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Leanback: fix loading and display of conferences

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This commit is contained in:
Felix 2018-09-13 22:20:11 +02:00
parent d4cf875647
commit e58c5a9a0f
1 changed files with 41 additions and 12 deletions
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53
leanback/src/main/java/de/nicidienase/chaosflix/leanback/fragments/ConferencesBrowseFragment.java
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@ -14,10 +14,9 @@ import android.support.v17.leanback.widget.Row;
import android.support.v17.leanback.widget.SectionRow;
import java.util.Collections;
import java.util.LinkedList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import de.nicidienase.chaosflix.BuildConfig;
import de.nicidienase.chaosflix.R;
@ -47,6 +46,8 @@ public class ConferencesBrowseFragment extends BrowseSupportFragment {
private boolean watchlistVisible = false;
private BrowseViewModel viewModel;
private Map<String,ListRow> conferencesGroupRows = new HashMap<>();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@ -62,8 +63,8 @@ public class ConferencesBrowseFragment extends BrowseSupportFragment {
viewModel = ViewModelProviders.of(this, new ViewModelFactory(requireContext()))
.get(BrowseViewModel.class);
// final BrowseErrorFragment errorFragment =
// BrowseErrorFragment.showErrorFragment(getFragmentManager(), FRAGMENT);
final BrowseErrorFragment errorFragment =
BrowseErrorFragment.showErrorFragment(getFragmentManager(), FRAGMENT);
CardPresenter cardPresenter = new CardPresenter();
watchListAdapter = new ArrayObjectAdapter(cardPresenter);
@ -85,13 +86,41 @@ public class ConferencesBrowseFragment extends BrowseSupportFragment {
setOnItemViewClickedListener(new ItemViewClickedListener(this));
setAdapter(rowsAdapter);
viewModel.updateConferences().observe(this, downloaderEvent -> {
if (downloaderEvent.getData() != null) {
}
if (downloaderEvent.getError() != null) {
if(!errorFragment.isDetached()){
errorFragment.setErrorContent(downloaderEvent.getError());
}
}
switch (downloaderEvent.getState()) {
case RUNNING:
break;
case DONE:
errorFragment.dismiss();
break;
}
});
viewModel.getConferenceGroups().observe(this, conferenceGroups -> {
if(conferenceGroups != null && conferenceGroups.size() > 0){
errorFragment.dismiss();
Collections.sort(conferenceGroups);
for (ConferenceGroup group : conferenceGroups) {
ListRow row;
for (ConferenceGroup group : conferenceGroups) {
rowsAdapter.add(buildRowForConferencesGroup(cardPresenter, group));
if(conferencesGroupRows.containsKey(group.getName())){
row = conferencesGroupRows.get(group.getName());
} else {
row = buildRow(Collections.EMPTY_LIST, cardPresenter, group.getName(), ConferenceUtil.getStringForTag(group.getName()));
rowsAdapter.add(row);
conferencesGroupRows.put(group.getName(), row);
}
bindConferencesToRow(cardPresenter, group, row);
}
}
// errorFragment.dismiss();
});
viewModel.getBookmarkedEvents().observe(this, (bookmarks) -> {
@ -121,9 +150,9 @@ public class ConferencesBrowseFragment extends BrowseSupportFragment {
});
}
private Row buildRowForConferencesGroup(CardPresenter cardPresenter, ConferenceGroup group) {
ListRow row = getRow(Collections.EMPTY_LIST, cardPresenter, group.getName(), ConferenceUtil.getStringForTag(group.getName()));
private Row bindConferencesToRow(CardPresenter cardPresenter, ConferenceGroup group, ListRow row) {
viewModel.getConferencesByGroup(group.getId()).observe(this, conferences -> {
Collections.sort(conferences);
((ArrayObjectAdapter) row.getAdapter()).setItems(conferences, new DiffCallback<PersistentConference>() {
@Override
public boolean areItemsTheSame(@NonNull PersistentConference oldItem, @NonNull PersistentConference newItem) {
@ -143,7 +172,7 @@ public class ConferencesBrowseFragment extends BrowseSupportFragment {
if (liveConferences.size() > 0) {
for (LiveConference con : liveConferences) {
if (!con.getConference().equals("Sendeschleife") || BuildConfig.DEBUG) {
for (Group g: con.getGroups()) {
for (Group g : con.getGroups()) {
// setup header
String group = g.getGroup().length() > 0 ? g.getGroup() : con.getConference();
HeaderItem header = new HeaderItem(group);
@ -154,7 +183,7 @@ public class ConferencesBrowseFragment extends BrowseSupportFragment {
= new ArrayObjectAdapter(cardPresenter);
listRowAdapter.addAll(listRowAdapter.size(), g.getRooms());
int index = getSectionIndex(recomendationsSectionsRow);
if(index >= 0){
if (index >= 0) {
rowsAdapter.add(index, new ListRow(header, listRowAdapter));
} else {
rowsAdapter.add(new ListRow(header, listRowAdapter));
@ -166,7 +195,7 @@ public class ConferencesBrowseFragment extends BrowseSupportFragment {
}
}
private ListRow getRow(List<PersistentConference> conferences, CardPresenter cardPresenter, String tag, String description) {
private ListRow buildRow(List<PersistentConference> conferences, CardPresenter cardPresenter, String tag, String description) {
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
listRowAdapter.addAll(0, conferences);
HeaderItem header = new HeaderItem(ConferenceUtil.getStringForTag(tag));