136 lines
3.8 KiB
Rust
136 lines
3.8 KiB
Rust
use std::mem;
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use crate::client::{Client, ClientError};
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use crate::ifs::wl_seat::WlSeatGlobal;
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use crate::ifs::zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1;
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use crate::object::Object;
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use crate::utils::buffd::{MsgParser, MsgParserError};
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use crate::utils::clonecell::CloneCell;
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use std::ops::Deref;
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use std::rc::Rc;
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use thiserror::Error;
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use crate::wire::zwp_primary_selection_offer_v1::*;
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use crate::wire::ZwpPrimarySelectionOfferV1Id;
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pub struct ZwpPrimarySelectionOfferV1 {
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pub id: ZwpPrimarySelectionOfferV1Id,
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pub client: Rc<Client>,
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pub source: CloneCell<Option<Rc<ZwpPrimarySelectionSourceV1>>>,
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}
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impl ZwpPrimarySelectionOfferV1 {
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pub fn create(
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client: &Rc<Client>,
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src: &Rc<ZwpPrimarySelectionSourceV1>,
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seat: &Rc<WlSeatGlobal>,
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) -> Option<Rc<Self>> {
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let id = match client.new_id() {
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Ok(id) => id,
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Err(e) => {
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client.error(e);
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return None;
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}
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};
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let slf = Rc::new(Self {
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id,
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client: client.clone(),
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source: CloneCell::new(Some(src.clone())),
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});
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let mt = src.mime_types.borrow_mut();
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let mut sent_offer = false;
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seat.for_each_primary_selection_device(0, client.id, |device| {
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if !mem::replace(&mut sent_offer, true) {
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device.send_data_offer(slf.id);
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}
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for mt in mt.deref() {
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slf.send_offer(mt);
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}
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device.send_selection(id);
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});
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client.add_server_obj(&slf);
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if !sent_offer {
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let _ = client.remove_obj(&*slf);
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None
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} else {
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Some(slf)
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}
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}
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pub fn send_offer(self: &Rc<Self>, mime_type: &str) {
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self.client.event(OfferOut {
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self_id: self.id,
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mime_type: mime_type.to_string(),
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})
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}
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fn receive(&self, parser: MsgParser<'_, '_>) -> Result<(), ReceiveError> {
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let req: ReceiveIn = self.client.parse(self, parser)?;
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if let Some(src) = self.source.get() {
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src.send_send(req.mime_type, req.fd);
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src.client.flush();
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}
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Ok(())
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}
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fn disconnect(&self) {
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if let Some(src) = self.source.set(None) {
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src.clear_offer();
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}
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}
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fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), DestroyError> {
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let _req: Destroy = self.client.parse(self, parser)?;
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self.disconnect();
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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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object_base! {
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ZwpPrimarySelectionOfferV1, ZwpPrimarySelectionOfferV1Error;
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RECEIVE => receive,
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DESTROY => destroy,
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}
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impl Object for ZwpPrimarySelectionOfferV1 {
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fn num_requests(&self) -> u32 {
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DESTROY + 1
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}
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fn break_loops(&self) {
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self.disconnect();
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}
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}
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simple_add_obj!(ZwpPrimarySelectionOfferV1);
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#[derive(Debug, Error)]
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pub enum ZwpPrimarySelectionOfferV1Error {
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#[error(transparent)]
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ClientError(Box<ClientError>),
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#[error("Could not process `receive` request")]
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ReceiveError(#[from] ReceiveError),
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#[error("Could not process `destroy` request")]
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DestroyError(#[from] DestroyError),
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}
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efrom!(ZwpPrimarySelectionOfferV1Error, ClientError);
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#[derive(Debug, Error)]
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pub enum ReceiveError {
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#[error("Parsing failed")]
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ParseFailed(#[source] Box<MsgParserError>),
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#[error(transparent)]
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ClientError(Box<ClientError>),
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}
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efrom!(ReceiveError, ParseFailed, MsgParserError);
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efrom!(ReceiveError, ClientError);
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#[derive(Debug, Error)]
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pub enum DestroyError {
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#[error("Parsing failed")]
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ParseFailed(#[source] Box<MsgParserError>),
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#[error(transparent)]
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ClientError(Box<ClientError>),
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}
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efrom!(DestroyError, ParseFailed, MsgParserError);
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efrom!(DestroyError, ClientError);
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