refactor client activities

Make the activity stack explicit and move reusable activities to the
activity package.

1 files changed, 25 insertions, 0 deletions

diff --git a/go/ui/openUrl.go b/go/ui/openUrl.go
new file mode 100644
index 00000000..7e227ba8
--- /dev/null
+++ b/go/ui/openUrl.go
@@ -0,0 +1,25 @@
+package ui
+
+import (
+	"os/exec"
+	"runtime"
+)
+
+// https://stackoverflow.com/questions/39320371/how-start-web-server-to-open-page-in-browser-in-golang
+// open opens the specified URL in the default browser of the user.
+func OpenUrl(url string) error {
+	var cmd string
+	var args []string
+
+	switch runtime.GOOS {
+	case "windows":
+		cmd = "cmd"
+		args = []string{"/c", "start"}
+	case "darwin":
+		cmd = "open"
+	default: // "linux", "freebsd", "openbsd", "netbsd"
+		cmd = "xdg-open"
+	}
+	args = append(args, url)
+	return exec.Command(cmd, args...).Start()
+}