uri_scheme.go RawHistoryFolder

1package webkit
2
3import (
4	"fmt"
5	"log"
6
7	webkit "github.com/diamondburned/gotk4-webkitgtk/pkg/webkit/v6"
8)
9
10// URISchemeRequestCallback is called when a custom URI scheme is requested
11type URISchemeRequestCallback func(request *webkit.URISchemeRequest)
12
13// URISchemeHandler stores registered URI scheme handlers
14type URISchemeHandler struct {
15	scheme   string
16	callback URISchemeRequestCallback
17}
18
19var (
20	// pendingURISchemeHandlers stores handlers to be registered before WebView creation
21	pendingURISchemeHandlers []*URISchemeHandler
22)
23
24// RegisterURIScheme registers a custom URI scheme handler
25// In WebKitGTK 6.0, this must be called BEFORE creating any WebViews
26// The actual registration happens in InitPersistentSession
27func RegisterURIScheme(scheme string, callback URISchemeRequestCallback) {
28	log.Printf("[webkit] Registering URI scheme handler for: %s", scheme)
29	pendingURISchemeHandlers = append(pendingURISchemeHandlers, &URISchemeHandler{
30		scheme:   scheme,
31		callback: callback,
32	})
33}
34
35// ApplyURISchemeHandlers registers all pending URI schemes on the WebContext
36// This should be called after creating the first WebView
37func ApplyURISchemeHandlers(view *webkit.WebView) error {
38	if view == nil {
39		return fmt.Errorf("webview is nil")
40	}
41
42	ctx := view.Context()
43	if ctx == nil {
44		return fmt.Errorf("webcontext is nil")
45	}
46
47	for _, handler := range pendingURISchemeHandlers {
48		log.Printf("[webkit] Registering URI scheme on WebContext: %s", handler.scheme)
49
50		// Capture handler in closure
51		callback := handler.callback
52		ctx.RegisterURIScheme(handler.scheme, func(req *webkit.URISchemeRequest) {
53			if callback != nil {
54				callback(req)
55			}
56		})
57	}
58
59	return nil
60}
61
62// FinishURISchemeRequest finishes a URI scheme request with data
63func FinishURISchemeRequest(req *webkit.URISchemeRequest, mimeType string, data []byte) error {
64	if req == nil {
65		return ErrWebViewNotInitialized
66	}
67
68	// Import gio for input stream
69	// This will be handled in the caller
70	return nil
71}