jay-compositor 1.15.0

use crate::client::Client;
use crate::client::LookupError;
use crate::globals::Global;
use crate::globals::GlobalName;
use crate::ifs::wl_surface::WlSurface;
use crate::ifs::zwp_linux_buffer_params_v1::ZwpLinuxBufferParamsV1;
use crate::ifs::zwp_linux_dmabuf_feedback_v1::ZwpLinuxDmabufFeedbackV1;
use crate::leaks::Tracker;
use crate::object::Version;
use crate::state::State;
use crate::wire::ZwpLinuxDmabufFeedbackV1Id;
use crate::wire::ZwpLinuxDmabufV1Id;
use crate::wire::zwp_linux_dmabuf_v1::*;
use jay_proc::Global;
use jay_proc::Object;
use std::convert::Infallible;
use std::rc::Rc;

#[derive(Global)]
pub struct ZwpLinuxDmabufV1Global {
    name: GlobalName,
}

impl ZwpLinuxDmabufV1Global {
    pub fn new(name: GlobalName) -> Self {
        Self { name }
    }

    fn bind_(
        self: Rc<Self>,
        id: ZwpLinuxDmabufV1Id,
        client: &Rc<Client>,
        version: Version,
    ) -> Result<(), Infallible> {
        let obj = Rc::new(ZwpLinuxDmabufV1 {
            id,
            client: client.clone(),
            version,
            tracker: Default::default(),
        });
        track!(client, obj);
        client.add_client_obj(&obj);
        if version < FEEDBACK_SINCE_VERSION
            && let Some(ctx) = client.state.render_ctx.get()
        {
            let formats = ctx.formats();
            for format in formats.values() {
                obj.send_format(format.format.drm);
                if version >= MODIFIERS_SINCE_VERSION {
                    for &modifier in &format.read_modifiers {
                        obj.send_modifier(format.format.drm, modifier);
                    }
                }
            }
        }
        Ok(())
    }
}

const MODIFIERS_SINCE_VERSION: Version = Version(3);
const FEEDBACK_SINCE_VERSION: Version = Version(4);

impl Global for ZwpLinuxDmabufV1Global {
    fn version(&self) -> u32 {
        6
    }

    fn exposed(&self, state: &State) -> bool {
        state.render_ctx_ever_initialized.get()
    }
}

#[derive(Object)]
pub struct ZwpLinuxDmabufV1 {
    id: ZwpLinuxDmabufV1Id,
    pub client: Rc<Client>,
    pub version: Version,
    tracker: Tracker<Self>,
}

impl ZwpLinuxDmabufV1 {
    fn send_format(&self, format: u32) {
        self.client.event(Format {
            self_id: self.id,
            format,
        });
    }

    fn send_modifier(&self, format: u32, modifier: u64) {
        self.client.event(Modifier {
            self_id: self.id,
            format,
            modifier,
        });
    }

    fn get_feedback(&self, id: ZwpLinuxDmabufFeedbackV1Id, surface: Option<&Rc<WlSurface>>) {
        let fb = Rc::new(ZwpLinuxDmabufFeedbackV1::new(
            id,
            &self.client,
            surface,
            self.version,
        ));
        track!(self.client, fb);
        self.client.add_client_obj(&fb);
        let connector = if let Some(surface) = surface {
            surface.dmabuf_feedback.set(id, fb.clone());
            surface.fullscreen.id()
        } else {
            self.client
                .state
                .dmabuf_feedback
                .default
                .set((self.client.id, id), fb.clone());
            None
        };
        if let Some(dfb) = self.client.state.dmabuf_feedback.fb.get() {
            dfb.send(&fb, connector);
        }
    }
}

impl ZwpLinuxDmabufV1RequestHandler for ZwpLinuxDmabufV1 {
    type Error = LookupError;

    fn destroy(&self, _req: Destroy, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        self.client.remove_obj(self);
        Ok(())
    }

    fn create_params(&self, req: CreateParams, slf: &Rc<Self>) -> Result<(), Self::Error> {
        let params = Rc::new(ZwpLinuxBufferParamsV1::new(req.params_id, slf));
        track!(self.client, params);
        self.client.add_client_obj(&params);
        Ok(())
    }

    fn get_default_feedback(
        &self,
        req: GetDefaultFeedback,
        _slf: &Rc<Self>,
    ) -> Result<(), Self::Error> {
        self.get_feedback(req.id, None);
        Ok(())
    }

    fn get_surface_feedback(
        &self,
        req: GetSurfaceFeedback,
        _slf: &Rc<Self>,
    ) -> Result<(), Self::Error> {
        let surface = self.client.lookup(req.surface)?;
        self.get_feedback(req.id, Some(&surface));
        Ok(())
    }
}