jay-compositor 1.15.0

The Jay compositor
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use crate::client::Client;
use crate::ifs::wl_surface::WlSurfaceError;
use crate::ifs::wl_surface::x_surface::XSurface;
use crate::leaks::Tracker;
use crate::object::BreakLoops;
use crate::object::Version;
use crate::utils::cell_ext::CellExt;
use crate::wire::XwaylandSurfaceV1Id;
use crate::wire::xwayland_surface_v1::*;
use jay_proc::Object;
use std::rc::Rc;
use thiserror::Error;

#[derive(Object)]
#[break_loops]
pub struct XwaylandSurfaceV1 {
    pub id: XwaylandSurfaceV1Id,
    pub client: Rc<Client>,
    pub x: Rc<XSurface>,
    pub tracker: Tracker<Self>,
    pub version: Version,
}

impl XwaylandSurfaceV1RequestHandler for XwaylandSurfaceV1 {
    type Error = XwaylandSurfaceV1Error;

    fn set_serial(&self, req: SetSerial, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        if self.x.surface.xwayland_serial.is_some() {
            return Err(XwaylandSurfaceV1Error::SerialAlreadySet);
        }
        let serial = req.serial;
        if self.client.last_xwayland_serial.get() >= serial {
            return Err(XwaylandSurfaceV1Error::NonMonotonicSerial);
        }
        self.client.last_xwayland_serial.set(serial);
        self.x.surface.pending.borrow_mut().xwayland_serial = Some(serial);
        Ok(())
    }

    fn destroy(&self, _req: Destroy, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        self.x.xwayland_surface.set(None);
        self.client.remove_obj(self);
        Ok(())
    }
}

impl BreakLoops for XwaylandSurfaceV1 {
    fn break_loops(self: Rc<Self>) {
        self.x.xwayland_surface.set(None);
    }
}

#[derive(Debug, Error)]
pub enum XwaylandSurfaceV1Error {
    #[error("The serial for this surface is already set")]
    SerialAlreadySet,
    #[error("The serial is not larger than the previously used serial")]
    NonMonotonicSerial,
    #[error(transparent)]
    WlSurfaceError(#[from] WlSurfaceError),
}