Files
mixrs/src/utils.rs
2024-06-29 13:05:03 +02:00

95 lines
2.4 KiB
Rust

use std::process::Command;
use anyhow::{anyhow, Result};
use pulse::{context::introspect::SinkInputInfo, volume};
#[link(name = "c")]
extern "C" {
/// Gets the current user's ID
pub fn getuid() -> u32;
}
const NOTIFY_SEND_REPLACE_ID: u32 = 1448531;
const NOTIFICATION_DURATION_MILLIS: u32 = 1000;
const FULL_VOLUME: u32 = 1 << 16;
pub fn volume_to_percentage(volume: volume::ChannelVolumes) -> u8 {
let average = volume.avg().0;
total_volume_to_percentage(average)
}
pub fn total_volume_to_percentage(volume: u32) -> u8 {
((volume as f32 / FULL_VOLUME as f32) * 100.0).round() as u8
}
pub fn percentage_to_total_volume(percentage: u8) -> u32 {
((FULL_VOLUME as f32 / 100.0) * percentage as f32).round() as u32
}
pub fn get_sink_input_name(sink_input: &SinkInputInfo) -> anyhow::Result<String> {
let Some(name_bytes) = sink_input.proplist.get("application.name") else {
return Err(anyhow!("Invalid sink input name"));
};
Ok(capitalize_string(&String::from_utf8(
name_bytes[..name_bytes.len() - 1].to_vec(),
)?))
}
fn capitalize_string(s: &str) -> String {
let mut c = s.chars();
match c.next() {
None => String::new(),
Some(f) => f.to_uppercase().collect::<String>() + c.as_str(),
}
}
pub fn send_notification(message: &str) -> Result<()> {
let user_id = unsafe { getuid() };
Command::new("notify-send")
.args(vec![
"Mixrs",
message,
"-t",
&NOTIFICATION_DURATION_MILLIS.to_string(),
"-r",
&NOTIFY_SEND_REPLACE_ID.to_string(),
"-i",
"/",
])
.env(
"DBUS_SESSION_BUS_ADDRESS",
format!("unix:path=/run/user/{user_id}/bus"),
)
.spawn()?;
Ok(())
}
pub fn send_notification_with_progress(message: &str, percent: u8) -> Result<()> {
let user_id = unsafe { getuid() };
Command::new("notify-send")
.args(vec![
"Mixrs",
message,
"-t",
&NOTIFICATION_DURATION_MILLIS.to_string(),
"-r",
&NOTIFY_SEND_REPLACE_ID.to_string(),
"-i",
"/",
"-h",
&format!("int:value:{percent}"),
])
.env(
"DBUS_SESSION_BUS_ADDRESS",
format!("unix:path=/run/user/{user_id}/bus"),
)
.spawn()?;
Ok(())
}