Package org.webkitgtk

Interface WebView.CloseCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

WebView

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface WebView.CloseCallback
extends FunctionPointer

Functional interface declaration of the CloseCallback callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
void	run()	Emitted when closing a WebKitWebView is requested.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceWebView)	The upcall method is called from native code.

Method Details

run

void run()

Emitted when closing a WebKitWebView is requested. This occurs when a call is made from JavaScript's <function>window.close</function> function or after trying to close the webView with webkit_web_view_try_close(). It is the owner's responsibility to handle this signal to hide or destroy the WebKitWebView, if necessary.

upcall

default void upcall(MemorySegment sourceWebView)

The upcall method is called from native code. The parameters are marshaled and run() is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the arena in which the function pointer is allocated

Returns:

the native function pointer