211 lines
8.6 KiB
Java
211 lines
8.6 KiB
Java
package app.fedilab.android.mastodon.ui.fragment.timeline;
|
|
/* Copyright 2022 Thomas Schneider
|
|
*
|
|
* This file is a part of Fedilab
|
|
*
|
|
* 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.
|
|
*
|
|
* Fedilab 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 Fedilab; if not,
|
|
* see <http://www.gnu.org/licenses>. */
|
|
|
|
|
|
import android.os.Bundle;
|
|
import android.view.LayoutInflater;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
|
|
import androidx.annotation.NonNull;
|
|
import androidx.annotation.Nullable;
|
|
import androidx.fragment.app.Fragment;
|
|
import androidx.lifecycle.ViewModelProvider;
|
|
import androidx.recyclerview.widget.LinearLayoutManager;
|
|
import androidx.recyclerview.widget.RecyclerView;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Collections;
|
|
import java.util.List;
|
|
|
|
import app.fedilab.android.BaseMainActivity;
|
|
import app.fedilab.android.R;
|
|
import app.fedilab.android.databinding.FragmentPaginationBinding;
|
|
import app.fedilab.android.mastodon.activities.SearchResultTabActivity;
|
|
import app.fedilab.android.mastodon.client.entities.api.Tag;
|
|
import app.fedilab.android.mastodon.client.entities.app.Timeline;
|
|
import app.fedilab.android.mastodon.helper.Helper;
|
|
import app.fedilab.android.mastodon.helper.MastodonHelper;
|
|
import app.fedilab.android.mastodon.ui.drawer.TagAdapter;
|
|
import app.fedilab.android.mastodon.viewmodel.mastodon.SearchVM;
|
|
import app.fedilab.android.mastodon.viewmodel.mastodon.TimelinesVM;
|
|
|
|
|
|
public class FragmentMastodonTag extends Fragment {
|
|
|
|
|
|
private FragmentPaginationBinding binding;
|
|
private TagAdapter tagAdapter;
|
|
private String search;
|
|
private Timeline.TimeLineEnum timelineType;
|
|
private Integer offset;
|
|
private boolean flagLoading;
|
|
private List<Tag> tagList;
|
|
|
|
public View onCreateView(@NonNull LayoutInflater inflater,
|
|
ViewGroup container, Bundle savedInstanceState) {
|
|
if (getArguments() != null) {
|
|
search = getArguments().getString(Helper.ARG_SEARCH_KEYWORD, null);
|
|
timelineType = (Timeline.TimeLineEnum) getArguments().get(Helper.ARG_TIMELINE_TYPE);
|
|
}
|
|
|
|
binding = FragmentPaginationBinding.inflate(inflater, container, false);
|
|
return binding.getRoot();
|
|
}
|
|
|
|
@Override
|
|
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
|
|
super.onViewCreated(view, savedInstanceState);
|
|
binding.loader.setVisibility(View.VISIBLE);
|
|
binding.recyclerView.setVisibility(View.GONE);
|
|
offset = 0;
|
|
flagLoading = false;
|
|
binding.swipeContainer.setRefreshing(false);
|
|
binding.swipeContainer.setEnabled(false);
|
|
router();
|
|
}
|
|
|
|
/**
|
|
* Router for timelines
|
|
*/
|
|
private void router() {
|
|
if (search != null && timelineType == null) {
|
|
SearchVM searchVM = new ViewModelProvider(FragmentMastodonTag.this).get(SearchVM.class);
|
|
searchVM.search(BaseMainActivity.currentInstance, BaseMainActivity.currentToken, search.trim(), null, "hashtags", false, true, false, offset, null, null, MastodonHelper.SEARCH_PER_CALL)
|
|
.observe(getViewLifecycleOwner(), results -> {
|
|
if (results != null && results.hashtags != null && offset == 0) {
|
|
initializeTagCommonView(results.hashtags);
|
|
} else if (results != null && results.hashtags != null) {
|
|
dealWithPaginationTag(results.hashtags);
|
|
}
|
|
});
|
|
} else if (timelineType == Timeline.TimeLineEnum.TREND_TAG) {
|
|
TimelinesVM timelinesVM = new ViewModelProvider(FragmentMastodonTag.this).get(TimelinesVM.class);
|
|
timelinesVM.getTagsTrends(BaseMainActivity.currentToken, BaseMainActivity.currentInstance, offset, MastodonHelper.SEARCH_PER_CALL)
|
|
.observe(getViewLifecycleOwner(), tags -> {
|
|
if (tags != null && offset == 0) {
|
|
initializeTagCommonView(tags);
|
|
} else if (tags != null) {
|
|
dealWithPaginationTag(tags);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
public void scrollToTop() {
|
|
binding.recyclerView.setAdapter(tagAdapter);
|
|
}
|
|
|
|
private void dealWithPaginationTag(final List<Tag> tags) {
|
|
if (binding == null || !isAdded() || getActivity() == null) {
|
|
return;
|
|
}
|
|
if (tags == null || tags.size() == 0) {
|
|
flagLoading = true;
|
|
binding.loadingNextElements.setVisibility(View.GONE);
|
|
return;
|
|
}
|
|
offset += MastodonHelper.SEARCH_PER_CALL;
|
|
binding.swipeContainer.setRefreshing(false);
|
|
binding.loadingNextElements.setVisibility(View.GONE);
|
|
flagLoading = false;
|
|
int start = tagList.size();
|
|
tagList.addAll(tags);
|
|
tagAdapter.notifyItemRangeInserted(start, tags.size());
|
|
}
|
|
|
|
/**
|
|
* Intialize the view for tags
|
|
*
|
|
* @param tags List of {@link Tag}
|
|
*/
|
|
private void initializeTagCommonView(final List<Tag> tags) {
|
|
if (binding == null || !isAdded() || getActivity() == null) {
|
|
return;
|
|
}
|
|
tagList = new ArrayList<>();
|
|
binding.loader.setVisibility(View.GONE);
|
|
binding.noAction.setVisibility(View.GONE);
|
|
binding.swipeContainer.setRefreshing(false);
|
|
binding.swipeContainer.setOnRefreshListener(() -> {
|
|
binding.swipeContainer.setRefreshing(true);
|
|
router();
|
|
});
|
|
if (tags == null || tags.size() == 0) {
|
|
if (requireActivity() instanceof SearchResultTabActivity) {
|
|
((SearchResultTabActivity) requireActivity()).tagEmpty = true;
|
|
if (((SearchResultTabActivity) requireActivity()).accountEmpty != null) {
|
|
if (((SearchResultTabActivity) requireActivity()).accountEmpty) {
|
|
((SearchResultTabActivity) requireActivity()).moveToMessage();
|
|
} else {
|
|
((SearchResultTabActivity) requireActivity()).moveToAccount();
|
|
}
|
|
}
|
|
|
|
}
|
|
binding.recyclerView.setVisibility(View.GONE);
|
|
binding.noAction.setVisibility(View.VISIBLE);
|
|
binding.noActionText.setText(R.string.no_tags);
|
|
return;
|
|
}
|
|
if (search != null) {
|
|
Collections.sort(tags, (obj1, obj2) -> Integer.compare(obj2.getWeight(), obj1.getWeight()));
|
|
boolean isInCollection = false;
|
|
for (Tag tag : tags) {
|
|
if (tag.name.compareToIgnoreCase(search) == 0) {
|
|
isInCollection = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!isInCollection) {
|
|
Tag tag = new Tag();
|
|
tag.name = search;
|
|
tag.history = new ArrayList<>();
|
|
tags.add(0, tag);
|
|
}
|
|
}
|
|
offset += MastodonHelper.SEARCH_PER_CALL;
|
|
binding.recyclerView.setVisibility(View.VISIBLE);
|
|
binding.noAction.setVisibility(View.GONE);
|
|
tagList.addAll(tags);
|
|
tagAdapter = new TagAdapter(tagList);
|
|
LinearLayoutManager mLayoutManager = new LinearLayoutManager(requireActivity());
|
|
binding.recyclerView.setLayoutManager(mLayoutManager);
|
|
binding.recyclerView.setAdapter(tagAdapter);
|
|
binding.recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
|
|
@Override
|
|
public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
|
|
|
|
int firstVisibleItem = mLayoutManager.findFirstVisibleItemPosition();
|
|
if (dy > 0) {
|
|
int visibleItemCount = mLayoutManager.getChildCount();
|
|
int totalItemCount = mLayoutManager.getItemCount();
|
|
|
|
if (firstVisibleItem + visibleItemCount == totalItemCount) {
|
|
if (!flagLoading) {
|
|
flagLoading = true;
|
|
binding.loadingNextElements.setVisibility(View.VISIBLE);
|
|
router();
|
|
}
|
|
} else {
|
|
binding.loadingNextElements.setVisibility(View.GONE);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
} |