public void GetInstance(string key, bool shared, Action <PopupBase> callback)
{
var data = new PopupLoadData(key, shared, callback);
InputBlocker.Show(this);
loadList.Enqueue(data);
}
private IEnumerator LoadInstance(PopupLoadData loadData)
{
log.Debug("Instantiate '{0}'", loadData.key);
ResourceRequest req = Resources.LoadAsync(loadData.key);
yield return(req);
GameObject prefab = req.asset as GameObject;
if (prefab != null)
{
GameObject inst = Object.Instantiate(prefab);
inst.SetActive(true);
PopupBase p = inst.GetComponent <PopupBase>();
p.shared = loadData.shared;
p.transform.SetParent(transform, false);
if (loadData.shared)
{
instanceMap[loadData.key] = p;
lruCache.Remove(loadData.key);
lruCache.Add(loadData.key);
// check cache size
if (!IsImmortal(p.GetType()))
{
if (lruCache.Count > CACHE_SIZE)
{
string head = lruCache[0];
PopupBase oldPopup = instanceMap[head];
if (oldPopup.window.Status == UIPanelStatus.Hidden)
{
log.Debug("Destroy '{0}'", oldPopup.name);
instanceMap.Remove(head);
oldPopup.gameObject.DestroyEx();
lruCache.RemoveAt(0);
}
}
}
}
loadData.Complete(p);
}
else
{
log.Error("Popup '{0}' is missing", loadData.key);
loadData.Complete(null);
}
}
void Update()
{
if (currLoading != null)
{
if (currLoading.consumed)
{
currLoading = null;
}
else if (currLoading.shared)
{
PopupBase p = instanceMap.Get(currLoading.key);
if (p != null && p.window.Status.IsShowing())
{
currLoading = null;
}
}
}
if (loadList.Count > 0 && currLoading == null)
{
currLoading = loadList.Dequeue();
PopupBase p = null;
if (currLoading.shared)
{
lruCache.Remove(currLoading.key);
lruCache.Add(currLoading.key);
p = instanceMap.Get(currLoading.key);
}
if (p != null)
{
currLoading.Complete(p);
}
else
{
StartCoroutine(LoadInstance(currLoading));
}
}
}