activation of screenserver for eralitex

tasks/main.yaml

@@ -14,6 +14,10 @@
       - xscreensaver-gl
       - python3
       - mate-power-manager
+      - xautolock
+      - xss-lock
+      - xbacklight
+      - i3lock
 
 - name: gdmflexiserver dummy script
   copy:
@@ -29,6 +33,18 @@
     dest: /usr/local/bin/mate-screensaver-helper-inhibition
     mode: 0755
 
+- name: screensaver settings script
+  template:
+    src: screensaver-settings.sh.j2
+    dest: /usr/local/bin/screensaver-settings
+    mode: 0755
+
+- name: screensaver start script
+  template:
+    src: screensaver-start.sh.j2
+    dest: /usr/local/bin/screensaver-start
+    mode: 0755
+
 - import_role:
     name: dconf-lock
   vars:

templates/screensaver-settings.sh.j2

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# https://www.reddit.com/r/i3wm/comments/6gznzp/lock_screensaver_and_power_saving_how_to_trigger/
+
+xset s on
+xset +dpms
+
+# xset s <n1> <n2>
+# n1: is the time it takes to launch the first signal that the screen will be
+# shutdown. Here we generally dim the screen a bit.
+# n2: is the time after n1 that we launch the second signal.
+# Here we lock the screen.
+# With n1 = 60 and n2 = 30 the screen will be dimmed 60 seconds after the last
+# time pc was not idle and 30 seconds later (90 seconds from last non-idle
+# state) the screen will be locked.
+xset s {{ screensaver_sleeptime | int * 60 }} {{ screensaver_locktime | int * 60 }}
+
+# xset dpms <n>
+# n: is the time from last non-idle state after which the screen will be shutdown.
+xset dpms {{ screensaver_sleeptime | int * 60 }}

templates/screensaver-start.sh.j2

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+/usr/local/bin/screensaver-settings
+
+#exec xss-lock -- i3lock -c ff00ff
+xss-lock -- mate-screensaver-command -l &
+
+exec mate-screensaver