TubeLab-App-Android/app/src/main/java/app/fedilab/fedilabtube/fragment/DisplaySepiaSearchFragment....

320 lines
12 KiB
Java

package app.fedilab.fedilabtube.fragment;
/* Copyright 2020 Thomas Schneider
*
* This file is a part of TubeLab
*
* 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.
*
* TubeLab 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 TubeLab; if not,
* see <http://www.gnu.org/licenses>. */
import static app.fedilab.fedilabtube.viewmodel.TimelineVM.TimelineType.SEPIA_SEARCH;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Rect;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.List;
import app.fedilab.fedilabtube.BuildConfig;
import app.fedilab.fedilabtube.R;
import app.fedilab.fedilabtube.client.data.ChannelData;
import app.fedilab.fedilabtube.client.data.VideoData;
import app.fedilab.fedilabtube.client.entities.SepiaSearch;
import app.fedilab.fedilabtube.databinding.FragmentVideoBinding;
import app.fedilab.fedilabtube.drawer.AccountsHorizontalListAdapter;
import app.fedilab.fedilabtube.drawer.PeertubeAdapter;
import app.fedilab.fedilabtube.helper.Helper;
import app.fedilab.fedilabtube.viewmodel.SepiaSearchVM;
import es.dmoral.toasty.Toasty;
public class DisplaySepiaSearchFragment extends Fragment implements AccountsHorizontalListAdapter.EventListener {
private LinearLayoutManager mLayoutManager;
private GridLayoutManager gLayoutManager;
private boolean flag_loading;
private Context context;
private PeertubeAdapter peertubeAdapater;
private List<VideoData.Video> peertubes;
private boolean firstLoad;
private SharedPreferences sharedpreferences;
private SepiaSearchVM viewModelSearch;
private SepiaSearch sepiaSearchVideo;
private FragmentVideoBinding binding;
public DisplaySepiaSearchFragment() {
}
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
binding = FragmentVideoBinding.inflate(inflater, container, false);
return binding.getRoot();
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
peertubes = new ArrayList<>();
context = getContext();
Bundle bundle = this.getArguments();
if (bundle != null) {
sepiaSearchVideo = bundle.getParcelable("sepiaSearchVideo");
}
flag_loading = true;
firstLoad = true;
assert context != null;
sharedpreferences = context.getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
binding.loader.setVisibility(View.VISIBLE);
binding.loadingNextVideos.setVisibility(View.GONE);
peertubeAdapater = new PeertubeAdapter(this.peertubes, SEPIA_SEARCH, true, null, null);
binding.lvVideos.setAdapter(peertubeAdapater);
if (!Helper.isTablet(context)) {
mLayoutManager = new LinearLayoutManager(context);
binding.lvVideos.setLayoutManager(mLayoutManager);
} else {
gLayoutManager = new GridLayoutManager(context, 2);
int spanCount = (int) Helper.convertDpToPixel(2, context);
int spacing = (int) Helper.convertDpToPixel(5, context);
binding.lvVideos.addItemDecoration(new GridSpacingItemDecoration(spanCount, spacing, true));
binding.lvVideos.setLayoutManager(gLayoutManager);
}
viewModelSearch = new ViewModelProvider(DisplaySepiaSearchFragment.this).get(SepiaSearchVM.class);
binding.swipeContainer.setOnRefreshListener(this::pullToRefresh);
binding.lvVideos.addOnScrollListener(new RecyclerView.OnScrollListener() {
public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
if (mLayoutManager != null) {
int firstVisibleItem = mLayoutManager.findFirstVisibleItemPosition();
if (dy > 0) {
int visibleItemCount = mLayoutManager.getChildCount();
int totalItemCount = mLayoutManager.getItemCount();
if (firstVisibleItem + visibleItemCount == totalItemCount && context != null) {
if (!flag_loading) {
flag_loading = true;
loadTimeline();
binding.loadingNextVideos.setVisibility(View.VISIBLE);
}
} else {
binding.loadingNextVideos.setVisibility(View.GONE);
}
}
} else if (gLayoutManager != null) {
int firstVisibleItem = gLayoutManager.findFirstVisibleItemPosition();
if (dy > 0) {
int visibleItemCount = gLayoutManager.getChildCount();
int totalItemCount = gLayoutManager.getItemCount();
if (firstVisibleItem + visibleItemCount == totalItemCount && context != null) {
if (!flag_loading) {
flag_loading = true;
loadTimeline();
binding.loadingNextVideos.setVisibility(View.VISIBLE);
}
} else {
binding.loadingNextVideos.setVisibility(View.GONE);
}
}
}
}
});
loadTimeline();
}
@Override
public void onPause() {
super.onPause();
if (binding.swipeContainer != null) {
binding.swipeContainer.setEnabled(false);
binding.swipeContainer.setRefreshing(false);
binding.swipeContainer.clearAnimation();
}
if (getActivity() != null) {
InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm != null && getView() != null) {
imm.hideSoftInputFromWindow(getView().getWindowToken(), 0);
}
}
}
@Override
public void onCreate(Bundle saveInstance) {
super.onCreate(saveInstance);
}
@Override
public void onAttach(@NotNull Context context) {
super.onAttach(context);
this.context = context;
}
@Override
public void onStop() {
super.onStop();
}
@Override
public void onDestroy() {
super.onDestroy();
}
private void manageVIewVideos(VideoData videoData) {
//hide loaders
binding.loader.setVisibility(View.GONE);
binding.loadingNextVideos.setVisibility(View.GONE);
//handle other API error
if (videoData == null || videoData.data == null) {
Toasty.error(context, context.getString(R.string.toast_error), Toast.LENGTH_LONG).show();
binding.swipeContainer.setRefreshing(false);
flag_loading = false;
return;
}
int previousPosition = this.peertubes.size();
int videoPerPage = sharedpreferences.getInt(Helper.SET_VIDEOS_PER_PAGE, Helper.VIDEOS_PER_PAGE);
sepiaSearchVideo.setStart(String.valueOf(Integer.parseInt(sepiaSearchVideo.getStart()) + videoPerPage));
if (!BuildConfig.google_restriction) {
this.peertubes.addAll(videoData.data);
} else {
for (VideoData.Video video : videoData.data) {
if (video.getName() == null || !video.getName().toLowerCase().contains("youtube") || !video.getName().toLowerCase().contains("download")) {
this.peertubes.add(video);
}
}
}
//If no item were inserted previously the adapter is created
if (previousPosition == 0) {
peertubeAdapater = new PeertubeAdapter(this.peertubes, SEPIA_SEARCH, true, null, null);
binding.lvVideos.setAdapter(peertubeAdapater);
} else
peertubeAdapater.notifyItemRangeInserted(previousPosition, videoData.data.size());
//remove handlers
binding.swipeContainer.setRefreshing(false);
binding.noAction.setVisibility(View.GONE);
if (firstLoad && (videoData.data == null || videoData.data.size() == 0)) {
binding.noActionText.setText(R.string.no_video_to_display);
binding.noAction.setVisibility(View.VISIBLE);
}
flag_loading = false;
firstLoad = false;
}
@Override
public void onDestroyView() {
if (binding.lvVideos != null) {
try {
binding.lvVideos.setAdapter(null);
} catch (Exception ignored) {
}
}
super.onDestroyView();
}
@Override
public void onResume() {
super.onResume();
binding.swipeContainer.setEnabled(true);
}
public void scrollToTop() {
if (mLayoutManager != null) {
mLayoutManager.scrollToPositionWithOffset(0, 0);
} else if (gLayoutManager != null) {
gLayoutManager.scrollToPositionWithOffset(0, 0);
}
}
public void pullToRefresh() {
int size = peertubes.size();
peertubes.clear();
peertubes = new ArrayList<>();
peertubeAdapater.notifyItemRangeRemoved(0, size);
loadTimeline();
}
@Override
public void click(ChannelData.Channel forChannel) {
pullToRefresh();
}
private void loadTimeline() {
viewModelSearch.sepiaSearch(sepiaSearchVideo).observe(this.requireActivity(), this::manageVIewVideos);
}
static class GridSpacingItemDecoration extends RecyclerView.ItemDecoration {
private final int spanCount;
private final int spacing;
private final boolean includeEdge;
public GridSpacingItemDecoration(int spanCount, int spacing, boolean includeEdge) {
this.spanCount = spanCount;
this.spacing = spacing;
this.includeEdge = includeEdge;
}
@Override
public void getItemOffsets(@NotNull Rect outRect, @NotNull View view, RecyclerView parent, @NotNull RecyclerView.State state) {
int position = parent.getChildAdapterPosition(view);
int column = position % spanCount;
if (includeEdge) {
outRect.left = spacing - column * spacing / spanCount;
outRect.right = (column + 1) * spacing / spanCount;
if (position < spanCount) {
outRect.top = spacing;
}
outRect.bottom = spacing;
} else {
outRect.left = column * spacing / spanCount;
outRect.right = spacing - (column + 1) * spacing / spanCount;
if (position >= spanCount) {
outRect.top = spacing;
}
}
}
}
}