chinwag-android/app/src/main/java/com/keylesspalace/tusky/NotificationsFragment.java
2017-04-09 20:12:31 -04:00

248 lines
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.content.Context;
import android.content.SharedPreferences;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.TabLayout;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.keylesspalace.tusky.entity.Notification;
import com.keylesspalace.tusky.entity.Status;
import java.util.List;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
public class NotificationsFragment extends SFragment implements
SwipeRefreshLayout.OnRefreshListener, StatusActionListener,
NotificationsAdapter.NotificationActionListener {
private static final String TAG = "Notifications"; // logging tag
private SwipeRefreshLayout swipeRefreshLayout;
private LinearLayoutManager layoutManager;
private EndlessOnScrollListener scrollListener;
private NotificationsAdapter adapter;
private TabLayout.OnTabSelectedListener onTabSelectedListener;
private Call<List<Notification>> listCall;
public static NotificationsFragment newInstance() {
NotificationsFragment fragment = new NotificationsFragment();
Bundle arguments = new Bundle();
fragment.setArguments(arguments);
return fragment;
}
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_timeline, container, false);
// Setup the SwipeRefreshLayout.
Context context = getContext();
swipeRefreshLayout = (SwipeRefreshLayout) rootView.findViewById(R.id.swipe_refresh_layout);
swipeRefreshLayout.setOnRefreshListener(this);
// Setup the RecyclerView.
RecyclerView recyclerView = (RecyclerView) rootView.findViewById(R.id.recycler_view);
recyclerView.setHasFixedSize(true);
layoutManager = new LinearLayoutManager(context);
recyclerView.setLayoutManager(layoutManager);
DividerItemDecoration divider = new DividerItemDecoration(
context, layoutManager.getOrientation());
Drawable drawable = ThemeUtils.getDrawable(context, R.attr.status_divider_drawable,
R.drawable.status_divider_dark);
divider.setDrawable(drawable);
recyclerView.addItemDecoration(divider);
scrollListener = new EndlessOnScrollListener(layoutManager) {
@Override
public void onLoadMore(int page, int totalItemsCount, RecyclerView view) {
NotificationsAdapter adapter = (NotificationsAdapter) view.getAdapter();
Notification notification = adapter.getItem(adapter.getItemCount() - 2);
if (notification != null) {
sendFetchNotificationsRequest(notification.id, null);
} else {
sendFetchNotificationsRequest();
}
}
};
recyclerView.addOnScrollListener(scrollListener);
adapter = new NotificationsAdapter(this, this);
recyclerView.setAdapter(adapter);
TabLayout layout = (TabLayout) getActivity().findViewById(R.id.tab_layout);
onTabSelectedListener = new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {}
@Override
public void onTabUnselected(TabLayout.Tab tab) {}
@Override
public void onTabReselected(TabLayout.Tab tab) {
jumpToTop();
}
};
layout.addOnTabSelectedListener(onTabSelectedListener);
return rootView;
}
@Override
public void onResume() {
super.onResume();
sendFetchNotificationsRequest();
}
@Override
public void onDestroy() {
super.onDestroy();
if (listCall != null) listCall.cancel();
}
@Override
public void onDestroyView() {
TabLayout tabLayout = (TabLayout) getActivity().findViewById(R.id.tab_layout);
tabLayout.removeOnTabSelectedListener(onTabSelectedListener);
super.onDestroyView();
}
private void jumpToTop() {
layoutManager.scrollToPosition(0);
scrollListener.reset();
}
private void sendFetchNotificationsRequest(final String fromId, String uptoId) {
MastodonAPI api = ((BaseActivity) getActivity()).mastodonAPI;
listCall = api.notifications(fromId, uptoId, null);
listCall.enqueue(new Callback<List<Notification>>() {
@Override
public void onResponse(Call<List<Notification>> call, Response<List<Notification>> response) {
if (response.isSuccessful()) {
onFetchNotificationsSuccess(response.body(), fromId);
} else {
onFetchNotificationsFailure(new Exception(response.message()));
}
}
@Override
public void onFailure(Call<List<Notification>> call, Throwable t) {
onFetchNotificationsFailure((Exception) t);
}
});
callList.add(listCall);
}
private void sendFetchNotificationsRequest() {
sendFetchNotificationsRequest(null, null);
}
private static boolean findNotification(List<Notification> notifications, String id) {
for (Notification notification : notifications) {
if (notification.id.equals(id)) {
return true;
}
}
return false;
}
private void onFetchNotificationsSuccess(List<Notification> notifications, String fromId) {
if (fromId != null) {
if (notifications.size() > 0 && !findNotification(notifications, fromId)) {
adapter.addItems(notifications);
// Set last update id for pull notifications so that we don't get notified
// about things we already loaded here
SharedPreferences preferences = getActivity().getSharedPreferences(getString(R.string.preferences_file_key), Context.MODE_PRIVATE);
SharedPreferences.Editor editor = preferences.edit();
editor.putString("lastUpdateId", notifications.get(0).id);
editor.apply();
}
} else {
adapter.update(notifications);
}
swipeRefreshLayout.setRefreshing(false);
}
private void onFetchNotificationsFailure(Exception exception) {
swipeRefreshLayout.setRefreshing(false);
Log.e(TAG, "Fetch failure: " + exception.getMessage());
}
public void onRefresh() {
Notification notification = adapter.getItem(0);
if (notification != null) {
sendFetchNotificationsRequest(null, notification.id);
} else {
sendFetchNotificationsRequest();
}
}
public void onReply(int position) {
Notification notification = adapter.getItem(position);
super.reply(notification.status);
}
public void onReblog(boolean reblog, int position) {
Notification notification = adapter.getItem(position);
super.reblog(notification.status, reblog, adapter, position);
}
public void onFavourite(boolean favourite, int position) {
Notification notification = adapter.getItem(position);
super.favourite(notification.status, favourite, adapter, position);
}
public void onMore(View view, int position) {
Notification notification = adapter.getItem(position);
super.more(notification.status, view, adapter, position);
}
public void onViewMedia(String url, Status.MediaAttachment.Type type) {
super.viewMedia(url, type);
}
public void onViewThread(int position) {
Notification notification = adapter.getItem(position);
super.viewThread(notification.status);
}
public void onViewTag(String tag) {
super.viewTag(tag);
}
public void onViewAccount(String id) {
super.viewAccount(id);
}
}