Unmute Stories when ringer mode changed.

app/src/main/java/org/thoughtcrime/securesms/stories/viewer/StoryViewerActivity.kt

@@ -1,7 +1,9 @@
 package org.thoughtcrime.securesms.stories.viewer
 
+import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import android.content.IntentFilter
 import android.media.AudioManager
 import android.os.Build
 import android.os.Bundle
@@ -33,6 +35,8 @@ class StoryViewerActivity : PassphraseRequiredActivity(), VoiceNoteMediaControll
   private val viewModel: StoryVolumeViewModel by viewModels()
   private val storyViewStateViewModel: StoryViewStateViewModel by viewModels()
 
+  val ringerModeReceiver = RingerModeReceiver()
+
   override lateinit var voiceNoteMediaController: VoiceNoteMediaController
 
   override fun attachBaseContext(newBase: Context) {
@@ -88,6 +92,11 @@ class StoryViewerActivity : PassphraseRequiredActivity(), VoiceNoteMediaControll
     outState.putParcelable(DATA_CACHE, storyViewStateViewModel.storyViewStateCache)
   }
 
+  override fun onPause() {
+    super.onPause()
+    unregisterReceiver(ringerModeReceiver)
+  }
+
   override fun onDestroy() {
     super.onDestroy()
     Glide.get(this).setMemoryCategory(MemoryCategory.NORMAL)
@@ -95,6 +104,7 @@ class StoryViewerActivity : PassphraseRequiredActivity(), VoiceNoteMediaControll
 
   override fun onResume() {
     super.onResume()
+    registerReceiver(ringerModeReceiver, IntentFilter(AudioManager.RINGER_MODE_CHANGED_ACTION))
     if (StoryMutePolicy.isContentMuted) {
       viewModel.mute()
     } else {
@@ -142,6 +152,21 @@ class StoryViewerActivity : PassphraseRequiredActivity(), VoiceNoteMediaControll
     return super.onKeyDown(keyCode, event)
   }
 
+  inner class RingerModeReceiver : BroadcastReceiver() {
+    override fun onReceive(context: Context?, intent: Intent?) {
+      when (intent?.getIntExtra(AudioManager.EXTRA_RINGER_MODE, AudioManager.RINGER_MODE_SILENT)) {
+        AudioManager.RINGER_MODE_NORMAL -> {
+          StoryMutePolicy.isContentMuted = false
+          viewModel.unmute()
+        }
+        else -> {
+          StoryMutePolicy.isContentMuted = true
+          viewModel.mute()
+        }
+      }
+    }
+  }
+
   companion object {
     private const val ARGS = "story.viewer.args"
     private const val DATA_CACHE = "story.viewer.cache"