122 lines
3.9 KiB
Java
122 lines
3.9 KiB
Java
/* Copyright 2017 Andrew Dawson
|
|
*
|
|
* This file is a part of Tusky.
|
|
*
|
|
* This program 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.annotation.Nullable;
|
|
import android.support.v7.widget.RecyclerView;
|
|
import android.view.LayoutInflater;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
|
|
import com.keylesspalace.tusky.entity.Status;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
|
|
class TimelineAdapter extends RecyclerView.Adapter implements AdapterItemRemover {
|
|
private static final int VIEW_TYPE_STATUS = 0;
|
|
private static final int VIEW_TYPE_FOOTER = 1;
|
|
|
|
private List<Status> statuses;
|
|
private StatusActionListener statusListener;
|
|
|
|
TimelineAdapter(StatusActionListener statusListener) {
|
|
super();
|
|
statuses = new ArrayList<>();
|
|
this.statusListener = statusListener;
|
|
}
|
|
|
|
@Override
|
|
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
|
|
switch (viewType) {
|
|
default:
|
|
case VIEW_TYPE_STATUS: {
|
|
View view = LayoutInflater.from(viewGroup.getContext())
|
|
.inflate(R.layout.item_status, viewGroup, false);
|
|
return new StatusViewHolder(view);
|
|
}
|
|
case VIEW_TYPE_FOOTER: {
|
|
View view = LayoutInflater.from(viewGroup.getContext())
|
|
.inflate(R.layout.item_footer, viewGroup, false);
|
|
return new FooterViewHolder(view);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int position) {
|
|
if (position < statuses.size()) {
|
|
StatusViewHolder holder = (StatusViewHolder) viewHolder;
|
|
Status status = statuses.get(position);
|
|
holder.setupWithStatus(status, statusListener);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public int getItemCount() {
|
|
return statuses.size() + 1;
|
|
}
|
|
|
|
@Override
|
|
public int getItemViewType(int position) {
|
|
if (position == statuses.size()) {
|
|
return VIEW_TYPE_FOOTER;
|
|
} else {
|
|
return VIEW_TYPE_STATUS;
|
|
}
|
|
}
|
|
|
|
void update(List<Status> newStatuses) {
|
|
if (newStatuses == null || newStatuses.isEmpty()) {
|
|
return;
|
|
}
|
|
if (statuses.isEmpty()) {
|
|
statuses = newStatuses;
|
|
} else {
|
|
int index = statuses.indexOf(newStatuses.get(newStatuses.size() - 1));
|
|
for (int i = 0; i < index; i++) {
|
|
statuses.remove(0);
|
|
}
|
|
int newIndex = newStatuses.indexOf(statuses.get(0));
|
|
if (newIndex == -1) {
|
|
statuses.addAll(0, newStatuses);
|
|
} else {
|
|
statuses.addAll(0, newStatuses.subList(0, newIndex));
|
|
}
|
|
}
|
|
notifyDataSetChanged();
|
|
}
|
|
|
|
void addItems(List<Status> newStatuses) {
|
|
int end = statuses.size();
|
|
statuses.addAll(newStatuses);
|
|
notifyItemRangeInserted(end, newStatuses.size());
|
|
}
|
|
|
|
public void removeItem(int position) {
|
|
statuses.remove(position);
|
|
notifyItemRemoved(position);
|
|
}
|
|
|
|
@Nullable
|
|
Status getItem(int position) {
|
|
if (position >= 0 && position < statuses.size()) {
|
|
return statuses.get(position);
|
|
}
|
|
return null;
|
|
}
|
|
}
|