118 lines
2.6 KiB
Rust
118 lines
2.6 KiB
Rust
use {
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crate::{
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client::{Client, ClientError},
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globals::{Global, GlobalName},
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ifs::wl_shm_pool::{WlShmPool, WlShmPoolError},
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leaks::Tracker,
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object::{Object, Version},
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wire::{WlShmId, wl_shm::*},
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},
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std::rc::Rc,
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thiserror::Error,
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};
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pub struct WlShmGlobal {
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name: GlobalName,
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}
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pub struct WlShm {
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_global: Rc<WlShmGlobal>,
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id: WlShmId,
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client: Rc<Client>,
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version: Version,
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pub tracker: Tracker<Self>,
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}
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impl WlShmGlobal {
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pub fn new(name: GlobalName) -> Self {
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Self { name }
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}
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fn bind_(
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self: Rc<Self>,
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id: WlShmId,
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client: &Rc<Client>,
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version: Version,
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) -> Result<(), WlShmError> {
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let obj = Rc::new(WlShm {
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_global: self,
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id,
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client: client.clone(),
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version,
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tracker: Default::default(),
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});
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track!(client, obj);
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client.add_client_obj(&obj)?;
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if let Some(ctx) = client.state.render_ctx.get() {
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for format in ctx.formats().values() {
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if format.supports_shm {
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client.event(Format {
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self_id: id,
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format: format.format.wl_id.unwrap_or(format.format.drm),
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});
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}
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}
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}
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Ok(())
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}
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}
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impl WlShmRequestHandler for WlShm {
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type Error = WlShmError;
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fn create_pool(&self, create: CreatePool, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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if create.size < 0 {
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return Err(WlShmError::NegativeSize);
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}
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let pool = Rc::new(WlShmPool::new(
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create.id,
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&self.client,
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create.fd,
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create.size as usize,
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self.version,
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)?);
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track!(self.client, pool);
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self.client.add_client_obj(&pool)?;
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Ok(())
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}
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fn release(&self, _req: Release, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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self.client.remove_obj(self)?;
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Ok(())
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}
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}
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global_base!(WlShmGlobal, WlShm, WlShmError);
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impl Global for WlShmGlobal {
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fn singleton(&self) -> bool {
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true
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}
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fn version(&self) -> u32 {
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2
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}
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}
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simple_add_global!(WlShmGlobal);
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object_base! {
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self = WlShm;
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version = self.version;
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}
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impl Object for WlShm {}
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simple_add_obj!(WlShm);
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#[derive(Debug, Error)]
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pub enum WlShmError {
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#[error(transparent)]
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ClientError(Box<ClientError>),
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#[error("The passed size is negative")]
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NegativeSize,
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#[error(transparent)]
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WlShmPoolError(Box<WlShmPoolError>),
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}
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efrom!(WlShmError, ClientError);
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efrom!(WlShmError, WlShmPoolError);
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