Rename useVideoSource to useVideoAndSubtitles in Player

As both subtitles and video tracks are disabled in this method, the
goal of this rename is to highlight disabling/enabled subtitles.

Author: AudricV

app/src/main/java/org/schabi/newpipe/player/Player.java

@@ -2195,12 +2195,12 @@ private void notifyAudioTrackUpdateToListeners() {
         }
     }
 
-    public void useVideoSource(final boolean videoEnabled) {
+    public void useVideoAndSubtitles(final boolean videoAndSubtitlesEnabled) {
         if (playQueue == null || audioPlayerSelected()) {
             return;
         }
 
-        isAudioOnly = !videoEnabled;
+        isAudioOnly = !videoAndSubtitlesEnabled;
 
         getCurrentStreamInfo().ifPresentOrElse(info -> {
             // In case we don't know the source type, fall back to either video-with-audio, or
@@ -2214,10 +2214,11 @@ public void useVideoSource(final boolean videoEnabled) {
 
             setRecovery();
 
-            // Disable or enable video and subtitles renderers depending of the videoEnabled value
+            // Disable or enable video and subtitles renderers depending of the
+            // videoAndSubtitlesEnabled value
             trackSelector.setParameters(trackSelector.buildUponParameters()
-                    .setTrackTypeDisabled(C.TRACK_TYPE_TEXT, !videoEnabled)
-                    .setTrackTypeDisabled(C.TRACK_TYPE_VIDEO, !videoEnabled));
+                    .setTrackTypeDisabled(C.TRACK_TYPE_TEXT, !videoAndSubtitlesEnabled)
+                    .setTrackTypeDisabled(C.TRACK_TYPE_VIDEO, !videoAndSubtitlesEnabled));
         }, () -> {
             /*
             The current metadata may be null sometimes (for e.g. when using an unstable connection

app/src/main/java/org/schabi/newpipe/player/ui/MainPlayerUi.java

@@ -331,7 +331,7 @@ public void onBroadcastReceived(final Intent intent) {
         } else if (VideoDetailFragment.ACTION_VIDEO_FRAGMENT_RESUMED.equals(intent.getAction())) {
             // Restore video source when user returns to the fragment
             fragmentIsVisible = true;
-            player.useVideoSource(true);
+            player.useVideoAndSubtitles(true);
 
             // When a user returns from background, the system UI will always be shown even if
             // controls are invisible: hide it in that case
@@ -370,7 +370,7 @@ private void onFragmentStopped() {
         if (player.isPlaying() || player.isLoading()) {
             switch (getMinimizeOnExitAction(context)) {
                 case MINIMIZE_ON_EXIT_MODE_BACKGROUND:
-                    player.useVideoSource(false);
+                    player.useVideoAndSubtitles(false);
                     break;
                 case MINIMIZE_ON_EXIT_MODE_POPUP:
                     getParentActivity().ifPresent(activity -> {

app/src/main/java/org/schabi/newpipe/player/ui/PopupPlayerUi.java

@@ -219,10 +219,10 @@ public void onBroadcastReceived(final Intent intent) {
         } else if (player.isPlaying() || player.isLoading()) {
             if (Intent.ACTION_SCREEN_OFF.equals(intent.getAction())) {
                 // Use only audio source when screen turns off while popup player is playing
-                player.useVideoSource(false);
+                player.useVideoAndSubtitles(false);
             } else if (Intent.ACTION_SCREEN_ON.equals(intent.getAction())) {
                 // Restore video source when screen turns on and user was watching video in popup
-                player.useVideoSource(true);
+                player.useVideoAndSubtitles(true);
             }
         }
     }