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Last active September 7, 2023 08:31
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  1. abernier revised this gist Sep 4, 2023. No changes.
  2. abernier revised this gist Sep 4, 2023. No changes.
  3. abernier revised this gist Sep 4, 2023. 1 changed file with 4 additions and 1 deletion.
    5 changes: 4 additions & 1 deletion README.md
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    Every 60s: toggle dark mode if on battery (save previous value). If back on power, revert to previous value.
    Every 60s: toggle dark mode if on battery (save previous value).
    If back on power, revert to previous value.

    NB: You'll get a notification when changed.

    ## INSTALL

  4. abernier created this gist Sep 4, 2023.
    6 changes: 6 additions & 0 deletions README.md
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    Every 60s: toggle dark mode if on battery (save previous value). If back on power, revert to previous value.

    ## INSTALL

    - `~/toggle_dark_mode.sh` (don't forget to `chmod u+x` it)
    - `~/Library/LaunchAgents/com.user.toggle_dark_mode.plist`
    14 changes: 14 additions & 0 deletions com.user.toggle_dark_mode.plist
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    <?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>
    66 changes: 66 additions & 0 deletions toggle_dark_mode.sh
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    #!/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