abernier · September 7, 2023 08:31 · abernier · Sep 7, 2023
diff --git a/README.md b/README.md
diff --git a/com.user.toggle_dark_mode.plist b/com.user.toggle_dark_mode.plist
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
  <key>Label</key>
  <string>com.user.toggle_dark_mode</string>
  <key>ProgramArguments</key>
  <array>
    <string>/Users/abernier/toggle_dark_mode.sh</string>
  </array>
  <key>StartInterval</key>
  <integer>60</integer>
 </dict>
 </plist>
diff --git a/toggle_dark_mode.sh b/toggle_dark_mode.sh
 #!/bin/bash

 #
 # Toggle dark-mode when on battery. It executes every 60s (see: ~/Library/LaunchAgents/com.user.toggle_dark_mode.plist)
 #
 # see: https://chat.openai.com/share/dd8837b6-de79-4f8b-8e69-ef5eeaa33732
 #

 #!/bin/bash


 # Check if running on battery
 power_source=$(pmset -g ps | grep 'Now drawing from' | awk '{print $4}' | tr -d "'")

 # File to store the original mode (using mktemp)
 original_mode_file="/tmp/original_mode"

 # Check current appearance mode: Dark, Light, or Auto
 is_dark=$(defaults read -g AppleInterfaceStyle 2>/dev/null)
 auto_mode=$(defaults read -g AppleInterfaceStyleSwitchesAutomatically 2>/dev/null)

 # Function to display macOS notifications
 notify() {
    osascript -e "display notification \"$1\" with title \"$(basename $0)\""
 }

 # Switch modes based on power source
 if [ "$power_source" = "Battery" ]; then
  echo "🔋"

  # Save the original mode if not on Dark
  if [ -n "$is_dark" ]; then
    echo "Dark" > "$original_mode_file"
  elif [ -n "$auto_mode" ]; then
    echo "Auto" > "$original_mode_file"
  else
    echo "Light" > "$original_mode_file"
  fi

  # Enable Dark mode
  osascript -e 'tell app "System Events" to tell appearance preferences to set dark mode to true'
  notify "Dark mode enabled to preserve 🔋 (previous: $(cat $original_mode_file))"
 else
  echo "🔌"

  # Revert to the original mode if it was saved
  if [ -f "$original_mode_file" ]; then
    original_mode=$(cat "$original_mode_file")
    case "$original_mode" in
      "Light")
        osascript -e 'tell app "System Events" to tell appearance preferences to set dark mode to false'
        notify "Light mode reverted since you are back on 🔌"
        ;;
      "Dark")
        # Already in Dark Mode, no action needed
        ;;
      "Auto")
        defaults write -g AppleInterfaceStyleSwitchesAutomatically -bool true
        notify "Auto mode reverted since you are back on 🔌"
        ;;
    esac
    
    # Delete the original_mode_file
    rm "$original_mode_file"
  fi
 fi
	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
	<plist version="1.0">
	<dict>
	<key>Label</key>
	<string>com.user.toggle_dark_mode</string>
	<key>ProgramArguments</key>
	<array>
	<string>/Users/abernier/toggle_dark_mode.sh</string>
	</array>
	<key>StartInterval</key>
	<integer>60</integer>
	</dict>
	</plist>
	#!/bin/bash

	#
	# Toggle dark-mode when on battery. It executes every 60s (see: ~/Library/LaunchAgents/com.user.toggle_dark_mode.plist)
	#
	# see: https://chat.openai.com/share/dd8837b6-de79-4f8b-8e69-ef5eeaa33732
	#

	#!/bin/bash


	# Check if running on battery
	power_source=$(pmset -g ps \| grep 'Now drawing from' \| awk '{print $4}' \| tr -d "'")

	# File to store the original mode (using mktemp)
	original_mode_file="/tmp/original_mode"

	# Check current appearance mode: Dark, Light, or Auto
	is_dark=$(defaults read -g AppleInterfaceStyle 2>/dev/null)
	auto_mode=$(defaults read -g AppleInterfaceStyleSwitchesAutomatically 2>/dev/null)

	# Function to display macOS notifications
	notify() {
	osascript -e "display notification \"$1\" with title \"$(basename $0)\""
	}

	# Switch modes based on power source
	if [ "$power_source" = "Battery" ]; then
	echo "🔋"

	# Save the original mode if not on Dark
	if [ -n "$is_dark" ]; then
	echo "Dark" > "$original_mode_file"
	elif [ -n "$auto_mode" ]; then
	echo "Auto" > "$original_mode_file"
	else
	echo "Light" > "$original_mode_file"
	fi

	# Enable Dark mode
	osascript -e 'tell app "System Events" to tell appearance preferences to set dark mode to true'
	notify "Dark mode enabled to preserve 🔋 (previous: $(cat $original_mode_file))"
	else
	echo "🔌"

	# Revert to the original mode if it was saved
	if [ -f "$original_mode_file" ]; then
	original_mode=$(cat "$original_mode_file")
	case "$original_mode" in
	"Light")
	osascript -e 'tell app "System Events" to tell appearance preferences to set dark mode to false'
	notify "Light mode reverted since you are back on 🔌"
	;;
	"Dark")
	# Already in Dark Mode, no action needed
	;;
	"Auto")
	defaults write -g AppleInterfaceStyleSwitchesAutomatically -bool true
	notify "Auto mode reverted since you are back on 🔌"
	;;
	esac

	# Delete the original_mode_file
	rm "$original_mode_file"
	fi
	fi