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package com.mapbox.mapboxsdk.style.layers;
import android.support.annotation.NonNull;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.mapbox.mapboxsdk.style.expressions.Expression;
/**
* Base class for the different Layer types
*/
public abstract class Layer {
private long nativePtr;
private boolean invalidated;
public Layer(long nativePtr) {
this.nativePtr = nativePtr;
}
public Layer() {
}
public void setProperties(@NonNull PropertyValue<?>... properties) {
if (properties.length == 0) {
return;
}
for (PropertyValue<?> property : properties) {
Object converted = convertValue(property.value);
if (property instanceof PaintPropertyValue) {
nativeSetPaintProperty(property.name, converted);
} else {
nativeSetLayoutProperty(property.name, converted);
}
}
}
public String getId() {
return nativeGetId();
}
public PropertyValue<String> getVisibility() {
return new PaintPropertyValue<>("visibility", (String) nativeGetVisibility());
}
public float getMinZoom() {
return nativeGetMinZoom();
}
public float getMaxZoom() {
return nativeGetMaxZoom();
}
public void setMinZoom(float zoom) {
nativeSetMinZoom(zoom);
}
public void setMaxZoom(float zoom) {
nativeSetMaxZoom(zoom);
}
@Override
protected native void finalize() throws Throwable;
protected native String nativeGetId();
protected native Object nativeGetVisibility();
protected native void nativeSetLayoutProperty(String name, Object value);
protected native void nativeSetPaintProperty(String name, Object value);
protected native void nativeSetFilter(Object[] filter);
protected native JsonElement nativeGetFilter();
protected native void nativeSetSourceLayer(String sourceLayer);
protected native String nativeGetSourceLayer();
protected native float nativeGetMinZoom();
protected native float nativeGetMaxZoom();
protected native void nativeSetMinZoom(float zoom);
protected native void nativeSetMaxZoom(float zoom);
public long getNativePtr() {
return nativePtr;
}
private Object convertValue(Object value) {
if (value != null && value instanceof Expression) {
return ((Expression) value).toArray();
}
return value;
}
}
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