Stop voice note on video playback.

app/src/main/java/org/thoughtcrime/securesms/MediaPreviewActivity.java

@@ -55,6 +55,8 @@ import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.animation.DepthPageTransformer;
 import org.thoughtcrime.securesms.attachments.DatabaseAttachment;
 import org.thoughtcrime.securesms.components.viewpager.ExtendedOnPageChangedListener;
+import org.thoughtcrime.securesms.components.voice.VoiceNoteMediaController;
+import org.thoughtcrime.securesms.components.voice.VoiceNoteMediaControllerOwner;
 import org.thoughtcrime.securesms.conversation.mutiselect.MultiselectPart;
 import org.thoughtcrime.securesms.conversation.mutiselect.forward.MultiselectForwardBottomSheet;
 import org.thoughtcrime.securesms.conversation.mutiselect.forward.MultiselectForwardFragment;
@@ -91,7 +93,8 @@ import java.util.Objects;
 public final class MediaPreviewActivity extends PassphraseRequiredActivity
   implements LoaderManager.LoaderCallbacks<Pair<Cursor, Integer>>,
              MediaRailAdapter.RailItemListener,
-             MediaPreviewFragment.Events
+             MediaPreviewFragment.Events,
+             VoiceNoteMediaControllerOwner
 {
 
   private final static String TAG = Log.tag(MediaPreviewActivity.class);
@@ -131,6 +134,8 @@ public final class MediaPreviewActivity extends PassphraseRequiredActivity
   private MediaDatabase.Sorting sorting;
   private FullscreenHelper      fullscreenHelper;
 
+  private VoiceNoteMediaController voiceNoteMediaController;
+
   private @Nullable Cursor cursor = null;
 
   public static @NonNull Intent intentFromMediaRecord(@NonNull Context context,
@@ -163,6 +168,7 @@ public final class MediaPreviewActivity extends PassphraseRequiredActivity
 
     setSupportActionBar(findViewById(R.id.toolbar));
 
+    voiceNoteMediaController = new VoiceNoteMediaController(this);
     viewModel = ViewModelProviders.of(this).get(MediaPreviewViewModel.class);
 
     fullscreenHelper = new FullscreenHelper(this);
@@ -609,6 +615,11 @@ public final class MediaPreviewActivity extends PassphraseRequiredActivity
   public void onMediaReady() {
   }
 
+  @Override
+  public @NonNull VoiceNoteMediaController getVoiceNoteMediaController() {
+    return voiceNoteMediaController;
+  }
+
   private class ViewPagerListener extends ExtendedOnPageChangedListener {
 
     @Override

app/src/main/java/org/thoughtcrime/securesms/components/voice/VoiceNoteMediaController.java

@@ -220,6 +220,13 @@ public class VoiceNoteMediaController implements DefaultLifecycleObserver {
     }
   }
 
+  /**
+   * Pauses playback regardless of which audio slide is playing.
+   */
+  public void pausePlayback() {
+    getMediaController().getTransportControls().pause();
+  }
+
   /**
    * Seeks to a given position if th given audio slide is playing. This call
    * is ignored if the given audio slide is not currently playing.

app/src/main/java/org/thoughtcrime/securesms/mediapreview/VideoMediaPreviewFragment.java

@@ -11,6 +11,8 @@ import androidx.annotation.Nullable;
 
 import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.components.voice.VoiceNoteMediaController;
+import org.thoughtcrime.securesms.components.voice.VoiceNoteMediaControllerOwner;
 import org.thoughtcrime.securesms.mms.VideoSlide;
 import org.thoughtcrime.securesms.util.MediaUtil;
 import org.thoughtcrime.securesms.video.VideoPlayer;
@@ -61,6 +63,9 @@ public final class VideoMediaPreviewFragment extends MediaPreviewFragment {
 
       @Override
       public void onPlaying() {
+        if (!isVideoGif && requireActivity() instanceof VoiceNoteMediaControllerOwner) {
+          ((VoiceNoteMediaControllerOwner) requireActivity()).getVoiceNoteMediaController().pausePlayback();
+        }
       }
 
       @Override
@@ -93,6 +98,7 @@ public final class VideoMediaPreviewFragment extends MediaPreviewFragment {
   @Override
   public void onResume() {
     super.onResume();
+
     if (videoView != null && isVideoGif) {
       videoView.play();
     }

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

@@ -7,10 +7,14 @@ import android.os.Bundle
 import androidx.appcompat.app.AppCompatDelegate
 import org.thoughtcrime.securesms.PassphraseRequiredActivity
 import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.components.voice.VoiceNoteMediaController
+import org.thoughtcrime.securesms.components.voice.VoiceNoteMediaControllerOwner
 import org.thoughtcrime.securesms.recipients.RecipientId
 import org.thoughtcrime.securesms.stories.StoryTextPostModel
 
-class StoryViewerActivity : PassphraseRequiredActivity() {
+class StoryViewerActivity : PassphraseRequiredActivity(), VoiceNoteMediaControllerOwner {
+
+  override lateinit var voiceNoteMediaController: VoiceNoteMediaController
 
   override fun attachBaseContext(newBase: Context) {
     delegate.localNightMode = AppCompatDelegate.MODE_NIGHT_YES
@@ -23,6 +27,8 @@ class StoryViewerActivity : PassphraseRequiredActivity() {
     super.onCreate(savedInstanceState, ready)
     setContentView(R.layout.fragment_container)
 
+    voiceNoteMediaController = VoiceNoteMediaController(this)
+
     if (savedInstanceState == null) {
       supportFragmentManager.beginTransaction()
         .replace(