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