443 lines
16 KiB
Java
443 lines
16 KiB
Java
package app.fedilab.fedilabtube.fragment;
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/* Copyright 2020 Thomas Schneider
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*
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* This file is a part of TubeLab
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* TubeLab 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 General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with TubeLab; if not,
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* see <http://www.gnu.org/licenses>. */
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import static app.fedilab.fedilabtube.client.data.VideoData.Video.titleType.CATEGORY;
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import static app.fedilab.fedilabtube.client.data.VideoData.Video.titleType.CHANNEL;
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import static app.fedilab.fedilabtube.client.data.VideoData.Video.titleType.TAG;
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import android.content.Context;
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import android.graphics.Rect;
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import android.os.Bundle;
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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 android.view.inputmethod.InputMethodManager;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.fragment.app.Fragment;
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import androidx.lifecycle.ViewModelProvider;
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import androidx.recyclerview.widget.GridLayoutManager;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
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import org.jetbrains.annotations.NotNull;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import app.fedilab.fedilabtube.R;
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import app.fedilab.fedilabtube.client.APIResponse;
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import app.fedilab.fedilabtube.client.data.VideoData;
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import app.fedilab.fedilabtube.client.entities.OverviewVideo;
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import app.fedilab.fedilabtube.client.entities.PlaylistExist;
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import app.fedilab.fedilabtube.drawer.PeertubeAdapter;
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import app.fedilab.fedilabtube.helper.Helper;
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import app.fedilab.fedilabtube.viewmodel.PlaylistsVM;
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import app.fedilab.fedilabtube.viewmodel.RelationshipVM;
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import app.fedilab.fedilabtube.viewmodel.TimelineVM;
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import es.dmoral.toasty.Toasty;
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public class DisplayOverviewFragment extends Fragment implements PeertubeAdapter.RelationShipListener, PeertubeAdapter.PlaylistListener {
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private LinearLayoutManager mLayoutManager;
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private GridLayoutManager gLayoutManager;
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private boolean flag_loading;
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private Context context;
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private PeertubeAdapter peertubeAdapater;
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private int page;
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private List<VideoData.Video> peertubes;
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private RelativeLayout mainLoader, nextElementLoader, textviewNoAction;
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private boolean firstLoad;
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private SwipeRefreshLayout swipeRefreshLayout;
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private TextView textviewNoActionText;
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private View rootView;
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private RecyclerView lv_status;
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private TimelineVM viewModelFeeds;
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private Map<String, Boolean> relationship;
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private Map<String, List<PlaylistExist>> playlists;
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public DisplayOverviewFragment() {
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}
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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rootView = inflater.inflate(R.layout.fragment_overview, container, false);
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peertubes = new ArrayList<>();
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context = getContext();
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lv_status = rootView.findViewById(R.id.lv_status);
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page = 1;
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flag_loading = true;
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firstLoad = true;
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swipeRefreshLayout = rootView.findViewById(R.id.swipeContainer);
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mainLoader = rootView.findViewById(R.id.loader);
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nextElementLoader = rootView.findViewById(R.id.loading_next_status);
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textviewNoAction = rootView.findViewById(R.id.no_action);
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textviewNoActionText = rootView.findViewById(R.id.no_action_text);
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mainLoader.setVisibility(View.VISIBLE);
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nextElementLoader.setVisibility(View.GONE);
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peertubeAdapater = new PeertubeAdapter(this.peertubes);
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peertubeAdapater.playlistListener = this;
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peertubeAdapater.relationShipListener = this;
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lv_status.setAdapter(peertubeAdapater);
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if (!Helper.isTablet(context)) {
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mLayoutManager = new LinearLayoutManager(context);
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lv_status.setLayoutManager(mLayoutManager);
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} else {
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gLayoutManager = new GridLayoutManager(context, 2);
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int spanCount = (int) Helper.convertDpToPixel(2, context);
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int spacing = (int) Helper.convertDpToPixel(5, context);
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lv_status.addItemDecoration(new GridSpacingItemDecoration(spanCount, spacing, true));
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lv_status.setLayoutManager(gLayoutManager);
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}
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viewModelFeeds = new ViewModelProvider(DisplayOverviewFragment.this).get(TimelineVM.class);
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swipeRefreshLayout.setOnRefreshListener(this::pullToRefresh);
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loadTimeline(page);
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lv_status.addOnScrollListener(new RecyclerView.OnScrollListener() {
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public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
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if (mLayoutManager != null) {
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int firstVisibleItem = mLayoutManager.findFirstVisibleItemPosition();
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if (dy > 0) {
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int visibleItemCount = mLayoutManager.getChildCount();
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int totalItemCount = mLayoutManager.getItemCount();
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if (firstVisibleItem + visibleItemCount == totalItemCount && context != null) {
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if (!flag_loading) {
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flag_loading = true;
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loadTimeline(page);
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nextElementLoader.setVisibility(View.VISIBLE);
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}
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} else {
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nextElementLoader.setVisibility(View.GONE);
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}
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}
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} else if (gLayoutManager != null) {
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int firstVisibleItem = gLayoutManager.findFirstVisibleItemPosition();
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if (dy > 0) {
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int visibleItemCount = gLayoutManager.getChildCount();
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int totalItemCount = gLayoutManager.getItemCount();
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if (firstVisibleItem + visibleItemCount == totalItemCount && context != null) {
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if (!flag_loading) {
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flag_loading = true;
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loadTimeline(page);
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nextElementLoader.setVisibility(View.VISIBLE);
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}
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} else {
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nextElementLoader.setVisibility(View.GONE);
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}
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}
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}
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}
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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 onPause() {
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super.onPause();
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if (swipeRefreshLayout != null) {
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swipeRefreshLayout.setEnabled(false);
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swipeRefreshLayout.setRefreshing(false);
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swipeRefreshLayout.clearAnimation();
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}
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if (getActivity() != null) {
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InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
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if (imm != null && getView() != null) {
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imm.hideSoftInputFromWindow(getView().getWindowToken(), 0);
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}
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}
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}
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@Override
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public void onCreate(Bundle saveInstance) {
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super.onCreate(saveInstance);
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}
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@Override
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public void onAttach(@NotNull Context context) {
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super.onAttach(context);
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this.context = context;
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}
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@Override
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public void onStop() {
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super.onStop();
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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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}
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private void manageVIewVideos(APIResponse apiResponse) {
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//hide loaders
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mainLoader.setVisibility(View.GONE);
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nextElementLoader.setVisibility(View.GONE);
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//handle other API error
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if (this.peertubes == null || apiResponse == null || apiResponse.getOverviewVideo() == null || (apiResponse.getError() != null)) {
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if (apiResponse == null || apiResponse.getError() == null)
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Toasty.error(context, context.getString(R.string.toast_error), Toast.LENGTH_LONG).show();
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else {
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Toasty.error(context, apiResponse.getError().getError(), Toast.LENGTH_LONG).show();
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}
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swipeRefreshLayout.setRefreshing(false);
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flag_loading = false;
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return;
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}
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OverviewVideo overviewVideos = apiResponse.getOverviewVideo();
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int totalAdded = 0;
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int previousPosition = this.peertubes.size();
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apiResponse.setPeertubes(new ArrayList<>());
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if (overviewVideos.getCategories().size() > 0 && overviewVideos.getCategories() != null) {
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String categoryTitle = overviewVideos.getCategories().get(0).getCategory().getLabel();
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List<VideoData.Video> videoCategories = overviewVideos.getCategories().get(0).getVideos();
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int i = 0;
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for (VideoData.Video video : videoCategories) {
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if (i == 0) {
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video.setTitle(categoryTitle);
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video.setHasTitle(true);
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video.setTitleType(CATEGORY);
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}
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i++;
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peertubes.add(video);
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apiResponse.getPeertubes().add(video);
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totalAdded++;
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}
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}
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if (overviewVideos.getTags().size() > 0 && overviewVideos.getTags().get(0) != null) {
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String tagTitle = overviewVideos.getTags().get(0).getTag();
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List<VideoData.Video> videoTags = overviewVideos.getTags().get(0).getVideos();
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int i = 0;
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for (VideoData.Video video : videoTags) {
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if (i == 0) {
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video.setTitle(tagTitle);
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video.setHasTitle(true);
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video.setTitleType(TAG);
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}
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i++;
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peertubes.add(video);
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apiResponse.getPeertubes().add(video);
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totalAdded++;
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}
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}
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if (overviewVideos.getChannels().size() > 0 && overviewVideos.getChannels().get(0).getChannels() != null) {
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String channelTitle = overviewVideos.getChannels().get(0).getChannels().getAcct();
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List<VideoData.Video> videoChannels = overviewVideos.getChannels().get(0).getVideos();
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int i = 0;
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for (VideoData.Video video : videoChannels) {
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if (i == 0) {
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video.setTitle(channelTitle);
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video.setHasTitle(true);
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video.setTitleType(CHANNEL);
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}
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i++;
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peertubes.add(video);
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apiResponse.getPeertubes().add(video);
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totalAdded++;
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}
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}
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if (Helper.isLoggedIn(context)) {
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List<String> uids = new ArrayList<>();
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for (VideoData.Video video : apiResponse.getPeertubes()) {
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uids.add(video.getChannel().getName() + "@" + video.getChannel().getHost());
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}
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if (uids.size() > 0 && !DisplayOverviewFragment.this.isDetached()) {
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try {
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RelationshipVM viewModel = new ViewModelProvider(this).get(RelationshipVM.class);
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viewModel.get(uids).observe(DisplayOverviewFragment.this.requireActivity(), this::manageVIewRelationship);
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} catch (Exception ignored) {
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}
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}
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List<String> videoIds = new ArrayList<>();
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for (VideoData.Video video : apiResponse.getPeertubes()) {
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videoIds.add(video.getId());
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}
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if (videoIds.size() > 0 && !DisplayOverviewFragment.this.isDetached()) {
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try {
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PlaylistsVM viewModel = new ViewModelProvider(this).get(PlaylistsVM.class);
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viewModel.videoExists(videoIds).observe(DisplayOverviewFragment.this.requireActivity(), this::manageVIewPlaylist);
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} catch (Exception ignored) {
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}
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}
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}
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//max_id needs to work like an offset
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page++;
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//If no item were inserted previously the adapter is created
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if (previousPosition == 0) {
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peertubeAdapater = new PeertubeAdapter(this.peertubes);
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peertubeAdapater.playlistListener = DisplayOverviewFragment.this;
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peertubeAdapater.relationShipListener = DisplayOverviewFragment.this;
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lv_status.setAdapter(peertubeAdapater);
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} else
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peertubeAdapater.notifyItemRangeInserted(previousPosition, totalAdded);
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//remove handlers
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swipeRefreshLayout.setRefreshing(false);
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textviewNoAction.setVisibility(View.GONE);
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if (firstLoad && (this.peertubes == null || this.peertubes.size() == 0)) {
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textviewNoActionText.setText(R.string.no_video_to_display);
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textviewNoAction.setVisibility(View.VISIBLE);
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}
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flag_loading = false;
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firstLoad = false;
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}
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@Override
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public void onDestroyView() {
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if (lv_status != null) {
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try {
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lv_status.setAdapter(null);
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} catch (Exception ignored) {
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}
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}
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super.onDestroyView();
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rootView = null;
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}
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@Override
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public void onResume() {
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super.onResume();
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swipeRefreshLayout.setEnabled(true);
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}
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public void scrollToTop() {
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if (mLayoutManager != null) {
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mLayoutManager.scrollToPositionWithOffset(0, 0);
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} else if (gLayoutManager != null) {
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gLayoutManager.scrollToPositionWithOffset(0, 0);
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}
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}
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public void pullToRefresh() {
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int size = peertubes.size();
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peertubes.clear();
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peertubes = new ArrayList<>();
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page = 1;
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peertubeAdapater.notifyItemRangeRemoved(0, size);
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loadTimeline(page);
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}
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/**
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* Manage timeline load
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*
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* @param page String pagination
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*/
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private void loadTimeline(int page) {
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viewModelFeeds.getOverviewVideos(String.valueOf(page)).observe(DisplayOverviewFragment.this.requireActivity(), this::manageVIewVideos);
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}
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public void manageVIewPlaylist(APIResponse apiResponse) {
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if (apiResponse.getError() != null || apiResponse.getVideoExistPlaylist() == null) {
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return;
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}
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if (playlists == null) {
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playlists = new HashMap<>();
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}
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playlists.putAll(apiResponse.getVideoExistPlaylist());
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for (VideoData.Video video : peertubes) {
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video.setPlaylistExists(playlists.get(video.getId()));
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}
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}
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public void manageVIewRelationship(APIResponse apiResponse) {
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if (apiResponse.getError() != null) {
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return;
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}
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if (relationship == null) {
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relationship = new HashMap<>();
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}
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relationship.putAll(apiResponse.getRelationships());
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}
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@Override
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public Map<String, Boolean> getRelationShip() {
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return relationship;
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}
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@Override
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public Map<String, List<PlaylistExist>> getPlaylist() {
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return playlists;
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}
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static class GridSpacingItemDecoration extends RecyclerView.ItemDecoration {
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private final int spanCount;
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private final int spacing;
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private final boolean includeEdge;
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public GridSpacingItemDecoration(int spanCount, int spacing, boolean includeEdge) {
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this.spanCount = spanCount;
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this.spacing = spacing;
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this.includeEdge = includeEdge;
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}
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@Override
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public void getItemOffsets(@NotNull Rect outRect, @NotNull View view, RecyclerView parent, @NotNull RecyclerView.State state) {
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int position = parent.getChildAdapterPosition(view);
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int column = position % spanCount;
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if (includeEdge) {
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outRect.left = spacing - column * spacing / spanCount;
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outRect.right = (column + 1) * spacing / spanCount;
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if (position < spanCount) {
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outRect.top = spacing;
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}
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outRect.bottom = spacing;
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} else {
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outRect.left = column * spacing / spanCount;
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outRect.right = spacing - (column + 1) * spacing / spanCount;
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if (position >= spanCount) {
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outRect.top = spacing;
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}
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}
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}
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}
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}
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