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package com.mapbox.mapboxsdk.maps.renderer.glsurfaceview;
import android.content.Context;
import android.opengl.GLSurfaceView;
import android.support.annotation.NonNull;
import android.util.AttributeSet;
/**
* {@link GLSurfaceView} extension that notifies a listener when the view is detached from window,
* which is the point of destruction of the GL thread.
*/
public class MapboxGLSurfaceView extends GLSurfaceView {
private OnGLSurfaceViewDetachedListener detachedListener;
public MapboxGLSurfaceView(Context context) {
super(context);
}
public MapboxGLSurfaceView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onDetachedFromWindow() {
if (detachedListener != null) {
detachedListener.onGLSurfaceViewDetached();
}
super.onDetachedFromWindow();
}
/**
* Set a listener that gets notified when the view is detached from window.
*
* @param detachedListener listener
*/
public void setDetachedListener(@NonNull OnGLSurfaceViewDetachedListener detachedListener) {
if (this.detachedListener != null) {
throw new IllegalArgumentException("Detached from window listener has been already set.");
}
this.detachedListener = detachedListener;
}
/**
* Listener interface that notifies when a {@link MapboxGLSurfaceView} is detached from window.
*/
public interface OnGLSurfaceViewDetachedListener {
/**
* Called when a {@link MapboxGLSurfaceView} is detached from window.
*/
void onGLSurfaceViewDetached();
}
}
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