script_cgo.go RawHistoryFolder

1//go:build webkit_cgo
2
3package webkit
4
5/*
6#cgo pkg-config: webkitgtk-6.0 gtk4
7#include <stdlib.h>
8#include <webkit/webkit.h>
9*/
10import "C"
11
12import "unsafe"
13
14func (w *WebView) InjectScript(js string) error {
15	if w == nil || w.destroyed || w.native == nil || w.native.wv == nil {
16		return ErrNotImplemented
17	}
18	cjs := C.CString(js)
19	defer C.free(unsafe.Pointer(cjs))
20	// Fire-and-forget evaluation using the modern API
21	// length: -1 (NUL-terminated), world_name/source_uri: NULL, starting_line_number: 0
22	C.webkit_web_view_evaluate_javascript(
23		w.native.wv,
24		(*C.gchar)(cjs),
25		C.gssize(-1),
26		nil, // world_name
27		nil, // source_uri
28		nil, // cancellable
29		nil, // callback
30		nil, // user_data
31	)
32	return nil
33}