@Override
public void onEvent(FriendChangedNotify friendChangedNotify) {
List<Friend> addedOrUpdatedFriends = friendChangedNotify.getAddedOrUpdatedFriends();
List<String> myFriendAccounts = new ArrayList<>(addedOrUpdatedFriends.size());
List<String> friendAccounts = new ArrayList<>(addedOrUpdatedFriends.size());
List<String> deletedFriendAccounts = friendChangedNotify.getDeletedFriends();
// 如果在黑名单中，那么不加到好友列表中
String account;
for (Friend f : addedOrUpdatedFriends) {
account = f.getAccount();
friendMap.put(account, f);
friendAccounts.add(account);
if (NIMClient.getService(FriendService.class).isInBlackList(account)) {
continue;
}
myFriendAccounts.add(account);
}
// 更新我的好友关系
if (!myFriendAccounts.isEmpty()) {
// update cache
friendAccountSet.addAll(myFriendAccounts);
// log
DataCacheManager.Log(myFriendAccounts, "on add friends", UIKitLogTag.FRIEND_CACHE);
}
// 通知好友关系更新
if (!friendAccounts.isEmpty()) {
for (FriendDataChangedObserver o : friendObservers) {
o.onAddedOrUpdatedFriends(friendAccounts);
}
}
// 处理被删除的好友关系
if (!deletedFriendAccounts.isEmpty()) {
// update cache
friendAccountSet.removeAll(deletedFriendAccounts);
for (String a : deletedFriendAccounts) {
friendMap.remove(a);
}
// log
DataCacheManager.Log(
deletedFriendAccounts, "on delete friends", UIKitLogTag.FRIEND_CACHE);
// notify
for (FriendDataChangedObserver o : friendObservers) {
o.onDeletedFriends(deletedFriendAccounts);
}
}
}