browser_launcher.go RawHistoryFolder

1package desktop
2
3import (
4	"context"
5	"errors"
6	"fmt"
7	"os/exec"
8
9	"github.com/bnema/dumber/internal/application/port"
10)
11
12// ErrBrowserLaunchUnconfirmed reports that a running browser instance may have
13// received the request, but the caller could not confirm that in time.
14var ErrBrowserLaunchUnconfirmed = errors.New("browser launch could not be confirmed")
15
16// BrowserLauncher opens URLs in a relay-first dumber browser instance.
17type BrowserLauncher struct {
18	relay                 port.BrowserLaunchRelay
19	resolveExecutablePath func() (string, error)
20	startDetachedProcess  func(*exec.Cmd) error
21}
22
23// NewBrowserLauncher creates a browser launcher that prefers relay handoff.
24func NewBrowserLauncher(relay port.BrowserLaunchRelay) *BrowserLauncher {
25	return &BrowserLauncher{
26		relay:                 relay,
27		resolveExecutablePath: getExecutablePath,
28		startDetachedProcess:  startDetachedProcess,
29	}
30}
31
32// LaunchURL forwards the URL to a running instance when possible, otherwise spawns a new one.
33func (l *BrowserLauncher) LaunchURL(ctx context.Context, url string) error {
34	if l == nil {
35		return errors.New("browser launcher is unavailable")
36	}
37
38	if l.relay != nil {
39		delivered, err := l.relay.DeliverOpenFreshWindow(ctx, url)
40		if err != nil {
41			if delivered && errors.Is(err, ErrBrowserLaunchRelayUnconfirmed) {
42				return ErrBrowserLaunchUnconfirmed
43			}
44			return fmt.Errorf("forward dumber browser URL: %w", err)
45		}
46		if delivered {
47			return nil
48		}
49	}
50
51	if err := launchBrowserBrowseURL(url, l.resolveExecutablePath, l.startDetachedProcess); err != nil {
52		return fmt.Errorf("launch dumber browse: %w", err)
53	}
54	return nil
55}