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use std::collections::HashMap;
use std::path::PathBuf;
use niri_ipc::PickedColor;
use zbus::fdo::{self, RequestNameFlags};
use zbus::zvariant::OwnedValue;
use zbus::{interface, zvariant};
use super::Start;
pub struct Screenshot {
to_niri: calloop::channel::Sender<ScreenshotToNiri>,
from_niri: async_channel::Receiver<NiriToScreenshot>,
}
pub enum ScreenshotToNiri {
TakeScreenshot { include_cursor: bool },
PickColor(async_channel::Sender<Option<PickedColor>>),
}
pub enum NiriToScreenshot {
ScreenshotResult(Option<PathBuf>),
}
#[interface(name = "org.gnome.Shell.Screenshot")]
impl Screenshot {
async fn screenshot(
&self,
include_cursor: bool,
_flash: bool,
_filename: PathBuf,
) -> fdo::Result<(bool, PathBuf)> {
if let Err(err) = self
.to_niri
.send(ScreenshotToNiri::TakeScreenshot { include_cursor })
{
warn!("error sending message to niri: {err:?}");
return Err(fdo::Error::Failed("internal error".to_owned()));
}
let filename = match self.from_niri.recv().await {
Ok(NiriToScreenshot::ScreenshotResult(Some(filename))) => filename,
Ok(NiriToScreenshot::ScreenshotResult(None)) => {
return Err(fdo::Error::Failed("internal error".to_owned()));
}
Err(err) => {
warn!("error receiving message from niri: {err:?}");
return Err(fdo::Error::Failed("internal error".to_owned()));
}
};
Ok((true, filename))
}
async fn pick_color(&self) -> fdo::Result<HashMap<String, OwnedValue>> {
let (tx, rx) = async_channel::bounded(1);
if let Err(err) = self.to_niri.send(ScreenshotToNiri::PickColor(tx)) {
warn!("error sending pick color message to niri: {err:?}");
return Err(fdo::Error::Failed("internal error".to_owned()));
}
let color = match rx.recv().await {
Ok(Some(color)) => color,
Ok(None) => {
return Err(fdo::Error::Failed("no color picked".to_owned()));
}
Err(err) => {
warn!("error receiving message from niri: {err:?}");
return Err(fdo::Error::Failed("internal error".to_owned()));
}
};
let mut result = HashMap::new();
let [r, g, b] = color.rgb;
result.insert(
"color".to_string(),
zvariant::OwnedValue::try_from(zvariant::Value::from((r, g, b))).unwrap(),
);
Ok(result)
}
}
impl Screenshot {
pub fn new(
to_niri: calloop::channel::Sender<ScreenshotToNiri>,
from_niri: async_channel::Receiver<NiriToScreenshot>,
) -> Self {
Self { to_niri, from_niri }
}
}
impl Start for Screenshot {
fn start(self) -> anyhow::Result<zbus::blocking::Connection> {
let conn = zbus::blocking::Connection::session()?;
let flags = RequestNameFlags::AllowReplacement
| RequestNameFlags::ReplaceExisting
| RequestNameFlags::DoNotQueue;
conn.object_server()
.at("/org/gnome/Shell/Screenshot", self)?;
conn.request_name_with_flags("org.gnome.Shell.Screenshot", flags)?;
Ok(conn)
}
}
|
