117 lines
3.7 KiB
Java
117 lines
3.7 KiB
Java
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* 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 General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.adapter;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.recyclerview.widget.RecyclerView;
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import com.keylesspalace.tusky.entity.Account;
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import com.keylesspalace.tusky.interfaces.AccountActionListener;
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import com.keylesspalace.tusky.util.ListUtils;
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import java.util.ArrayList;
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import java.util.List;
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public abstract class AccountAdapter extends RecyclerView.Adapter {
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static final int VIEW_TYPE_ACCOUNT = 0;
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static final int VIEW_TYPE_FOOTER = 1;
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List<Account> accountList;
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AccountActionListener accountActionListener;
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private boolean bottomLoading;
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protected final boolean animateEmojis;
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protected final boolean animateAvatar;
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AccountAdapter(AccountActionListener accountActionListener, boolean animateAvatar, boolean animateEmojis) {
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this.accountList = new ArrayList<>();
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this.accountActionListener = accountActionListener;
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this.animateAvatar = animateAvatar;
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this.animateEmojis = animateEmojis;
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bottomLoading = false;
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}
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@Override
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public int getItemCount() {
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return accountList.size() + (bottomLoading ? 1 : 0);
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}
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@Override
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public int getItemViewType(int position) {
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if (position == accountList.size() && bottomLoading) {
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return VIEW_TYPE_FOOTER;
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} else {
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return VIEW_TYPE_ACCOUNT;
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}
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}
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public void update(@NonNull List<Account> newAccounts) {
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accountList = ListUtils.removeDuplicates(newAccounts);
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notifyDataSetChanged();
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}
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public void addItems(@NonNull List<Account> newAccounts) {
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int end = accountList.size();
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Account last = accountList.get(end - 1);
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if (last != null && !findAccount(newAccounts, last.getId())) {
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accountList.addAll(newAccounts);
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notifyItemRangeInserted(end, newAccounts.size());
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}
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}
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public void setBottomLoading(boolean loading) {
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boolean wasLoading = bottomLoading;
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if(wasLoading == loading) {
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return;
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}
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bottomLoading = loading;
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if(loading) {
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notifyItemInserted(accountList.size());
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} else {
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notifyItemRemoved(accountList.size());
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}
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}
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private static boolean findAccount(@NonNull List<Account> accounts, String id) {
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for (Account account : accounts) {
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if (account.getId().equals(id)) {
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return true;
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}
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}
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return false;
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}
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@Nullable
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public Account removeItem(int position) {
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if (position < 0 || position >= accountList.size()) {
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return null;
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}
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Account account = accountList.remove(position);
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notifyItemRemoved(position);
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return account;
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}
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public void addItem(@NonNull Account account, int position) {
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if (position < 0 || position > accountList.size()) {
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return;
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}
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accountList.add(position, account);
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notifyItemInserted(position);
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}
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}
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