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AirMapOverlay.java
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AirMapOverlay.java
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package versioned.host.exp.exponent.modules.api.components.maps;
import android.content.Context;
import android.graphics.Bitmap;
import com.facebook.react.bridge.ReadableArray;
import com.facebook.react.bridge.ReadableMap;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.model.BitmapDescriptor;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.GroundOverlay;
import com.google.android.gms.maps.model.GroundOverlayOptions;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.LatLngBounds;
import java.util.ArrayList;
public class AirMapOverlay extends AirMapFeature implements ImageReadable {
private GroundOverlayOptions groundOverlayOptions;
private GroundOverlay groundOverlay;
private LatLngBounds bounds;
private BitmapDescriptor iconBitmapDescriptor;
private Bitmap iconBitmap;
private boolean tappable;
private float zIndex;
private float transparency;
private final ImageReader mImageReader;
private GoogleMap map;
public AirMapOverlay(Context context) {
super(context);
this.mImageReader = new ImageReader(context, getResources(), this);
}
public void setBounds(ReadableArray bounds) {
LatLng sw = new LatLng(bounds.getArray(1).getDouble(0), bounds.getArray(0).getDouble(1));
LatLng ne = new LatLng(bounds.getArray(0).getDouble(0), bounds.getArray(1).getDouble(1));
this.bounds = new LatLngBounds(sw, ne);
if (this.groundOverlay != null) {
this.groundOverlay.setPositionFromBounds(this.bounds);
}
}
public void setZIndex(float zIndex) {
this.zIndex = zIndex;
if (this.groundOverlay != null) {
this.groundOverlay.setZIndex(zIndex);
}
}
public void setTransparency(float transparency) {
this.transparency = transparency;
if (groundOverlay != null) {
groundOverlay.setTransparency(transparency);
}
}
public void setImage(String uri) {
this.mImageReader.setImage(uri);
}
public void setTappable(boolean tapabble) {
this.tappable = tapabble;
if (groundOverlay != null) {
groundOverlay.setClickable(tappable);
}
}
public GroundOverlayOptions getGroundOverlayOptions() {
if (this.groundOverlayOptions == null) {
this.groundOverlayOptions = createGroundOverlayOptions();
}
return this.groundOverlayOptions;
}
private GroundOverlayOptions createGroundOverlayOptions() {
if (this.groundOverlayOptions != null) {
return this.groundOverlayOptions;
}
GroundOverlayOptions options = new GroundOverlayOptions();
if (this.iconBitmapDescriptor != null) {
options.image(iconBitmapDescriptor);
} else {
// add stub image to be able to instantiate the overlay
// and store a reference to it in MapView
options.image(BitmapDescriptorFactory.defaultMarker());
// hide overlay until real image gets added
options.visible(false);
}
options.positionFromBounds(bounds);
options.zIndex(zIndex);
return options;
}
@Override
public Object getFeature() {
return groundOverlay;
}
@Override
public void addToMap(GoogleMap map) {
GroundOverlayOptions groundOverlayOptions = getGroundOverlayOptions();
if (groundOverlayOptions != null) {
this.groundOverlay = map.addGroundOverlay(groundOverlayOptions);
this.groundOverlay.setClickable(this.tappable);
} else {
this.map = map;
}
}
@Override
public void removeFromMap(GoogleMap map) {
this.map = null;
if (this.groundOverlay != null) {
this.groundOverlay.remove();
this.groundOverlay = null;
this.groundOverlayOptions = null;
}
}
@Override
public void setIconBitmap(Bitmap bitmap) {
this.iconBitmap = bitmap;
}
@Override
public void setIconBitmapDescriptor(
BitmapDescriptor iconBitmapDescriptor) {
this.iconBitmapDescriptor = iconBitmapDescriptor;
}
@Override
public void update() {
this.groundOverlay = getGroundOverlay();
if (this.groundOverlay != null) {
this.groundOverlay.setVisible(true);
this.groundOverlay.setImage(this.iconBitmapDescriptor);
this.groundOverlay.setTransparency(this.transparency);
this.groundOverlay.setClickable(this.tappable);
}
}
private GroundOverlay getGroundOverlay() {
if (this.groundOverlay != null) {
return this.groundOverlay;
}
if (this.map == null) {
return null;
}
GroundOverlayOptions groundOverlayOptions = getGroundOverlayOptions();
if (groundOverlayOptions != null) {
return this.map.addGroundOverlay(groundOverlayOptions);
}
return null;
}
}