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Issue 5835 nearby (#5843)

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* NearbyParentFragment.java:
OnScroll - removed distance threshold, delay search by 800ms, discard multiple OnScroll within 800ms.
OnDestroy - destroy any queued OnScroll events

* NearbyParentFragment.java:
loadPlacesDataAsync - set batchSize from 50 back to original 3

* comment

---------

Co-authored-by: Nicolas Raoul <nicolas.raoul@gmail.com>
This commit is contained in:
tristan 2024-10-02 14:03:25 +10:00 • committed by GitHub
parent 3d49b1f79a
commit d0e64d7886
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1 changed files with 28 additions and 23 deletions
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45
app/src/main/java/fr/free/nrw/commons/nearby/fragments/NearbyParentFragment.java
View file

@ -27,6 +27,7 @@ import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.provider.Settings;
import android.text.Html;
@ -149,7 +150,6 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
WikidataEditListener.WikidataP18EditListener, LocationUpdateListener,
LocationPermissionCallback, BottomSheetAdapter.ItemClickListener {
FragmentNearbyParentBinding binding;
@Inject
@ -171,6 +171,7 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
SystemThemeUtils systemThemeUtils;
@Inject
CommonPlaceClickActions commonPlaceClickActions;
private LocationPermissionsHelper locationPermissionsHelper;
private NearbyFilterSearchRecyclerViewAdapter nearbyFilterSearchRecyclerViewAdapter;
private BottomSheetBehavior bottomSheetListBehavior;
@ -208,6 +209,11 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
private Place nearestPlace;
private volatile boolean stopQuery;
private boolean isSearchInProgress = false;
private final Handler searchHandler = new Handler();
private Runnable searchRunnable;
private static final long SCROLL_DELAY = 800; // Delay for debounce of onscroll, in milliseconds.
private List<Place> updatedPlacesList;
private LatLng updatedLatLng;
private boolean searchable;
@ -419,28 +425,27 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
binding.map.addMapListener(new MapListener() {
@Override
public boolean onScroll(ScrollEvent event) {
if (lastMapFocus != null) {
Location mylocation = new Location("");
Location dest_location = new Location("");
dest_location.setLatitude(binding.map.getMapCenter().getLatitude());
dest_location.setLongitude(binding.map.getMapCenter().getLongitude());
mylocation.setLatitude(lastMapFocus.getLatitude());
mylocation.setLongitude(lastMapFocus.getLongitude());
Float distance = mylocation.distanceTo(dest_location);//in meters
if (lastMapFocus != null) {
if (isNetworkConnectionEstablished() && (event.getX() > 0
|| event.getY() > 0)) {
if (distance > 2000.0) {
searchable = true;
// Remove any pending search runnables
searchHandler.removeCallbacks(searchRunnable);
// Set a runnable to call the Search after a delay
searchRunnable = new Runnable() {
@Override
public void run() {
if (!isSearchInProgress) {
isSearchInProgress = true; // search executing flag
// Start Search
try {
presenter.searchInTheArea();
} else {
searchable = false;
} finally {
isSearchInProgress = false;
}
}
} else {
searchable = false;
}
}
};
// post runnable with configured SCROLL_DELAY
searchHandler.postDelayed(searchRunnable, SCROLL_DELAY);
return true;
}
@ -680,6 +685,7 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
@Override
public void onDestroyView() {
super.onDestroyView();
searchHandler.removeCallbacks(searchRunnable);
presenter.removeNearbyPreferences(applicationKvStore);
}
@ -2499,5 +2505,4 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
intent.setData(Uri.parse(WLM_URL));
startActivity(intent);
}
}