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package com.mapbox.mapboxsdk.style.layers;
import android.support.annotation.Keep;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import com.google.gson.JsonElement;
import com.mapbox.mapboxsdk.LibraryLoader;
import com.mapbox.mapboxsdk.style.expressions.Expression;
import com.mapbox.mapboxsdk.style.types.Formatted;
import com.mapbox.mapboxsdk.utils.ThreadUtils;
/**
* Base class for the different Layer types
*/
public abstract class Layer {
@Keep
private long nativePtr;
@Keep
private boolean invalidated;
private boolean detached;
static {
LibraryLoader.load();
}
@Keep
protected Layer(long nativePtr) {
checkThread();
this.nativePtr = nativePtr;
}
public Layer() {
checkThread();
}
/**
* Validates if layer interaction is happening on the UI thread
*/
protected void checkThread() {
ThreadUtils.checkThread("Layer");
}
public void setProperties(@NonNull PropertyValue<?>... properties) {
if (detached) {
return;
}
checkThread();
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);
}
}
}
@NonNull
public String getId() {
checkThread();
return nativeGetId();
}
@NonNull
public PropertyValue<String> getVisibility() {
checkThread();
return new PaintPropertyValue<>("visibility", (String) nativeGetVisibility());
}
public float getMinZoom() {
checkThread();
return nativeGetMinZoom();
}
public float getMaxZoom() {
checkThread();
return nativeGetMaxZoom();
}
public void setMinZoom(float zoom) {
checkThread();
nativeSetMinZoom(zoom);
}
public void setMaxZoom(float zoom) {
checkThread();
nativeSetMaxZoom(zoom);
}
@Override
@Keep
protected native void finalize() throws Throwable;
@NonNull
@Keep
protected native String nativeGetId();
@NonNull
@Keep
protected native Object nativeGetVisibility();
@Keep
protected native void nativeSetLayoutProperty(String name, Object value);
@Keep
protected native void nativeSetPaintProperty(String name, Object value);
@Keep
protected native void nativeSetFilter(Object[] filter);
@Nullable
@Keep
protected native JsonElement nativeGetFilter();
@Keep
protected native void nativeSetSourceLayer(String sourceLayer);
@NonNull
@Keep
protected native String nativeGetSourceLayer();
@NonNull
@Keep
protected native String nativeGetSourceId();
@Keep
protected native float nativeGetMinZoom();
@Keep
protected native float nativeGetMaxZoom();
@Keep
protected native void nativeSetMinZoom(float zoom);
@Keep
protected native void nativeSetMaxZoom(float zoom);
public long getNativePtr() {
return nativePtr;
}
@Nullable
private Object convertValue(@Nullable Object value) {
if (value instanceof Expression) {
return ((Expression) value).toArray();
} else if (value instanceof Formatted) {
return ((Formatted) value).toArray();
} else {
return value;
}
}
public void setDetached() {
detached = true;
}
public boolean isDetached() {
return detached;
}
}
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