refactor(display): use chrome devtools protocol (#38)

control/frontend/src/lib/ts/api_handler.ts

@@ -51,6 +51,17 @@ export async function show_html(ip: string, html: string): Promise<void> {
 	await request_display(ip, '/showHTML', options);
 }
 
+export async function open_website(ip: string, url: string): Promise<void> {
+	const options = {
+		method: 'PATCH',
+		headers: { 'content-type': 'application/json' },
+		body: JSON.stringify({
+			url: url
+		})
+	};
+	await request_display(ip, '/openWebsite', options);
+}
+
 export async function get_file_data(
 	ip: string,
 	path: string

control/frontend/src/routes/ControlView.svelte

@@ -21,7 +21,8 @@
 		show_blackscreen,
 		shutdown,
 		startup,
-		show_html
+		show_html,
+		open_website
 	} from '$lib/ts/api_handler';
 	import {
 		get_display_by_id,
@@ -144,7 +145,7 @@
 	async function send_website() {
 		popup_content.open = false;
 		await run_on_all_selected_displays((d) =>
-			show_html(d.ip, `<iframe src="${website_url}"></iframe>`)
+			open_website(d.ip, website_url)
 		);
 	}
 </script>

control/main.go

@@ -64,7 +64,7 @@ func main() {
 			os.Exit(1)
 		}
 	}()
-	err = shared.OpenBrowserWindow("http://localhost:"+port, false, "control")
+	err = openBrowserWindow("http://localhost:" + port)
 	if err != nil {
 		slog.Error("Failed to open browser window", "error", err)
 		os.Exit(1)

control/open_browser.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"plg-mudics/shared"
+)
+
+func openBrowserWindow(url string) error {
+	bins := []string{"chromium", "chromium-browser"}
+
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return fmt.Errorf("unable to determine user home directory: %w", err)
+	}
+	browserProfileDirPath := filepath.Join(home, ".local", "share", "plg-mudics", "browser-control")
+	if err := os.MkdirAll(browserProfileDirPath, os.ModePerm); err != nil {
+		return fmt.Errorf("failed to create local config directory: %w", err)
+	}
+
+	args := []string{
+		fmt.Sprintf("--app=%s", url),
+		fmt.Sprintf("--user-data-dir=%s", browserProfileDirPath),
+	}
+
+	errs := []string{}
+	for _, bin := range bins {
+		cmd := exec.Command(bin, args...)
+		commandOutput := shared.RunShellCommand(cmd)
+		if commandOutput.ExitCode == 0 {
+			return nil
+		}
+		errs = append(errs, commandOutput.Stderr)
+	}
+
+	return errors.New("failed to open browser window: " + fmt.Sprint(errs))
+}