Yuito-app-android/app/src/main/java/com/keylesspalace/tusky/AccountAdapter.java

74 lines
2.4 KiB
Java

/* Copyright 2017 Andrew Dawson
*
* This file is part of Tusky.
*
* Tusky is free software: you can redistribute it and/or modify it under the terms of the GNU
* General Public License as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Tusky. If not, see
* <http://www.gnu.org/licenses/>. */
package com.keylesspalace.tusky;
import android.support.v7.widget.RecyclerView;
import java.util.ArrayList;
import java.util.List;
abstract class AccountAdapter extends RecyclerView.Adapter {
List<Account> accountList;
AccountActionListener accountActionListener;
FooterActionListener footerActionListener;
FooterViewHolder.State footerState;
AccountAdapter(AccountActionListener accountActionListener,
FooterActionListener footerActionListener) {
super();
accountList = new ArrayList<>();
this.accountActionListener = accountActionListener;
this.footerActionListener = footerActionListener;
footerState = FooterViewHolder.State.LOADING;
}
@Override
public int getItemCount() {
return accountList.size() + 1;
}
void update(List<Account> newAccounts) {
if (accountList == null || accountList.isEmpty()) {
accountList = newAccounts;
} else {
int index = newAccounts.indexOf(accountList.get(0));
if (index == -1) {
accountList.addAll(0, newAccounts);
} else {
accountList.addAll(0, newAccounts.subList(0, index));
}
}
notifyDataSetChanged();
}
void addItems(List<Account> newAccounts) {
int end = accountList.size();
accountList.addAll(newAccounts);
notifyItemRangeInserted(end, newAccounts.size());
}
public Account getItem(int position) {
if (position >= 0 && position < accountList.size()) {
return accountList.get(position);
}
return null;
}
void setFooterState(FooterViewHolder.State state) {
this.footerState = state;
}
}