Package org.webkitgtk.webprocessextension

Interface ScriptWorld.WindowObjectClearedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

ScriptWorld

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 ScriptWorld.WindowObjectClearedCallback
extends FunctionPointer

Functional interface declaration of the WindowObjectClearedCallback callback.

See Also:

• run(org.webkitgtk.webprocessextension.WebPage, org.webkitgtk.webprocessextension.Frame)

Method Summary

Modifier and Type	Method	Description
void	run(@Nullable WebPage page, @Nullable Frame frame)	Emitted when the JavaScript window object in a WebKitScriptWorld has been cleared.
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 sourceScriptWorld, MemorySegment page, MemorySegment frame)	The upcall method is called from native code.

Method Details

run

void run(@Nullable WebPage page,
 @Nullable Frame frame)

Emitted when the JavaScript window object in a WebKitScriptWorld has been cleared. This is the preferred place to set custom properties on the window object using the JavaScriptCore API. You can get the window object of frame from the JavaScript execution context of world that is returned by webkit_frame_get_js_context_for_script_world().

Since:

2.2

upcall

default void upcall(MemorySegment sourceScriptWorld,
 MemorySegment page,
 MemorySegment frame)

The upcall method is called from native code. The parameters are marshaled and run(org.webkitgtk.webprocessextension.WebPage, org.webkitgtk.webprocessextension.Frame) 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 arena in which the function pointer is allocated

Returns:

the native function pointer