1 files changed, 71 insertions, 0 deletions
diff --git a/internal/system/dbus/config.go b/internal/system/dbus/config.go
new file mode 100644
index 00000000..2a09ee90
--- /dev/null
+++ b/internal/system/dbus/config.go
@@ -0,0 +1,71 @@
+package dbus
+
+import (
+	"hakurei.app/hst"
+)
+
+// ProxyPair is an upstream dbus address and a downstream socket path.
+type ProxyPair [2]string
+
+// Args returns the xdg-dbus-proxy arguments equivalent of [hst.BusConfig].
+func Args(c *hst.BusConfig, bus ProxyPair) (args []string) {
+	argc := 2 + len(c.See) + len(c.Talk) + len(c.Own) + len(c.Call) + len(c.Broadcast)
+	if c.Log {
+		argc++
+	}
+	if c.Filter {
+		argc++
+	}
+
+	args = make([]string, 0, argc)
+	args = append(args, bus[0], bus[1])
+	if c.Filter {
+		args = append(args, "--filter")
+	}
+	for _, name := range c.See {
+		args = append(args, "--see="+name)
+	}
+	for _, name := range c.Talk {
+		args = append(args, "--talk="+name)
+	}
+	for _, name := range c.Own {
+		args = append(args, "--own="+name)
+	}
+	for name, rule := range c.Call {
+		args = append(args, "--call="+name+"="+rule)
+	}
+	for name, rule := range c.Broadcast {
+		args = append(args, "--broadcast="+name+"="+rule)
+	}
+	if c.Log {
+		args = append(args, "--log")
+	}
+
+	return
+}
+
+// NewConfig returns the address of a new [hst.BusConfig] with optional defaults.
+func NewConfig(id string, defaults, mpris bool) *hst.BusConfig {
+	c := hst.BusConfig{
+		Call:      make(map[string]string),
+		Broadcast: make(map[string]string),
+
+		Filter: true,
+	}
+
+	if defaults {
+		c.Talk = []string{"org.freedesktop.DBus", "org.freedesktop.Notifications"}
+
+		c.Call["org.freedesktop.portal.*"] = "*"
+		c.Broadcast["org.freedesktop.portal.*"] = "@/org/freedesktop/portal/*"
+
+		if id != "" {
+			c.Own = []string{id + ".*"}
+			if mpris {
+				c.Own = append(c.Own, "org.mpris.MediaPlayer2."+id+".*")
+			}
+		}
+	}
+
+	return &c
+}