293 lines
10 KiB
Java
293 lines
10 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.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.keylesspalace.tusky.entity.Status;
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import java.util.List;
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import retrofit2.Call;
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import retrofit2.Callback;
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public class TimelineFragment extends SFragment implements
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SwipeRefreshLayout.OnRefreshListener, StatusActionListener {
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private static final String TAG = "Timeline"; // logging tag
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private Call<List<Status>> listCall;
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enum Kind {
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HOME,
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PUBLIC_LOCAL,
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PUBLIC_FEDERATED,
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TAG,
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USER,
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FAVOURITES
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}
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private SwipeRefreshLayout swipeRefreshLayout;
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private TimelineAdapter adapter;
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private Kind kind;
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private String hashtagOrId;
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private LinearLayoutManager layoutManager;
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private EndlessOnScrollListener scrollListener;
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private TabLayout.OnTabSelectedListener onTabSelectedListener;
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public static TimelineFragment newInstance(Kind kind) {
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TimelineFragment fragment = new TimelineFragment();
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Bundle arguments = new Bundle();
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arguments.putString("kind", kind.name());
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fragment.setArguments(arguments);
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return fragment;
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}
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public static TimelineFragment newInstance(Kind kind, String hashtagOrId) {
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TimelineFragment fragment = new TimelineFragment();
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Bundle arguments = new Bundle();
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arguments.putString("kind", kind.name());
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arguments.putString("hashtag_or_id", hashtagOrId);
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fragment.setArguments(arguments);
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return fragment;
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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Bundle arguments = getArguments();
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kind = Kind.valueOf(arguments.getString("kind"));
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if (kind == Kind.TAG || kind == Kind.USER) {
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hashtagOrId = arguments.getString("hashtag_or_id");
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}
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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 = (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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TimelineAdapter adapter = (TimelineAdapter) view.getAdapter();
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Status status = adapter.getItem(adapter.getItemCount() - 2);
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if (status != null) {
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sendFetchTimelineRequest(status.id, null);
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} else {
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sendFetchTimelineRequest();
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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 TimelineAdapter(this);
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recyclerView.setAdapter(adapter);
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if (jumpToTopAllowed()) {
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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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}
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return rootView;
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (listCall != null) listCall.cancel();
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}
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@Override
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public void onDestroyView() {
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if (jumpToTopAllowed()) {
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TabLayout tabLayout = (TabLayout) getActivity().findViewById(R.id.tab_layout);
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tabLayout.removeOnTabSelectedListener(onTabSelectedListener);
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}
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super.onDestroyView();
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}
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private boolean jumpToTopAllowed() {
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return kind != Kind.TAG && kind != Kind.FAVOURITES;
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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 sendFetchTimelineRequest(@Nullable final String fromId, @Nullable String uptoId) {
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MastodonAPI api = ((BaseActivity) getActivity()).mastodonAPI;
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Callback<List<Status>> cb = new Callback<List<Status>>() {
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@Override
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public void onResponse(Call<List<Status>> call, retrofit2.Response<List<Status>> response) {
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if (response.isSuccessful()) {
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onFetchTimelineSuccess(response.body(), fromId);
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} else {
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onFetchTimelineFailure(new Exception(response.message()));
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}
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}
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@Override
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public void onFailure(Call<List<Status>> call, Throwable t) {
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onFetchTimelineFailure((Exception) t);
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}
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};
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switch (kind) {
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default:
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case HOME: {
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listCall = api.homeTimeline(fromId, uptoId, null);
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break;
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}
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case PUBLIC_FEDERATED: {
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listCall = api.publicTimeline(null, fromId, uptoId, null);
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break;
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}
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case PUBLIC_LOCAL: {
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listCall = api.publicTimeline(true, fromId, uptoId, null);
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break;
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}
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case TAG: {
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listCall = api.hashtagTimeline(hashtagOrId, null, fromId, uptoId, null);
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break;
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}
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case USER: {
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listCall = api.accountStatuses(hashtagOrId, fromId, uptoId, null);
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break;
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}
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case FAVOURITES: {
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listCall = api.favourites(fromId, uptoId, null);
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break;
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}
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}
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callList.add(listCall);
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listCall.enqueue(cb);
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}
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private void sendFetchTimelineRequest() {
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sendFetchTimelineRequest(null, null);
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}
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private static boolean findStatus(List<Status> statuses, String id) {
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for (Status status : statuses) {
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if (status.id.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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public void onFetchTimelineSuccess(List<Status> statuses, String fromId) {
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if (fromId != null) {
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if (statuses.size() > 0 && !findStatus(statuses, fromId)) {
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adapter.addItems(statuses);
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}
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} else {
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adapter.update(statuses);
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}
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swipeRefreshLayout.setRefreshing(false);
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}
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public void onFetchTimelineFailure(Exception exception) {
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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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public void onRefresh() {
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Status status = adapter.getItem(0);
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if (status != null) {
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sendFetchTimelineRequest(null, status.id);
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} else {
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sendFetchTimelineRequest();
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}
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}
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public void onReply(int position) {
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super.reply(adapter.getItem(position));
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}
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public void onReblog(final boolean reblog, final int position) {
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super.reblog(adapter.getItem(position), reblog, adapter, position);
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}
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public void onFavourite(final boolean favourite, final int position) {
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super.favourite(adapter.getItem(position), favourite, adapter, position);
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}
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public void onMore(View view, final int position) {
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super.more(adapter.getItem(position), 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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super.viewThread(adapter.getItem(position));
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}
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public void onViewTag(String tag) {
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if (kind == Kind.TAG && hashtagOrId.equals(tag)) {
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// If already viewing a tag page, then ignore any request to view that tag again.
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return;
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}
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super.viewTag(tag);
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}
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public void onViewAccount(String id) {
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if (kind == Kind.USER && hashtagOrId.equals(id)) {
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/* If already viewing an account page, then any requests to view that account page
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* should be ignored. */
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return;
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}
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super.viewAccount(id);
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}
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}
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