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package system
import (
"hakurei.app/hst"
"hakurei.app/internal/xcb"
)
// ChangeHosts inserts the target user into X11 hosts and deletes it once its
// [hst.Enablements] is no longer satisfied.
func (sys *I) ChangeHosts(username string) *I {
sys.ops = append(sys.ops, xhostOp(username))
return sys
}
// xhostOp implements [I.ChangeHosts].
type xhostOp string
func (x xhostOp) Type() hst.Enablements { return hst.EX11 }
func (x xhostOp) apply(sys *I) error {
sys.msg.Verbosef("inserting entry %s to X11", x)
return newOpError("xhost",
sys.xcbChangeHosts(xcb.HostModeInsert, xcb.FamilyServerInterpreted, "localuser\x00"+string(x)), false)
}
func (x xhostOp) revert(sys *I, ec *Criteria) error {
if ec.hasType(x.Type()) {
sys.msg.Verbosef("deleting entry %s from X11", x)
return newOpError("xhost",
sys.xcbChangeHosts(xcb.HostModeDelete, xcb.FamilyServerInterpreted, "localuser\x00"+string(x)), true)
} else {
sys.msg.Verbosef("skipping entry %s in X11", x)
return nil
}
}
func (x xhostOp) Is(o Op) bool { target, ok := o.(xhostOp); return ok && x == target }
func (x xhostOp) Path() string { return "/tmp/.X11-unix" }
func (x xhostOp) String() string { return string("SI:localuser:" + x) }
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