263 lines
9.8 KiB
Java
263 lines
9.8 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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* 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, see
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* <http://www.gnu.org/licenses/>. */
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package com.keylesspalace.tusky;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.os.Bundle;
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import android.support.annotation.Nullable;
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import android.support.design.widget.TabLayout;
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import android.support.v4.widget.SwipeRefreshLayout;
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import android.support.v7.widget.DividerItemDecoration;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import com.android.volley.AuthFailureError;
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import com.android.volley.Response;
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import com.android.volley.VolleyError;
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import com.android.volley.toolbox.JsonArrayRequest;
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import org.json.JSONArray;
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import org.json.JSONException;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class NotificationsFragment extends SFragment implements
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SwipeRefreshLayout.OnRefreshListener, StatusActionListener, FooterActionListener {
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private static final String TAG = "Notifications"; // logging tag
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private SwipeRefreshLayout swipeRefreshLayout;
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private RecyclerView recyclerView;
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private LinearLayoutManager layoutManager;
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private EndlessOnScrollListener scrollListener;
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private NotificationsAdapter adapter;
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private TabLayout.OnTabSelectedListener onTabSelectedListener;
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public static NotificationsFragment newInstance() {
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NotificationsFragment fragment = new NotificationsFragment();
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Bundle arguments = new Bundle();
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fragment.setArguments(arguments);
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return fragment;
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}
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@Nullable
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@Override
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public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
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@Nullable Bundle savedInstanceState) {
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View rootView = inflater.inflate(R.layout.fragment_timeline, container, false);
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// Setup the SwipeRefreshLayout.
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Context context = getContext();
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swipeRefreshLayout = (SwipeRefreshLayout) rootView.findViewById(R.id.swipe_refresh_layout);
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swipeRefreshLayout.setOnRefreshListener(this);
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// Setup the RecyclerView.
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recyclerView = (RecyclerView) rootView.findViewById(R.id.recycler_view);
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recyclerView.setHasFixedSize(true);
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layoutManager = new LinearLayoutManager(context);
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recyclerView.setLayoutManager(layoutManager);
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DividerItemDecoration divider = new DividerItemDecoration(
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context, layoutManager.getOrientation());
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Drawable drawable = ThemeUtils.getDrawable(context, R.attr.status_divider_drawable,
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R.drawable.status_divider_dark);
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divider.setDrawable(drawable);
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recyclerView.addItemDecoration(divider);
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scrollListener = new EndlessOnScrollListener(layoutManager) {
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@Override
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public void onLoadMore(int page, int totalItemsCount, RecyclerView view) {
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NotificationsAdapter adapter = (NotificationsAdapter) view.getAdapter();
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Notification notification = adapter.getItem(adapter.getItemCount() - 2);
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if (notification != null) {
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sendFetchNotificationsRequest(notification.getId());
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} else {
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sendFetchNotificationsRequest();
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}
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}
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};
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recyclerView.addOnScrollListener(scrollListener);
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adapter = new NotificationsAdapter(this, this);
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recyclerView.setAdapter(adapter);
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TabLayout layout = (TabLayout) getActivity().findViewById(R.id.tab_layout);
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onTabSelectedListener = new TabLayout.OnTabSelectedListener() {
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@Override
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public void onTabSelected(TabLayout.Tab tab) {}
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@Override
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public void onTabUnselected(TabLayout.Tab tab) {}
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@Override
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public void onTabReselected(TabLayout.Tab tab) {
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jumpToTop();
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}
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};
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layout.addOnTabSelectedListener(onTabSelectedListener);
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sendFetchNotificationsRequest();
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return rootView;
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}
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@Override
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public void onDestroyView() {
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TabLayout tabLayout = (TabLayout) getActivity().findViewById(R.id.tab_layout);
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tabLayout.removeOnTabSelectedListener(onTabSelectedListener);
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super.onDestroyView();
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}
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private void jumpToTop() {
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layoutManager.scrollToPosition(0);
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scrollListener.reset();
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}
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private void sendFetchNotificationsRequest(final String fromId) {
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String endpoint = getString(R.string.endpoint_notifications);
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String url = "https://" + domain + endpoint;
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if (fromId != null) {
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url += "?max_id=" + fromId;
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}
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JsonArrayRequest request = new JsonArrayRequest(url,
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new Response.Listener<JSONArray>() {
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@Override
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public void onResponse(JSONArray response) {
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try {
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List<Notification> notifications = Notification.parse(response);
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onFetchNotificationsSuccess(notifications, fromId);
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} catch (JSONException e) {
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onFetchNotificationsFailure(e);
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}
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}
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}, new Response.ErrorListener() {
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@Override
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public void onErrorResponse(VolleyError error) {
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onFetchNotificationsFailure(error);
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}
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}) {
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@Override
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public Map<String, String> getHeaders() throws AuthFailureError {
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Map<String, String> headers = new HashMap<>();
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headers.put("Authorization", "Bearer " + accessToken);
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return headers;
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}
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};
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VolleySingleton.getInstance(getContext()).addToRequestQueue(request);
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}
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private void sendFetchNotificationsRequest() {
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sendFetchNotificationsRequest(null);
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}
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private static boolean findNotification(List<Notification> notifications, String id) {
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for (Notification notification : notifications) {
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if (notification.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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private void onFetchNotificationsSuccess(List<Notification> notifications, String fromId) {
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if (fromId != null) {
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if (notifications.size() > 0 && !findNotification(notifications, fromId)) {
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setFetchTimelineState(FooterViewHolder.State.LOADING);
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adapter.addItems(notifications);
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} else {
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setFetchTimelineState(FooterViewHolder.State.END_OF_TIMELINE);
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}
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} else {
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adapter.update(notifications);
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}
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swipeRefreshLayout.setRefreshing(false);
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}
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private void onFetchNotificationsFailure(Exception exception) {
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setFetchTimelineState(FooterViewHolder.State.RETRY);
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swipeRefreshLayout.setRefreshing(false);
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Log.e(TAG, "Fetch failure: " + exception.getMessage());
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}
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private void setFetchTimelineState(FooterViewHolder.State state) {
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adapter.setFooterState(state);
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RecyclerView.ViewHolder viewHolder =
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recyclerView.findViewHolderForAdapterPosition(adapter.getItemCount() - 1);
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if (viewHolder != null) {
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FooterViewHolder holder = (FooterViewHolder) viewHolder;
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holder.setState(state);
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}
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}
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public void onRefresh() {
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sendFetchNotificationsRequest();
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}
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public void onLoadMore() {
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Notification notification = adapter.getItem(adapter.getItemCount() - 2);
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if (notification != null) {
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sendFetchNotificationsRequest(notification.getId());
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} else {
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sendFetchNotificationsRequest();
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}
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}
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public void onReply(int position) {
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Notification notification = adapter.getItem(position);
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super.reply(notification.getStatus());
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}
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public void onReblog(boolean reblog, int position) {
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Notification notification = adapter.getItem(position);
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super.reblog(notification.getStatus(), reblog, adapter, position);
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}
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public void onFavourite(boolean favourite, int position) {
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Notification notification = adapter.getItem(position);
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super.favourite(notification.getStatus(), favourite, adapter, position);
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}
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public void onMore(View view, int position) {
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Notification notification = adapter.getItem(position);
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super.more(notification.getStatus(), view, adapter, position);
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}
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public void onViewMedia(String url, Status.MediaAttachment.Type type) {
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super.viewMedia(url, type);
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}
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public void onViewThread(int position) {
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Notification notification = adapter.getItem(position);
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super.viewThread(notification.getStatus());
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}
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public void onViewTag(String tag) {
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super.viewTag(tag);
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}
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public void onViewAccount(String id, String username) {
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super.viewAccount(id, username);
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}
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public void onViewAccount(int position) {
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Status status = adapter.getItem(position).getStatus();
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String id = status.getAccountId();
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String username = status.getUsername();
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super.viewAccount(id, username);
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}
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}
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