Method onActionTts

app/src/main/java/eu/faircode/email/EntityRule.java:1318–1345

(Context context, EntityMessage message, boolean browsed, JSONObject jargs)

    }

    private boolean onActionTts(Context context, EntityMessage message, boolean browsed, JSONObject jargs) {
        DB db = DB.getInstance(context);

        if (message.ui_seen || browsed)
            return false;

        if (!message.content && this.id != null) {
            EntityOperation.queue(context, message, EntityOperation.BODY);
            EntityOperation.queue(context, message, EntityOperation.RULE, this.id, browsed);
            return true;
        }

        Helper.getMediaTaskExecutor().submit(new Runnable() {
            @Override
            public void run() {
                try {
                    if (MediaPlayerHelper.isInCall(context) || MediaPlayerHelper.isDnd(context))
                        return;
                    speak(context, EntityRule.this, message);
                } catch (Throwable ex) {
                    db.message().setMessageError(message.id, Log.formatThrowable(ex));
                    Log.w(ex);
                }
            }
        });

        return true;
    }

    private static void speak(Context context, EntityRule rule, EntityMessage message) throws IOException {
        if (Helper.isPlayStoreInstall())