From d032ee43893eb04ec752354167bd262cf8430b5b Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Tue, 16 Nov 2021 08:58:21 +0100
Subject: mpv: add a script for disabling xscreensaver during video playback

---
 desktop.conf.yaml    |  2 ++
 mpv/xscreensaver.lua | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 mpv/xscreensaver.lua

diff --git a/desktop.conf.yaml b/desktop.conf.yaml
index 292e8c6..e7242c2 100644
--- a/desktop.conf.yaml
+++ b/desktop.conf.yaml
@@ -1,9 +1,11 @@
 - create:
     - ~/.config/mpv
+    - ~/.config/mpv/scripts
     - ~/.urxvt/ext
 
 - link:
     ~/.config/mpv/config: dotfiles/mpv
+    ~/.config/mpv/scripts/xscreensaver.lua: mpv/xscreensaver.lua
     ~/.local/bin/brightness_monitor:  bin/brightness_monitor
     ~/.local/bin/randr_output_toggle: bin/randr_output_toggle
     ~/.local/bin/ssh_sk_clean:  bin/ssh_sk_clean
diff --git a/mpv/xscreensaver.lua b/mpv/xscreensaver.lua
new file mode 100644
index 0000000..4fbb41c
--- /dev/null
+++ b/mpv/xscreensaver.lua
@@ -0,0 +1,24 @@
+-- this script periodically deactivates xscreensaver
+-- when video playback is active
+
+local function heartbeat()
+    if mp.get_property_native("pause") or
+       mp.get_property_native("idle")  or
+       not mp.get_property_native("vo-configured") then
+        return
+    end
+
+    mp.command_native_async(
+        {
+          name           = "subprocess",
+          args           = { "xscreensaver-command", "-deactivate" },
+          capture_stdout = true,
+        },
+        function () end)
+end
+
+mp.add_periodic_timer(60, heartbeat)
+
+for _, prop in ipairs({"pause", "idle", "vo-configured"}) do
+    mp.observe_property(prop, nil, heartbeat)
+end
-- 
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