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package com.mapbox.mapboxsdk.location;
import com.mapbox.geojson.Feature;
import com.mapbox.mapboxsdk.style.layers.CircleLayer;
import com.mapbox.mapboxsdk.style.layers.Layer;
import com.mapbox.mapboxsdk.style.layers.Property;
import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonOptions;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.ACCURACY_LAYER;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.BACKGROUND_LAYER;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.BEARING_LAYER;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.FOREGROUND_LAYER;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.LOCATION_SOURCE;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_ACCURACY_ALPHA;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_ACCURACY_COLOR;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_ACCURACY_RADIUS;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_BACKGROUND_ICON;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_BACKGROUND_STALE_ICON;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_BEARING_ICON;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_COMPASS_BEARING;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_FOREGROUND_ICON;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_FOREGROUND_ICON_OFFSET;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_FOREGROUND_STALE_ICON;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_GPS_BEARING;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_LOCATION_STALE;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.PROPERTY_SHADOW_ICON_OFFSET;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.SHADOW_ICON;
import static com.mapbox.mapboxsdk.location.LocationComponentConstants.SHADOW_LAYER;
import static com.mapbox.mapboxsdk.style.expressions.Expression.get;
import static com.mapbox.mapboxsdk.style.expressions.Expression.literal;
import static com.mapbox.mapboxsdk.style.expressions.Expression.match;
import static com.mapbox.mapboxsdk.style.expressions.Expression.stop;
import static com.mapbox.mapboxsdk.style.expressions.Expression.switchCase;
import static com.mapbox.mapboxsdk.style.layers.Property.ICON_ROTATION_ALIGNMENT_MAP;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleOpacity;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circlePitchAlignment;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleRadius;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleStrokeColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAllowOverlap;
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.iconRotate;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconRotationAlignment;
class LayerSourceProvider {
private static final String EMPTY_STRING = "";
GeoJsonSource generateSource(Feature locationFeature) {
return new GeoJsonSource(
LOCATION_SOURCE,
locationFeature,
new GeoJsonOptions().withMaxZoom(16)
);
}
Layer generateLayer(String layerId) {
SymbolLayer layer = new SymbolLayer(layerId, LOCATION_SOURCE);
layer.setProperties(
iconAllowOverlap(true),
iconIgnorePlacement(true),
iconRotationAlignment(ICON_ROTATION_ALIGNMENT_MAP),
iconRotate(
match(literal(layerId), literal(0f),
stop(FOREGROUND_LAYER, get(PROPERTY_GPS_BEARING)),
stop(BACKGROUND_LAYER, get(PROPERTY_GPS_BEARING)),
stop(SHADOW_LAYER, get(PROPERTY_GPS_BEARING)),
stop(BEARING_LAYER, get(PROPERTY_COMPASS_BEARING))
)
),
iconImage(
match(literal(layerId), literal(EMPTY_STRING),
stop(FOREGROUND_LAYER, switchCase(
get(PROPERTY_LOCATION_STALE), get(PROPERTY_FOREGROUND_STALE_ICON),
get(PROPERTY_FOREGROUND_ICON))),
stop(BACKGROUND_LAYER, switchCase(
get(PROPERTY_LOCATION_STALE), get(PROPERTY_BACKGROUND_STALE_ICON),
get(PROPERTY_BACKGROUND_ICON))),
stop(SHADOW_LAYER, literal(SHADOW_ICON)),
stop(BEARING_LAYER, get(PROPERTY_BEARING_ICON))
)
),
iconOffset(
match(literal(layerId), literal(new Float[] {0f, 0f}),
stop(literal(FOREGROUND_LAYER), get(PROPERTY_FOREGROUND_ICON_OFFSET)),
stop(literal(SHADOW_LAYER), get(PROPERTY_SHADOW_ICON_OFFSET))
)
)
);
return layer;
}
Layer generateAccuracyLayer() {
return new CircleLayer(ACCURACY_LAYER, LOCATION_SOURCE)
.withProperties(
circleRadius(get(PROPERTY_ACCURACY_RADIUS)),
circleColor(get(PROPERTY_ACCURACY_COLOR)),
circleOpacity(get(PROPERTY_ACCURACY_ALPHA)),
circleStrokeColor(get(PROPERTY_ACCURACY_COLOR)),
circlePitchAlignment(Property.CIRCLE_PITCH_ALIGNMENT_MAP)
);
}
}
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