#!/bin/bash
# Reports whether the *presence-detect daemon* is currently holding the idle
# inhibitor (i.e. the camera saw motion and is auto-keeping the screen awake),
# as opposed to a manual caffeine toggle.
#
# The lock is shared with caffeine.sh, so PID_FILE alone can't tell the two
# sources apart. OWNED_FLAG is touched only by presence-detect.sh when it starts
# the inhibitor and cleared by both a manual caffeine toggle and the daemon's
# own release — so "PID alive AND OWNED_FLAG present" uniquely means the daemon
# owns the lock right now.
#
# Prints "true" when presence-detect owns the lock, else "false". Used by the
# Eww caffeine widget to highlight itself in the Active Hot Pink accent.
PID_FILE="/tmp/caffeine-inhibit.pid"
OWNED_FLAG="/tmp/presence-inhibit-owned"

if [[ -f "$PID_FILE" ]] && kill -0 "$(cat "$PID_FILE")" 2>/dev/null && [[ -f "$OWNED_FLAG" ]]; then
    echo "true"
else
    echo "false"
fi