Package org.gnome.webkit

Interface BackForwardList.ChangedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

BackForwardList

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 BackForwardList.ChangedCallback
extends FunctionPointer

Functional interface declaration of the ChangedCallback callback.

See Also:

• run(org.gnome.webkit.BackForwardListItem, java.lang.foreign.MemorySegment)

Method Summary

Modifier and Type	Method	Description
void	run(@Nullable BackForwardListItem itemAdded, @Nullable MemorySegment itemsRemoved)	This signal is emitted when backForwardList changes.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceBackForwardList, MemorySegment itemAdded, MemorySegment itemsRemoved)	The upcall method is called from native code.

Method Details

run

void run(@Nullable
 @Nullable BackForwardListItem itemAdded,
 @Nullable
 @Nullable MemorySegment itemsRemoved)

This signal is emitted when backForwardList changes. This happens when the current item is updated, a new item is added or one or more items are removed. Note that both itemAdded and itemsRemoved can null when only the current item is updated. Items are only removed when the list is cleared or the maximum items limit is reached.

upcall

default void upcall(MemorySegment sourceBackForwardList,
 MemorySegment itemAdded,
 MemorySegment itemsRemoved)

The upcall method is called from native code. The parameters are marshaled and run(org.gnome.webkit.BackForwardListItem, java.lang.foreign.MemorySegment) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

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

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the function pointer will be allocated in this arena

Returns:

the native function pointer