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

443 lines
16 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.client.data.VideoData.Video.titleType.CATEGORY;
import static app.fedilab.fedilabtube.client.data.VideoData.Video.titleType.CHANNEL;
import static app.fedilab.fedilabtube.client.data.VideoData.Video.titleType.TAG;
import android.content.Context;
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.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
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 androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import app.fedilab.fedilabtube.R;
import app.fedilab.fedilabtube.client.APIResponse;
import app.fedilab.fedilabtube.client.data.VideoData;
import app.fedilab.fedilabtube.client.entities.OverviewVideo;
import app.fedilab.fedilabtube.client.entities.PlaylistExist;
import app.fedilab.fedilabtube.drawer.PeertubeAdapter;
import app.fedilab.fedilabtube.helper.Helper;
import app.fedilab.fedilabtube.viewmodel.PlaylistsVM;
import app.fedilab.fedilabtube.viewmodel.RelationshipVM;
import app.fedilab.fedilabtube.viewmodel.TimelineVM;
import es.dmoral.toasty.Toasty;
public class DisplayOverviewFragment extends Fragment implements PeertubeAdapter.RelationShipListener, PeertubeAdapter.PlaylistListener {
private LinearLayoutManager mLayoutManager;
private GridLayoutManager gLayoutManager;
private boolean flag_loading;
private Context context;
private PeertubeAdapter peertubeAdapater;
private int page;
private List<VideoData.Video> peertubes;
private RelativeLayout mainLoader, nextElementLoader, textviewNoAction;
private boolean firstLoad;
private SwipeRefreshLayout swipeRefreshLayout;
private TextView textviewNoActionText;
private View rootView;
private RecyclerView lv_status;
private TimelineVM viewModelFeeds;
private Map<String, Boolean> relationship;
private Map<String, List<PlaylistExist>> playlists;
public DisplayOverviewFragment() {
}
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragment_overview, container, false);
peertubes = new ArrayList<>();
context = getContext();
lv_status = rootView.findViewById(R.id.lv_status);
page = 1;
flag_loading = true;
firstLoad = true;
swipeRefreshLayout = rootView.findViewById(R.id.swipeContainer);
mainLoader = rootView.findViewById(R.id.loader);
nextElementLoader = rootView.findViewById(R.id.loading_next_status);
textviewNoAction = rootView.findViewById(R.id.no_action);
textviewNoActionText = rootView.findViewById(R.id.no_action_text);
mainLoader.setVisibility(View.VISIBLE);
nextElementLoader.setVisibility(View.GONE);
peertubeAdapater = new PeertubeAdapter(this.peertubes);
peertubeAdapater.playlistListener = this;
peertubeAdapater.relationShipListener = this;
lv_status.setAdapter(peertubeAdapater);
if (!Helper.isTablet(context)) {
mLayoutManager = new LinearLayoutManager(context);
lv_status.setLayoutManager(mLayoutManager);
} else {
gLayoutManager = new GridLayoutManager(context, 2);
int spanCount = (int) Helper.convertDpToPixel(2, context);
int spacing = (int) Helper.convertDpToPixel(5, context);
lv_status.addItemDecoration(new GridSpacingItemDecoration(spanCount, spacing, true));
lv_status.setLayoutManager(gLayoutManager);
}
viewModelFeeds = new ViewModelProvider(DisplayOverviewFragment.this).get(TimelineVM.class);
swipeRefreshLayout.setOnRefreshListener(this::pullToRefresh);
loadTimeline(page);
lv_status.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(page);
nextElementLoader.setVisibility(View.VISIBLE);
}
} else {
nextElementLoader.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(page);
nextElementLoader.setVisibility(View.VISIBLE);
}
} else {
nextElementLoader.setVisibility(View.GONE);
}
}
}
}
});
return rootView;
}
@Override
public void onPause() {
super.onPause();
if (swipeRefreshLayout != null) {
swipeRefreshLayout.setEnabled(false);
swipeRefreshLayout.setRefreshing(false);
swipeRefreshLayout.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(APIResponse apiResponse) {
//hide loaders
mainLoader.setVisibility(View.GONE);
nextElementLoader.setVisibility(View.GONE);
//handle other API error
if (this.peertubes == null || apiResponse == null || apiResponse.getOverviewVideo() == null || (apiResponse.getError() != null)) {
if (apiResponse == null || apiResponse.getError() == null)
Toasty.error(context, context.getString(R.string.toast_error), Toast.LENGTH_LONG).show();
else {
Toasty.error(context, apiResponse.getError().getError(), Toast.LENGTH_LONG).show();
}
swipeRefreshLayout.setRefreshing(false);
flag_loading = false;
return;
}
OverviewVideo overviewVideos = apiResponse.getOverviewVideo();
int totalAdded = 0;
int previousPosition = this.peertubes.size();
apiResponse.setPeertubes(new ArrayList<>());
if (overviewVideos.getCategories().size() > 0 && overviewVideos.getCategories() != null) {
String categoryTitle = overviewVideos.getCategories().get(0).getCategory().getLabel();
List<VideoData.Video> videoCategories = overviewVideos.getCategories().get(0).getVideos();
int i = 0;
for (VideoData.Video video : videoCategories) {
if (i == 0) {
video.setTitle(categoryTitle);
video.setHasTitle(true);
video.setTitleType(CATEGORY);
}
i++;
peertubes.add(video);
apiResponse.getPeertubes().add(video);
totalAdded++;
}
}
if (overviewVideos.getTags().size() > 0 && overviewVideos.getTags().get(0) != null) {
String tagTitle = overviewVideos.getTags().get(0).getTag();
List<VideoData.Video> videoTags = overviewVideos.getTags().get(0).getVideos();
int i = 0;
for (VideoData.Video video : videoTags) {
if (i == 0) {
video.setTitle(tagTitle);
video.setHasTitle(true);
video.setTitleType(TAG);
}
i++;
peertubes.add(video);
apiResponse.getPeertubes().add(video);
totalAdded++;
}
}
if (overviewVideos.getChannels().size() > 0 && overviewVideos.getChannels().get(0).getChannels() != null) {
String channelTitle = overviewVideos.getChannels().get(0).getChannels().getAcct();
List<VideoData.Video> videoChannels = overviewVideos.getChannels().get(0).getVideos();
int i = 0;
for (VideoData.Video video : videoChannels) {
if (i == 0) {
video.setTitle(channelTitle);
video.setHasTitle(true);
video.setTitleType(CHANNEL);
}
i++;
peertubes.add(video);
apiResponse.getPeertubes().add(video);
totalAdded++;
}
}
if (Helper.isLoggedIn(context)) {
List<String> uids = new ArrayList<>();
for (VideoData.Video video : apiResponse.getPeertubes()) {
uids.add(video.getChannel().getName() + "@" + video.getChannel().getHost());
}
if (uids.size() > 0 && !DisplayOverviewFragment.this.isDetached()) {
try {
RelationshipVM viewModel = new ViewModelProvider(this).get(RelationshipVM.class);
viewModel.get(uids).observe(DisplayOverviewFragment.this.requireActivity(), this::manageVIewRelationship);
} catch (Exception ignored) {
}
}
List<String> videoIds = new ArrayList<>();
for (VideoData.Video video : apiResponse.getPeertubes()) {
videoIds.add(video.getId());
}
if (videoIds.size() > 0 && !DisplayOverviewFragment.this.isDetached()) {
try {
PlaylistsVM viewModel = new ViewModelProvider(this).get(PlaylistsVM.class);
viewModel.videoExists(videoIds).observe(DisplayOverviewFragment.this.requireActivity(), this::manageVIewPlaylist);
} catch (Exception ignored) {
}
}
}
//max_id needs to work like an offset
page++;
//If no item were inserted previously the adapter is created
if (previousPosition == 0) {
peertubeAdapater = new PeertubeAdapter(this.peertubes);
peertubeAdapater.playlistListener = DisplayOverviewFragment.this;
peertubeAdapater.relationShipListener = DisplayOverviewFragment.this;
lv_status.setAdapter(peertubeAdapater);
} else
peertubeAdapater.notifyItemRangeInserted(previousPosition, totalAdded);
//remove handlers
swipeRefreshLayout.setRefreshing(false);
textviewNoAction.setVisibility(View.GONE);
if (firstLoad && (this.peertubes == null || this.peertubes.size() == 0)) {
textviewNoActionText.setText(R.string.no_video_to_display);
textviewNoAction.setVisibility(View.VISIBLE);
}
flag_loading = false;
firstLoad = false;
}
@Override
public void onDestroyView() {
if (lv_status != null) {
try {
lv_status.setAdapter(null);
} catch (Exception ignored) {
}
}
super.onDestroyView();
rootView = null;
}
@Override
public void onResume() {
super.onResume();
swipeRefreshLayout.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<>();
page = 1;
peertubeAdapater.notifyItemRangeRemoved(0, size);
loadTimeline(page);
}
/**
* Manage timeline load
*
* @param page String pagination
*/
private void loadTimeline(int page) {
viewModelFeeds.getOverviewVideos(String.valueOf(page)).observe(DisplayOverviewFragment.this.requireActivity(), this::manageVIewVideos);
}
public void manageVIewPlaylist(APIResponse apiResponse) {
if (apiResponse.getError() != null || apiResponse.getVideoExistPlaylist() == null) {
return;
}
if (playlists == null) {
playlists = new HashMap<>();
}
playlists.putAll(apiResponse.getVideoExistPlaylist());
for (VideoData.Video video : peertubes) {
video.setPlaylistExists(playlists.get(video.getId()));
}
}
public void manageVIewRelationship(APIResponse apiResponse) {
if (apiResponse.getError() != null) {
return;
}
if (relationship == null) {
relationship = new HashMap<>();
}
relationship.putAll(apiResponse.getRelationships());
}
@Override
public Map<String, Boolean> getRelationShip() {
return relationship;
}
@Override
public Map<String, List<PlaylistExist>> getPlaylist() {
return playlists;
}
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;
}
}
}
}
}