use crate::{
DriverCallback, DriverCategory, DriverContext,
types::{Driver, DriverParameter},
};
use anyhow::Result;
use serde_json::{Value, json};
use std::collections::HashMap;
use std::process::Command;
#[derive(Debug)]
pub struct OsScreenOffDriver;
#[async_trait::async_trait]
impl Driver for OsScreenOffDriver {
fn name(&self) -> &str {
"os_screen_off"
}
fn description(&self) -> &str {
"Turn off the display (power saving)"
}
fn usage_hint(&self) -> &str {
"Use this skill to turn off the screen. Moving the mouse or pressing a key will turn it back on."
}
fn parameters(&self) -> Vec<DriverParameter> {
vec![]
}
fn example_call(&self) -> Value {
json!({
"action": "os_screen_off"
})
}
fn example_output(&self) -> String {
"Display turned off".to_string()
}
fn category(&self) -> DriverCategory {
DriverCategory::OperatingSystemBasis
}
async fn execute(
&self,
_parameters: &HashMap<String, Value>,
_callback: Option<&dyn DriverCallback>,
_context: Option<&DriverContext>,
) -> Result<String> {
#[cfg(target_os = "windows")]
{
let _ = Command::new("powershell")
.args([
"-Command",
"(Add-Type -MemberDefinition '[DllImport(\"user32.dll\")] public static extern int SendMessage(int hWnd, int hMsg, int wParam, int lParam);' -Name 'WinAPI' -Namespace WinAPI)::SendMessage(0xffff, 0x0112, 0xF170, 2)"
])
.output();
}
#[cfg(target_os = "linux")]
{
let _ = Command::new("xset")
.args(["dpms", "force", "off"])
.output();
}
#[cfg(target_os = "macos")]
{
let _ = Command::new("pmset")
.args(["displaysleepnow"])
.output();
}
#[cfg(not(any(target_os = "windows", target_os = "linux", target_os = "macos")))]
{
return Err(anyhow::anyhow!("Screen off is not supported on this platform"));
}
Ok("Display turned off".to_string())
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_os_screen_off_metadata() {
let driver = OsScreenOffDriver;
assert_eq!(driver.name(), "os_screen_off");
assert_eq!(driver.category(), DriverCategory::OperatingSystemBasis);
}
}