private IEnumerator <float> C_ShowUnlockedSongs(float delay)
        {
            //record current number of stars
            int oldStar = HighScoreManager.Instance.TotalStars;

            //wait 1 frame to collect new star record as other actions are going on
            yield return(1);

            int newStar = HighScoreManager.Instance.TotalStars;

            if (isNavigatingAway)
            {
                yield break;
            }

            //check for newly unlocked songs with star required falls between oldStar and newStar
            if (oldStar < newStar)
            {
                //list of newly unlocked songs
                List <SongDataModel> unlockedSongs = new List <SongDataModel>(5);

                var allsongs = GameManager.Instance.StoreData.listAllSongs;
                for (int i = 0; i < allsongs.Count; i++)
                {
                    if ((allsongs[i].starsToUnlock > oldStar) && (allsongs[i].starsToUnlock <= newStar))
                    {
                        if (!IsBought(allsongs[i].storeID))
                        {
                            unlockedSongs.Add(allsongs[i]);
                        }
                    }
                }


                //prepare to open unlocked scene
                NewlyUnlockedSongModel songs = new NewlyUnlockedSongModel();
                songs.newlyUnlockedSongs = unlockedSongs;

                if (unlockedSongs.Count >= 1)
                {
                    hasNewSongsUnlocked = true;
                    GameManager.Instance.SessionData.needAttentionSongList = true;
                    yield return(Timing.WaitForSeconds(delay));

                    AchievementHelper.Instance.LogAchievement("numSongPlayed", unlockedSongs.Count);
                    //call open unlocked scene
                    SceneManager.Instance.OpenPopup(ProjectConstants.Scenes.SongUnlockedPopup, songs);
                }
            }
        }
        public override void OnSet(object data)
        {
            newSongs = (NewlyUnlockedSongModel)data;
            ShouldProcessSongItemClick = true;
            if (newSongs == null)
            {
                Debug.LogWarning("Trying to show new unlocked songs without any data. Closing scene");
                SceneManager.Instance.CloseScene();
                return;
            }

            songsGrid.enabled = false;
            contentTween.cachedTransform.localPosition = Vector3.zero;
            //hide all song item views before showing animation
            for (int i = 0; i < listSongItems.Count; i++)
            {
                listSongItems[i].gameObject.SetActive(false);
                listSongItems[i].transform.localPosition = new Vector3(0, -800 - 400 * i);
            }

            Timing.RunCoroutine(ShowNewlyUnlockedSongs());
            buttonClose.SetActive(false);
        }