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fedilab-Android-App
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Code Issues Releases Wiki Activity

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Thomas 2022-09-26 17:09:28 +02:00
parent 60b48c594a
commit d349062fea
1 changed files with 51 additions and 92 deletions
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143
app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentMastodonTimeline.java
View File

@ -65,8 +65,6 @@ import es.dmoral.toasty.Toasty;
public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.FetchMoreCallBack {
private static final int STATUS_PRESENT = -1;
private static final int STATUS_AT_THE_BOTTOM = -2;
private FragmentPaginationBinding binding;
private TimelinesVM timelinesVM;
private AccountsVM accountsVM;
@ -133,7 +131,7 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
private String viewModelKey, remoteInstance;
private PinnedTimeline pinnedTimeline;
private String ident;
private String instance, user_id;
private String slug;
private boolean canBeFederated;
@ -186,8 +184,6 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
ViewGroup container, Bundle savedInstanceState) {
timelineType = Timeline.TimeLineEnum.HOME;
instance = BaseMainActivity.currentInstance;
user_id = BaseMainActivity.currentUserID;
canBeFederated = true;
if (getArguments() != null) {
timelineType = (Timeline.TimeLineEnum) getArguments().get(Helper.ARG_TIMELINE_TYPE);
@ -233,6 +229,11 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
} else {
ident = null;
}
slug = timelineType.getValue() + (ident != null ? "|" + ident : "");
SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(requireActivity());
//Retrieve the max_id to keep position
LocalBroadcastManager.getInstance(requireActivity()).registerReceiver(receive_action, new IntentFilter(Helper.RECEIVE_STATUS_ACTION));
binding = FragmentPaginationBinding.inflate(inflater, container, false);
binding.getRoot().setBackgroundColor(ThemeHelper.getBackgroundColor(requireActivity()));
@ -249,22 +250,22 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
binding.loader.setVisibility(View.VISIBLE);
binding.recyclerView.setVisibility(View.GONE);
max_id = statusReport != null ? statusReport.id : null;
if (max_id == null) {
max_id = sharedpreferences.getString(getString(R.string.SET_INNER_MARKER) + BaseMainActivity.currentUserID + BaseMainActivity.currentInstance + slug, null);
}
flagLoading = false;
router(null);
return binding.getRoot();
}
private void initializeStatusesCommonView(final Statuses statuses) {
initializeStatusesCommonView(statuses, -1);
}
/**
* Intialize the common view for statuses on different timelines
*
* @param statuses {@link Statuses}
*/
private void initializeStatusesCommonView(final Statuses statuses, int position) {
private void initializeStatusesCommonView(final Statuses statuses) {
flagLoading = false;
if (binding == null || !isAdded() || getActivity() == null) {
return;
@ -337,9 +338,6 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
binding.recyclerView.setLayoutManager(mLayoutManager);
binding.recyclerView.setAdapter(statusAdapter);
if (position != -1 && position < this.statuses.size()) {
binding.recyclerView.scrollToPosition(position);
}
if (searchCache == null && timelineType != Timeline.TimeLineEnum.TREND_MESSAGE) {
binding.recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
@ -406,7 +404,7 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
fetched_statuses.statuses = mediaStatuses;
}
//Update the timeline with new statuses
updateStatusListWith(direction, fetched_statuses.statuses, fetchingMissing);
updateStatusListWith(fetched_statuses.statuses);
if (!fetchingMissing) {
if (fetched_statuses.pagination.max_id == null) {
flagLoading = true;
@ -429,88 +427,39 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
* Update the timeline with received statuses
*
* @param statusListReceived - List<Status> Statuses received
* @param fetchingMissing - boolean if the call concerns fetching messages (ie: refresh of from fetch more button)
*/
private void updateStatusListWith(DIRECTION direction, List<Status> statusListReceived, boolean fetchingMissing) {
int numberInserted = 0;
int lastInsertedPosition = 0;
int initialInsertedPosition = STATUS_PRESENT;
private void updateStatusListWith(List<Status> statusListReceived) {
if (statusListReceived != null && statusListReceived.size() > 0) {
int insertedPosition = STATUS_PRESENT;
for (Status statusReceived : statusListReceived) {
insertedPosition = insertStatus(statusReceived);
if (insertedPosition != STATUS_PRESENT && insertedPosition != STATUS_AT_THE_BOTTOM) {
numberInserted++;
//Find the first position of insertion, the initial id is set to STATUS_PRESENT
if (initialInsertedPosition == STATUS_PRESENT) {
initialInsertedPosition = insertedPosition;
int position = 0;
if (this.statuses != null) {
//First we refresh statuses
statusAdapter.notifyItemRangeChanged(0, this.statuses.size());
//We loop through messages already in the timeline
for (Status statusAlreadyPresent : this.statuses) {
//We compare the id of each status and we only add status having an id greater than the another, it is inserted at this position
//Pinned messages are ignored because their date can be older
if (statusReceived.id.compareTo(statusAlreadyPresent.id) > 0) {
//We add the status to a list of id - thus we know it is already in the timeline
if (!this.statuses.contains(statusReceived) && !statusReceived.pinned && timelineType != Timeline.TimeLineEnum.ACCOUNT_TIMELINE) {
this.statuses.add(position, statusReceived);
statusAdapter.notifyItemInserted(position);
}
break;
}
position++;
}
//If next statuses have a lower id, there are inserted before (normally, that should not happen)
if (insertedPosition < initialInsertedPosition) {
initialInsertedPosition = lastInsertedPosition;
//Statuses added at the bottom
if (position == this.statuses.size() && !this.statuses.contains(statusReceived)) {
//We add the status to a list of id - thus we know it is already in the timeline
this.statuses.add(position, statusReceived);
statusAdapter.notifyItemInserted(position);
}
}
}
lastInsertedPosition = initialInsertedPosition + numberInserted;
//lastInsertedPosition contains the position of the last inserted status
//If there were no overlap for top status
if (fetchingMissing && insertedPosition != STATUS_PRESENT && insertedPosition != STATUS_AT_THE_BOTTOM && this.statuses.size() > insertedPosition && numberInserted == MastodonHelper.statusesPerCall(requireActivity())) {
Status statusFetchMore = new Status();
statusFetchMore.isFetchMore = true;
statusFetchMore.id = Helper.generateString();
int insertAt;
if (direction == DIRECTION.REFRESH || direction == DIRECTION.BOTTOM || direction == DIRECTION.SCROLL_TOP) {
insertAt = lastInsertedPosition;
} else {
insertAt = initialInsertedPosition;
}
this.statuses.add(insertAt, statusFetchMore);
statusAdapter.notifyItemInserted(insertAt);
if (direction == DIRECTION.TOP && lastInsertedPosition + 1 < statuses.size()) {
binding.recyclerView.scrollToPosition(lastInsertedPosition + 1);
}
}
}
}
/**
* Insert a status if not yet in the timeline and returns its position of insertion
*
* @param statusReceived - Status coming from the api/db
* @return int >= 0 | STATUS_PRESENT = -1 | STATUS_AT_THE_BOTTOM = -2
*/
private int insertStatus(Status statusReceived) {
int position = 0;
if (this.statuses != null) {
if (this.statuses.contains(statusReceived)) {
return STATUS_PRESENT;
}
statusAdapter.notifyItemRangeChanged(0, this.statuses.size());
//We loop through messages already in the timeline
for (Status statusAlreadyPresent : this.statuses) {
//We compare the date of each status and we only add status having a date greater than the another, it is inserted at this position
//Pinned messages are ignored because their date can be older
if (statusReceived.id.compareTo(statusAlreadyPresent.id) > 0 && !statusAlreadyPresent.pinned) {
//We add the status to a list of id - thus we know it is already in the timeline
this.statuses.add(position, statusReceived);
statusAdapter.notifyItemInserted(position);
break;
}
position++;
}
//Statuses added at the bottom, we flag them by position = -2 for not dealing with them and fetch more
if (position == this.statuses.size()) {
//We add the status to a list of id - thus we know it is already in the timeline
this.statuses.add(position, statusReceived);
statusAdapter.notifyItemInserted(position);
return STATUS_AT_THE_BOTTOM;
}
}
return position;
}
@Override
public void onPause() {
storeMarker();
@ -536,7 +485,7 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
Status status = statuses.get(position);
SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(requireActivity());
SharedPreferences.Editor editor = sharedpreferences.edit();
editor.putString(getString(R.string.SET_HOME_INNER_MARKER) + BaseMainActivity.currentUserID + BaseMainActivity.currentInstance, status.id);
editor.putString(getString(R.string.SET_INNER_MARKER) + BaseMainActivity.currentUserID + BaseMainActivity.currentInstance + slug, status.id);
editor.apply();
timelinesVM.addMarker(BaseMainActivity.currentInstance, BaseMainActivity.currentToken, status.id, null);
@ -581,9 +530,11 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
} else if (direction == DIRECTION.BOTTOM) {
timelineParams.maxId = fetchingMissing ? max_id_fetch_more : max_id;
timelineParams.minId = null;
} else {
} else if (direction == DIRECTION.TOP) {
timelineParams.minId = fetchingMissing ? min_id_fetch_more : min_id;
timelineParams.maxId = null;
} else {
timelineParams.maxId = max_id;
}
timelineParams.fetchingMissing = fetchingMissing;
@ -610,6 +561,10 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
timelineParams.any = tagTimeline.any;
timelineParams.hashtagTrim = tagTimeline.name;
break;
case REMOTE:
timelineParams.instance = remoteInstance;
timelineParams.token = null;
break;
}
SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(requireActivity());
boolean useCache = sharedpreferences.getBoolean(getString(R.string.SET_USE_CACHE), true);
@ -643,6 +598,7 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
} else if (direction == DIRECTION.TOP) {
timelinesVM.getTimelineCache(timelineParams)
.observe(getViewLifecycleOwner(), statusesCachedTop -> {
if (statusesCachedTop == null || statusesCachedTop.statuses == null || statusesCachedTop.statuses.size() == 0) {
getLiveStatus(DIRECTION.TOP, fetchingMissing, timelineParams);
} else {
@ -653,10 +609,14 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
} else if (direction == DIRECTION.REFRESH || direction == DIRECTION.SCROLL_TOP) {
timelinesVM.getTimelineCache(timelineParams)
.observe(getViewLifecycleOwner(), statusesRefresh -> {
if (statusAdapter != null) {
dealWithPagination(statusesRefresh, direction, true);
if (statusesRefresh == null || statusesRefresh.statuses == null || statusesRefresh.statuses.size() == 0) {
getLiveStatus(direction, fetchingMissing, timelineParams);
} else {
initializeStatusesCommonView(statusesRefresh);
if (statusAdapter != null) {
dealWithPagination(statusesRefresh, direction, true);
} else {
initializeStatusesCommonView(statusesRefresh);
}
}
});
}
@ -671,7 +631,7 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
.observe(getViewLifecycleOwner(), statusesBottom -> dealWithPagination(statusesBottom, DIRECTION.BOTTOM, fetchingMissing));
} else if (direction == DIRECTION.TOP) {
timelinesVM.getTimeline(timelineParams)
.observe(getViewLifecycleOwner(), statusesBottom -> dealWithPagination(statusesBottom, DIRECTION.TOP, fetchingMissing));
.observe(getViewLifecycleOwner(), statusesTop -> dealWithPagination(statusesTop, DIRECTION.TOP, fetchingMissing));
} else if (direction == DIRECTION.REFRESH || direction == DIRECTION.SCROLL_TOP) {
timelinesVM.getTimeline(timelineParams)
.observe(getViewLifecycleOwner(), statusesRefresh -> {
@ -748,7 +708,6 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
} //PEERTUBE TIMELINES
else if (pinnedTimeline != null && pinnedTimeline.remoteInstance.type == RemoteInstance.InstanceType.PEERTUBE) {
if (direction == null) {
timelinesVM.getPeertube(remoteInstance, null, MastodonHelper.statusesPerCall(requireActivity()))
.observe(getViewLifecycleOwner(), this::initializeStatusesCommonView);
} else if (direction == DIRECTION.BOTTOM) {