From d8049e932d2c6f51b0a728cbf0465d2cb7e9a690 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sun, 13 Nov 2022 16:39:34 -0500
Subject: [PATCH] Add sound to waybar on FreeBSD.

---
 ansible/playbook.yaml                         | 46 +++++++++----------
 ansible/roles/sway/files/style.css            |  1 +
 ansible/roles/sway/files/waybar_config.json   |  8 +++-
 .../sway/files/waybar_sound_freebsd.bash      | 36 +++++++++++++++
 ansible/roles/sway/tasks/freebsd.yaml         |  2 +
 5 files changed, 68 insertions(+), 25 deletions(-)
 create mode 100644 ansible/roles/sway/files/waybar_sound_freebsd.bash

diff --git a/ansible/playbook.yaml b/ansible/playbook.yaml
index 7e25133..716378b 100644
--- a/ansible/playbook.yaml
+++ b/ansible/playbook.yaml
@@ -2,29 +2,29 @@
   vars:
     ansible_become: True
   roles:
-    # - sudo
+    - sudo
     - users
-    # - package_manager
-    # - zrepl
-    # - zsh
-    # - network
-    # - sshd
-    # - base
-    # - firewall
-    # - cpu
-    # - ntp
-    # - build
-    # - graphics
-    # - gpg
-    # - fonts
-    # - alacritty
-    # - sway
-    # - emacs
-    # - firefox
-    # - devfs
-    # - ssh_client
+    - package_manager
+    - zrepl
+    - zsh
+    - network
+    - sshd
+    - base
+    - firewall
+    - cpu
+    - ntp
+    - build
+    - graphics
+    - gpg
+    - fonts
+    - alacritty
+    - sway
+    - emacs
+    - firefox
+    - devfs
+    - ssh_client
     - jail
-    # - fuse
-    # - autofs
-    # - exfat
+    - fuse
+    - autofs
+    - exfat
     - bhyve
diff --git a/ansible/roles/sway/files/style.css b/ansible/roles/sway/files/style.css
index e29394d..b908208 100644
--- a/ansible/roles/sway/files/style.css
+++ b/ansible/roles/sway/files/style.css
@@ -53,6 +53,7 @@
 #custom-available_memory,
 #custom-battery,
 #custom-clock,
+#custom-sound,
 #idle_inhibitor,
 #memory,
 #mode,
diff --git a/ansible/roles/sway/files/waybar_config.json b/ansible/roles/sway/files/waybar_config.json
index be41923..564cf37 100644
--- a/ansible/roles/sway/files/waybar_config.json
+++ b/ansible/roles/sway/files/waybar_config.json
@@ -1,7 +1,7 @@
 {
   // "height": 10, // Waybar height (to be removed for auto height)
   "modules-left": ["sway/workspaces", "sway/mode"],
-  "modules-right": ["custom/available_memory", "custom/battery", "idle_inhibitor", "custom/clock", "tray"],
+  "modules-right": ["custom/sound", "custom/available_memory", "custom/battery", "idle_inhibitor", "custom/clock", "tray"],
   "sway/workspaces": {
     "disable-scroll": true
   },
@@ -33,6 +33,10 @@
     "exec": "waybar_custom_available_memory",
     "return-type": "json",
     "restart-interval": 30
+  },
+  "custom/sound": {
+    "exec": "waybar_custom_sound",
+    "return-type": "json",
+    "restart-interval": 30
   }
-
 }
diff --git a/ansible/roles/sway/files/waybar_sound_freebsd.bash b/ansible/roles/sway/files/waybar_sound_freebsd.bash
new file mode 100644
index 0000000..b9cef40
--- /dev/null
+++ b/ansible/roles/sway/files/waybar_sound_freebsd.bash
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+#
+# Read volume status in FreeBSD
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+SLEEP_INTERVAL=${SLEEP_INTERVAL:-30}
+
+while true; do
+    current_vol_mixer=$(mixer -S vol)
+    vol_left=$(cut -d ':' -f 2 <<<"$current_vol_mixer")
+    vol_right=$(cut -d ':' -f 3 <<<"$current_vol_mixer")
+    avg_vol=$(((vol_left + vol_right) / 2))
+    tooltip="<tt>$(mixer)</tt>"
+    class=""
+    icon=""
+
+    if [ $avg_vol -eq 0 ]; then
+        icon="🔇"
+    elif [ $avg_vol -le 50 ]; then
+        icon="🔉"
+    else
+        icon="🔊"
+    fi
+
+    jq --unbuffered --compact-output <<EOF
+{
+"text":"${avg_vol}% ${icon}",
+"tooltip":"${tooltip//$'\n'/\\n}",
+"percentage":${avg_vol},
+"class":"${class}"
+}
+EOF
+    sleep $SLEEP_INTERVAL
+done
diff --git a/ansible/roles/sway/tasks/freebsd.yaml b/ansible/roles/sway/tasks/freebsd.yaml
index c8cbcca..994d9ba 100644
--- a/ansible/roles/sway/tasks/freebsd.yaml
+++ b/ansible/roles/sway/tasks/freebsd.yaml
@@ -51,3 +51,5 @@
       dest: /usr/local/bin/waybar_custom_battery
     - src: waybar_available_memory_freebsd.bash
       dest: /usr/local/bin/waybar_custom_available_memory
+    - src: waybar_sound_freebsd.bash
+      dest: /usr/local/bin/waybar_custom_sound