMediaSession: No library item set')
+        return
+      }
+
+      if ('mediaSession' in navigator) {
+        var coverImageSrc = this.$store.getters['globals/getLibraryItemCoverSrc'](this.streamLibraryItem, '/Logo.png')
+        const artwork = [
+          {
+            src: coverImageSrc
+          }
+        ]
+
+        navigator.mediaSession.metadata = new MediaMetadata({
+          title: this.title,
+          artist: this.playerHandler.displayAuthor || this.mediaMetadata.authorName || 'Unknown',
+          album: this.mediaMetadata.seriesName || '',
+          artwork
+        })
+        console.log('Set media session metadata', navigator.mediaSession.metadata)
+
+        navigator.mediaSession.setActionHandler('play', this.mediaSessionPlay)
+        navigator.mediaSession.setActionHandler('pause', this.mediaSessionPause)
+        navigator.mediaSession.setActionHandler('stop', this.mediaSessionStop)
+        navigator.mediaSession.setActionHandler('seekbackward', this.mediaSessionSeekBackward)
+        navigator.mediaSession.setActionHandler('seekforward', this.mediaSessionSeekForward)
+        navigator.mediaSession.setActionHandler('seekto', this.mediaSessionSeekTo)
+        // navigator.mediaSession.setActionHandler('previoustrack')
+        // navigator.mediaSession.setActionHandler('nexttrack')
+      } else {
+        console.warn('Media session not available')
+      }
+    },
     streamProgress(data) {
       if (!data.numSegments) return
       var chunks = data.chunks
@@ -312,7 +378,6 @@ export default {
         libraryItem,
         episodeId
       })
-
       this.playerHandler.load(libraryItem, episodeId, true, this.initialPlaybackRate)
     },
     pauseItem() {
diff --git a/client/players/PlayerHandler.js b/client/players/PlayerHandler.js
index f3414faa..fdc25278 100644
--- a/client/players/PlayerHandler.js
+++ b/client/players/PlayerHandler.js
@@ -179,6 +179,9 @@ export default class PlayerHandler {
     }
 
     this.player.set(this.libraryItem, audioTracks, this.isHlsTranscode, this.startTime, this.playWhenReady)
+
+    // browser media session api
+    this.ctx.setMediaSession()
   }
 
   closePlayer() {