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package com.mapbox.mapboxsdk.maps;
import android.graphics.Bitmap;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import com.mapbox.mapboxsdk.R;
import com.mapbox.mapboxsdk.annotations.InfoWindow;
import com.mapbox.mapboxsdk.annotations.Marker;
import com.mapbox.mapboxsdk.geometry.LatLngBounds;
import com.mapbox.mapboxsdk.style.expressions.Expression;
import com.mapbox.mapboxsdk.style.layers.Filter;
import com.mapbox.mapboxsdk.style.layers.Property;
import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import com.mapbox.mapboxsdk.style.sources.GeometryTileProvider;
import com.mapbox.mapboxsdk.utils.BitmapUtils;
import com.mapbox.services.commons.geojson.Feature;
import com.mapbox.services.commons.geojson.FeatureCollection;
import com.mapbox.services.commons.geojson.Point;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAllowOverlap;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAnchor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconIgnorePlacement;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconOffset;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textAllowOverlap;
/**
* Responsible for managing InfoWindows shown on the Map.
* <p>
* Maintains a {@link List} of opened {@link InfoWindow} and tracks configurations as
* allowConcurrentMultipleInfoWindows which allows to have multiple {@link InfoWindow} open at the
* same time. Responsible for managing listeners as
* {@link com.mapbox.mapboxsdk.maps.MapboxMap.OnInfoWindowClickListener} and
* {@link com.mapbox.mapboxsdk.maps.MapboxMap.OnInfoWindowLongClickListener}.
* </p>
*/
class InfoWindowManager {
private static final String SOURCE_ID = "info.window.source";
private static final String LAYER_ID = "info.window.layer";
private static final String PROPERTY_SELECTED = "info.window.property.selected";
private static final String PROPERTY_ID = "info.window.property.ID";
private GeoJsonSource infoWindowsSource;
private SymbolLayer infoWindowsLayer;
private MapboxMap mapboxMap;
private final List<InfoWindow> infoWindows = new ArrayList<>();
private final HashMap<Marker, Feature> markerFeatureHashMap = new HashMap<>();
private final HashMap<Marker, View> markerViewHashMap = new HashMap<>();
private final FeatureCollection featureCollection = FeatureCollection.fromFeatures(new ArrayList<Feature>());
private MapboxMap.InfoWindowAdapter infoWindowAdapter;
private boolean allowConcurrentMultipleInfoWindows;
private MapboxMap.OnInfoWindowClickListener onInfoWindowClickListener;
private MapboxMap.OnInfoWindowLongClickListener onInfoWindowLongClickListener;
private MapboxMap.OnInfoWindowCloseListener onInfoWindowCloseListener;
void initialise(MapboxMap mapboxMap) {
this.mapboxMap = mapboxMap;
infoWindowsSource = new GeoJsonSource(SOURCE_ID);
mapboxMap.addSource(infoWindowsSource);
infoWindowsLayer = new SymbolLayer(LAYER_ID, SOURCE_ID)
.withProperties(
iconImage("{" + PROPERTY_ID + "}"),
/* set anchor of icon to bottom-left */
iconAnchor(Property.ICON_ANCHOR_BOTTOM_LEFT),
/* offset icon slightly to match bubble layout */
iconOffset(new Float[] {-20.0f, -10.0f}),
iconIgnorePlacement(true),
textAllowOverlap(true),
iconAllowOverlap(true)
)
.withFilter(Filter.eq(PROPERTY_SELECTED, true));
mapboxMap.addLayer(infoWindowsLayer);
}
void update() {
if (!infoWindows.isEmpty()) {
for (InfoWindow infoWindow : infoWindows) {
infoWindow.update();
}
}
}
void setInfoWindowAdapter(@Nullable MapboxMap.InfoWindowAdapter infoWindowAdapter) {
this.infoWindowAdapter = infoWindowAdapter;
}
MapboxMap.InfoWindowAdapter getInfoWindowAdapter() {
return infoWindowAdapter;
}
void setAllowConcurrentMultipleOpenInfoWindows(boolean allow) {
allowConcurrentMultipleInfoWindows = allow;
}
boolean isAllowConcurrentMultipleOpenInfoWindows() {
return allowConcurrentMultipleInfoWindows;
}
boolean isInfoWindowValidForMarker(Marker marker) {
return marker != null && (!TextUtils.isEmpty(marker.getTitle()) || !TextUtils.isEmpty(marker.getSnippet()));
}
void setOnInfoWindowClickListener(@Nullable MapboxMap.OnInfoWindowClickListener listener) {
onInfoWindowClickListener = listener;
}
MapboxMap.OnInfoWindowClickListener getOnInfoWindowClickListener() {
return onInfoWindowClickListener;
}
void setOnInfoWindowLongClickListener(@Nullable MapboxMap.OnInfoWindowLongClickListener listener) {
onInfoWindowLongClickListener = listener;
}
MapboxMap.OnInfoWindowLongClickListener getOnInfoWindowLongClickListener() {
return onInfoWindowLongClickListener;
}
void setOnInfoWindowCloseListener(@Nullable MapboxMap.OnInfoWindowCloseListener listener) {
onInfoWindowCloseListener = listener;
}
MapboxMap.OnInfoWindowCloseListener getOnInfoWindowCloseListener() {
return onInfoWindowCloseListener;
}
private void invalidateWindow(MapView mapView, Marker marker) {
LayoutInflater layoutInflater = LayoutInflater.from(mapView.getContext());
View view;
if (infoWindowAdapter == null) {
view = layoutInflater.inflate(R.layout.mapbox_infowindow_content, mapView, false);
} else {
view = infoWindowAdapter.getInfoWindow(marker);
}
markerViewHashMap.put(marker, view);
if (view != null) {
Bitmap bitmap = BitmapUtils.generate(view);
mapboxMap.addImage(String.valueOf(marker.getId()), bitmap);
}
}
void addMarker(MapView mapView, Marker marker) {
invalidateWindow(mapView, marker);
addNewFeature(marker);
refreshSource();
}
void addMarkers(MapView mapView, List<Marker> markers) {
for (Marker marker : markers) {
invalidateWindow(mapView, marker);
addNewFeature(marker);
}
refreshSource();
}
private void addNewFeature(Marker marker) {
Feature feature = Feature.fromGeometry(
Point.fromCoordinates(
new double[] {marker.getPosition().getLongitude(), marker.getPosition().getLatitude()}
)
);
feature.addNumberProperty(PROPERTY_ID, marker.getId());
feature.addBooleanProperty(PROPERTY_SELECTED, false);
featureCollection.getFeatures().add(feature);
markerFeatureHashMap.put(marker, feature);
}
void removeMarker(Marker marker) {
Feature feature = markerFeatureHashMap.get(marker);
featureCollection.getFeatures().remove(feature);
markerFeatureHashMap.remove(marker);
markerViewHashMap.remove(marker);
refreshSource();
}
void removeAll() {
featureCollection.getFeatures().clear();
markerFeatureHashMap.clear();
markerViewHashMap.clear();
refreshSource();
}
public void show(Marker marker) {
Feature feature = markerFeatureHashMap.get(marker);
boolean isSelected = feature.getBooleanProperty(PROPERTY_SELECTED);
if (!isSelected) {
feature.addBooleanProperty(PROPERTY_SELECTED, true);
refreshSource();
}
}
void hide(Marker marker) {
Feature feature = markerFeatureHashMap.get(marker);
boolean isSelected = feature.getBooleanProperty(PROPERTY_SELECTED);
if (isSelected) {
feature.addBooleanProperty(PROPERTY_SELECTED, false);
refreshSource();
MapboxMap.OnInfoWindowCloseListener listener = mapboxMap.getOnInfoWindowCloseListener();
if (listener != null) {
listener.onInfoWindowClose(marker);
}
}
}
private void refreshSource() {
if (mapboxMap.getSource(SOURCE_ID) == null) {
mapboxMap.addSource(infoWindowsSource);
}
infoWindowsSource.setGeoJson(featureCollection);
}
}
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