118 lines
2.6 KiB
Rust
118 lines
2.6 KiB
Rust
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use crate::client::{Client, ClientError};
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use crate::format::FORMATS;
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use crate::globals::{Global, GlobalName};
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use crate::ifs::wl_shm_pool::{WlShmPool, WlShmPoolError};
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use crate::object::Object;
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use crate::utils::buffd::MsgParser;
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use std::rc::Rc;
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use thiserror::Error;
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use crate::wire::wl_shm::*;
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use crate::utils::buffd::MsgParserError;
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use crate::wire::WlShmId;
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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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}
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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: u32,
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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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});
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client.add_client_obj(&obj)?;
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for format in FORMATS {
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client.event(Format {
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self_id: id,
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format: format.wl_id.unwrap_or(format.drm),
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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 WlShm {
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fn create_pool(&self, parser: MsgParser<'_, '_>) -> Result<(), CreatePoolError> {
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let create: CreatePool = self.client.parse(self, parser)?;
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if create.size < 0 {
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return Err(CreatePoolError::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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)?);
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self.client.add_client_obj(&pool)?;
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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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1
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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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WlShm, WlShmError;
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CREATE_POOL => create_pool,
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}
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impl Object for WlShm {
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fn num_requests(&self) -> u32 {
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CREATE_POOL + 1
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}
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}
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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("Could not process a `create_pool` request")]
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CreatePoolError(#[from] CreatePoolError),
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}
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efrom!(WlShmError, ClientError);
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#[derive(Debug, Error)]
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pub enum CreatePoolError {
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#[error("Parsing failed")]
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ParseError(#[source] Box<MsgParserError>),
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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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#[error(transparent)]
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ClientError(Box<ClientError>),
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}
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efrom!(CreatePoolError, ParseError, MsgParserError);
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efrom!(CreatePoolError, WlShmPoolError);
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efrom!(CreatePoolError, ClientError);
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