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package com.mapbox.mapboxsdk.style.layers;
import android.support.annotation.NonNull;
/**
* 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 Property<?>... properties) {
checkValidity();
if (properties.length == 0) {
return;
}
boolean updateClasses = false;
for (Property<?> property : properties) {
Object converted = convertValue(property.value);
if (property instanceof PaintProperty) {
updateClasses = true;
nativeSetPaintProperty(property.name, converted);
} else {
nativeSetLayoutProperty(property.name, converted);
}
}
nativeUpdateStyle(updateClasses);
}
public String getId() {
checkValidity();
return nativeGetId();
}
public PropertyValue<String> getVisibility() {
checkValidity();
return new PropertyValue<>(nativeGetVisibility());
}
public float getMinZoom() {
checkValidity();
return nativeGetMinZoom();
}
public float getMaxZoom() {
checkValidity();
return nativeGetMaxZoom();
}
public void setMinZoom(float zoom) {
checkValidity();
nativeSetMinZoom(zoom);
}
public void setMaxZoom(float zoom) {
checkValidity();
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 void nativeSetSourceLayer(String sourceLayer);
protected native void nativeUpdateStyle(boolean updateClasses);
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) {
return value != null && value instanceof Function ? ((Function) value).toValueObject() : value;
}
protected void checkValidity() {
if (invalidated) {
throw new RuntimeException("Layer has been invalidated. Request a new reference after adding");
}
}
public final void invalidate() {
this.invalidated = true;
}
}
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