Add more hammerspoon helpers

hammerspoon/init.lua

@@ -7,3 +7,22 @@ hs.dockicon.hide()
 local global = require 'global'
 local keepit = require 'keepit'
 local mail = require 'mail'
+
+local sleepwake = require 'sleepwake'
+local wifi = require 'wifi'
+local usb = require 'usb'
+local wifi = require 'wifi'
+
+function reloadConfig(files)
+    doReload = false
+    for _,file in pairs(files) do
+        if file:sub(-4) == ".lua" then
+            doReload = true
+        end
+    end
+    if doReload then
+        hs.reload()
+    end
+end
+homewatcher = hs.pathwatcher.new(os.getenv("HOME") .. "/.hammerspoon/", reloadConfig):start()
+hs.alert.show("Config loaded")

hammerspoon/sleepwake.lua

@@ -0,0 +1,27 @@
+require "string"
+
+local module = {}
+
+function checkBluetoothResult(rc, stderr, stderr)
+    if rc ~= 0 then
+        print(string.format("Unexpected result executing `blueutil`: rc=%d stderr=%s stdout=%s", rc, stderr, stdout))
+    end
+end
+
+function bluetooth(power)
+    print("Setting bluetooth to " .. power)
+    local t = hs.task.new("/usr/local/bin/blueutil", checkBluetoothResult, {"--power", power})
+    t:start()
+end
+
+function f(event)
+    if event == hs.caffeinate.watcher.systemWillSleep then
+        bluetooth("off")
+    elseif event == hs.caffeinate.watcher.screensDidWake then
+        bluetooth("on")
+    end
+end
+
+module.watcher = hs.caffeinate.watcher.new(f)
+module.watcher:start()
+return module

hammerspoon/usb.lua

@@ -0,0 +1,16 @@
+local module = {}
+
+local evtAdd = "added"
+local evtRemove = "removed"
+
+function usbDeviceCallback(data)
+   -- TODO set audio output to the FiiO DAC
+   -- TODO set audio input to the blue snowball
+   pn = data["productName"]
+   evt = data["eventType"]
+end
+
+module.watcher = hs.usb.watcher.new(usbDeviceCallback)
+module.watcher:start()
+
+return module

hammerspoon/wifi.lua

@@ -0,0 +1,23 @@
+local module = {}
+module.watcher = nil
+local homeSSID = "chrowireless"
+local lastSSID = hs.wifi.currentNetwork()
+
+function ssidChangedCallback()
+    newSSID = hs.wifi.currentNetwork()
+
+    if newSSID == homeSSID and lastSSID ~= homeSSID then
+        -- We just joined our home WiFi network
+        hs.audiodevice.defaultOutputDevice():setVolume(25)
+    elseif newSSID ~= homeSSID and lastSSID == homeSSID then
+        -- We just departed our home WiFi network
+        hs.audiodevice.defaultOutputDevice():setVolume(0)
+    end
+
+    lastSSID = newSSID
+end
+
+module.watcher = hs.wifi.watcher.new(ssidChangedCallback)
+module.watcher:start()
+
+return module