857 lines
34 KiB
Java
857 lines
34 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.fragment;
|
|
|
|
import android.arch.core.util.Function;
|
|
import android.content.Context;
|
|
import android.content.SharedPreferences;
|
|
import android.graphics.drawable.Drawable;
|
|
import android.os.Bundle;
|
|
import android.preference.PreferenceManager;
|
|
import android.support.annotation.NonNull;
|
|
import android.support.annotation.Nullable;
|
|
import android.support.design.widget.FloatingActionButton;
|
|
import android.support.design.widget.TabLayout;
|
|
import android.support.v4.content.LocalBroadcastManager;
|
|
import android.support.v4.util.Pair;
|
|
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.util.Log;
|
|
import android.view.LayoutInflater;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
|
|
import com.keylesspalace.tusky.BuildConfig;
|
|
import com.keylesspalace.tusky.R;
|
|
import com.keylesspalace.tusky.adapter.FooterViewHolder;
|
|
import com.keylesspalace.tusky.adapter.TimelineAdapter;
|
|
import com.keylesspalace.tusky.di.Injectable;
|
|
import com.keylesspalace.tusky.entity.Attachment;
|
|
import com.keylesspalace.tusky.entity.Status;
|
|
import com.keylesspalace.tusky.interfaces.ActionButtonActivity;
|
|
import com.keylesspalace.tusky.interfaces.StatusActionListener;
|
|
import com.keylesspalace.tusky.network.MastodonApi;
|
|
import com.keylesspalace.tusky.network.TimelineCases;
|
|
import com.keylesspalace.tusky.receiver.TimelineReceiver;
|
|
import com.keylesspalace.tusky.util.CollectionUtil;
|
|
import com.keylesspalace.tusky.util.Either;
|
|
import com.keylesspalace.tusky.util.HttpHeaderLink;
|
|
import com.keylesspalace.tusky.util.ListUtils;
|
|
import com.keylesspalace.tusky.util.PairedList;
|
|
import com.keylesspalace.tusky.util.ThemeUtils;
|
|
import com.keylesspalace.tusky.util.ViewDataUtils;
|
|
import com.keylesspalace.tusky.view.EndlessOnScrollListener;
|
|
import com.keylesspalace.tusky.viewdata.StatusViewData;
|
|
|
|
import java.util.Iterator;
|
|
import java.util.List;
|
|
import java.util.Locale;
|
|
import java.util.regex.Matcher;
|
|
import java.util.regex.Pattern;
|
|
|
|
import javax.inject.Inject;
|
|
|
|
import retrofit2.Call;
|
|
import retrofit2.Callback;
|
|
import retrofit2.Response;
|
|
|
|
public class TimelineFragment extends SFragment implements
|
|
SwipeRefreshLayout.OnRefreshListener,
|
|
StatusActionListener,
|
|
SharedPreferences.OnSharedPreferenceChangeListener,
|
|
Injectable {
|
|
private static final String TAG = "TimelineF"; // logging tag
|
|
private static final String KIND_ARG = "kind";
|
|
private static final String HASHTAG_OR_ID_ARG = "hashtag_or_id";
|
|
|
|
private static final int LOAD_AT_ONCE = 30;
|
|
|
|
public enum Kind {
|
|
HOME,
|
|
PUBLIC_LOCAL,
|
|
PUBLIC_FEDERATED,
|
|
TAG,
|
|
USER,
|
|
FAVOURITES,
|
|
LIST
|
|
}
|
|
|
|
private enum FetchEnd {
|
|
TOP,
|
|
BOTTOM,
|
|
MIDDLE
|
|
}
|
|
|
|
@Inject
|
|
TimelineCases timelineCases;
|
|
|
|
private SwipeRefreshLayout swipeRefreshLayout;
|
|
private TimelineAdapter adapter;
|
|
private Kind kind;
|
|
private String hashtagOrId;
|
|
private RecyclerView recyclerView;
|
|
private LinearLayoutManager layoutManager;
|
|
private EndlessOnScrollListener scrollListener;
|
|
private TabLayout.OnTabSelectedListener onTabSelectedListener;
|
|
private boolean filterRemoveReplies;
|
|
private boolean filterRemoveReblogs;
|
|
private boolean filterRemoveRegex;
|
|
private Matcher filterRemoveRegexMatcher;
|
|
private boolean hideFab;
|
|
private TimelineReceiver timelineReceiver;
|
|
private boolean topLoading;
|
|
private int topFetches;
|
|
private boolean bottomLoading;
|
|
private int bottomFetches;
|
|
@Nullable
|
|
private String bottomId;
|
|
@Nullable
|
|
private String topId;
|
|
|
|
private boolean alwaysShowSensitiveMedia;
|
|
|
|
@Override
|
|
protected TimelineCases timelineCases() {
|
|
return timelineCases;
|
|
}
|
|
|
|
private PairedList<Either<Placeholder, Status>, StatusViewData> statuses =
|
|
new PairedList<>(new Function<Either<Placeholder, Status>, StatusViewData>() {
|
|
@Override
|
|
public StatusViewData apply(Either<Placeholder, Status> input) {
|
|
Status status = input.getAsRightOrNull();
|
|
if (status != null) {
|
|
return ViewDataUtils.statusToViewData(status, alwaysShowSensitiveMedia);
|
|
} else {
|
|
return new StatusViewData.Placeholder(false);
|
|
}
|
|
}
|
|
});
|
|
|
|
public static TimelineFragment newInstance(Kind kind) {
|
|
TimelineFragment fragment = new TimelineFragment();
|
|
Bundle arguments = new Bundle();
|
|
arguments.putString(KIND_ARG, kind.name());
|
|
fragment.setArguments(arguments);
|
|
return fragment;
|
|
}
|
|
|
|
public static TimelineFragment newInstance(Kind kind, String hashtagOrId) {
|
|
TimelineFragment fragment = new TimelineFragment();
|
|
Bundle arguments = new Bundle();
|
|
arguments.putString(KIND_ARG, kind.name());
|
|
arguments.putString(HASHTAG_OR_ID_ARG, hashtagOrId);
|
|
fragment.setArguments(arguments);
|
|
return fragment;
|
|
}
|
|
|
|
private static final class Placeholder {
|
|
private final static Placeholder INSTANCE = new Placeholder();
|
|
|
|
public static Placeholder getInstance() {
|
|
return INSTANCE;
|
|
}
|
|
|
|
private Placeholder() {
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
|
|
Bundle savedInstanceState) {
|
|
Bundle arguments = getArguments();
|
|
kind = Kind.valueOf(arguments.getString(KIND_ARG));
|
|
if (kind == Kind.TAG || kind == Kind.USER || kind == Kind.LIST) {
|
|
hashtagOrId = arguments.getString(HASHTAG_OR_ID_ARG);
|
|
}
|
|
|
|
final View rootView = inflater.inflate(R.layout.fragment_timeline, container, false);
|
|
|
|
// Setup the SwipeRefreshLayout.
|
|
Context context = getContext();
|
|
swipeRefreshLayout = rootView.findViewById(R.id.swipe_refresh_layout);
|
|
swipeRefreshLayout.setOnRefreshListener(this);
|
|
swipeRefreshLayout.setColorSchemeResources(R.color.primary);
|
|
swipeRefreshLayout.setProgressBackgroundColorSchemeColor(ThemeUtils.getColor(context, android.R.attr.colorBackground));
|
|
// Setup the 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);
|
|
adapter = new TimelineAdapter(this);
|
|
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(
|
|
getActivity());
|
|
preferences.registerOnSharedPreferenceChangeListener(this);
|
|
alwaysShowSensitiveMedia = preferences.getBoolean("alwaysShowSensitiveMedia", false);
|
|
boolean mediaPreviewEnabled = preferences.getBoolean("mediaPreviewEnabled", true);
|
|
adapter.setMediaPreviewEnabled(mediaPreviewEnabled);
|
|
recyclerView.setAdapter(adapter);
|
|
|
|
boolean filter = preferences.getBoolean("tabFilterHomeReplies", true);
|
|
filterRemoveReplies = kind == Kind.HOME && !filter;
|
|
|
|
filter = preferences.getBoolean("tabFilterHomeBoosts", true);
|
|
filterRemoveReblogs = kind == Kind.HOME && !filter;
|
|
|
|
String regexFilter = preferences.getString("tabFilterRegex", "");
|
|
filterRemoveRegex = (kind == Kind.HOME || kind == Kind.PUBLIC_LOCAL || kind == Kind.PUBLIC_FEDERATED) && !regexFilter.isEmpty();
|
|
if (filterRemoveRegex) filterRemoveRegexMatcher = Pattern.compile(regexFilter, Pattern.CASE_INSENSITIVE).matcher("");
|
|
|
|
timelineReceiver = new TimelineReceiver(this, this);
|
|
LocalBroadcastManager.getInstance(context.getApplicationContext())
|
|
.registerReceiver(timelineReceiver, TimelineReceiver.getFilter(kind));
|
|
|
|
statuses.clear();
|
|
topLoading = false;
|
|
topFetches = 0;
|
|
bottomLoading = false;
|
|
bottomFetches = 0;
|
|
bottomId = null;
|
|
topId = null;
|
|
|
|
return rootView;
|
|
}
|
|
|
|
@Override
|
|
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
|
|
super.onActivityCreated(savedInstanceState);
|
|
|
|
if (jumpToTopAllowed()) {
|
|
TabLayout layout = getActivity().findViewById(R.id.tab_layout);
|
|
if (layout != null) {
|
|
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);
|
|
}
|
|
}
|
|
|
|
/* This is delayed until onActivityCreated solely because MainActivity.composeButton isn't
|
|
* guaranteed to be set until then. */
|
|
if (actionButtonPresent()) {
|
|
/* Use a modified scroll listener that both loads more statuses as it goes, and hides
|
|
* the follow button on down-scroll. */
|
|
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getContext());
|
|
hideFab = preferences.getBoolean("fabHide", false);
|
|
scrollListener = new EndlessOnScrollListener(layoutManager) {
|
|
@Override
|
|
public void onScrolled(RecyclerView view, int dx, int dy) {
|
|
super.onScrolled(view, dx, dy);
|
|
|
|
ActionButtonActivity activity = (ActionButtonActivity) getActivity();
|
|
FloatingActionButton composeButton = activity.getActionButton();
|
|
|
|
if (composeButton != null) {
|
|
if (hideFab) {
|
|
if (dy > 0 && composeButton.isShown()) {
|
|
composeButton.hide(); // hides the button if we're scrolling down
|
|
} else if (dy < 0 && !composeButton.isShown()) {
|
|
composeButton.show(); // shows it if we are scrolling up
|
|
}
|
|
} else if (!composeButton.isShown()) {
|
|
composeButton.show();
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onLoadMore(int page, int totalItemsCount, RecyclerView view) {
|
|
TimelineFragment.this.onLoadMore();
|
|
}
|
|
};
|
|
} else {
|
|
// Just use the basic scroll listener to load more statuses.
|
|
scrollListener = new EndlessOnScrollListener(layoutManager) {
|
|
@Override
|
|
public void onLoadMore(int page, int totalItemsCount, RecyclerView view) {
|
|
TimelineFragment.this.onLoadMore();
|
|
}
|
|
};
|
|
}
|
|
recyclerView.addOnScrollListener(scrollListener);
|
|
}
|
|
|
|
@Override
|
|
public void onDestroyView() {
|
|
if (jumpToTopAllowed()) {
|
|
TabLayout tabLayout = getActivity().findViewById(R.id.tab_layout);
|
|
if (tabLayout != null) {
|
|
tabLayout.removeOnTabSelectedListener(onTabSelectedListener);
|
|
}
|
|
}
|
|
LocalBroadcastManager.getInstance(getContext()).unregisterReceiver(timelineReceiver);
|
|
super.onDestroyView();
|
|
}
|
|
|
|
@Override
|
|
public void onRefresh() {
|
|
sendFetchTimelineRequest(null, topId, FetchEnd.TOP, -1);
|
|
}
|
|
|
|
@Override
|
|
public void onReply(int position) {
|
|
super.reply(statuses.get(position).getAsRight());
|
|
}
|
|
|
|
@Override
|
|
public void onReblog(final boolean reblog, final int position) {
|
|
final Status status = statuses.get(position).getAsRight();
|
|
timelineCases.reblogWithCallback(status, reblog, new Callback<Status>() {
|
|
@Override
|
|
public void onResponse(@NonNull Call<Status> call, @NonNull Response<Status> response) {
|
|
|
|
if (response.isSuccessful()) {
|
|
status.setReblogged(reblog);
|
|
|
|
if (status.getReblog() != null) {
|
|
status.getReblog().setReblogged(reblog);
|
|
}
|
|
|
|
Pair<StatusViewData.Concrete, Integer> actual =
|
|
findStatusAndPosition(position, status);
|
|
if (actual == null) return;
|
|
|
|
StatusViewData newViewData =
|
|
new StatusViewData.Builder(actual.first)
|
|
.setReblogged(reblog)
|
|
.createStatusViewData();
|
|
statuses.setPairedItem(actual.second, newViewData);
|
|
adapter.changeItem(actual.second, newViewData, false);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onFailure(@NonNull Call<Status> call, @NonNull Throwable t) {
|
|
Log.d(TAG, "Failed to reblog status " + status.getId(), t);
|
|
}
|
|
});
|
|
}
|
|
|
|
@Override
|
|
public void onFavourite(final boolean favourite, final int position) {
|
|
final Status status = statuses.get(position).getAsRight();
|
|
|
|
timelineCases.favouriteWithCallback(status, favourite, new Callback<Status>() {
|
|
@Override
|
|
public void onResponse(@NonNull Call<Status> call, @NonNull Response<Status> response) {
|
|
|
|
if (response.isSuccessful()) {
|
|
status.setFavourited(favourite);
|
|
|
|
if (status.getReblog() != null) {
|
|
status.getReblog().setFavourited(favourite);
|
|
}
|
|
|
|
Pair<StatusViewData.Concrete, Integer> actual =
|
|
findStatusAndPosition(position, status);
|
|
if (actual == null) return;
|
|
|
|
StatusViewData newViewData = new StatusViewData
|
|
.Builder(actual.first)
|
|
.setFavourited(favourite)
|
|
.createStatusViewData();
|
|
statuses.setPairedItem(actual.second, newViewData);
|
|
adapter.changeItem(actual.second, newViewData, false);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onFailure(@NonNull Call<Status> call, @NonNull Throwable t) {
|
|
Log.d(TAG, "Failed to favourite status " + status.getId(), t);
|
|
}
|
|
});
|
|
}
|
|
|
|
@Override
|
|
public void onMore(View view, final int position) {
|
|
super.more(statuses.get(position).getAsRight(), view, position);
|
|
}
|
|
|
|
@Override
|
|
public void onOpenReblog(int position) {
|
|
super.openReblog(statuses.get(position).getAsRight());
|
|
}
|
|
|
|
@Override
|
|
public void onExpandedChange(boolean expanded, int position) {
|
|
StatusViewData newViewData = new StatusViewData.Builder(
|
|
((StatusViewData.Concrete) statuses.getPairedItem(position)))
|
|
.setIsExpanded(expanded).createStatusViewData();
|
|
statuses.setPairedItem(position, newViewData);
|
|
adapter.changeItem(position, newViewData, false);
|
|
}
|
|
|
|
@Override
|
|
public void onContentHiddenChange(boolean isShowing, int position) {
|
|
StatusViewData newViewData = new StatusViewData.Builder(
|
|
((StatusViewData.Concrete) statuses.getPairedItem(position)))
|
|
.setIsShowingSensitiveContent(isShowing).createStatusViewData();
|
|
statuses.setPairedItem(position, newViewData);
|
|
adapter.changeItem(position, newViewData, false);
|
|
}
|
|
|
|
@Override
|
|
public void onLoadMore(int position) {
|
|
//check bounds before accessing list,
|
|
if (statuses.size() >= position && position > 0) {
|
|
Status fromStatus = statuses.get(position - 1).getAsRightOrNull();
|
|
Status toStatus = statuses.get(position + 1).getAsRightOrNull();
|
|
if (fromStatus == null || toStatus == null) {
|
|
Log.e(TAG, "Failed to load more at " + position + ", wrong placeholder position");
|
|
return;
|
|
}
|
|
sendFetchTimelineRequest(fromStatus.getId(), toStatus.getId(), FetchEnd.MIDDLE, position);
|
|
|
|
StatusViewData newViewData = new StatusViewData.Placeholder(true);
|
|
statuses.setPairedItem(position, newViewData);
|
|
adapter.changeItem(position, newViewData, false);
|
|
} else {
|
|
Log.e(TAG, "error loading more");
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onViewMedia(String[] urls, int urlIndex, Attachment.Type type,
|
|
View view) {
|
|
super.viewMedia(urls, urlIndex, type, view);
|
|
}
|
|
|
|
@Override
|
|
public void onViewThread(int position) {
|
|
super.viewThread(statuses.get(position).getAsRight());
|
|
}
|
|
|
|
@Override
|
|
public void onViewTag(String tag) {
|
|
if (kind == Kind.TAG && hashtagOrId.equals(tag)) {
|
|
// If already viewing a tag page, then ignore any request to view that tag again.
|
|
return;
|
|
}
|
|
super.viewTag(tag);
|
|
}
|
|
|
|
@Override
|
|
public void onViewAccount(String id) {
|
|
if (kind == Kind.USER && hashtagOrId.equals(id)) {
|
|
/* If already viewing an account page, then any requests to view that account page
|
|
* should be ignored. */
|
|
return;
|
|
}
|
|
super.viewAccount(id);
|
|
}
|
|
|
|
@Override
|
|
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
|
|
switch (key) {
|
|
case "fabHide": {
|
|
hideFab = sharedPreferences.getBoolean("fabHide", false);
|
|
break;
|
|
}
|
|
case "mediaPreviewEnabled": {
|
|
boolean enabled = sharedPreferences.getBoolean("mediaPreviewEnabled", true);
|
|
adapter.setMediaPreviewEnabled(enabled);
|
|
fullyRefresh();
|
|
break;
|
|
}
|
|
case "tabFilterHomeReplies": {
|
|
boolean filter = sharedPreferences.getBoolean("tabFilterHomeReplies", true);
|
|
boolean oldRemoveReplies = filterRemoveReplies;
|
|
filterRemoveReplies = kind == Kind.HOME && !filter;
|
|
if (adapter.getItemCount() > 1 && oldRemoveReplies != filterRemoveReplies) {
|
|
fullyRefresh();
|
|
}
|
|
break;
|
|
}
|
|
case "tabFilterHomeBoosts": {
|
|
boolean filter = sharedPreferences.getBoolean("tabFilterHomeBoosts", true);
|
|
boolean oldRemoveReblogs = filterRemoveReblogs;
|
|
filterRemoveReblogs = kind == Kind.HOME && !filter;
|
|
if (adapter.getItemCount() > 1 && oldRemoveReblogs != filterRemoveReblogs) {
|
|
fullyRefresh();
|
|
}
|
|
break;
|
|
}
|
|
case "tabFilterRegex": {
|
|
boolean oldFilterRemoveRegex = filterRemoveRegex;
|
|
String newFilterRemoveRegexPattern = sharedPreferences.getString("tabFilterRegex", "");
|
|
boolean patternChanged;
|
|
if (filterRemoveRegexMatcher != null) {
|
|
patternChanged = !newFilterRemoveRegexPattern.equalsIgnoreCase(filterRemoveRegexMatcher.pattern().pattern());
|
|
} else {
|
|
patternChanged = !newFilterRemoveRegexPattern.isEmpty();
|
|
}
|
|
filterRemoveRegex = (kind == Kind.HOME || kind == Kind.PUBLIC_LOCAL || kind == Kind.PUBLIC_FEDERATED) && !newFilterRemoveRegexPattern.isEmpty();
|
|
if (oldFilterRemoveRegex != filterRemoveRegex || patternChanged) {
|
|
filterRemoveRegexMatcher = Pattern.compile(newFilterRemoveRegexPattern, Pattern.CASE_INSENSITIVE).matcher("");
|
|
fullyRefresh();
|
|
}
|
|
break;
|
|
}
|
|
case "alwaysShowSensitiveMedia": {
|
|
//it is ok if only newly loaded statuses are affected, no need to fully refresh
|
|
alwaysShowSensitiveMedia = sharedPreferences.getBoolean("alwaysShowSensitiveMedia", false);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void removeItem(int position) {
|
|
statuses.remove(position);
|
|
adapter.update(statuses.getPairedCopy());
|
|
}
|
|
|
|
@Override
|
|
public void removeAllByAccountId(String accountId) {
|
|
// using iterator to safely remove items while iterating
|
|
Iterator<Either<Placeholder, Status>> iterator = statuses.iterator();
|
|
while (iterator.hasNext()) {
|
|
Status status = iterator.next().getAsRightOrNull();
|
|
if (status != null && status.getAccount().getId().equals(accountId)) {
|
|
iterator.remove();
|
|
}
|
|
}
|
|
adapter.update(statuses.getPairedCopy());
|
|
}
|
|
|
|
private void onLoadMore() {
|
|
sendFetchTimelineRequest(bottomId, null, FetchEnd.BOTTOM, -1);
|
|
}
|
|
|
|
private void fullyRefresh() {
|
|
adapter.clear();
|
|
sendFetchTimelineRequest(null, null, FetchEnd.TOP, -1);
|
|
}
|
|
|
|
private boolean jumpToTopAllowed() {
|
|
return kind != Kind.TAG && kind != Kind.FAVOURITES;
|
|
}
|
|
|
|
private boolean actionButtonPresent() {
|
|
return kind != Kind.TAG && kind != Kind.FAVOURITES;
|
|
}
|
|
|
|
private void jumpToTop() {
|
|
layoutManager.scrollToPosition(0);
|
|
recyclerView.stopScroll();
|
|
scrollListener.reset();
|
|
}
|
|
|
|
private Call<List<Status>> getFetchCallByTimelineType(Kind kind, String tagOrId, String fromId,
|
|
String uptoId) {
|
|
MastodonApi api = mastodonApi;
|
|
switch (kind) {
|
|
default:
|
|
case HOME:
|
|
return api.homeTimeline(fromId, uptoId, null);
|
|
case PUBLIC_FEDERATED:
|
|
return api.publicTimeline(null, fromId, uptoId, LOAD_AT_ONCE);
|
|
case PUBLIC_LOCAL:
|
|
return api.publicTimeline(true, fromId, uptoId, LOAD_AT_ONCE);
|
|
case TAG:
|
|
return api.hashtagTimeline(tagOrId, null, fromId, uptoId, LOAD_AT_ONCE);
|
|
case USER:
|
|
return api.accountStatuses(tagOrId, fromId, uptoId, LOAD_AT_ONCE, null);
|
|
case FAVOURITES:
|
|
return api.favourites(fromId, uptoId, LOAD_AT_ONCE);
|
|
case LIST:
|
|
return api.listTimeline(tagOrId, fromId, uptoId, LOAD_AT_ONCE);
|
|
}
|
|
}
|
|
|
|
private void sendFetchTimelineRequest(@Nullable String fromId, @Nullable String uptoId,
|
|
final FetchEnd fetchEnd, final int pos) {
|
|
/* If there is a fetch already ongoing, record however many fetches are requested and
|
|
* fulfill them after it's complete. */
|
|
if (fetchEnd == FetchEnd.TOP && topLoading) {
|
|
topFetches++;
|
|
return;
|
|
}
|
|
if (fetchEnd == FetchEnd.BOTTOM && bottomLoading) {
|
|
bottomFetches++;
|
|
return;
|
|
}
|
|
|
|
if (fromId != null || adapter.getItemCount() <= 1) {
|
|
/* When this is called by the EndlessScrollListener it cannot refresh the footer state
|
|
* using adapter.notifyItemChanged. So its necessary to postpone doing so until a
|
|
* convenient time for the UI thread using a Runnable. */
|
|
recyclerView.post(() -> adapter.setFooterState(FooterViewHolder.State.LOADING));
|
|
}
|
|
|
|
Callback<List<Status>> callback = new Callback<List<Status>>() {
|
|
@Override
|
|
public void onResponse(@NonNull Call<List<Status>> call, @NonNull Response<List<Status>> response) {
|
|
if (response.isSuccessful()) {
|
|
String linkHeader = response.headers().get("Link");
|
|
onFetchTimelineSuccess(response.body(), linkHeader, fetchEnd, pos);
|
|
} else {
|
|
onFetchTimelineFailure(new Exception(response.message()), fetchEnd, pos);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onFailure(@NonNull Call<List<Status>> call, @NonNull Throwable t) {
|
|
onFetchTimelineFailure((Exception) t, fetchEnd, pos);
|
|
}
|
|
};
|
|
|
|
Call<List<Status>> listCall = getFetchCallByTimelineType(kind, hashtagOrId, fromId, uptoId);
|
|
callList.add(listCall);
|
|
listCall.enqueue(callback);
|
|
}
|
|
|
|
private void onFetchTimelineSuccess(List<Status> statuses, String linkHeader,
|
|
FetchEnd fetchEnd, int pos) {
|
|
// We filled the hole (or reached the end) if the server returned less statuses than we
|
|
// we asked for.
|
|
boolean fullFetch = statuses.size() >= LOAD_AT_ONCE;
|
|
filterStatuses(statuses);
|
|
List<HttpHeaderLink> links = HttpHeaderLink.parse(linkHeader);
|
|
switch (fetchEnd) {
|
|
case TOP: {
|
|
HttpHeaderLink previous = HttpHeaderLink.findByRelationType(links, "prev");
|
|
String uptoId = null;
|
|
if (previous != null) {
|
|
uptoId = previous.uri.getQueryParameter("since_id");
|
|
}
|
|
updateStatuses(statuses, null, uptoId, fullFetch);
|
|
break;
|
|
}
|
|
case MIDDLE: {
|
|
replacePlaceholderWithStatuses(statuses, fullFetch, pos);
|
|
break;
|
|
}
|
|
case BOTTOM: {
|
|
HttpHeaderLink next = HttpHeaderLink.findByRelationType(links, "next");
|
|
String fromId = null;
|
|
if (next != null) {
|
|
fromId = next.uri.getQueryParameter("max_id");
|
|
}
|
|
if (adapter.getItemCount() > 1) {
|
|
addItems(statuses, fromId);
|
|
} else {
|
|
/* If this is the first fetch, also save the id from the "previous" link and
|
|
* treat this operation as a refresh so the scroll position doesn't get pushed
|
|
* down to the end. */
|
|
HttpHeaderLink previous = HttpHeaderLink.findByRelationType(links, "prev");
|
|
String uptoId = null;
|
|
if (previous != null) {
|
|
uptoId = previous.uri.getQueryParameter("since_id");
|
|
}
|
|
updateStatuses(statuses, fromId, uptoId, fullFetch);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
fulfillAnyQueuedFetches(fetchEnd);
|
|
if (statuses.size() == 0 && adapter.getItemCount() == 1) {
|
|
adapter.setFooterState(FooterViewHolder.State.EMPTY);
|
|
} else {
|
|
adapter.setFooterState(FooterViewHolder.State.END);
|
|
}
|
|
swipeRefreshLayout.setRefreshing(false);
|
|
}
|
|
|
|
private void onFetchTimelineFailure(Exception exception, FetchEnd fetchEnd, int position) {
|
|
swipeRefreshLayout.setRefreshing(false);
|
|
|
|
if (fetchEnd == FetchEnd.MIDDLE && !statuses.get(position).isRight()) {
|
|
StatusViewData newViewData = new StatusViewData.Placeholder(false);
|
|
statuses.setPairedItem(position, newViewData);
|
|
adapter.changeItem(position, newViewData, true);
|
|
}
|
|
|
|
Log.e(TAG, "Fetch Failure: " + exception.getMessage());
|
|
fulfillAnyQueuedFetches(fetchEnd);
|
|
}
|
|
|
|
private void fulfillAnyQueuedFetches(FetchEnd fetchEnd) {
|
|
switch (fetchEnd) {
|
|
case BOTTOM: {
|
|
bottomLoading = false;
|
|
if (bottomFetches > 0) {
|
|
bottomFetches--;
|
|
onLoadMore();
|
|
}
|
|
break;
|
|
}
|
|
case TOP: {
|
|
topLoading = false;
|
|
if (topFetches > 0) {
|
|
topFetches--;
|
|
onRefresh();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void filterStatuses(List<Status> statuses) {
|
|
Iterator<Status> it = statuses.iterator();
|
|
while (it.hasNext()) {
|
|
Status status = it.next();
|
|
if ((status.getInReplyToId() != null && filterRemoveReplies)
|
|
|| (status.getReblog() != null && filterRemoveReblogs)
|
|
|| (filterRemoveRegex && (filterRemoveRegexMatcher.reset(status.getContent()).find()
|
|
|| (!status.getSpoilerText().isEmpty() && filterRemoveRegexMatcher.reset(status.getContent()).find())))) {
|
|
it.remove();
|
|
}
|
|
}
|
|
}
|
|
|
|
private void updateStatuses(List<Status> newStatuses, @Nullable String fromId,
|
|
@Nullable String toId, boolean fullFetch) {
|
|
if (ListUtils.isEmpty(newStatuses)) {
|
|
return;
|
|
}
|
|
if (fromId != null) {
|
|
bottomId = fromId;
|
|
}
|
|
if (toId != null) {
|
|
topId = toId;
|
|
}
|
|
|
|
List<Either<Placeholder, Status>> liftedNew = listStatusList(newStatuses);
|
|
|
|
if (statuses.isEmpty()) {
|
|
statuses.addAll(liftedNew);
|
|
} else {
|
|
Either<Placeholder, Status> lastOfNew = liftedNew.get(newStatuses.size() - 1);
|
|
int index = statuses.indexOf(lastOfNew);
|
|
|
|
for (int i = 0; i < index; i++) {
|
|
statuses.remove(0);
|
|
}
|
|
int newIndex = liftedNew.indexOf(statuses.get(0));
|
|
if (newIndex == -1) {
|
|
if (index == -1 && fullFetch) {
|
|
liftedNew.add(Either.left(Placeholder.getInstance()));
|
|
}
|
|
statuses.addAll(0, liftedNew);
|
|
} else {
|
|
statuses.addAll(0, liftedNew.subList(0, newIndex));
|
|
}
|
|
}
|
|
adapter.update(statuses.getPairedCopy());
|
|
}
|
|
|
|
private void addItems(List<Status> newStatuses, @Nullable String fromId) {
|
|
if (ListUtils.isEmpty(newStatuses)) {
|
|
return;
|
|
}
|
|
int end = statuses.size();
|
|
Status last = statuses.get(end - 1).getAsRightOrNull();
|
|
// I was about to replace findStatus with indexOf but it is incorrect to compare value
|
|
// types by ID anyway and we should change equals() for Status, I think, so this makes sense
|
|
if (last != null && !findStatus(newStatuses, last.getId())) {
|
|
statuses.addAll(listStatusList(newStatuses));
|
|
List<StatusViewData> newViewDatas = statuses.getPairedCopy()
|
|
.subList(statuses.size() - newStatuses.size(), statuses.size());
|
|
if (BuildConfig.DEBUG && newStatuses.size() != newViewDatas.size()) {
|
|
String error = String.format(Locale.getDefault(),
|
|
"Incorrectly got statusViewData sublist." +
|
|
" newStatuses.size == %d newViewDatas.size == %d, statuses.size == %d",
|
|
newStatuses.size(), newViewDatas.size(), statuses.size());
|
|
throw new AssertionError(error);
|
|
}
|
|
if (fromId != null) {
|
|
bottomId = fromId;
|
|
}
|
|
adapter.addItems(newViewDatas);
|
|
}
|
|
}
|
|
|
|
private void replacePlaceholderWithStatuses(List<Status> newStatuses, boolean fullFetch, int pos) {
|
|
Status status = statuses.get(pos).getAsRightOrNull();
|
|
if (status == null) {
|
|
statuses.remove(pos);
|
|
}
|
|
|
|
if (ListUtils.isEmpty(newStatuses)) {
|
|
adapter.update(statuses.getPairedCopy());
|
|
return;
|
|
}
|
|
|
|
List<Either<Placeholder, Status>> liftedNew = listStatusList(newStatuses);
|
|
|
|
if (fullFetch) {
|
|
liftedNew.add(Either.left(Placeholder.getInstance()));
|
|
}
|
|
|
|
statuses.addAll(pos, liftedNew);
|
|
adapter.update(statuses.getPairedCopy());
|
|
|
|
}
|
|
|
|
private static boolean findStatus(List<Status> statuses, String id) {
|
|
for (Status status : statuses) {
|
|
if (status.getId().equals(id)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private final Function<Status, Either<Placeholder, Status>> statusLifter =
|
|
Either::right;
|
|
|
|
private @Nullable
|
|
Pair<StatusViewData.Concrete, Integer>
|
|
findStatusAndPosition(int position, Status status) {
|
|
StatusViewData.Concrete statusToUpdate;
|
|
int positionToUpdate;
|
|
StatusViewData someOldViewData = statuses.getPairedItem(position);
|
|
|
|
// Unlikely, but data could change between the request and response
|
|
if ((someOldViewData instanceof StatusViewData.Placeholder) ||
|
|
!((StatusViewData.Concrete) someOldViewData).getId().equals(status.getId())) {
|
|
// try to find the status we need to update
|
|
int foundPos = statuses.indexOf(Either.<Placeholder, Status>right(status));
|
|
if (foundPos < 0) return null; // okay, it's hopeless, give up
|
|
statusToUpdate = ((StatusViewData.Concrete)
|
|
statuses.getPairedItem(foundPos));
|
|
positionToUpdate = position;
|
|
} else {
|
|
statusToUpdate = (StatusViewData.Concrete) someOldViewData;
|
|
positionToUpdate = position;
|
|
}
|
|
return new Pair<>(statusToUpdate, positionToUpdate);
|
|
}
|
|
|
|
private List<Either<Placeholder, Status>> listStatusList(List<Status> list) {
|
|
return CollectionUtil.map(list, statusLifter);
|
|
}
|
|
}
|