void Start()
{
Init();
RecyclableList.Create(Data.Count, ListItem);
RecyclableList.gameObject.SetActive(true);
}
/// <summary>
/// Post parameters to all subscibed methods
/// 将参数广播到全部监听方法
/// </summary>
/// <param name="tag"></param>
/// <param name="parameters"></param>
public void Post(string tag, params object[] parameters)
{
if (!_subscribeTag2Methods.TryGetValue(tag, out var todo))
{
return;
}
if (todo.Count == 0)
{
return;
}
var executeEvent = RecyclableList <MessageEvent> .Create();
foreach (var td in todo)
{
if (td.Tag != tag)
{
continue;
}
try
{
executeEvent.Add(td);
}
catch (Exception ex)
{
Log.Error(ex);
}
}
foreach (var messageEvent in executeEvent)
{
messageEvent.Invoke(parameters);
}
executeEvent.Dispose();
}
static NonAlloc()
{
recyclableLists = new RecyclableList[RecyclableListCount];
for (int i = 0; i < recyclableLists.Length; ++i)
{
recyclableLists[i] = new RecyclableList(initialCapacity: 1024);
}
}
/// <summary>
/// Removes a user from the list.
/// </summary>
/// <param name="nameToRemove">username of the user to remove</param>
public void RemoveItem(string nameToRemove)
{
int index = Data.FindIndex(data => data.Name == nameToRemove);
if (index < 0)
{
Debug.LogError("Couldn't remove " + nameToRemove + " from contact list (not found)");
return;
}
Data.RemoveAt(index);
RecyclableList.RemoveItemAt(index);
}
/// <summary>
/// Set's avatar for a user in the list.
/// </summary>
/// <param name="friend">username of the user we want to set avatar to</param>
/// <param name="avatar">avatar to set</param>
public void SetAvatar(string friend, Texture avatar)
{
foreach (FriendListItem.FriendItemData friendData in Data)
{
if (friendData.Name.Equals(friend))
{
friendData.Avatar = avatar;
break;
}
}
RecyclableList.NotifyDataChanged();
}
public void IncrementUnreadCount(string friend)
{
foreach (FriendListItem.FriendItemData friendData in Data)
{
if (friendData.Name.Equals(friend))
{
friendData.UnreadMessages++;
break;
}
}
RecyclableList.NotifyDataChanged();
}
/// <summary>
/// Unregister all subscribed methods in a type
/// 取消注册某类型中全部被监听方法
/// </summary>
/// <param name="val"></param>
public void Unregister <T>(T val) where T : class
{
if (!_subscribeInstance2Methods.TryGetValue(val, out var methods))
{
return;
}
var tmpMethods = RecyclableList <MessageEvent> .Create();
tmpMethods.AddRange(methods);
foreach (var method in tmpMethods)
{
UnregisterOneMethod(method.Tag, val);
}
tmpMethods.Dispose();
}
/// <summary>
/// Adds new user to the list.
/// </summary>
/// <param name="friendName">username of the added user</param>
/// <param name="status">added user's status</param>
/// <param name="isFriend">true if the added user is friend</param>
public void AddItem(string friendName, Status status, bool isFriend = true)
{
var itemData = new FriendListItem.FriendItemData
{
Name = friendName,
UnreadMessages = 0,
Status = status,
IsFriend = isFriend
};
if (isFriend)
{
// when adding friend we need remove user with same login from list
// if they are already there as a nearby player
if (Data.Exists(d => d.Name == friendName))
{
RemoveItem(friendName);
}
if (status == Status.Offline)
{
// offline friends are added to the bottom
Data.Add(itemData);
RecyclableList.AddItem(ListItem);
}
else
{
// online friends are added right behind nearby players
var firstFriendIndex = Data.FindIndex(p => p.IsFriend);
if (firstFriendIndex < 0)
{
firstFriendIndex = 0;
}
Data.Insert(firstFriendIndex, itemData);
RecyclableList.InsertItem(firstFriendIndex, ListItem);
}
}
else
{
Data.Insert(0, itemData);
RecyclableList.InsertItem(0, ListItem);
}
}
/// <summary>
/// Change status of a user in the list.
/// </summary>
/// <param name="friend">username of the user we want to change status</param>
/// <param name="newStatus">new status of the user</param>
public void ChangeStatus(string friend, Status newStatus)
{
int index = Data.FindIndex(data => data.Name == friend);
if (index < 0)
{
return;
}
var changedData = Data[index];
var oldStatus = changedData.Status;
changedData.Status = newStatus;
if (oldStatus != Status.Offline && newStatus == Status.Offline)
{
// if friend went offline we roll every online friend that's after them
// in the list 1 place forward until we reach offline friend or end of the list
for (int i = index; i < Data.Count; i++)
{
if (i + 1 == Data.Count || Data[i + 1].Status == Status.Offline)
{
Data[i] = changedData;
break;
}
Data[i] = Data[i + 1];
}
}
else if (oldStatus == Status.Offline && newStatus != Status.Offline)
{
// if user came online we roll every offline friend in front of him 1 place behind
// until we reach first online friend of beginning of the list
for (int i = index; i >= 0; i--)
{
if (i == 0 || Data[i - 1].Status != Status.Offline)
{
Data[i] = changedData;
break;
}
Data[i] = Data[i - 1];
}
}
RecyclableList.NotifyDataChanged();
}
/// <summary>
/// Removes every user from the list.
/// </summary>
public void Clear()
{
Data = new List <FriendListItem.FriendItemData>();
RecyclableList.Destroy();
Start();
}
