Autolock option for screen lock. Requires xprintidle to work.

2026-05-14 16:10:03 -04:00
parent 695e046d75
commit 45eb3ae4fc
4 changed files with 187 additions and 1 deletions
@@ -0,0 +1,112 @@
+#!/usr/bin/env bash
+
+# This file is part of I38.
+
+# I38 is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
+
+# I38 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+# PURPOSE. See the GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License along with I38. If not, see <https://www.gnu.org/licenses/>.
+
+autolockSeconds="${1:-0}"
+scriptPath="$(readlink -f "$0")"
+scriptDir="${scriptPath%/*}"
+runtimeDir="${XDG_RUNTIME_DIR:-/tmp}"
+lockDir="${runtimeDir}/i38-screenlock-autolock"
+pollSeconds=5
+
+notify_autolock_disabled() {
+    local message="$1"
+
+    if command -v notify-send &> /dev/null; then
+        notify-send "I38 autolock disabled" "$message"
+    fi
+}
+
+video_is_playing() {
+    local playerStatus playerUrl
+
+    if ! command -v playerctl &> /dev/null; then
+        return 1
+    fi
+
+    while IFS='|' read -r _ playerStatus playerUrl; do
+        if [[ "$playerStatus" != "Playing" ]]; then
+            continue
+        fi
+
+        if [[ "$playerUrl" =~ \.(avi|flv|m4v|mkv|mov|mp4|mpeg|mpg|ogm|ogv|webm|wmv)(\?.*)?$ ]]; then
+            return 0
+        fi
+    done < <(playerctl -a metadata --format '{{playerName}}|{{status}}|{{xesam:url}}' 2> /dev/null || true)
+
+    return 1
+}
+
+focused_window_is_fullscreen() {
+    if ! command -v i3-msg &> /dev/null || ! command -v jq &> /dev/null; then
+        return 1
+    fi
+
+    i3-msg -t get_tree \
+        | jq -e 'any(.. | objects; (.focused? == true) and ((.fullscreen_mode? // 0) != 0))' \
+        &> /dev/null
+}
+
+screenlock_is_running() {
+    pgrep -f "${scriptDir}/screenlock.sh" &> /dev/null
+}
+
+cleanup() {
+    rm -rf "$lockDir"
+}
+
+stop_autolock() {
+    cleanup
+    exit 0
+}
+
+if [[ ! "$autolockSeconds" =~ ^[0-9]+$ ]] || [[ "$autolockSeconds" -le 0 ]]; then
+    exit 0
+fi
+
+if [[ -z "${DISPLAY:-}" ]]; then
+    notify_autolock_disabled "No X display was found."
+    exit 0
+fi
+
+if ! command -v xprintidle &> /dev/null; then
+    notify_autolock_disabled "Install xprintidle to use screen lock autolock."
+    exit 0
+fi
+
+if [[ -d "$lockDir" ]]; then
+    if [[ -f "${lockDir}/pid" ]]; then
+        read -r existingPid < "${lockDir}/pid"
+        if [[ "$existingPid" =~ ^[0-9]+$ ]] && kill -0 "$existingPid" 2> /dev/null; then
+            exit 0
+        fi
+    fi
+    rm -rf "$lockDir"
+fi
+
+if ! mkdir "$lockDir" 2> /dev/null; then
+    exit 0
+fi
+printf "%s\n" "$$" > "${lockDir}/pid"
+trap cleanup EXIT
+trap stop_autolock INT TERM
+
+while : ; do
+    idleMilliseconds="$(xprintidle 2> /dev/null || echo 0)"
+    if [[ "$idleMilliseconds" =~ ^[0-9]+$ ]] && [[ "$idleMilliseconds" -ge $((autolockSeconds * 1000)) ]]; then
+        if ! screenlock_is_running && ! video_is_playing && ! focused_window_is_fullscreen; then
+            "${scriptDir}/screenlock.sh"
+            sleep "$pollSeconds"
+        fi
+    fi
+
+    sleep "$pollSeconds"
+done